A high-rise building fire extinguishing fixed-point extinguishing device

Abstract

The application discloses a high-rise building fire-fighting fixed-point extinguishing device, which comprises a cylinder, a sleeve is arranged in the cylinder, an adjusting rod is movably arranged in the sleeve and one end of the adjusting rod extends outwards from the cylinder, a plurality of equipment boxes are movably arranged on the outer side of the sleeve in a circumferential direction, a cover plate is arranged on the top of the equipment boxes and buckled on the cylinder, the equipment boxes are connected with a sliding sleeve arranged on the sleeve through linkage members, the two ends of the sliding sleeve are connected with bases arranged on the two sides of the sleeve and first adjusting members through energy storage members, a second adjusting member is movably arranged on one end of the sleeve and the adjusting rod, the first adjusting member is matched with the second adjusting member, locking members are arranged on the sliding sleeve and inserted into limiting holes arranged on the sleeve, and unlocking members corresponding to the locking members are arranged on the adjusting rod. Compared with the existing fire extinguishing bomb, fire extinguishing agent and other distribution technology and mode, the high-rise building fire-fighting fixed-point extinguishing device can realize "slowly advancing bullet screen" type throwing of the fire extinguishing agent, can form surface type uniform distribution of the fire extinguishing agent, and the throwing range can be adjusted.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of high-rise building fire fighting technology, in particular to a high-rise building fire fighting fixed-point fire extinguishing device. BACKGROUND

[0002] High-rise and super high-rise buildings are complex in internal structure, have many installed equipment and high decoration standards, and many of the materials are flammable materials. Once a fire occurs, it is easy to fuel the fire. In addition, the elevator shafts and staircases in high-rise and super high-rise buildings generally penetrate the entire building, and once a fire occurs, these elevator shafts and staircases act as ventilation ducts, which can easily accelerate the spread of the fire. The traditional fire fighting methods for high-rise and super high-rise buildings mainly rely on two methods: indoor fire fighting water supply facilities and high-altitude fire fighting vehicles. The indoor fire fighting water supply facilities often have low water pressure due to poor pipe maintenance, equipment aging and other reasons, which limits their fire extinguishing capacity. High-altitude fire fighting vehicles are difficult to equip in large quantities due to their high purchase price, and their equipment is complex, the equipment deployment time is long, and the fire extinguishing efficiency is low, which can easily miss the best opportunity to extinguish the fire. Data and information show that high-rise and super high-rise building fires are one of the most frequent and most destructive disasters. However, with the progress of science and technology and the development of society, the exploration of fire fighting methods for high-rise and super high-rise buildings is also increasingly rich and perfect. As a long-range fire extinguishing tool, fire extinguishing bombs have become a hot topic in the field of high-rise and super high-rise buildings due to their various launching methods, short equipment deployment time, and no direct involvement of personnel.

[0003] Fire extinguishing bombs can be roughly divided into cannon type fire extinguishing bombs and unmanned aerial vehicle (UAV) airborne fire extinguishing bombs according to the launching method. The cannon type fire extinguishing bomb is often used in open and wide area environments such as forest fires and grassland fires due to its large launching kinetic energy and large amount of fire extinguishing agent carried. The UAV airborne fire extinguishing bomb is often used in urban high-rise buildings and chemical industry parks due to its small load, short flight time and flexible maneuverability. Similarly, the structural characteristics of urban buildings determine that the applicable object is the airborne type. The airborne fire extinguishing bomb can be divided into single launch and single explosion and multiple launch and multiple explosion according to the fire extinguishing method in the fire field. Single launch and single explosion means that the launch vehicle launches only one fire extinguishing bomb at a time, which is detonated by active or passive triggering according to the predetermined program. Multiple launch and multiple explosion means that the launch vehicle launches multiple fire extinguishing bombs to the fire field at a time, which is detonated according to the preset detonation program in the fire extinguishing bomb or sequentially or uniformly detonated after receiving the external detonation signal.

