CN212267875U

CN212267875U - Underwater rolling support device

Info

Publication number: CN212267875U
Application number: CN202020699669.5U
Authority: CN
Inventors: 张玉美; 李瑞贤; 庞学丰; 贾星
Original assignee: Tianjin Aerospace Electromechanical Equipment Research Institute
Current assignee: Tianjin Aerospace Electromechanical Equipment Research Institute
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-01
Anticipated expiration: 2030-04-29

Abstract

The utility model provides an use roll strutting arrangement under water, including gyro wheel, No. two gyro wheels, wheel carrier, pivot subassembly, connecting seat, gyro wheel and No. two gyro wheels are respectively through pivot subassembly fixed mounting to wheel carrier, and the wheel carrier bottom is connected to the connecting seat through the load axle, and the connecting seat bottom is equipped with insulating assembly, all is equipped with the slotted hole that is used for the fixed training cabin body on gyro wheel, No. two gyro wheels, and the wheel carrier is equipped with the pinhole that is used for fixed gyro wheel, is used for the pinhole of No. two gyro wheels of fixed. The utility model discloses not only can play the effect of the supporting cabin body, have moreover and the insulating measure between the cabin body, reduce the corrosion rate of the cabin body under water, this device has 2 degrees of freedom self-interacting abilities, can adapt to the cabin body because manufacturing error causes length variation, simultaneously, can the circularity of the self-adaptation cabin body, the device makes cabin body rotation easy operation, has shortened astronaut training time under water greatly.

Description

Underwater rolling support device

Technical Field

The utility model belongs to the aerospace field especially relates to use roll strutting arrangement under water.

Background

The zero gravity test of the underwater simulation astronaut in China just starts, the axis of the simulation cabin body and the bottom of the water tank are required to be placed in the water tank in parallel in the zero gravity simulation astronaut out-of-cabin test process, the cabin body needs to rotate 360 degrees along the axis in the test process and is locked at any rotating position, meanwhile, the weight of the cabin body needs to be supported, and therefore the function is realized by using a set of underwater rolling support device.

Disclosure of Invention

In view of this, the utility model aims at providing use rolling strutting arrangement under water, can be under water with the astronaut training cabin body along 360 rotations of axis, not only can play the effect of supporting the cabin body, and have and the insulating measure between the cabin body, reduce the corrosion rate of the cabin body under water, this device has 2 degrees of freedom self-interacting abilities, can adapt to the cabin body because manufacturing error causes length variation, and simultaneously, the circularity of the cabin body that can self-adaptation, the device makes cabin body rotation easy operation, the astronaut training time under water has been shortened greatly.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the rolling support device used underwater comprises a first roller, a second roller, a wheel carrier, a rotating shaft assembly and a connecting seat, wherein the first roller and the second roller are fixedly arranged on the wheel carrier through the rotating shaft assembly respectively, the bottom of the wheel carrier is connected to the connecting seat through a force bearing shaft,

the first idler wheel and the second idler wheel are respectively provided with a long round hole for fixing the training cabin, and the wheel carrier is provided with a first pin hole for fixing the first idler wheel and a second pin hole for fixing the second idler wheel.

Furthermore, the first roller and the second roller are identical in structure, a groove is formed in the circumferential surface of the first roller, a plurality of long round holes are uniformly formed in the side walls of the two sides of the groove around the edge of the first roller, a first stepped hole is formed in the middle of the first roller, and a plurality of first fixing holes are uniformly formed around the first stepped hole; no. two gyro wheels middle part is equipped with No. two shoulder holes, evenly is equipped with a plurality of No. two fixed orificess around No. two shoulder holes.

Further, the whole triangle-shaped structure that is of wheel carrier, including a set-square, No. two set-squares, a spliced pole, No. two spliced poles and No. three spliced poles, No. one the first end of set-square is connected to No. two set-squares through a spliced pole, No. two spliced poles, and in the one side relative with the first end of a set-square, a set-square forms the wheel carrier through No. three spliced pole fixed connection to No. two set-squares.

Furthermore, the first triangular plate and the second triangular plate are identical in structure, the first triangular plate is provided with a first through hole opposite to the first stepped hole, one side of the first through hole is provided with a first pin hole corresponding to the first fixing hole, and a second through hole opposite to the second stepped hole, the first through hole and the second through hole are symmetrical along the central line of the wheel carrier, and a bearing shaft connecting hole is arranged below the first triangular plate; the rotating shaft assembly comprises a first bearing, a second bearing and a connecting rotating shaft, the first bearing and the second bearing are respectively installed at two ends of the first stepped hole, and the connecting rotating shaft penetrates through the first through hole and the first stepped hole to realize the fixed connection of the first roller and the wheel carrier; a pin post passes through a pin hole and a fixing hole to fix a roller relative to the wheel carrier.

