CN112678176B - Releasing mechanism for throwing forest aviation fire extinguishing bomb - Google Patents
Releasing mechanism for throwing forest aviation fire extinguishing bomb Download PDFInfo
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- CN112678176B CN112678176B CN202011513490.7A CN202011513490A CN112678176B CN 112678176 B CN112678176 B CN 112678176B CN 202011513490 A CN202011513490 A CN 202011513490A CN 112678176 B CN112678176 B CN 112678176B
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Abstract
The invention discloses a releasing mechanism for releasing forest aviation fire-extinguishing bombs, which comprises an installation support, a fixed seat, a rotating shaft, a hook, a locking pin, an electric push rod device and an electric push rod adapter; the mounting bracket is fixed on the carrier and used for fixing all components of the release mechanism; the fixed seat is fastened on the mounting bracket and used for mounting and fixing the hook; the locking pin penetrates through the fixed seat; the push rod device comprises a power mechanism and a push rod, the push rod is fixedly connected with the locking pin, the power mechanism drives the push rod to move back and forth in the axial direction so as to drive the locking pin to move back and forth, so that the locking pin is inserted or pulled out to lock and unlock the hook, and the push rod device is fixed on the mounting bracket through a push rod adapter; the invention can complete the releasing action within 2s, has the characteristics of simple and reliable structure, high releasing speed and the like, and can be used for releasing fire extinguishing bombs mounted on unmanned planes and helicopter.
Description
Technical Field
The invention relates to the technical field of airborne bombing, in particular to a releasing mechanism for releasing forest aviation fire extinguishing bombs.
Background
At present, the mode of hanging water by a helicopter is mostly adopted for forest aviation fire extinguishment in China, but the mode is greatly influenced by factors such as water source places, seasons, throwing precision and the like, particularly when strong wind and ascending airflow interference of a fire scene occur, the fire extinguishment efficiency is relatively low, and quick suppression of important targets (such as military targets and cultural relics), important forest resources (such as original forests) and initial fires is difficult to realize. Aiming at the defects of water-hanging fire extinguishment of a helicopter, a plurality of forest aviation fire extinguishing bombs are developed by a plurality of enterprises in China, and the fire extinguishing bombs can be thrown by the helicopter or the unmanned aerial vehicle in a long distance, so that the surface fire and the crown fire can be accurately struck, and the rapid suppression of the fire situation and the protection of important targets can be realized.
The mounting and the releasing of the fire extinguishing bomb are mostly finished by means of a releasing device, however, the existing releasing device is mostly developed by a special carrier platform and is difficult to adapt to unmanned planes or helicopters of different types; in addition, taking a helicopter as an example, the flying speed of the helicopter when the helicopter is thrown above a forest fire scene is 60 km/h-80 km/h, and the throwing time of the existing throwing device is generally more than 3s, so that the throwing distance between adjacent fire-extinguishing bombs is more than 50m, and a continuous and effective linear fire-extinguishing isolation belt is difficult to form.
In conclusion, the existing forest aviation fire extinguishing bomb releasing device has the problems of poor adaptability and long bomb throwing interval time, so that a forest aviation fire extinguishing bomb releasing mechanism with strong adaptability and short bomb throwing time is urgently needed.
Disclosure of Invention
The invention aims to solve the problems in the background technology, enhance the adaptability of the throwing device and shorten the throwing time, and provides a releasing mechanism for throwing forest aviation fire-extinguishing bombs.
