CN110174260A - The torque loading device of mechanical close gear testing machine - Google Patents
The torque loading device of mechanical close gear testing machine Download PDFInfo
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- CN110174260A CN110174260A CN201910377082.4A CN201910377082A CN110174260A CN 110174260 A CN110174260 A CN 110174260A CN 201910377082 A CN201910377082 A CN 201910377082A CN 110174260 A CN110174260 A CN 110174260A
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000011068 loading method Methods 0.000 title claims abstract description 47
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000004519 grease Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 40
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000346 nonvolatile oil Substances 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
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- 230000000295 complement effect Effects 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
- G01M13/026—Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to the torque loading devices of mechanical close gear testing machine.The torque loading device of mechanical close gear testing machine, including the first, second shaft and loading mechanism；First, second shaft is coaxially arranged；One of them of first, second shaft is axially moveable to be arranged on corresponding shaft seating；Coaxial sleeve is equipped with hollow shaft sleeve in first rotating shaft, and hollow shaft sleeve in first rotating shaft and is disposed axially in first rotating shaft by bearing rolling assembling；Second shaft is equipped with tubular connector sleeve；Torque loading device further includes loading mechanism, and loading mechanism includes piston component and rotation charging assembly；The cylinder interior of piston cylinder is equipped with oil supply gallery, is rotatably equipped with oil distributing valve assembly on the cylinder body of piston cylinder；The first loaded member and one of them of the second loaded member for rotating charging assembly are equipped with helicla flute, another is equipped with the adaptation tooth being adapted to helicla flute.Above scheme can improve the poor problem of existing torque loading device reliability.
Description
Technical field
The present invention relates to the torque loading devices of mechanical close gear testing machine.
Background technique
Gear is used to transmit the power of two between centers, almost has application on various mechanized equipments, is mechanically operated base
Plinth component.Gear and gear-box are the reliability for guaranteeing service life and work, to be carried out on gear testing machine before installation
Fatigue life test is to examine its bearing capacity.The gear fatigue examination that transmission power is mechanically recycled and is recycled
The machine of testing is known as mechanical close gear testing machine.This testing machine by test gear-box, accompany examination gear-box, motor, torque rotary speed
Sensor, torque loading device, several shaft couplings and control system composition, the motor of mechanical close gear testing machine mention
The power of confession only requires supplementation in testing machine closed system due to gear friction, the agitation of lubricating oil, bearing friction and shaft coupling
Power loss caused by windage loss etc., the power of consumption are test gear power 10 ~ 15%, are had energy-saving and environment-friendly excellent
Gesture is widely used for carrying out the fatigue life test of gear.
Mechanical close gear testing machine needs to be arranged torque loading device and applies torque, torque loading device to test gear
Including machinery loading device and hydraulic loading device.Machinery loading device such as application publication number is CN105784355A, application number
Loader disclosed in patent of invention (a kind of mechanical transmission testing stand and its test method) for 201610256261.9,
By the helical spline in plane bearing, sliding bearing, fixed voussoir, movable wedge, distance rod, oil cylinder and right tooth connection roller box
Axis and load gear composition.The loader passes through fixed oil cylinder pushing movable wedge relative to fixed voussoir rotation, by axial position
Shifting is applied to plane bearing and load gear is pushed to rotate relative to helical spline shaft, to realize to gear locked-in torque.It is above-mentioned
Loader disclosed in application for a patent for invention is since thrust by plane bearing is applied to load gear by movable wedge, no
It is adapted to high gear testing machine, and plane bearing is easily damaged, reliability is poor.
