CN215590614U

CN215590614U - Storage type equipment box approaching device and fire fighting truck

Info

Publication number: CN215590614U
Application number: CN202121157793.XU
Authority: CN
Inventors: 孙雅心; 张建华; 赵阳光; 赵薇; 宋艳群
Original assignee: XCMG Fire Fighting Safety Equipment Co Ltd
Current assignee: XCMG Fire Fighting Safety Equipment Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-21
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a storage type equipment box approaching device and a fire engine, wherein the storage type equipment box approaching device comprises a track, a slide rail, a connecting plate and a ladder stand; the track is fixed in the bottom of the equipment box, the slide rail is slidably mounted on the track, the crawling ladder is mounted on the slide rail through a connecting plate, the locking buckle is mounted on the crawling ladder, and the crawling ladder is rotatably mounted on the connecting plate to be unfolded or stored. The accommodating type equipment box approaching device disclosed by the utility model adopts the sliding guide rail mechanism and the hinge mechanism, ensures that the device has the minimum outline size in a folded state, is accommodated and fixed in a space with the height of 0.2m at the bottom of the equipment box, and fire rescue equipment can be arranged in the rest spaces as required, so that the internal space of the equipment box is effectively saved, the space utilization rate of the equipment box is improved, and the problem that when the equipment box is arranged at a high position, an operator is not easy to approach is solved.

Description

Storage type equipment box approaching device and fire fighting truck

Technical Field

The utility model relates to a storage type equipment box approaching device and a fire fighting truck, and belongs to the field of fire fighting trucks.

Background

The equipment box of the fire engine is usually arranged above a crossbeam and a subframe of a chassis, and the ground clearance of the bottom surface of the equipment box is more than 1.65 m. According to ergonomics, the maximum operating height of an adult male is 1.95m, namely, under the condition that no turning pedal and other vehicle-on approaching devices exist, a firefighter can only touch the space within the range of 0.3m below the equipment box on the ground and cannot enter the internal space of the equipment box to execute equipment taking, placing and overhauling operation, and two thirds of the upper space of the firefighter cannot touch the space to form dead corners, so that the space of the equipment box is wasted.

At present, there is the producer at the inboard assembly upset cat ladder device of equipment case side door, including one-level cat ladder and second grade cat ladder, when the fire engine was in user state, operating personnel can be by ground one step on the second grade cat ladder, climbs to needs highly via one-level cat ladder footboard, carries out getting of fire rescue equipment and puts, fixes, overhauls the operation. The device is arranged in equipment chamber door frame inboard in the vertical direction when accomodating the state, occupies equipment case outside space, leads to this space can't arrange fire control and rescue equipment. In addition, the main structure of the device is made of stainless steel, so that the rust and corrosion prevention effect is good, but the whole weight is heavy, and the operation is laborious.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a storage type equipment box approaching device and a fire engine, which are small in occupied space, light in weight and convenient to operate.

In order to achieve the purpose, the utility model adopts a storage type equipment box approaching device which comprises a track, a slide rail, a connecting plate and a ladder stand;

the track is fixed in the bottom of the equipment box, the slide rail is slidably mounted on the track, the crawling ladder is mounted on the slide rail through a connecting plate, the locking buckle is mounted on the crawling ladder, and the crawling ladder is rotatably mounted on the connecting plate to be unfolded or stored.

As an improvement, the rail is fastened to the bottom of the equipment box through a mounting plate.

As an improvement, the slide rail comprises a plurality of stages of slide rails, and the adjacent slide rails at all stages are in sliding fit.

As an improvement, the number of the connecting plates is two, a supporting plate is arranged between the two connecting plates, and a secondary locking buckle is arranged on one connecting plate.

As an improvement, the ladder stand comprises a rotating plate which is rotatably arranged on a connecting plate, a first-section ladder which is connected with the rotating plate, and a second-section ladder, a third-section ladder, a fourth-section ladder, a fifth-section ladder and a sixth-section ladder which are sequentially nested with the first-section ladder;

three-stage lock catches are arranged at two ends of the ladder steps on the first-section ladder, the second-section ladder, the third-section ladder, the fourth-section ladder, the fifth-section ladder and the sixth-section ladder.

