CN204657857U - Engine bearing support body and engine upset vehicle frame - Google Patents
Engine bearing support body and engine upset vehicle frame Download PDFInfo
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- CN204657857U CN204657857U CN201520274426.6U CN201520274426U CN204657857U CN 204657857 U CN204657857 U CN 204657857U CN 201520274426 U CN201520274426 U CN 201520274426U CN 204657857 U CN204657857 U CN 204657857U
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Abstract
The utility model discloses a kind of engine bearing support body and engine upset vehicle frame, relate to aero engine technology field.Solve existing engine bearing support body to the poor technical problem of the support reliability of engine.This engine bearing support body comprises the first support, the second support and connection bracket, first support and the second support are provided with main keeper and auxiliary positioning part separately, main keeper are distributed with at least two primary load bearing points for applying support force or pulling force to engine; Auxiliary positioning part is distributed with at least two auxiliary fulcrums for applying support force or pulling force to engine; Connection bracket is installed with at least two connection assists, connection assist is distributed with at least two auxiliary fulcrums for applying support force or pulling force to engine.This engine upset vehicle frame comprises the engine bearing support body that the utility model provides.The utility model is for improving engine upset vehicle frame to the support reliability of engine and security.
Description
Technical field
The utility model relates to aero engine technology field, particularly relates to a kind of engine bearing support body and arranges the engine upset vehicle frame of this engine bearing support body.
Background technology
The general assembly mode of aero-engine be generally divided into vertical assembling, level assembling, vertically and level to combine three kinds of assembly methods (or claiming assembling method).The assembling mode of domestic air mail engine adopts the third method in the majority, namely take vertically when engine carries out body assembling and assembling mode that level combines, after completing principal unit docking, by upset engine, make it keep level, then carry out remaining the follow-up works such as the installation of outer conduit and annex and relevant leakage test, maneuvering test, contact resistance inspection.
At home in aero-engine assembling field, in order to realize the third assembly method above-mentioned, generally employ engine upset vehicle frame.
The applicant finds: the engine upset vehicle frame that prior art provides at least exists following technical problem:
1, the connected mode of this engine upset vehicle frame and engine is supported at three point, is namely symmetrically set with a bolster at Middle casing, has an auxiliary fulcrum below Middle casing.By analysis, this kind of connected mode has certain potential safety hazard, exist and support because of wherein a certain the risk losing efficacy or ruptured and cause machine failure or land, especially when engine carries out turning operation, if lost efficacy owing to supporting and cause the infringement of engine in dynamic process, its consequence was by serious and cannot retrieve;
2, the supported at three point design of this engine upset vehicle frame is only applicable to the connected mode of military aero-engine, and commercial aviation engine, due to the structural difference such as bypass ratio and position of centre of gravity, can not use 3 supports;
3, this engine upset vehicle frame is in order to realize auto-lock function, employ worm-gear speed reducer, the maximum feature of this kind of reductor has reverse self-locking function (namely to drive worm gear by worm screw, worm gear can not drive worm screw), although have outstanding advantage, but compared to gear reduction unit, worm-gear speed reducer also has shortcoming, require good Cooling and Lubricator condition etc. as volume is comparatively large, efficiency is lower, heating is large, when working.
Utility model content
One of them object of the present utility model proposes a kind of engine bearing support body and arranges the engine upset vehicle frame of this engine bearing support body, solves existing engine bearing support body to the poor technical problem of the support reliability of engine.
Many technique effects that optimal technical scheme in many technical schemes that the utility model provides can produce refer to hereafter sets forth.
For achieving the above object, the utility model provides following technical scheme:
The engine bearing support body that the utility model embodiment provides, comprises the first support, the second support and connection bracket, wherein:
Described connection bracket is fixedly connected between described first support, described second support;
Described first support and described second support are provided with main keeper and auxiliary positioning part separately, described main keeper are distributed with at least two primary load bearing points for applying support force or pulling force to described engine;
Described auxiliary positioning part is distributed with at least two auxiliary fulcrums for applying support force or pulling force to described engine;
Described connection bracket is installed with at least two connection assists, described connection assist is distributed with at least two auxiliary fulcrums for applying support force or pulling force to described engine;
The support force that described auxiliary fulcrum applies described engine or pulling force are less than the support force or pulling force that described primary load bearing point applies described engine, described primary load bearing point, described auxiliary fulcrum all can carry described engine from the diverse location described engine circumferential direction separately, and at least part of described auxiliary fulcrum and described primary load bearing point can carry described engine from the diverse location described engine axial direction.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, also detachably be fixedly connected with counterweight between described first support, described second support, the outline of frame structure that described first support, described second support, described connection bracket and described counterweight are formed jointly or the orthographic projection of Internal periphery in the vertical direction are rectangle.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described connection bracket is arc support plate, and the female parts of described connection bracket forms the spatial accommodation that can embed at least part of region of described engine.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described main keeper is the adjustable locating shaft of axial location, and described main keeper can be adjusted to the position in the locating hole of the front support case being plugged on described engine;
Wherein one end and described first bracket-rotatable of the described auxiliary positioning part that described first support is arranged are dynamically connected, wherein one end and described second bracket-rotatable of the described auxiliary positioning part that described second support is arranged are dynamically connected, and the described auxiliary positioning part wherein other end separately that the described auxiliary positioning part that described first support is arranged and described second support are arranged detachably is fixedly connected with the rear support case of described engine;
Described connection assist wherein one end is fixedly connected with described connection bracket, and the described connection assist wherein other end is detachably fixedly connected with the front support case of described engine.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described connection assist comprises support pedestal and gripper shoe, described support pedestal is detachably fixedly connected with described connection bracket, described support pedestal and the connected mode of described gripper shoe be along engine axis and/or be detachably fixedly connected with apart from adjustable between the two in the radial direction, described gripper shoe is detachably fixedly connected with the front support case of described engine.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described pinned connection or the bolt of being detachably fixedly connected as connects.
