CN111962611A

CN111962611A - Anti-damage device for collision of fire hydrant

Info

Publication number: CN111962611A
Application number: CN202010721116.XA
Authority: CN
Inventors: 刘延军
Original assignee: 刘延军
Current assignee: Wuhu Qige Fluid Technology Co.,Ltd.
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-11-20
Anticipated expiration: 2040-07-24
Also published as: CN111962611B

Abstract

The invention relates to the technical field of security and protection, and discloses an impact anti-damage device of a fire hydrant, which comprises a column base, wherein the outer surface of the column base is fixedly connected with the ground, the lower half section of the column base is positioned in the ground, a water delivery pipe is arranged in the inner cavity of the column base, the upper end of the inner cavity of the column base is movably connected with a ball valve positioned above the water delivery pipe, and the upper end of the inner cavity of the column base is fixedly connected with a second fixed magnet positioned above the ball valve. According to the rotary fire hydrant, when the upper end of the fire hydrant is greatly impacted, the fire hydrant can rotate around the second rotating shaft, so that the fire hydrant is prevented from being rigidly damaged, and meanwhile, the spherical valve synchronously rotates under the transmission of the second rotating shaft through the transmission of the transmission belt, so that the water delivery pipe is closed by the spherical valve, a large amount of water resource leakage is avoided, the condition that the fire hydrant is broken after the traditional fire hydrant is greatly impacted, so that a large amount of water resource leakage is avoided, and the service life of the fire hydrant is ensured.

Description

Anti-damage device for collision of fire hydrant

Technical Field

The invention relates to the technical field of security protection, in particular to an impact anti-damage device of a fire hydrant.

Background

A fire hydrant, formally called fire hydrant, is a fixed fire-fighting equipment and mainly used for controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources. The fire hydrant is divided into an indoor fire hydrant and an outdoor fire hydrant according to application occasions, the fire hydrant is mainly used for a fire truck to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and the fire hydrant can also be directly connected with a water hose and a water gun to discharge water and put out a fire.

The use method of the outdoor fire hydrant comprises the steps that a water bag port link switch of the fire hydrant is opened through a wrench, then the fire water bags are connected, a water outlet valve switch is opened through the wrench, the water bag port and a water outlet gun head are connected, water can be sprayed on a fire scene, however, because the outdoor fire hydrant is usually arranged beside a main street, the fire hydrant is damaged due to the fact that objects such as vehicles touch the fire hydrant, normal water outlet of the fire hydrant is affected, when impact force on the fire hydrant is too large, the fire hydrant is damaged integrally, the fire hydrant is broken, the water leakage phenomenon is caused, and a large amount of water resources are wasted.

Disclosure of Invention

Aiming at the defects of the existing fire hydrant in the background technology in the using process, the invention provides the impact damage prevention device of the fire hydrant, which has the advantages of buffering, damage prevention and automatic reset and solves the problems in the background technology.

The invention provides the following technical scheme: a fire hydrant impact damage prevention device comprises a column base, wherein the outer surface of the column base is fixedly connected with the ground, the lower half section of the column base is positioned in the ground, a water delivery pipe is arranged in an inner cavity of the column base, the upper end of the inner cavity of the column base is movably connected with a ball valve positioned above the water delivery pipe, the upper end of the inner cavity of the column base is fixedly connected with a second fixed magnet positioned above the ball valve, the upper end of the column base is movably connected with a second rotating shaft, two sides of the ball valve are in transmission connection with one end of the second rotating shaft through a transmission belt, one end of the second rotating shaft is fixedly connected with a fire fighting column positioned above the inner cavity of the column base, the lower end of the fire fighting column is fixedly connected with a first rotating shaft positioned below the second rotating shaft, two ends of the first rotating shaft are movably connected with a movable sleeve positioned below the fire fighting column, and the middle part of the, the inner chamber of the movable sleeve is positioned below the first fixed magnet, a movable cavity is formed in the lower end of the inner chamber of the movable sleeve, a movable block positioned above the second fixed magnet is movably connected to the lower end of the inner chamber of the movable sleeve, the movable block is made of a magnet, and the bottom surface of the movable block is different from the magnetic pole of the inner chamber of the second fixed magnet.

