A multifunctional protective device for hose and rod support for crossing guardrails

By designing a multi-functional protective device for hoses and rod-type support for spanning guardrails, the use of rollers and ratchet components to reduce friction, solving the problem of time-consuming and labor-intensive operation and serious wear of fire hoses when spanning guardrails, achieving more efficient recycling and longer service life.

CN114949695BActive Publication Date: 2025-05-16NANJING LOVOL SPECIAL VEHICLE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202210755959.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-29
Publication Date
2025-05-16
Estimated Expiration
2042-06-29

AI Technical Summary

Technical Problem

In fire rescue, when pipelines and poles need to cross bridges and river guardrails, the operation is time-consuming and labor-intensive, inconvenient to recycling, and easy to wear, affecting strength and service life.

Method used

A multifunctional protective device for hose and rod-type support across guardrails is designed, including mounting frames, rollers, ratchet assembly and connection assembly, through which the rollers rotate, reduce friction and facilitate recycling.

Benefits of technology

The device turns sliding friction into rolling friction through the rotation of the drum, significantly reducing wear of the fire hose, improving service life, and simplifying the recycling process, saving time and labor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN114949695B_ABST
    Figure CN114949695B_ABST
Patent Text Reader

Abstract

The present invention discloses a multifunctional protective device for supporting a hose and a rod for crossing a guardrail, comprising a mounting frame, a mounting shaft rotatably connected between the two sides of the mounting frame, a roller fixedly connected to the surface of the mounting shaft, a limiting sleeve fixedly connected to the surface of the mounting shaft and at both ends of the roller, one end of the mounting shaft penetrates the mounting frame and extends to the outside of the mounting frame, and a ratchet assembly is provided on the outside of the mounting frame and on the surface of the mounting shaft. The present invention relates to the technical field of firefighting equipment. When the fire hose is recovered, the multifunctional protective device for supporting a hose and a rod for crossing a guardrail is first fixed to the guardrail, and the fire hose or rod to be recovered is placed on the roller between the two limiting sleeves, and the fire hose is pulled to drive the roller to rotate, which not only saves time and effort and facilitates the recovery of the fire hose, but also greatly reduces the wear of the fire hose and effectively improves the service life of the fire hose.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of fire fighting equipment, in particular to a multifunctional protective device supported by a hose and a rod for crossing a guardrail. Background Art

[0002] Firefighting equipment, devices and facilities are necessary weapons for fighting fires. Only by being familiar with the technical performance, applicable scope, use and maintenance requirements of various firefighting equipment, devices and facilities, and educating employees to use firefighting equipment correctly, can we give full play to the role of firefighting equipment in firefighting and put out fires in time. In firefighting and rescue, due to work needs, pipes and rods often need to cross bridges and river guardrails. When pipes and rods cross guardrails, not only is the operation time-consuming and laborious, it is inconvenient to recycle, and it is easy to wear, which affects the strength and service life of pipes and rods. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a multifunctional protective device for supporting hoses and rods across guardrails, which solves the problem that in firefighting and rescue operations, pipes and rods often need to cross bridge and river guardrails due to work needs. When pipes and rods cross guardrails, not only is the operation time-consuming and labor-intensive, and inconvenient to recover, but they are also prone to wear, which affects the strength and service life of the pipes and rods.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multifunctional protective device for supporting hoses and rods across guardrails, comprising a mounting frame, a mounting shaft is rotatably connected between the two sides of the mounting frame, a roller is fixedly connected to the surface of the mounting shaft, and a limited sleeve is fixedly connected to the surface of the mounting shaft and the two ends of the roller, one end of the mounting shaft passes through the mounting frame and extends to the outside of the mounting frame, a ratchet assembly is arranged on the outside of the mounting frame and on the surface of the mounting shaft, a connecting assembly is arranged at the bottom of the mounting frame, the connecting assembly comprises a clamping bracket plate and a handwheel clamping bracket, the top ends of the clamping bracket plate and the handwheel clamping bracket are respectively fixedly connected to the two sides of the bottom of the mounting frame, a guide nut is fixedly connected to one side of the handwheel clamping bracket, a screw shaft is threadedly connected to the inner wall of the guide nut, the screw shaft passes through the handwheel clamping bracket through the guide nut and is threadedly connected to the handwheel clamping bracket, one end of the screw shaft close to the clamping bracket plate is rotatably connected to a movable pressing plate, and one end of the screw shaft away from the clamping bracket plate is fixedly connected to an adjusting handwheel.

[0005] Preferably, an elastic gasket is fixedly connected to one side of the clamping bracket plate close to the hand wheel clamping bracket, and at least two of the elastic gaskets are provided.

