CN114771884A - Non-firer large-bearing compression release mechanism capable of resetting quickly - Google Patents

Abstract

The invention discloses a non-firer large-bearing pressing release mechanism capable of resetting quickly, which comprises: the spring assembly is arranged on each of two sides of the top surface of the fixing frame, one end of one spring assembly abuts against the lock bolt, and the other end of the lock bolt abuts against the pin body extending out of the pin puller; the restraining ring is positioned between the fixing frame and the base, and the spring assembly is connected with the top end of the restraining ring; the fixing frame is provided with a plurality of limiting columns, the restraining rings are sleeved on the outer sides of the limiting columns, split nuts are arranged on the inner sides of the limiting columns, the top ends of the split nuts are connected with the separation cone in a sliding mode, and the wave springs are abutted between the separation cone and the bottom face of the fixing plate; a plurality of rollers are connected between the outer wall of the split nut and the inner wall of the restraint ring in a rolling manner. The invention gradually reduces the larger bearing capacity through the force reducing mechanisms in various forms, and is suitable for occasions with compact structure, low energy consumption, quick reset and large bearing capacity.

Description

Non-firer large-bearing compression release mechanism capable of resetting quickly

Technical Field

The invention relates to the technical field of spacecraft connection and separation, in particular to a non-firer large-bearing compression release mechanism capable of resetting quickly.

Background

The compressing and releasing device is widely applied to separation of stars and arrows, unfolding of sailboards, unlocking of a deployable mechanism and the like of a spacecraft. The traditional fire-work releasing device widely applied at present is simple and reliable, but has the defects of large impact, pollutant generation and the like. Along with the development of aerospace technology, the internal load and component sensitivity of the satellite are higher and higher, the integration level and the light weight degree of the satellite are higher and higher, and the unlocking impact of the initiating explosive device is easy to damage the performance of the initiating explosive device, so that the initiating explosive device is not suitable for use any more. In addition, the safety problems of the fire-work devices in the transportation and storage processes are solved, the fire-work devices cannot be used repeatedly, the ground unlocking test cost is high, and a large amount of application in the ground test is limited. Therefore, a low impact, fast resettable non-pyrotechnic release device is needed.

At present, the non-firer release mechanisms have more types of triggering modes, and some problems have larger volume, for example, in an electric star-arrow connection and separation device disclosed in patent CN104760710B, the device is unlocked by driving a torque motor, and the volume of the motor is one half of that of the whole device and is not compact enough; some thermal fuse unlocking and releasing devices suitable for vacuum environment, as disclosed in patent CN109625327B, are triggered by fusing method and require higher energy; some release mechanisms using memory alloy direct triggering have small bearing capacity, such as the memory alloy calibration lock disclosed in CN101694523B and the memory alloy calibration lock used in the method for realizing locking and unlocking of the satellite calibration device.

Accordingly, one skilled in the art provides a quick-reset non-pyrotechnic large load-bearing compression release mechanism to solve the above-mentioned problems of the background art.

Disclosure of Invention

The invention provides a non-firer large-bearing pressing and releasing mechanism which can gradually decrease large bearing capacity through various forms of force reducing mechanisms, is suitable for occasions with compact structure, low energy consumption, quick reset and large bearing capacity and can quickly reset.

In order to achieve the above purpose, the invention provides the following technical scheme:

a quick-reset non-pyrotechnic large load-bearing compression-release mechanism, the mechanism comprising:

the spring assemblies are respectively arranged on two sides of the top surface of the fixing frame, one end of one spring assembly abuts against a lock bolt, one end of the lock bolt is arranged on the top surface of the fixing frame, the other end of the lock bolt abuts against a pin body extending out of a pin puller, and the pin puller is arranged in the middle of the top surface of the fixing frame;

the base is positioned below the fixing frame, and the top surface of the base is provided with a plurality of first key grooves which are encircled into a ring shape;

the restraint ring is positioned between the fixing frame and the base, the spring assembly is connected with the top end of the restraint ring, the bottom end of the restraint ring abuts against the top surface of the base, the base is connected with the fixing frame through bolts, the inner wall of the restraint ring is inwards recessed to form a plurality of arc-shaped grooves, the arc-shaped grooves are annularly arranged along the axis of the restraint ring, a blocking tooth is arranged between every two adjacent arc-shaped grooves, and the blocking tooth is fixed on the inner wall of the restraint ring;