Hydraulic loading device mechanical close testing stand as disclosed in the Chinese patent that Authorization Notice No. is CN205374023U
Hydraulic pressure loading device, including stator cylinder body and armature spindle, stator cylinder body is equipped with stator vane, and armature spindle is equipped with rotor leaf
Piece.Armature spindle is equipped with oil duct, and armature spindle is by fixed oil distributing valve assembly fuel feeding, by the hydraulic of rotor blade two sides
Difference realizes torque load.For another example Authorization Notice No. is bladed hydromatic loader disclosed in the Chinese patent of CN2116207U,
Using similar structures, load is realized with liquid, by blade by distributing valve (being equivalent to above-mentioned oil distributing valve assembly).But it is above-mentioned
Hydraulic loading device has higher requirements to blade processing precision, assembly precision and hydraulic system using blade shape, there is also
The poor problem of reliability.
Summary of the invention
The object of the present invention is to provide a kind of torque loading devices of mechanical close gear testing machine, improve existing machinery
Closed gear testing machine leads to the problem of influencing detection efficiency since the reliability of torque loading device is poor.
In the present invention mechanical close gear testing machine torque loading device the technical solution adopted is as follows:
The torque loading device of mechanical close gear testing machine, including first rotating shaft, the second shaft and setting in first rotating shaft and
Loading mechanism between second shaft；
First rotating shaft and the second shaft are coaxially arranged, and the two distinguishes rolling assembling on corresponding shaft seating；First rotating shaft and
One of them of second shaft is axially moveable to be arranged on corresponding shaft seating；
Coaxial sleeve is equipped with hollow shaft sleeve in first rotating shaft, and hollow shaft sleeve is by bearing rolling assembling in first rotating shaft and along axial direction
It is located in first rotating shaft；Tubular connector sleeve, tubular connector sleeve are fixed in one end close to first rotating shaft in second shaft
It is coaxially arranged with the second shaft；
Loading mechanism, including piston component and rotation charging assembly, in which:
Piston component, including piston and piston cylinder；Piston and first rotating shaft and the second shaft are coaxially arranged, and piston is fixed at
On hollow shaft sleeve corresponding to first rotating shaft；Piston cylinder is fixed on tubular connector sleeve corresponding to the second shaft, internal
Plunger shaft with annular, center are equipped with the centre bore axially extending along piston cylinder, are coaxially set in hollow shaft by centre bore
Set is outer and is slidingly sealed cooperation with the outer peripheral surface of hollow shaft sleeve；
Spline structure is equipped between the piston and/or hollow shaft sleeve and the piston cylinder；
The cylinder interior of piston cylinder is equipped with oil supply gallery, is rotatably equipped with oil distributing valve assembly on the cylinder body of piston cylinder, oil distributing valve is total
At for being fixedly installed to mechanical close gear testing machine, when use, is supplied by oil supply gallery to the respective side grease chamber of plunger shaft
Oil is to drive piston to move relative to piston cylinder；
Charging assembly is rotated, including the first loaded member and the second loaded member, the first loaded member are fixed in first rotating shaft, second adds
Holder is fixed on the tubular connector sleeve in the second shaft, and the first loaded member protrudes into tubular connector sleeve；First loaded member and
One of them of two loaded members is equipped with helicla flute, another is equipped with the adaptation tooth being adapted to helicla flute.
The technical solution the utility model has the advantages that the present invention by adopting the above technical scheme, piston and piston cylinder in piston component
First rotating shaft and the second shaft can be made to generate axial relative movement by oil distributing valve assembly and oil supply gallery, and then pass through rotation
The helicla flute of charging assembly converts first rotating shaft and the second shaft for the axial force of piston component with the effect for being adapted to tooth
Between relative rotation, achieve the purpose that apply torque, the piston cylinder structure of use is simple, the first, second shaft permanent torque turn
The setting plane bearing that needs to rotate always in the prior art is not needed when dynamic, in loading procedure, hollow shaft sleeve can be opposite yet
In first rotating shaft rotate, be additionally provided with spline structure between piston and/or hollow shaft sleeve and the piston cylinder, can prevent piston with
It is relatively rotated between piston cylinder, prevents piston from rotating relative to piston cylinder and influencing the sealing between piston and piston cylinder,
Better reliability compared with prior art can adapt in more high-revolving test.
