CN205426421U - A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector - Google Patents
A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector Download PDFInfo
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- CN205426421U CN205426421U CN201520900408.4U CN201520900408U CN205426421U CN 205426421 U CN205426421 U CN 205426421U CN 201520900408 U CN201520900408 U CN 201520900408U CN 205426421 U CN205426421 U CN 205426421U
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- 238000010168 coupling process Methods 0.000 claims abstract description 85
- 238000005859 coupling reaction Methods 0.000 claims abstract description 85
- 238000003466 welding Methods 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 description 6
- 210000004907 gland Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model belongs to the aeroengine field, concretely relates to a pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector. The welding sub -assembly of this connector is the T type, and the pole head of welding sub -assembly can be packed into in the T type groove of engine rotor shaft, the pole of welding sub -assembly on one's body in proper order the cooperation installs first nut and second nut, the pole that the clamp plate cover was established at the welding sub -assembly is in between the pole head of first nut and welding sub -assembly 2 on one's body, the function axle is the hollow shaft, and the welding sub -assembly penetrates from the one end of function axle, and the other end is worn out, and the setting of second nut is provided with backing plate and toper gasket between second nut and the function axle in the part that the T type pole of welding sub -assembly was worn out from the function axle, the one end and the function hub connection of coupling spindle, the other end is connected with balanced machine. The T type groove that utilizes engine rotor self is separated to this connector, and the engine rotor internal diameter of having determined is less can't be with the direct problem that deepening compresses tightly of axle class part.
Description
[technical field]
This utility model belongs to aero-engine field, is specifically related to a kind of coupling when engine rotor blance test and for installing the prepackage handrail of this coupling.
[background technology]
Electromotor is the heart of aircraft, engine rotor is balanced test be inspection rotor can steady high speed rotating, and ensure the engine health requisite critical process of use.Engine rotor needs to couple together rotor driven operating with special tooling and balancing machine, thus reaches the purpose of blance test.Aircraft engine machine rotor is the core component of electromotor, and engine rotor part must be balanced test after assembling completes.Balancing machine is attached by coupling with engine rotor.Balancing machine first wife's coupling, is to position with engine rotor internal diameter, and compresses the coupling of transmission moment of torsion.Owing to this engine rotor structure that need to detect is complicated, and internal diameter is little, requirement rotating speed is high, need to use external diameter location at engine rotor two, end face compresses, and moment of torsion transmission is steadily, it is impossible to use former coupling, therefore according to there is on engine rotor axle a T-slot and external diameter has the feature of spline tooth, the coupling meeting this class formation is devised.
[utility model content]
For solving problems of the prior art, this utility model provides a kind of coupling when engine rotor blance test and for installing the prepackage handrail of this coupling, this coupling utilizes has a T-slot and external diameter has the feature of spline tooth to design on armature spindle, when engine rotor is balanced test, by this coupling, engine rotor is attached with balancing machine, drive engine rotor operates, thus realizes the detection of engine rotor high speed rotating balance quality.
This utility model is achieved through the following technical solutions:
A kind of coupling when engine rotor blance test, including functional shaft, welding molectron, pressing plate and coupling spindle；Described welding molectron is T-shaped, and the head of welding molectron can load in the T-slot of described engine rotor axle, the shaft of welding molectron offers screw thread and coordinates successively and be provided with the first nut and the second nut；Described pressing plate is set on the shaft of welding molectron and is between the first nut and the head welding molectron, the hole size of pressing plate installs the sectional dimension of clamp portion on the shaft slightly larger than welding molectron, pressing plate simulates towards the end face of engine rotor one end has the shape that the end of the one end that is connected with described engine rotor is suitable, it is possible to make described coupling realize the rotary balance of self and strengthen the balance of engine rotor；Described functional shaft is hollow axle, first nut is installed penetrate from one end of functional shaft with the molectron of welding of pressing plate, the shaft of welding molectron passes from the other end of functional shaft, and the second described nut is arranged on the part that the T-bar of welding molectron passes from functional shaft；One end of described coupling spindle wears with functional shaft upper boom that one end of is fixing to be connected, and the other end of coupling spindle is connected with balancing machine.
The endoporus of described functional shaft is shoulder hole, and described shoulder hole is followed successively by the hole for engine rotor external diameter positions and accommodates pressing plate, for accommodating the hole of the first nut and for the hole of the shaft through welding molectron.
Offer on the endoporus of described functional shaft for the part that engine rotor external diameter is positioned offer the external spline teeth with engine rotor be meshed coupling inner spline gear and coordinates with the setting circle on engine rotor external diameter position the face of cylinder.
