CN102589879B - Torsional moment adjustable inner helical gear hydraulic loading device - Google Patents
Torsional moment adjustable inner helical gear hydraulic loading device Download PDFInfo
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- CN102589879B CN102589879B CN201210067865.0A CN201210067865A CN102589879B CN 102589879 B CN102589879 B CN 102589879B CN 201210067865 A CN201210067865 A CN 201210067865A CN 102589879 B CN102589879 B CN 102589879B
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- end cap
- helical gear
- face
- rolling bearing
- ring seal
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Abstract
The invention relates to a torsional moment adjustable inner helical gear hydraulic loading device, which is characterized in that a rolling bearing mechanism is arranged between a piston central hole and a middle shaft and is composed of bolts, a third end cap, a second sealing ring and a second rolling bearing, two outer helical gears are symmetrically connected at two ends of the middle shaft; a driving shaft is composed of inner gears, a bearing block, a first rolling bearing, screws, round nuts, a second end cap, a first end cap, a first sealing ring, the second sealing ring and the bolts. The torsional moment adjustable inner helical gear hydraulic loading device is reasonable in design, compact in structure, high in supporting stiffness, capable of keeping loading moment stable and unchanged in a long-term operation, easy to manufacture, high in accuracy, reliable in loading, good in sealing performance, small in noises and convenient to measure loading; the torsional moment adjustable inner helical gear hydraulic loading device is capable of achieving starting under no-load and changing the loading moment in operation and has the advantages of being easy to assemble, disassemble and maintain, long in service life and convenient to operate and the like.
Description
Technical field
The invention belongs to gear experimental bench device, be particularly applicable to a kind of torsional moment adjustable inner helical gear hydraulic loading of mechanical power closed gear test stand.
Background technology
Mechanical close gear test stand generally adopts the charger of three kinds of forms such as mechanical type, fluid pressure type and pneumatic type at present.Although wherein pneumatic type charger is easy to operate, the angle that it can reverse is very little, and needs the compressed air supply system of a set of maintenance constant voltage, therefore apply at present less.Hydraulic loading device can on-streamly load or adjust load easily, can obtain very large loading moment, therefore application is more general at present simultaneously; In hydraulic loading device, there are vane type and interior oblique tooth type two classes, but do not find the device similar with the present invention by the data of oblique tooth type hydraulic loading device inside the Pass consulting mutually.
Summary of the invention
The invention provides a kind of torsional moment adjustable inner helical gear hydraulic loading; This interior helical teeth hydraulic loading device is reasonable in design, compact conformation, and its support stiffness is high, can in long-term operation, keep loading moment to stablize constant, is convenient to processing and manufacturing, and precision is high, loads reliably, good airproof performance, noise is little, is convenient to load measurement; Can realize starting under no load, and the size of the on-stream change loading moment of energy; Have and be convenient to mounting or dismounting, maintenance, the life-span is long, and the advantages such as very convenient are used in operation.
The present invention adopts following technical scheme to realize: helical teeth hydraulic loading device in described adjustable torque formula, comprise compressing cylinder, piston, outer oblique gear, internal helical gear, intermediate shaft and left and right transmission shaft, it is characterized in that: between piston center hole and intermediate shaft, installing is by first bolt, the third end cap, the rolling bearing mechanism that second O-ring seal and second rolling bearing form, two second rolling bearings of the symmetrical installing in countershaft middle part shaft part both sides therein, in the both ends of the surface of its piston, by first bolt, connect respectively two the third end caps, in the surface of contact of the third end cap between each third end cap and intermediate shaft, install the second O-ring seal that quantity is at least two, in the two axial ends of intermediate shaft, by two outer oblique gears of the symmetrical connection of affixed mode, be connected on two transmission shafts by screw with the internal helical gear of two outer oblique gears engagements, each described transmission shaft is comprised of internal helical gear, bearing seat, first rolling bearing, the little round nut of first, first end cap, screw, first O-ring seal, second end cap, second O-ring seal, first bolt and the third bolt, on the transmission shafts hole end surface matching with position, shape and the size of its outer oblique gear, by screw, fix the internal helical gear being meshed with outer oblique gear, in its hydraulic jack port, by second bolt, bearing seat is fixed on the end face of hydraulic jack, two first rolling bearings of symmetrical installing on transmission shaft shaft part between its transmission shaft and bearing seat, on the cylinder inner face of described bearing seat, by the third bolt, connect second end cap, on the cylinder outer face of its bearing seat, by first bolt, connect first end cap, in the second end cap face between its second end cap and transmission shaft, installing quantity is at least the second O-ring seal of two, installing first O-ring seal in first end cap face between its first end cap and transmission shaft, the inner ring end face of described one side first rolling bearing touches mutually with the transmission shaft shaft shoulder, and the inner ring end face of its opposite side first rolling bearing touches mutually with the first roundlet nut being threaded on transmission shaft.
