CN218505887U

CN218505887U - Fire-fighting equipment carrying auxiliary device

Info

Publication number: CN218505887U
Application number: CN202222432064.1U
Authority: CN
Inventors: 葛园园
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-21
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to the technical field of carrying auxiliary devices, in particular to a fire-fighting equipment carrying auxiliary device; the buffer mechanism with the buffer function is matched with a buffer cushion of the box body assembly to realize double buffering of the dry powder fire extinguisher in the box body assembly in the carrying process, the first one-way valve assembly and the second one-way valve assembly in the buffer mechanism are matched with the buffer spring, when bumping occurs, the buffer mechanism firstly buffers through the buffer spring and the first one-way valve assembly, then eliminates the resilience of the buffer spring through the buffer spring and the second one-way valve assembly, prevents the resilience of the buffer spring from causing the box body assembly to shake, and therefore guarantees the stability of the box body assembly in the dry powder fire extinguisher carrying process; the problem of carry the dry powder fire extinguisher in-process, no matter adopt dolly or manpower manual transport all difficult to avoid dry powder fire extinguisher to take place the rigidity and strike and lead to taking place danger in handling is solved.

Description

Fire-fighting equipment carrying auxiliary device

Technical Field

The utility model relates to a transport auxiliary device technical field specifically is a fire-fighting equipment carries auxiliary device.

Background

The principle of the dry powder fire extinguisher is that dry powder is sprayed to a fire source by using internal air pressure to prevent combustible substances from contacting with air, so as to achieve the fire extinguishing principle, therefore, the container of the dry powder fire extinguisher as a pressure container has the risk of easy explosion under the action of rigid impact such as impact, violent vibration and the like, especially, the dry powder fire extinguisher with long service life is corroded by a shell on the surface and is easy to explode, therefore, in the carrying process, the dry powder fire extinguisher needs to be kept stable and avoids rigid impact such as impact and the like when moving, common trolley carrying or manual carrying can be generally adopted, when the trolley carrying is adopted, when stones, speed reducing belts or pits meet on the road, the dry powder fire extinguisher placed on the trolley is easy to be subjected to rigid impact in the bumping process and is easy to generate danger, and when the dry powder fire extinguisher is manually carried, on one hand, the manual carrying is slow, on the other hand, the risk of the dry powder fire extinguisher tripping caused by objects can not be avoided, therefore, a certain danger is achieved in the carrying process of the dry powder fire extinguisher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a fire-fighting equipment carries auxiliary device has solved at transport dry powder fire extinguisher in-process, no matter adopt dolly or manpower manual transport all difficult in order to avoid dry powder fire extinguisher to receive the rigidity in handling and strike and lead to taking place dangerous problem.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a fire-fighting equipment carries auxiliary device, is fixed with evenly distributed's buffer gear including the box subassembly that is used for placing dry powder fire extinguisher below the box subassembly.

Buffer gear is fixed with the baffle including bottom open-ended buffer housing on buffer housing's the cross section, and baffle center slidable mounting has the piston assembly who runs through the baffle both sides, and the piston assembly lower extreme is installed and is used for the rolling universal wheel subassembly on ground, and the piston assembly top is equipped with the first check valve subassembly that is used for the downward unidirectional flow of liquid, and the piston assembly lower part is fixed with spring mounting board, is fixed with buffer spring between baffle and the spring mounting board.

Preferably, the piston assembly comprises a piston rod penetrating through two sides of the partition plate and the bottom wall of the buffer shell, a piston head which is vertically and slidably mounted on the inner wall of the buffer shell is fixed at the top end of the piston rod, and the universal wheel assembly is fixed at the lower end of the piston rod.

Preferably, the first check valve assembly comprises a groove formed in the bottom surface of the piston head, a plurality of through holes penetrating through the top wall of the piston head are formed in the groove, a first valve plate covering the through holes is arranged in the groove, an installation plate installed below the first valve plate is fixed on the piston rod, and a first spring fixed between the installation plate and the first valve plate is sleeved outside the piston rod.

Preferably, the second check valve assembly comprises a second spring arranged in one of the through holes, one end of the second spring is fixed on the upper surface of the first valve plate, the other end of the second spring is fixed with the second valve plate, and a buffering hole is formed in the first valve plate and corresponds to the second spring.