[0006] Preferably, the surface of the mounting frame and both sides parallel to the roller are fixedly connected with anti-scratch edging.

[0007] Preferably, the ratchet assembly includes a mounting cylinder and a ratchet, one end of the mounting cylinder is fixedly connected to the mounting frame, the ratchet is fixedly connected to the mounting shaft, a connecting shaft is fixedly connected between the inner wall of the mounting cylinder and the mounting frame, and the surface of the connecting shaft is rotatably connected with a ratchet tooth adapted to the ratchet.

[0008] Preferably, the surface of the mounting cylinder is connected to a fixed cylinder, the inner wall of the fixed cylinder is slidably connected to a movable plate, one end of the movable plate is fixedly connected to an adjusting rod, one end of the adjusting rod passes through the fixed cylinder and extends to the interior of the fixed cylinder, and the end of the adjusting rod away from the movable plate is rotatably connected to the ratchet.

[0009] Preferably, a return spring is fixedly connected to one side of the movable plate and on the surface of the adjusting rod, and one end of the return spring away from the movable plate is fixedly connected to the inner wall of the fixed cylinder.

[0010] Beneficial Effects

[0011] The present invention provides a multifunctional protective device for crossing a guardrail by supporting a hose and a rod. Compared with the prior art, it has the following advantages:

[0012] (1) The multifunctional protective device for supporting hoses and rods across guardrails is connected to a mounting shaft by rotation between two sides of a mounting frame, a roller is fixedly connected to the surface of the mounting shaft, and a limited sleeve is fixedly connected to the surface of the mounting shaft and at both ends of the roller, one end of the mounting shaft passes through the mounting frame and extends to the outside of the mounting frame, a ratchet assembly is arranged on the outside of the mounting frame and on the surface of the mounting shaft, a connecting assembly is arranged at the bottom of the mounting frame, the connecting assembly includes a clamping bracket plate and a handwheel clamping bracket, the top ends of the clamping bracket plate and the handwheel clamping bracket are respectively fixedly connected to the two sides of the bottom of the mounting frame, and a guide nut is fixedly connected to one side of the handwheel clamping bracket The inner wall of the guide nut is threadedly connected with a screw shaft, and the screw shaft passes through the handwheel clamping bracket through the guide nut and is threadedly connected with the handwheel clamping bracket. The end of the screw shaft close to the clamping bracket plate is rotatably connected with a movable pressure plate, and the end of the screw shaft away from the clamping bracket plate is fixedly connected with an adjusting handwheel. When the fire hose is recovered, the device is first fixed to the guardrail, and the fire hose or rod to be recovered is placed on the drum between the two limit sleeves. The fire hose is pulled to drive the drum to rotate, and the sliding friction is converted into rolling friction. It not only saves time and effort and facilitates the recovery of the fire hose, but also greatly reduces the wear of the fire hose, and effectively improves the service life of the fire hose.

[0013] (2) The multifunctional protective device for supporting a hose and a rod for crossing a guardrail includes a mounting cylinder and a ratchet through a ratchet assembly. One end of the mounting cylinder is fixedly connected to the mounting frame, the ratchet is fixedly connected to the mounting shaft, a connecting shaft is fixedly connected between the inner wall of the mounting cylinder and the mounting frame, a ratchet matched with the ratchet is rotatably connected to the surface of the connecting shaft, a fixed cylinder is connected to the surface of the mounting cylinder, a movable plate is slidably connected to the inner wall of the fixed cylinder, one end of the movable plate is fixedly connected to an adjusting rod, one end of the adjusting rod passes through the fixed cylinder and extends to the inside of the fixed cylinder, one end of the adjusting rod away from the movable plate is rotatably connected to the ratchet, a return spring is fixedly connected to one side of the movable plate and located on the surface of the adjusting rod, one end of the return spring away from the movable plate is fixedly connected to the inner wall of the fixed cylinder, and the ratchet and the ratchet cooperate to make the drum rotate normally when the fire hose is recovered without reverse rotation, thereby facilitating the recovery of the fire hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of the structure of the present invention when in use;

[0015] Figure 2 A three-dimensional diagram of the structure of the present invention;

[0016] Figure 3 is a three-dimensional diagram of a ratchet assembly of the present invention;

[0017] Figure 4 It is a three-dimensional diagram of the fixing tube of the present invention.