[0004] The dispersion phenomenon of the landing points of multiple bullets fired by the same launching system under the same shooting condition in a certain area is called dispersion, which is affected by factors such as the storage environment of each fire extinguishing bullet, the charge amount, the filling density, the launching angle, the external climate condition when launching, and the like. It is inevitable that dispersion phenomenon occurs in each fire extinguishing bullet during launching, for example, the fire extinguishing bullet disclosed in patent No. CN112316338B and entitled "Directional fire extinguishing device" and the multiple fire extinguishing bullets disclosed in patent No. CN116212283A and entitled "Multi-petal remote magnetic control fire extinguishing bullet capable of being filled with multiple fire extinguishing agents". When continuously launched, the continuous launching dispersion is much larger than single launching due to the interference between the fire extinguishing bullet and the launching tube. The dispersion phenomenon is inevitable, but it is also very difficult to achieve uniform distribution control.

[0005] Therefore, whether single or multiple launching, the fire extinguishing mode is mainly point-type fire extinguishing, and it is difficult to achieve area-type fire extinguishing, that is, it is difficult to achieve uniform distribution of fire extinguishing bullets and fire extinguishing agents inside the fire scene, that is, the landing point dispersion of the fire extinguishing bullet cannot be accurately guaranteed, which further causes the fire extinguishing agent to be unable to be uniformly distributed, and the actual fire extinguishing efficiency is limited. SUMMARY

[0006] In view of the technical problems that the landing point dispersion of the fire extinguishing bullet and the fire extinguishing agent cannot be accurately guaranteed, and the distribution range cannot be adjusted, and the fire extinguishing efficiency is limited, the present application provides a high-rise building fire extinguishing fixed-point fire extinguishing device.

[0007] The present application achieves the above-mentioned purposes through the following technical solutions:

[0008] A high-rise building fire extinguishing fixed-point fire extinguishing device, comprising a barrel, a sleeve is arranged in the barrel, an adjusting rod is movably arranged in the sleeve, and one end of the adjusting rod extends outward from the barrel; a plurality of equipment boxes for loading fire extinguishing bullets and / or fire extinguishing agents are movably arranged on the outer side of the sleeve in a circumferential direction, and a cover plate is arranged on the equipment boxes and fastened on the barrel;

[0009] The equipment boxes are connected with a sliding sleeve arranged on the sleeve through a linkage, the two ends of the sliding sleeve are connected with a base arranged on the two sides of the sleeve and a first adjusting member through an energy storage member, a second adjusting member is movably arranged on one end of the sleeve and the adjusting rod, and the first adjusting member and the second adjusting member are matched to adjust the pop-up angle of the equipment boxes and the distribution range of the fire extinguishing agents and / or fire extinguishing bullets by adjusting the length of the energy storage member;

[0010] The locking piece is inserted into the limiting hole of the sleeve to fix the equipment box; the unlocking piece corresponding to the locking piece is arranged on the adjusting rod, so that when the cylinder falls to the extinguishing point, the adjusting rod touches the landing point and moves into the cylinder, and the unlocking piece is moved to the position of the limiting hole to push the locking piece.

[0011] Preferably, a rear end cover is arranged between one end of the sleeve and the cylinder, a front end cover is arranged between the cylinder and the adjusting rod, and the end of the adjusting rod extends from the front end cover; a groove for accommodating the adjusting rod is arranged in the rear end cover, a first spring is arranged in the groove, and the first spring is connected with the adjusting rod; a buckle is arranged on the cover plate, and a ejection port for ejecting the fire extinguishing bomb and / or fire extinguishing agent is arranged on the cylinder, and a clamping groove corresponding to the buckle is arranged on the ejection port.

[0012] Preferably, the two ends of the equipment box are respectively provided with hinged seats, one set of hinged seats are movably connected with the base on the sleeve through a movable shaft, and the linkage member includes a connecting rod, and the other set of hinged seats are movably connected with the hinged seats on the sliding sleeve through the connecting rod.