Preferably, the universal wheel assembly comprises a mounting shell rotatably mounted at the lower end of the piston assembly, and rollers for rolling on the ground are rotatably mounted in the mounting shell.

Preferably, the box body assembly comprises a box body fixed to the tops of the buffering shells, a plurality of cavities used for containing single dry powder fire extinguishers are formed in the tops of the box body, buffering cushions are fixed to the inner walls of the cavities, and a handle is fixed to the upper portion of one side of the box body.

(III) advantageous effects

Compared with the prior art, the utility model provides a fire-fighting equipment carries auxiliary device possesses following beneficial effect:

buffer gear cooperation box subassembly's blotter with buffer function, the realization carries out dual buffering to the dry powder fire extinguisher in the handling in-process box subassembly, first check valve subassembly and second check valve subassembly cooperation buffer spring in the buffer gear, when taking place to jolt, cushion through buffer spring and first check valve subassembly earlier, rethread buffer spring and second check valve subassembly eliminate the elasticity that buffer spring kick-backed, prevent that buffer spring kick-backs to make the box subassembly take place to rock, thereby guarantee the stationarity of box subassembly at the in-process of carrying the dry powder fire extinguisher.

The universal wheel of buffer gear's piston rod bottom installation cooperates the handle on the box body, has made things convenient for box subassembly in the handling to turn to the box and has promoted, and convenient and fast saves strength more.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the case assembly of the present invention;

fig. 3 is a schematic view of the buffering mechanism of the present invention;

fig. 4 is a sectional view of the buffering mechanism of the present invention.

In the figure: 1. a case assembly; 11. a box body; 12. a cavity; 13. a cushion pad; 14. a handle; 2. a buffer mechanism; 21. a buffer housing; 22. a partition plate; 23. a piston assembly; 231. a piston rod; 232. a piston head; 24. a universal wheel assembly; 241. installing a shell; 242. a roller; 25. a first one-way valve assembly; 251. a groove; 252. a through hole; 253. a first valve plate; 254. mounting a plate; 255. a first spring; 26. a second one-way valve assembly; 261. a second spring; 262. a second valve plate; 263. a buffer hole; 27. a spring mounting plate; 28. a buffer spring.

Detailed Description

The embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.

Fig. 1-4 are the utility model discloses an embodiment, at transport dry powder fire extinguisher in-process, no matter adopt dolly or manpower manual transport all to be difficult to avoid dry powder fire extinguisher to receive the rigidity in handling and strike and lead to taking place danger, utilize buffer gear's cushioning effect to strike the rigidity in with the handling and turn into the flexible impact, improve the security in the handling.

The utility model provides a fire-fighting equipment carries auxiliary device, is fixed with evenly distributed's buffer gear 2 including the box subassembly 1 that is used for placing dry powder fire extinguisher 1 below, with the help of buffer gear 2's cushioning effect, weakens and assaults the rigidity that takes place because of jolting at the in-process through box subassembly 1 transport dry powder fire extinguisher to avoid dry powder fire extinguisher to assault because of the rigidity and lead to taking place dangerous condition.