As a kind of perferred technical scheme, first loaded member is helical teeth external gear, the tooth socket on helical teeth external gear
Constitute the helicla flute；
Second loaded member is helical teeth internal gear, and the gear teeth on helical teeth internal gear constitute the adaptation tooth.
Structure is simple using the above scheme, and processing and manufacturing is mature, is easy to implement, at low cost.
As a kind of perferred technical scheme, the both ends in first rotating shaft in hollow shaft sleeve are respectively equipped with angular contact bearing,
First loaded member extends axially through nut and is pressed on the angular contact bearing of the second shaft side, and the first loaded member passes through
Key is connect with first rotating shaft.
Amount of parts can be saved using the above scheme, structure is more succinct, and it is at low cost, it is easy to disassemble.
As a kind of perferred technical scheme, the spline structure includes the rotation stop pin being arranged in plunger shaft, described to stop
It ships and resell on another market axially extending along piston cylinder；
Piston is equipped with the pin hole being adapted to rotation stop pin, and piston is assemblied on rotation stop pin by pin hole guiding.
Structure is simple using the above scheme, easy to process.
As a kind of perferred technical scheme, the first rotating shaft is equipped with for the second shaft rolling assembling and can be along axial direction
Movable rotation supporting structure.
First rotating shaft can be improved using the above scheme and rotate the stress of charging assembly, the support for improving first rotating shaft is rigid
Degree, better ensures that stability.
As a kind of perferred technical scheme, the first rotating shaft by sliding bearing rolling assembling in the second shaft with
It realizes axially moveable.
It is simple using sliding bearing structure, it is easy to implement.
Detailed description of the invention
Fig. 1 is mechanical close Gear Experimentation corresponding to the torque loading device of mechanical close gear testing machine in the present invention
The structural schematic diagram of machine；
Fig. 2 is the structural schematic diagram of torque loading device in Fig. 1；
Fig. 3 is the hydraulic circuit figure of the torque loading device of mechanical close gear testing machine in the present invention.
The title of the corresponding component part of respective drawings label in figure are as follows: 1 testing stand pedestal, 2 motor, 3 accompany examination tooth
Roller box, 4 transmission shafts, 5 torque rotary speed sensors, 6 master trip casees, 7 secondary test gear-boxes, 8 torque loading devices；
10 first shaftings, 11 first rotating shafts, 12 first rotating shaft supports, 13 first shaft couplings, 14 hollow shaft sleeves, 15 centripetal thrust force axis
It holds, 16 bearing (ball) covers, 17 helical teeth external gears, 18 wheel gear locking nuts, 19 pistons；
20 second shaftings, 21 second shafts, 22 second shaft seatings, 23 second shaft couplings, 24 tubular connector sleeves, 25 piston cylinders,
251 left side grease chambers, 252 right side grease chambers, 26 oil distributing valve assemblies, 27 Leakage Energy oil revolute chamber, 28 flange connectors, 29 positioning sleeves, 210 tiltedly
Tooth internal gear, 211 ring flat-plates, 212 rotation stop pins, 213 oil supply galleries, 216 sliding bearings；
30 hydraulic pumps, 31 overflow valves, 32 solenoid directional control valves.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
One embodiment of the torque loading device of mechanical close gear testing machine is as shown in Figure 1 to Figure 3 in the present invention, uses
In realizing torque load in mechanical close gear testing machine, corresponding mechanical close gear testing machine is as shown in Figure 1, include examination
It tests platform pedestal 1, motor 2, shaft coupling, accompany examination gear-box 3, transmission shaft 4, torque rotary speed sensor 5, master trip case 6, secondary test
The components such as gear-box 7, torque loading device 8.The power that the motor 2 of mechanical close gear testing machine provides only tests gear
The 10 ~ 15% of power, due to gear friction, the agitation of lubricating oil in complementary testing machine closed system, bearing friction and shaft coupling wind
Hinder the power of loss.Connection between above-mentioned each component can use the existing connection type of this field, no longer illustrate herein.
