CN112587826B

CN112587826B - Portable tripod suitable for well head fire rescue

Info

Publication number: CN112587826B
Application number: CN202011487131.9A
Authority: CN
Inventors: 陈纯霞; 范林玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-12-10
Anticipated expiration: 2040-12-16
Also published as: CN112587826A

Abstract

The invention relates to the technical field of fire fighting equipment, and discloses a portable tripod suitable for well head fire rescue, which comprises a top cover, wherein three telescopic foot rests are movably mounted at the bottom end of the top cover, positioning pins are movably sleeved outside the three telescopic foot rests, and telescopic supporting rods are movably mounted on the inner sides of the positioning pins. According to the invention, by adopting the limit ring and the air bag ring, when the lifting rope swings and impacts the limit ring, the air bag ring compresses and buffers pressure, so that the pressure finally transmitted to the magnetic ring is weak, further the action of large gravity center swing is overcome, the accident of toppling over of the rescue tripod caused by over strong swinging of the lifting rope is avoided, and then the weight of the magnetic block of the magnetic ring is utilized to make the telescopic tripod of the rescue tripod receive an extra downward inclined pulling force, so that the telescopic tripod is more stable on the ground, and a plurality of triangular stable structural surfaces can be formed in the telescopic tripod, so that the whole rescue tripod is more stable, and the safety is improved.

Description

Portable tripod suitable for well head fire rescue

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a portable tripod suitable for wellhead fire rescue.

Background

The tripod is mainly composed of a tripod body, a sling, a winch and an annular protection chain, is suitable for dangerous places such as high places, well heads, pitheads and the like, and is widely applied to fire rescue mechanisms due to simple and convenient structure.

When a person carelessly falls into the well, the rescue tripod is erected at the wellhead by erecting a tripod body, the winch is rotated by a fireman by utilizing a triangular stable structure to control the falling of the sling, therefore, people who are difficult to fall can be rescued, but because the deep well can be positioned in the unstable terrain, when the position of the supporting foot at the bottom end of the rescue tripod is different, the sling and the lifting rope which are positioned at the gravity center of the frame body are deflected to the edge of the support leg because of the vertical downward gravity, when the lifting rope pulls the difficult-to-fall person to rise, the amplitude of oscillation of the lifting rope is caused by the amplitude of the difficult-to-fall person, when the amplitude of oscillation of the lifting rope is overlarge, the center of gravity of the rescue tripod is shifted and changed, so that the stress on one side is larger, and the accident of toppling over of the rescue tripod is caused, when the tripod is toppled over, the person in the well who falls into trouble can be injured once more, and difficulty is caused to rescue work.

Disclosure of Invention

Aiming at the defects of the existing rescue tripod in the use process in the background technology, the invention provides the portable tripod suitable for the fire rescue at the well mouth, which has the advantages of effectively limiting the position of a lifting rope, preventing the tripod from toppling due to overlarge swing amplitude of the lifting rope and assisting in stabilizing the supporting legs, and solves the technical problems in the background technology.

The invention provides the following technical scheme: the utility model provides a be applicable to portable tripod of well head fire rescue, includes the top cap, the bottom movable mounting of top cap has three flexible foot rest, and is three the location tip has been cup jointed in the outside activity of flexible foot rest, the inboard movable mounting of location tip has flexible branch, the one end fixed mounting of flexible branch has the chain, the other end fixedly connected with snap ring of chain, the fixed mounting that has cup jointed in the middle part of snap ring, both ends fixed mounting has the magnetic ring about the inboard of mounting, the one end fixed mounting of magnetic ring has the gasbag ring, the inner chamber activity bolt of gasbag ring has the aversion pole, the one end fixedly connected with stopper of aversion pole, the other end fixed mounting of aversion pole has the spacing ring.

Preferably, the positioning pin is connected with the telescopic support rod through a ball support.

Preferably, the magnetic ring is uniformly divided into six parts, the six parts are divided into an upper group and a lower group, and the adjacent magnetic blocks in the same group are opposite in magnetism.

Preferably, the shape of gasbag ring is the ring shape, and its surface is seted up pressure valve port.

Preferably, the shape height value of the limiting block is equal to the height value between the bottom end of the upper group of magnetic blocks and the top end of the lower group of magnetic blocks of the magnetic ring, and the shape height value is opposite to the magnetism of the magnetic ring.

Preferably, the limiting ring is in a circular ring shape, is evenly divided into three parts and has elasticity.

