CN214415468U - Special fire engine of high altitude rescue - Google Patents

Abstract

The utility model relates to a special fire engine for high-altitude rescue, which comprises a frame body, a lifting platform arranged above the frame body, an intermediate ladder structure and an intermediate ladder lifting mechanism arranged above the lifting platform, a lower ladder structure connected to the lower end of the intermediate ladder structure, and an upper ladder structure connected to the upper end of the intermediate ladder structure, wherein the upper end of the upper ladder structure is provided with a top platform; the middle ladder structure and the upper ladder structure are provided with a rotary platform therebetween, and the rotary platform can drive the upper ladder structure to rotate for 360 degrees. The utility model has the advantages of small volume, light weight and cost saving; simultaneously, can drive the structure of going up terraced and rotate, realize 360 degrees rotations of the structure of going up terraced, it is less to the space requirement, have and satisfy the technical effect who realizes diversified rescue and put out a fire in narrow space.

Description

Special fire engine of high altitude rescue

Technical Field

The utility model relates to a fire engine technical field especially relates to a special fire engine of high altitude rescue.

Background

With the continuous development of economy in China, the population number increases year by year, and various high-rise buildings are built more and more in order to improve the land utilization rate. The high-rise building increases the land utilization rate and brings about a plurality of potential safety hazards, such as fire. Once a fire accident occurs, the difficulty of fire extinguishment and rescue of a high-rise building is high, and the rescue effect of a common fire truck is difficult to achieve. The special high-altitude fire rescue vehicle is a special high-altitude fire rescue vehicle, can meet the requirements of high-altitude fire extinguishment and people rescue, and reduces property loss and casualties.

In the prior art, the invention patent with the application number of CN110237466A discloses a special high-altitude fire rescue vehicle, which comprises a chassis, a rotary platform, a lifting platform, an ascending structure, a descending structure and a top platform. An auxiliary frame is additionally arranged on the chassis; the rotary platform is arranged on the auxiliary frame, and the rotary platform and the auxiliary frame rotate left and right by virtue of the rotary mechanism; the lifting platform is lifted through a platform lifting hydraulic cylinder and a lifting platform scissor frame on the rotary platform, the bottom end of the ascending lifting oil cylinder is fixed on the lifting platform, and the ascending lifting ladder and the ascending rotary ladder are connected in a folding mode or in a straight line mode; the lower ladder structure is arranged in the lifting platform or extends out of the lifting platform, and the lower ladder rotary ladder and the lower ladder lifting ladder are connected in a folding way or in a straight line way; the top platform is arranged at the front end of the upper ladder lifting and contracting ladder and is provided with a fire monitor. The invention has the following advantages: the ladder frame can rotate at 140 degrees left and right, and has high adaptability to the field environment; the number of people evacuated in unit time is large, and the bearing capacity is high; the integral degree of the whole vehicle is high; the automation and the safety degree are high.

The above prior art has the following disadvantages: the rotary platform is arranged on the chassis and needs to bear the weight of the ascending structure and the descending structure, so that the rotary platform is large in size and heavy in weight. On the other hand, when revolving platform was rotatory, it is rotatory simultaneously with lower ladder structure to go up the ladder structure, and is great to the space requirement, can't carry out multi-angle position in real time and adjust, can't satisfy diversified fire extinguishing and rescue in narrow space.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a special fire engine for high-altitude rescue, which raises a rotary platform to the bottom of an upper ladder structure and has the advantages of small volume, light weight and cost saving; simultaneously, can drive the structure of going up terraced and rotate, realize 360 degrees rotations of the structure of going up terraced, it is less to the space requirement, have and satisfy the technical effect who realizes diversified rescue and put out a fire in narrow space.

The above object of the present invention is achieved by the following technical solutions:

a fire engine special for high-altitude rescue comprises a frame body, a lifting platform arranged above the frame body, an intermediate ladder structure and an intermediate ladder lifting mechanism arranged above the lifting platform, a lower ladder structure connected to the lower end of the intermediate ladder structure, and an upper ladder structure connected to the upper end of the intermediate ladder structure, wherein a top platform is arranged at the upper end of the upper ladder structure; the middle ladder structure and the upper ladder structure are provided with a rotary platform therebetween, and the rotary platform can drive the upper ladder structure to rotate for 360 degrees.

Through adopting above-mentioned technical scheme, change original two sections ladder frame structures into three sections ladder frame structures, the height of the ladder frame that not only increases, more importantly, rotary platform sets up between last ladder structure and well ladder structure, has reduced rotary platform's volume, has reduced weight, plays the effect of saving the cost.

