Foam fire extinguishing device with masking wheel
By designing a wheel-sheltering device on the foam extinguishing device, and using the rotation and movement of the movable rod and rotating rod to fix the wheels, the problem of semi-fixed foam extinguishing devices slipping on uneven ground is solved, ensuring stable movement and convenient operation at the fire scene.
Patent Information
- Application Number
- CN202520087592.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing semi-fixed foam fire extinguishing devices are prone to slipping on uneven ground at fire scenes, and lack effective wheel chocks, making operation inconvenient.
A foam fire truck with a wheel-shielding device was designed, including a movable rod, a fixed shaft, a rotating rod, and a wheel-shielding angle iron. The wheel-shielding angle iron is used to hold the wheel between the wheel and the ground, and the wheel is fixed and released by the rotation and movement of the movable rod and the rotating rod.
It enables stable movement of the foam fire extinguishing device at the fire scene, avoids slippage, is simple and convenient to operate, and improves the efficiency of fire extinguishing work.
Smart Images

Figure CN223874308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to foam fire extinguisher technical field especially relates to a foam fire extinguishing device with cover wheel. BACKGROUND
[0002] The semi-fixed (portable) foam fire extinguishing device is usually provided with a trolley for convenient movement, so as to be quickly moved to the fire scene. The current semi-fixed (portable) foam fire extinguishing device has the following problems: the trolley is not provided with a cover wheel device, and needs to be placed on the ground and clamped between the wheel and the ground by using bricks or other objects when not in use, so as to play a role in covering the wheel and preventing the trolley from sliding. When a fire occurs, the cover wheel needs to be removed quickly, and the extinguishing work needs to be carried out after reaching the fire scene. If the bottom surface of the fire scene is uneven, the trolley is also prone to sliding, and the cover wheel still needs to be used for fixing. SUMMARY
[0003] The utility model aims at providing a foam fire extinguishing device with a cover wheel to solve the problems in the prior art.
[0004] The utility model discloses a technical scheme for solving the technical problems is as follows:
[0005] A foam fire extinguishing device with a cover wheel, comprising a foam fire extinguishing trolley, the foam fire extinguishing trolley is provided with a platform, four vertical plates are symmetrically arranged on both sides of the platform, two groups of wheels are installed on the four vertical plates, a cover wheel device is installed on two symmetric vertical plates on the rear side or front side of the foam fire extinguishing trolley, the cover wheel device comprises a movable rod, two fixed shafts, two rotating rods and a cover wheel angle iron, the fixed shaft is fixed on the vertical plate, the two rotating rods are rotatably connected to the two fixed shafts, the movable rod is hinged to the two rotating rods through the platform above the vertical plate, one end of the cover wheel angle iron is welded to the bottom of the rotating rod, and the other end of the cover wheel angle iron is clamped between the wheel and the ground.
[0006] Further, a protruding block is welded on the movable rod, a through slot is arranged on the platform, the number of the through slots is consistent with the number of the cover wheel devices, one end of the through slot is matched with the external contour of the movable rod, the other end of the through slot is matched with the external contour of the protruding block, and the movable rod, the protruding block and the platform are penetrated through the through slot.
[0007] Further, two clamping blocks are welded on the bottom of the platform on one side of the through slot, and the distance between the two clamping blocks is greater than the width of the protruding block.
[0008] Further, two clamping rings are fixed to the bottom of the movable rod, a sleeve is rotatably connected to the movable rod between the two clamping rings, and a hinge shaft is welded to the outer wall of the sleeve.
[0009] Further, a strip-shaped slot is formed in one end of the rotating rod, the strip-shaped slot is connected to the hinge shaft, and the two rotating rods are hinged to the movable rod through the strip-shaped slot, the sleeve and the hinge shaft.
[0010] Further, two fixed shafts are symmetrically located on the vertical plate above the wheel shaft of the wheel.
[0011] The utility model has the advantages of the following:
[0012] 1. The utility model discloses a wheel covering device for half-fixed (portable) foam fire extinguishing device, which can quickly cover the wheel of the half-fixed (portable) foam fire extinguishing device, thereby preventing the occurrence of vehicle sliding.
