CN104100647A - Compact-structure shaft coupling and assembly process - Google Patents
Compact-structure shaft coupling and assembly process Download PDFInfo
- Publication number
- CN104100647A CN104100647A CN201410363393.2A CN201410363393A CN104100647A CN 104100647 A CN104100647 A CN 104100647A CN 201410363393 A CN201410363393 A CN 201410363393A CN 104100647 A CN104100647 A CN 104100647A
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- bearing
- end cap
- fixing part
- bearing housing
- compact type
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Abstract
The invention discloses a compact-structure shaft coupling and an assembly process, and aims to provide a shaft coupling, which is simple in structure, is convenient to process and is high in finished product accuracy. The compact-structure shaft coupling comprises a spline shaft; an upper bearing and a lower bearing are assembled on the periphery of the spline shaft; the peripheries of the upper and lower bearings are sleeved with bearing sleeves; one end of each bearing sleeve is provided with a first fixed portion connected with an upper end sealing mechanism, and the other end of each bearing sleeve is provided with a second fixed portion connected with a lower end sealing mechanism; the first fixed portions, the second fixed portions and the bearing sleeves are integrally molded. The compact-structure shaft coupling belongs to the technical field of design of mechanical transmission parts.
Description
Technical field
The present invention relates to a kind of coupling, specifically, related to a kind of compact type coupling, the invention still further relates to the assembly technology of this coupling, belonged to mechanical transmission part design field.
Background technique
Coupling is widely used in the transmission field such as machinery, hydraulic pressure, be mainly used in being connected between axle and axle, generally speaking, due to the reason such as working machine tool and manufacture cost, the manufacturing dimension of axle is unsuitable long, therefore, in the process of the motion of transmission rotation, sometimes need at least two axles, coupling is exactly for being connected of axle and axle, and has good transferring rotational motion performance.
Coupling in the market; in order to protect transmission shaft not frayed; be convenient to installation, maintenance; periphery is installed axle sleeve conventionally; then bearing is installed on axle sleeve, in order to keep the relative position of bearing on axle or in hole, and is prevented that dust from falling in raceway; at bearing housing both sides difference mounting plate, finally install respectively end cap and lower end cap in fixed plate both sides.
Because coupling all parts needs first to process respectively, then combining, to install, cost of production is higher, and assembling is complicated, needs to consume larger human and material resources.
Prior art is compared, and compact type coupling provided by the invention has following technological merit:
1) bearing housing of coupling provided by the invention and fixed plate are one-body molded, the processing mode that this structure is being combined after compared to existing technology bearing housing and both sides being processed separately for the fixed plate of fixing end cap, both convenient processing, save human and material resources, improve manufacturing efficiency, and one-body molded to have avoided respectively processing be the error of bringing, greatly improve the validity of product, extend the life-span of product;
2) coupling provided by the invention passes through principle of expanding with heat and contracting with cold, after outer mechanism (as above, lower bearing) being expanded by the method formula of heating, reinstall internal mechanism (as splined shaft), so both convenient installations, make again the product socket after installing more tight, stability is better;
3) coupling provided by the invention adopts the technique that sealing mechanism is installed along bearing housing two ends, the assembly technology of having avoided starting from splined shaft one end in prior art installing successively all parts occurs that the validity of assembling is low, the problem that installation time is long, the validity that has improved product, has shortened installation time.
Summary of the invention
For above-mentioned deficiency, it is a kind of simple in structure that previous object of the present invention is to provide, and is convenient to processing, the compact type coupling that finished product validity is high; A further object of the invention is to provide the assembly technology of this coupling.
For this reason, previous technological scheme provided by the invention is such: this compact type coupling, comprise splined shaft, described splined shaft periphery is equipped with upper bearing (metal) and lower bearing, the periphery of upper and lower bearing is socketed with bearing housing jointly, and one end of described bearing housing is provided with the first fixing part being connected with upper end sealing mechanism; The other end of bearing housing is provided with the second fixing part being connected with lower end sealing mechanism, and described the first fixing part, the second fixing part and bearing housing are one-time formed integral structure.