[0013] Preferably, the energy storage member includes a second spring and a third spring, one side of the sliding sleeve is connected with the base through the second spring, and the other side of the sliding sleeve is connected with the first adjusting piece through the third spring.

[0014] Preferably, the energy storage member includes a third spring, and the sliding sleeve is connected with the first adjusting piece through the third spring.

[0015] Preferably, the first adjusting piece includes a first adjusting ring, and the first adjusting ring is sleeved on the sleeve; the second adjusting piece includes a second adjusting ring, and the first adjusting ring is threadedly connected with the second adjusting ring; the second adjusting ring is sleeved on the sleeve, a limiting plate is arranged between the second adjusting ring and the cylinder, and a limiting step is arranged on the second adjusting ring, the limiting step abuts against the limiting plate, so as to rotate the second adjusting ring to synchronously drive the first adjusting ring to move axially along the sleeve, and adjust the acting length of the third spring.

[0016] Preferably, a first equipment groove is arranged on the sliding sleeve, the locking piece includes a first limiting pin and a fourth spring, the fourth spring is arranged in the first equipment groove, the fourth spring is connected with the first limiting pin, and the first limiting pin is arranged in the limiting hole.

[0017] Preferably, the adjusting rod has a second device slot, and the unlocking component includes a fifth spring, a second limiting pin, and a limiting seat. The second device slot has a limiting groove for accommodating the fifth spring, the limiting seat is disposed in the second device slot, the second limiting pin is connected to the fifth spring, and the second limiting pin extends outward from the limiting seat.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. This invention can achieve the "gradual advance barrage" type of fire extinguishing bombs and fire extinguishing agents, which can form a uniform area fire extinguishing and the throwing range is adjustable. Compared with the existing fire extinguishing bomb fire extinguishing technology and methods, the fire extinguishing efficiency can be greatly improved, and it is especially suitable for fire extinguishing of modern urban high-rise and super high-rise buildings.

[0020] 2. This invention utilizes a threaded connection between the first and second adjusting components. By rotating the second adjusting component, the movement of the first adjusting component is controlled via the thread, thereby stretching and compressing the third and fourth springs. This allows for control over the opening angle, the magnitude of the force applied, and the throwing distance of the fire extinguishing bomb and fire extinguishing agent equipment box. By controlling the force applied to each component as it sequentially enters the fire zone inside the building, a "gradual advance barrage" style of fire extinguishing bomb and fire extinguishing agent can be achieved. Furthermore, with the same impact point as a reference, relatively precise dispersion control can be achieved. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 This is a cross-sectional view of the present invention.

[0024] Figure 3 yes Figure 1 A magnified view of a portion of the area at position I.

[0025] Figure 4 This is a three-dimensional view of the internal structure of this invention.

[0026] Figure 5 This is a schematic diagram of the unfolded device box in this invention.

[0027] The annotations in the attached figures are explained as follows:

[0028] 1 is the adjusting rod, 2 is the front cover, 3 is the cylinder, 4 is the cover plate, 5 is the second adjusting ring, 6 is the limiting plate, 7 is the first adjusting ring, 8 is the equipment box, 9 is the connecting rod, 10 is the third spring, 11 is the second spring, 12 is the base, 13 is the rear cover, 14 is the first spring, 15 is the first limiting pin, 16 is the fourth spring, 17 is the sliding sleeve, 18 is the sleeve, 19 is the limiting seat, 20 is the second limiting pin, and 21 is the fifth spring. Implementation

[0029] The following is in conjunction with the appendix Figures 1-5 The technical solution of the present invention will be further explained below:

[0030] like Figures 1-5 As shown, a fixed-point fire extinguishing device for high-rise buildings includes a cylinder 3. A sleeve 18 is installed inside the cylinder 3, and an adjusting rod 1 is movably installed inside the sleeve 18, with one end of the adjusting rod 1 extending outward from inside the cylinder 3. In other words, the adjusting rod is movably installed inside the cylinder, and its head extends outward from the cylinder, so that when the cylinder falls to the fire location, the head of the adjusting rod contacts the fire point and then retracts into the cylinder.