Torque loading device 8 includes the first shafting 10, the second shafting 20.
As shown in Fig. 2, the first shafting 10 includes first rotating shaft 11, first rotating shaft support 12 and first shaft coupling 13.With
One shaft 11 is located at the left side of the second shaft 21 as directional reference, and 11 left end of first rotating shaft is equipped with external splines, with the first shaft coupling
The internal spline formation of device 13 is slidably connected, and first shaft coupling passes through a pair of of rolling bearing rolling assembling to first rotating shaft support 12
On, first rotating shaft 11 can transmit torque by spline structure and first shaft coupling 13 and can be relative to first rotating shaft support 12
It is axially moveable.
Be arranged with hollow shaft sleeve 14 in first rotating shaft 11, in first rotating shaft 11 in the both ends of hollow shaft sleeve 14 be respectively equipped with to
Heart thrust bearing 15, so that 14 rolling assembling of hollow shaft sleeve is in first rotating shaft 11.The shaft shoulder is equipped at radial thrust bearing 15, it is right
The radial thrust bearing 15 in left side is limited；In order to protect radial thrust bearing 15, bearing (ball) cover is equipped at the shaft shoulder
16 and dustband；The right end end of first rotating shaft 11 is equipped with thread segment, and helical teeth external gear 17 is axially moveable to be set in first turn
On axis 11 and the wheel gear locking nut 18 by being assemblied on thread segment is pressed on the radial thrust bearing 15 on right side, to right side
Radial thrust bearing 15 limited, so that hollow shaft sleeve 14 be made to be disposed axially in first rotating shaft 11.
The outer peripheral surface of hollow shaft sleeve 14 is equipped with piston 19, and piston 19 is by the convex annular that is integrally fixed on hollow shaft sleeve 14
Edge is formed, and piston 19 and first rotating shaft 11 and the second shaft 21 are coaxially arranged.Certainly, in other embodiments, piston can also be with
It is fixed on hollow shaft sleeve by fastener positioning.
Second shafting 20 includes the second shaft 21, the second shaft seating 22 and second shaft coupling 23, further includes tubular connection
Set 24, piston cylinder 25 and oil distributing valve assembly 26, tubular connector sleeve 24 and the second shaft 21 are coaxial fixed.Second shaft 21 passes through two
Angular contact bearing rolling assembling on the second shaft seating 22 and is axially fixed, and end is connect with second shaft coupling 23.
Second shaft, 21 left end is equipped with flange connector 28, and 24 right end of tubular connector sleeve is fixed by screws on flange connector 28.Tubular
It is equipped with two positioning sleeves 29 in connector sleeve 24, is folded with helical teeth internal gear 210 between two positioning sleeves 29.Helical teeth internal gear 210
The second loaded member is formed, the helical teeth external gear 17 in first rotating shaft 11 forms the first loaded member, and the two collectively forms rotation load
Component.Loading mechanism is collectively formed in charging assembly and piston 19, for torque needed for generating Gear Experimentation load.
For 24 left end of tubular connector sleeve by the fixed annulate lamella 211 of screw, it is left that piston cylinder 25 is fixed by screws in ring flat-plate 211
End, piston cylinder 25 are put together by two parts, the plunger shaft of annular are surrounded, for realizing the loading of piston 19.In piston cylinder 25
The heart have the centre bore axially extending along plunger shaft, be coaxially set in by centre bore in the outer circle of hollow shaft sleeve 14 and with it is hollow
The outer peripheral surface of axle sleeve 14 is slidingly sealed cooperation.Spline structure, the spline structure are equipped between piston 19 and the piston cylinder 25
Including the rotation stop pin 212 being arranged in plunger shaft, the rotation stop pin 212 is axially extending along plunger shaft；Piston 19 is equipped with and stops
The pin hole for 212 adaptations of shipping and reselling on another market, piston 19 are assemblied on rotation stop pin 212 by pin hole guiding.