Above-mentioned compact type coupling, the middle part of described bearing housing is provided with the tabular main body of rectangular, it is close to upper bearing (metal), between described plate-like body and the second fixing part, be provided with and the integrated reinforcement gusset of bearing housing, strengthen gusset along the long medial axis direction of the tabular main body of rectangular, be arranged in pairs the both sides of the second fixing part.
Further, above-mentioned compact type coupling, the first fixing part of described bearing housing and the second fixing part are arranged in respectively the both sides of described plate-like body between two parties.
Further, above-mentioned compact type coupling, the first fixing part and the second fixing part respectively ringwise, and with splined shaft arranged concentric.
Further, above-mentioned compact type coupling, described upper end sealing mechanism comprises upper end cap, is located at the first oil sealing in upper end cap, the upper end cap sleeve being connected with upper end cap, between upper end cap and upper end cap sleeve, adopts interference fit.
Further, above-mentioned compact type coupling, described lower end sealing mechanism comprises lower end cap and is located at the second oil sealing in lower end cap.
Further, above-mentioned compact type coupling, the outer end of described upper end cap sleeve is equipped with automobile bearing separator, and the outer end of automobile bearing separator connects automobile bearing.
Install for convenient, the present invention also provides the assembly technology of this compact type coupling, and this technique comprises the steps: successively
1) upper bearing (metal) and lower bearing being put into food tray is heated to, after 100-120 DEG C, be inserted in and be arranged on splined shaft respectively from the two ends of splined shaft;
2) bearing housing is put into food tray heating, and packed into upper end cap and the first oil sealing in the outer end of upper bearing (metal);
3) bearing housing is put into food tray and is heated to after 100-120 DEG C, take out bearing housing and be sleeved on upper bearing (metal) and lower bearing on; And upper end cap is fixed on to one end of bearing housing.
4) pack the second oil sealing and lower end cap in the outer end of lower bearing, and lower end cap is fixed on to the other end of bearing housing;
5) install end cap sleeve, the positioned edge on positioning boss and upper end cap on upper end cap sleeve coordinates location;
6) again at upper end cap sleeve along automobile separator and automobile bearing are installed on axial direction successively.
Brief description of the drawings
Fig. 1 is the structural representation of compact type coupling provided by the invention;
Fig. 2 is the axial sectional view of Fig. 1;
Fig. 3 is the structural representation of Fig. 1 centre bearer bush upper-end surface;
Fig. 4 is the structural representation of Fig. 1 centre bearer bush lower end surface;
Fig. 5 is the compact type coupler component part exploded view that invention provides;
Wherein: splined shaft 1, bearing housing 2, upper end cap sleeve 3, upper end cap 4, carbine 5, automobile bearing separator 6, automobile bearing 7, upper bearing (metal) 81, lower bearing 82, lower end cap 9, key 10, the first oil sealing 11, the second oil sealing 12, the first spring washers 13, the second spring washer 14, the first bolt 15, the second bolts 16, hex head bolt 17, the first fixing part 18, the second fixing parts 19.
Embodiment
In order better to understand, implement claim of the present invention, below in conjunction with specific embodiments and the drawings, claim of the present invention is described in further detail.
Embodiment 1
A kind of compact type coupling provided by the invention, consult Fig. 1 to Fig. 5, comprise that one runs through and the splined shaft 1 of whole coupling, described splined shaft 1 periphery is equipped with upper bearing (metal) 81 and lower bearing 82, the periphery of upper and lower bearing 81,82 is socketed with bearing housing 2 jointly, and one end of bearing housing 2 is provided with the first fixing part 18 being connected with upper end sealing mechanism; The other end of bearing housing 2 is provided with the second fixing part 19 being connected with lower end sealing mechanism, and described the first fixing part 18, the second fixing part 19 are one-time formed integral structure with bearing housing 2.