The invention has the following beneficial effects:

1. according to the invention, the vertical position of the lifting rope is fastened by adopting the limiting ring, the change of the vertical position of the lifting rope is avoided, and then the air bag ring is adopted, when the lifting rope is influenced by the swing of a person with difficulty at the bottom end, the lifting rope swings to impact the limiting ring, so that the limiting ring is pressed and transmitted to the air bag ring, the air bag ring is compressed and buffered, the punching force is consumed, the pressure finally transmitted to the magnetic ring is weak, the large-amplitude gravity swing motion is further overcome, the phenomenon that the lifting rope swings too strongly to cause the toppling accident of the rescue tripod is avoided, and the personal safety of the person with difficulty is ensured.

2. According to the invention, through the magnetic ring, the weight of the magnetic block of the magnetic ring is utilized, and the transmission components such as the chain and the telescopic supporting rod are utilized, so that the telescopic supporting foot frame of the rescue tripod is subjected to an extra inclined downward pulling force except the self gravity and the ground supporting force, and the pulling force given by the magnetic ring can be decomposed according to the stress to additionally assist in pressing down the supporting point of the telescopic supporting foot frame, so that the telescopic supporting foot frame is more stable on the ground, and a plurality of triangular stable structural surfaces can be formed in the telescopic supporting foot frame, so that the whole rescue tripod is more stable, and the safety is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic top view of a magnetic ring, an air bag ring and a position limiting ring according to the present invention;

FIG. 4 is a schematic top view of the moving rod and the limiting block of the present invention.

In the figure: 1. a top cover; 2. a telescopic foot rest; 3. a locating pin; 4. a telescopic strut; 5. a chain; 6. a snap ring; 7. a fixing member; 8. a magnetic ring; 9. a balloon ring; 10. a shift lever; 11. a limiting block; 12. a limit ring.

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.

Referring to fig. 1-4, a portable tripod for fire rescue at well head comprises a top cover 1, three telescopic supporting legs 2 are movably mounted at the bottom end of the top cover 1, positioning pins 3 are movably sleeved at the outer parts of the three telescopic supporting legs 2, telescopic supporting rods 4 are movably mounted at the inner sides of the positioning pins 3, a chain 5 is fixedly mounted at one end of each telescopic supporting rod 4, a snap ring 6 is fixedly connected at the other end of the chain 5, a fixing member 7 is fixedly sleeved at the middle part of the snap ring 6, magnetic rings 8 are fixedly mounted at the upper and lower ends of the inner side of the fixing member 7, and the telescopic supporting legs 2 of the rescue tripod are subjected to an additional downward inclined pulling force by the weight of the magnetic blocks of the magnetic rings 8 through transmission components such as the chain 5 and the telescopic supporting rods 4 and the like except for the self gravity and the ground supporting force, the rescue tripod can be additionally assisted to press down the supporting point of the telescopic tripod 2, so that the telescopic tripod 2 is more stable on the ground, and the inside of the telescopic tripod 2 can form a plurality of triangular stable structural surfaces, so that the whole rescue tripod is more stable, and the safety of the rescue tripod is improved, one end of the magnetic ring 8 is fixedly provided with the air bag ring 9, the movable bolt of the inner cavity of the air bag ring 9 is provided with the shifting rod 10, one end of the shifting rod 10 is fixedly connected with the limiting block 11, the other end of the shifting rod 10 is fixedly provided with the limiting ring 12, the vertical position of the lifting rope is fastened by adopting the limiting ring 12, the change of the vertical position of the lifting rope is avoided, then the lifting rope swings and impacts the limiting ring 12 through the air bag ring 9 when the lifting rope is influenced by the swing of a person with difficulty at the bottom end, the lifting rope is pressed and transmitted to the air bag ring 9, the compression and the buffering are realized, so that the punching force is consumed, and the pressure finally transmitted to the magnetic ring 8 is weak, and then the gravity center swing motion of a large amplitude is overcome, the accident that the rescue tripod is toppled due to the fact that the lifting rope swings too strongly is avoided, and the personal safety of the people who are in trouble is guaranteed.

Wherein, the positioning pin 3 is connected with the telescopic supporting rod 4 through a ball support.

The magnetic ring 8 is uniformly divided into six parts, namely an upper group and a lower group, the adjacent magnetic blocks in the same group are opposite in magnetism, the attraction force between the adjacent magnetic blocks of the magnetic ring 8 is far larger than the swing impact force caused by the lifting rope, the vertical position of the lifting rope can be effectively fixed in an auxiliary mode, and the assembly and disassembly of the rescue tripod are facilitated.

The air bag ring 9 is in a ring shape, the surface of the air bag ring is provided with a pressure valve port, when the air bag ring 9 is backwards extruded by the limiting ring 12, the pressure reaches a certain value, the pressure valve port is pressed, the air bag ring is in an open state, gas in the air bag ring 9 can be discharged, the phenomenon that the air bag is exploded due to overlarge internal pressure is avoided, and the safety of the device is guaranteed.