In order to achieve the above purpose, the invention provides the following technical scheme:
a release mechanism for throwing forest aviation fire extinguishing bombs comprises a mounting bracket, a fixed seat, a rotating shaft, a hook, a locking pin, a push rod device and a push rod device adapter;
the mounting bracket is fixed on the carrier and used for fixing all components of the release mechanism;
the fixing seat comprises a rectangular base, a first mounting wall, a second mounting wall and a rotating shaft, wherein the first mounting wall and the second mounting wall are arranged on the base, are identical in size and shape and are parallel to each other, the rotating shaft is arranged between the two mounting walls, the base is fastened on the mounting support, the first mounting wall, the second mounting wall and the rotating shaft form an H-shaped structure for mounting and fixing a hook, the hook is arranged between the two mounting walls, the rotating shaft penetrates through the middle part of the transition between the hook body of the hook and the hook handle of the hook, the hook can rotate around the rotating shaft, and the hook is used for hanging forest aviation fire extinguishing bombs;
the locking pin sequentially penetrates through the first mounting wall, the top of the hook handle of the hook and the second mounting wall and can move back and forth to realize locking and unlocking of the hook; the push rod device comprises a power mechanism and a push rod, the push rod is coaxial with the locking pin, the push rod is fixedly connected with the locking pin, the power mechanism drives the push rod to axially move back and forth to drive the locking pin to move back and forth so as to insert or extract the locking pin to lock and unlock the hook, and the push rod device is fixed on the mounting bracket through the push rod device adapter.
Preferably, the mounting bracket includes a first plate, a second plate, a first angle iron and a second angle iron, the first plate and the second plate are rectangular plate-shaped structures with the same size and shape and are parallel to each other, the first angle iron and the second angle iron are right-angle iron structures, the first angle iron is longer than the second angle iron, one end of the first plate and one end of the second plate are welded on the side surface of the right-angle outer side of the first angle iron, the other end of the first plate and the other end of the second plate are welded on the end surface of the second angle iron with longer side length, one of the right-angle edges of the first angle iron and the second angle iron is located on the same side of the mounting bracket and is used for mounting and fixing the mounting bracket on the carrier, and the mounting bracket is provided with a plurality of screw holes for mounting components of the release mechanism.
More preferably, the base is provided with a plurality of screw holes, and the fixing seat is fastened on the mounting bracket through bolts in cooperation with the screw holes on the mounting bracket.
Preferably, the locking pin is of a cylindrical boss structure, the cylinder with the smaller diameter is longer than the cylinder with the larger diameter, the cylinder with the smaller diameter sequentially penetrates through the first installation wall, the top of the hook handle of the hook and the second installation wall and can move back and forth to lock and unlock the hook, the cylinder with the larger diameter is back to the end face of the first installation wall and is provided with a groove, one end of the locking pin provided with the groove is provided with a push rod device, the push rod device is an electric push rod device and comprises an electric motor and a push rod, the push rod is coaxial with the locking pin, the electric motor is positioned on one side of the push rod, the electric motor can drive the push rod to move back and forth in the axial direction through a gear, the push rod is close to the end face of the locking pin and is provided with a bulge matched with the groove on the locking pin, and the bulge of the push rod is clamped in the groove on the locking pin to form a clamping position of concave-convex butt joint, and the pin shaft radially penetrates through the clamping part to fasten the push rod and the locking pin so as to be fixedly connected, and the motor drives the push rod to move back and forth in the axial direction through the gear so as to drive the locking pin to move back and forth so as to insert or pull out the locking pin to lock and unlock the hook.
Preferably, the hook body of couple does not be equipped with the barb point just the hook body hang the contained angle that the hanging face of hook body and the hook of couple are greater than 90, and forest aviation fire extinguishing bomb hangs on the hanging face of hook body, and when the couple unblock rotated, the hanging face that the forest aviation fire extinguishing bomb can slide down the hook body under the effect of gravity accomplishes the release.
Preferably, still draw including upset spring and two upset springs and detain, the upset spring draws the auricle on detaining including the rectangle base that both ends were equipped with the screw and locating the base, and one of them upset spring draws the knot to pass through the screw at base both ends uses the bolt fastening in the top that the couple hook was handled, the fixing base is close to the one end that the couple hook body is equipped with the extension limit of rectangle, and another upset spring draws the knot to pass through the screw at base both ends uses the bolt fastening in extend the edge, the both ends of upset spring are fixed in respectively just make the upset spring be in tensile state on two auricles, when the couple unblock can rotate, the upset spring shrink pulling couple hook top, the helping hand couple rotates.
