Depth-keeping load rejection device

Abstract

The utility model relates to the technical field of load rejection devices, and discloses a fixed-depth load rejection device which comprises a device body, an installation plate arranged in the device body, a hook assembly fixedly installed on the installation plate, a protective cover arranged on the installation plate and an air cylinder arranged in the protective cover. An activator works and activates a thermal battery, the thermal battery outputs direct current to an electric exploder in a gas cylinder assembly after being activated, the electric exploder ignites to push a ram to move and break an exhaust nozzle, high-pressure nitrogen stored in a high-pressure gas cylinder is output to an unlocking mechanism from the exhaust nozzle along a pipeline, and gas enters a pneumatic pin through a gas inlet; and when the exposed section of the pin shaft completely retreats into the shell, the limiting plate is clamped into the limiting groove under the action of the torsional spring, the pin shaft is locked, at the moment, the load is unlocked, after unlocking, high-pressure gas enters the air cylinder along the pipeline, and an air cylinder piston pushes the hook assembly to achieve hook movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to a throw weight device technical field, concretely is deep throw weight device. BACKGROUND

[0002] The throw weight mechanism is composed of solid ballast, adjusting cable, battery, mechanical hand and other throwable objects and release mechanism to make the submersible obtain positive buoyancy and float up under certain conditions.

[0003] The traditional deep throw weight device cannot make the piston move in each direction during use, so the throw weight device cannot be used under different postures during diving or floating, which leads to poor practicability of the traditional throw weight device. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a deep throw weight device to solve the problem that the traditional deep throw weight device cannot make the piston move in each direction during use, so the throw weight device cannot be used under different postures during diving or floating, which leads to poor practicability of the traditional throw weight device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a deep throw weight device, comprising a device main body, an installation plate arranged in the device main body, a hook assembly fixedly installed on the installation plate, a protective cover arranged on the installation plate, a gas cylinder arranged in the protective cover, a piston arranged in the gas cylinder, a gas cylinder cover installed at one end of the gas cylinder, a connector arranged at the upper end of the gas cylinder cover, a sealing ring arranged in the gas cylinder, a connecting seat arranged at the other end of the gas cylinder, a slot formed in the connecting seat, a gas cylinder assembly arranged on the installation plate, a switching assembly arranged on the gas cylinder assembly, a connecting pipeline connected between the gas cylinder assembly and the gas cylinder,

[0006] The above technical scheme activates the heater and activates the thermocell, the thermocell outputs direct current to the electric igniter in the gas cylinder assembly after activation, the electric igniter fires to push the striker to move and break the exhaust nozzle, the high-pressure nitrogen gas stored in the high-pressure cylinder is output to the release mechanism along the pipeline from the exhaust nozzle, the gas enters the pneumatic pin through the air inlet, the pin shaft is compressed by the gas pressure, the pin shaft moves towards the nut end, when the exposed section of the pin shaft is completely withdrawn into the shell, the limiting plate is clamped into the limiting groove under the action of the torsional spring, the pin shaft is locked, at this time, the load is unlocked, after unlocking, the high-pressure gas enters the gas cylinder along the pipeline, the gas cylinder piston pushes the hook assembly to realize hook movement.

[0007] Preferably, the gas cylinder assembly is provided with a filling nozzle, the gas cylinder assembly is provided with a sealing cone, the sealing cone and the gas cylinder assembly are provided with an O-ring, and the gas cylinder assembly is provided with a spring.

[0008] The above technical scheme is adopted, the high-pressure gas is stored through the gas cylinder assembly in the mounting plate, the gas cylinder assembly is composed of the filling nozzle, the sealing cone, the sealing ring and the spring, then the staff can send the high-pressure gas into the gas cylinder through the filling nozzle, and when the filling of the gas cylinder assembly is completed, the sealing cone and the gas cylinder are pressed to form a metal hard seal, and the filling sealing structure is stable in use and is not prone to gas leakage.

