CN112124642A

CN112124642A - Automatic rolling bracket

Info

Publication number: CN112124642A
Application number: CN202010910122.XA
Authority: CN
Inventors: 赵双龙; 丁伟; 王辉; 高�浩; 刘汉武; 陈璐; 谢克峰
Original assignee: General Designing Institute of Hubei Space Technology Academy
Current assignee: General Designing Institute of Hubei Space Technology Academy
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2020-12-25

Abstract

The application relates to an automatic rolling bracket, which relates to the technical field of aerospace and aviation and comprises a supporting main shell and a chain type driving mechanism, wherein a top plate of the supporting main shell is provided with an upward arc-shaped opening; chain actuating mechanism contains roll motor and chain subassembly, the chain subassembly set up in support the main casing, and partial chain subassembly is followed the arc opening is arranged, the roll motor is used for driving the chain subassembly rotates. The automatic rolling bracket can play a role in supporting the carrier rocket and can realize the automatic overturning function of the carrier rocket at any time and any place.

Description

Automatic rolling bracket

Technical Field

The application relates to the technical field of aviation and aerospace, in particular to an automatic rolling bracket.

Background

When a large-sized carrier rocket is stored, the most important thing is that the central shaft of the rocket needs to be kept horizontal and needs to be rotated regularly, so that the fuel in the engine is prevented from being distributed unevenly in a certain direction downwards for a long time.

In the related art, large-sized launch vehicles are generally stored using a beam-type support bracket which is formed by assembling a plurality of beams and longitudinal beams and has a groove for storing the rocket and facing upward.

However, the cross beam type supporting bracket is adopted to store the rocket, the carrier rocket needs to be rotated manually at regular intervals, and a large amount of manpower and material resources are consumed for each rotation.

Disclosure of Invention

The embodiment of the application provides an automatic roll-over bracket, can play the effect of supporting the carrier rocket, can realize the automatic function of overturning of carrier rocket anytime and anywhere again.

The application provides an automatic roll bracket, its characterized in that contains: a supporting main housing having a top plate with an upwardly curved opening; chain drive mechanism, it contains roll motor and chain subassembly, the chain subassembly set up in support the main casing is internal, and partial chain subassembly is followed arc open-ended border is arranged, the roll motor is used for driving the chain subassembly rotates.

In some embodiments, the chain assembly further comprises chain segments, link plates, and elastic support plates, wherein a plurality of chain segments are connected into a chain loop by the link plates, one elastic support plate is correspondingly arranged on the outer surface of each chain segment, and the plurality of elastic support plates form an elastic support ring around the periphery of the chain segment.

In some embodiments, the chain driving mechanism further includes a rolling reducer, the rolling motor and the rolling reducer are both fixed on the side plate of the supporting main shell, and the rolling motor drives the chain assembly to rotate after being reduced by the rolling reducer.

In some embodiments, the support main housing is flat, comprising two large area side plates; the chain type driving mechanism further comprises a driving wheel assembly, a driven wheel assembly and two tensioning wheel assemblies, wherein the driving wheel assembly, the driven wheel assembly and the two tensioning wheel assemblies are vertically and rotatably fixed between the two large-area side plates and meshed with the chain assemblies; two of the tension pulley assemblies are adjacent the inside of the base plate supporting the main housing.

In some embodiments, the tension wheel assembly is adjustable in height at the side plates of the support main housing.

In some embodiments, the auto-roll bracket further comprises a lift assembly comprising a bracket body, the bracket body being a shell structure disposed within the main support shell, the bracket body being movable up and down relative to the main support shell, and a top arc of the bracket body matching the arc opening.

In some embodiments, the lifting assembly further comprises a pair of symmetrically arranged swing arm support assemblies, each swing arm support assembly comprises a base and a swing arm plate, the base is mounted at the bottom of the support main shell, the bottom end of the swing arm plate is hinged to the base, and the top end of the swing arm plate is fixed to the bracket body; the bracket body is lifted along with the approaching or separating of the two swing arm plates.

In some embodiments, the swing arm mount assembly further comprises a rail secured to the base plate supporting the main housing, the base being slidable along the rail;

the lifting assembly further comprises a driving motor, a speed reducer and a forward and backward screw rod, and the forward and backward screw rod penetrates through the two swing arm plates; the driving motor drives the forward and backward screw rod to rotate through the speed reducer, and the forward and backward screw rod drives the two swing arm plates to be close to or far away from the two swing arm plates.

In some embodiments, the two swing arm plates are further fixedly provided with swing nuts, and the swing nuts are in threaded connection with the forward and reverse screw rods.