Engine that the utility model embodiment provides upset vehicle frame, comprises the engine bearing support body that support foundation and the arbitrary technical scheme of the utility model provide, wherein:
Described first support and described second support are all rotatably connected with described support foundation separately, and described first support and described second support can drive the described engine carried by described primary load bearing point and described auxiliary fulcrum to do 360 ° around described support foundation rotates;
Described first support makes the axial direction of described engine overlap with vertical direction with described second holder pivots to driving described engine during erection position, and described first support makes the axial direction of described engine vertical with vertical direction with described second holder pivots to driving described engine during horizontal level.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described engine upset vehicle frame also comprises school bit architecture, and described school bit architecture comprises position, school through hole and can embed position, the school latch in the through hole of position, described school, wherein:
Position indicator hole is provided with separately on described support foundation and described first support or on described support foundation and described second support;
When described first support and described second holder pivots are to erection position and horizontal level, the axial direction of described first support and the described first support position indicator hole on one of them all can coincide jointly to form position, described school through hole with the axial direction of the position indicator hole in described support foundation.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described support foundation is also provided with locking mechanism, when described first support and described second holder pivots are to erection position and horizontal level, described locking mechanism all can by described first support and described second bracket locked in described support foundation.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, the first grip slipper, the second grip slipper that described locking mechanism comprises installation shaft and is fixedly connected with the two ends on described installation shaft axial direction respectively, wherein:
Described support foundation comprises the first pedestal and the second pedestal, and described first support and described first pedestal are rotatably connected, and described second support and described second pedestal are rotatably connected;
Described first support and described second support include first body of rod and second body of rod separately, and described second body of rod is connected with described first body of rod is vertical;
Described connection bracket is fixedly connected between first body of rod of described first support and first body of rod of described second support; Or described connection bracket is fixedly connected between second body of rod of described first support and second body of rod of described second support;
Described installation shaft and described first pedestal or described second pedestal are rotatably connected;
Described first grip slipper and described second grip slipper have all been threaded separately clamping screw rod, and described clamping screw rod can turn to the position of described first body of rod or described second body of rod being clamped relative to described first grip slipper or described second grip slipper.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described engine upset vehicle frame also comprises support rod body, the supporting disk that described support rod body comprises support bar and is fixedly connected with described support bar, described support bar forms support end away from one end of described supporting disk, when described first support and described second holder pivots are to erection position or horizontal level, described first body of rod is positioned at the part that the part of described second body of rod both sides or described second body of rod be positioned at the first body of rod both sides and is pressed on described support end.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described engine upset vehicle frame also comprises turnover driving mechanism and electromagnetic brake, and the power output shaft of described turnover driving mechanism drives described engine bearing support body to rotate relative to described support foundation by transmission mechanism;
Described electromagnetic brake is arranged in described support foundation and its brake component is arranged on around the power output shaft of described turnover driving mechanism, lock the power output shaft of described turnover driving mechanism when described electromagnetic brake brake switch is opened by described brake component, when described electromagnetic brake brake switch is closed, described brake component removes the locking to the power output shaft of described turnover driving mechanism.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described turnover driving mechanism comprises motor and reductor, the rotating shaft of described motor drives with the power input shaft of described reductor and is connected, and the power output shaft of described reductor forms the power output shaft of described turnover driving mechanism.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described reductor is gear reduction unit.
As the optional or preferred embodiment of the arbitrary technical scheme of the utility model, described engine upset vehicle frame also comprises foundation frame, and described support foundation is fixedly connected on described foundation frame;
Described foundation frame is provided with the adjustable catcher support member in position on castor and vertical direction, the bottom of described catcher support member vertically passes described foundation frame, the bottom of described catcher support member can move to the application position abutted against with ground, when described catcher support member is in application position, the distance that described catcher support member passes described foundation frame bottom surface is greater than the distance that described castor vertically extends described foundation frame bottom surface.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
The engine bearing support body that the utility model embodiment provides is designed with at least two primary load bearing points, at least four auxiliary fulcrums, and at least part of described auxiliary fulcrum is different from the distributing position on engine axial direction described in described primary load bearing point, the distributing position of primary load bearing point and auxiliary fulcrum can comparatively equably, dispersedly support force or pulling force are applied to engine each several part, even if one of them primary load bearing point or an auxiliary point failure, other primary load bearing points or auxiliary fulcrum also still can play desirable supporting role to engine, more reliably achieve the support to engine thus, efficiently avoid in the assembling process of engine and lost efficacy or fracture and cause machine failure or engine and land accident because one of them supports, so solve existing engine bearing support body to the poor technical problem of the support reliability of engine.
Optimal technical scheme in many technical schemes that the utility model provides can produce at least following technique effect:
1, improve aero-engine and carry out the security that level is connected with mount support with engine in the vertical mutual switching process of state, reduce engine switching process generation engine and land the probability of accident;
2, designed by multi-locking, achieve the fixing and locking of engine to be assembled at unspecified angle, guarantee the stability of decomposing engine in assembling process, improve decomposition assembly quality.
3, by using gear reduction unit to replace worm-gear speed reducer, reducing self-action upset vehicle frame volume, eliminating the cooling and lubricating device of reductor, improve the transmission efficiency of whole system simultaneously.