[0009] Preferably, the adapter assembly is provided with an electric exploder assembly, the electric exploder assembly is provided with a striker, and the adapter assembly is provided with an adapter block.

[0010] The above technical scheme is adopted, the striker in the adapter assembly and the electric exploder form a bottle opening mechanism, 5A direct current is provided for the electric exploder, the electric exploder reliably ignites, a high-pressure gas flow is generated to push the striker to break the exhaust nozzle of the gas cylinder from a designed weak point, and the high-pressure gas in the gas cylinder assembly is released, so that the device is stable and reliable in use.

[0011] Preferably, the mounting plate is provided with an unlocking mechanism, one end of the unlocking mechanism is provided with a test port, the unlocking mechanism is provided with an air inlet, one side of the unlocking mechanism is provided with an air outlet, the unlocking mechanism is provided with a torsional spring, the unlocking mechanism is provided with a limiting plate, a nut is installed at the top end of the unlocking mechanism, a pin shaft is installed at the bottom of the unlocking mechanism, the pin shaft is inserted into a slot in the connecting seat, and a connecting pipeline is connected between the unlocking mechanism and the connector.

[0012] The above technical scheme is adopted, the high-pressure nitrogen gas stored in the high-pressure gas cylinder is output from the exhaust nozzle to the unlocking mechanism along the pipeline, the gas enters the pneumatic pin through the air inlet, the gas pressure pushes the pin shaft to compress the torsional spring, the pin shaft moves towards the nut end, when the exposed section of the pin shaft is completely retracted into the shell, the limiting plate is clamped into the limiting slot under the action of the torsional spring, and the pin shaft is locked, at this time, the load is unlocked, after the unlocking, the high-pressure gas enters the air cylinder along the pipeline, and the air cylinder piston pushes the hook assembly to realize the movement of the hook.

[0013] Preferably, the mounting plate is provided with an activator, and the mounting plate is provided with a thermal battery.

[0014] The above technical scheme is adopted, the activator works, the activator activates the thermal battery, and the thermal battery outputs a direct current to the electric exploder in the gas cylinder assembly, so that the adapter assembly works.

[0015] Compared with the prior art, the device has the advantages that:

[0016] 1、The depth-keeping and load-throwing device is activated by the activator and activates the thermal battery, and the thermal battery outputs a direct current to the electric igniter in the gas cylinder assembly after being activated, the electric igniter fires to push the impact head to move and break the exhaust nozzle, the high-pressure nitrogen gas stored in the high-pressure gas cylinder is output from the exhaust nozzle to the unlocking mechanism along the pipeline, the gas enters the pneumatic pin through the gas inlet, and the gas pressure pushes the pin shaft to compress the torsional spring, the pin shaft moves towards the nut end, and when the exposed section of the pin shaft is completely withdrawn into the shell, the limiting plate is clamped into the limiting groove under the action of the torsional spring, and the pin shaft is locked, at this time, the load is unlocked, and after being unlocked, the high-pressure gas enters the air cylinder along the pipeline, and the air cylinder piston pushes the hook assembly to realize the movement of the hook.

[0017] 2、The depth-keeping and load-throwing device stores high-pressure gas through the gas cylinder assembly in the mounting plate, and then the gas cylinder assembly is composed of the inflation nozzle, the sealing cone, the sealing ring and the spring, then the staff can send high-pressure gas into the gas cylinder through the inflation nozzle, and then when the inflation of the gas cylinder assembly is completed, the sealing cone and the gas cylinder are formed by extrusion to form a metal hard seal by applying a specified torque to the inflation nozzle, and the inflation sealing structure is stable in performance and is not prone to gas leakage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the depth-keeping and load-throwing device.

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the depth-keeping and load-throwing device.

[0020] Figure 3 It is a schematic diagram of the air cylinder and related structures.

[0021] Figure 4 It is an internal schematic diagram of the air cylinder and related structures.