the fixing frame comprises a fixing plate, a plurality of first bosses are arranged on the top surface of the fixing plate, the spring assembly, the pin puller and the lock plunger are respectively installed on the corresponding first bosses, a plurality of limiting columns are arranged on the bottom surface of the fixing plate, the limiting columns surround an annular structure, two adjacent limiting columns are arranged at intervals, the bottom end of each limiting column is connected with the base, the restraining ring is sleeved on the outer sides of the limiting columns which surround the annular structure, split nuts are arranged on the inner sides of the limiting columns which surround the annular structure, the top ends of the split nuts are connected with the separating cone in a sliding mode, and the wave spring is abutted between the separating cone and the bottom surface of the fixing plate; the bottom end of the split nut is connected with the plurality of guide keys in a sliding mode, and the bottom ends of the guide keys are inserted into the corresponding first key grooves;

a plurality of rollers are connected between the outer wall of the split nut and the inner wall of the restraint ring in a rolling mode, the number of the rollers is the same as that of the arc-shaped grooves, the rollers abut against the corresponding blocking teeth, and each roller is located between the corresponding and adjacent limiting columns.

Furthermore, the bottom surface middle part of fixed plate sets up annular seat, and is a plurality of the top of spacing post is connected with the bottom surface of annular seat, spacing hole has been seted up to the symmetry on the inner wall of annular seat, the position that the bottom surface middle part of fixed plate just is located annular seat inwards caves in and forms the counter bore, the top of wave spring and separation awl all sets up in the counter bore.

Furthermore, every first windowing has been seted up to one side of spacing post, and this first windowing is close to the setting of annular seat, the fender tooth stretches into in this first windowing, every the tip of keeping away from the annular seat on the spacing post forms the arch to adjacent spacing post protrusion, forms the second windowing between two adjacent spacing posts, annular seat and the arch, and is a plurality of the roller is located the second windowing that corresponds respectively, every just be close to bellied position and outwards protrusion formation halfcylinder arch on the spacing post, first through-hole has been seted up to the bellied bottom surface of halfcylinder, the base passes through a plurality of bolts and halfcylinder raised connection, and every bolt passes corresponding first through-hole and base.

Furthermore, the split nut comprises four nut bodies which are encircled to form a ring shape, the top end of each nut body is provided with a first conical surface, the bottom surface of each nut body is provided with a second conical surface, the middle part of each second conical surface is inwards sunken to form a second key groove, and the groove bottom of each second key groove is a first inclined surface which inclines towards the inner side of the nut body.

Furthermore, a groove is formed inwards in the top surface of the separation cone, the lower part of the wave spring is arranged in the groove, a third conical surface is arranged at the edge of the bottom surface of the separation cone, the third conical surface has the same taper as the first conical surface, and the third conical surface is in sliding connection with the first conical surface; the top end of the guide key is provided with a second inclined surface, the inclination of the second inclined surface is the same as that of the first inclined surface, and the second inclined surface is in sliding connection with the corresponding first inclined surface.

Furthermore, cylindrical vertical lugs are respectively arranged on two sides of the top end of the restraint ring, reset holes are formed in the bottoms of the two cylindrical vertical lugs, the axes of the two reset holes are located on the same straight line, the cylindrical vertical lugs are arranged between the two adjacent arc-shaped grooves, a sliding bushing is sleeved on the top of one cylindrical vertical lug, threaded holes are formed in the top surface of the sliding bushing and the top surface of the other cylindrical vertical lug, and the spring assembly is connected with the corresponding threaded hole through a bolt; the outer wall of the restraint ring is uniformly provided with open holes.

Furthermore, two spring unit all includes two spring joints, two on the same spring unit spring joint's inboard all is provided with the reference column, overlaps on two reference columns and establishes a spring, and the both ends of this spring are supported respectively and are leaned on spring joint, one of them two spring joints on the spring unit are connected with the first boss and the slip bush that correspond respectively, another two spring joints on the spring unit correspond first boss and another cylinder and found the ear and connect respectively.

Furthermore, the pin puller is arranged between the two spring assemblies, two sides of the pin puller and the extending end of the pin body close to the pin puller are respectively provided with a fixing lug, the two fixing lugs are arranged in a staggered mode, and the two fixing lugs are connected with the corresponding first bosses through screws.