Furthermore, the number of the first pin holes is 2, and the first pin holes correspond to the first pin columns one by one.

Furthermore, the two ends of the rotating shaft are in a hexagonal structure, and the crank can be detachably connected to one end of the rotating shaft.

Furthermore, bearing end covers are arranged on two sides of the first through hole of the wheel frame.

Furthermore, a second pin column is arranged on the long round hole of the first roller, the second pin column is of an L-shaped structure, and a thread used for installing a nut is arranged at one end, far away from the bending, of the second pin column.

Further, the connecting seat comprises a base and a stand column, the stand column is fixedly installed in the center of the base and provided with a stand column through hole, the stand column axially penetrates through the middle positions of the first connecting column and the second connecting column, the bearing shaft penetrates through the stand column through hole and the wheel carrier, the connection between the wheel carrier and the connecting seat is achieved, and the wheel carrier rotates relative to the connecting seat.

Further, the four corners of the base are respectively provided with a bolt, the bottom of the connecting seat is provided with an insulating assembly, the insulating assembly comprises an insulating pad and an insulating sleeve, the insulating pad is arranged on the lower surface of the base, and the insulating sleeve is arranged on each bolt.

Compared with the prior art, use roll strutting arrangement under water have following advantage:

(1) use rolling strutting arrangement under water, have 2 degrees of freedom self-interacting ability, can adapt to the cabin body because manufacturing error causes length variation, simultaneously, can the circularity of the self-adaptation cabin body, the device makes the rotatory easy operation in the cabin body, has shortened astronaut training time under water greatly.

(2) Use roll strutting arrangement under water, because the cabin body bears the frame and uses different kind of metal with lower connecting seat, in order to prevent electrochemical corrosion, utilize insulating pad to bear the frame with the cabin body and insulate with lower connecting seat support, slow down the corrosion rate of the cabin body and cabin body bearing frame in the basin.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a rolling support device for underwater use according to an embodiment of the present invention;

fig. 2 is a schematic view of a first roller according to an embodiment of the present invention;

fig. 3 is a schematic view of a wheel carrier according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection seat according to an embodiment of the present invention.

Description of reference numerals:

1. a first roller; 11. a long round hole; 12. a first stepped hole; 13. a first fixing hole; 2. a second roller; 3. a wheel carrier; 31. a first set square; 32. a second set square; 33. a first connecting column; 34. a second connecting column; 35. a third connecting column; 36. a first through hole; 37. a first pin hole; 38. a bearing shaft connecting hole; 4. a rotating shaft assembly; 5. a connecting seat; 51. a base; 52. a column; 53. a column through hole; 6. a bearing shaft; 7. a pin column I; 8. a second pin; 9. an insulating assembly.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The underwater rolling support device, as shown in fig. 1 to 4, comprises a first roller 1, a second roller 2, a wheel frame 3, a rotating shaft assembly 4 and a connecting seat 5, wherein the first roller 1 and the second roller 2 are respectively fixedly installed on the wheel frame 3 through the rotating shaft assembly 4, the bottom of the wheel frame 3 is connected to the connecting seat 5 through a bearing shaft 6,

the first roller 1 and the second roller 2 are respectively provided with a long round hole 11 for fixing the training cabin, and the wheel carrier 3 is provided with a first pin hole 37 for fixing the first roller 1 and a second pin hole for fixing the second roller 2.

The structure of the first roller 1 and the second roller 2 is the same, the circumferential surface of the first roller 1 is provided with a groove, preferably, the surface of the groove is provided with polyurethane rubber, the friction force between the first roller 1 and the second roller 2 and the cabin body is increased, the side walls at two sides of the groove are uniformly provided with a plurality of long round holes 11 around the edge of the first roller 1, the middle part of the first roller 1 is provided with a first stepped hole 12, and a plurality of first fixing holes 13 are uniformly arranged around the first stepped hole 12; no. 2 middle parts of gyro wheels are equipped with No. two shoulder holes, evenly are equipped with a plurality of No. two fixed orificess around No. two shoulder holes.

The whole triangle-shaped structure that is of wheel carrier 3, including a set-square 31, No. two set-squares 32, a spliced pole 33, No. two spliced poles 34 and No. three spliced poles 35, No. two set-squares 32 are connected to through a spliced pole 33, No. two spliced poles 34 to the first end of a set-square 31, and in the one side relative with the first end of a set-square 31, No. one set-square 31 is through No. three spliced poles 35 fixed connection to No. two set-squares 32, forms wheel carrier 3.