The shape height value of the limiting block 11 is equal to the height value between the bottom end of the upper group of magnetic blocks and the top end of the lower group of magnetic blocks of the magnetic ring 8, the shape height value is opposite to the magnetism of the magnetic ring 8, the limiting block 11 is pulled, the limiting ring 12 can be pulled through the moving rod 10 to adjust the position, the limiting block is suitable for lifting ropes with various thicknesses, the practicability of the device is improved, the suction force between the limiting block 11 and the magnetic ring 8 is larger than the pushing force of the limiting ring 12 on the magnetic ring 8, and therefore the relative position of the limiting ring 12 can be firmly limited.

The limiting ring 12 is in the shape of a circular ring, is evenly divided into three parts, and has a smooth surface and elasticity.

The use method (working principle) of the invention is as follows:

when a person accidentally falls into a deep well, the rescue tripod is taken out, the telescopic supporting leg frame 2 is opened to be completely opened, the top cover 1 is aligned with a well mouth, the length of the telescopic supporting leg frame 2 is sequentially adjusted according to the rescue height, and after the telescopic supporting leg frame 2 is stably installed, the sling and the lifting rope are lowered through the winch, after the lifting rope is lowered stably, the magnetic ring 8 is in butt joint adsorption, when the magnetic ring 8 is closed, according to the thickness of the lifting rope, the position of the limiting ring 12 is changed by pulling the limiting block 11 and utilizing the moving rod 10, so that the inner side of the limiting ring is attached to the surface of the lifting rope, after the position of the limiting ring 12 is adjusted, then the length of the telescopic supporting rod 4 and the position of the positioning pin 3 are adjusted to ensure that the chain 5 and the snap ring 6 are in a tight state, and the fixing piece 7 is used for fixing the magnetic ring 8 to be in a horizontal position, and after the telescopic support rod 4 and the positioning pin 3 are adjusted, rescue work can be carried out on people who are difficult to fall.

When the lifting rope is influenced by the swing of the bottom-end wrecking person, the lifting rope swings to impact the limiting ring 12, the pressure applied to the limiting ring is transmitted to the air bag ring 9, the air bag ring 9 is compressed and buffered, the punching pressure is consumed, the pressure transmitted to the magnetic ring 8 is weak, the lifting rope is prevented from swinging too much, the gravity center position is stabilized, and the personal safety of the wrecking person is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a be applicable to portable tripod of well head fire rescue, includes top cap (1), its characterized in that: the bottom end of the top cover (1) is movably provided with three telescopic foot supports (2), the outer parts of the three telescopic foot supports (2) are movably sleeved with positioning pins (3), a telescopic supporting rod (4) is movably arranged on the inner side of the positioning pin (3), a chain (5) is fixedly arranged at one end of the telescopic supporting rod (4), the other end of the chain (5) is fixedly connected with a snap ring (6), the middle part of the snap ring (6) is fixedly sleeved with a fixing piece (7), the upper end and the lower end of the inner side of the fixing piece (7) are fixedly provided with a magnetic ring (8), one end of the magnetic ring (8) is fixedly provided with an air bag ring (9), the movable bolt of the inner cavity of the air bag ring (9) is provided with a displacement rod (10), one end of the shifting rod (10) is fixedly connected with a limiting block (11), and the other end of the shifting rod (10) is fixedly provided with a limiting ring (12).

2. A fire rescue portable tripod suitable for use at a wellhead as claimed in claim 1, wherein: the positioning pin (3) is connected with the telescopic supporting rod (4) through a ball support.

3. A fire rescue portable tripod suitable for use at a wellhead as claimed in claim 1, wherein: the magnetic ring (8) is uniformly divided into six parts, the six parts are divided into an upper group and a lower group, and the adjacent magnetic blocks in the same group are opposite in magnetism.

4. A fire rescue portable tripod suitable for use at a wellhead as claimed in claim 1, wherein: the air bag ring (9) is in a ring shape, and the surface of the air bag ring is provided with a pressure valve port.

5. A fire rescue portable tripod suitable for use at a wellhead as claimed in claim 1, wherein: the shape height value of the limiting block (11) is equal to the height value between the bottom end of the upper group of magnetic blocks and the top end of the lower group of magnetic blocks of the magnetic ring (8), and the shape height value is opposite to the magnetism of the magnetic ring (8).

6. A fire rescue portable tripod suitable for use at a wellhead as claimed in claim 1, wherein: the limiting ring (12) is in a ring shape, is evenly divided into three parts and has elasticity.