Principle of the present invention, operation and feature are described below:
Under the effect of hydraulic oil, oil cylinder piston produces thrust, intermediate shaft is moved reciprocatingly, thereby force the left and right transmission shaft relative torsion being connected in closed system, realizes blocking test platform is loaded
The present invention only has intermediate shaft, Left Drive axle and the rotation of right transmission shaft, and other parts are all motionless, thereby smooth running, long service life.
The present invention is by adopting a pair of basic parameter identical, and the internal helical gear that rotation direction is contrary makes when loading moment one timing, and the required axially movable distance of intermediate propeller shaft reduces, and adds the rational structural design of the present invention, makes the structure of charger compacter.
Intermediate shaft of the present invention is by adopting rolling bearing mechanism, and the rational structural design of left and right transmission shaft, makes the support stiffness of system very high.
The affixed mode of intermediate propeller shaft two axial ends of the present invention connects outer oblique gear, and left and right transmission shaft is connected by screw helical teeth cover in left and right, makes this charger be convenient to mounting or dismounting and maintenance.
The present invention is by arranging many places O-ring seal, so sealing is fine.
The comprehensive above technical scheme of taking, realizes object of the present invention.
Therefore, the present invention is reasonable in design, and compact conformation had both improved the anti-torsional strength of intermediate propeller shaft, its support stiffness is high again, can in long-term operation, keep loading moment to stablize constant, and have the processing and manufacturing of being convenient to, and precision is high, load reliably, good airproof performance, noise is little, is convenient to load measurement; Can realize starting under no load, and the size of the on-stream change loading moment of energy; Have and be convenient to mounting or dismounting, maintenance, the life-span is long, and the advantages such as very convenient are used in operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
The present invention has a width accompanying drawing.Wherein:
Accompanying drawing 1 is the main TV structure schematic diagram of the specific embodiment of the invention.
In figure: 1, hydraulic jack, 2, bearing seat, 3, first rolling bearing, 4, first stop washer, 5, first round nut, 6, first flat key, 7, transmission shaft, 8, first O-ring seal, 9, second O-ring seal, 10, first bolt, 11, first end cap, 12, second bolt, 13, the third bolt, 14, second end cap, 15, second round nut, 16, second stop washer, 17, second flat key, 18, screw, 19, internal helical gear, 20, outer oblique gear, 21, the third end cap, 22, second rolling bearing, 23, piston, 24, the third O-ring seal, 25, intermediate shaft.