[0022] In the drawing: 1, device main body; 2, mounting plate; 3, hook assembly; 4, protective cover; 5, air cylinder; 6, piston; 7, cylinder cover; 8, joint; 9, sealing ring; 10, connecting seat; 11, slot; 12, gas cylinder assembly; 13, adapter assembly; 14, inflation nozzle; 15, sealing cone; 16, O-ring; 17, spring; 18, electric igniter assembly; 19, impact head; 20, adapter block; 21, unlocking mechanism; 22, test port; 23, gas inlet; 24, gas outlet; 25, torsional spring; 26, limiting plate; 27, nut; 28, pin shaft; 29, activator; 30, thermal battery. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0024] Embodiment 1

[0025] Please refer to Figs. 1-4, the depth setting and load throwing device, the device main body 1 is provided with the mounting plate 2, the mounting plate 2 is fixedly provided with the hook assembly 3, the mounting plate 2 is provided with the protective cover 4, the protective cover 4 is provided with the air cylinder 5, the air cylinder 5 is provided with the piston 6, one end of the air cylinder 5 is provided with the cylinder cover 7, the upper end of the cylinder cover 7 is provided with the connector 8, the air cylinder 5 is provided with the sealing ring 9, the other end of the air cylinder 5 is provided with the connecting seat 10, the connecting seat 10 is provided with the insertion slot 11, the mounting plate 2 is provided with the gas cylinder assembly 12, the gas cylinder assembly 12 is provided with the adapter assembly 13, the gas cylinder assembly 12 and the air cylinder 5 are connected and provided with the connecting pipeline, the gas cylinder assembly 12 is provided with the inflation valve 14, the gas cylinder assembly 12 is provided with the sealing cone 15, the sealing cone 15 and the gas cylinder assembly 12 are provided with the O-ring 16, the gas cylinder assembly 12 is provided with the spring 17, the adapter assembly 13 is provided with the electric exploder assembly 18, the electric exploder assembly 18 is provided with the impact head 19, the adapter assembly 13 is provided with the adapter block 20, the mounting plate 2 is provided with the unlocking mechanism 21, one end of the unlocking mechanism 21 is provided with the test port 22, the unlocking mechanism 21 is provided with the air inlet 23, one side of the unlocking mechanism 21 is provided with the air outlet 24, the unlocking mechanism 21 is provided with the torsional spring 25, the unlocking mechanism 21 is provided with the limiting plate 26, the top end of the unlocking mechanism 21 is provided with the nut 27, the bottom of the unlocking mechanism 21 is provided with the pin shaft 28, the pin shaft 28 is inserted into the insertion slot 11 of the connecting seat 10, the unlocking mechanism 21 and the connector 8 are connected with the connecting pipeline, the mounting plate 2 is provided with the activator 29, the mounting plate 2 is provided with the thermal battery 30.

[0026] Working principle: when the device body 1 is needed, first make the activator 29 work, then the activator 29 works and activates the thermal battery 30, the thermal battery 30 outputs direct current to the electric igniter in the gas cylinder assembly 12, the electric igniter fires and pushes the ram 19 to move and break the exhaust nozzle, the high-pressure nitrogen gas stored in the high-pressure cylinder is output from the exhaust nozzle along the pipeline to the unlocking mechanism 21, the gas enters the pneumatic pin through the air inlet 23, the gas pressure pushes the pin shaft 28 to compress the torsion spring 25, the pin shaft 28 moves towards the nut 27 end, when the exposed section of the pin shaft 28 is completely withdrawn into the shell, the limit plate 26 is clamped into the limit groove under the action of the torsion spring 25, locking the pin shaft 28, at this time the load is unlocked, after unlocking the high-pressure gas enters the cylinder 5 along the pipeline, the cylinder 5 piston 6 pushes the hook assembly 3 to realize the hook movement, then the cylinder 5 thrust should be greater than the friction between the disposable load and the hook, the disposable load and the hook are made of stainless steel material, and the disposable load is stressed during unhooking.