Preferably, the inner cavity of the fire-fighting column is movably connected with a metal corrugated pipe, and the top end and the lower end of the metal corrugated pipe are fixed.

Preferably, the inner cavity of the second fixed magnet is in an inverted truncated cone shape, and the outer surface of the lower end of the movable block is the same as the outer surface of the lower end of the movable block in shape.

Preferably, the weight of the lower end of the second rotating shaft is greater than the weight of the upper end of the second rotating shaft.

The invention has the following beneficial effects:

1. according to the rotary fire hydrant, when the upper end of the fire hydrant is greatly impacted, the fire hydrant can rotate around the second rotating shaft, so that the fire hydrant is prevented from being rigidly damaged, and meanwhile, the spherical valve synchronously rotates under the transmission of the second rotating shaft through the transmission of the transmission belt, so that the water delivery pipe is closed by the spherical valve, a large amount of water resource leakage is avoided, the condition that the fire hydrant is broken after the traditional fire hydrant is greatly impacted, so that a large amount of water resource leakage is avoided, and the service life of the fire hydrant is ensured.

2. According to the invention, by arranging the movable sleeve rotating structure, when the fire hydrant is slightly impacted, the fire fighting column rotates around the second rotating shaft in a small range, and meanwhile, the movable block keeps the position fixed under the action of the second fixed magnet, so that the fire fighting column rotates around the first rotating shaft relative to the movable sleeve, the damage to the fire fighting column caused by impact force is avoided, and the lower end position of the metal corrugated pipe is ensured to be unchanged by the attraction between the movable block and the second fixed magnet when the impact force is smaller and the spherical valve cannot be closed, and the condition of small water resource leakage when the impact force is smaller is avoided.

3. According to the fire hydrant, the movable sleeve with the heavier mass than the fire hydrant is adopted, so that the fire hydrant can automatically reset under the action of gravity after the impact force disappears after the fire hydrant is impacted greatly, the movable block moves upwards under the action of the attraction force of the first fixed magnet due to the weakening of the attraction force of the second fixed magnet to the movable block, the fire hydrant has enough space for alignment when resetting, the situation that the movable sleeve collides with a column base to cause damage when resetting the fire hydrant is avoided, the attraction force of the second fixed magnet to the movable block is greater than that of the first fixed magnet to the movable block, the movable block moves downwards, the lower end of the movable block is in butt joint with the second fixed magnet, and the butt joint is assisted through the round platform shape of the movable sleeve and the second fixed magnet, and the resetting accuracy of the fire hydrant is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional front view of the inventive structure;

FIG. 3 is a schematic side cross-sectional view of the inventive structure;

FIG. 4 is a schematic view of the structure of the present invention subjected to a large impact;

FIG. 5 is a schematic view of the structure of the present invention subjected to a small impact;

FIG. 6 is an enlarged view of the point A in FIG. 2.

In the figure: 1. a column base; 2. a fire-fighting column; 3. a metal bellows; 4. a movable block; 5. a movable sleeve; 6. a ground surface; 7. a water delivery pipe; 8. a ball valve; 9. a transmission belt; 10. a first rotating shaft; 11. a second rotating shaft; 12. a first fixed magnet; 13. a movable cavity; 14. a second fixed magnet.