[0031] Specifically, such as Figure 2 As shown, a rear end cap 13 is provided between one end of the sleeve 18 and the cylinder 3, and a front end cap 2 is provided between the cylinder 3 and the adjusting rod 1, with the end of the adjusting rod 1 extending from the front end cap 2. A groove for accommodating the adjusting rod 1 is provided in the rear end cap 13, and a first spring 14 is provided in the groove, which is connected to the adjusting rod 1. That is, a rear end cap is provided on the rear side of the sleeve and the cylinder, and a front end cap is provided on the front side of the cylinder. A groove is provided on the rear end cap, and a first spring is installed in the groove. The adjusting rod passes through the sleeve, with the tail end of the adjusting rod passing through the groove and connected to the first spring, and the head of the adjusting rod protruding from the front end cap.

[0032] It should be noted that the compressibility of the first spring 14 is the difference in axial distance between the first limiting pin 15 and the second limiting pin 20.

[0033] Specifically, such as Figure 1 and Figure 2 As shown, several equipment boxes 8 for filling fire extinguishing bombs and / or fire extinguishing agents are movably arranged circumferentially along the outer side of the sleeve 18. A cover plate 4 is attached above the equipment box 8 and fastened to the cylinder body 3. In other words, several equipment boxes are movably arranged on the outer side of the sleeve, each containing fire extinguishing bombs and / or fire extinguishing agents. A cover plate corresponding to each equipment box is detachably installed on the cylinder body to seal the equipment box.

[0034] It should be noted that the device box 8 is provided with a protrusion on one end close to the front end cover 2, so that the cover plate is pushed open by the protrusion when the device box is lifted up later.

[0035] It should be noted that the device box 8 can be arc-shaped, square-shaped or other shapes, and the interior of the device box can be designed as multiple compartments or be designed as a whole.

[0036] In some embodiments, as shown in Figure 5 , the two ends of the device box 8 are respectively provided with hinge seats, one set of hinge seats is movably connected to the base on the sleeve 18 through a movable shaft, and the other set of hinge seats is movably connected to the hinge seats on the sliding sleeve on the sleeve 18 through a linkage. That is, one end of the device box is hingedly connected to the outside of the sleeve, and the other end of the device box is movably connected to the sliding sleeve through the linkage, and the device box is driven to pitch by the sliding sleeve and the linkage.

[0037] In some embodiments, as shown in Figure 5 , the cover plate 4 is provided with a buckle, the barrel 3 is provided with a ejection port for ejecting the fire extinguishing bomb and / or fire extinguishing agent, and the ejection port is provided with a clamping groove corresponding to the buckle. That is, the barrel is provided with an ejection port corresponding to the device box, the cover plate is detachably arranged on the ejection port, and the cover plate is provided with a buckle, and the ejection port is provided with a clamping groove corresponding to the buckle, so as to install the cover plate on the ejection port, and then the cover plate is pushed open by the protrusion on the device box when the device box is lifted up.

[0038] Specifically, as shown in Figure 2 and Figure 4 , the device box 8 is connected to the sliding sleeve 17 sleeved on the sleeve through a linkage, and the two ends of the sliding sleeve 17 are connected to the base 12 arranged on the two sides of the sleeve 18 and the first adjusting member through an energy storage member; that is, the end of the device box is movably connected to the sliding sleeve movably sleeved on the sleeve through a linkage, and the two ends of the sliding sleeve are connected to the base and the first adjusting member through an energy storage member, so that the sliding sleeve moves along the sleeve under the action of the energy storage member, and the sliding sleeve drives the linkage to move at the same time, and the linkage drives the device box to move.