The right end of first rotating shaft 11 on the left end of the second shaft 21, can make the by 216 rolling assembling of sliding bearing
One shafting is more preferable to neutrality with the second shafting, can also make helical teeth external gear stress more preferable, while realizing first rotating shaft
11 axial activity.
The piston cylinder 25 on piston 19 and tubular connector sleeve 24 on hollow shaft sleeve 14 cooperates, the cylinder interior of piston cylinder 25
Equipped with oil supply gallery 213, oil distributing valve assembly 26 is rotatably equipped on the cylinder body of piston cylinder 25, the fixed setting of oil distributing valve assembly 26 is arrived
On mechanical close gear testing machine, when use, is not rotated, can to plunger shaft by 213 fuel feeding of oil supply gallery to drive piston 19
It is axially moved relative to piston cylinder 25.Wherein oil supply gallery 213 divides for oil inlet passage and oil discharge passage, oil inlet passage and fuel-displaced logical
Road is connected to the right side grease chamber 252 of plunger shaft and left side grease chamber 251 respectively.Oil distributing valve assembly 26 is equipped with oil inlet and fuel-displaced
Mouthful, if arrow vertical in figure marks, oil inlet and oil outlet are connected to oil inlet passage and oil discharge passage respectively.Oil distributing valve assembly
26 further include Leakage Energy oil revolute chamber 27, is flowed back for realizing the collection of Leakage Energy.Oil distributing valve assembly 26 is in the prior art normal
With component, can be realized through static oil pipe to rotatable parts fuel feeding, specific structure is no longer described in detail herein.
It is the hydraulic circuit figure of the torque loading device 8 of mechanical close gear testing machine in the present invention, accordingly such as Fig. 3
Hydraulic system includes hydraulic pump 30, overflow valve 31 and solenoid directional control valve 32, solenoid directional control valve 32 for changing piston 19 movement
Direction, overflow valve 31 is for adjusting oil pressure to adjust locked-in torque.Certainly, after solenoid directional control valve 32 commutates, oil distributing valve assembly 26
The oil inlet of upper setting will be used as oil outlet, and oil outlet will also be used as oil inlet.
Pressure is adjusted by overflow valve 31 by the hydraulic oil that hydraulic pump 30 provides, is controlled by solenoid directional control valve 32 and through oil distributing valve
Assembly 26 enters right side grease chamber 252 or left side grease chamber 251, the hydraulic oil formation pressure difference of right side grease chamber 252 and left side grease chamber 251
∆P.The piston 19 being assemblied in piston cylinder 25 only generates axial thrust under the action of hydraulic fluid pressure difference P, pushes helical teeth
The gear teeth of external gear 17 slide in the tooth socket of helical teeth internal gear 210, rotate A shafting relative to B axle system, apply to test gear
Add torque.The pressure difference P and gear of the formation of right side grease chamber 252 and left side grease chamber 251 apply the calculating formula of torque Tp are as follows:
Tp=(PSmnZtan β)/2
In formula, S is the sectional area of oil cylinder, mnFor the normal module of helical teeth external gear 17, z is the number of teeth of helical teeth external gear 17, and β is
The helical angle of helical teeth external gear 17.
In the above-described embodiments, the helical teeth external gear 17 in first rotating shaft 11 forms the first loaded member, tooth socket structure thereon
At helicla flute；Helical teeth internal gear 210 forms the second loaded member, and the gear teeth on helical teeth internal gear 210 constitute adaptation tooth.Other are implemented
In example, the setting position of helicla flute and adaptation tooth can also be exchanged, i.e., adaptation tooth is arranged in the first loaded member, by helicla flute
It is arranged in the second loaded member.Helicla flute and adaptation tooth may be replaced by other forms, for example, the form of helical spline, or
Person first rotating shaft 11 right end be equipped with the above spiral form of one or two sliding slot as helicla flute, in tubular connector sleeve 24
Inner wall on projection be used to slide the stud in insertion helicla flute as adaptation tooth, realization turn is adapted to by stud and helicla flute
The load of square.