Embodiment,
Shown in Fig. 1, be specific embodiments of the invention, the torsional moment adjustable inner helical gear hydraulic loading of installing on Ta Shimou gear manufacturing plant mechanical power closed gear test stand, comprise hydraulic jack 1, piston 23, outer oblique gear 20, internal helical gear 19, intermediate shaft 25 and left and right transmission shaft 7, it is characterized in that: between piston 23 center pits and intermediate shaft 25, installing is by first bolt 10, the third end cap 21, the rolling bearing mechanism that second O-ring seal 9 and second rolling bearing 22 form, two second rolling bearings 22 of countershaft 25 middle part shaft part both sides symmetry installings therein, in the both ends of the surface of its piston 23, by first bolt 10, connect respectively two the third end caps 21, in the surface of contact of the third end cap 21 between each third end cap 21 and intermediate shaft 25, install the second O-ring seal 9 that quantity is at least two, in the two axial ends of intermediate shaft 25, by two outer oblique gears 18 of the symmetrical connection of affixed mode, be connected on two transmission shafts 7 by screw 18 with the internal helical gear 19 of two outer oblique gears, 20 engagements, each described transmission shaft 7 is comprised of internal helical gear 19, bearing seat 2, first rolling bearing 3, first round nut 5, first end cap 11, screw 18, first O-ring seal 8, second end cap 14, second O-ring seal 9, first bolt 10 and the third bolt 13, on the transmission shaft 7 axis hole end faces that match with position, shape and the size of its outer oblique gear 20, by the fixing internal helical gear 19 being meshed with outer oblique gear 20 of screw 18, in its hydraulic jack 1 port, by second bolt 12, bearing seat 2 is fixed on the end face of hydraulic jack 1, two first rolling bearings 3 of symmetrical installing on transmission shaft 7 shaft parts between its transmission shaft 7 and bearing seat 2, on the cylinder inner face of described bearing seat 2, by the third bolt 13, connect second end cap 14, on the cylinder outer face of its bearing seat 2, by first bolt 10, connect first end caps 11, in 14 of second end caps between its second end cap 14 and transmission shaft 7, install the second O-ring seal 9 that quantity is at least two, in 11 of first end caps between its first end cap 11 and transmission shaft 7, install first O-ring seal 8, the inner ring end face of described one side first rolling bearing 3 touches mutually with transmission shaft 7 shaft shoulders, and the inner ring end face of its opposite side first rolling bearing 3 touches mutually with the first round nut 5 being threaded on transmission shaft 7.
The outer ring end face of each described second rolling bearing 22 touches mutually with the bottom face of the third end cap 21; The inner ring end face of its second rolling bearing 22 touches mutually with the intermediate shaft shaft shoulder.
On the axle head of described intermediate shaft 25, the fixed form of affixed each outer oblique gear 20 is by the affixed outer oblique gear 20 of second flat key 17 on the axle head of countershaft 25 therein, the end of its intermediate shaft 25 is threaded connection second round nut 15, on its second round nut 15, install second stop washer 16, realize outer oblique gear 20 is fastened on intermediate shaft 25.
Described each first rolling bearing 3 and each second rolling bearing 22 all adopt taper roll bearing.
Each described second O-ring seal 9 adopts O RunddichtringO.
Each described first O-ring seal 8 adopts U-shaped O-ring seal.
Each described first round nut 5 installing first stop washer 4.
Each described second round nut 15 installing second stop washer 16.
Each third O-ring seal 24 on described piston 23 adopts Yx RunddichtringO.
The outer end of each described intermediate shaft 25 is provided with first flat key 6.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; allly be familiar with those skilled in the art in technical scope disclosed by the invention, within being equal to and replacing or change protection scope of the present invention all should be encompassed according to technical scheme of the present invention and design of the present invention thereof.
Claims (8)
1. a torsional moment adjustable inner helical gear hydraulic loading, comprise hydraulic jack (1), piston (23), outer oblique gear (20), internal helical gear (19), intermediate shaft (25) and left and right transmission shaft (7), it is characterized in that: between piston (23) center pit and intermediate shaft (25), installing is by first bolt (10), the third end cap (21), the rolling bearing mechanism that second O-ring seal (9) and second rolling bearing (22) form, two the second rolling bearings (22) of the symmetrical installing in countershaft (25) middle part shaft part both sides therein, in the both ends of the surface of its piston (23), by first bolt (10), connect respectively two the third end caps (21), in the surface of contact of the third end cap (21) between each third end cap (21) and intermediate shaft (25), installing quantity is at least the second O-ring seal (9) of two, in the two axial ends of intermediate shaft (25), by symmetrical two outer oblique gears (20) that connect of affixed mode, be connected on two transmission shafts (7) by screw (18) with the internal helical gear (19) of two outer oblique gears (20) engagement, described each transmission shaft (7) is comprised of internal helical gear (19), bearing seat (2), first rolling bearing (3), first round nut (5), first end cap (11), screw (18), first O-ring seal (8), second end cap (14), second O-ring seal (9), first bolt (10) and the third bolt (13), on transmission shaft (7) the axis hole end face matching with position, shape and the size of its outer oblique gear (20), by the fixing internal helical gear (19) being meshed with outer oblique gear (20) of screw (18), in its hydraulic jack (1) port, by second bolt (12), bearing seat (2) is fixed on the end face of hydraulic jack (1), symmetrical installing two first rolling bearings (3) on transmission shaft (7) shaft part between its transmission shaft (7) and bearing seat (2), on the cylinder inner face of described bearing seat (2), by the third bolt (13), connect second end cap (14), on the cylinder outer face of its bearing seat (2), by first bolt (10), connect first end cap (11), in second end cap (14) face between its second end cap (14) and transmission shaft (7), installing quantity is at least the second O-ring seal (9) of two, installing first O-ring seal (8) in first end cap (11) face between its first end cap (11) and transmission shaft (7), the inner ring end face of described one side first rolling bearing (3) touches mutually with transmission shaft (7) shaft shoulder, and the inner ring end face of its opposite side first rolling bearing (3) touches mutually with the first round nut (5) being threaded on transmission shaft (7).
2. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: the outer ring end face of each described second rolling bearing (22) touches mutually with the bottom face of the third end cap (21); The inner ring end face of its second rolling bearing (22) touches mutually with the intermediate shaft shaft shoulder.
3. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: on the axle head of described intermediate shaft (25), the fixed form of affixed each outer oblique gear (20) is by the affixed outer oblique gear of second flat key (17) (20) on the axle head of countershaft (25) therein, the end of its intermediate shaft (25) is threaded connection second round nut (15) realization outer oblique gear (20) is fastened on to intermediate shaft (25) above, the upper installing of its second round nut (15) second stop washer (16).
4. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: described each first rolling bearing (3) and each second rolling bearing (22) all adopt taper roll bearing.
5. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: described each the third O-ring seal (24) adopts Y
xrunddichtringO.
6. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: each described second O-ring seal (9) adopts O RunddichtringO.
7. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: described first O-ring seal (8) adopts U-shaped O-ring seal.
8. by torsional moment adjustable inner helical gear hydraulic loading claimed in claim 1, it is characterized in that: each described first round nut (5) installing first stop washer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067865.0A CN102589879B (en) | 2012-03-14 | 2012-03-14 | Torsional moment adjustable inner helical gear hydraulic loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067865.0A CN102589879B (en) | 2012-03-14 | 2012-03-14 | Torsional moment adjustable inner helical gear hydraulic loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589879A CN102589879A (en) | 2012-07-18 |
| CN102589879B true CN102589879B (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210067865.0A Expired - Fee Related CN102589879B (en) | 2012-03-14 | 2012-03-14 | Torsional moment adjustable inner helical gear hydraulic loading device |
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| CN (1) | CN102589879B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758637B (en) * | 2016-04-15 | 2018-02-02 | 青岛科技大学 | A kind of oblique tooth type high pulling torque loading device |
| CN105738105B (en) * | 2016-04-15 | 2018-02-02 | 青岛科技大学 | A kind of high pulling torque large deflection angle Hooks coupling universal coupling testing stand |
| CN105738106B (en) * | 2016-04-15 | 2018-02-02 | 青岛科技大学 | A kind of three fork arm Non-centering Hooks coupling universal coupling testing stands |
| CN105699079B (en) * | 2016-04-21 | 2017-11-14 | 青岛科技大学 | A kind of axial direction connects firmly the opposite helical teeth torque loading device of helix |
| CN105784358B (en) * | 2016-05-04 | 2018-03-02 | 青岛科技大学 | A kind of fan-shaped tooth type universal coupling testing stand |
| CN106640988B (en) * | 2017-01-09 | 2019-04-30 | 南宁市安和机械设备有限公司 | Run out bearing adjustable accuracy transmission device and its application method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141590U (en) * | 2011-07-27 | 2012-02-08 | 重庆齿轮箱有限责任公司 | Load test device for axial load of gear box |
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2012
- 2012-03-14 CN CN201210067865.0A patent/CN102589879B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102589879A (en) | 2012-07-18 |
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