Further, the set bar includes integrated into one piece's rotation portion and supports to lean on the portion, the axis of rotation portion and support to be the obtuse angle between the axis of portion, rotation portion passes through the screw and is connected with the rotation of the first boss that corresponds, supports to support to lean on the portion to keep away from the tip of rotation portion and supports and lean on the shank.

Further, the top surface middle part of base is provided with the second boss, the top surface middle part of second boss is provided with the frustum, first keyway is evenly seted up on the conical surface of this frustum, the top surface of frustum inwards caves in and forms the second through-hole, the top surface of second boss is close to the frustum and goes out to have seted up a plurality of counter bores, and is a plurality of the counter bore sets up along the axis ring shape of second through-hole, the base is through corresponding counter bore and the bolt and a plurality of spacing post connection of first through-hole.

In the technical scheme, the non-firer large-bearing compression release mechanism capable of resetting quickly provided by the invention has the following beneficial effects:

1. by adopting multi-stage force reducing mechanisms such as roller rolling friction, latch levers and the like, the bearing capacity is reduced to one thousandth, and the release of large bearing capacity by small trigger force is realized.

2. The size of the mechanism is greatly optimized, the structure is compact, and the installation flexibility is high; the memory alloy wire is adopted for triggering, so that the energy consumption is low, the impact is low, and the memory alloy wire can be repeatedly used.

3. The movement path of the mechanism is designed reversibly, and the in-situ reset can be realized quickly by easily rotating the restraint ring, so that the use efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic view of a locking state of a non-pyrotechnic large load-bearing compression release mechanism capable of being reset rapidly according to an embodiment of the present invention;

FIG. 2 is one of the cross-sectional views of FIG. 1;

FIG. 3 is a second cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of the fixing frame of FIG. 1;

FIG. 5 is a second schematic mechanical diagram of the fixing frame of FIG. 1;

FIG. 6 is a schematic view of the split nut of FIG. 1;

FIG. 7 is a second schematic structural view of the split nut of FIG. 1;

FIG. 8 is a schematic mechanical view of the confinement rings of FIG. 1;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a schematic diagram of the spring assembly of FIG. 1;

FIG. 11 is a schematic view of the base of FIG. 1;

FIG. 12 is a second schematic view of the base shown in FIG. 1;

FIG. 13 is a schematic view of an unlocked state of a non-pyrotechnic large load-bearing compression release mechanism capable of being reset quickly according to an embodiment of the present invention;

FIG. 14 is one of the cross-sectional views of FIG. 13;

fig. 15 is a second cross-sectional view of fig. 13.

Description of reference numerals:

100. a fixed mount; 101. a fixing plate; 102. a first boss; 103. a limiting column; 104. an annular seat; 105. a limiting hole; 106. a counter bore;

1031. a first windowing; 1032. a protrusion; 1033. second windowing; 1034. a semi-cylindrical projection; 1035. a first through hole;

110. a guide key; 111. a second inclined surface;

120. a roller;

200. a spring assembly; 201. a spring joint; 202. a positioning column; 203. a spring;

300. a lock bolt; 301. a rotating part; 302. an abutting portion;

400. a pin puller; 401. a pin body; 402. fixing the lug;

500. a base; 501. a first key groove; 502. a second boss; 503. a frustum; 504. a second through hole; 505. countersinking;

600. a confinement ring; 601. an arc-shaped slot; 602. blocking teeth; 603. a cylindrical vertical lug; 604. a sliding bushing; 605. a threaded hole; 606. a reset hole; 607. opening a hole;

700. a split nut; 701. a nut body; 702. a first conical surface; 703. a second tapered surface; 704. a second keyway; 705. a first inclined plane;

800. separating cone; 801. a groove; 802. a third conical surface;

900. a wave spring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in FIGS. 1-12;

the embodiment of the invention provides a non-firer large-bearing compaction release mechanism capable of resetting quickly, which comprises:

the spring assembly comprises a fixed frame 100, wherein two sides of the top surface of the fixed frame 100 are respectively provided with a spring assembly 200, one end of one spring assembly 200 abuts against the middle part of the side surface of a lock bolt 300, one end of the lock bolt 300 is arranged on the top surface of the fixed frame 100, the lock bolt 300 can rotate along the joint of the fixed frame 100, the other end of the lock bolt 300 abuts against a pin body 401 extending out of a pin puller 400, and the pin puller 400 is arranged in the middle part of the top surface of the fixed frame 100 and is positioned between the two spring assemblies 200;

