CN209938957U

CN209938957U - Timing safety mechanism of automatic ground disengaging device

Info

Publication number: CN209938957U
Application number: CN201920287047.9U
Authority: CN
Inventors: 朱振海; 朱立涵
Original assignee: Zhejiang Maritime Equipment Manufacturing Co Ltd
Current assignee: Zhejiang Maritime Equipment Manufacturing Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-14
Anticipated expiration: 2029-03-07

Abstract

The utility model provides a timing safety mechanism of automatic disengaging device in ground, including insurance bolt and disengagement mechanism, disengagement mechanism and insurance bolt connection, disengagement mechanism can stimulate insurance bolt, disengagement mechanism include wire rope and stay cord device, wire rope's one end and insurance bolt connection, wire rope's the other end be connected with the stay cord device, the stay cord device can pull wire rope and remove. The utility model provides a timing safety mechanism of automatic ground disengaging device, this safety mechanism are used for carrying out the unblock operation to the lock of connecting parachute and air-drop case.

Description

Timing safety mechanism of automatic ground disengaging device

Technical Field

The utility model relates to a timing safety mechanism of automatic ground disengaging gear.

Background

When throwing down goods and materials on the aircraft, generally all can put goods and materials in the air-drop box, the air-drop box of throwing downwards again, but still can connect the parachute on the air-drop box, be used for carrying out the deceleration, but when actual air-drop operation, the parachute also can bring certain drawback, when the air-drop box lands, the parachute is not separated with the air-drop box yet, the parachute is still aerial to be removed this moment, the parachute can be drawn the air-drop box and is rolled like this, thereby cause the impact influence once more to the air-drop box, probably cause the goods and materials to damage.

SUMMERY OF THE UTILITY MODEL

To the problem pointed out in the background art, the utility model provides an automatic timing safety mechanism who breaks away from device in ground, this safety mechanism is used for carrying out the unblock operation to the lock of connecting parachute and air-drop case.

The technical scheme of the utility model is realized like this:

a timing safety mechanism of an automatic ground separation device comprises a safety bolt and a separation mechanism, wherein the separation mechanism is connected with the safety bolt and can pull the safety bolt, the separation mechanism comprises a steel wire rope and a rope pulling device, one end of the steel wire rope is connected with the safety bolt, the other end of the steel wire rope is connected with the rope pulling device, and the rope pulling device can pull the steel wire rope to move.

The utility model is further arranged in that the rope pulling device comprises a double joint, a connecting pipe, a weaving sleeve, a rebound pipe, a second spring, a slider, a gear, a limit rack, a limit pin and a shell, the connecting pipe is connected with the double joint, the weaving sleeve is connected with the connecting pipe, the weaving sleeve is connected with the rebound pipe, the slider can be arranged in the rebound pipe in a sliding way, the second spring is arranged between the connecting ends of the slider, the rebound pipe and the weaving sleeve, one end of a steel wire rope is connected with a safety bolt, the other end of the steel wire rope passes through the double joint, the connecting pipe, the weaving sleeve, the rebound pipe and the second spring and then is connected with the slider, the shell is connected with the rebound pipe, the gear is rotatably arranged in the shell, the limit pin is inserted on the shell, the limit pin is connected with the gear to limit the rotation of the gear, the limit, the limiting rack is connected with the sliding block in a linkage manner.

The utility model discloses still further set up to, the braided sleeve in be equipped with the extension spring.

The utility model discloses still further set up to, the stay cord device include double-end joint, connecting pipe, weave sleeve pipe, timing trip gear, connecting pipe and double-end joint be connected, weave the sleeve pipe and be connected with the connecting pipe, weave the sleeve pipe and be connected with timing trip gear, timing trip gear include electric actuator and time-recorder, electric actuator pulling wire rope remove, the time-recorder can trigger electric actuator work after accomplishing the countdown.