Preferably, the steel wire rope hook further comprises a release power-assisted mechanism, the release power-assisted mechanism comprises a first release power-assisted spring, a second release power-assisted spring, a release power-assisted pressing plate, a first L-shaped plate and a second L-shaped plate, the L-shaped plates are of right-angle iron structures, two screw holes are formed in one right-angle edge, a screw hole is formed in the other right-angle edge, the first L-shaped plate is fixed to the outer side of the first installation wall through two screw holes in one right-angle edge by using bolts, the other right-angle edge of the first L-shaped plate is close to the hook body, the second L-shaped plate is fixed to the outer side of the second installation wall through two screw holes in one right-angle edge by using bolts, the other right-angle edge of the second L-shaped plate is close to the hook body, the two L-shaped plates are symmetrical relative to the fixing base, and the two screw holes are designed for fixing the L-shaped plates in order to avoid the rotation of the L-shaped plates on the outer sides of the installation walls, the release helping hand clamp plate is the auricle structure that both ends were equipped with the screw, and the diameter of release helping hand spring is greater than the screw diameter of the screw diameter on another right-angle side of L template and the screw diameter of release helping hand clamp plate, will through bolt and nut first release helping hand spring is fixed in the screw on another right-angle side of first L template with between the screw of release helping hand clamp plate one end, will through bolt and nut second release helping hand spring is fixed in the screw on another right-angle side of second L template and between the screw of the release helping hand clamp plate other end, first release helping hand spring and second release helping hand spring all are in compression state during the couple carry, and when the couple unblock can rotate, two helping hand springs stretched and promoted the hanging surface of couple body through release helping hand clamp plate, and the helping hand couple rotates.
Preferably, the hook buffer pad is further included, and the hook buffer pad is fixed at the position where the mounting bracket and the hook are in contact through bolts and used for preventing the hook from colliding with the mounting bracket when rotating.
Preferably, the hook further comprises a release sensor, the release sensor is a photosensitive sensor and is fixed on the back of the mounting bracket through a bolt, and when the rotating angle of the hook is larger than 25 degrees, the release sensor can detect the rotating action of the hook.
Compared with the prior art, the invention has the following beneficial effects:
1. the release mechanism provided by the invention has a simple and reliable structure, and the release mechanism controls the system to issue the releasing instruction through a row of combined structures until the hook finishes the release action, and the whole process does not exceed 2 s.
2. The release mechanism provided by the invention can detect the completion condition of the release action of the hook through the release detection sensor and feed back the release information to the control system, so that an operator can control the putting condition of the fire extinguishing bomb.
3. The release mechanism provided by the invention can be used singly or in combination, and when the release mechanism is used in combination, the fire extinguishing bombs can be conveniently and continuously and linearly distributed and thrown in a cluster, so that a fire extinguishing isolation belt is quickly developed on a forest fire scene.
4. The release mechanism provided by the invention can adapt to helicopters and unmanned planes of different models only by changing the mechanical interface of the mounting bracket of the release mechanism.
5. The unlocking action of the hook is realized through the locking pin and the electric push rod, so that the throwing of the fire extinguishing bomb is completed, the locking pin and the electric push rod can be repeatedly used, and the use cost can be saved to a certain extent.
Drawings
FIG. 1 is a diagram of the release mechanism according to an embodiment of the present invention;
FIG. 2 is a front view of a release mechanism in an embodiment of the present invention;
FIG. 3 is a middle cross-sectional view of a release mechanism in an embodiment of the present invention;
FIG. 4 is a rear partial view of a release mechanism in an embodiment of the present invention;
FIG. 5 is a view of the connection between the power putter and the locking pin according to the embodiment of the present invention;
FIG. 6 is a profile view of a locking pin according to an embodiment of the present invention;
FIG. 7 is an exterior view of a hanger in an embodiment of the present invention.