[0013] 2. The wheel covering device is installed on the foam fire extinguishing vehicle, and the wheel covering can be switched at any time according to needs, without the need of temporarily using stones and other objects to fix the wheel, and the operation is convenient.
[0014] 3. The two clamping blocks are used for limiting the protruding blocks, so that the movable rod can be fixed through the protruding blocks when it is needed to be fixed, and the movable rod is prevented from rotating.
[0015] 4. The strip-shaped groove is arranged to enable the rotating rod to rotate along with the up-down movement of the movable rod. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic diagram of the utility model.
[0017] Figure 2 is a structural schematic diagram of the bottom structure of the utility model.
[0018] Figure 3 is a structural schematic diagram of the utility model Figure 2 at A.
[0019] Figure 4 is a structural schematic diagram of the bottom structure of the utility model when walking.
[0020] Figure 5 is a structural schematic diagram of the utility model Figure 4 at B.
[0021] Figure 6 is a structural schematic diagram of the utility model Figure 5 at C.
[0022] Figure 7 is a structural schematic diagram of the movable rod of the utility model.
[0023] 1. Foam fire extinguishing vehicle; 2. Platform; 3. Vertical plate; 4. Wheel; 5. Wheel covering device; 6. Movable rod; 7. Fixed shaft; 8. Rotating rod; 9. Wheel covering angle iron; 10. Protruding block; 11. Through slot; 12. Clamping block; 13. Clamping ring; 14. Sleeve; 15. Hinge shaft; 16. Strip-shaped groove. DETAILED DESCRIPTION
[0024] In order to make the utility model purposes, technical solutions and advantages more clearly, the following is further detailed with specific examples and drawings.
[0025] As Figures 1-7 shown, a kind of foam fire extinguishing device with cover wheel, including foam fire extinguishing train 1, foam fire extinguishing train 1 is equipped with platform 2, four vertical boards 3 are symmetrically arranged on the both sides of platform 2, two groups of wheels 4 are installed on four vertical boards 3, cover wheel device 5 is installed on the two symmetric vertical boards 3 of rear side or front side of foam fire extinguishing train 1, cover wheel device 5 includes movable rod 6, two fixed shafts 7, two rotary rods 8, cover wheel angle iron 9, fixed shaft 7 is fixed on vertical board 3, two rotary rods 8 are respectively rotationally connected on two fixed shafts 7, movable rod 6 is hinged two rotary rods 8 after passing through the platform 2 of vertical board 3 top, one end of cover wheel angle iron 9 is welded at the bottom of rotary rod 8, the other end of cover wheel angle iron 9 is clamped between wheel 4 and ground.
[0026] Convex block 10 is welded on movable rod 6, and convex block 10 is used to clamp movable rod 6 on clamping block 12. Platform 2 is provided with through slot 11, the number of through slot 11 is consistent with the number of cover wheel device 5, one end of through slot 11 matches the external contour of movable rod 6, the other end of through slot 11 matches the external contour of convex block 10, movable rod 6 and convex block 10 pass through platform 2 through through slot 11, so that movable rod 6 and the convex block 10 thereon can pass through through slot 11 and move up and down.
[0027] Two clamping blocks 12 are welded on the bottom of platform 2 on one side of through slot 11, the distance between the two clamping blocks 12 is greater than the width of convex block 10, and the two clamping blocks 12 are used to limit convex block 10, so that when it is necessary to fix movable rod 6, convex block 10 can be used to fix movable rod 6, to prevent movable rod 6 from rotating.
[0028] Two clamping rings 13 are fixed on the bottom of movable rod 6, and sleeve 14 is rotationally connected to the movable rod 6 between the two clamping rings 13, and hinged shaft 15 is welded on the outer wall of sleeve 14. Movable rod 6 can rotate in sleeve 14, so that rotating movable rod 6 makes convex block 10 clamped between the two clamping blocks 12.
[0029] One end of rotary rod 8 is provided with strip slot 16, and strip slot 16 is connected to hinged shaft 15, and two rotary rods 8 are hinged to movable rod 6 through strip slot 16, sleeve 14 and hinged shaft 15. The arrangement of strip slot 16 can make rotary rod 8 rotate following the up-down movement of movable rod 6.