4, versatility is good, and can be applied to other needs to carry out on the Attitudes such as the aero-engine that overturns or gas generator, easy to operate and safe and effective.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic front view of the engine upset vehicle frame that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the cross-sectional schematic of Fig. 1 along A-A line;
The schematic top plan view of the engine upset vehicle frame that Fig. 3 provides for the embodiment of the utility model shown in Fig. 1;
Fig. 4 is the cross-sectional schematic of Fig. 3 along B-B line;
The schematic perspective view of the engine upset vehicle frame that Fig. 5 provides for the embodiment of the utility model shown in Fig. 1;
The enlarged diagram of locking mechanism in the engine upset vehicle frame that Fig. 6 provides for the embodiment of the utility model shown in Fig. 1;
Reference numeral: 1, castor; 2, support rod body; 3, catcher support member; 4, packing ring; 5, foundation frame; 6, pivot pin; 7, split pin; 8, Quick-release latch; 9, ring is pitched; 10, supplemental support seat; 101, auxiliary positioning part; 11, " ten " word support; 111, the first support; 112, the second support; 1111, first body of rod; 1121, first body of rod; 1112, second body of rod; 1122, second body of rod; 12, positioning bearing seat; 13, gripper shoe; 134, connection assist; 14, baffle plate; 15, nut; 16, supporting screw is regulated; 17, screw; 18, nut; 19, bolt; 20, screw; 21, installation shaft bearing; 22, rotating shaft; 23, straight pin; 24, pedestal is supported; 25, flat key; 26, rotating shaft; 27, electromagnetic brake; 28, shaft coupling; 29, flat key; 30, screw; 31, packing ring; 32, reductor; 33, motor; 34, screw; 35, cover plate; 36, locking mechanism (or claim: latch assembly); 360, installation shaft; 361, the first grip slipper; 362, the second grip slipper; 363, screw rod is clamped; 37, cushion block; 38, electric cabinet; 39, counterweight; 40, position, school latch (or claim: position latch); 41, screw; 42, connection bracket; 43, main keeper; 431, position adjustments screw rod; 432, positioning screw; 441, front support case; 442, rear support case; 45, support foundation (or claim: primary load bearing support).
Detailed description of the invention
Content of the present utility model and the distinctive points between the utility model and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 6 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present utility model, (comprise optimal technical scheme to be described in further detail to the technical solution of the utility model.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present utility model and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided carries out two or more technological means any of replacing or being provided by the utility model or technical characteristic carries out mutually combining and obtaining new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art two or more technological means any that the utility model is provided or the technical characteristic new technical scheme carrying out mutually combining and obtain.
The utility model embodiment provides and a kind ofly reliably can to carry engine, support and engine bearing support body easy to use and arrange the engine upset vehicle frame of this engine bearing support body.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 6 carries out specifically to the technical scheme that the utility model provides.
As shown in Fig. 1 ~ Fig. 6, the engine bearing support body that the utility model embodiment provides, comprise the first support 111, second support 112 and connection bracket (being preferably arc support plate) 42, wherein: the first support 111, second support 112 is preferably " ten " word support 11.
Connection bracket 42 is fixedly connected between the first support 111, second support 112;
First support 111 and the second support 112 are provided with main keeper (being preferably locating shaft) 43 and auxiliary positioning part (preferably comprising supplemental support seat 10 and the fork ring 9 with supplemental support seat 10 pinned connection) 101 separately, main keeper 43 is distributed with at least two primary load bearing points for applying support force or pulling force to engine, and two primary load bearing points can from the diverse location carrying engine engine circumferential direction;
Auxiliary positioning part 101 is distributed with at least two auxiliary fulcrums for applying support force or pulling force to engine, and at least two the auxiliary fulcrums be distributed on auxiliary positioning part 101 can from the diverse location carrying engine engine circumferential direction;
Connection bracket 42 is installed with at least two connection assists 134, connection assist 134 is distributed with at least two auxiliary fulcrums for applying support force or pulling force to engine, and at least two the auxiliary fulcrums be distributed in connection bracket 42 can from the diverse location carrying engine engine circumferential direction;
The support force that auxiliary fulcrum applies engine or pulling force are less than the support force or pulling force that primary load bearing point applies engine, and at least part of fulcrum of assisting is different from the distributing position on primary load bearing point engine axial direction.
The engine bearing support body that the utility model provides is designed with at least two primary load bearing points, at least four auxiliary fulcrums, and auxiliary fulcrum is different from the distributing position on primary load bearing point engine axial direction at least partly, the distributing position of primary load bearing point and auxiliary fulcrum can apply more uniform support force or pulling force to engine each several part comparatively dispersedly, even if one of them primary load bearing point or an auxiliary point failure, other primary load bearing points or auxiliary fulcrum also still can play desirable supporting role to engine, more reliably achieve the support to engine thus, efficiently avoid in the assembling process of engine and lost efficacy or fracture and cause machine failure or engine and land accident because one of them supports.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the outline of frame structure that (be preferably pinned connection) have counterweight (being preferably balancing weight) the 39, first support 111, second support 112, connection bracket 42 and counterweight 39 4 jointly to be formed also detachably is fixedly connected with or the orthographic projection of Internal periphery in the vertical direction is rectangle between first support 111, second support 112.
The gravity that counterweight 39 not only can make engine bearing support body bear everywhere is more balanced, to be conducive to overturning engine bearing support body and the engine be arranged on engine bearing support body, and counterweight 39 is connected between the first support 111, second support 112, enhance the structural strength of the frame structure that the first support 111, second support 112, connection bracket 42 and counterweight 39 4 are formed jointly.The outline of frame structure or the orthographic projection of Internal periphery in the vertical direction are the structure comparison rule of rectangle, and be convenient to assembling, dismounting efficiency is high.
Because support case before engine 441 (or claim: Middle casing) weight is comparatively large, thus on engine bearing support body away from engine before the position of support case 441 preferably arrange counterweight 39 with balanced engine before support case 441 on the impact of engine bearing support body.Certainly, the engine for unmatched support case 441 can omit counterweight 39.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, connection bracket 42 is arc support plate, and the female parts of connection bracket 42 forms the spatial accommodation that can embed engine portion subregion (being preferably the front support case 441 of engine).When the connection bracket 42 of said structure is for realizing the positioning operation of engine, spatial accommodation is because can embed the subregion of engine, so whole engine bearing frame structure is compact, simultaneously, the spatial accommodation of the embedding engine portion subregion of the female parts formation of connection bracket 42, obvious, be convenient to engine to be placed on installation site fast.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, main keeper 43 is the adjustable locating shaft of axial location, and main keeper 43 can form primary load bearing point after being adjusted to the position in the locating hole of the front support case 441 being embedded in engine; The adjustable locating shaft of axial location is adopted to have the advantage being convenient to regulate, enabling capabilities is strong as main keeper 43.