the base 500 is positioned below the fixing frame 100, and four first key grooves 501 which are encircled to form a ring shape are formed in the top surface of the base 500;

the restraint ring 600 is positioned between the fixing frame 100 and the base 500, one end of the spring assembly 200 penetrates through a hole in the fixing frame 100 and is connected with the top end of the restraint ring 600, the bottom end of the restraint ring 600 abuts against the top surface of the base 500, the base 500 is connected with the fixing frame 100 through a bolt, eight arc-shaped grooves 601 are formed by inwards sinking on the inner wall of the restraint ring 600, the eight arc-shaped grooves 601 are uniformly distributed on the inner wall of the restraint ring 600, the eight arc-shaped grooves 601 are annularly arranged along the axis of the restraint ring 600, a blocking tooth 602 is arranged between every two adjacent arc-shaped grooves 601, and the blocking tooth 602 is fixed on the inner wall of the restraint ring 600;

the fixing frame 100 comprises a fixing plate 101, seven first bosses 102 are arranged on the top surface of the fixing plate 101, two spring assemblies 200 are respectively mounted on the two bosses 102 positioned at the outer side, pin extractors 400 are mounted on the bosses 102 positioned at the middle, a lock plunger 300 is mounted on the first boss 102 close to one of the spring assemblies 200, eight limiting columns 103 are arranged on the bottom surface of the fixing plate 101, the eight limiting columns 103 enclose an annular structure, the two adjacent limiting columns 103 are arranged at equal intervals, the bottom end of each limiting column 103 is connected with a base 500, a restraining ring 600 is sleeved on the outer sides of the eight limiting columns 103 enclosing the annular structure, split nuts 700 are arranged on the inner sides of the eight limiting columns 103 enclosing the annular structure, the top ends of the split nuts 700 are connected with a split cone 800 in a sliding manner, and a wave spring 900 is abutted between the split cone 800 and the bottom surface of the fixing plate 101, the wave spring 900 is a standard component; the bottom end of the split nut 700 is slidably connected with the four guide keys 110, and the bottom ends of the guide keys 110 are inserted into the corresponding first key grooves 501;

eight rollers 120 are connected between the outer wall of the split nut 700 and the inner wall of the constraint ring 600 in a rolling manner, the number of the rollers 120 is the same as that of the arc-shaped grooves 601, the rollers 120 abut against the corresponding blocking teeth 602, and each roller 120 is located between the corresponding and adjacent limiting columns 103.

When the pin body 401 of the pin puller 400 is retracted, the lock plunger 300 rotates, the spring assembly 200 abutting against the lock plunger 300 acts to further drive the restraining ring 600 to rotate, the restraining ring 600 rotates, so that the arc-shaped grooves 601 on the restraining ring are matched with the corresponding rollers 120 in a similar manner, namely the rollers 120 slide outwards into the corresponding arc-shaped grooves 601, the constraint of the eight rollers 120 on the split nut 700 is removed, the split nut 700 is separated outwards along the guide key 110 under the action of the separation cone 800 and the wave spring 900, and the releasing process is completed.

As shown in fig. 4-5;

the bottom surface middle part of fixed plate 101 sets up annular seat 104, eight the top of spacing post 103 is connected with the bottom surface of annular seat 104, bottom plate 101, annular base 104 and spacing post 103 are the integrated into one piece structure, spacing hole 105 has been seted up to the symmetry on the inner wall of annular seat 104, the inside sunken counter bore 106 that forms in the position that just is located annular seat 104 in the bottom surface middle part of fixed plate 101, wave spring 900 and separation awl 800's top all sets up in counter bore 106.

After the releasing process is finished, two reset pins are respectively inserted into the two limiting holes 105, the limiting ring 600 is rotated along the reverse direction of the rotation of the limiting ring 600 in the releasing process, the limiting columns 103 drive the corresponding rollers 120 to move out of the corresponding arc-shaped grooves 601, the split nut 700 is bound again, the initial state is restored, and the resetting is finished.