The utility model is further arranged in that the rope pulling device comprises a double joint, a connecting pipe, a weaving sleeve, a rebound pipe, a second spring, a slider and a shell, the double joint is connected with the locking hole, the connecting pipe is connected with the double joint, the weaving sleeve is connected with the connecting pipe, the weaving sleeve is connected with the rebound pipe, the slider is arranged in the rebound pipe in a sliding way, the second spring is arranged between the connecting end of the slider, the rebound pipe and the weaving sleeve, one end of the steel wire rope is connected with the safety bolt, the other end of the steel wire rope passes through the double joint, the connecting pipe, the weaving sleeve, the rebound pipe and the second spring and then is connected with the slider, the rebound pipe is arranged in the shell, the rope pulling device also comprises a first gear set, a second gear set and a capturing gear, the first gear set comprises a first square shaft and a second gear which are coaxially and jointly arranged, the second gear set comprises a third, gear two and three meshing of square shaft, gear four and the meshing of escape pinion still include the rotatable flywheel that sets up in the casing, and the mutual joint cooperation of flywheel and escape pinion is equipped with joint portion on the escape pinion, be equipped with on the flywheel with joint portion joint complex joint groove, still includes the lock pin, the lock pin can insert the casing and lock the flywheel in, still include sector gear, sector gear's one end and the meshing of square shaft one, sector gear's the other end is connected with the casing is articulated, sector gear's the other end is connected with and prevents its torsional spring around articulated axis pivoted, the last brake shoe that is connected with of sector gear, the brake shoe is located the moving direction of slider and can prevents the removal of slider.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model provides a timing safety mechanism of ground disengaging gear, it can break away from the operation to the insurance bolt of grafting on the lock body, its simple structure, reasonable in design.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a first embodiment of the present invention;

fig. 3 is a schematic structural view of a rope pulling device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a three-cord device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention is described below with reference to fig. 1-5:

a timing safety mechanism of an automatic ground disengaging device comprises a safety bolt 33 and a disengaging mechanism, wherein the disengaging mechanism is connected with the safety bolt 33 and can pull the safety bolt 33, the disengaging mechanism comprises a steel wire rope 16 and a pull rope device, one end of the steel wire rope 16 is connected with the safety bolt 33, the other end of the steel wire rope 16 is connected with the pull rope device, and the pull rope device can pull the steel wire rope 16 to move.

In the first embodiment, the rope pulling device comprises a double joint 17, a connecting pipe 18, a braided sleeve 19, a rebound pipe 20, a second spring 21, a sliding block 22, a gear 23, a limiting rack 24, a limiting pin 25 and a shell 26.

The connecting pipe 18 is connected with the double joint 17, the braided sleeve 19 is connected with the connecting pipe 18, the braided sleeve 19 is connected with the rebound pipe 20, the sliding block 22 is slidably arranged in the rebound pipe 20, the spring II 21 is arranged between the sliding block 22 and the connecting end of the rebound pipe 20 and the braided sleeve 19, one end of the steel wire rope 16 is connected with the safety bolt 33, the other end of the steel wire rope 16 penetrates through the double joint 17, the connecting pipe 18, the braided sleeve 19, the rebound pipe 20 and the spring II 21 and then is connected with the sliding block 22, the shell 26 is connected with the rebound pipe 20, the gear 23 is rotatably arranged in the shell 26, the limiting pin 25 is inserted in the shell 26, the limiting pin 25 is connected with the gear 23 and can limit the rotation of the gear 23, the limiting rack 24 is arranged in parallel with the spring II 21, the limiting rack 24 is meshed with the gear 23, and.

The steel wire rope 16 pulls the sliding block 22 to move, the second spring 21 is compressed at the moment, the sliding block 22 can drive the gear 23 to rotate through the limiting rack 24 when moving, when the sliding block 22 moves to a proper position, the gear 23 is locked through the limiting insertion pin 25, the gear 23 cannot rotate, the gear 23 can rotate only when the limiting insertion pin 25 is pulled out, after the limiting insertion pin 25 is pulled out, under the action of the second spring 21, the sliding block 22 rebounds, at the moment, the sliding block 22 can pull the steel wire rope 16, and the steel wire rope 16 pulls the safety plug 33 again.

Wherein, be equipped with extension spring 34 in knitting sleeve pipe 19, extension spring 34 plays the effect of carrying out the design to knitting sleeve pipe.