Specifically, the middle part of bearing housing 2 is provided with the tabular main body of rectangular that is close to upper bearing (metal) 81, and the first fixing part 18 and the second fixing part 19 are arranged in respectively the both sides of described plate-like body between two parties, are annular, and with splined shaft 1 arranged concentric.
Referring to Fig. 4, between the tabular main body of rectangular and the second fixing part 19, be provided with and the integrated reinforcement gusset of bearing housing 2.The tabular main body minor face of rectangular is greater than the diameter of the first fixing part 18 and the second fixing part 19, strengthen gusset along the long medial axis direction of the tabular main body of rectangular, be arranged in pairs the both sides of the second fixing part 19.The effect of this reinforcement gusset is the intensity that increases bearing housing 2, make its center of gravity more stable, thereby the assembly relation between each parts is more stable simultaneously, improves functional reliability.
Described upper end sealing mechanism comprise be fixed on the first fixing part 18 ring ends upper end cap 4, be located at the first oil sealing 11 in upper end cap 4, the upper end cap sleeve 3 being connected with upper end cap 4.
Be specially: between described upper end cap sleeve 3 and upper end cap 4, the logical interference fit plug-in mounting that adopts is fixed, be specially: the pilot hole place of upper end cap 4 is provided with a circle positioned edge that is outwards 90 degree turnovers, accordingly, the outer wall of upper end cap sleeve 3 is provided with the circle positioning boss 31 matching with this positioned edge, and this boss coordinates location for upper end cap sleeve 3 and upper end cap 4 positioned edges.
Upper end cap 4 inwalls are also provided with the positioned edge for the first oil sealing 11 is located, the step surface location and installation that the first oil sealing 11 is provided with by upper end cap 4 inside, and, between the first oil sealing 11 and upper bearing (metal) 81, leave respectively gap between the first oil sealing 11 and upper end cap sleeve 3, between this gap peventing member, be in contact with one another and cause wearing and tearing, and leave enough deformation spaces.
The outer end of upper end cap sleeve 3 is equipped with automobile bearing separator 6, and the outer end of automobile bearing separator 6 connects automobile bearing 7.
Also be equipped with carbine 5 at upper end cap 4, carbine 5 is for ganging up with in automobile bearing separator 6 and automobile bearing 7, and in the time that supporting trip(ping) lever unclamps, automobile bearing separator 6 and automobile bearing 7 provide power to automatically reset by spring on upper end cap sleeve 3.
Described lower end sealing mechanism comprises and is fixed on the lower end cap 9 of the second fixing part 19 ring ends and is located at the second oil sealing 12 in lower end cap 9.
Be specially, in lower end cap 9, be provided with the mounting groove of the second oil sealing 12, and the inner side of the second oil sealing 12 is directly positioned at lower bearing 82 exterior edge faces.And, the hex head bolt 17 of seal shaft bearing sleeve 2 interior oil is installed at the second fixing part 19.
Preferably, described splined shaft 1 is provided with the upper installation screens 1a adapting with upper bearing (metal) 81, and the lower installation screens 1b adapting with lower bearing 82, between two installation screens, form a boss-shaped turning surface, upper bearing (metal) 81 and lower bearing 82 clamp respectively above-mentioned two screens place that are assemblied in these boss-shaped turning surface both sides.Wherein, the preferably upper zanjon ball bearing of upper bearing (metal) 81, the preferably lower zanjon ball bearing of lower bearing 82.When assembling, two bearings are joined from the enterprising luggage of left and right both direction of axle respectively, and the requirement to concentricity while having reduced assembling, is convenient to the installation of bearing.