One side of each of the limiting columns 103 is provided with a first window 1031, the first window 1031 is arranged close to the annular seat 104, the blocking tooth 602 extends into the first window 1031, the end part, far away from the annular seat 104, of each limiting column 103 protrudes towards the adjacent limiting column 103 to form a protrusion 1032, a second window 1033 is formed between the adjacent two limiting columns 103, the annular seat 104 and the protrusion 1032, the eight rollers 120 are respectively located in the corresponding second windows 1033, and the rollers 120 can only roll in the corresponding first windows 1031; each of the limiting posts 103 protrudes outward at a position close to the protrusion 1032 to form a semi-cylindrical protrusion 1034, a first through hole 1035 is formed in the bottom surface of the semi-cylindrical protrusion 1034, the base 500 is connected to the semi-cylindrical protrusion 1034 through eight bolts, and each bolt passes through the corresponding first through hole 1035 and the base 500. The bolt passes through the first through hole 1035 and the base 500 and is fixed by the nut, so that the relative displacement between the base 500 and the fixing frame 100 cannot occur when the mechanism works.

As shown in fig. 6-7;

the split nut 700 comprises four nut bodies 701 which surround to form a ring shape, the top end of each nut body 701 is provided with a first conical surface 702, the bottom surface of each nut body 701 is provided with a second conical surface 703, the middle part of the second conical surface 703 is inwards recessed to form a second key groove 704, and the bottom of the second key groove 704 is a first inclined surface 705 which inclines towards the inner side of the nut body 701. The four nut bodies 701 are tightly attached into an annular structure under the constraint of eight rollers 120, and each two rollers 120 abut against the outer wall of one nut body 701; when the eight rollers 120 release the four nut bodies 701, the four nut bodies 701 are separated by the separation cone 800 and the wave spring 900.

As shown in fig. 2;

a groove 801 is formed inwards in the top surface of the separation cone 800, the lower portion of the wave spring 900 is arranged in the groove 801, the top end of the wave spring 900 abuts against the bottom surface of the fixing plate 10, the other end of the wave spring 900 abuts against the top wall of the groove 801, a third conical surface 802 is arranged at the edge of the bottom surface of the separation cone 800, the third conical surface 802 has the same taper as the first conical surface 702, and the third conical surface 802 is in sliding connection with the first conical surface 702; the top end of the guide key 110 has a second inclined surface 111, the second inclined surface 111 has the same inclination as the first inclined surface 705, and the second inclined surface 111 is slidably connected with the corresponding first inclined surface 705. When the rollers 120 are released from the split nut 700, the four nut bodies 701 are separated by the separation cone 800 and the wave spring 900, and at this time, the third tapered surface 802 slides between the first tapered surfaces 702, and the second tapered surfaces 111 and the first tapered surfaces 105 slide.

See fig. 8-9;

cylindrical vertical lugs 603 are respectively arranged on two sides of the top end of the restraint ring 600, reset holes 606 are formed in the bottoms of the two cylindrical vertical lugs 603, the axes of the two reset holes 606 are located on the same straight line, the cylindrical vertical lugs 603 are arranged between the two adjacent arc-shaped grooves 601, a sliding bushing 604 is sleeved on the top of one cylindrical vertical lug 603, the sliding bushing 604 can rotate along the axis of the sliding bushing, threaded holes 605 are formed in the top surface of the sliding bushing 604 and the top surface of the other cylindrical vertical lug 603, and the spring assembly 200 is connected with the corresponding threaded hole 605 through bolts; the outer wall of the confinement ring 600 is uniformly provided with openings 607, and the inner parts of the confinement ring 600 can be viewed through the openings 607. When the latch 300 is not restrained by the pin 401, the latch 300 rotates, the spring assembly 200, which abuts against the latch 300, works and rotates the cylindrical lugs 603 through the sliding bushing 604, thereby effecting rotation of the entire restraint ring 600.

As shown in fig. 10;

the two spring assemblies 200 respectively comprise two spring joints 201, positioning columns 202 are arranged on the inner sides of the two spring joints 201 on the same spring assembly 200, a spring 203 is sleeved on the two positioning columns 202, two ends of the spring 203 respectively abut against the spring joints 201, the two spring joints 201 on one spring assembly 200 are respectively connected with a corresponding first boss 102 and a corresponding sliding bush 604, and the two spring joints 201 on the other spring assembly 200 are respectively connected with a corresponding first boss 102 and another cylindrical vertical lug 603.