The rotary platform drives the ascending structure to rotate, the obstacle of the frame body is avoided, 360-degree rotation of the ascending structure can be achieved, the requirement on the size of the space is low, and the technical effects of achieving multidirectional rescue and fire extinguishing in a narrow space are achieved.

Further, the descending ladder structure comprises a first descending ladder and a second descending ladder which is connected to the first descending ladder in a sliding mode; the lower extreme of first lower ladder rotates and is connected with two supporting legs, during the use, the supporting leg can rotate to with ground vertical state, the supporting leg lands and is used for supporting first lower ladder, the supporting leg can rotate to the both sides of first lower ladder and parallel with first lower ladder.

Through adopting above-mentioned technical scheme, the structure of stepping down sets to two sections, and the supporting leg can be folded, all is in order to reduce the volume of fire engine when the standby state, makes things convenient for the trip of fire engine.

Furthermore, heightening handrails are arranged on two sides of the first lower ladder, the heightening handrails are rotatably connected with the first lower ladder, a first cylinder is arranged between the heightening handrails and the first lower ladder, a cylinder body of the first cylinder is rotatably connected to the first lower ladder, and a telescopic rod of the first cylinder is rotatably connected to the heightening handrails; the extension of the telescopic rod of the first cylinder increases the height of the heightened handrail; the same heightening handrail is arranged on the second lower ladder.

Through adopting above-mentioned technical scheme, increase the security when handrail can increase the fire fighter cat ladder, increase the handrail and set to collapsible form, volume when can also reducing the fire engine standby state.

Furthermore, the middle ladder structure comprises a first middle ladder and a second middle ladder, the second middle ladder is connected with the first middle ladder in a sliding mode and can be overlapped, and the lower end of the second middle ladder is rotatably connected with the upper end of the first lower ladder; the second well ladder with be equipped with the second cylinder between the platform of lifting for support the second well ladder, the cylinder body of second cylinder rotates to be connected on the platform of lifting, the telescopic link of second cylinder rotates to be connected on the second well ladder.

Through adopting above-mentioned technical scheme, the volume when the well ladder structure sets to two sections and can reduce fire engine standby state, and the change of well ladder structure height is realized to the cooperation well ladder lifting mechanism of second cylinder, convenient operation.

Furthermore, heightening handrails are also arranged on the first middle ladder and the second middle ladder, and the structures of the heightening handrails are the same as those of the heightening handrails on the first lower ladder.

Further, the rotary platform comprises a lower supporting plate, a rotary driving assembly and an upper supporting plate; the rotary driving assembly is arranged between the upper supporting plate and the lower supporting plate, comprises a driving motor, a rotary gear and a rotary gear ring and can drive the upper supporting plate to rotate, and the upper ladder structure is connected with the upper supporting plate; the lower supporting plate is connected with the upper end of the first middle ladder in a rotating mode, and the lower surface of the lower supporting plate is connected with the middle ladder lifting mechanism.

Through adopting above-mentioned technical scheme, motor drive slewing gear rotates with gyration ring gear, and then realizes that supporting platform drives the structure of going up terraced and rotates on the middle part, and is small, the energy consumption is low, and the operation is convenient and energy saving, can realize 360 rotations in the little space, convenient rescue.

Further, the lower end of the upper ladder structure is rotatably connected with an upper support plate, a third air cylinder is arranged between the upper ladder structure and the upper support plate, the cylinder body of the third air cylinder is rotatably connected to the upper support plate, and the telescopic rod of the third air cylinder is rotatably connected with the upper ladder structure; when the telescopic rod of the third cylinder extends, the horizontal angle of the ascending structure is reduced, and the height of the top platform is reduced; when the telescopic rod of the third cylinder is shortened, the horizontal angle of the ascending structure is increased, and the height of the top platform is increased.

Through adopting above-mentioned technical scheme, the third cylinder can control the angle of going up ladder structure and horizontal plane, changes the height of fire engine, to the regulation of small circle height, can realize through the flexible of third cylinder, need not to start the well ladder lifting mechanism, reduces the energy consumption.

Further, the lower end of the second lower ladder is provided with a roller.