In some embodiments, the support main housing is an inverted isosceles trapezoid, and the length of the arc-shaped opening is less than the length of the top edge of the inverted isosceles trapezoid.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides an automatic rolling bracket, which comprises a supporting main shell and a chain type driving mechanism, wherein a top plate of the supporting main shell is provided with an upward arc-shaped opening, a chain assembly is arranged in the supporting main shell, and the chain assembly is arranged along the arc-shaped opening; when large-scale carrier rocket placed on the automatic bracket that rolls over, support the main casing body and can support carrier rocket, the chain subassembly of arc opening part is direct to be in contact with large-scale carrier rocket surface simultaneously, and the motor that rolls over drives the chain subassembly and rotates, and then drives carrier rocket and rotate, can not only play the effect of supporting carrier rocket, can also realize carrying out carrier rocket's automatic upset anytime and anywhere, has saved a large amount of manpower and materials for traditional crossbeam formula support bracket.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of an auto-roll receptacle provided in accordance with an embodiment of the present application;

fig. 2 is a schematic structural diagram of a chain drive mechanism provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a lift assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a bracket body of the lift assembly according to an embodiment of the present disclosure;

reference numerals: 1. supporting the main housing; 2. a chain drive mechanism; 3. a lifting assembly; 4. a chain assembly; 41. a chain segment; 42. a chain link connecting plate; 43. an elastic support plate; 5. a drive wheel assembly; 6. a driven wheel assembly; 7. a tension wheel assembly; 8. rolling the speed reducer; 9. a rolling motor; 31. a bracket body; 32. a swing arm support assembly; 33. a forward and reverse screw rod; 34. swinging the nut; 35. a speed reducer; 36. a drive motor; 320. a base; 321. a swing arm plate; 322. a track.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1, the present application discloses an embodiment of an auto-roll cradle comprising a supporting main housing 1 and a chain drive 2, the top plate of the supporting main housing 1 having an upwardly curved opening for supporting a launch vehicle. The chain drive 2 includes a roll motor 9 and a chain assembly 4, the chain assembly 4 being disposed within the support main housing 1. The chain assembly 4 is in a closed loop and rotates within the supporting main housing 1. Part of the chain assemblies 4 are arranged along the edge of the arc-shaped opening, and the rolling motor 9 is used for driving the chain assemblies 4 to rotate and driving the carrier rocket arranged at the arc-shaped opening to automatically turn over, so that the phenomenon that fuel in the engine is unevenly distributed due to the fact that the fuel faces downwards in a certain direction for a long time is avoided.

As shown in fig. 2, further, the chain assembly 4 further comprises chain segments 41, link connecting plates 42 and elastic supporting plates 43, the plurality of chain segments 41 being connected into a chain loop by the link connecting plates 42. When the carrier rocket needs to turn, the chain ring is driven by the rolling motor 9. The outer surface of each chain section 41 is correspondingly provided with one elastic supporting plate 43, the elastic supporting plates 43 form elastic supporting rings which are wound on the periphery of the chain section 41, the elastic supporting rings rotate along with the rotation of the chain rings, the elastic supporting rings can support the carrier rocket more softly, the friction coefficient is increased, and the scratches to the side wall of the carrier rocket when the carrier rocket is driven to rotate are reduced.

Preferably, the elastic support plate 43 is made of a rubber material with a high friction factor, so as to further enhance the friction coefficient.

Further, the chain type driving mechanism 2 further comprises a rolling speed reducer 8, the rolling motor 9 and the rolling speed reducer 8 are both fixed on a side plate of the supporting main shell 1, and the rolling motor 9 drives the chain assembly 4 to rotate after being decelerated by the rolling speed reducer 8.

As shown in fig. 1 and 2, the supporting main casing 1 is flat, and the supporting main casing 1 includes a top plate, a bottom plate, two large-area side plates, and two small-area side plates. Chain drive mechanism 2 still contains action wheel subassembly 5, follows driving wheel subassembly 6 and two take-up pulley subassemblies 7, and action wheel subassembly 5, follow driving wheel subassembly 6 and two take-up pulley subassemblies 7 all perpendicular rotatable be fixed in support between two large tracts of land curb plates of main casing body 1 to action wheel subassembly 5, follow driving wheel subassembly 6 and two take-up pulley subassemblies 7 all mesh with chain subassembly 4. The driving wheel assembly 5 is connected with the rolling speed reducer 8, when the rolling motor 9 rotates, the rolling speed reducer 8 drives the driving wheel assembly 5 to rotate, after the driving wheel assembly 5 rotates, the chain assembly 4 rotates, and the driven wheel assembly 6 and the two tensioning wheel assemblies 7 rotate along with the rotation.