In the releasing process, the latch 300 rotates, the spring connector 201 arranged on the first boss 102 does not move, the spring connector 201 connected with the sliding bushing 604 pushes the sliding bushing 604 to move under the action of the spring 203, and the whole restraint ring 600 is driven to rotate through the cylindrical vertical lug 603; during the resetting process, the restraint ring 600 rotates reversely, the spring connector 201 connected with the sliding bushing 604 is driven to retract through the cylindrical vertical lug 603 and the sliding bushing 604 and is pressed by the latch 300, and then the latch 300 is restrained through the pin body 401, so that the resetting is completed.

As shown in FIG. 11;

the pin puller 400 is arranged between the two spring assemblies 200, the extending ends of the pin bodies 401 at two sides of the pin puller 400 and close to the two sides of the pin puller 400 are respectively provided with fixing lugs 402, the two fixing lugs 402 are arranged in a staggered mode, and the two fixing lugs 402 are connected with the corresponding first bosses 102 through screws.

As shown in fig. 1;

the set bar 300 includes integrated into one piece's rotation portion 301 and supports and lean on portion 302, the axis of rotation portion 301 and the axis that supports and lean on portion 302 between the contained angle be the obtuse angle, rotation portion 301 rotates through screw and the first boss 102 that corresponds to be connected, support and lean on the portion 302 and keep away from the tip of rotation portion 301 and support and lean on round pin body 401. The spring joint 201 of the spring assembly 200 abuts against the junction of the rotating portion 301 and the abutting portion 302.

See fig. 11-12;

the mounting surface of the base 500 is square or circular, a second boss 502 is arranged in the middle of the top surface of the base 500, the second boss 502 is mounted on the mounting surface of the base 500, a frustum 503 is arranged in the middle of the top surface of the second boss 502, the first key grooves 501 are uniformly formed in the conical surface of the frustum 503, the top surface of the frustum 503 is recessed inwards to form a second through hole 504, eight counter bores 505 are formed in the top surface of the second boss 502 close to the frustum 503, the plurality of counter bores 505 are annularly arranged along the axis of the second through hole 504, and the base 500 is connected with the plurality of limiting columns 103 through bolts corresponding to the counter bores 505 and the first through holes 1035. The base 500 and the fixing frame 100 are fixedly connected by bolts and nuts passing through the counter-sunk hole 505 and the first through-hole 1035, so that displacement in the working process is avoided.

In the locked state, the abutting portion 302 of the latch 300 is caught by the pin body 401, and the spring joint 201 of the spring assembly 200 applies a pushing force to the latch 300, and at this time, the latch 300 restricts the movement of the slide bushing 604, that is, the confinement rings 600 and the rollers 120 are not movable, and at this time, the two reset holes 606 and the two limit holes 105 are coaxial.

See fig. 13-15;

in the unlocking process, a trigger signal enables the pin body 401 to retract into the pin puller 400, the lock plunger 300 is released, the lock plunger 300 is free from limiting the spring joint 201 abutted against the lock plunger 300, the spring joint 201 is displaced under the action of the spring 203, the restraint ring 600 is pushed to rotate through the sliding bushing 604 and the corresponding cylindrical vertical lug 603, the lock plunger 300, the spring joint 201, the spring 203, the sliding bushing 604, the cylindrical vertical lug 603 and the restraint ring 600 form a latch lever, eight rollers 120 are driven by the corresponding limiting columns 103 to roll into the arc-shaped groove 601, the limitation on the split nut 700 is simultaneously removed, the split nut 700 is enabled to move along the second inclined plane 111 on the guide key 110 under the action of the wave spring 900 and the separation cone 800, the four nut bodies 701 are separated outwards and separated, the bearing force is gradually reduced, and unlocking is completed.

In the resetting process, rod-shaped parts of the two cylindrical heads are used as resetting pins and are respectively inserted into the two resetting holes 606 to rotate in the opposite direction of the unlocking direction, so that the restraint ring 600 is driven to rotate, and the spring 203 in the spring assembly 200 is compressed. When the confinement ring 600 is rotated to the position of the confinement ring 600 in the locked state, the reset hole 606 and the limiting hole 105 are coaxial. The two reset pins are continuously inserted into the limiting holes 105, so that the fixing frame 100 and the restraining ring 600 do not rotate relatively. During rotation of the constraining ring 600, the retaining posts 103 push the rollers 120 back into position, which in turn causes the split nut 700 to return inward along the guide keys 110 into position. The separation cone 800 returns to the original position under the driving of the split nut 700. Finally, the lock bolt 300 is manually rotated reversely to the original position, the pin body 401 is reset to lock the abutting part 302 of the lock bolt 300, the reset pin is pulled out, and the reset of the whole mechanism is completed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.