Through adopting above-mentioned technical scheme, the gyro wheel can reduce the second and descend the friction between ladder and the ground, conveniently removes and adjusts the structure of descending the ladder.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the original two-section ladder frame structure is changed into a three-section ladder frame structure, so that not only is the height of the ladder frame increased, but also more importantly, the rotary platform is arranged between the upper ladder structure and the middle ladder structure, the size of the rotary platform is reduced, the weight is reduced, and the effect of saving the cost is achieved; the rotary platform drives the ladder-climbing structure to rotate, the obstacle of the frame body is avoided, 360-degree rotation of the ladder-climbing structure can be realized, the requirement on the size of space is low, and the technical effects of realizing multidirectional rescue and fire extinguishing in a narrow space are achieved;

2. the third cylinder can control the angle of structure and horizontal plane of going up the ladder, changes the height of fire engine, to the regulation of small range height, can realize through the flexible of third cylinder, need not to start the well ladder lifting mechanism, reduces the energy consumption.

Drawings

FIG. 1 is a schematic view of the entire structure of the embodiment;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic view of the rear structure of the descending structure;

FIG. 4 is an enlarged view of the structure of part B in FIG. 1;

FIG. 5 is a schematic view of a rotary drive assembly;

fig. 6 is an enlarged schematic view of the structure of part C in fig. 1.

In the figure, 1, a frame body; 2. lifting the platform; 21. a slideway; 22. a step-down driver; 221. a slide base; 222. a first motor; 223. a first gear; 224. a first rack; 3. a step descending structure; 31. a first step; 311. heightening the handrail; 312. A first cylinder; 32. a second step; 321. a roller; 331. a second rack; 332. a second motor; 333. a second gear; 34. supporting legs; 4. an intermediate ladder structure; 41. a first middle ladder; 42. a second middle ladder; 43. a second cylinder; 5. an intermediate ladder lifting structure; 6. a rotating platform; 61. a lower support plate; 62. a swing drive assembly; 621. a drive motor; 622. a rotary gear; 623. a rotary gear ring; 63. an upper support plate; 7. an ascending structure; 71. a third cylinder; 8. a top platform.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a special fire engine of high altitude rescue, including frame body 1, lift platform 2, lower ladder structure 3, well ladder structure 4, well ladder lift structure 5, rotary platform 6, go up ladder structure 7 and top platform 8. In order to facilitate the running of the fire fighting truck on the road, the frame body of the fire fighting truck adopts a foldable mode. The lifting platform 2 is arranged on the frame body 1, the lifting platform 2 can lift, and when the fire truck is used, the lifting platform 2 is lifted to lift the overall height of the upper ladder structure 7, the middle ladder structure 4 and the lower ladder structure 3; when not in use, the lifting platform 2 is lowered to the lowest level, thereby facilitating the running.

Referring to fig. 1, the upper side of the lifting platform 2 is opposite to the middle ladder structure 4, and the height of the middle ladder structure 4 is adjusted through the middle ladder lifting structure 5. The upper end and the revolving platform 6 of well ladder structure 4 are connected, and the other end and the last ladder structure 7 of revolving platform 6 are connected, realize going up 360 rotations of ladder structure 7, and angular adjustment is nimble, convenient operation.

Referring to fig. 1, the lower extreme and the lower ladder structure 3 of well ladder structure 4 are connected, and during the use, well ladder structure 4 is the linear type with lower ladder structure 3, and lower ladder structure 3 contact ground, and the fire fighter rises along the order of lower ladder structure 3, well ladder structure 4 and last ladder structure 7.

Referring to fig. 1 and 2, a horizontal slide 21 matched with the type of the lower ladder structure 3 is arranged above the lifting platform 2 along the length direction, a lower ladder driver 22 is arranged in the slide 21, the lower ladder driver 22 comprises a slide seat 221, a first motor 222 fixedly connected to the slide seat 221, a first gear 223 fixedly connected to the first motor 222, and a first rack 224 fixed to the slide 21 and meshed with the first gear 223. Descending structure 3 rotates with slide 221 to be connected, and the lift of lifting platform 2 can change the angle between descending structure 3 and the slide 21, and when lifting platform 2 went to the minimum, descending structure 3 was close to flush with slide 21, rotated descending structure 3 to flush with the slide 21 direction, and first motor 222 starts, drives first gear 223 and rotates, and then drives slide 221 and remove along first rack 224 direction, takes into or releases the slide 21 with descending structure 3 simultaneously.