The driving wheel assembly 5 and the driven wheel assembly 6 are respectively arranged at two sides of the chain assembly 4 arranged along the edge of the arc-shaped opening; two tension wheel assemblies 7 are adjacent the inside of the floor supporting the main housing 1. Driving wheel assembly 5, follow driving wheel assembly 6 and two take-up pulley assemblies 7 support chain assembly 4's four angles for chain assembly 4 can keep unanimous with the arc opening in the part of arc opening, and have good rotation performance.

Specifically, any one of the driving pulley assembly 5, the driven pulley assembly 6 and the two tensioning pulley assemblies 7 comprises a rotating shaft which is rotatable relative to the support main housing 1 and two gears which are engaged with the chain assembly 4.

As shown in fig. 1 and 2, preferably the tension wheel assemblies 7 are adjustable in height supporting the side plates of the main housing 1, i.e. the height of both tension wheel assemblies 7 can be changed by changing the height of the rotation shaft. When the heights of the two tension wheel assemblies 7 become higher, the lengths of the chain assemblies 4 at the bottom edge and the side edge are shortened, the lengths of the chain assemblies 4 at the arc-shaped opening are lengthened, and the lowest points of the arc-shaped parts of the chain assemblies 4 sink; conversely, as the height of the two tension pulley assemblies 7 becomes lower, the length of the chain assembly 4 at the arcuate opening becomes shorter and the lowest point of the arcuate portion of the chain assembly 4 rises. This application is through changing the height of two take-up pulley subassemblies 7, can slightly change the radian that chain subassembly 4 is located the arc opening part, can adapt to bearing and rotating of different external diameter carrier rockets for the use of the automatic bracket that rolls over of this application is more nimble.

As shown in fig. 3, the auto-rolling bracket further includes a lifting assembly 3, the lifting assembly 3 includes a bracket body 31, the bracket body 31 is a housing structure disposed in the supporting main housing 1, the bracket body 31 can move up and down relative to the supporting main housing 1, and the top radian of the bracket body 31 matches with the arc-shaped opening. When the automatic rolling bracket is used for supporting, the bracket body 31 of the lifting assembly 3 is propped against the lower surface of the chain assembly 4 to provide supporting force for supporting the carrier rocket; when the automatic rolling bracket drives the carrier rocket to turn, the bracket body 31 of the lifting assembly 3 descends to be away from the lower surface of the chain assembly 4, so that the chain assembly 4 can rotate conveniently.

As shown in fig. 4, in one embodiment, the lifting assembly 3 further comprises a pair of symmetrically disposed swing arm support assemblies 32, each swing arm support assembly 32 comprises a base 320 and a swing arm plate 321, the base 320 is mounted at the bottom of the supporting main housing 1, the bottom ends of the swing arm plates 321 are hinged to the base 320, and the top ends of the swing arm plates 321 are fixed to the bracket body 31; the cradle body 31 is lifted and lowered with the two swing arm plates 321 approaching or departing.

In one embodiment, the swing arm support assembly 32 further comprises rails 322, the rails 322 being fixed to the base plate supporting the main housing 1, the base 320 being slidable along the rails 322; the lifting assembly 3 further comprises a driving motor 36, a speed reducer 35 and a forward and backward screw rod 33, wherein the forward and backward screw rod 33 penetrates through the two swing arm plates 321; the driving motor 36 drives the forward and backward screw rod 33 to rotate through the speed reducer 35, and the forward and backward screw rod 33 drives the two swing arm plates 321 to approach or separate from each other.

In the actual control process, the driving motor 36 drives the forward and reverse screw rod 33 to rotate through the speed reducer 35, the two swing arm plates 321 slide along the rail 322, and the two swing arm plates 321 approach or move away from each other. When the two swing arm plates 321 approach each other, the bracket body 31 descends; when the two swing arm plates 321 are moved away from each other, the cradle body 31 is lifted. The lifting assembly 3 of the application controls the swing arm plate 321 through the driving motor 36, the speed reducer 35 and the forward and backward screw rod 33, so that the lifting of the bracket body 31 is controlled flexibly, and the automatic rolling bracket can have stable supporting performance and rolling performance.

Further, two swing arm plates 321 are also fixedly provided with swing nuts 34, and the swing nuts 34 are in threaded connection with the forward and backward screw rod 33, so that the relative movement between the forward and backward screw rod 33 and the swing arm plates 321 is more flexible.

Preferably, the support main housing 1 is an inverted isosceles trapezoid, and the length of the arc-shaped opening is less than the length of the top edge of the inverted isosceles trapezoid. The support main casing body 1 of the inverted isosceles trapezoid body can not only provide a larger arc-shaped opening support surface, but also reduce the dead weight as much as possible. In this case, chain assembly 4 includes four sides, a top side being an arcuate side, a bottom side being horizontal, and the bottom side being at an obtuse angle to both sides.