[0018] In the figure: 1 mounting frame, 2 mounting shaft, 3 roller, 4 ratchet assembly, 41 mounting cylinder, 42 ratchet, 43 connecting shaft, 44 ratchet, 45 fixed cylinder, 46 movable plate, 47 adjusting rod, 48 return spring, 5 connecting assembly, 51 clamping bracket plate, 52 handwheel clamping bracket, 53 guide nut, 54 screw shaft, 55 movable pressure plate, 56 adjusting handwheel, 57 elastic gasket, 6 limiting sleeve, 7 anti-scratch edging. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-4The present invention provides a technical solution: a multifunctional protective device for supporting hoses and rods across guardrails, comprising a mounting frame 1, a mounting shaft 2 is rotatably connected between the two sides of the mounting frame 1, a roller 3 is fixedly connected to the surface of the mounting shaft 2, an anti-scratch edging 7 is fixedly connected to the surface of the mounting frame 1 and on both sides parallel to the roller 3, a limited sleeve 6 is fixedly connected to the surface of the mounting shaft 2 and at both ends of the roller 3, one end of the mounting shaft 2 passes through the mounting frame 1 and extends to the outside of the mounting frame 1, a ratchet assembly 4 is arranged on the outside of the mounting frame 1 and on the surface of the mounting shaft 2, the ratchet assembly 4 comprises a mounting cylinder 41 and a ratchet 42, one end of the mounting cylinder 41 is fixedly connected to the mounting frame 1, the ratchet 42 is fixedly connected to the mounting shaft 2, the ratchet 42 rotates with the mounting shaft 2 and the roller 3, a connecting shaft 43 is fixedly connected between the inner wall of the mounting cylinder 41 and the mounting frame 1, a ratchet 44 adapted to the ratchet 42 is rotatably connected to the surface of the connecting shaft 43, and a fixed cylinder 45 is connected to the surface of the mounting cylinder 41, A movable plate 46 is slidably connected to the inner wall of the fixed cylinder 45, and one end of the movable plate 46 is fixedly connected to an adjusting rod 47. One end of the adjusting rod 47 penetrates the fixed cylinder 45 and extends into the interior of the fixed cylinder 45. One end of the adjusting rod 47 away from the movable plate 46 is rotatably connected to the ratchet 44. A return spring 48 is fixedly connected to one side of the movable plate 46 and on the surface of the adjusting rod 47. The return spring 48 is in a compressed state. One end of the return spring 48 away from the movable plate 46 is fixedly connected to the inner wall of the fixed cylinder 45. A connecting component 5 is provided at the bottom of the mounting frame 1. The connecting component 5 includes a clamping bracket plate 51 and a hand wheel clamping bracket 52. The clamping bracket plate 51 is fixedly connected to one side of the hand wheel clamping bracket 52 with an elastic gasket 57. The elastic gasket 57 is a nylon gasket. At least two elastic gaskets 57 are provided. The top ends of the clamping bracket plate 51 and the hand wheel clamping bracket 52 are respectively fixedly connected to the two sides of the bottom of the mounting frame 1. One side of the hand wheel clamping bracket 52 is fixedly connected with a guide nut 53. The guide nut 53 The inner wall of the screw shaft 54 ​​is threadedly connected, and the screw shaft 54 ​​passes through the handwheel clamping bracket 52 through the guide nut 53 and is threadedly connected to the handwheel clamping bracket 52. The end of the screw shaft 54 ​​close to the clamping bracket plate 51 is rotatably connected to the movable pressing plate 55, and the end of the screw shaft 54 ​​away from the clamping bracket plate 51 is fixedly connected to the adjusting handwheel 56, and the surface of the adjusting handwheel 56 is provided with anti-slip grooves.

[0021] When in use, the clamping bracket plate 51 and the handwheel clamping bracket 52 are placed on both sides of the guardrail respectively, and the adjusting handwheel 56 is turned. The adjusting handwheel 56 rotates to drive the screw shaft 45 to rotate together. The screw shaft 54 ​​rotates to cooperate with the guide nut 53 to drive the movable pressure plate 55 to move. The movable pressure plate 55 moves to cooperate with the elastic gasket 57 on the inner side of the clamping bracket plate to fix the device to the guardrail. The fire hose or rod to be recovered is placed on the roller 3 between the two limiting sleeves 6, and the fire hose is pulled to drive the roller 3 to rotate, which is convenient for the recovery of the fire hose. At the same time, the ratchet 42 and the ratchet 44 cooperate to enable the roller 3 to rotate normally when the fire hose is recovered without reverse rotation.