Claims (10)

1. A kind of non-firer that can reset fast bears the weight of and compresses tightly the release mechanism greatly, characterized by that, this organization includes:

the spring assembly (200) is arranged on each of two sides of the top surface of the fixing frame (100), one end of one spring assembly (200) abuts against the lock bolt (300), one end of the lock bolt (300) is arranged on the top surface of the fixing frame (100), the other end of the lock bolt (300) abuts against a pin body (401) extending out of the pin puller (400), and the pin puller (400) is mounted in the middle of the top surface of the fixing frame (100);

the base (500) is positioned below the fixing frame (100), and a plurality of first key grooves (501) which are encircled to form a ring shape are formed in the top surface of the base (500);

the restraint ring (600) is positioned between the fixed frame (100) and the base (500), the spring assembly (200) is connected with the top end of the restraint ring (600), the bottom end of the restraint ring (600) abuts against the top surface of the base (500), the base (500) is connected with the fixed frame (100) through bolts, the inner wall of the restraint ring (600) is inwards recessed to form a plurality of arc-shaped grooves (601), the arc-shaped grooves (601) are annularly arranged along the axis of the restraint ring (600), a blocking tooth (602) is arranged between every two adjacent arc-shaped grooves (601), and the blocking tooth (602) is fixed on the inner wall of the restraint ring (600);

the fixing frame (100) comprises a fixing plate (101), a plurality of first bosses (102) are arranged on the top surface of the fixing plate (101), the spring assembly (200), the pin puller (400) and the lock bolt (300) are respectively arranged on the corresponding first bosses (102), a plurality of limiting columns (103) are arranged on the bottom surface of the fixing plate (101), the limiting columns (103) form an annular structure, two adjacent limiting columns (103) are arranged at intervals, the bottom end of each limiting column (103) is connected with the base (500), the restraint ring (600) is sleeved outside the plurality of limiting columns (103) which enclose into an annular structure, split nuts (700) are arranged inside the plurality of limiting columns (103) which enclose into the annular structure, the top end of the split nut (700) is connected with the separation cone (800) in a sliding mode, and a wave spring (900) is abutted between the separation cone (800) and the bottom face of the fixing plate (101); the bottom end of the split nut (700) is connected with a plurality of guide keys (110) in a sliding mode, and the bottom ends of the guide keys (110) are inserted into the corresponding first key grooves (501);

a plurality of rollers (120) are connected between the outer wall of the split nut (700) and the inner wall of the restraint ring (600) in a rolling mode, the number of the rollers (120) is the same as that of the arc-shaped grooves (601), the rollers (120) abut against corresponding blocking teeth (602), and each roller (120) is located between corresponding and adjacent limiting columns (103).

2. The non-pyrotechnic large load-bearing compression and release mechanism capable of being reset quickly as claimed in claim 1, wherein an annular seat (104) is arranged in the middle of the bottom surface of the fixing plate (101), the top ends of the limiting columns (103) are connected with the bottom surface of the annular seat (104), limiting holes (105) are symmetrically formed in the inner wall of the annular seat (104), a part in the middle of the bottom surface of the fixing plate (101) and located in the annular seat (104) is recessed inwards to form a counter bore (106), and the tops of the wave spring (900) and the separation cone (800) are both arranged in the counter bore (106).

3. The non-pyrotechnic large load-bearing compression release mechanism capable of being reset quickly as claimed in claim 2, wherein one side of each of the limiting posts (103) is provided with a first window (1031), the first window (1031) is disposed close to the annular seat (104), the blocking teeth (602) extend into the first window (1031), an end portion, far away from the annular seat (104), of each of the limiting posts (103) protrudes towards the adjacent limiting post (103) to form a protrusion (1032), a second window (1033) is formed between the adjacent two limiting posts (103), the annular seat (104) and the protrusion (1032), the plurality of rollers (120) are respectively disposed in the corresponding second windows (1033), a position, close to the protrusion (1032), on each of the limiting posts (103) protrudes outwards to form a semi-cylindrical protrusion (1034), a first through hole (1035) is formed in a bottom surface of the semi-cylindrical protrusion (1034), the base (500) is coupled to the semi-cylindrical projection (1034) by a plurality of bolts, each bolt passing through a corresponding first through hole (1035) and base (500).