Can setting position adjusting screw(rod) 431 for realizing the adjustable function of main keeper 43 axial location, position adjustments screw rod 431 is made to abut against with main keeper 43 and make both axial directions consistent, position adjustments screw rod 431 is threaded with the positioning bearing seat 12 be fixed on the first support 111, second support 112, the distance that position adjustments screw rod 431 moves along its axis can be changed by turned position adjusting screw(rod) 431, when position adjustments screw rod 431 is connected on main keeper 43, main keeper 43 can be promoted and axially stretch out towards the direction close to engine along it.When counter-rotation position adjustments screw rod 431, position adjustments screw rod 431 is return and throws off main keeper 43 in the other direction, now, can, with manually promoting main keeper 43, main keeper 43 be return until exit the locating hole of the front support case 441 of engine.
Before main keeper 43 can slide into and be embedded in engine in positioning bearing seat 12 support case 441 locating hole in position, main keeper 43 comprises two locating shafts, two locating shafts are separately positioned on two positioning bearing seats 12, one of them positioning bearing seat 12 is fixed on the flange connector of the first support 111 by screw 17, and wherein another positioning bearing seat 12 is fixed on the flange connector of the second support 112 by screw 17.
Positioning bearing seat 12 adopts straight pin 23 to be formed by connecting by the bearing seat of two shellies of symmetry, then can be plugged on two bearing seats by straight pin 23 to form positioning bearing seat 12 between bearing seat locating shaft being clamped in two shellies, positioning bearing seat 12 runs through and is provided with a positioning screw 432, positioning screw 432 is threaded with positioning bearing seat 12, after the main keeper 43 i.e. position of locating shaft is adjusted, the mode that rotational positioning screw rod 432 can abut keeper 43 by positioning screw 432 realizes the locking to main keeper 43.
Wherein one end and first support 111 of the auxiliary positioning part 101 that the first support 111 is arranged are rotatably connected (being preferably pinned connection), wherein one end and second support 112 of the auxiliary positioning part 101 that the second support 112 is arranged are rotatably connected (being preferably pinned connection), can be formed and assist fulcrum the respective wherein other end of the auxiliary positioning part 101 that the auxiliary positioning part 101 that the first support 111 is arranged and the second support 112 are arranged detachably is fixedly connected with (preferably pinned connection) with the rear support case 442 of engine after;
Auxiliary positioning part 101 preferably comprises supplemental support seat 10 and fork ring 9, supplemental support seat 10 on the rear support case 442 of the first support 111, second support 112 and engine is preferably provided with separately the flange connector of similar hanger, flange connector on wherein one end and first support 111 of fork ring 9 or the flange connector on the second support 112 are by pivot pin 6 pinned connection, and the flange connector on the supplemental support seat on the fork wherein other end of ring 9 and the rear support case 442 of engine passes through Quick-release latch 8 pinned connection.
Above-mentioned set-up mode can guarantee that auxiliary positioning part 101 has larger flexibility and the free degree, and then improves flexibility and the convenience of engine installation exercise, and the said structure engine type that can be suitable for is more in addition, and versatility is stronger.
Connection assist 134 wherein one end is fixedly connected with connection bracket 42, and the connection assist 134 wherein other end can form auxiliary fulcrum be detachably fixedly connected with (being preferably bolt to be connected) with the front support case 441 of engine after.Connection assist 134 can improve the connection reliability of engine and engine bearing support body further.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, connection assist 134 comprises support pedestal 24 and gripper shoe 13, support pedestal 24 to be detachably fixedly connected with connection bracket 42, supporting pedestal 24 is detachably be fixedly connected with apart from adjustable between the two along on the axial direction of engine with the connected mode of gripper shoe 13, and gripper shoe 13 is detachably fixedly connected with the front support case 441 of engine.
Connection assist 134 preferably also comprises baffle plate 14, gripper shoe 13 is detachably fixedly connected with preferably by bolt 19 and with the nut 18 that bolt 19 is threaded with the mounting edge three of the front support case 441 of baffle plate 14, engine, the mounting edge of the front support case 441 of engine is clamped between gripper shoe 13 and baffle plate 14, and gripper shoe 13 and baffle plate 14 are clamped between the head of bolt 19 and nut 18.
Baffle plate 14 is for offering the arc plate of bolt connecting hole; its mounting edge that can substitute the front support case 441 of engine bears and comes from bolt 19 and the clamping force of nut 18, can play certain protective effect thus to the mounting edge of support case before engine 441.
Detachably being fixedly connected with of adjustable interval specifically can adopt the nut 15 regulating supporting screw 16 and be threaded with adjustment supporting screw 16 to realize, regulate supporting screw 16 to run through gripper shoe 13 and be threaded with the screw supported on pedestal 24, nut 15 is between the head regulating supporting screw 16 and gripper shoe 13 or between supporting between pedestal 24 and gripper shoe 13, and nut 15 is pressed in gripper shoe 13.
Rotate the head, nut 15 and the distance that supports between pedestal 24 that regulate supporting screw 16 and nut 15 to change to regulate supporting screw 16, and then the spacing between the gripper shoe 13 supported between pedestal 24 and the head regulating supporting screw 16 and support pedestal 24 can be regulated.
The setting of gripper shoe 13 further increases the bonding strength between auxiliary positioning part 101 and the front support case 441 of engine.Adjustable interval be detachably fixedly connected with the adaptive capacity of support case 441 and the flexibility of assembling before the engine that improve gripper shoe 13 pairs of different models.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, be detachably fixedly connected as pinned connection or bolt connection.Pinned connection is connected high, easy to connect, the reliable advantage that all has efficiency of assembling with bolt.The end of the bearing pin that above-mentioned pinned connection uses can arrange axial disconnecting prevention structure (such as split pin 7) as required.