The automatic rolling bracket comprises a supporting main shell 1 and a chain type driving mechanism 2, wherein a top plate of the supporting main shell 1 is provided with an upward arc-shaped opening, a chain assembly 4 is arranged in the supporting main shell 1, and the chain assembly 4 is arranged along the arc-shaped opening; when a large carrier rocket is placed on the automatic rolling support seat, the supporting main shell body 1 can support the carrier rocket, meanwhile, the chain assembly 4 with the elastic supporting plate 43 at the arc-shaped opening is directly contacted with the outer surface of the large carrier rocket, the rolling motor 9 drives the chain assembly 4 to rotate, and then the carrier rocket is driven to rotate.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An auto-rolling bracket, comprising:

a supporting main casing (1) whose top plate has an upwardly curved opening;

chain drive mechanism (2), it contains roll motor (9) and chain subassembly (4), chain subassembly (4) set up in support main casing body (1), and partial chain subassembly (4) are followed arc open-ended border is arranged, roll motor (9) are used for the drive chain subassembly (4) rotate.

2. The auto-roll bracket of claim 1 wherein: the chain assembly (4) further comprises chain sections (41), link connecting plates (42) and elastic supporting plates (43), the chain sections (41) are connected into a chain ring through the link connecting plates (42), one elastic supporting plate (43) is correspondingly arranged on the outer surface of each chain section (41), and the elastic supporting plates (43) form elastic supporting rings which are wound on the peripheries of the chain sections (41).

3. The auto-roll bracket of claim 1 wherein: chain actuating mechanism (2) still contain roll reduction gear (10), roll motor (9) and roll reduction gear (10) are all fixed support on the curb plate of main casing body (1), roll motor (9) drive after roll reduction gear (10) speed reduction chain subassembly (4) rotate.

4. The auto-roll bracket of claim 3 wherein: the supporting main shell (1) is flat and comprises two large-area side plates; the chain type driving mechanism (2) further comprises a driving wheel assembly (5), a driven wheel assembly (6) and two tensioning wheel assemblies (7), wherein the driving wheel assembly (5), the driven wheel assembly (6) and the two tensioning wheel assemblies (7) are vertically and rotatably fixed between the two large-area side plates and are meshed with the chain assembly (4), the driving wheel assembly (5) is connected with the rolling speed reducer (8), and the driving wheel assembly (5) and the driven wheel assembly (6) are respectively arranged on two sides of the chain assembly (4) arranged along the edge of the arc-shaped opening; two of the tension wheel assemblies (7) are adjacent to the inside of the bottom plate of the supporting main shell (1).

5. The auto-roll bracket of claim 4 wherein: the height of the tension wheel assembly (7) on the side plate of the supporting main shell (1) is adjustable.

6. The auto-roll bracket of claim 1 wherein: automatic roll bracket still contains lifting assembly (3), lifting assembly (3) contain bracket body (31), bracket body (31) are for setting up support the shell structure in the main casing body (1), bracket body (31) can for support the main casing body (1) up-and-down motion, just the top radian of bracket body (31) with the arc opening phase-match.

7. The auto-roll bracket of claim 6 wherein: the lifting assembly (3) further comprises a pair of swing arm support assemblies (32) which are symmetrically arranged, each swing arm support assembly (32) comprises a base (320) and a swing arm plate (321), the bases (320) are mounted at the bottom of the supporting main shell (1), the bottom ends of the swing arm plates (321) are hinged to the bases (320), and the top ends of the swing arm plates (321) are fixed to the bracket body (31); the bracket body (31) is lifted along with the approaching or separating of the two swing arm plates (321).

8. The auto-roll bracket of claim 7 wherein: the swing arm support assembly (32) further comprises a rail (322), the rail (322) is fixed on the bottom plate of the support main shell (1), and the base (320) can slide along the rail (322);

the lifting assembly (3) further comprises a driving motor (36), a speed reducer (35) and a forward and reverse screw rod (15), and the forward and reverse screw rod (15) penetrates through the two swing arm plates (321); the driving motor (36) drives the forward and backward screw rod (15) to rotate through the speed reducer (35), and the forward and backward screw rod (15) drives the two swing arm plates (321) to be close to or far away from each other.

9. The auto-roll bracket of claim 8 wherein: two swing arm boards (321) are also fixedly provided with swing nuts (34), and the swing nuts (34) are in threaded connection with the forward and reverse screw rods (15).

10. The auto-roll cradle according to any one of claims 1-9, wherein: the support main casing body (1) is an inverted isosceles trapezoid body, and the length of the arc-shaped opening is smaller than that of the top edge of the inverted isosceles trapezoid body.