4. A quick-return non-pyrotechnic large load-bearing compression release mechanism according to claim 1 wherein the split nut (700) comprises four nut bodies (701) enclosing a ring shape, the top end of each nut body (701) is provided with a first tapered surface (702), the bottom surface of each nut body (701) is provided with a second tapered surface (703), the middle part of the second tapered surface (703) is recessed inwards to form a second key groove (704), and the bottom of the second key groove (704) is provided with a first inclined surface (705) inclined towards the inner side of the nut body (701).

5. The non-pyrotechnic large load-bearing and compression and release mechanism capable of being reset quickly as claimed in claim 4, wherein a groove (801) is formed in a top surface of the separation cone (800) inwards, a lower portion of the wave spring (900) is arranged in the groove (801), a third tapered surface (802) is arranged at an edge of a bottom surface of the separation cone (800), the third tapered surface (802) has the same taper as the first tapered surface (702), and the third tapered surface (802) is connected with the first tapered surface (702) in a sliding manner; the top end of the guide key (110) is provided with a second inclined surface (111), the inclination of the second inclined surface (111) is the same as that of the first inclined surface (705), and the second inclined surface (111) is connected with the corresponding first inclined surface (705) in a sliding mode.

6. The non-pyrotechnic large load-bearing and pressing and releasing mechanism capable of being reset quickly as claimed in claim 1, wherein cylindrical vertical lugs (603) are respectively arranged on two sides of the top end of the restraint ring (600), reset holes (606) are respectively formed in the bottoms of the two cylindrical vertical lugs (603), the axes of the two reset holes (606) are located on the same straight line, the cylindrical vertical lugs (603) are arranged between the two adjacent arc-shaped grooves (601), a sliding bushing (604) is sleeved on the top of one cylindrical vertical lug (603), threaded holes (605) are respectively formed in the top surface of the sliding bushing (604) and the top surface of the other cylindrical vertical lug (603), and the spring assembly (200) is connected with the corresponding threaded hole (605) through a bolt; the outer wall of the restraining ring (600) is uniformly provided with open holes (607).

7. The non-pyrotechnic large load-bearing compression release mechanism capable of being reset quickly as claimed in claim 6, wherein each of the two spring assemblies (200) comprises two spring joints (201), positioning pillars (202) are respectively arranged on the inner sides of the two spring joints (201) on the same spring assembly (200), a spring (203) is sleeved on each of the two positioning pillars (202), two ends of the spring (203) respectively abut against the spring joints (201), the two spring joints (201) on one of the spring assemblies (200) are respectively connected with a corresponding first boss (102) and a corresponding sliding bush (604), and the two spring joints (201) on the other spring assembly (200) are respectively connected with a corresponding first boss (102) and another cylindrical riser (603).

8. The non-pyrotechnic large load-bearing compression and release mechanism capable of being reset quickly as claimed in claim 1, wherein the pin puller (400) is arranged between the two spring assemblies (200), the protruding ends of the pin body (401) on two sides of the pin puller (400) and close to the inside of the pin puller are respectively provided with a fixing lug (402), the two fixing lugs (402) are arranged in a staggered manner, and the two fixing lugs (402) are connected with the corresponding first bosses (102) through screws.

9. The non-explosive large load-bearing compression release mechanism capable of being reset quickly as claimed in claim 1, wherein the latch (300) comprises a rotating part (301) and an abutting part (302) which are formed integrally, an included angle between the axis of the rotating part (301) and the axis of the abutting part (302) is an obtuse angle, the rotating part (301) is rotatably connected with the corresponding first boss (102) through a screw, and the end part, far away from the rotating part (301), of the abutting part (302) abuts against the pin body (401).

10. The non-pyrotechnic large load-bearing compression and release mechanism capable of being reset quickly as claimed in claim 3, wherein a second boss (502) is arranged in the middle of the top surface of the base (500), a frustum (503) is arranged in the middle of the top surface of the second boss (502), the first key groove (501) is uniformly formed in the conical surface of the frustum (503), the top surface of the frustum (503) is recessed inwards to form a second through hole (504), a plurality of countersunk holes (505) are formed in the top surface of the second boss (502) close to the frustum (503), the plurality of countersunk holes (505) are annularly arranged along the axis of the second through hole (504), and the base (500) is connected with the plurality of limiting columns (103) through bolts corresponding to the countersunk holes (505) and the first through hole (1035).

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