In the above-described embodiments, it is equipped with rotation stop pin 212 between piston 19 and the piston cylinder 25 and is used as spline structure, it can
Piston 19 is avoided to rotate relative to piston cylinder 25, in case the sealing ring on circumferential surface is impaired.In other embodiments, piston cylinder 25
Spline structure can be set between hollow shaft sleeve 14, and spline structure can be key fit structure.
In the above-described embodiments, first rotating shaft 11 is axially moveable is arranged on first rotating shaft support 12.In other implementations
In example, can also by the second shaft 21 it is axially moveable be arranged on the second shaft seating 22, first rotating shaft 11 is axially positioned
On first rotating shaft support 12.The axial movable fit form of respective axes of rotation and shaft seating can also be other forms, such as
Flat key form.
In other embodiments, axis location of the hollow shaft sleeve 14 in first rotating shaft 11 and the helical gear axial direction of external tooth are fixed
Position can be implemented separately, and respectively be positioned.
In the above-described embodiments, there are two grease chambers for the tool of piston cylinder 25, and by controlling solenoid directional control valve 32, load cylinder can
It realizes biaxial loadings and unloading, meets biaxial loadings demand.In other embodiments, according to experiment demand, can also only be arranged
One grease chamber is only used for unidirectionally loading.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not limited to this hair
It is bright, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still
The modification for being not required to make the creative labor can be carried out to technical solution documented by foregoing embodiments, or to part
Technical characteristic is equivalently replaced.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement
Deng should all be included in the protection scope of the present invention.
Claims (6)
1. the torque loading device of mechanical close gear testing machine, it is characterised in that: including first rotating shaft, the second shaft and setting
Loading mechanism between first rotating shaft and the second shaft；
First rotating shaft and the second shaft are coaxially arranged, and the two distinguishes rolling assembling on corresponding shaft seating；First rotating shaft and
One of them of second shaft is axially moveable to be arranged on corresponding shaft seating；
Coaxial sleeve is equipped with hollow shaft sleeve in first rotating shaft, and hollow shaft sleeve is by bearing rolling assembling in first rotating shaft and along axial direction
It is located in first rotating shaft；Tubular connector sleeve, tubular connector sleeve are fixed in one end close to first rotating shaft in second shaft
It is coaxially arranged with the second shaft；
Loading mechanism, including piston component and rotation charging assembly, in which:
Piston component, including piston and piston cylinder；Piston and first rotating shaft and the second shaft are coaxially arranged, and piston is fixed at
On hollow shaft sleeve corresponding to first rotating shaft；Piston cylinder is fixed on tubular connector sleeve corresponding to the second shaft, internal
Plunger shaft with annular, center are equipped with the centre bore axially extending along piston cylinder, are coaxially set in hollow shaft by centre bore
Set is outer and is slidingly sealed cooperation with the outer peripheral surface of hollow shaft sleeve；
Spline structure is equipped between the piston and/or hollow shaft sleeve and the piston cylinder；
The cylinder interior of piston cylinder is equipped with oil supply gallery, is rotatably equipped with oil distributing valve assembly on the cylinder body of piston cylinder, oil distributing valve is total
At for being fixedly installed to mechanical close gear testing machine, when use, is supplied by oil supply gallery to the respective side grease chamber of plunger shaft
Oil is to drive piston to move relative to piston cylinder；
Charging assembly is rotated, including the first loaded member and the second loaded member, the first loaded member are fixed in first rotating shaft, second adds
Holder is fixed on the tubular connector sleeve in the second shaft, and the first loaded member protrudes into tubular connector sleeve；First loaded member and
One of them of two loaded members is equipped with helicla flute, another is equipped with the adaptation tooth being adapted to helicla flute.