[0039] In some embodiments, as shown in Figure 2 and Figure 5As shown, the linkage comprises a connecting rod 9, one end of the connecting rod 9 is movably connected with the hinge seat on the device box 8, and the other end of the connecting rod 9 is movably connected with the hinge seat on the sliding sleeve 17; the energy storage member comprises a second spring 11 and a third spring 10, one side of the sliding sleeve 17 is connected with the base 12 through the second spring 11, and the other side of the sliding sleeve 17 is connected with the first adjusting member through the third spring 10. That is, one end of the device box is movably connected with the hinge seat on the sliding sleeve through the connecting rod, one end of the sliding sleeve is connected with the base through the second spring, and the other end of the sliding sleeve is connected with the first adjusting member through the third spring. After the locking state of the adjusting rod is released, under the action of the second spring and the third spring, the sliding sleeve is pulled to move along the sleeve to the front cover direction, the sliding sleeve synchronously drives the connecting rod to rotate, and the connecting rod drives the device box to lift to open the cover plate. It should be noted that the two ends of the connecting rod are movably connected with the sliding sleeve and the device box respectively.

[0040] It should be noted that the states of the second spring 11 and the third spring 10 are opposite when working, when the fire extinguishing bomb and the fire extinguishing agent are thrown, the second spring is in a stretched state, and the third spring is in a compressed state. The combination of this state can give the device box greater force.

[0041] In some embodiments, the energy storage member comprises a third spring 10, and the sliding sleeve 17 is connected with the first adjusting member through the third spring 10. That is, the sliding sleeve can also be connected with the first adjusting member only by using a large-specification third spring, and the connection form of the second spring at the other end of the sliding sleeve is omitted. The action force of the large-specification third spring can meet the normal lifting of the device box.

[0042] Specifically, as shown in Figure 4 As shown, one end of the sleeve 18 movably sheaths the second adjusting member on the adjusting rod 1, and the first adjusting member cooperates with the second adjusting member to adjust the lifting angle of the device box and the throwing range of the fire extinguishing agent and / or the fire extinguishing bomb by adjusting the acting length of the energy storage member. That is, the second adjusting member is movably sheathed on the adjusting rod at the position close to the front cover, the second adjusting member is threadedly connected with the first adjusting member, and a limiting plate is further arranged between the second adjusting member and the cylinder. The limiting plate is used for locking the position of the second adjusting member. Under the rotating action of the second adjusting member, the first adjusting member can be moved along the axial direction of the sleeve, and then the acting length of the third spring between the first adjusting member and the sliding sleeve can be adjusted, so that the lifting force of the device box, the lifting angle and the throwing range of the fire extinguishing agent and / or the fire extinguishing bomb can be adjusted.

[0043] In some embodiments, as Figure 4As shown, the first adjusting member includes a first adjusting ring 7, which is sleeved on the sleeve 18; the second adjusting member includes a second adjusting ring 5, which is threadedly connected to the first adjusting ring 7; the second adjusting ring 5 is sleeved on the sleeve 18, and a limiting plate 6 is provided between the second adjusting ring 5 and the cylinder 3, and a limiting step is provided on the second adjusting ring 5. The limiting step abuts against the limiting plate 6 to rotate the second adjusting ring 5 and simultaneously drive the first adjusting ring 7 to move axially along the sleeve 18, thereby adjusting the working length of the third spring 10.

[0044] In other words, the first adjusting ring is movably sleeved on the sleeve, and the second adjusting ring is sleeved on the first adjusting ring. The first adjusting ring and the second adjusting ring are connected by a thread. A limiting plate is sleeved between the second adjusting ring and the cylinder. A limiting step is provided on the end of the second adjusting ring near the front end cover. The limiting step abuts against the limiting plate, thereby locking the second adjusting ring and ensuring that the second adjusting ring can only maintain rotational movement and will not move axially. Thus, under the rotation of the second adjusting ring, the first adjusting ring is driven to move axially along the sleeve.