In the figure; 1-mounting a bracket; 1.1-a first plate; 1.2-second plate; 1.3-first angle iron; 1.4-second angle iron; 2-a fixed seat; 2.1 — a first mounting wall; 2.2-a second mounting wall; 2.3-extending edges; 3-hooking; 3.1-hooking; 3.2-hook handle; 3.3-hook the top of the handle; 3.4-hanging fine dried noodles; 4-a rotating shaft; 5-a locking pin; 5.1-cylinders with smaller diameter; 5.2-cylinders with larger diameter; 5.3-clamping part; 6-a push rod device; 6.1-power mechanism; 6.2-push rod; 7-a push rod device adapter; 8-a flip spring; 9-turning over the spring pull buckle; 10-a first release assist spring; 11-a second release assist spring; 12-releasing the booster pressing plate; 13-a first L-shaped plate; 14-a second L-shaped plate; 15-hook buffer; 16-release sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-7, a release mechanism for releasing forest aviation fire-extinguishing bombs comprises a mounting bracket, a fixed seat, a rotating shaft, a hook, a locking pin, a push rod device and a push rod device adapter;
the mounting bracket is fixed on the carrier and used for fixing all components of the release mechanism;
the fixing seat comprises a rectangular base, a first mounting wall, a second mounting wall and a rotating shaft, wherein the first mounting wall and the second mounting wall are arranged on the base, are identical in size and shape and are parallel to each other, the rotating shaft is arranged between the two mounting walls, the base is fastened on the mounting support, the first mounting wall, the second mounting wall and the rotating shaft form an H-shaped structure for mounting and fixing a hook, the hook is arranged between the two mounting walls, the rotating shaft penetrates through the middle part of the transition between the hook body of the hook and the hook handle of the hook, the hook can rotate around the rotating shaft, and the hook is used for hanging forest aviation fire extinguishing bombs;
the hook body of couple does not be equipped with the barb point just the contained angle that the hanging face of hook body and the hook of couple were 105, and forest aviation fire extinguishing bomb hangs on the hanging face of hook body, and when the couple unblock rotated, the hanging face that forest aviation fire extinguishing bomb can slide down the hook body under the effect of gravity accomplishes the release, learns according to the experiment, the couple reliably puts in the minimum turned angle that forest aviation fire extinguishing bomb was 15, in this embodiment, the couple turned angle is 51.
The mounting bracket comprises a first plate, a second plate, a first angle iron and a second angle iron, wherein the first plate and the second plate are of rectangular plate-shaped structures with the same size and shape and are parallel to each other, the first angle iron and the second angle iron are of right-angle iron structures, the first angle iron is longer than the second angle iron, one end of the first plate and one end of the second plate are welded on the side surface of the right-angle outer side of the first angle iron, the other end of the first plate and the other end of the second plate are welded on the end surface with the longer side length of the second angle iron, one of the right-angle edges of the first angle iron and the second angle iron is located on the same side of the mounting bracket for fixedly mounting the mounting bracket on the carrier, and the mounting bracket is provided with a plurality of screw holes for mounting each component.
More preferably, the base is provided with 6 screw holes, and the fixing seat is fastened on the mounting bracket through bolts in cooperation with the screw holes on the mounting bracket.
The locking pin is of a cylindrical boss structure, the cylinder with the smaller diameter is longer than the cylinder with the larger diameter, the cylinder with the smaller diameter sequentially penetrates through the first installation wall, the top of the hook handle of the hook and the second installation wall and can move back and forth to realize locking and unlocking of the hook, the cylinder with the larger diameter is back to the end face of the first installation wall and is provided with a groove, one end of the locking pin, which is provided with the groove, is provided with an electric push rod device, the push rod device comprises an electric push rod device and a push rod, the push rod is coaxial with the locking pin, the electric motor is positioned on one side of the push rod, the electric motor can drive the push rod to move back and forth in the axial direction through a gear, the end face of the push rod, which is close to the locking pin, is provided with a bulge matched with the groove on the locking pin, and the bulge of the push rod is clamped in the groove on the locking pin to form a concave-convex butt joint position, the pin shaft radially penetrates through the clamping part to fasten the push rod and the locking pin so as to be fixedly connected, the motor drives the push rod to axially move back and forth through the gear so as to drive the locking pin to move back and forth so as to insert or extract the locking pin to lock and unlock the hook, and the push rod device is fixed on the mounting bracket through the push rod device adapter.