The first triangular plate 31 and the second triangular plate 32 are identical in structure, the first triangular plate 31 is provided with a first through hole 36 opposite to the first stepped hole 12, one side of the first through hole 36 is provided with a first pin hole 37 corresponding to the first fixing hole 13, and a second through hole opposite to the second stepped hole, the first through hole and the second through hole are symmetrical along the center line of the wheel carrier, and a bearing shaft connecting hole 38 is arranged below the first triangular plate; the rotating shaft assembly 4 comprises a first bearing, a second bearing and a connecting rotating shaft, the first bearing and the second bearing are respectively installed at two ends of the first stepped hole 12, and the connecting rotating shaft penetrates through the first through hole 36 and the first stepped hole 12 to realize the fixed connection of the first roller 1 and the wheel carrier 3; the first pin column 7 penetrates through the first pin hole 37 and the first fixing hole 13 to fix the first roller 1 relative to the wheel carrier 3, so that the cabin body is prevented from rotating in the operation process of a spaceman; the first bearing and the second bearing are arranged, so that the friction force between the rotating shaft and the wheel carrier 3 is reduced, and labor is saved during manual cabin turning.

The number of the first pin holes 37 is 2, the first pin holes 37 correspond to the first pin columns 7 one by one, after the cabin rotates in place underwater, and after the cabin is installed in place, the first pin columns 7 are used for restraining the rolling freedom degrees of the first idler wheels 1 and the second idler wheels 2 relative to the wheel carrier 3, so that the safety of cabin fixing is improved.

The pivot both ends are hexagonal head structure, and the crank can be dismantled the one end that is connected to the pivot, increase and crank cohesion, and the crank can be installed to the pivot tip and the countershaft rotates.

Bearing end covers are arranged on two sides of the first through hole 36 of the wheel frame 3 to protect the bearings and prolong the service life.

Be equipped with No. two round pin posts 8 on gyro wheel 1's the slotted hole 11, No. two round pin posts 8 are L type structure, and No. two round pin posts 8 keep away from crooked one end and be equipped with the screw thread that is used for mounting nut, peg graft into slotted hole 11 with No. two round pin posts 8, then fix with the cabin body to carry on spacingly through nut and No. two round pin post 8's one end, prevent that No. two round pin posts 8 from dropping.

Connecting seat 5 includes base 51 and stand 52, stand 52 fixed mounting is to base 51 center, and stand 52 is equipped with stand through-hole 53, stand 52 axial passes a spliced pole 33, the intermediate position of spliced pole 34 No. two, spliced pole 33, spliced pole 34 has played limiting displacement to stand 52 simultaneously, bearing axle 6 passes stand through-hole 53 and bearing axle connecting hole 38, realize the connection of wheel carrier 3 and connecting seat 5, and wheel carrier 3 rotates relative connecting seat 5, bearing axle 6 is solid stainless steel, wheel carrier 3 can rotate along cabin axial through bearing axle 6, in order to adapt to the circularity of cabin body connection face.

Base 51 four corners is equipped with a bolt respectively, insulating subassembly 9 is including insulating pad and insulating cover, 5 bottoms of connecting seat are equipped with insulating subassembly 9, insulating pad is installed at the base 51 lower surface, insulating cover is installed on each bolt, because the cabin body bears the frame and the connecting seat 5 uses is not the same kind of metal, in order to prevent electrochemical corrosion, it is insulating to need to bear the frame with the cabin body with insulating pad and connect between the seat 5, the cabin body bears the connecting screw between frame and the connecting seat 5 and need use insulating cover to carry out the insulation, insulating subassembly's design can slow down the corrosion rate of the cabin body and cabin body carrier in the basin.

The rolling support devices are used underwater, in the embodiment, 4 sets of the same rolling support devices are installed on a cabin body bearing frame which is installed to the water bottom, the cabin body is hoisted and installed in grooves of a first roller 1 and a second roller 2, and the cabin body can rotate relative to the first roller 1 and the second roller 2; according to the underwater test requirements of astronauts, the quadrant position of the cabin body is adjusted, 4 crank handles are installed on a rotating shaft of each underwater rolling support device, then 4 persons simultaneously shake the handle to enable a first roller 1 and a second roller 2 of each underwater rolling support device to rotate, the four rollers 1 and 2 on the underwater rolling support devices drive the cabin body to rotate through friction force, and after the four rollers rotate to the position, the first roller 1, the second roller 2 and the cabin body of each underwater rolling support device are fixed through a first pin column 7 and a second pin column 8, so that the operation task of rotating the cabin body is completed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Use roll strutting arrangement under water, its characterized in that: comprises a first roller (1), a second roller (2), a wheel carrier (3), a rotating shaft component (4) and a connecting seat (5), wherein the first roller (1) and the second roller (2) are respectively and fixedly arranged on the wheel carrier (3) through the rotating shaft component (4), the bottom of the wheel carrier (3) is connected to the connecting seat (5) through a bearing shaft (6),

the first roller (1) and the second roller (2) are respectively provided with a long round hole (11) for fixing the training cabin, and the wheel carrier (3) is provided with a first pin hole (37) for fixing the first roller (1) and a second pin hole for fixing the second roller (2).

2. The underwater use rolling support device of claim 1, wherein: the first idler wheel (1) and the second idler wheel (2) are identical in structure, a groove is formed in the circumferential surface of the first idler wheel (1), a plurality of long round holes (11) are uniformly formed in the side walls of the two sides of the groove and around the edge of the first idler wheel (1), a first stepped hole (12) is formed in the middle of the first idler wheel (1), and a plurality of first fixing holes (13) are uniformly formed around the first stepped hole (12); no. two shoulder holes are arranged in the middle of the No. two idler wheels (2), and a plurality of No. two fixing holes are uniformly arranged around the No. two shoulder holes.

3. The underwater use rolling support device of claim 1, wherein: wheel carrier (3) wholly is the triangle-shaped structure, including set-square (31), No. two set-squares (32), a spliced pole (33), No. two spliced poles (34) and No. three spliced poles (35), No. one set-square (31) first end is through a spliced pole (33), No. two spliced poles (34) are connected to No. two set-squares (32), in the one side relative with the first end of a set-square (31), No. one set-square (31) is through No. three spliced pole (35) fixed connection to No. two set-squares (32), form wheel carrier (3).

4. The underwater use rolling support device of claim 3, wherein: the first triangular plate (31) and the second triangular plate (32) are identical in structure, the first triangular plate (31) is provided with a first through hole (36) opposite to the first stepped hole (12), a second through hole opposite to the second stepped hole, the first through hole (36) and the second through hole are symmetrical along the center line of the wheel carrier (3), a bearing shaft (6) connecting hole (38) is arranged below the first triangular plate (31), and a first pin hole (37) corresponding to the first fixing hole (13) is arranged on one side of the first through hole (36); the rotating shaft assembly (4) comprises a first bearing, a second bearing and a connecting rotating shaft, the first bearing and the second bearing are respectively installed at two ends of the first stepped hole (12), and the connecting rotating shaft penetrates through the first through hole (36) and the first stepped hole (12) to realize the fixed connection of the first roller (1) and the wheel carrier (3); a first pin column (7) penetrates through a first pin hole (37) and a first fixing hole (13) to fix a first roller (1) relative to the wheel frame (3).

5. The underwater use rolling support device of claim 4, wherein: the number of the first pin holes (37) is 2, and the first pin holes (37) correspond to the first pin columns (7) one by one.

6. The underwater use rolling support device of claim 4, wherein: the pivot both ends are the hexagon structure, and the crank can be dismantled the one end of being connected to the pivot.

7. The underwater use rolling support device of claim 4, wherein: bearing end covers are arranged on two sides of the first through hole (36) of the wheel frame (3).

8. The underwater use rolling support device of claim 1, wherein: a second pin column (8) is arranged on a long circular hole (11) of the first roller (1), the second pin column (8) is of an L-shaped structure, and a thread for mounting a nut is arranged at one end, far away from the bending, of the second pin column (8).

9. The underwater use rolling support device of claim 1, wherein: connecting seat (5) include base (51) and stand (52), stand (52) fixed mounting is to base (51) center, and stand (52) are equipped with stand (52) through-hole, stand (52) axial is passed a spliced pole (33), the intermediate position of No. two spliced poles (34), bearing shaft (6) pass stand (52) through-hole and wheel carrier (3), realize the connection of wheel carrier (3) and connecting seat (5), and wheel carrier (3) relative connecting seat (5) rotate.

10. The underwater use rolling support device of claim 1, wherein: base (51) four corners is equipped with a bolt respectively, and connecting seat (5) bottom is equipped with insulating subassembly (9), and insulating subassembly (9) are including insulating pad and insulating cover, and insulating pad is installed at base (51) lower surface, and insulating cover is installed on each bolt.