[0045] The first adjusting ring 7 and the second adjusting ring 5 are threadedly connected to each other. By rotating the second adjusting ring 5, the movement of the first adjusting ring 7 is controlled through the thread, thereby controlling the compression and extension of the second spring 11 and the third spring 10. This, in turn, controls the opening angle, the magnitude of the force applied, and the throwing distance of the fire extinguishing bomb and the fire extinguishing agent carrier box. By controlling the magnitude of the force applied by the device as it sequentially enters the fire scene inside the building, a "gradual advance barrage" style throwing of the fire extinguishing bomb and fire extinguishing agent can ultimately be achieved. At the same time, with the same impact point as a reference, relatively precise dispersion control can be achieved.

[0046] Specifically, the sliding sleeve 17 is provided with a locking piece which is inserted into a limiting hole formed on the sleeve 18 to fix the equipment box 8; the adjusting rod 1 is provided with an unlocking piece corresponding to the locking piece to move the adjusting rod 1 into the cylinder 3 and the unlocking piece to the position of the limiting hole to push the locking piece away when the cylinder 3 falls to the extinguishing point. That is, the side of the sliding sleeve in contact with the sleeve is provided with a locking piece and a limiting hole which penetrates the sleeve in the radial direction of the sleeve. When the locking piece is inserted into the limiting hole, the equipment box is fixed in a locked state. The adjusting rod is provided with an unlocking piece near the inner wall of the sleeve. When the adjusting rod is retracted, the unlocking piece is moved to the position of the limiting hole to push the locking piece out of the limiting hole, thereby releasing the locking state of the equipment box. Under the action of the second spring and the third spring, the sliding sleeve moves axially along the sleeve. At this time, the sliding sleeve drives the connecting rod to move, the connecting rod rotates, and then the equipment box is lifted. The end of the equipment box protrudes to push the cover open, and then the fire extinguishing bomb and / or fire extinguishing agent can be thrown out.

[0047] Specifically, as shown in Figure 3 and Figure 4 , the sliding sleeve 17 is provided with a first equipment slot, the locking piece includes a first limiting pin 15 and a fourth spring 16, the fourth spring 16 is arranged in the first equipment slot, the fourth spring 16 is connected with the first limiting pin 15, and the first limiting pin 15 is arranged in the limiting hole. That is, the first equipment slot is formed in the bottom of the sliding sleeve, the fourth spring and the first limiting pin are arranged in the first equipment slot, the first limiting pin is connected with the fourth spring, the first limiting pin is inserted into the limiting hole, and then the equipment box can be fixed in a locked state.

[0048] Specifically, as shown in Figure 3 and Figure 4As shown, the adjusting rod 1 is provided with a second equipment slot, the unlocking piece comprises a fifth spring 21, a second limiting pin 20 and a limiting seat 19, the second equipment slot is provided with a limiting slot for accommodating the fifth spring 21, the limiting seat 19 is arranged in the second equipment slot, the second limiting pin 20 is connected with the fifth spring 21, and the second limiting pin 20 extends outwards from the limiting seat 19. That is, the second equipment slot is arranged on the adjusting rod, the fifth spring and the second limiting pin are arranged in the second equipment slot, the second limiting pin is connected with the fifth spring, the second limiting pin extends outwards to the outside of the adjusting rod through the limiting seat, when the adjusting rod is retracted inwards to a certain distance, the second limiting pin is inserted into the limiting hole, the second limiting pin pushes the first limiting pin out of the limiting hole, at this time, the sliding sleeve is driven to move axially along the sleeve under the action of the second spring and the third spring, the connecting rod is quickly rotated to pop up the equipment box, the cover plate is pushed open, and the fire extinguishing bomb and / or the fire extinguishing agent are thrown out.