In this embodiment, the specific working process of the present invention is as follows:
1. the aerial carrier carries forest fire extinguishing bombs to the sky above forest fires through the releasing mechanism, the control system sends out a bomb throwing instruction, the electric push rod device is powered on, and the locking pin is pulled;
2. the hook is unlocked and rotates under the action of gravity to finish the throwing of the fire extinguishing bomb;
example 2
As shown in fig. 1-7, a release mechanism for releasing forest aviation fire-extinguishing bombs comprises a mounting bracket, a fixed seat, a rotating shaft, a hook, a locking pin, an electric push rod device and an electric push rod adapter;
the mounting bracket is fixed on the carrier and used for fixing all components of the release mechanism;
the fixing seat comprises a rectangular base, a first mounting wall, a second mounting wall and a rotating shaft, wherein the first mounting wall and the second mounting wall are arranged on the base, are identical in size and shape and are parallel to each other, the rotating shaft is arranged between the two mounting walls, the base is fastened on the mounting support, the first mounting wall, the second mounting wall and the rotating shaft form an H-shaped structure for mounting and fixing a hook, the hook is arranged between the two mounting walls, the rotating shaft penetrates through the middle part of the transition between the hook body of the hook and the hook handle of the hook, the hook can rotate around the rotating shaft, and the hook is used for hanging forest aviation fire extinguishing bombs;
the hook body of couple does not be equipped with the barb point just the contained angle that the hanging face of hook body and the hook of couple were 105, and forest aviation fire extinguishing bomb hangs on the hanging face of hook body, and when the couple unblock rotated, the hanging face that forest aviation fire extinguishing bomb can slide down the hook body under the effect of gravity accomplishes the release, learns according to the experiment, the couple reliably puts in the minimum turned angle that forest aviation fire extinguishing bomb was 15, in this embodiment, the couple turned angle is 51.
The mounting bracket comprises a first plate, a second plate, a first angle iron and a second angle iron, wherein the first plate and the second plate are of rectangular plate-shaped structures with the same size and shape and are parallel to each other, the first angle iron and the second angle iron are of right-angle iron structures, the first angle iron is longer than the second angle iron, one end of the first plate and one end of the second plate are welded on the side surface of the right-angle outer side of the first angle iron, the other end of the first plate and the other end of the second plate are welded on the end surface with the longer side length of the second angle iron, one of the right-angle edges of the first angle iron and the second angle iron is located on the same side of the mounting bracket for fixedly mounting the mounting bracket on the carrier, and the mounting bracket is provided with a plurality of screw holes for mounting each component.
More preferably, the base is provided with 6 screw holes, and the fixing seat is fastened on the mounting bracket through bolts in cooperation with the screw holes on the mounting bracket.
The locking pin is of a cylindrical boss structure, the cylinder with the smaller diameter is longer than the cylinder with the larger diameter, the cylinder with the smaller diameter sequentially penetrates through the first installation wall, the top of the hook handle of the hook and the second installation wall and can move back and forth to realize locking and unlocking of the hook, the cylinder with the larger diameter is back to the end face of the first installation wall and is provided with a groove, one end of the locking pin, which is provided with the groove, is provided with an electric push rod device, the push rod device comprises an electric push rod device and a push rod, the push rod is coaxial with the locking pin, the electric motor is positioned on one side of the push rod, the electric motor can drive the push rod to move back and forth in the axial direction through a gear, the end face of the push rod, which is close to the locking pin, is provided with a bulge matched with the groove on the locking pin, and the bulge of the push rod is clamped in the groove on the locking pin to form a concave-convex butt joint position, the pin shaft radially penetrates through the clamping part to fasten the push rod and the locking pin so as to be fixedly connected, the motor drives the push rod to axially move back and forth through the gear so as to drive the locking pin to move back and forth so as to insert or extract the locking pin to lock and unlock the hook, and the push rod device is fixed on the mounting bracket through the push rod device adapter.