In the second embodiment, the rope pulling device comprises a double joint 17, a connecting pipe 18, a braided sleeve 19 and a timing tripping device 101, the connecting pipe 18 is connected with the double joint 17, the braided sleeve 19 is connected with the connecting pipe 18, the braided sleeve 19 is connected with the timing tripping device 101, the timing tripping device 101 comprises an electric actuator 1011 and a timer 1012, the electric actuator 1011 pulls the steel wire rope 16 to move, and the timer 1012 can trigger the electric actuator 1011 to work after the countdown is completed. In the above technical solution, the electric actuator 1011 pulls the wire rope 16, the electric actuator 1011 works by being triggered by an electric signal, the timer 1012 initially sets a suitable time, and only after the timer 1012 finishes counting down the set time, the timer 1012 sends a signal command to the electric actuator 1011 to start the electric actuator 1011, for example, the timer 1012 can set a count down of 25 seconds.

In the third embodiment, the rope pulling device includes a double joint 17, a connecting pipe 18, a braided sleeve 19, a rebound pipe 20, a second spring 21, a slider 22 and a housing 26, the double joint 17 is connected to the locking hole, the connecting pipe 18 is connected to the double joint 17, the braided sleeve 19 is connected to the connecting pipe 18, the braided sleeve 19 is connected to the rebound pipe 20, the slider 22 is slidably disposed in the rebound pipe 20, the second spring 21 is disposed between the connecting ends of the slider 22, the rebound pipe 20 and the braided sleeve 19, one end of the steel wire rope 16 is connected to the safety bolt, the other end of the steel wire rope 16 passes through the double joint 17, the connecting pipe 18, the braided sleeve 19, the rebound pipe 20 and the second spring 21 and then is connected to the slider 22, the rebound pipe 20 is disposed in the housing 26, and further includes a first gear set, a second gear set and an escape gear 301, the first gear set includes a first square shaft 302 and a second gear 303 which are coaxially, the second gear set comprises a third square shaft 304 and a fourth gear 305 which are coaxially and in linkage arrangement, a second gear 303 is meshed with the third square shaft 304, a fourth gear 305 is meshed with the escape pinion 301, the second gear further comprises an inertia wheel 306 which is rotatably arranged in the shell 26, the inertia wheel 306 is in clamping fit with the escape pinion 301, the escape pinion 301 is provided with a clamping part 3011, the inertia wheel 306 is provided with a clamping groove 3061 in clamping fit with the clamping part 3011, the second gear further comprises a locking pin 307, the locking pin 307 can be inserted into the shell 26 to lock the inertia wheel 306, the second gear further comprises a sector gear 308, one end of the sector gear 308 is meshed with the first square shaft 302, the other end of the sector gear 308 is hinged with the shell 26, the other end of the sector gear 308 is connected with a torsion spring 309 which prevents the sector gear 308 from rotating around a hinge axis, the torsion spring 309 is used for keeping the sector gear 308 at a fixed position, when the, the torsion spring 309 is elastically and torsionally deformed, the torsion spring 309 applies a leftward force to the sector gear 308, the housing 26 is further provided with a pull rope 321 for pulling the sector gear 308 to limit the leftward movement distance of the sector gear 308, and the sector gear 308 is connected with a brake block 400, wherein the brake block 400 is located in the movement direction of the slider 22 and can prevent the slider 22 from moving.

Before the timing safety mechanism is used, the steel wire rope is firstly pulled out, and the spring II is compressed. And the slide block at the top of the second spring is in contact with a brake block on the sector gear, and the brake block is pressed by the slide block to enable the sector gear to rotate. The sector gear and the brake block return to the original position under the action of the restoring force of the torsion spring, and the second spring stops being continuously compressed. And connecting the connecting wire ring buckle at the tail end of the soft lock needle with the parachute ring buckle, so that the air drop presetting work is completed.