[0049] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A high-rise building fire-fighting fixed-point extinguishing device comprising a cylinder, characterized in that, The barrel is provided with a sleeve, an adjusting rod movably arranged in the sleeve and one end of the adjusting rod extending out of the barrel; a plurality of device boxes for loading fire extinguishing bullets and / or fire extinguishing agents are arranged on the outer side of the sleeve in a circumferential direction, a cover plate is arranged on the device boxes and buckled on the barrel; the device boxes are connected with a sliding sleeve arranged on the sleeve through linkages, the sliding sleeve is connected with the bases arranged on both sides of the sleeve and the first adjusting member through energy storage members at both ends of the sliding sleeve, a second adjusting member is movably arranged on one end of the sleeve and the adjusting rod, the first adjusting member cooperates with the second adjusting member to adjust the pop-up angle of the device boxes and the throwing range of the fire extinguishing agents and / or fire extinguishing bullets by adjusting the acting length of the energy storage members; the sliding sleeve is provided with a locking member, the locking member is inserted into a limiting hole arranged on the sleeve to fix the device boxes; the adjusting rod is provided with an unlocking member corresponding to the locking member, when the barrel falls to a fire extinguishing point, the adjusting rod touches the landing point and moves into the barrel by compression, and the unlocking member is moved to the position of the limiting hole to push the locking member open.

2. The high-rise building fire fixed-point extinguishing device according to claim 1, characterized in that, One end of the sleeve is provided with a rear end cover, the barrel is provided with a front end cover between the barrel and the adjusting rod, and the end of the adjusting rod extends out of the front end cover; a groove for accommodating the adjusting rod is arranged in the rear end cover, a first spring is arranged in the groove and connected with the adjusting rod; a buckle is arranged on the cover plate, a ejection port for ejecting the fire extinguishing bullets and / or fire extinguishing agents is arranged on the barrel, and a clamping groove corresponding to the buckle is arranged on the ejection port.

3. The high-rise building fire fixed-point extinguishing device according to claim 1, characterized in that, Both ends of the device box are respectively provided with hinged seats, one set of hinged seats are movably connected with the bases on the sleeve through a movable shaft; the linkage comprises a connecting rod, and the other set of hinged seats are movably connected with the hinged seats on the sliding sleeve through the connecting rod.

4. The high-rise building fire fixed-point extinguishing device according to claim 1, characterized in that, The energy storage member comprises a second spring and a third spring, one side of the sliding sleeve is connected with the base through the second spring, and the other side of the sliding sleeve is connected with the first adjusting member through the third spring.

5. The high-rise building fire fixed-point extinguishing device according to claim 1, wherein The energy storage member comprises a third spring, and the sliding sleeve is connected with the first adjusting member through the third spring.

6. The high-rise building fire fixed point extinguishing device according to claim 4 or 5, characterized in that, The first adjusting member comprises a first adjusting ring, and the first adjusting ring is arranged on the sleeve; the second adjusting member comprises a second adjusting ring, and the first adjusting ring is threadedly connected with the second adjusting ring; the second adjusting ring is arranged on the sleeve, a limiting plate is arranged between the second adjusting ring and the barrel, and a limiting step is arranged on the second adjusting ring, the limiting step abuts against the limiting plate, so that the second adjusting ring is rotated to drive the first adjusting ring to move along the sleeve in an axial direction, and the acting length of the third spring is adjusted.

7. The high-rise building fire fixed-point extinguishing device according to claim 1, characterized in that, The first equipment slot is arranged on the sliding sleeve, the locking piece comprises a first limiting pin and a fourth spring, the fourth spring is arranged in the first equipment slot, the fourth spring is connected with the first limiting pin, and the first limiting pin is arranged in the limiting hole.

8. The high-rise building fire fixed-point extinguishing device according to claim 1, wherein, The second equipment slot is arranged on the adjusting rod, the unlocking piece comprises a fifth spring, a second limiting pin and a limiting seat, the limiting slot for accommodating the fifth spring is arranged in the second equipment slot, the limiting seat is arranged in the second equipment slot, the second limiting pin is connected with the fifth spring, and the second limiting pin extends outwards from the limiting seat.

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