Still draw and detain including upset spring and two upset springs, upset spring draws and detains the rectangle base that includes both ends and locate the screw on the base and detain, and one of them upset spring draws and detains and passes through the screw at base both ends uses the bolt fastening in the top of couple hook handle, the fixing base is close to the one end of couple hook body is equipped with the extension limit of rectangle, and another upset spring draws and detains and passes through the screw at base both ends uses the bolt fastening in extend the edge, the both ends of upset spring are fixed in respectively just make the upset spring be in tensile state on two ears, when the couple unblock can rotate, the top of upset spring shrink pulling couple hook handle, helping hand couple rotates.
The device also comprises a release power-assisted mechanism, the release power-assisted mechanism comprises a first release power-assisted spring, a second release power-assisted spring, a release power-assisted pressing plate, a first L-shaped plate and a second L-shaped plate, the L-shaped plate is of a right-angle iron structure, two screw holes are arranged on one right-angle edge, a screw hole is arranged on the other right-angle edge, the first L-shaped plate is fixed on the outer side of the first installation wall through two screw holes on one right-angle edge by using bolts, the other right-angle edge of the first L-shaped plate is close to the hook body of the hook, the second L-shaped plate is fixed on the outer side of the second installation wall through two screw holes on one right-angle edge by using bolts, the other right-angle edge of the second L-shaped plate is close to the hook body of the hook, the two L-shaped plates are symmetrical relative to the fixing base, the two screw holes are designed for fixing the L-shaped plate so as to avoid the L-shaped plate rotating on the outer side of the installation wall, the release power-assisted pressing plate is of a lug structure with screw holes arranged at the two ends, the diameter of the releasing power-assisted spring is larger than the diameter of a screw hole of the other right-angle edge of the L-shaped plate and the diameter of a screw hole of the releasing power-assisted pressing plate, the first releasing power-assisted spring is fixed between the screw hole of the other right-angle edge of the first L-shaped plate and the screw hole at one end of the releasing power-assisted pressing plate through a bolt nut, the second releasing power-assisted spring is fixed between the screw hole of the other right-angle edge of the second L-shaped plate and the screw hole at the other end of the releasing power-assisted pressing plate through a bolt nut, the first releasing power-assisted spring and the second releasing power-assisted spring are both in a compression state during hanging of the hook, when the hook can rotate during unlocking, the two power-assisted springs stretch to push the hanging surface of the hook body through the releasing power-assisted pressing plate, and the power-assisted hook rotates.
The hook buffer cushion is fixed at the position where the mounting support and the hook are contacted through bolts and used for preventing the hook from colliding with the mounting support when rotating.
The hook is characterized by further comprising a release sensor, the release sensor is a photosensitive sensor and is fixed to the back of the mounting bracket through a bolt, and when the rotating angle of the hook is larger than 25 degrees, the release sensor can detect the rotating action of the hook.