As an improvement, the rotating plate is arranged on the connecting plate through a pin shaft.

As an improvement, a handle is arranged on the ladder stand.

As an improvement, the ladder stand is made of aluminum alloy sections.

In addition, the utility model also provides a fire fighting truck, and the accommodating type equipment box approaching device is installed on the fire fighting truck.

Compared with the prior art, the accommodating type equipment box approaching device disclosed by the utility model adopts the sliding guide rail mechanism and the hinge mechanism, the minimum outline size of the device in a folded state is ensured, the device is accommodated and fixed in a space with the height of 0.2m at the bottom of the equipment box, and fire rescue equipment can be arranged in other spaces as required, so that the internal space of the equipment box is effectively saved, the space utilization rate of the equipment box is improved, and the problem that when the equipment box is arranged at a high position, an operator is not easy to approach is solved.

Drawings

FIG. 1 is a schematic view of the storage locked state of the present invention;

FIG. 2 is a schematic view of the present invention in a laterally expanded state;

FIG. 3 is a schematic diagram of the utility model in a flipped state;

FIG. 4 is a schematic view of the present invention in a fully deployed state;

in the figure: 1. one-level locking buckle, 2, a rail, 3, a sliding rail, 31, one-level sliding rail, 32, two-level sliding rail, 4, a connecting plate, 41, a supporting plate, 42, two-level locking buckle, 5, a ladder stand, 51, a rotating plate, 52, a ladder section, 53, a ladder section, 54, a ladder section, 55, a ladder section, 56, a ladder section, 57, a ladder section, 58, a ladder section, 59, a three-level locking buckle, 6, a handle, 7, a mounting plate, 8 and a pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

As shown in fig. 1, 2, 3 and 4, a stowable equipment box approaching device includes a rail 2, a slide rail 3, a connecting plate 4 and a ladder 5;

track 2 is fixed in the equipment bottom of the case portion, and 3 slidable mounting of slide rail are on track 2, install through connecting plate 4 on the slide rail 3 cat ladder 5 is installed on cat ladder 5 and is locked and detain, and cat ladder 5 rotates to be installed and expandes or accomodate the locking on connecting plate 4.

As a modification of the embodiment, the rail 2 is fastened to the bottom of the equipment box through a mounting plate 7, and the structure is stable.

As an improvement of the embodiment, the slide rail 3 includes a plurality of stages of slide rails, and the adjacent slide rails of each stage are in sliding fit with each other. In this embodiment, slide rail 3 includes one-level slide rail 31, second grade slide rail 32, and wherein one-level slide rail 31 slidable mounting is on track 2, and second grade slide rail 32 slidable mounting is on one-level slide rail 31, and it is more convenient that whole slides, and the pull of the cat ladder 5 of being convenient for removes.

As a modification of the embodiment, the number of the connecting plates 4 is two, the two connecting plates 4 are respectively mounted on the two secondary slide rails 32, a supporting plate 41 is mounted between the two connecting plates 4, and a secondary locking buckle 42 is mounted on one of the connecting plates 4. The secondary locking catches 42 are used for locking the slide rails 3 when the ladder is in a fully unfolded state, and limiting the extension and contraction of the slide rails in the horizontal direction.

As a modification of the embodiment, the ladder 5 comprises a rotating plate 51 rotatably mounted on the connecting plate 4, a first ladder 52 connected with the rotating plate 51, a second ladder 53, a third ladder 54, a fourth ladder 55, a fifth ladder 56 and a sixth ladder 57;

the first-section ladder 52, the second-section ladder 53, the third-section ladder 54, the fourth-section ladder 55, the fifth-section ladder 56 and the sixth-section ladder 57 are sequentially nested; the rotating plate 51 is provided with a primary locking buckle 1 and a handle 6, and the primary locking buckle 1 is used for locking the sliding rail 3 when the ladder stand 5 is in a folded state and limiting the contraction of the sliding rail in the horizontal direction; three-stage locking buckles 59 are mounted at two ends of the ladder steps 58 on each section of ladder, and the three-stage locking buckles 59 lock the unfolding and the storage states of each section of ladder. The approach device of the storage type equipment box adopts a triple locking structure, and can effectively ensure that the device is effectively locked in the storage and use states.