The buffer mechanism 2 comprises a buffer shell 21, a partition plate 22 is fixed on the cross section of the buffer shell 21, hydraulic oil is filled in the space above the partition plate 22 in the buffer shell 21, a piston assembly 23 penetrating through the two sides of the partition plate 22 is installed in the center of the partition plate 22 in a sliding manner, a universal wheel assembly 24 used for rolling on the ground is installed at the lower end of the piston assembly 23, the box body assembly 1 is conveniently pushed by the universal wheel assembly 24 in a labor-saving manner, a first check valve assembly 25 used for one-way flow of liquid downwards is arranged at the top end of the piston assembly 23, the hydraulic oil can only pass through the piston assembly 23 through the first check valve assembly 25 and flow downwards, a second check valve assembly 26 used for one-way flow of liquid upwards is arranged on the first check valve assembly 25, the hydraulic oil can only pass through the piston assembly 23 through the second check valve assembly 26 and flow upwards, a spring mounting plate 27 is fixed at the lower part of the piston assembly 23, a buffer spring 28 is fixed between the partition plate 22 and the spring mounting plate 27, when the device jolts during the transportation of the dry powder fire extinguisher, at this time, a certain universal wheel assembly 24 drops to the ground after stepping on a pit or a stone, firstly the buffer spring 28 is compressed, the piston assembly 23 slides upwards relative to the partition plate 22, the hydraulic oil above the piston assembly 23 is compressed, so that the hydraulic oil above flows downwards through the first check valve assembly 25, the reduction of the buffer effect of the buffer spring 28 is reduced by increasing the flow rate of the hydraulic oil passing through the first check valve assembly 25, the buffer spring 28 can work normally, then the buffer spring 28 starts to rebound, the piston assembly 23 moves downwards relatively, the hydraulic oil below the piston assembly 23 flows upwards through the second check valve assembly 26, and the rebound force of the buffer spring 28 is eliminated by reducing the flow rate of the liquid passing through the second check valve assembly 26, thereby realize utilizing buffer spring 28 to weaken the vibrations of box subassembly 1, also can eliminate the range that buffer spring 28 kick-backed, realize that box subassembly 1 can move steadily at the in-process of carrying dry powder fire extinguisher, avoid meetting the barrier and take place the rigidity and strike in handling, improve the security of dry powder fire extinguisher in handling.

As the preferable technical scheme of the embodiment, the piston assembly 23 comprises a piston rod 231 penetrating through two sides of the partition plate 22 and the bottom wall of the buffer housing 21, a piston head 232 which is installed on the inner wall of the buffer housing 21 in a vertically sliding manner is fixed at the top end of the piston rod 231, the universal wheel assembly 24 is fixed at the lower end of the piston rod 231, and the piston rod 231 is used for transmitting impact force generated by bumping of the universal wheel assembly 24 in the movement process to the piston head 232 so as to enable the internal hydraulic oil and the buffer spring 28 to work and weaken the vibration transmitted to the box body assembly 1, thereby avoiding severe rigid impact of the dry powder fire extinguisher in the carrying process and ensuring the safety in the carrying process.

As a preferable technical solution of this embodiment, the first check valve assembly 25 includes a groove 251 formed on a bottom surface of the piston head 232, a plurality of through holes 252 penetrating through a top wall of the piston head 232 are formed in the groove 251, a first valve plate 253 covering the plurality of through holes 252 is disposed in the groove 251, an installation plate 254 mounted below the first valve plate 253 is fixed on the piston rod 231, a first spring 255 fixed between the installation plate 254 and the first valve plate 253 is sleeved outside the piston rod 231, in a normal state, the first spring 255 presses the first valve plate 253 against an inner wall of the groove 251, when the piston head 232 slides upwards, hydraulic pressure is generated in hydraulic oil above the piston rod, the hydraulic pressure is applied to the first valve plate 253, and the first spring 255 is compressed, so that the hydraulic oil does not block the through holes 252 any more, the hydraulic oil flows into the lower portion of the piston head 232 through the through holes 252, the hydraulic oil moves downwards fast, thereby fully exerting a buffering function of the buffering spring 28, preventing dry powder fire extinguisher in the tank assembly 1 from being subjected to severe rigid impact, and ensuring stability during transportation.

As a preferred technical solution of this embodiment, the second check valve assembly 26 includes a second spring 261 disposed in one of the through holes 252, one end of the second spring 261 is fixed on an upper surface of the first valve plate 253, and the other end of the second spring 261 is fixed with a second valve plate 262, in a normal state, the second valve plate 262 presses the second valve plate 262 against an upper surface of the piston head 232, when the rebound starts after the buffering of the buffering spring 28, at this time, the piston head 232 starts to slide downward under the elastic force of the buffering spring 28, so that the internal pressure of the hydraulic oil below is increased, and the pressure is applied to the second valve plate to jack up the second valve plate 262, a buffering hole 263 is disposed on the first valve plate 253 corresponding to the second spring 261, so that the hydraulic oil below flows upward through the buffering hole 263 and the through hole 252 corresponding thereto, and at this time, the first valve plate 253 presses the through hole 262 due to the pressure below, so that the hydraulic oil below cannot flow upward through the other through holes 252, thereby counteracting the internal pressure of the hydraulic oil of the buffering spring 28, weakening the rebound force of the buffering spring 28, restoring the rebound force to restore the buffering spring 28 to the dry powder assembly 1 to further shake the fire extinguisher during the transportation process.