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. 1-6, a collision damage prevention device for a fire hydrant comprises a pillar base 1, the outer surface of the pillar base 1 is fixedly connected with a ground 6, and the lower half section of the pillar base 1 is located in the ground 6, so that the pillar base 1 protrudes out of the ground 6 to be lower than the bottom of a large-range vehicle, and is not easy to be impacted, a water pipe 7 is arranged in the inner cavity of the pillar base 1, the upper end of the inner cavity of the pillar base 1 is movably connected with a ball valve 8 located above the water pipe 7, so that the water pipe 7 is opened and closed by the rotation of the ball valve 8, the upper end of the inner cavity of the pillar base 1 is fixedly connected with a second fixed magnet 14 located above the ball valve 8, the upper end of the pillar base 1 is movably connected with a second rotating shaft 11, two sides of the ball valve 8 are in transmission connection with one end of the second rotating shaft 11 through a transmission belt 9, one end of the second, the fire-fighting column 2 can be rotated after being impacted by the second rotating shaft 11 to relieve the damage of impact force to the fire-fighting column 2, the second rotating shaft 11 can synchronously drive the spherical valve 8 to rotate after being rotated by the transmission of the transmission belt 9, so that the opening size of the water delivery pipe 7 can be changed by the size of the impact force on the fire-fighting column 2, the lower end of the fire-fighting column 2 is fixedly connected with the first rotating shaft 10 positioned below the second rotating shaft 11, two ends of the first rotating shaft 10 are movably connected with the movable sleeve 5 positioned below the fire-fighting column 2, the fire-fighting column 2 is movably connected with the movable sleeve 5 through the first rotating shaft 10, so that the fire-fighting column 2 is subjected to small impact, the connection between the movable sleeve 5 and the column base 1 cannot be influenced, the spherical valve 8 cannot be completely closed, the water leakage condition is caused, the first fixed magnet 12 positioned below the first rotating shaft 10 is fixedly installed in the middle of the inner cavity of, the inner chamber of movable sleeve 5 is located first definite magnet 12 below department and has seted up movable chamber 13, the lower extreme swing joint of the inner chamber of movable sleeve 5 has the movable block 4 that is located second definite magnet 14 top, reserve certain activity space for movable block 4 through setting up movable chamber 13, make when movable block 4 and second definite magnet 14 separation back, under the effect of first definite magnet 12 to movable block 4 attraction force, movable block 4 rebound in movable chamber 13, when making movable sleeve 5 reset, there is certain clearance in 5 bottoms of movable sleeve and the 1 upper surface of column base, avoid

movable sleeve

5 and 1 collision of column base, cause impaired condition, the material of movable block 4 is magnet, and the bottom surface is different with the magnetic pole of second definite magnet 14 inner chamber.

Wherein, the inner chamber swing joint of fire control post 2 has corrugated metal pipe 3, and corrugated metal pipe 3's top and the rigidity of low side for receiving less impact, only fire control post 2 small amplitude rotates, and when the connection of column base 1 and movable sleeve 5 did not change, carry out the water delivery through corrugated metal pipe 3, when having avoided ball valve 8 not to close raceway 7 completely, fire control post 2 rotated, the problem of the clearance leakage of production.

Wherein, the inner chamber of second fixed magnet 14 is inverted circular truncated cone shape, and the lower extreme surface of movable block 4 is the same with its shape, and the appeal of second fixed magnet 14 to movable block 4 is greater than the appeal of first fixed magnet 12 to movable block 4 for when the fire hydrant was in normal condition, movable block 4 was in contact with second fixed magnet 14 all the time.

Wherein, the weight of second axis of rotation 11 lower extreme is greater than the weight of 11 upper ends of second axis of rotation, through the difference of the weight of 11 both sides of second axis of rotation for receive great impact when fire control post 2, fire control post 2 drives movable sleeve 5 and takes place to rotate the back, when the impact force disappears, can be greater than 2 opposite side weights of fire control post through the weight of 5 one sides of movable sleeve, make fire control post 2 can automatic re-setting.