Referring to fig. 1 and 3, the descending ladder structure 3 includes a first descending ladder 31 and a second descending ladder 32 slidably coupled to the first descending ladder 31, and an upper end of the first descending ladder 31 is rotatably coupled to the sliding base 221. The lower ladder structure 3 further comprises a lower ladder driving assembly for driving the second lower ladder 32 to slide, a second rack 331 is fixedly connected to the middle position below the second lower ladder 32 along the length direction of the second lower ladder, a second motor 332 is fixedly connected to the lower end of the first lower ladder 31, and a second gear 333 meshed with the second rack 331 is coaxially and fixedly connected to a motor shaft of the second motor 332. When the fire truck is used, the first motor 222 drives the lower ladder structure 3 to slide out of the slideway 21, then the second motor 332 is started, and the second lower ladder 32 slides to be in the longest linear shape with the first lower ladder 31; after the use, the second motor 332 drives the second lower ladder 32 to ascend and overlap with the first lower ladder 31, then the lifting platform 2 descends, the lower ladder structure 3 is gradually parallel to the slide way 21, and then the lower ladder structure enters the slide way 21 under the driving of the first motor 222, so that the space is saved, and the size of the fire fighting truck is reduced.

Referring to fig. 1, in order to increase the stability of the descending ladder structure 3, the lower end of the first descending ladder 31 is rotatably connected with two supporting legs 34, when in use, the supporting legs 34 can rotate to be vertical to the ground, and the supporting legs 34 are grounded to support the first descending ladder 31; in the standby state, the support legs 34 can be rotated to both sides of the first lower ladder 31 and parallel to the first lower ladder 31.

Referring to fig. 1 and 4, in order to increase the safety of the firefighter when climbing a ladder, heightening handrails 311 are arranged on both sides of the first lower ladder 31, the heightening handrails 311 are rotatably connected with the first lower ladder 31, a first cylinder 312 is arranged between the heightening handrails 311 and the first lower ladder 31, the cylinder body of the first cylinder 312 is rotatably connected to the first lower ladder 31, and the telescopic rod of the first cylinder 312 is rotatably connected to the heightening handrails 311; the extension of the telescopic rod of the first cylinder 312 increases the height of the heightened handrail 311; the same raised handrail 311 is provided on the second lower ladder 32.

Referring to fig. 1, the lower end of the second descending ladder 32 is provided with a roller 321 for reducing friction between the second descending ladder 32 and the ground, and facilitating movement of the descending ladder structure 3.

Referring to fig. 1, the lower ladder structure 3 faces upwards, and above the lifting platform 2 is an intermediate ladder structure 4, and the intermediate ladder structure 4 is a bearing section in a ladder frame. The ladder structure 4 comprises a first ladder 41 and a second ladder 42, the second ladder 42 being slidably connected to the first ladder 41 and being able to overlap. The upper end of the first middle ladder 41 is rotatably connected with the middle ladder lifting mechanism 5, and the lower end of the second middle ladder 42 is rotatably connected with one end of the lifting platform 2 close to the first lower ladder 31. The escalator lifting mechanism 5 is capable of controlling the raising and lowering of the escalator structure 4, but the sliding resistance between the second escalator 42 and the first escalator 41 increases only when the escalator lifting mechanism 5 is controlling. Therefore, a second air cylinder 43 is arranged between the second middle ladder 42 and the lifting platform 2, the cylinder body of the second air cylinder 43 is rotatably connected to the lifting platform 2, and the telescopic rod of the second air cylinder 43 is rotatably connected to the upper end of the second middle ladder 42. The second cylinder 43 is matched with the middle ladder lifting mechanism 5, so that the middle ladder structure 4 can slide and lift more smoothly.

Referring to fig. 1, the first and second ladders 41 and 42 are also provided with a raised handrail 311, and have the same structure as the raised handrail 311 of the first lower ladder 31.

Referring to fig. 1 and 5, the upper end of the first escalator 41 is connected to the swing platform 6, and the swing platform 6 includes a lower support plate 61, a swing drive assembly 62, and an upper support plate 63. The lower support plate 61 is rotatably connected with the first middle ladder 41, and the bottom of the lower support plate 61 is connected with the middle ladder lifting mechanism 5; the side of the upper support plate 63 away from the first middle ladder 41 is rotatably connected with the upper ladder structure 7.

Referring to fig. 1 and 5, a swing drive assembly 62 is provided between the lower support plate 61 and the upper support plate 63, and the swing drive assembly 62 includes a drive motor 621, a swing gear 622, and a swing ring gear 623. The upper surface of slewing gear 622 and last backup pad 63 fixed connection, the lower surface and the bottom suspension fagging 61 fixed connection of gyration ring gear 623, driving motor 621 drives slewing gear 622 and rotates, and then drives backup pad 63 and go up ladder structure 7 and rotate.