In this embodiment, the specific working process of the present invention is as follows:
1. the aerial carrier carries forest fire extinguishing bombs to the sky above forest fires through the releasing mechanism, the control system sends out a bomb throwing instruction, the electric push rod device is powered on, and the locking pin is pulled;
2. the hook is unlocked and rotates under the action of gravity, a turnover spring and a release assisting mechanism to finish the throwing of the fire extinguishing bomb;
3. the release detection sensor detects that the hook completes the release action and feeds back the release information to the control system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A release mechanism for releasing forest aviation fire extinguishing bomb, its characterized in that: comprises a mounting bracket, a fixed seat, a rotating shaft, a hook, a locking pin, a push rod device and a push rod device adapter;
the mounting bracket is fixed on the carrier and used for fixing all components of the release mechanism;
the fixing seat comprises a rectangular base, a first mounting wall, a second mounting wall and a rotating shaft, wherein the first mounting wall and the second mounting wall are arranged on the base, are identical in size and shape and are parallel to each other, the rotating shaft is arranged between the two mounting walls, the base is fastened on the mounting support, the first mounting wall, the second mounting wall and the rotating shaft form an H-shaped structure for mounting and fixing the hook, the hook is arranged between the two mounting walls, the rotating shaft penetrates through the middle part of the transition between the hook body of the hook and the hook handle of the hook, and the hook can rotate around the rotating shaft;
the locking pin sequentially penetrates through the first mounting wall, the top of the hook handle of the hook and the second mounting wall and can move back and forth to realize locking and unlocking of the hook; the push rod device comprises a power mechanism and a push rod, the push rod is coaxial with the locking pin, the push rod is fixedly connected with the locking pin, the power mechanism drives the push rod to axially move back and forth to drive the locking pin to move back and forth so as to insert or extract the locking pin to lock and unlock the hook, and the push rod device is fixed on the mounting bracket through a push rod device adapter.
2. A release mechanism for use in delivering forest fire bombs according to claim 1, wherein: the mounting bracket comprises a first plate, a second plate, a first angle iron and a second angle iron, wherein the first plate and the second plate are of rectangular plate-shaped structures with the same size and shape and are parallel to each other, the first angle iron and the second angle iron are of right-angle iron structures, the first angle iron is longer than the second angle iron, one end of the first plate and one end of the second plate are welded on the side surface of the right-angle outer side of the first angle iron, the other end of the first plate and the other end of the second plate are welded on the end surface with the longer side length of the second angle iron, one of the right-angle edges of the first angle iron and the second angle iron is located on the same side of the mounting bracket for fixedly mounting the mounting bracket on the carrier, and the mounting bracket is provided with a plurality of screw holes for mounting each component.
3. A release mechanism for putting in forest fire bombs as claimed in claim 2, characterized in that: the locking pin is of a cylindrical boss structure, the cylinder with the smaller diameter is longer than the cylinder with the larger diameter, the cylinder with the smaller diameter sequentially penetrates through the first installation wall, the top of the hook handle of the hook and the second installation wall and can move back and forth to realize locking and unlocking of the hook, the cylinder with the larger diameter is back to the end face of the first installation wall and is provided with a groove, one end of the locking pin, which is provided with the groove, is provided with a push rod device, the push rod device is an electric push rod device and comprises an electric motor and a push rod, the push rod is coaxial with the locking pin, the electric motor is positioned on one side of the push rod, the electric motor can drive the push rod to move back and forth in the axial direction through a gear, the end face of the push rod, which is close to the locking pin, is provided with a bulge matched with the groove on the locking pin, and the bulge of the push rod is clamped in the groove on the locking pin to form a concave-convex butt joint position, and the pin shaft radially penetrates through the clamping part to fasten the push rod and the locking pin so as to be fixedly connected.
4. A release mechanism for putting in forest fire extinguishing bomb according to claim 3, characterised in that: the hook body of the hook is not provided with a barb tip, and the included angle between the hanging surface of the hook body and the hook handle of the hook is larger than 90 degrees.
5. A release mechanism for putting in forest fire extinguishing bomb according to claim 4, characterized in that: still draw including upset spring and two upset springs and detain, the upset spring draws detains the auricle on including the rectangle base that both ends were equipped with the screw and locating the base, and one of them upset spring draws detains and passes through the screw at base both ends uses the bolt fastening in the top that the couple hook was, the fixing base is close to the one end of couple hook body is equipped with the extension limit of rectangle, and another upset spring draws detains and passes through the screw at base both ends uses the bolt fastening in extend the edge, the both ends of upset spring are fixed in respectively just make the upset spring be in tensile state on two auricles, make it can helping hand couple clockwise rotation when the couple unblock.