Engine that the utility model embodiment provides upset vehicle frame, comprises the engine bearing support body that support foundation 45 and the arbitrary technical scheme of the utility model provide, wherein:
First support 111 and the second support 112 are all rotatably connected with support foundation 45 separately, and the engine that the first support 111 and the second support 112 can drive acceptor's hard point and auxiliary fulcrum to carry is done 360 ° around support foundation 45 and rotated.The port first support 111 and the second support 112 being installed the installing hole of rotating shaft 22 adopts screw 34 to be fixedly connected with cover plate 35, and cover plate 35 can prevent rotating shaft 22 from deviating from from the port of installing hole.
First support 111 and the second support 112 connected mode that is respective and support foundation 45 can be: the first support 111 is rotationally connected by rotating shaft 22 and installation shaft bearing 21, and installation shaft bearing 21 is fixed in support foundation 45 by screw 20.Second support 112 is rotationally connected by rotating shaft 26 and another bearing block, and this bearing block is also fixedly connected with support foundation 45.
First support 111 and the second support 112 can drive (acceptor's hard point and auxiliary fulcrum carry) engine that the axial direction of engine is overlapped with vertical direction when turning to erection position, (acceptor's hard point and auxiliary fulcrum carry) engine can be driven when the first support 111 and the second support 112 turn to horizontal level to make the axial direction of engine vertical with vertical direction.
The support reliability of engine and the security of assembling effectively can be improved when engine upset vehicle frame application the utility model engine bearing support body is to carry engine and to assemble engine.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, engine upset vehicle frame also comprises school bit architecture, school bit architecture comprises position, school through hole and can embed position, the school latch 40 in the through hole of position, school, wherein: position, school latch 40 is connected with screw 41 by rope, and screw 41 is threaded with the screw in support foundation 45.
Position indicator hole is provided with separately on support foundation 45 and the first support 111 or on support foundation 45 and the second support 112;
When first support 111 and the second support 112 turn to erection position and horizontal level, the axial direction of both the first support 111 and the second support 112 position indicator hole on one of them all can coincide with the axial direction of the position indicator hole in support foundation 45 and jointly form position, school through hole.Above-mentioned setting can guarantee the first support 111 and the erection position of the second support 112 and the positional precision of horizontal level.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, support foundation 45 is also provided with locking mechanism 36, when first support 111 and the second support 112 turn to erection position and horizontal level, the first support 111 and the second support 112 all can be locked in support foundation 45 by locking mechanism 36.Locking mechanism 36 can avoid the first support 111 and the second support 112 when not needing to overturn voluntarily when overturning, and then improves the reliability that engine upset vehicle frame locates engine.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the first grip slipper 361, second grip slipper 362 that locking mechanism 36 comprises installation shaft 360 and is fixedly connected with the two ends on installation shaft 360 axial direction respectively, wherein: support foundation 45 comprises the first pedestal and the second pedestal, first support 111 and the first pedestal are rotatably connected, and the second support 112 and the second pedestal are rotatably connected;
Both first support 111 and the second support 112 include first body of rod and second body of rod separately, and second body of rod is connected with first body of rod is vertical;
Connection bracket 42 is fixedly connected on (certainly, connection bracket 42 also can be fixedly connected between second body of rod 1112 of the first support 111 and second body of rod 1122 of the second support 112) between first body of rod 1111 of the first support 111 and first body of rod 1121 of the second support 112 as shown in Fig. 1 ~ Fig. 6; Installation shaft 360 axially runs through the first pedestal or the second pedestal along it;
First grip slipper 361 and the second grip slipper 362 have all been threaded separately clamping screw rod 363, and clamping screw rod 363 can turn to the position of first body of rod or second body of rod being clamped relative to the first grip slipper 361 or the second grip slipper 362.
Above-mentioned locking mechanism 36 have employed clamping screw rod 363 and locks first body of rod or second body of rod, this locking mode is not only convenient to regulate clamping degree, and when not needing clamping first support 111 and the second support 112, as long as unscrew clamping screw rod 363, locking mechanism 36 just can be sagging centered by installation shaft 360, avoid the rotation path of the first support 111 and the second support 112, avoid and unnecessary interference is caused to the first support 111 and the second support 112.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, engine upset vehicle frame also comprises support rod body (or be called: support bar assembly) 2, the supporting disk that support rod body 2 comprises support bar and is fixedly connected with support bar, support bar forms support end away from one end of supporting disk, when first support 111 and the second support 112 turn to erection position or horizontal level, first body of rod is positioned at the part that the part of the second body of rod both sides or second body of rod be positioned at the first body of rod both sides and is pressed on support end and support bar one end away from described supporting disk.Now, support bar can to first body of rod, the second body of rod applying support force upward.
Support rod body 2 can be utilized to support to guarantee that this first body of rod or second body of rod have higher load capacity and stability to first body of rod or second body of rod after the position of the first support 111 and the second support 112 turns to the horizontal level of needs or erection position, needing to take away support rod body 2 when needing the position of again rotating, adjusting the first support 111 and the second support 112, causing interference to avoid the rotation of support rod body 2 to the first support 111 and the second support 112.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, engine upset vehicle frame also comprises turnover driving mechanism and electromagnetic brake 27, and the power output shaft of turnover driving mechanism drives engine bearing support body to rotate relative to support foundation 45 by transmission mechanism;
Transmission mechanism preferably comprises flat key (being preferably Type B flat key) 29, shaft coupling 28, rotating shaft 26 and flat key (being preferably A type flat key) 25, the power output shaft of turnover driving mechanism is driven with shaft coupling 28 by flat key 29 and is connected, shaft coupling 28 drives with rotating shaft 26 and is connected, and rotating shaft 26 is driven by the first support 111 of flat key 25 and engine bearing support body or the second support 112 and is connected.