Referring to fig. 1 and 6, a third cylinder 71 is arranged between the upper ladder structure 7 and the upper support plate 63, a cylinder body of the third cylinder 71 is rotatably connected to the upper support plate 63, and an expansion link of the third cylinder 71 is rotatably connected to the upper ladder structure 7; when the telescopic rod of the third cylinder 71 extends, the horizontal angle of the ascending structure 7 is reduced, and the height of the top platform 8 is reduced; when the telescopic rod of the third cylinder 71 is shortened, the horizontal angle of the ascending structure 7 is increased, and the height of the top platform 8 is increased.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not so limiting the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a special fire engine of high altitude rescue, includes frame body (1), locates lift platform (2) above frame body (1), locates well ladder structure (4) and well ladder lifting mechanism (5) of lift platform (2) top, connects lower ladder structure (3) of well ladder structure (4) lower extreme, its characterized in that: the ladder is characterized by also comprising an upper ladder structure (7) connected to the upper end of the middle ladder structure (4), wherein the upper end of the upper ladder structure (7) is provided with a top platform (8); the middle ladder structure (4) and the upper ladder structure (7) are provided with a rotary platform (6) therebetween, and the rotary platform (6) can drive the upper ladder structure (7) to rotate for 360 degrees.

2. The special fire engine for high altitude rescue of claim 1, characterized in that: the lower ladder structure (3) comprises a first lower ladder (31) and a second lower ladder (32) which is connected to the first lower ladder (31) in a sliding manner; the lower extreme of first lower ladder (31) rotates and is connected with two supporting legs (34), and during the use, supporting leg (34) can rotate to and ground vertical state, and supporting leg (34) land and are used for supporting first lower ladder (31), supporting leg (34) can rotate to the both sides of first lower ladder (31) and be parallel with first lower ladder (31).

3. The special fire engine for high altitude rescue of claim 2, characterized in that: heightening handrails (311) are arranged on two sides of the first lower ladder (31), the heightening handrails (311) are rotatably connected with the first lower ladder (31), a first cylinder (312) is arranged between the heightening handrails (311) and the first lower ladder (31), a cylinder body of the first cylinder (312) is rotatably connected to the first lower ladder (31), and a telescopic rod of the first cylinder (312) is rotatably connected to the heightening handrails (311); the extension of the telescopic rod of the first cylinder (312) increases the height of the heightened handrail (311); the same heightening handrail (311) is arranged on the second lower ladder (32).

4. The special fire engine for high altitude rescue of claim 3, characterized in that: the middle ladder structure (4) comprises a first middle ladder (41) and a second middle ladder (42), the second middle ladder (42) is connected with the first middle ladder (41) in a sliding mode and can be overlapped, and the lower end of the second middle ladder (42) is rotatably connected with the upper end of the first lower ladder (31); the second well ladder (42) with be equipped with second cylinder (43) between lift platform (2) for support the second well ladder (42), the cylinder body of second cylinder (43) rotates to be connected on lift platform (2), the telescopic link of second cylinder (43) rotates to be connected on second well ladder (42).

5. The special fire engine for high altitude rescue of claim 4, characterized in that: heightening handrails (311) are also arranged on the first middle ladder (41) and the second middle ladder (42), and the structure of the heightening handrails is the same as that of the heightening handrail (311) on the first lower ladder (31).

6. The special fire engine for high altitude rescue of claim 4, characterized in that: the rotary platform (6) comprises a lower supporting plate (61), a rotary driving assembly (62) and an upper supporting plate (63); the rotary driving component (62) is arranged between the upper supporting plate (63) and the lower supporting plate (61), the rotary driving component (62) comprises a driving motor (621), a rotary gear (622) and a rotary gear ring (623), the upper supporting plate (63) can be driven to rotate, and the upper ladder structure (7) is connected with the upper supporting plate (63); the lower supporting plate (61) is rotatably connected with the upper end of the first middle ladder (41), and the lower surface of the lower supporting plate (61) is connected with the middle ladder lifting mechanism (5).

7. The special fire engine for high altitude rescue of claim 6, characterized in that: the lower end of the upper ladder structure (7) is rotatably connected with an upper supporting plate (63), a third cylinder (71) is arranged between the upper ladder structure (7) and the upper supporting plate (63), the cylinder body of the third cylinder (71) is rotatably connected to the upper supporting plate (63), and the telescopic rod of the third cylinder (71) is rotatably connected with the upper ladder structure (7); when the telescopic rod of the third cylinder (71) extends, the horizontal angle of the ascending structure (7) is reduced, and the height of the top platform (8) is reduced; when the telescopic rod of the third cylinder (71) is shortened, the horizontal angle of the ascending structure (7) is increased, and the height of the top platform (8) is increased.

8. The special fire engine for high altitude rescue of claim 2, characterized in that: the lower end of the second lower ladder (32) is provided with a roller (321).

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