The using method of the invention is as follows:

when a small impact is applied: when the fire hydrant is subjected to small impact, the fire fighting column 2 inclines to one side under the action of the impact force, but the impact force is small, so that the inclination degree of the fire fighting column 2 is small, the ball valve 8 cannot be closed under the action of the transmission belt 9, at the moment, the position of the movable sleeve 5 cannot be changed due to the attraction of the second fixed magnet 14 to the movable block 4, the fire fighting column 2 rotates around the first rotating shaft 10 relative to the movable sleeve 5, the metal corrugated pipe 3 is bent, the fire fighting column 2 is prevented from being damaged, and after the impact force disappears, the fire fighting column 2 automatically resets under the action of water pressure due to the fact that the water pressure of the inner cavity of the fire hydrant is large;

when a large impact force is applied: when the fire hydrant is subjected to large impact, the fire fighting column 2 inclines to one side under the action of the impact force, but the inclination degree of the fire fighting column 2 is smaller due to the large impact force, the ball valve 8 is closed under the action of the transmission belt 9, the water transmission pipe 7 is sealed, the fire fighting column 2 cannot leak water, the movable block 4 is separated from the second fixed magnet 14 and moves to one side under the action of the rotation of the fire fighting column 2, and meanwhile, the movable block 4 moves upwards under the action of the attraction force of the first fixed magnet 12 due to the weakening of the attraction force of the second fixed magnet 14 to the movable block 4;

when the automatic reset is performed: when the fire-fighting column 2 rotates under large impact, because the weight of the movable sleeve 5 is greater than that of the other side of the second rotating shaft 11, after the impact force disappears, the fire-fighting column 2 rotates in the vertical direction under the action of the movable sleeve 5, because the movable block 4 contacts with the first fixed magnet 12 at the moment, a certain gap is formed between the movable sleeve 5 and the second fixed magnet 14 during resetting, and no collision occurs, meanwhile, under the action of the second rotating shaft 11, the ball valve 8 is rotated back to the vertical direction, so that the water conveying pipe 7 is opened, and when the movable block 4 rotates to the position above the second fixed magnet 14, because the attraction of the second fixed magnet 14 to the movable block 4 is greater than that of the first fixed magnet 12 to the movable block 4, the movable block 4 moves downwards, and the inverted round platform at the lower end of the movable block 4 is butted with the inverted round platform in the inner cavity of the second fixed magnet 14, and the two round platform-shaped butted positions are used for assisting, the fire-fighting column 2 can be reset quickly, and the condition of a large amount of water resource leakage during resetting is avoided.

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 damaged device is prevented in striking of fire hydrant, includes post seat (1), its characterized in that: the outer surface of the column base (1) is fixedly connected with the ground (6), the lower half section of the column base (1) is positioned in the ground (6), a water delivery pipe (7) is arranged in the inner cavity of the column base (1), the upper end of the inner cavity of the column base (1) is movably connected with a ball valve (8) positioned above the water delivery pipe (7), the upper end of the inner cavity of the column base (1) is fixedly connected with a second fixed magnet (14) positioned above the ball valve (8), the upper end of the column base (1) is movably connected with a second rotating shaft (11), two sides of the ball valve (8) are in transmission connection with one end of the second rotating shaft (11) through a transmission belt (9), one end of the second rotating shaft (11) is fixedly connected with a fire-fighting column (2) positioned above the inner cavity of the column base (1), the lower end of the fire-fighting column (2) is fixedly connected with a first rotating shaft (10) positioned below, the utility model discloses a fire control fire.

2. A fire hydrant's impact damage preventing device according to claim 1, wherein: the inner cavity of the fire-fighting column (2) is movably connected with a metal corrugated pipe (3), and the top end and the lower end of the metal corrugated pipe (3) are fixed.

3. A fire hydrant's impact damage preventing device according to claim 1, wherein: the inner cavity of the second fixed magnet (14) is in an inverted truncated cone shape, and the outer surface of the lower end of the movable block (4) is the same as the outer surface of the lower end of the movable block in shape.

4. A fire hydrant's impact damage preventing device according to claim 1, wherein: the weight of the lower end of the second rotating shaft (11) is greater than that of the upper end of the second rotating shaft (11).