A fixing structure for a rescue ladder for a fire truck

Abstract

The utility model discloses a fixing structure of a rescue ladder for a fire truck, comprising a fire truck tail plate arranged on a fire truck body, a first clamping mechanism and a second clamping mechanism for clamping a cross bar of the rescue ladder are installed on the fire truck tail plate, the second clamping mechanism comprises a lower clamping block, a lower rubber clamping plate, an upper clamping block, a spring, an upper rubber clamping plate, an adjustment block, a slide bar, a first screw rod, and a connecting block, the lower clamping block is slidably installed on the fire truck tail plate, a locking mechanism for locking the lower clamping block is installed on the lower clamping block, a lower rubber clamping plate is fixed on the lower clamping block, a slide bar is fixed on the lower clamping block, a connecting block is fixed on the slide bar, a first screw rod is rotatably sleeved on the connecting block, an adjustment block is threadedly sleeved on the first screw rod, and the adjustment block is slidably sleeved on the slide rod. The rescue ladder of the utility model is convenient and flexible to use, and meets the actual needs of on-site rescue.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a fixing structure of a rescue ladder for a fire fighting vehicle. Background Art

[0002] Fire rescue ladders play a vital role in fire or other emergency rescue situations. They are one of the main tools for firefighters to rescue high-rise buildings, enter narrow spaces or cross obstacles. Rescue ladders are generally placed inside fire rescue vehicles. When using them, you need to open the tailgate of the rescue compartment first and then take them out. It is inflexible to use and affects the convenience of rescue. To solve this problem, we propose a fixed structure for rescue ladders for fire trucks. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a fixing structure for a rescue ladder for a fire truck.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The fire truck according to claim 1, wherein the first clamping mechanism and the second clamping mechanism are connected to the fire truck tail plate, the second clamping mechanism comprising a lower clamping block, a lower rubber clamping plate, an upper clamping block, a spring, an upper rubber clamping plate, an adjusting block, a sliding rod, a first screw rod, and a connecting block. The lower clamping block is slidably mounted on the fire truck tail plate, and a locking mechanism for locking the lower clamping block is installed on the lower clamping block, a lower rubber clamping plate is fixed on the lower clamping block, a sliding rod is fixed on the lower clamping block, a connecting block is fixed on the sliding rod, a first screw rod is rotatably sleeved on the connecting block, an adjusting block is sleeved on the first screw rod through a thread, the adjusting block is slidably sleeved on the sliding rod, an upper clamping block is fixed on the side of the adjusting block, an upper rubber clamping plate is connected to the interior of the upper clamping block through a spring, and the upper rubber clamping plate is slidably sleeved on the interior of the upper clamping block. The structures of the first clamping mechanism and the second clamping mechanism are exactly the same, and the lower clamping block on the first clamping mechanism is fixed on the fire truck tail plate.

[0006] A slide groove is provided on the tail plate of the fire truck, a first sliding block is fixed on the lower clamping block, and the first sliding block is slidably installed in the slide groove.

[0007] The locking mechanism includes a sleeve, a second screw rod, a second slider, an insert block, and a slot. The sleeve is fixed on the lower clamping block. The second screw rod is threadedly sleeved in the sleeve. One end of the second screw rod is rotatably sleeved with the second slider. The second slider is slidably sleeved in the sleeve. The second slider is fixed with an insert block. The slide groove is provided with slots arranged equidistantly and matching the insert blocks.

[0008] A hand wheel is fixed on the top of the first screw rod.

[0009] Preferably, the upper rubber clamping plate and the lower rubber clamping plate are both arc-shaped structures.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. In the utility model, on the first clamping mechanism and the second clamping mechanism, the cross bar of the rescue ladder is located between the upper rubber clamping plate and the lower rubber clamping plate. By rotating the first screw rod, the upper rubber clamping plate and the lower rubber clamping plate can be tightly clamped on the cross bar of the rescue ladder through the threaded transmission between the first screw rod and the adjusting block, so that the cross bar of the rescue ladder is clamped, and the clamping operation is very convenient. The rescue ladder is clamped at two points by the first clamping mechanism and the second clamping mechanism, which reduces the time for taking the rescue ladder. The spring provided makes the clamping have a certain flexibility, so that it can be buffered when subjected to vibration, and has a protective effect on the rescue ladder;

[0012] 2. In the utility model, the second screw rod is rotated, and the second slider can be pushed to move through the threaded transmission between the second screw rod and the sleeve. The second slider drives the plug block to be inserted into the slot to achieve locking, and the lower clamping block is locked to prevent the rescue ladder from automatically unfolding after clamping. The plug block is pulled out of the slot to achieve unlocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the position of the utility model on the fire truck body;

[0014] Figure 2 This is a structural schematic diagram of a fixing structure of a rescue ladder for a fire truck proposed by the utility model;

[0015] Figure 3 for Figure 2 Schematic diagram of the local structure.