Electromagnetic brake 27 is arranged in support foundation 45 and its brake component is arranged on around the power output shaft of turnover driving mechanism, lock the power output shaft of turnover driving mechanism when electromagnetic brake 27 brake switch is opened by brake component (mode preferably by holding shaft coupling 28 tightly), when electromagnetic brake 27 brake switch is closed, brake component (mode preferably by throwing off shaft coupling 28) removes the locking to the power output shaft of turnover driving mechanism.Electromagnetic brake 27 can ensure that the power output shaft of the unspecified angle in 360 ° to turnover driving mechanism locks, and then the position of engine bearing support body on engine upset vehicle frame is locked, further increase positional precision and the stability of engine bearing support body thus.
Cushion block 37 can also be set between electromagnetic brake 27 and support foundation 45 to cushion the vibration produced when electromagnetic brake 27 is braked.
Electromagnetic brake 27 comprises electromagnetic actuator device, connecting rod and described brake component, connecting rod is rotationally connected by the mounting flange on rotating pin and support foundation 45, electromagnetic actuator device energy drive link around rotating pin rotate and the power output shaft driving brake component to hold turnover driving mechanism tightly with realize to the locking of the Power output shaft position of turnover driving mechanism or throw off turnover driving mechanism power output shaft to realize the unblock to the Power output shaft position of turnover driving mechanism.
The two ends of the mounting flange that rotating pin extends in support foundation 45 are provided with locking pin, rotating pin between locking pin and mounting flange is equipped with packing ring 4, packing ring 4 can avoid locking pin to wear and tear, and more effectively avoids rotating pin and in axial direction deviates from mounting flange.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, turnover driving mechanism comprises motor 33 and reductor 32, the rotating shaft of motor 33 drives with the power input shaft of reductor 32 and is connected, and the power output shaft of reductor 32 forms the power output shaft of turnover driving mechanism.Reductor 32 is fixedly connected in support foundation 45 by the screw 30 being equipped with packing ring 31, the torsion that the rotating shaft that reductor can improve motor 33 exports, and then guarantees that the kinetic force that turnover driving mechanism exports reaches the degree driving engine to rotate as required.Motor 33, electromagnetic brake 27 are electrically connected with electric cabinet 38, and can change rotating speed and the rotation direction of motor 33 by handling electric cabinet 38, the brake switch that also can control electromagnetic brake 27 is opened or closed.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, reductor 32 is gear reduction unit.It is little that gear reduction unit has volume, transmission efficiency advantages of higher.The utility model instead of by using gear reduction unit the worm-gear speed reducer used in prior art, reduces the volume of self-action upset vehicle frame, eliminates the cooling and lubricating device of reductor, improve the transmission efficiency of whole system simultaneously.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, engine upset vehicle frame also comprises foundation frame 5, and support foundation 45 is fixedly connected on foundation frame 5;
Foundation frame 5 is provided with the adjustable catcher support member 3 in position on castor 1 and vertical direction, the bottom of catcher support member 3 vertically passes foundation frame 5, the bottom of catcher support member 3 can move to the application position abutted against with ground, when catcher support member 3 is in application position, the distance that catcher support member 3 passes foundation frame 5 bottom surface is greater than the distance that castor 1 vertically extends foundation frame 5 bottom surface.
Catcher support member 3 can adopt with between foundation frame 5 form be threaded, and can be changed the position of catcher support member 3 in the vertical direction like this by the mode of rotation brake support member 3.When catcher support member 3 is in application position, support foundation 45 on whole foundation frame 5 and foundation frame 5 can support by it, to realize the object of braking, when catcher support member 3 unlocks, position rises catcher support member 3, castor 1 lands, and now as required engine can be overturn vehicle frame and move to required position.
To sum up, the optimal technical scheme that the utility model provides at least has following marked improvement:
1. in the connected mode of engine with assembling vehicle frame, the mode that the utility model adopts rectangle main support and arc support plate auxiliary phase to combine, main support and the front support case of engine 441 and symmetrical uniform 2 the primary load bearing points (being preferably distributed on 2 main keepers 43) of rear support case 442 and 2 auxiliary fulcrums (being preferably distributed on auxiliary positioning part 101), connection bracket 42 has two auxiliary fulcrums (being preferably distributed on connection assist 134) with the mounting edge of front support case 441, guarantee that connected mode meets commercial aviation engine feature with this.
2., at locking design aspect, this vehicle frame has three kinds to lock design:
One, on the power output shaft (or claim: main rotating shaft) of turnover driving mechanism, arrange electromagnetic brake 27, ensure 360 ° of unspecified angle self-lockings, electromagnetic brake 27 can also promote the accuracy and stability that turnover bracket 360 degree locates simultaneously.
Two, locking mechanism 36 is set in support foundation 45, each one of left and right, plays location and locking function;
Three, the runing rest that the first support 111, second support 112 is formed have employed " ten " word support 11, with 4 support rod body 2 supplemental support, ensures the safety and stability of the vertical and level of engine.
3. owing to employing electromagnetic brake 27, reductor 32 can not need auto-lock function, and therefore use gear reduction unit to replace worm-gear speed reducer, gear reduction unit has that volume is little, transmission efficiency advantages of higher.
Hereafter Fig. 1-Fig. 6 concentrates the process illustrating and install engine on the utility model engine upset vehicle frame by reference to the accompanying drawings:
1. determine that engine upset vehicle frame (hereafter can referred to as: vehicle frame) is in the fixed position of factory building, by castor 1 locomotor upset vehicle frame to suitable position, located by 8 catcher support member 3, prevent vehicle frame in operating process from sliding;
2. operate electric cabinet 38, open motor (being preferably YEJ motor) 33, regulate the angular position of " ten " word support 11, make immediately below connection bracket (being preferably with arc support) 42 one end is in, directly over band counterweight 39 (counterweight 39 uses when only support case 441 rotates separately before rollover stand band) end is in, plug position, school latch 40, be fixed with 4 support rod body 2 and 2 locking mechanisms 36;
3. front support case 441 is lifted on upset vehicle frame, be fixed by 2 main keepers 43 and 2 gripper shoes 13.