2. the torque loading device of mechanical close gear testing machine according to claim 1, it is characterised in that: described first
Loaded member is helical teeth external gear, and the tooth socket on helical teeth external gear constitutes the helicla flute；
Second loaded member is helical teeth internal gear, and the gear teeth on helical teeth internal gear constitute the adaptation tooth.
3. the torque loading device of mechanical close gear testing machine according to claim 1 or 2, it is characterised in that: first
Both ends in shaft in hollow shaft sleeve are respectively equipped with angular contact bearing, and the first loaded member extends axially through nut and is pressed in close to second
On the angular contact bearing of shaft side, and the first loaded member is connect by key with first rotating shaft.
4. the torque loading device of mechanical close gear testing machine according to claim 1 or 2, it is characterised in that:
The spline structure includes the rotation stop pin being arranged in plunger shaft, and the rotation stop pin is axially extending along piston cylinder；
Piston is equipped with the pin hole being adapted to rotation stop pin, and piston is assemblied on rotation stop pin by pin hole guiding.
5. the torque loading device of mechanical close gear testing machine according to claim 1 or 2, it is characterised in that: described
First rotating shaft is equipped with the rotation supporting structure for supplying the second shaft rolling assembling and can be axially moveable.
6. the torque loading device of mechanical close gear testing machine according to claim 5, it is characterised in that: described first
Shaft is realized in the second shaft axially moveable by sliding bearing rolling assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377082.4A CN110174260B (en) | 2019-05-07 | 2019-05-07 | Torque loading device of mechanical enclosed gear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377082.4A CN110174260B (en) | 2019-05-07 | 2019-05-07 | Torque loading device of mechanical enclosed gear testing machine |
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| CN110174260A true CN110174260A (en) | 2019-08-27 |
| CN110174260B CN110174260B (en) | 2020-12-08 |
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| CN111504636A (en) * | 2019-10-27 | 2020-08-07 | 江西中船航海仪器有限公司 | Shafting positioning device in incubator |
| CN115855486A (en) * | 2022-11-30 | 2023-03-28 | 中国船舶集团有限公司第七0三研究所 | Gear of vane type hydraulic loading structure |
| CN115846739A (en) * | 2023-02-28 | 2023-03-28 | 沈阳强航时代精密科技有限公司 | Machining method for online datum correction of rotor blade die forging |
| CN115950630A (en) * | 2022-11-21 | 2023-04-11 | 中国船舶集团有限公司第七0三研究所 | Terminating type mechanical static loading transmission device |
| CN116292813A (en) * | 2023-05-25 | 2023-06-23 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Tandem type hydraulic loader |
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| EP0396212A2 (en) * | 1989-04-10 | 1990-11-07 | Bundesanstalt Für Materialforschung Und -Prufung (Bam) | Apparatus and procedure for the uniaxial mechanical testing of materials |
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| CN111504636A (en) * | 2019-10-27 | 2020-08-07 | 江西中船航海仪器有限公司 | Shafting positioning device in incubator |
| CN111504636B (en) * | 2019-10-27 | 2022-04-01 | 江西中船航海仪器有限公司 | Shafting positioning device in incubator |
| CN115950630A (en) * | 2022-11-21 | 2023-04-11 | 中国船舶集团有限公司第七0三研究所 | Terminating type mechanical static loading transmission device |
| CN115950630B (en) * | 2022-11-21 | 2024-04-09 | 中国船舶集团有限公司第七0三研究所 | Terminating mechanical static loading transmission device |
| CN115855486A (en) * | 2022-11-30 | 2023-03-28 | 中国船舶集团有限公司第七0三研究所 | Gear of vane type hydraulic loading structure |
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| CN115846739A (en) * | 2023-02-28 | 2023-03-28 | 沈阳强航时代精密科技有限公司 | Machining method for online datum correction of rotor blade die forging |
| CN116292813A (en) * | 2023-05-25 | 2023-06-23 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Tandem type hydraulic loader |
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