Described functional shaft is selected to be screwed through one end and the coupling spindle of welding molectron shaft and is connected, offer the round boss for positioning with coupling spindle on the end face of this end of functional shaft, uniformly offer the screwed hole matched with screw in the outside of this round boss.
One end that described coupling spindle is connected with functional shaft inwardly offers ladder endoporus, this ladder endoporus includes and the circular hole coordinating location for the round boss positioned with coupling spindle in functional shaft successively, accommodates the second nut and welding molectron circular hole of extension from functional shaft.
The screw hole for being connected uniformly is offered with balancing machine on the end face of the other end of described coupling spindle.
The cross section of the club head portion of described weld assembly is selected square, rod body sorting circular pin, described shaft is vertically welded in the middle part of a side of club head portion, the width of described head and the diameter of shaft and the dimensional fits of the T-slot part of described engine rotor.
A kind of prepackage handrail of the coupling for installing when being used for engine rotor blance test, the first not a half cylindrical structural for the hollow for coordinating location with the setting circle on engine rotor external diameter of one end of described prepackage handrail；The other end offers for through the shaft of welding molectron the through hole to the circle that welding molectron positions, and the shaft of welding molectron can pass through hole just；Middle part is the hollow that can accommodate the first nut second not a half cylindrical structural of prepackage handrail, the second not a half cylindrical structural leaves enough spaces so that the first nut is tightened or unclamps by use instrument.
The inner side of the first not a half cylindrical structural of described prepackage handrail includes the not a half cylindrical surface portion coordinating location with the setting circle on engine rotor external diameter, also includes the not a half cylindrical surface portion accommodating pressing plate with the head welding molectron.
The not a half face of cylinder for location inside the manhole of described prepackage handrail and the first not a half cylindrical structural is coaxially disposed.
The advantage of the coupling of this utility model design is: solve the less problem that directly deeply cannot compress of engine rotor internal diameter with axial workpiece, coupling of the present utility model utilizes the T-slot of engine rotor self, carry out and assembling location first with prepackage handrail: the head crossheading welding molectron in clamping element is entered, quickly through pressing plate and the first nut, engine rotor is connected with welding molectron after rotation, but the first nut does not screws, then utilize prepackage handrail that welding molectron is positioned, finally screw the first nut again, take off prepackage handrail afterwards；The most again functional shaft is penetrated from the shaft direction of welding molectron, by the second nut, functional shaft is fastenedly connected with welding molectron again, the internal spline that functional shaft endoporus is offered simultaneously engages for driving torque with the external splines on engine rotor, has been achieved in that the connection of coupling and engine rotor.Being connected with coupling spindle by functional shaft, coupling spindle is connected with balancing machine more again, it is achieved that coupling and the connection of balancing machine, so far achieves the connection of engine rotor and balancing machine.
Further, all it is machined with, in prepackage handrail, functional shaft, the face of cylinder coordinating location with the setting circle on engine rotor external diameter, the shaft of welding molectron is that small-gap suture coordinates with the endoporus of the through hole on prepackage handrail and pressing plate, so ensure that coupling precise positioning when mounted, be greatly reduced coupling to impact during engine rotor blance test.
Further, using coupling inner spline gear to engage rotor driven with rotor external spline teeth and do high speed rotating, stable drive is reliable, it is ensured that rotor carries out stable high speed rotating blance test.
[accompanying drawing explanation]
Fig. 1 is the side view of the structural representation of engine rotor to be detected；
Fig. 2 is the front sectional view of the structural representation of engine rotor to be detected；
Fig. 3 is the general assembly structural representation of coupling of the present utility model；
Fig. 4 is the side view of the structural representation of prepackage handrail of the present utility model；
Fig. 5 is the front sectional view of the structural representation of prepackage handrail of the present utility model；
Fig. 6 is the three-dimensional sectional schematic diagram after coupling of the present utility model assembling；
Fig. 7 is the schematic three dimensional views of prepackage handrail of the present utility model.
Wherein: 1 is functional shaft, 2 is welding molectron, and 21 is head, and 22 is shaft, and 3 is pressing plate, 4 is coupling spindle, and 5 is through hole, and 6 is the first nut, and 7 is backing plate, and 8 is taper pad, 9 is the second nut, and 10 is screw, and 11 is the first not a half cylindrical structural, and 12 is the second not a half cylindrical structural.
[detailed description of the invention]
Below in conjunction with the accompanying drawings this utility model is described further.