[0022] In the present invention, a mounting shaft is rotatably connected between two sides of the mounting frame, a roller is fixedly connected to the surface of the mounting shaft, a limited sleeve is fixedly connected to the surface of the mounting shaft and both ends of the roller, one end of the mounting shaft passes through the mounting frame and extends to the outside of the mounting frame, a ratchet assembly is arranged on the outside of the mounting frame and on the surface of the mounting shaft, a connecting assembly is arranged at the bottom of the mounting frame, the connecting assembly includes a clamping bracket plate and a handwheel clamping bracket, the top ends of the clamping bracket plate and the handwheel clamping bracket are respectively fixedly connected to the two sides of the bottom of the mounting frame, a guide nut is fixedly connected to one side of the handwheel clamping bracket, and the inner wall of the guide nut is threadedly connected to the guide nut. A screw shaft is connected, and the screw shaft passes through a handwheel clamping bracket through a guide nut and is threadedly connected to the handwheel clamping bracket. The end of the screw shaft close to the clamping bracket plate is rotatably connected to a movable clamping plate, and the end of the screw shaft away from the clamping bracket plate is fixedly connected to an adjusting handwheel. When the fire hose is recovered, the device is first fixed to the guardrail, and the fire hose or rod to be recovered is placed on the drum between the two limit sleeves. The fire hose is pulled to drive the drum to rotate, and the sliding friction is converted into rolling friction. This not only saves time and effort and facilitates the recovery of the fire hose, but also greatly reduces the wear of the fire hose, and effectively improves the service life of the fire hose.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hose and rod type support multifunctional protective device for crossing a guardrail, comprising a mounting frame (1), characterized in that: A mounting shaft (2) is rotatably connected between the two sides of the mounting frame (1), a roller (3) is fixedly connected to the surface of the mounting shaft (2), a limiting shaft sleeve (6) is fixedly connected to the surface of the mounting shaft (2) and at both ends of the roller (3), one end of the mounting shaft (2) passes through the mounting frame (1) and extends to the outside of the mounting frame (1), a ratchet assembly (4) is arranged on the outside of the mounting frame (1) and on the surface of the mounting shaft (2), and a connecting assembly (5) is arranged at the bottom of the mounting frame (1); The connecting assembly (5) comprises a clamping bracket plate (51) and a handwheel clamping bracket (52), the top ends of the clamping bracket plate (51) and the handwheel clamping bracket (52) are respectively fixedly connected to the two sides of the bottom of the mounting frame (1), one side of the handwheel clamping bracket (52) is fixedly connected to a guide nut (53), the inner wall of the guide nut (53) is threadedly connected to a screw shaft (54), the screw shaft (54) passes through the handwheel clamping bracket (52) through the guide nut (53) and is threadedly connected to the handwheel clamping bracket (52), one end of the screw shaft (54) close to the clamping bracket plate (51) is rotatably connected to a movable clamping plate (55), and one end of the screw shaft (54) away from the clamping bracket plate (51) is fixedly connected to an adjusting handwheel (56); one side of the clamping bracket plate (51) close to the handwheel clamping bracket (52) is fixedly connected to an elastic gasket (57), and at least two of the elastic gaskets (57) are provided; The ratchet assembly (4) comprises a mounting cylinder (41) and a ratchet (42); one end of the mounting cylinder (41) is fixedly connected to the mounting frame (1); the ratchet (42) is fixedly connected to the mounting shaft (2); a connecting shaft (43) is fixedly connected between the inner wall of the mounting cylinder (41) and the mounting frame (1); and a ratchet tooth (44) adapted to the ratchet (42) is rotatably connected to the surface of the connecting shaft (43).

2. A hose and rod-type support multifunctional protective device for crossing a guardrail according to claim 1, characterized in that: The surface of the mounting frame (1) and both sides parallel to the roller (3) are fixedly connected with anti-scratch edging (7).

3. A hose and rod-type support multifunctional protective device for crossing a guardrail according to claim 2, characterized in that: The surface of the mounting cylinder (41) is connected to a fixed cylinder (45), the inner wall of the fixed cylinder (45) is slidably connected to a movable plate (46), one end of the movable plate (46) is fixedly connected to an adjusting rod (47), one end of the adjusting rod (47) passes through the fixed cylinder (45) and extends into the interior of the fixed cylinder (45), and one end of the adjusting rod (47) away from the movable plate (46) is rotatably connected to the ratchet (44).

4. A hose and rod-type support multifunctional protective device for crossing a guardrail according to claim 3, characterized in that: A return spring (48) is fixedly connected to one side of the movable plate (46) and located on the surface of the adjustment rod (47), and one end of the return spring (48) away from the movable plate (46) is fixedly connected to the inner wall of the fixed cylinder (45).

Citation Information

Patent Citations

  • Hose and rod supporting multifunctional protection device for crossing guardrail

    CN217961071U