After the parachute is opened after air drop, the stopping soft locking needle is pulled out along with the opening of the parachute, and the mechanism starts to work under the action of the restoring force of the spring II; the force moment is transmitted to the escape wheel by the rotation of the multi-stage speed-up gear, and the escape wheel and the inertia wheel form a delay time of the escape speed regulator control mechanism without inherent period, so that the mechanism moves at a constant speed. Because the sector gear rotates together with the brake block on the sector gear, after the outermost end of the brake block rotates past the boundary point on the right side of the circumference of the sliding block, the sliding block is released, the steel wire rope transmits the restoring force of the second spring out, the steel wire rope restores the original position, and the safety bolt is pulled out.

The above description is only for the 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. A timing safety mechanism of an automatic ground disengaging device is characterized in that: the safety bolt is connected with the release mechanism, the release mechanism can pull the safety bolt, the release mechanism comprises a steel wire rope and a rope pulling device, one end of the steel wire rope is connected with the safety bolt, the other end of the steel wire rope is connected with the rope pulling device, and the rope pulling device can pull the steel wire rope to move.

2. A timing safety mechanism for an automatic ground disengaging device according to claim 1, wherein: the rope pulling device comprises a double joint, a connecting pipe, a braided sleeve, a rebound pipe, a spring II, a sliding block, a gear, a limit rack, a limit contact pin and a shell, the connecting pipe is connected with the double joint, the braided sleeve is connected with the connecting pipe, the braided sleeve is connected with the rebound pipe, slider slidable set up in the resilience pipe, spring two sets up in slider and resilience pipe and weave between the bushing end, wire rope one end and insurance bolt connection, the wire rope other end passes the double-end, the connecting pipe, weave the sleeve pipe, the resilience pipe, be connected with the slider behind the spring two, the casing is connected with the resilience pipe, the rotatable setting of gear is in the casing, spacing contact pin is pegged graft on the casing, spacing contact pin and gear connection can restrict the rotation of gear, spacing rack and the two parallel arrangement of spring, spacing rack and gear engagement, spacing rack is connected with the slider linkage.

3. A timing safety mechanism for an automatic ground disengaging device according to claim 2, wherein: the braided sleeve is internally provided with a tension spring.

4. A timing safety mechanism for an automatic ground disengaging device according to claim 1, wherein: the rope pulling device comprises a double joint, a connecting pipe, a braided sleeve and a timing tripping device, wherein the connecting pipe is connected with the double joint, the braided sleeve is connected with the connecting pipe, the braided sleeve is connected with the timing tripping device, the timing tripping device comprises an electric actuator and a timer, the electric actuator pulls a steel wire rope to move, and the timer can trigger the electric actuator to work after countdown is completed.

5. A timing safety mechanism for an automatic ground disengaging device according to claim 1, wherein: the rope pulling device comprises a double joint, a connecting pipe, a weaving sleeve, a rebound pipe, a second spring, a sliding block and a shell, wherein the double joint is connected with a locking hole, the connecting pipe is connected with the double joint, the weaving sleeve is connected with the connecting pipe, the weaving sleeve is connected with the rebound pipe, the sliding block is arranged in the rebound pipe in a sliding way, the second spring is arranged between the sliding block and the connecting end of the rebound pipe and the weaving sleeve, one end of a steel wire rope is connected with a safety bolt, the other end of the steel wire rope penetrates through the double joint, the connecting pipe, the weaving sleeve, the rebound pipe and the second spring and then is connected with the sliding block, the rebound pipe is arranged in the shell and further comprises a first gear set, a second gear set and an escape gear, the first gear set comprises a first square shaft and a second gear which are coaxially and jointly arranged, the second gear set comprises a third square shaft and a fourth gear which, gear four and the meshing of escape pinion still include the rotatable flywheel that sets up in the casing, the cooperation of the mutual joint of flywheel and escape pinion, be equipped with joint portion on the escape pinion, be equipped with on the flywheel with joint portion joint complex joint groove, still include the lock needle, the lock needle can insert and lock the flywheel in the casing, still include sector gear, sector gear's one end and the meshing of square shaft one, sector gear's the other end is connected with the casing is articulated, sector gear's the other end is connected with and prevents its torsional spring around articulated axis pivoted, is connected with the brake pads on the sector gear, the brake pads is located the moving direction of slider and can prevents the removal of slider.