As shown in Fig. 3 Yu Fig. 6, and combining Fig. 1 and Fig. 2, a kind of coupling when engine rotor blance test, including functional shaft 1, welding molectron 2, pressing plate 3 and coupling spindle 4；Described welding molectron 2 is T-shaped, the cross section of the head 21 of weld assembly 2 is selected square, shaft 22 part selects circular pin, shaft 22 is vertically welded in the middle part of a side of head 21, the dimensional fits of the T-slot part of the width of head 21 and the diameter of shaft 22 and described engine rotor, the head 21 of welding molectron 2 can load in the T-slot of described engine rotor axle, the shaft 22 of welding molectron 2 offers screw thread and coordinates successively and be provided with the first nut 6 and the second nut 9；Described pressing plate 3 be set in welding molectron 2 shaft on and be in the first nut with weld molectron 2 head 21 between, the hole size of pressing plate 3 is slightly larger than the sectional dimension installing pressing plate 3 part on the shaft 22 of welding molectron 2, pressing plate 3 simulates towards the end face of engine rotor one end has the shape that the end of the one end that is connected with described engine rotor is suitable, it is possible to make described coupling realize the rotary balance of self and strengthen the balance of engine rotor；Described functional shaft 1 is hollow axle, first nut 6 is installed penetrate from one end of functional shaft 1 with the molectron 2 of welding of pressing plate 3, the shaft 22 of welding molectron 2 passes from the other end of functional shaft 1, the second described nut 9 is arranged in the part that passes from functional shaft 1 of shaft 22 of welding molectron 2, is provided with backing plate 7 and taper pad 8 between the second nut 9 and functional shaft 1；The endoporus of functional shaft 1 is shoulder hole, and described shoulder hole is followed successively by the hole for engine rotor external diameter positions and accommodates pressing plate 3, for accommodating the hole of the first nut 6 and for the hole of the shaft 22 through welding molectron 2；Offer on the endoporus of functional shaft 1 for the part that engine rotor external diameter is positioned offer the external spline teeth with engine rotor be meshed coupling inner spline gear and coordinates with the setting circle on engine rotor external diameter position the face of cylinder；The one end through the shaft 22 of welding molectron 2 that is used for of functional shaft 1 is connected with coupling spindle 4, offer the round boss for positioning with coupling spindle 4 on the end face of this end of functional shaft 1, uniformly offer the screwed hole matched with screw 10 in the outside of this round boss；One end of described coupling spindle 4 is connected by screw 10 with functional shaft 1, one end that coupling spindle 4 is connected with functional shaft 1 inwardly offers ladder endoporus, this ladder endoporus includes and the circular hole coordinating location for the round boss positioned with coupling spindle 4 in functional shaft 1 successively, accommodates backing plate 7, taper pad the 8, second nut 9 and welding molectron 2 circular hole of extension from functional shaft 1；The other end of coupling spindle 4 is connected with balancing machine, uniformly offers the screw hole for being connected with balancing machine on this end face of coupling spindle 4.
As shown in Fig. 4, Fig. 5 and Fig. 6, and combine Fig. 1 and Fig. 2, a kind of prepackage handrail of the coupling for installing when being used for engine rotor blance test, the first not a half cylindrical structural 11 for the hollow for coordinating location with the setting circle on engine rotor external diameter of one end of described prepackage handrail, the inner side of the first not a half cylindrical structural 11 includes the not a half cylindrical surface portion coordinating location with the setting circle on engine rotor external diameter, also includes the not a half cylindrical surface portion accommodating pressing plate 3 with the head welding molectron 2；The other end offers for through the shaft 22 of welding molectron 2 through hole 5 to the circle that welding molectron 2 positions, the shaft 22 of welding molectron 2 can pass through hole 5 just, and the not a half face of cylinder inside through hole 5 and the first not a half cylindrical structural 11 is coaxially disposed；Middle part is the hollow that can accommodate the first nut 6 second not a half cylindrical structural 12 of prepackage handrail, the second not a half cylindrical structural 12 leaves enough spaces so that nut 6 is tightened or unclamps by use instrument.
The coupling of this utility model design is to realize coupling of engine rotor and balancing machine by following technical scheme: coupling is divided into pre-assembled location, compression, positioning transmission, connection totally four parts composition.
Pre-assembled position portion: due to engine rotor architectural characteristic, coupling of the present utility model design is first pre-determined bit, compress again, finally position and transmit moment of torsion, this utility model specialized designs prepackage handrail, prepackage handrail coordinates with welding molectron 2 axle and welding molectron 2 is contained on engine rotor, is properly positioned rotor and pressing section.Prepackage handrail takes circular arc to be positioned the setting circle of rotor, and the second not a half cylindrical structural 12 of prepackage handrail leaves enough spaces and tightens the first nut 6 when location assembling.Meanwhile, when using circular arc location, contact area is big, good stability, it is ensured that concordance when prepackage location and assembling location.It is specifically shown in shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 7.