4. on vehicle frame, carry out engine assembly, the parts (now engine is in vertical state) such as installation high-voltage compressor, combustion chamber, high-pressure turbine, low-pressure turbine;
5. rear support case 442 is installed on engine, by support case 442 after 2 auxiliary positioning part 101 connecting engines on " ten " word support 11, fixes with Quick-release latch 8;
6. flip horizontal operation: open motor 33 by electric cabinet 38, rotate " ten " word support 11, counterclockwise by engine rotation 90 degree, engine is stopped operating when level, utilize position, school latch 40 to locate, by locking mechanism 36 and support rod body 2, " ten " word support 11 is fixed.After engine completes the assembling of this dress, before carrying out exterior line and annex assembling, engine need be turn to level, to carry out conduit and annex installation operation.
7. after completing the work such as outside installation, debugging, test until engine, dismantle or throw off Quick-release latch 8, main keeper 43 (i.e. locating shaft) and gripper shoe 13 that " ten " word support 11 is connected with engine, lifting engine, hangs vehicle frame by engine, and vehicle frame restores to the original state.Should ensure in turning operation process that position, school latch 40 can insert in each position, school through hole the moment, whether accurately detect the position of " ten " word support 11 with position, school latch 40 when often turning to a position.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values to illustrate the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if above-mentioned the utility model discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: releasably can be fixedly connected with and (such as use bolt or screw to connect, also can be understood as: non-removable being fixedly connected with (is such as riveted, welded, certainly, connection fastened to each other also can by integral type structure (such as use casting technique integrally formed create to be replaced (obviously cannot adopt except integrally formed technique.
In addition, apply in arbitrary technical scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent part, and also can be one of the forming manufacture technics separate part out.
If employ term " " center " in description of the present utility model, " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " etc., orientation or the position relationship of so above-mentioned term instruction are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the engine of instruction or hint indication overturns vehicle frame or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (12)
1. an engine bearing support body, is characterized in that, comprises the first support (111), the second support (112) and connection bracket (42), wherein:
Described connection bracket (42) is fixedly connected between described first support (111), described second support (112);
Described first support (111) and described second support (112) are provided with main keeper (43) and auxiliary positioning part (101) separately, described main keeper (43) are distributed with at least two primary load bearing points for applying support force or pulling force to described engine;
Described auxiliary positioning part (101) is distributed with at least two auxiliary fulcrums for applying support force or pulling force to described engine;
Described connection bracket (42) is installed with at least two connection assists (134), described connection assist (134) is distributed with at least two auxiliary fulcrums for applying support force or pulling force to described engine;
The support force that described auxiliary fulcrum applies described engine or pulling force are less than the support force or pulling force that described primary load bearing point applies described engine, described primary load bearing point, described auxiliary fulcrum all can carry described engine from the diverse location described engine circumferential direction separately, and at least part of described auxiliary fulcrum and described primary load bearing point can carry described engine from the diverse location described engine axial direction.
2. engine bearing support body according to claim 1, it is characterized in that, also detachably be fixedly connected with counterweight (39) between described first support (111), described second support (112), the outline of frame structure that described first support (111), described second support (112), described connection bracket (42) and described counterweight (39) four are formed jointly or the orthographic projection of Internal periphery in the vertical direction are rectangle.
3. engine bearing support body according to claim 1, it is characterized in that, described connection bracket (42) is arc support plate, and the female parts of described connection bracket (42) forms the spatial accommodation that can embed at least part of region of described engine.
4. engine bearing support body according to claim 1, it is characterized in that, described main keeper (43) is the adjustable locating shaft of axial location, and described main keeper (43) can be adjusted to the position in the locating hole of the front support case (441) being plugged on described engine;
Wherein one end and described first support (111) of the upper described auxiliary positioning part (101) arranged of described first support (111) are rotatably connected, wherein one end and described second support (112) of the upper described auxiliary positioning part (101) arranged of described second support (112) are rotatably connected, the wherein other end that the described auxiliary positioning part (101) of the described auxiliary positioning part (101) that described first support (111) is above arranged and the upper setting of described second support (112) is respective is detachably fixedly connected with the rear support case (442) of described engine,
Described connection assist (134) wherein one end is fixedly connected with described connection bracket (42), and described connection assist (134) the wherein other end is detachably fixedly connected with the front support case (441) of described engine.
5. engine bearing support body according to claim 1, it is characterized in that, described connection assist (134) comprises support pedestal (24) and gripper shoe (13), described support pedestal (24) is detachably fixedly connected with described connection bracket (42), described support pedestal (24) and the connected mode of described gripper shoe (13) be along engine axis and/or be detachably fixedly connected with apart from adjustable between the two in the radial direction, described gripper shoe (13) is detachably fixedly connected with the front support case (441) of described engine.
6. according to the arbitrary described engine bearing support body of claim 2-5, it is characterized in that, be describedly detachably fixedly connected as pinned connection or bolt connects.
7. an engine upset vehicle frame, is characterized in that, comprises support foundation (45) and the arbitrary described engine bearing support body of claim 1-6, wherein:
Described first support (111) and described second support (112) are all rotatably connected with described support foundation (45) separately, and described first support (111) and described second support (112) can drive the described engine carried by described primary load bearing point and described auxiliary fulcrum to do 360 ° around described support foundation (45) rotates;
Described first support (111) can drive described engine that the axial direction of described engine is overlapped with vertical direction when turning to erection position with described second support (112), described engine can be driven to make the axial direction of described engine vertical with vertical direction when described first support (111) turns to horizontal level with described second support (112).
8. engine upset vehicle frame according to claim 7, is characterized in that, described engine upset vehicle frame also comprises school bit architecture, and described school bit architecture comprises position, school through hole and can embed the position, school latch (40) in the through hole of position, described school, wherein:
Upper or the described support foundation (45) of described support foundation (45) and described first support (111) and described second support (112) are provided with position indicator hole separately;
When described first support (111) and described second support (112) turn to erection position and horizontal level, the axial direction of the position indicator hole on described first support (111) and described first support (111) both one of them all can coincide jointly to form position, described school through hole with the axial direction of the position indicator hole in described support foundation (45).