More detailed, upper end cap 4 is extended with towards the inner side of bearing the portion of topping bar, the smooth face of upper end cap 4 among the inner side of bearing is not prior art, bearing housing 2 coordinates with the portion of the topping bar location of upper end cap 4 by this first fixing part 18, between upper end cap 4 and the first fixing part 18, be fixedly connected with by the first bolt 15, the preferred countersunk screw of the first bolt 15, is also provided with between the bolt mounting holes on the first bolt 15 and upper end cap 4 and prevents bolt looseness the first spring washer 13.Lower end cap 9 extends the promising portion of getting out of a predicament or an embarrassing situation towards the inner side of bearing, the smooth face of upper end cap 4 among the inner side of bearing is not prior art, bearing housing 2 coordinates with the portion of the getting out of a predicament or an embarrassing situation location of lower end cap 9 by the second fixing part 19, lower end cap 9 is fixedly connected with by the second bolt 16 with the second fixing part 19, between the second bolt 16 and the bolt mounting holes of lower end cap 9, is also provided with the second spring washer 14.
In order being connected with external impetus, to be also equipped with and to be connected powered attendant-controlled wheelchairs key 10 at splined shaft 1 right-hand member.
Bearing housing and the fixing part of above-mentioned coupling are one-body molded, and both convenient processing, saves human and material resources, has improved manufacturing efficiency, and one-body molded to have avoided processing be respectively the error of bringing, and have greatly improved the validity of product, have extended the life-span of the product of producing.
For better this coupling convenient for assembly, provide the assembly technology of this coupling below, this technique comprises the steps: successively
1) upper bearing (metal) 81 and lower bearing 82 are put into food tray and be heated to after 100-120 DEG C, be inserted in and be arranged on respectively upper installation screens 1a and the lower peace screens 1b of splined shaft 1 from the two ends of splined shaft 1;
2) bearing housing 2 is put into food tray heating, and packed into upper end cap 4 and the first oil sealing 11 in the outer end of upper bearing (metal) 81;
3) bearing housing 2 is put into food tray and is heated to after 100-120 DEG C, take out bearing housing 2 and be sleeved on upper bearing (metal) 81 and lower bearing 82 on; And upper end cap 4 is fixed on to one end of bearing housing 2.
4) pack the second oil sealing 12 and lower end cap 9 in the outer end of lower bearing 82, and lower end cap 9 is fixed on to the other end of bearing housing 2;
5) install end cap sleeve 3, the positioned edge on positioning boss 31 and upper end cap 4 on upper end cap sleeve 3 coordinates location;
6) again at upper end cap sleeve 3 along automobile separator 6 and automobile bearing 7 are installed on axial direction successively.
Above-mentioned assembly technology is convenient, and the product socket after installation is more tight, and stability is better, and has shortened installation time.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various amendments to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the design of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (8)
1. a compact type coupling, comprise splined shaft (1), it is characterized in that, described splined shaft (1) periphery is equipped with upper bearing (metal) (81) and lower bearing (82), the periphery of upper and lower bearing (81,82) is socketed with bearing housing (2) jointly, and one end of described bearing housing (2) is provided with the first fixing part (18) being connected with upper end sealing mechanism; The other end of bearing housing (2) is provided with the second fixing part (19) being connected with lower end sealing mechanism, and described the first fixing part (18), the second fixing part (19) are one-time formed integral structure with bearing housing (2).
2. compact type coupling according to claim 1, it is characterized in that, the middle part of described bearing housing (2) is provided with the tabular main body of rectangular, it is close to upper bearing (metal) (81), between described plate-like body and the second fixing part (19), be provided with and the integrated reinforcement gusset of bearing housing (2), strengthen gusset along the long medial axis direction of the tabular main body of rectangular, be arranged in pairs the both sides of the second fixing part (19).
3. compact type coupling according to claim 2, is characterized in that, first fixing part (18) of described bearing housing (2) and the second fixing part (19) are arranged in respectively the both sides of described plate-like body between two parties.
4. compact type coupling according to claim 3, is characterized in that, the first fixing part (18) and the second fixing part (19) respectively ringwise, and with splined shaft (1) arranged concentric.
5. compact type coupling according to claim 1, it is characterized in that, described upper end sealing mechanism comprises upper end cap (4), is located at the first oil sealing (11) in upper end cap (4), the upper end cap sleeve (3) being connected with upper end cap (4), between upper end cap (4) and upper end cap sleeve (3), adopts interference fit.
6. compact type coupling according to claim 5, is characterized in that, described lower end sealing mechanism comprises lower end cap (9) and is located at the second oil sealing (12) in lower end cap (9).
7. according to the compact type coupling described in claim 5 or 6, it is characterized in that, the outer end of described upper end cap sleeve (3) is equipped with automobile bearing separator (6), and the outer end of automobile bearing separator (6) connects automobile bearing (7).
8. the assembly technology of compact type coupling claimed in claim 1, is characterized in that, comprises the steps: successively
1) upper bearing (metal) (81) and lower bearing (82) are put into food tray and be heated to after 100-120 DEG C, be inserted in and be arranged on splined shaft (1) from the two ends of splined shaft (1) respectively;
2) bearing housing (2) is put into food tray heating, and packed into upper end cap (4) and the first oil sealing (11) in the outer end of upper bearing (metal) (81);
3) bearing housing (2) is put into food tray and is heated to after 100-120 DEG C, take out bearing housing (2) and be sleeved on upper bearing (metal) (81) and lower bearing (82) on; And upper end cap (4) is fixed on to one end of bearing housing (2).
4) pack the second oil sealing (12) and lower end cap (9) in the outer end of lower bearing (82), and lower end cap (9) is fixed on to the other end of bearing housing (2);
5) install end cap sleeve (3), the positioned edge on positioning boss (31) and upper end cap (4) on upper end cap sleeve (3) coordinates location;
6) again at upper end cap sleeve (3) along automobile separator (6) and automobile bearing (7) are installed on axial direction successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363393.2A CN104100647A (en) | 2014-07-28 | 2014-07-28 | Compact-structure shaft coupling and assembly process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363393.2A CN104100647A (en) | 2014-07-28 | 2014-07-28 | Compact-structure shaft coupling and assembly process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104100647A true CN104100647A (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363393.2A Pending CN104100647A (en) | 2014-07-28 | 2014-07-28 | Compact-structure shaft coupling and assembly process |
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| CN (1) | CN104100647A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104439894A (en) * | 2014-12-10 | 2015-03-25 | 镇江市远程传动机械有限责任公司 | Method for mounting hydraulic coupler |
| CN106712398A (en) * | 2016-12-25 | 2017-05-24 | 重庆市爱华机电有限公司双福分公司 | Motor bearing press mounting equipment |
| CN114012382A (en) * | 2021-11-11 | 2022-02-08 | 哈尔滨电机厂有限责任公司 | Wedge key step repair process method for rotor coupling of steam turbine generator |
| CN117145881A (en) * | 2023-10-27 | 2023-12-01 | 山东盛祥智能制造有限公司 | Assembling process of high-torque elastic damping reed coupler |
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| CN2777275Y (en) * | 2005-03-10 | 2006-05-03 | 三一重工股份有限公司 | Clutch transmission device for engineering machinery |
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| CN104439894A (en) * | 2014-12-10 | 2015-03-25 | 镇江市远程传动机械有限责任公司 | Method for mounting hydraulic coupler |
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| CN114012382A (en) * | 2021-11-11 | 2022-02-08 | 哈尔滨电机厂有限责任公司 | Wedge key step repair process method for rotor coupling of steam turbine generator |
| CN114012382B (en) * | 2021-11-11 | 2024-02-13 | 哈尔滨电机厂有限责任公司 | Technological method for repairing wedge-shaped key steps of rotor coupler of steam turbine generator |
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Application publication date: 20141015 |