CN216824592U

CN216824592U - Emergency rescue vehicle with folded crawling ladder

Info

Publication number: CN216824592U
Application number: CN202123157421.XU
Authority: CN
Inventors: 陶开明; 陶然; 王治军
Original assignee: MUDANJIANG SENTIAN SPECIAL VEHICLE REFITTING CO Ltd
Current assignee: MUDANJIANG SENTIAN SPECIAL VEHICLE REFITTING CO Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-28
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to an emergency rescue vehicle with a folded crawling ladder, which comprises an emergency rescue vehicle body (1), the rear portion of rescue car automobile body (1) is equipped with folding back cat ladder (2), folding back cat ladder (2) are by cat ladder body (3), go up folding leg (4), folding leg (5) down, it constitutes to articulate seat (6) and articulated seat (7) down, it installs respectively on rescue car automobile body (1) rear portion lateral wall one on the other with articulated seat (7) down to go up articulated seat (6), it articulates with last articulated seat (6) to go up folding leg (4) front portion, the rear portion is articulated mutually with cat ladder body (3), folding leg (5) front portion is articulated mutually with articulated seat (7) down, the rear portion is articulated mutually with cat ladder body (3), one side of folding leg (5) left and right directions is equipped with locker (8) down, be equipped with locking hole (33) on a longeron (31) of cat ladder body (3). It is more convenient for fire fighters to climb on the top of the fire fighting truck, and is favorable for improving the fire fighting operation speed.

Description

Emergency rescue vehicle with folded crawling ladder

Technical Field

The utility model relates to a fire engine, concretely relates to rescue car of speedily carrying out rescue work with folding back cat ladder.

Background

In order to facilitate climbing to an emergency rescue fire truck for fire-fighting operation or taking equipment arranged at the top of the fire truck, the emergency rescue fire truck is generally provided with a rear ladder for climbing the roof from the rear part of the fire truck. The rear crawling ladder of the existing emergency rescue fire truck is fixedly installed on the fire truck, the installation position is higher, the climbing is not convenient, the using effect is not good enough, and the improvement of the fire-fighting operation speed is not facilitated.

Disclosure of Invention

The utility model aims at providing a fire engine personnel are more convenient for climb the fire engine roof, are favorable to improving the rescue fire engine that speedily carries out rescue work that is equipped with folding back cat ladder of fire-fighting operation speed.

The technical solution of the utility model is that: the foldable ladder stand comprises a rescue vehicle body, wherein a foldable ladder stand is arranged at the rear part of the rescue vehicle body and comprises a ladder stand body, an upper folding frame, a lower folding frame, an upper hinged seat and a lower hinged seat, the ladder stand body comprises two longitudinal beams and a plurality of cross beams connected between the two longitudinal beams, the upper hinged seat and the lower hinged seat are respectively arranged on the side wall of the rear part of the rescue vehicle body one above the other, the left side and the right side of the front part of the upper folding frame are respectively hinged with the upper hinged seat, the left side and the right side of the rear part of the upper folding frame are respectively hinged with the left and the right opposite positions of the middle upper part and the right upper part of the two longitudinal beams of the ladder stand body, the left side and the right side of the front part of the lower folding frame are respectively hinged with the lower hinged seats, the left side and the right side of the rear part of the lower folding frame are respectively hinged with the left and the left opposite positions of the middle lower parts and the middle lower parts of the two longitudinal beams of the ladder stand body 3, one side of the lower folding frame in the left and right direction is provided with a locking device for locking the ladder stand body when the ladder stand body is folded upwards on the rescue vehicle body, a longitudinal beam of the ladder stand body is provided with a locking hole matched with the locking device.