9. engine upset vehicle frame according to claim 7, it is characterized in that, described support foundation (45) is also provided with locking mechanism (36), when described first support (111) and described second support (112) turn to erection position and horizontal level, described first support (111) and described second support (112) all can be locked in described support foundation (45) by described locking mechanism (36).
10. engine upset vehicle frame according to claim 9, it is characterized in that, the first grip slipper (361), the second grip slipper (362) that described locking mechanism (36) comprises installation shaft (360) and is fixedly connected with the two ends on described installation shaft (360) axial direction respectively, wherein:
Described support foundation (45) comprises the first pedestal and the second pedestal, and described first support (111) and described first pedestal are rotatably connected, and described second support (112) and described second pedestal are rotatably connected;
Both described first support (111) and described second support (112) include first body of rod and second body of rod separately, and described second body of rod is connected with described first body of rod is vertical;
Described connection bracket (42) is fixedly connected between first body of rod (1111) of described first support (111) and first body of rod (1121) of described second support (112); Or described connection bracket (42) is fixedly connected between second body of rod (1112) of described first support (111) and second body of rod (1122) of described second support (112);
Described installation shaft (360) is rotatably connected with described first pedestal or described second pedestal;
Described first grip slipper (361) and the upper clamping screw rod (363) that has all been threaded separately of described second grip slipper (362), described clamping screw rod (363) can turn to the position of described first body of rod or described second body of rod being clamped relative to described first grip slipper (361) or described second grip slipper (362).
11. engine upset vehicle frames according to claim 10, it is characterized in that, described engine upset vehicle frame also comprises support rod body (2), the supporting disk that described support rod body (2) comprises support bar and is fixedly connected with described support bar, described support bar forms support end away from one end of described supporting disk, when described first support (111) and described second support (112) turn to erection position or horizontal level, described first body of rod is positioned at the part that the part of described second body of rod both sides or described second body of rod be positioned at the first body of rod both sides and is pressed on described support end.
12. according to claim 7-11 arbitrary described engine upset vehicle frame, it is characterized in that, described engine upset vehicle frame also comprises turnover driving mechanism and electromagnetic brake (27), and the power output shaft of described turnover driving mechanism drives described engine bearing support body to rotate relative to described support foundation (45) by transmission mechanism;
The described support foundation (45) that is arranged on described electromagnetic brake (27) goes up and its brake component is arranged on around the power output shaft of described turnover driving mechanism, lock the power output shaft of described turnover driving mechanism when described electromagnetic brake (27) brake switch is opened by described brake component, when described electromagnetic brake (27) brake switch is closed, described brake component removes the locking to the power output shaft of described turnover driving mechanism.
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| CN201520274426.6U CN204657857U (en) | 2015-04-30 | 2015-04-30 | Engine bearing support body and engine upset vehicle frame |
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| CN201520274426.6U CN204657857U (en) | 2015-04-30 | 2015-04-30 | Engine bearing support body and engine upset vehicle frame |
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| CN105882698A (en) * | 2016-04-06 | 2016-08-24 | 中国南方航空工业(集团)有限公司 | Tooling trolley for radiographic detection of casing part of aeroengine |
| CN106315452A (en) * | 2016-10-11 | 2017-01-11 | 江苏理工学院 | Automatic disassembling device of automobile engine |
| CN107538177A (en) * | 2017-10-10 | 2018-01-05 | 唐山开元自动焊接装备有限公司 | A kind of handling gripper and method by gravity self-locking |
| CN110310574A (en) * | 2019-06-28 | 2019-10-08 | 苏州精濑光电有限公司 | A kind of turnover mechanism |
| CN110524497A (en) * | 2019-09-24 | 2019-12-03 | 俊杰机械(深圳)有限公司 | A kind of Hanging Basket overturning locking device |
| CN112145285A (en) * | 2020-08-14 | 2020-12-29 | 武汉司南翼航航空工程技术有限责任公司 | Low-oil-consumption long-endurance aircraft engine |
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| CN106315452A (en) * | 2016-10-11 | 2017-01-11 | 江苏理工学院 | Automatic disassembling device of automobile engine |
| CN106315452B (en) * | 2016-10-11 | 2018-08-28 | 江苏理工学院 | A kind of automobile engine automatic disassembling device |
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| CN107538177A (en) * | 2017-10-10 | 2018-01-05 | 唐山开元自动焊接装备有限公司 | A kind of handling gripper and method by gravity self-locking |
| CN110310574A (en) * | 2019-06-28 | 2019-10-08 | 苏州精濑光电有限公司 | A kind of turnover mechanism |
| CN110524497A (en) * | 2019-09-24 | 2019-12-03 | 俊杰机械(深圳)有限公司 | A kind of Hanging Basket overturning locking device |
| CN110524497B (en) * | 2019-09-24 | 2024-03-26 | 俊杰机械(深圳)有限公司 | Hang basket upset locking device |
| CN113941836A (en) * | 2020-07-17 | 2022-01-18 | 中国航发商用航空发动机有限责任公司 | Overturning bracket and overturning system |
| CN112145285A (en) * | 2020-08-14 | 2020-12-29 | 武汉司南翼航航空工程技术有限责任公司 | Low-oil-consumption long-endurance aircraft engine |
| CN112345255A (en) * | 2020-10-29 | 2021-02-09 | 中国航发南方工业有限公司 | Complete machine process test run rack of turboshaft engine |
| CN112461525A (en) * | 2020-11-20 | 2021-03-09 | 中国直升机设计研究所 | Unmanned helicopter engine mounting bracket test device |
| CN113959725A (en) * | 2021-09-15 | 2022-01-21 | 四川航天中天动力装备有限责任公司 | Semi-automatic foreign matter detection device of gas turbine engine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee after: China Hangfa commercial aviation engine limited liability company Address before: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee before: AVIC Commercial Aircraft Engine Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |