CN116477073A - Large-scale mechanical synchronous linkage unlocking mechanism that bears - Google Patents
Large-scale mechanical synchronous linkage unlocking mechanism that bears Download PDFInfo
- Publication number
- CN116477073A CN116477073A CN202310450319.3A CN202310450319A CN116477073A CN 116477073 A CN116477073 A CN 116477073A CN 202310450319 A CN202310450319 A CN 202310450319A CN 116477073 A CN116477073 A CN 116477073A
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- connecting rod
- bottom plate
- pin
- blade
- holder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 abstract description 13
- 238000007906 compression Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a large-scale bearing mechanical synchronous linkage unlocking mechanism which comprises a bottom plate, a retainer, a top plate, a plurality of connecting rods, a plurality of blades and a plurality of leaf springs. The invention has the beneficial effects that: the mechanism has the function of locking the threaded compression rod; the mechanism has high bearing (more than 10000 newtons) tensile capacity; the mechanism has self-locking safety protection measures under a compression state; the mechanism has a mechanism design which has small space and is similar to a shutter type of a camera; the mechanism has the functional characteristics that the unlocking direction and the unlocking unfolding direction are mutually perpendicular.
Description
Technical Field
The invention belongs to the field of unlocking of threaded pressing rods for spaceflight, and particularly relates to a large-scale bearing mechanical synchronous linkage unlocking mechanism.
Background
In order to meet the requirements of connection and separation of large bearing, low impact and quick response between aerospace structural members, when unlocking operation is needed to be realized by releasing a threaded compression rod between the structures, a special compression unlocking tool is needed to realize reliable unlocking operation, the unlocking direction is required to be perpendicular to the pre-tightening direction, and the following functions are additionally provided:
1. the installation limit of a narrow space is met; 2. the use condition with larger pretightening force is met; 3. the locking and unlocking of the compression rod are realized through the movement of a purely mechanical mechanism; 4. when a plurality of compression points need to be unlocked simultaneously, the synchronous linkage unlocking function of a plurality of positions can be met.
In the prior art, no special pressing and unlocking tool exists, the unlocking direction is perpendicular to the pre-tightening direction, and the additional functions cannot be realized, so the application provides a large-scale bearing mechanical synchronous linkage unlocking mechanism, so that the installation limit and unlocking operation in a narrow space are met, the use working condition of large pre-tightening force is met, the locking and unlocking of a pressing rod are realized through the movement of a purely mechanical mechanism, and when a plurality of pressing points need to be simultaneously unlocked, the synchronous linkage unlocking function of a plurality of places can be met.
Disclosure of Invention
In view of the above, the present invention is directed to a large-scale bearing mechanical synchronous linkage unlocking mechanism, which solves at least one of the problems in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a large-scale synchronous linkage release mechanism that bears machinery, includes bottom plate, holder, roof, a plurality of connecting rod, a plurality of blade and a plurality of leaf spring, holder bottom mounting plate, the holder top is installed to the roof, a plurality of connecting rods are evenly cup jointed to the holder circumference, and a plurality of connecting rods constitute space plum blossom structure, and the one end of every connecting rod is located the holder outside, and the one end of every connecting rod is passed through the leaf spring and is connected with the holder, the other end of every connecting rod pass behind the holder inside with a blade clearance fit.
Further, still include a plurality of connecting rod pins and a plurality of split pin, the connecting rod is L type structure, a round hole has been seted up to the minor face of connecting rod, a round hole is used for providing the power supply interface of fixed tractive rope, the corner groove of connecting rod provides the installation interface for the leaf spring, no. two round holes have been seted up near minor face one end to the long limit of connecting rod, no. two round holes are used for installing split pin, split pin is used for connecting rod and holder, no. three round holes have been seted up apart from minor face one end to the long limit of connecting rod, no. three round holes are used for installing the connecting rod pin, the connecting rod pin is used for connecting rod and blade.
Further, the bottom plate is boss structure, boss structure is used for installing the holder, a plurality of installation interfaces are evenly seted up to bottom plate circumference, installation interface and screw cooperation are used, the bottom plate passes through the screw and installs outward, a plurality of leaf holes are evenly seted up to bottom plate middle circumference, the leaf hole is used for installing the blade, a plurality of step holes are evenly seted up to bottom plate middle circumference, the step hole of bottom plate is used for installing the adjustment sleeve.
Further, the retainer is of a closed-loop structure, the retainer is in clearance fit with a boss spigot of the bottom plate, the retainer is in clearance fit with the connecting rod and the opening pin, a plurality of L-shaped grooves are formed in the outer periphery Xiang Jun of the retainer, and the L-shaped grooves are used for installing the plate springs.
Further, the connecting rod pin further comprises a plurality of spring retainer rings for shafts, wherein a groove is respectively formed in the upper end and the lower end of each connecting rod pin, and each groove is internally provided with one spring retainer ring for a shaft.
Further, the novel adjusting sleeve comprises a plurality of adjusting sleeves and a plurality of I-shaped hexagonal nuts, a plurality of step holes are formed in the circumferential directions of the surfaces of the bottom plate and the top plate, external threads are formed at the top of the adjusting sleeves, the top of the adjusting sleeves is mounted in the step holes of the top plate through the I-shaped hexagonal nuts, and the bottom of the adjusting sleeves is mounted in the step holes of the bottom plate.
Further, a plum blossom structure is formed by a plurality of blades, a boss structure is arranged at the bottom of each blade, the bottom of each blade is mounted to She Kongna through the boss structure, internal threads are arranged on the inner sides of the blades, and the internal threads of the blades are used for being matched with threads of the pressed parts.
Further, the split pin structure further comprises a plurality of split pins, each split pin is provided with a pin hole, the pin holes are matched with the split pins, and the split pins are used for axially fixing the split pins.
Compared with the prior art, the large-scale bearing mechanical synchronous linkage unlocking mechanism has the following advantages:
the large-scale bearing mechanical synchronous linkage unlocking mechanism has the function of locking the threaded compression rod; the mechanism has high bearing (more than 10000 newtons) tensile capacity; the mechanism has self-locking safety protection measures under a compression state; the mechanism has a mechanism design which has small space and is similar to a shutter type of a camera; the mechanism has the functional characteristics that the unlocking direction and the unlocking unfolding direction are mutually perpendicular.
Drawings
The accompanying drawings, which 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. In the drawings:
fig. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention.
Reference numerals illustrate:
1. a connecting rod; 2. a bottom plate; 3. a retainer; 4. a connecting rod pin; 5. spring retainer ring for shaft; 6. a blade; 7. adjusting the sleeve; 8. a leaf spring; 9. a type I hexagonal nut; 10. a cotter pin; 11. a split pin; 12. and a top plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in figure 1, the invention relates to the field of unlocking of threaded compression rods, and particularly relates to a large-scale bearing mechanical synchronous linkage unlocking mechanism.
The large-scale synchronous linkage release mechanism that bears mechanical type has been designed for solving above-mentioned problem, rotate around the cotter pin through driving the blade, drive the holder and rotate, in-process bottom plate and roof play the centering support effect to holder pivoted, the spacer sleeve plays clearance effect and the fixed support's of control holder and bottom plate and roof effect, the connecting rod pin is used for connecting blade and connecting rod and is in the line of holder center and cotter pin, guarantee the mechanism auto-lock under the state of compressing tightly, the line of blade location arch and connecting pin is perpendicular with the line of holder center and cotter pin, guarantee the mechanism auto-lock under the state of compressing tightly and form double insurance equally, the leaf spring plays the blade locking and is compressed tightly the part and the automatic function of recovering after the unblock.
The connecting rod 1, this part structure itself becomes "L" molding, wherein the round hole of minor face is used for providing the power source interface of fixed tractive rope, the round hole of long limit near-end provides the installation interface for holder 3 and split pin 11, the round hole of long limit distal end provides the installation interface for connecting rod pin 4 and blade 6, make connecting rod 1 take place the rotation through pulling the round hole of minor face, drive holder 3 simultaneously and take place radial rotation, and then drive connecting rod pin 4 and blade 6 and rotate, finally realize the unblock of blade 6 to the part that is pressed, connecting rod 1 constitutes space "plum blossom" structural arrangement by 5 parts of the same shape altogether, the corner recess department of "L" structure provides the installation interface for leaf spring 8, be clearance fit between the part.
The bottom plate 2, this part provides external installation interface for whole mechanism and realizes fixed compressing tightly through 2M 5's screw, for blade 6 provides axial support, 5 apertures of middle equipartition provide installation interface for blade 6, and 5 big step holes provide installation interface for adjusting sleeve 7 in addition, and the boss tang of structure itself provides the installation interface for holder 3 and provides radial rotation centering and radial support's effect for holder 3, is clearance fit between the part.
The retainer 3, which provides a mounting interface for the connecting rod 1, the base plate 2, the leaf spring 8 and the cotter pin 11, requires a flexible rotation, is in clearance fit with the boss spigot of the base plate 2, and is also in clearance fit with the connecting rod 1 and the cotter pin 11, and the outer side 'L' -shaped groove provides a mounting interface for the leaf spring 8.
The connecting rod pin 4, this part provides the installation interface for connecting rod 1 and blade 6, is clearance fit between the part, and its structure is from the recess that takes for the axle spring retainer 5 provides the installation interface and realizes the axial fixity of self structure.
And a spring retainer ring 5 for the shaft, which is arranged in a groove of the connecting rod pin 4 and provides axial fixation for the connecting rod pin 4.
The blade 6, this part is the core part of whole mechanism for by the pretension and the unblock of compressing tightly the part, the inner circle is equipped with the helicitic texture and with the screw thread cooperation of compressing tightly the part and can form the auto-lock fixedly, the blade comprises 5 the space "plum blossom" structural arrangement of part of the same shape altogether, the boss in the structure outside provides the installation interface for bottom plate 2, inside round hole provides the installation interface for connecting rod pin 4 and connecting rod 1, be clearance fit between the part.
The adjusting sleeve 7 is used for providing an installation interface for the bottom plate 2 and the top plate 12, the large end of the adjusting sleeve is installed in the step hole of the bottom plate 2, and the small section threaded part is screwed by the I-shaped hexagonal nut 9 and axially fixes the bottom plate 2 and the top plate 12.
The plate spring 8, which provides an installation interface for the connecting rod 1 and the retainer 3, provides thrust for the connecting rod 1 through plastic deformation of its own material, maintains the radial compression state of the mechanism as a whole and automatically restores the structure to the original compression state by the elastic force generated by its plastic deformation after the unlocking action is completed.
The type I hexagonal nut 9 is screwed with the adjusting sleeve 7 through own threads and axially compresses the bottom plate 2.
Cotter pin 10, which cooperates with the pin bore of cotter pin 11 for axially securing cotter pin 11.
The split pin 11 is used for providing an installation interface for the connecting rod 1, the retainer 3 and the split pin 10, and is matched with the split pin 10 through a pin hole of the split pin 10 to realize axial fixation, and the parts are in clearance fit.
The roof 12, this part provides the installation interface for holder 3, blade 6 and adjustment sleeve 7, 5 apertures of middle equipartition provide the installation interface for blade 6, and 5 big step holes provide the installation interface for adjustment sleeve 7 in addition, and the boss tang of structure itself provides the installation interface for holder 3 and provides radial rotation centering and radial support's effect for holder 3, is clearance fit between the part.
Driving principle: the round hole of the short side of the connecting rod 1 is pulled to enable the connecting rod 1 to rotate, meanwhile, the retainer 3 is driven to rotate radially, the connecting rod pin 4 and the blade 6 are driven to rotate, unlocking of the compressed part by the blade 6 is finally achieved, the bottom plate 2 and the top plate 12 play a role in centering and supporting the retainer 3 in rotation, the adjusting sleeve 7 plays a role in controlling the clearance between the retainer 3 and the bottom plate 2 and the top plate 12 and a role in fixing and supporting, the connecting rod pin 4 is used for connecting the connecting rod 1 and the blade 6 and is located on a connecting line of the center of the retainer 3 and the opening pin 11, self-locking of the mechanism in a compressed state is guaranteed, the connecting line of the positioning protrusion of the blade 6 and the connecting line of the connecting rod pin 4 is perpendicular to the connecting line of the center of the retainer 3 and the opening pin 11, self-locking of the mechanism in the compressed state is guaranteed, double insurance is formed, and the plate spring 8 plays an automatic recovery function after the blade 6 is locked and unlocked.
The invention has the beneficial effects that: the large-scale mechanical synchronous linkage unlocking mechanism can meet the connection and separation requirements of low impact and quick response between space structural members, the unlocking direction is perpendicular to the pre-tightening direction, the installation limit in a narrow space and the unlocking operation and the use working condition with large pre-tightening force are met, the locking and unlocking of the compression rod can be realized purely mechanically, and when a plurality of compression points need to be unlocked simultaneously, the synchronous linkage unlocking function of a plurality of positions can be met.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A large-scale mechanical synchronous linkage release mechanism that bears, its characterized in that: including bottom plate (2), holder (3), roof (12), a plurality of connecting rod (1), a plurality of blade (6) and a plurality of leaf spring (8), holder (3) bottom mounting plate (2), holder (3) top is installed to roof (12), a plurality of connecting rods (1) are evenly cup jointed to holder (3) circumference, and space plum blossom structure is constituteed to a plurality of connecting rods (1), and the one end of every connecting rod (1) is located holder (3) outside, and the one end of every connecting rod (1) is connected with holder (3) through leaf spring (8), and the other end of every connecting rod (1) passes behind the inside with a blade (6) clearance fit of holder (3).
2. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 1, wherein: still include a plurality of connecting rod pins (4) and a plurality of split pin (11), connecting rod (1) are L type structure, a round hole has been seted up to the minor face of connecting rod (1), a round hole is used for providing the power supply interface of fixed tractive rope, the corner recess department of connecting rod (1) provides the installation interface for leaf spring (8), the long limit of connecting rod (1) is close to minor face one end and has seted up No. two round holes, no. two round holes are used for installing split pin (11), split pin (11) are used for connecting rod (1) and holder (3), no. three round holes have been seted up to the long limit of connecting rod (1) from minor face one end, no. three round holes are used for installing connecting rod pin (4), connecting rod pin (4) are used for connecting rod (1) and blade (6).
3. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 1, wherein: the bottom plate (2) is boss structure, boss structure is used for installing holder (3), a plurality of installation interfaces are evenly offered to bottom plate (2) circumference, installation interface and screw cooperation are used, bottom plate (2) are outward installed through the screw, a plurality of leaf holes are evenly offered to circumference in the middle of bottom plate (2), the leaf hole is used for installing blade (6), a plurality of step holes are evenly offered to circumference in the middle of bottom plate (2), the step hole of bottom plate (2) is used for installing adjusting sleeve (7).
4. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 2, wherein: the retainer (3) is of a closed-loop structure, the retainer (3) is in clearance fit with a boss spigot of the bottom plate (2), the retainer (3) is in clearance fit with the connecting rod (1) and the opening pin (11), a plurality of L-shaped grooves are formed in the outer side circumference of the retainer (3), and the L-shaped grooves are used for installing the plate springs (8).
5. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 2, wherein: the connecting rod is characterized by further comprising a plurality of spring retainer rings (5) for shafts, wherein a groove is respectively formed in the upper end and the lower end of each connecting rod pin (4), and each spring retainer ring (5) for shafts is respectively arranged in each groove.
6. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 1, wherein: still include a plurality of adjusting sleeve (7) and a plurality of I type hexagon nut (9), a plurality of step holes are all set up to bottom plate (2), roof (12) surface circumference, adjusting sleeve (7) top is equipped with the external screw thread, in the step hole of roof (12) is installed through I type hexagon nut (9) at adjusting sleeve (7) top, install to the step hole of bottom plate (2) in adjusting sleeve (7) bottom installation.
7. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 1, wherein: the blade (6) is of a plum blossom structure, a boss structure is arranged at the bottom of the blade (6), the bottom of the blade (6) is mounted to She Kongna through the boss structure, an internal thread is arranged on the inner side of the blade (6), and the internal thread of the blade (6) is used for being matched with the thread of a pressed part.
8. The large-scale bearing mechanical synchronous linkage unlocking mechanism according to claim 2, wherein: the split pin structure further comprises a plurality of split pins (10), pin holes are respectively formed in each split pin (11), the pin holes are matched with the split pins (10), and the split pins (10) are used for axially fixing the split pins (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310450319.3A CN116477073A (en) | 2023-04-24 | 2023-04-24 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
| CN202311405417.1A CN117485600A (en) | 2023-04-24 | 2023-10-26 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310450319.3A CN116477073A (en) | 2023-04-24 | 2023-04-24 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116477073A true CN116477073A (en) | 2023-07-25 |
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ID=87224728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310450319.3A Pending CN116477073A (en) | 2023-04-24 | 2023-04-24 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
| CN202311405417.1A Pending CN117485600A (en) | 2023-04-24 | 2023-10-26 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311405417.1A Pending CN117485600A (en) | 2023-04-24 | 2023-10-26 | Large-scale mechanical synchronous linkage unlocking mechanism that bears |
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| Country | Link |
|---|---|
| CN (2) | CN116477073A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767518A (en) * | 2023-08-25 | 2023-09-19 | 天津航天机电设备研究所 | Effective load cabin body connection unlocking mechanism with unlocking gap |
-
2023
- 2023-04-24 CN CN202310450319.3A patent/CN116477073A/en active Pending
- 2023-10-26 CN CN202311405417.1A patent/CN117485600A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767518A (en) * | 2023-08-25 | 2023-09-19 | 天津航天机电设备研究所 | Effective load cabin body connection unlocking mechanism with unlocking gap |
| CN116767518B (en) * | 2023-08-25 | 2023-11-17 | 天津航天机电设备研究所 | Effective load cabin body connection unlocking mechanism with unlocking gap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117485600A (en) | 2024-02-02 |
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Application publication date: 20230725 |
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