The technical effects of the utility model are that: it is more convenient for fire fighters to climb on the top of the fire fighting truck, and is favorable for improving the fire fighting operation speed. This back cat ladder is folding and locking when not using on the fire engine, and its lower part position is higher, can not influence the normal current of fire engine. When in use, the ladder stand can be pulled down from the fire engine to reduce the position, so that the fire fighter can climb to use. This folding back cat ladder is fixed firm on the fire engine, both is convenient for open and fold on the fire engine, and the structure is firm reliable, and the safety in utilization is guaranteed. This folding back cat ladder convenient to use, it is with low costs, for the fire fighter convenient, quick, safe climb on the fire engine roof operation fire gun and take the roof equipment and provide reliable guarantee.

Drawings

FIG. 1 is a perspective view of the embodiment of the present invention;

fig. 2 is a folding rear ladder stand three-dimensional structure diagram of the embodiment of the utility model.

Detailed Description

As shown in the figures 1 and 2, the folding ladder stand comprises a rescue vehicle body 1, a folding ladder stand 2 is arranged at the rear part of the rescue vehicle body 1, the folding ladder stand 2 comprises a ladder stand body 3, an upper folding frame 4, a lower folding frame 5, an upper hinging seat 6 and a lower hinging seat 7, the ladder stand body 3 comprises two longitudinal beams 31 and a plurality of cross beams 32 connected between the two longitudinal beams 31, the upper hinging seat 6 and the lower hinging seat 7 are respectively arranged on the side wall at the rear part of the rescue vehicle body 1 from top to bottom, the left side and the right side of the front part of the upper folding frame 4 are respectively hinged with the upper hinging seat 6, the left side and the right side of the rear part are respectively hinged with the left and the right opposite positions of the middle upper parts and the left parts of the two longitudinal beams 31 of the ladder stand body 3, the left side and the right side of the front part of the lower folding frame 5 are respectively hinged with the lower hinging seat 7, the left side and the right side of the rear part are respectively hinged with the left and the left opposite positions of the middle and the left parts of the middle lower parts of the two longitudinal beams 31 of the ladder stand body 3, one side of the left and right direction of the lower folding leg 5 is provided with a locking device 8 for locking the ladder body 3 when the ladder body 3 is folded upwards on the rescue vehicle body 1, and one longitudinal beam 31 of the ladder body 3 is provided with a locking hole 33 matched with the locking device 8.

The locking device 8 is composed of an outer sleeve 81, a locking rod 82 and a pressure spring, the outer sleeve 81 is arranged at the middle position of one side of the lower folding leg 5 in the left and right direction, the locking rod 82 is sleeved in the outer sleeve 81 and is matched with the outer sleeve 81 in an axial sliding way, the front end of the locking rod 82 is exposed out of the outer sleeve 81 and is matched with a locking hole 33 arranged on one longitudinal beam 31 of the ladder stand body 3, a handle 83 is transversely arranged with the rear end exposed outside the outer sleeve 81, a pressure spring is arranged in the outer sleeve 81 and is sleeved on the locking rod 82, the rear end of the pressure spring is matched with the inner end surface of the outer sleeve 81, the front end of the pressure spring is matched with the rear end surface of the outer flange on the locking rod 82, so that the locking rod 82 is kept in a forward ejection state, the matched end of the outer sleeve 81 and the handle 83 is an inclined end surface inclined to the axial direction of the outer sleeve 81, the high point position of the inclined end surface of the outer sleeve 81 is provided with a clamping groove matched with the root of the handle 83, and the locking rod 82 is clamped when the handle 83 is manually turned to retreat.

The upper folding frame 4 is composed of an upper connecting plate 41, and a left upper folding rod 42 and a right upper folding rod 43 which are respectively arranged at the left side and the right side of the upper connecting plate 41, the front ends of the left upper folding rod 42 and the right upper folding rod 43 are respectively hinged with the left side longitudinal beam 31 and the right side longitudinal beam 31 of the ladder stand body 3, and the rear ends are respectively hinged with the left side and the right side of the upper hinge seat 6.

