CN211715029U - Extension ladder fixing frame of fire engine - Google Patents

Abstract

The utility model discloses a fire engine draw ladder mount, draw ladder, tertiary ladder and the device piece of drawing including the one-level, the one-level draws the ladder to include that two first montants and a plurality of equidistance fix the first horizontal pole between two first montants, the second grade draws the ladder to include that two second montants and a plurality of equidistance fix the second horizontal pole between two second montants, the tertiary ladder of drawing includes that two third montants and a plurality of equidistance fix the third horizontal pole between two third montants, and is adjacent be connected through slide mechanism between first montant and second montant, second montant and the third montant. The utility model discloses a set up subassembly such as worm wheel, worm, gear, pinion rack, because the one-way drive characteristic of worm and worm wheel, realize that the three section draws the ladder and can only just can pass in and out the holding tank under motor drive, under both resistance effects of pinion rack and gear, can avoid the fire engine to take place the skew or drop at the in-process of traveling, reinforcing safety in utilization.

Description

Extension ladder fixing frame of fire engine

Technical Field

The utility model relates to a fire engine technical field especially relates to a fire engine draws terraced mount.

Background

The fire truck, also called fire truck, is designed and manufactured to be suitable for firefighters to take and equip various fire-fighting equipment or fire extinguishing agents according to requirements, and is used for fire extinguishing, auxiliary fire extinguishing or fire rescue for fire-fighting troops, and most of national fire departments including China can also be used for other emergency rescue purposes. The fire engine can transport firefighters to a disaster site and provide a variety of tools for performing disaster relief tasks.

Can equip the ladder that draws that is used for the fireman to climb on the fire engine, because the fire engine is bulky fixed, it is longer to draw the required length of ladder, consequently two sections draw the ladder or three sections draw more extensive that the ladder was used, and current fire engine will generally draw the ladder to fix at its top, because fixed stability inadequately, when driving, has the offset, the danger that drops even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a fire engine's extension ladder mount.

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

the utility model provides a fire engine draw ladder mount, draws ladder, tertiary ladder and the device piece including one-level, one-level draw the ladder, the one-level draws the ladder to include that two first montants and a plurality of equidistance fix the first horizontal pole between two first montants, the second level draws the ladder to include that two second montants and a plurality of equidistance fix the second horizontal pole between two second montants, tertiary draw the ladder to include that two third montants and a plurality of equidistance fix the third horizontal pole between two third montants, adjacent first montant and second montant, second montant and third montant are connected through slide mechanism, the second level draws the ladder and tertiary lower extreme that draws the ladder all is provided with the locator card that is used for fixing, one-level recess, the second grade recess that is used for holding the one-level and draws the ladder and the tertiary recess that is used for holding the tertiary ladder are offered to one-level one side of device piece, one-level recess, The second grade recess forms the holding tank jointly with tertiary recess, two downside open-ended frames of the lower extreme symmetry fixedly connected with of third horizontal pole, the gyro wheel is installed to the frame internal rotation, the inner diapire of holding tank is seted up with gyro wheel roll connection's rolling slot, the one-level recess is equipped with advancing mechanism at the bilateral symmetry that the ladder was drawn to the one-level.

Preferably, the width of the first-level extension ladder is larger than that of the second-level extension ladder, and the width of the second-level extension ladder is larger than that of the third-level extension ladder.

Preferably, advancing mechanism is fixed with the pinion rack including fixing in one side that first montant kept away from first horizontal pole, the upper and lower inner wall equidistance of one-level recess rotates and is connected with a plurality of bull sticks, the outer wall of bull stick is fixed to be cup jointed the gear, and the gear is connected with the pinion rack meshing, one side of bull stick is equipped with actuating mechanism.

Preferably, actuating mechanism includes a plurality of fixed worm wheels that cup joint on the bull stick, and is a plurality of the common meshing of worm wheel is connected with the worm, one side inner wall of one-level recess inlays and is equipped with the motor, the one end fixed connection of motor and worm.

Preferably, the upper ends of the first cross bar, the second cross bar and the third cross bar are glued and fixed with anti-skid pads.

Compared with the prior art, this fire engine draw ladder mount's advantage lies in:

the utility model discloses a set up subassembly such as worm wheel, worm, gear, pinion rack, because the one-way drive characteristic of worm and worm wheel, realize that the three section draws the ladder and can only just can pass in and out the holding tank under motor drive, under both resistance effects of pinion rack and gear, can avoid the fire engine to take place the skew or drop at the in-process of traveling, reinforcing safety in utilization.

Drawings

Fig. 1 is a schematic structural view of a side surface of a tension ladder fixing frame of a fire fighting truck of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a first-level pull ladder 1, a second-level pull ladder 2, a third-level pull ladder 3, a device block 4, a holding groove 5, a frame 6, a roller 7, a rolling groove 8, a toothed plate 9, a rotating rod 10, a gear 11, a worm wheel 12 and a worm 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a ladder fixing frame of a fire engine comprises a first-stage ladder 1 and a second-stage ladder 2, tertiary ladder 3 and device piece 4 of drawing, one-level draws ladder 1 to include that two first montants and a plurality of equidistance fix the first horizontal pole between two first montants, second level draws ladder 2 to include that two second montants and a plurality of equidistance fix the second horizontal pole between two second montants, tertiary draw ladder 3 to include that two third montants and a plurality of equidistance fix the third horizontal pole between two third montants, adjacent first montant and second montant, be connected through slide mechanism between second montant and the third montant, slide mechanism is mutual sliding fit's slide rail and slider promptly, second level draws ladder 2 and tertiary lower extreme that draws ladder 3 all is provided with and is used for fixed locator card, the width that one-level drawn ladder 1 is greater than the width that second level drawn ladder 2, the width that second level drawn ladder 2 is greater than the width that tertiary draw ladder 3.