As an improvement of the embodiment, the rotating plate 51 is arranged on the connecting plate 4 through a pin shaft 8, so that the use is more convenient.

As a modification of the embodiment, the ladder stand 5 is made of an aluminum alloy section. The density of aluminum alloy ex-trusions is about the third of carbon steel material, makes the device total weight reduce to half of prior art device weight, and the light operation, and the weight of its saving can be used for increasing the fire engine fluid reservoir volume of carrying liquid, promotes the fire engine fire behavior.

Finally, the utility model also provides a fire fighting truck, wherein the accommodating type equipment box approaching device is installed on the fire fighting truck.

As shown in fig. 1, when the device is in a storage locking state, the six-section ladder 57 of the ladder stand 5 is correspondingly placed on the support plate 41, when the device is used, the locking of the primary locking buckle 1 is released, the handle 6 is pulled in the arrow direction of fig. 1, the primary slide rail 31 and the secondary slide rail 32 are sequentially slid to be in a spreading state, and then the ladder stand 5 is rotated 270 degrees along the axial direction of the pin shaft 8 as shown in the arrow direction of fig. 2 until the ladder stand 5 is vertical to the ground as shown in fig. 3; the ladder 5 is horizontally pushed to a proper position along the rail 2 through the slide rail 3 (the position of the ladder 5 is ensured to meet the use requirement), the two-stage locking buckle 42 in the connecting plate 4 is locked with the rail 2, then the three-stage locking buckles 59 of all the ladders are respectively released, so that the locking and pulling of the first, second, third, fourth, fifth and sixth ladders are released, each ladder section is pulled to be in contact with the ground, and meanwhile, the ladder 5 is rotated to form an included angle of 115 degrees with the ground along the axial direction of the pin shaft 8, as shown in fig. 4. At this moment, an operator can sequentially step on the six-section ladder 57, the five-section ladder 56, the four-section ladder 55, the three-section ladder 54, the two-section ladder 53 and the one-section ladder 52 to climb to a required height, and the fire rescue equipment is taken, put, fixed and overhauled.

After the use, the approaching device is retracted and folded to a locking and accommodating state according to the reverse sequence.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A storage type equipment box approaching device is characterized by comprising a track (2), a sliding rail (3), a connecting plate (4) and a ladder stand (5);

track (2) are fixed in the equipment bottom of the case portion, and slide rail (3) slidable mounting is on track (2), installs through connecting plate (4) on slide rail (3) cat ladder (5) are installed on cat ladder (5) and are locked and detained, and cat ladder (5) rotate to be installed and expand or accomodate the locking on connecting plate (4).

2. A stowable equipment box access arrangement according to claim 1, characterised in that the track (2) is secured to the equipment box base by a mounting plate (7).

3. A storage equipment bin access arrangement according to claim 1, wherein the slide (3) comprises a plurality of stages of slides with sliding engagement between adjacent stages of slides.

4. A storage equipment box access device according to claim 1, wherein the connecting plates (4) are two, a support plate (41) is arranged between the two connecting plates (4), and a secondary locking buckle (42) is arranged on one connecting plate (4).

5. A storage equipment box access device according to claim 1, wherein the ladder (5) comprises a rotating plate (51) rotatably mounted on the connecting plate (4), a first ladder (52) connected with the rotating plate (51), and a second ladder (53), a third ladder (54), a fourth ladder (55), a fifth ladder (56) and a sixth ladder (57) which are nested with the first ladder (52) in sequence;

three-stage lock catches (59) are arranged at two ends of ladder steps (58) on the first-section ladder (52), the second-section ladder (53), the third-section ladder (54), the fourth-section ladder (55), the fifth-section ladder (56) and the sixth-section ladder (57).

6. A stowable equipment box access arrangement according to claim 5, characterised in that the swivel plate (51) is mounted on the connecting plate (4) by a pin (8).

7. A storage equipment box access arrangement according to claim 1, characterised in that a handle (6) is mounted on the ladder (5).

8. Equipment storage bin access arrangement according to claim 1, characterised in that the ladder (5) is of aluminium alloy section.

9. A fire fighting vehicle, characterized in that the stowable equipment box access device of any one of claims 1-8 is mounted on the fire fighting vehicle.