6. A release mechanism for putting in forest fire extinguishing bomb according to claim 5, characterized in that: the device also comprises a release power-assisted mechanism, the release power-assisted mechanism comprises a first release power-assisted spring, a second release power-assisted spring, a release power-assisted pressing plate, a first L-shaped plate and a second L-shaped plate, the L-shaped plate is of a right-angle iron structure, two screw holes are arranged on one right-angle edge, a screw hole is arranged on the other right-angle edge, the first L-shaped plate is fixed on the outer side of the first installation wall through two screw holes on one right-angle edge by using bolts, the other right-angle edge of the first L-shaped plate is close to the hook body of the hook, the second L-shaped plate is fixed on the outer side of the second installation wall through two screw holes on one right-angle edge by using bolts, the other right-angle edge of the second L-shaped plate is close to the hook body of the hook, the two L-shaped plates are symmetrical relative to the fixing base, the two screw holes are designed for fixing the L-shaped plate so as to avoid the L-shaped plate rotating on the outer side of the installation wall, the release power-assisted pressing plate is of a lug structure with screw holes arranged at the two ends, the diameter of the releasing power-assisted spring is larger than the diameter of a screw hole of the other right-angle edge of the L-shaped plate and the diameter of a screw hole of the releasing power-assisted pressing plate, the first releasing power-assisted spring is fixed between the screw hole of the other right-angle edge of the first L-shaped plate and the screw hole at one end of the releasing power-assisted pressing plate through a bolt nut, the second releasing power-assisted spring is fixed between the screw hole of the other right-angle edge of the second L-shaped plate and the screw hole at the other end of the releasing power-assisted pressing plate through a bolt nut, the first releasing power-assisted spring and the second releasing power-assisted spring are both in a compression state during hook hanging, and the power-assisted hook can rotate clockwise when the hook is unlocked.
7. A release mechanism for putting in forest fire extinguishing bomb according to claim 6, characterized in that: the hook buffer cushion is fixed at the position where the mounting support and the hook are contacted through bolts and used for preventing the hook from colliding with the mounting support when rotating.
8. A release mechanism for putting in forest fire extinguishing bomb according to claim 7, characterized in that: the hook is characterized by further comprising a release sensor, the release sensor is a photosensitive sensor and is fixed to the back of the mounting bracket through a bolt, and when the rotating angle of the hook is larger than 25 degrees, the release sensor can detect the rotating action of the hook.
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| CN202011513490.7A CN112678176B (en) | 2020-12-19 | 2020-12-19 | Releasing mechanism for throwing forest aviation fire extinguishing bomb |
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| CN202011513490.7A CN112678176B (en) | 2020-12-19 | 2020-12-19 | Releasing mechanism for throwing forest aviation fire extinguishing bomb |
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| CN112678176A CN112678176A (en) | 2021-04-20 |
| CN112678176B true CN112678176B (en) | 2022-06-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113525904B (en) * | 2021-06-11 | 2023-05-26 | 湖北三江航天机电设备有限责任公司 | Novel release device |
| CN113697109B (en) * | 2021-09-29 | 2024-03-26 | 上海扩博智能技术有限公司 | Unmanned aerial vehicle mounting device, unmanned aerial vehicle mounting system and operation method of unmanned aerial vehicle mounting system |
| CN116443251B (en) * | 2023-06-09 | 2023-08-22 | 四川观想科技股份有限公司 | System ammunition throwing device for unmanned aerial vehicle |
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| GB2104951A (en) * | 1979-01-22 | 1983-03-16 | Alkan R & Cie | Independently lockable aircraft load suspension hooks |
| CN104364184A (en) * | 2012-05-15 | 2015-02-18 | 科恩起重机有限公司 | Lifting hook and safety latch for lifting hook |
| CN106114729A (en) * | 2016-07-21 | 2016-11-16 | 东莞威信运动用品有限公司 | The folding drive mechanism of folded bicycle |
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| CN112678176A (en) | 2021-04-20 |
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