As a preferred technical solution of this embodiment, the universal wheel assembly 24 includes a mounting housing 241 rotatably mounted at the lower end of the piston assembly 23, so that the mounting housing 241 can rotate in a horizontal direction without a dead angle, a roller 242 for rolling on the ground is rotatably mounted in the mounting housing 241, and the rotation of the mounting housing 241 drives the roller 242 to rotate, so as to realize the movement of the box assembly 1 and make the movement process more labor-saving.

As the preferred technical scheme of this embodiment, box subassembly 1 is including fixing the box body 11 at a plurality of buffering casings 21 tops, box body 11 tops are provided with a plurality of cavitys 12 that are used for placing single dry chemical extinguisher, be fixed with blotter 13 on the cavity 12 inner wall, blotter 13 is used for further weakening the dynamics that dry chemical extinguisher takes place the striking because of the rigid impact with box body 11 inner wall when the transport, box body 11's one side upper portion is fixed with handle 14, handle 14 makes things convenient for personnel to promote box subassembly 1 and realizes removing through universal wheel subassembly 24, convenient and fast.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 fire-fighting equipment carries auxiliary device, is including being used for placing dry powder fire extinguisher's box subassembly (1), its characterized in that: the uniformly distributed buffer mechanisms (2) are fixed below the box body component (1);

buffer gear (2) are including bottom open-ended buffer housing (21), be fixed with baffle (22) on the cross section of buffer housing (21), baffle (22) center slidable mounting has piston assembly (23) that runs through baffle (22) both sides, piston assembly (23) lower extreme is installed and is used for rolling universal wheel subassembly (24) on ground, piston assembly (23) top is equipped with first check valve subassembly (25) that are used for the downward unidirectional flow of liquid, be equipped with second check valve subassembly (26) that are used for the upward unidirectional flow of liquid on first check valve subassembly (25), piston assembly (23) lower part is fixed with spring mounting board (27), be fixed with buffer spring (28) between baffle (22) and spring mounting board (27).

2. A fire apparatus handling assistance device according to claim 1, wherein: the piston assembly (23) comprises a piston rod (231) penetrating through two sides of the partition plate (22) and the bottom wall of the buffer shell (21), a piston head (232) which is vertically and slidably mounted on the inner wall of the buffer shell (21) is fixed at the top end of the piston rod (231), and the universal wheel assembly (24) is fixed at the lower end of the piston rod (231).

3. A fire apparatus handling assistance device according to claim 2, wherein: the first one-way valve component (25) comprises a groove (251) formed in the bottom surface of the piston head (232), a plurality of through holes (252) penetrating through the top wall of the piston head (232) are formed in the groove (251), a first valve plate (253) covering the plurality of through holes (252) is arranged in the groove (251), a mounting plate (254) mounted below the first valve plate (253) is fixed on the piston rod (231), and a first spring (255) fixed between the mounting plate (254) and the first valve plate (253) is sleeved outside the piston rod (231).

4. A fire apparatus handling aid according to claim 3, wherein: the second check valve component (26) comprises a second spring (261) arranged in one through hole (252), one end of the second spring (261) is fixed on the upper surface of the first valve plate (253), the other end of the second spring (261) is fixed with the second valve plate (262), and the first valve plate (253) is provided with a buffering hole (263) in a position corresponding to the second spring (261).

5. A fire apparatus handling assistance device according to claim 1, wherein: the universal wheel assembly (24) comprises a mounting shell (241) rotatably mounted at the lower end of the piston assembly (23), and a roller (242) for rolling on the ground is rotatably mounted in the mounting shell (241).

6. A fire apparatus handling assistance device according to claim 1, wherein: the box body assembly (1) comprises a box body (11) fixed to the tops of a plurality of buffer shells (21), a plurality of cavities (12) used for containing single dry powder fire extinguishers are arranged on the top of the box body (11), cushion pads (13) are fixed to the inner walls of the cavities (12), and a handle (14) is fixed to the upper portion of one side of the box body (11).