It should be noted that, the above-mentioned one-level extension ladder 1, the second-level extension ladder 2 and the third-level extension ladder 3 all belong to the inherent assembly of the three-level extension ladder, and it realizes sliding and stretching through the slide rail and the slide block, and realizes position fixing through the locator card, and are prior art, and are not described herein again.

The upper ends of the first cross rod, the second cross rod and the third cross rod are glued and fixed with anti-slip mats, so that the friction force between the first cross rod, the second cross rod, the third cross rod and the bottoms of the firefighters is increased, and slipping is avoided.

One side of device piece 4 is offered and is used for holding the one-level recess that the one-level was drawn terraced 1, a tertiary recess that is used for holding the second grade and draws terraced 2 and be used for holding tertiary terraced 3, the one-level recess, second grade recess and tertiary recess communicate each other and form holding tank 5 jointly, two downside open-ended frames 6 of the lower extreme symmetry fixedly connected with of third horizontal pole, gyro wheel 7 is installed to 6 internal rotations of frame, hold tank 5's inner diapire offer with gyro wheel 7 roll connection's slot rolling 8, through setting up gyro wheel 7 and slot rolling 8, reduce the one-level greatly and draw the frictional resistance between terraced 1 and the holding tank 5, it draws the position of terraced to shift the three section when also being convenient for use, and is more convenient to use, the one-level recess draws the.

Advancing mechanism is fixed with pinion rack 9 including fixing in one side that first horizontal pole was kept away from to first montant, the upper and lower inner wall equidistance of one-level recess rotates and is connected with a plurality of bull sticks 10, gear 11 has been cup jointed to the outer wall of bull stick 10 is fixed, and gear 11 is connected with the meshing of pinion rack 9, one side of bull stick 10 is equipped with actuating mechanism, actuating mechanism includes a plurality of fixed worm wheel 12 of cup jointing on bull stick 10, a plurality of worm wheel 12 mesh is connected with worm 13 jointly, one side inner wall of one-level recess inlays and is equipped with the motor, the one end fixed connection of motor and worm 13.

When holding tank 5 is put into to the three section extension ladder, make and be located gyro wheel 7 of the first horizontal pole below of head end and push in from the rolling slot 8, the motor drives worm 13 and rotates, worm 13 and then drives a plurality of worm wheels 12 and rather than the 11 low-speed rotations of gear of coaxial setting, gear 11 meshes pinion rack 9 gradually, drive pinion rack 9 and with pinion rack 9 fixed connection's three section extension ladder push holding tank 5 in, pull the ladder with the three section and release the principle and can obtain according to the principle of pushing.

The utility model discloses a set up subassembly such as worm wheel 12, worm 13, gear 11, pinion rack 9, because the one-way drive characteristic of worm 13 and worm wheel 12 realizes that the three section draws the ladder and can only just can pass in and out holding tank 5 under motor drive, under both resistance effects of pinion rack 9 and gear 11, can avoid the fire engine to take place the skew or drop at the in-process of traveling, reinforcing safety in utilization.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a fire engine draw ladder mount, includes that the one-level draws ladder (1), second grade to draw ladder (2), tertiary ladder (3) and device piece (4) of drawing, the one-level draws ladder (1) to include that two first montants and a plurality of equidistance fix the first horizontal pole between two first montants, the second grade draws ladder (2) to include that two second montants and a plurality of equidistance fix the second horizontal pole between two second montants, tertiary ladder (3) of drawing includes that two third montants and a plurality of equidistance fix the third horizontal pole between two third montants, and is adjacent first montant and second montant, second montant and third montant are connected through slide mechanism, the second grade draws ladder (2) and tertiary lower extreme of drawing ladder (3) all to be provided with and is used for fixed locator card, its characterized in that, one-level recess, the one-level recess that are used for holding one-level ladder (1) are seted up to one side of device piece (4), A tertiary recess for holding the second grade recess that the second grade was drawn ladder (2) and was used for holding tertiary ladder (3), one-level recess, second grade recess and tertiary recess form holding tank (5) jointly, two downside open-ended frames (6) of lower extreme symmetry fixedly connected with of third horizontal pole, gyro wheel (7) are installed to frame (6) internal rotation, inner diapire of holding tank (5) is seted up and is rolled slot (8) with gyro wheel (7) roll connection, the one-level recess is drawn the bilateral symmetry of ladder (1) at the one-level and is equipped with advancing mechanism.

2. The extension ladder fixing frame of a fire engine as claimed in claim 1, wherein the width of the primary extension ladder (1) is greater than that of the secondary extension ladder (2), and the width of the secondary extension ladder (2) is greater than that of the tertiary extension ladder (3).

3. The extension ladder fixing frame of the fire engine as claimed in claim 1, wherein the propelling mechanism comprises a toothed plate (9) fixed on one side of the first vertical rod far away from the first horizontal rod, a plurality of rotating rods (10) are connected to the upper inner wall and the lower inner wall of the primary groove in an equidistant rotating manner, a gear (11) is fixedly sleeved on the outer wall of each rotating rod (10), the gear (11) is meshed with the toothed plate (9), and a driving mechanism is arranged on one side of each rotating rod (10).

4. The extension ladder fixing frame of a fire engine as claimed in claim 3, wherein the driving mechanism comprises a plurality of worm gears (12) fixedly sleeved on the rotating rod (10), the worm gears (12) are jointly engaged and connected with a worm (13), a motor is embedded in one side inner wall of the primary groove, and the motor is fixedly connected with one end of the worm (13).

5. The extension ladder fixing frame of the fire engine as claimed in claim 1, wherein non-slip mats are glued and fixed to the upper ends of the first cross bar, the second cross bar and the third cross bar.

Images