[0027] Example 2:

[0028] Please refer to Figs. 1-4, the depth setting load device, the installation plate 2 is provided with a gas cylinder assembly 12, the gas cylinder assembly 12 is provided with a switching assembly 13, the gas cylinder assembly 12 and the cylinder 5 are connected and provided with a connecting pipeline, the gas cylinder assembly 12 is provided with a charging nozzle 14, the gas cylinder assembly 12 is provided with a sealing cone 15, the sealing cone 15 and the gas cylinder assembly 12 are provided with an O-ring 16, the gas cylinder assembly 12 is provided with a spring 17, the switching assembly 13 is provided with an electric igniter assembly 18, the electric igniter assembly 18 is provided with a ram 19, and the switching assembly 13 is provided with a switching block 20.

[0029] Working principle: the high-pressure gas is stored in the gas cylinder assembly 12 in the installation plate 2, then the gas cylinder assembly 12 is composed of the charging nozzle 14, the sealing cone 15, the sealing ring 9 and the spring 17, then the staff can send high-pressure gas into the gas cylinder through the charging nozzle 14, then when the gas cylinder assembly 12 is filled, the sealing cone 15 and the gas cylinder are extruded to form a metal hard seal, and this kind of charging seal structure is stable in performance and not easy to leak, the ram 19 in the switching assembly 13 and the electric igniter form a bottle opening mechanism, the electric igniter is provided with 5A direct current, the electric igniter can be reliably ignited, a high-pressure gas flow is generated to push the ram 19 to break the exhaust nozzle of the gas cylinder from the designed weak point, and the high-pressure gas in the gas cylinder assembly 12 is released, so it is stable and reliable in use.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixed-depth throwing device, comprising a device body (1), characterized in that: The main body (1) of the device is provided with an installation plate (2), a hook assembly (3) is fixedly installed on the installation plate (2), a protective cover (4) is provided on the installation plate (2), a cylinder (5) is provided inside the protective cover (4), a piston (6) is provided inside the cylinder (5), a cylinder cover (7) is installed at one end of the cylinder (5), a connector (8) is provided at the upper end of the cylinder cover (7), a sealing ring (9) is provided inside the cylinder (5), a connecting seat (10) is provided at the other end of the cylinder (5), a slot (11) is provided on the connecting seat (10), a gas cylinder assembly (12) is provided on the installation plate (2), a converter assembly (13) is provided on the gas cylinder assembly (12), and a connecting pipe is provided between the gas cylinder assembly (12) and the cylinder (5).

2. The constant-depth throwing device according to claim 1, characterized in that: The gas cylinder assembly (12) is provided with an inflation nozzle (14), a sealing cone (15) is provided inside the gas cylinder assembly (12), an O-ring (16) is provided between the sealing cone (15) and the gas cylinder assembly (12), and a spring (17) is provided inside the gas cylinder assembly (12).

3. The constant-depth ejection device according to claim 1, characterized in that: The adapter assembly (13) contains an electric detonator assembly (18), on which a ram (19) is installed, and the adapter assembly (13) contains an adapter block (20).

4. The constant-depth ejection device according to claim 1, characterized in that: The mounting plate (2) is provided with an unlocking mechanism (21), one end of the unlocking mechanism (21) is provided with a test port (22), the unlocking mechanism (21) is provided with an air inlet (23), one side of the unlocking mechanism (21) is provided with an air outlet (24), the unlocking mechanism (21) is provided with a torsion spring (25), the unlocking mechanism (21) is provided with a limit plate (26), the top of the unlocking mechanism (21) is provided with a nut (27), the bottom of the unlocking mechanism (21) is provided with a pin (28), the pin (28) is inserted into the slot (11) opened on the connecting seat (10), and a connecting pipe is connected between the unlocking mechanism (21) and the connector (8).

5. The constant-depth ejection device according to claim 1, characterized in that: An activator (29) is installed on the mounting plate (2), and a thermal battery (30) is provided on the mounting plate (2).

Images