[0016] In the figure: 1 fire truck body, 2 fire truck tail plate, 3 first clamping mechanism, 4 second clamping mechanism, 40 hand wheel, 41 lower clamping block, 42 ​​lower rubber clamping plate, 43 upper clamping block, 44 spring, 45 upper rubber clamping plate, 46 adjustment block, 47 slide rod, 48 first screw rod, 49 connecting block, 5 locking mechanism, 51 sleeve, 52 second screw rod, 53 second slider, 54 plug block, 55 slot, 6 first slider, 7 slide groove, 8 rescue ladder. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1 , Figure 2 , Figure 3 A fixing structure of a rescue ladder for a fire truck comprises a fire truck tail plate 2 arranged on a fire truck body 1, a first clamping mechanism 3 and a second clamping mechanism 4 for clamping a cross bar of the rescue ladder are installed on the fire truck tail plate 2, the second clamping mechanism 4 comprises a lower clamping block 41, a lower rubber clamping plate 42, an upper clamping block 43, a spring 44, an upper rubber clamping plate 45, an adjustment block 46, a sliding rod 47, a first screw rod 48, and a connecting block 49, the lower clamping block 41 is slidably installed on the fire truck tail plate 2, and a locking mechanism 5 for locking the lower clamping block 41 is installed on the lower clamping block 41, The locking mechanism 5 is used to lock the lower clamping block 41 to prevent the rescue ladder 8 from automatically unfolding after clamping. A lower rubber clamping plate 42 is fixed to the lower clamping block 41, a sliding rod 47 is fixed to the lower clamping block 41, a connecting block 49 is fixed to the sliding rod 47, a first screw rod 48 is rotatably sleeved on the connecting block 49, an adjusting block 46 is sleeved on the first screw rod 48 through a thread, the adjusting block 46 is slidably sleeved on the sliding rod 47, an upper clamping block 43 is fixed on the side of the adjusting block 46, the interior of the upper clamping block 43 is connected to an upper rubber clamping plate 45 through a spring 44, and the upper rubber clamping plate 45 slides The first clamping mechanism 3 and the second clamping mechanism 4 have the same structure. The lower clamping block 41 on the first clamping mechanism 3 is fixed on the tail plate 2 of the fire truck. The top of the first screw rod 48 is fixed with a hand wheel 40. The upper rubber clamping plate 45 and the lower rubber clamping plate 42 are both arc-shaped structures. The tail plate 2 of the fire truck is provided with a slide groove 7. The lower clamping block 41 is fixed with a first slider 6. The first slider 6 is slidably installed in the slide groove 7. On the first clamping mechanism 3 and the second clamping mechanism 4, the cross bar of the rescue ladder 8 is located between the upper rubber clamping plate 45 and the lower rubber clamping plate 42. By rotating the first screw rod 48 between the rubber clamps 42, the upper rubber clamps 45 and the lower rubber clamps 42 can be tightly clamped on the crossbar of the rescue ladder 8 through the threaded transmission between the first screw rod 48 and the adjusting block 46, so that the crossbar of the rescue ladder 8 is clamped, and the clamping operation is very convenient. The rescue ladder 8 is clamped at two points through the first clamping mechanism 3 and the second clamping mechanism 4, which reduces the time for taking the rescue ladder 8. The set spring 44 makes the clamping have a certain flexibility, so that it can be buffered when subjected to vibration, which has a protective effect on the rescue ladder 8.

[0019] Reference Figure 3The locking mechanism 5 includes a sleeve 51, a second screw rod 52, a second slider 53, an insert block 54, and a slot 55. The sleeve 51 is fixed on the lower clamping block 41. The second screw rod 52 is threadedly sleeved in the sleeve 51. One end of the second screw rod 52 is rotatably sleeved with the second slider 53. The second slider 53 is slidably sleeved in the sleeve 51. The insert block 54 is fixed on the second slider 53. The slide groove 7 is provided with slots 55 arranged equidistantly and matching the insert block 54. The second screw rod 52 is rotated, and the second slider 53 can be pushed to move through the threaded transmission between the second screw rod 52 and the sleeve 51. The second slider 53 drives the insert block 54 to be inserted into the slot 55 to achieve locking, and the insert block 54 is pulled out of the slot 55 to achieve unlocking.