Pressing section: by welding molectron 2, pressing plate 3, the first nut 6 forms, and this part both coupled with engine rotor, again with have between position portion correct position relationship and coupled together with；On the premise of only first coupling itself does overbalance test guarantee self performance, could couple with engine rotor and be balanced test.Meanwhile, in order to simulate confined state when the blance test of coupling own as far as possible, pressing plate 3 external diameter need to be simulated the position of electromotor thin-walled portion, in order to keep rotary balance when coupling self does blance test, and rotor is played balance booster action.The external diameter of shaft and the width of head of welding molectron 2 coordinate with engine rotor T-slot part.In use, welding molectron 2 enters internal rotor along T-slot, tightens the first nut 6 after half-twist, and the head of welding molectron 2 is pulled back and welding molectron 2 and pressing plate 3 is fixed together with engine rotor.It is specifically shown in shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6.
Positioning transmission part: after pressing section compresses with engine rotor, prepackage handrail is taken out, functional shaft 1 is loaded on the shaft of welding molectron 2, in functional shaft 1, the external diameter of engine rotor is positioned by the internal diameter in hole for positioning engine rotor external diameter and accommodating gland 3 again, functional shaft 1 utilizes inner spline gear to engage rotor driven with rotor external spline teeth and does stable high speed rotating simultaneously, and couples with coupling part.The circumference of functional shaft takes internal diameter to position with rotor diameter, positions while axially compressing with pressing plate 3.It is specifically shown in shown in Fig. 3 and Fig. 6.
Coupling part: critical piece is coupling spindle 4, coupling spindle 4 screw one end is connected with balancing machine, and the other end is connected with positioning transmission part, and pressing section and positioning transmission part are tightened by the second nut 9 and be connected, it is achieved engine rotor is connected with balancing machine.It is specifically shown in shown in Fig. 3 and Fig. 6.
Owing to this coupling is different from plain clamp assembly method, thus assemble sequence is the most different when assembling.The assembling of coupling of the present utility model specifically comprises the following steps that
1, the head of welding molectron 2 is loaded engine rotor, this head is put into inner chamber along bowtie shaped slot, then half-twist；
2, reassemble pressing plate 3 to load from shaft one end of welding molectron 2, and the first nut 6 is screwed in and pressing plate 3 joint from one end of shaft, do not compress.
3, reassemble prepackage handrail, will act as the through hole 5 positioning hole and penetrate from one end of the shaft of welding molectron 2 and be matched therewith, with hands, the not a half cylindrical structural of semicircular arc-shaped position portion that is first 11 of prepackage handrail is pressed on rotor fixed position circle.Now, tighten the first nut 6, make pressing plate 3, welding molectron 2 be assembled into one with engine rotor.
4, prepackage handrail 5 is extracted again out, functional shaft 1 is assemblied on welding molectron 2 and engine rotor, make it for the major diameter fit of internal diameter and rotor fixed position circle on the face of cylinder of location, hole that engine rotor external diameter positions and accommodates gland 3, the internal spline of functional shaft 1 is made to be meshed with the external splines of rotor, the end of welding molectron 2 shaft 22 is stretched out from the endoporus of functional shaft, pad 7, taper pad 8 and the second nut 9 is assembled the most successively on the shaft of welding molectron 2, then tighten the second nut 9, make position portion be combined into one with pressing section.
5, finally coupling spindle 4 is connected with part functional shaft 1, and tightens with screw 10, make coupling spindle connect as one with position portion and pressing section.
So far, coupling completes with the clamping of engine rotor.Only with screw, balancing machine need to be linked together with coupling spindle 4 after engine rotor and coupling are placed on balancing machine by next step, it is achieved engine rotor adjustment of balance is tested, the final mensuration realizing balance.