[0030] Two fixed shafts 7 are symmetrically located on the vertical board 3 above the axle of wheel 4.
[0031] The working principle of the utility model is:
[0032] When the vehicle is idle or the wheels 4 need to be fixed by the wheel cover device 5, the movable rod 6 is pulled upward, the protruding block 10 passes through the through slot 11, the hinged shaft 15 on the bottom end sleeve 14 of the movable rod 6 moves upward and slides upward in the strip-shaped slot 16 at the top end of the two rotating rods 8, the two rotating rods 8 rotate around the shaft centers of the two fixed shafts 7 respectively, the two wheel cover angle irons 9 rotate and are clamped between the wheels 4 and the ground, and after the wheel cover angle irons 9 on all the wheel cover devices 5 are clamped between the wheels 4 and the ground, the wheels 4 are fixed and prevented from rolling forward and backward.
[0033] When the vehicle is idle or the wheels 4 need to be fixed by the wheel cover device 5, the movable rod 6 is pulled upward, the protruding block 10 passes through the through slot 11, the hinged shaft 15 on the bottom end sleeve 14 of the movable rod 6 moves upward and slides upward in the strip-shaped slot 16 at the top end of the two rotating rods 8, the two rotating rods 8 rotate around the shaft centers of the two fixed shafts 7 respectively, the two wheel cover angle irons 9 rotate and are clamped between the wheels 4 and the ground, and after the wheel cover angle irons 9 on all the wheel cover devices 5 are clamped between the wheels 4 and the ground, the wheels 4 are fixed and prevented from rolling forward and backward.
[0034] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the concept and scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design concept of the present application shall fall within the protection scope of the present application.
[0035] The technical, shape and structure parts not described in detail in the present application are well-known technologies.
Claims
1. A foam fire extinguishing device with a mask wheel, comprising a foam fire extinguishing vehicle, the foam fire extinguishing vehicle being provided with a platform, four vertical plates being symmetrically arranged on both sides of the platform, and two groups of wheels being mounted on the four vertical plates, characterized in that, The two symmetrical vertical plates on the rear side or the front side of the foam fire extinguishing vehicle are provided with shield wheel devices, the shield wheel device comprises a movable rod, two fixed shafts, two rotating rods and a shield wheel angle iron, the fixed shafts are fixed on the vertical plates, the two rotating rods are respectively rotationally connected to the two fixed shafts, the movable rod is hingedly connected to the two rotating rods through a platform above the vertical plate, one end of the shield wheel angle iron is welded to the bottom of the rotating rod, and the other end of the shield wheel angle iron is clamped between the wheel and the ground.
2. Foam fire extinguishing apparatus with a mask wheel according to claim 1, characterized in that A protrusion is welded to the movable rod, a plurality of through slots are arranged on the platform, the number of the through slots is consistent with the number of the shield wheel devices, one end of each through slot is matched with the external contour of the movable rod, and the other end of each through slot is matched with the external contour of the protrusion, and the movable rod and the protrusion penetrate through the platform through the through slots.
3. Foam fire extinguishing apparatus with a mask wheel according to claim 2, characterized in that Two clamping blocks are welded to the bottom of the platform on one side of the through slot, and the distance between the two clamping blocks is greater than the width of the protrusion.
4. The bubble fire extinguishing apparatus with a mask wheel according to claim 1, characterized in that, Two clamping rings are fixed to the bottom of the movable rod, a sleeve is rotationally connected to the movable rod between the two clamping rings, and a hinge shaft is welded to the outer wall of the sleeve.
5. Foam fire extinguishing apparatus with a mask wheel according to claim 4, characterized in that The rotating rod is provided with a strip-shaped slot at one end, the strip-shaped slot is penetrated by the hinge shaft, and the two rotating rods are hingedly connected to the movable rod through the strip-shaped slot, the sleeve and the hinge shaft.
6. The bubble fire extinguishing apparatus with a mask wheel according to claim 1, characterized in that, The two fixed shafts are symmetrically arranged on the vertical plates above the wheel shafts of the wheels.