[0020] Working principle: When in use, on the first clamping mechanism 3 and the second clamping mechanism 4, the crossbar of the rescue ladder 8 is located between the upper rubber clamping plate 45 and the lower rubber clamping plate 42, and the first screw rod 48 is rotated. Through the threaded transmission between the first screw rod 48 and the adjustment block 46, the upper rubber clamping plate 45 and the lower rubber clamping plate 42 can be tightly clamped on the crossbar of the rescue ladder 8, so that the crossbar of the rescue ladder 8 is clamped, and the clamping operation is very convenient. The rescue ladder 8 is clamped at two points by the first clamping mechanism 3 and the second clamping mechanism 4. , reducing the time for taking out the rescue ladder 8. The spring 44 provided makes the clamping have a certain flexibility, so that it can be buffered when subjected to vibration, and has a protective effect on the rescue ladder 8; the second screw rod 52 is rotated, and the second slider 53 can be pushed to move through the threaded transmission between the second screw rod 52 and the sleeve 51. The second slider 53 drives the insert block 54 to be inserted into the slot 55 to achieve locking, and the lower clamping block 41 is locked to prevent the rescue ladder 8 from automatically unfolding after clamping, and the insert block 54 is pulled out from the slot 55 to achieve unlocking.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing structure for a rescue ladder for a fire truck, comprising a fire truck tail plate (2) arranged on a fire truck body (1), characterized in that: The fire truck tail plate (2) is provided with a first clamping mechanism (3) and a second clamping mechanism (4) for clamping a rescue ladder cross bar. The second clamping mechanism (4) comprises a lower clamping block (41), a lower rubber clamping plate (42), an upper clamping block (43), a spring (44), an upper rubber clamping plate (45), an adjustment block (46), a slide bar (47), a first screw rod (48), and a connecting block (49). The lower clamping block (41) is slidably mounted on the fire truck tail plate (2). The lower clamping block (41) is provided with a locking mechanism (5) for locking the lower clamping block (41). The lower rubber clamping plate (42) is fixed to the lower clamping block (41). The slide bar (47) is fixed to the lower clamping block (41). A connecting block (49) is fixed on the slide bar (47), a first screw rod (48) is rotatably sleeved on the connecting block (49), an adjusting block (46) is sleeved on the first screw rod (48) through a thread, the adjusting block (46) is slidably sleeved on the slide bar (47), an upper clamping block (43) is fixed on the side of the adjusting block (46), the interior of the upper clamping block (43) is connected to an upper rubber clamping plate (45) through a spring (44), the upper rubber clamping plate (45) is slidably sleeved on the interior of the upper clamping block (43), the first clamping mechanism (3) and the second clamping mechanism (4) have exactly the same structure, and the lower clamping block (41) on the first clamping mechanism (3) is fixed on the tail plate (2) of the fire truck.

2. The fixing structure of the rescue ladder for a fire truck according to claim 1, characterized in that: The fire truck tail plate (2) is provided with a slide groove (7), the lower clamping block (41) is fixed with a first slide block (6), and the first slide block (6) is slidably installed in the slide groove (7).

3. The fixing structure of the rescue ladder for a fire truck according to claim 2, characterized in that: The locking mechanism (5) comprises a sleeve (51), a second screw rod (52), a second slider (53), an insert block (54), and a slot (55); the sleeve (51) is fixed on the lower clamping block (41); the second screw rod (52) is threadedly sleeved in the sleeve (51); one end of the second screw rod (52) is rotatably sleeved with the second slider (53); the second slider (53) is slidably sleeved in the sleeve (51); the insert block (54) is fixed on the second slider (53); and the slide groove (7) is provided with slots (55) arranged equidistantly and matching the insert block (54).

4. The fixing structure of the rescue ladder for a fire truck according to claim 1, characterized in that: A hand wheel (40) is fixed on the top of the first screw rod (48).

5. The fixing structure of the rescue ladder for a fire truck according to claim 1, characterized in that: The upper rubber clamping plate (45) and the lower rubber clamping plate (42) are both arc-shaped structures.

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