Claims (10)
1. the coupling when engine rotor blance test, it is characterised in that include functional shaft (1), welding molectron (2), pressing plate (3) and coupling spindle (4)；Described welding molectron (2) is T-shaped, the head (21) of welding molectron (2) can load in the T-slot of described engine rotor, the shaft (22) of welding molectron (2) offers screw thread and coordinates successively and be provided with the first nut (6) and the second nut (9)；Described pressing plate (3) is set in shaft (22) and above and is between the first nut (6) and head (21), and the hole size of pressing plate (3) is slightly larger than the sectional dimension installing pressing plate (3) part on shaft (22)；Described functional shaft (1) is hollow axle, first nut (6) is installed penetrate from one end of functional shaft (1) with the molectron (2) of welding of pressing plate (3), shaft (22) passes from the other end of functional shaft (1), and described the second nut (9) is arranged on the part that shaft (22) passes from functional shaft (1)；One end that one end of described coupling spindle (4) shaft (22) upper with functional shaft (1) passes is fixed and is connected, and the other end of coupling spindle (4) is connected with balancing machine.
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterized in that, the endoporus of described functional shaft (1) is shoulder hole, and described shoulder hole is followed successively by the hole for engine rotor external diameter positions and accommodates pressing plate (3), for accommodating the hole of the first nut (6) and for the hole of the shaft through welding molectron (2).
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterized in that, the endoporus of described functional shaft (1) is offered for the part that engine rotor external diameter is positioned offer the external spline teeth with engine rotor be meshed coupling inner spline gear and coordinates with the setting circle on engine rotor external diameter position the face of cylinder.
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterized in that, described functional shaft (1) is selected screw (10) to fix through one end and the coupling spindle (4) of shaft (22) to be connected, offer the round boss for positioning with coupling spindle (4) on the end face of this end of functional shaft (1), uniformly offer the screwed hole matched with screw (10) in the outside of this round boss.
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterized in that, one end that described coupling spindle (4) is connected with functional shaft (1) inwardly offers ladder endoporus, this ladder endoporus includes and the circular hole coordinating location for the round boss positioned with coupling spindle (4) in functional shaft (1) successively, accommodates the second nut (9) and shaft (22) circular hole of extension from functional shaft (1).
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterised in that uniformly offer the screw hole for being connected with balancing machine on the end face of the other end of described coupling spindle (4).
A kind of coupling when engine rotor blance test the most according to claim 1, it is characterized in that, the cross section of described head (21) is selected square, shaft (22) selects circular pin, described shaft (22) is vertically welded in the middle part of a side of head (21), the width of described head (21) and the diameter of shaft (22) and the dimensional fits of the T-slot part of described engine rotor.
8. the prepackage handrail being used for installing a kind of coupling when engine rotor blance test described in claim 1, it is characterized in that, the first not a half cylindrical structural (11) for the hollow for coordinating location with the setting circle on engine rotor external diameter of one end of described prepackage handrail；The other end offers for through shaft (22) and to welding the circular through hole (5) that molectron (2) positions, and shaft (22) can pass through hole (5) just；The second not a half cylindrical structural (12) that middle part is the hollow that can accommodate the first nut (6) of prepackage handrail, the second not a half cylindrical structural (12) leaves enough spaces so that the first nut (6) is tightened or unclamps by use instrument.
Prepackage handrail the most according to claim 8, it is characterized in that, the inner side of the first not a half cylindrical structural (11) of described prepackage handrail includes the not a half cylindrical surface portion coordinating location with the setting circle on engine rotor external diameter, also includes the not a half cylindrical surface portion accommodating pressing plate (3) with the head welding molectron (2).
Prepackage handrail the most according to claim 8, it is characterised in that described through hole (5) is coaxially disposed with the not a half face of cylinder for location of the first not a half cylindrical structural (11) inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900408.4U CN205426421U (en) | 2015-11-12 | 2015-11-12 | A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900408.4U CN205426421U (en) | 2015-11-12 | 2015-11-12 | A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector |
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| Publication Number | Publication Date |
|---|---|
| CN205426421U true CN205426421U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520900408.4U Active CN205426421U (en) | 2015-11-12 | 2015-11-12 | A pre -installation handrail that connector when is used for engine rotor balancing experimental and be used for installing this connector |
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| CN (1) | CN205426421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328523A (en) * | 2017-09-04 | 2017-11-07 | 中国航发南方工业有限公司 | Turbine rotor balancing test fixture and balancing rig |
| CN112555349A (en) * | 2020-11-30 | 2021-03-26 | 中国航发动力股份有限公司 | Rotor balancing process shaft and assembling method thereof |
-
2015
- 2015-11-12 CN CN201520900408.4U patent/CN205426421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328523A (en) * | 2017-09-04 | 2017-11-07 | 中国航发南方工业有限公司 | Turbine rotor balancing test fixture and balancing rig |
| CN112555349A (en) * | 2020-11-30 | 2021-03-26 | 中国航发动力股份有限公司 | Rotor balancing process shaft and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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| CP03 | Change of name, title or address |