The lower folding frame 5 is composed of a lower connecting plate 51, a left lower folding rod 52 and a right lower folding rod 53 which are respectively arranged at the left side and the right side of the lower connecting plate 51, the front ends of the left lower folding rod 52 and the right lower folding rod 53 are respectively hinged with the left side longitudinal beam 31 and the right side longitudinal beam 31 of the ladder body 3, and the rear ends are respectively hinged with the left side and the right side of the lower hinge seat 7.

The lock 8 is installed at a middle position of the left lower folding bar 52 or the right lower folding bar 53.

The locking hole 33 is provided in the left or right side member 31 below the hinge position of the lower folding leg 5 and the ladder body 3.

The middle part of the upper hinged seat 6 is provided with an upper mounting plate 61, the two ends of the upper mounting plate 61 are respectively bent in the direction away from the emergency rescue vehicle body 1 to form upper hinged lugs 62 which are hinged and matched with the upper folding leg 4, and the lower sides of the two upper hinged lugs 62 are respectively provided with an arch 63 which can support and limit the upper folding leg 4. The middle part of the upper mounting plate 61 and the positions close to the two upper hinge lugs 62 are respectively mounted on the emergency rescue vehicle body 1 through bolts 9, the upper sides of the two bows 63 are respectively connected with the upper mounting plate 61 into a whole, and the lower sides of the two bows are respectively mounted on the emergency rescue vehicle body 1 through bolts 9.

The middle part of the lower hinged seat 7 is a lower mounting plate 71, and two ends of the lower mounting plate 71 are respectively bent transversely towards the direction far away from the rescue vehicle body 1 to form lower hinged lugs 72 which are hinged and matched with the lower folding leg 5. The middle part of the lower mounting plate 71 and the positions close to the two lower hinge lugs 72 are respectively mounted on the emergency rescue vehicle body 1 through bolts 9.

The ladder body 3 is provided with a plurality of anti-slip protrusions 34 on the upper side surface of each cross beam 32.

The anti-slip protrusions 34 are rubber blocks mounted on the upper side surface of the cross member 32 and protruding out of the upper side surface, respectively.

The use principle is as follows: when the rear ladder stand is not used, the ladder stand body 3 is pushed upwards to the rescue vehicle body 1, the handle 83 of the locking device 8 is rotated, the front end of the locking rod 82 extends out of the outer sleeve 81 and is inserted into the locking hole 33 on the ladder stand body 3, and therefore the ladder stand body 3 is reliably fixed on the rescue vehicle body 1 in a folding mode. When the rear ladder is used, a firefighter turns the handle 83 of the lock 8 under the vehicle to retract the front end of the lock lever 82 into the outer sheath 81, thereby releasing the locking action on the ladder body 3 and pulling the ladder body 3 open rearward and downward. When the left upper folding rod 42 and the right upper folding rod 43 on the left side and the right side of the upper folding leg 4 are lapped on the two bows 63 on the upper hinge seat 6, the ladder stand body 3 is supported and limited, and is completely opened, so that the firefighters can climb up and down. After the ladder stand body 3 is used, the ladder stand body 3 is folded on the rescue vehicle body 1, and the ladder stand body 3 is locked by the locking device 8, so that the ladder stand body 3 is prevented from being opened accidentally under the action of gravity and vehicle bump.

Claims

1. Rescue car of speedily carrying out rescue work with folding back cat ladder, it includes rescue car automobile body (1), its characterized in that: the rear part of a rescue vehicle body (1) is provided with a folded crawling ladder (2), the folded crawling ladder (2) consists of a crawling ladder body (3), an upper folding frame (4), a lower folding frame (5), an upper hinged seat (6) and a lower hinged seat (7), the crawling ladder body (3) consists of two longitudinal beams (31) and a plurality of cross beams (32) connected between the two longitudinal beams (31), the upper hinged seat (6) and the lower hinged seat (7) are respectively arranged on the side wall of the rear part of the rescue vehicle body (1) one above the other, the left side and the right side of the front part of the upper folding frame (4) are respectively hinged with the upper hinged seat (6), the left side and the right side of the rear part are respectively hinged with the left and the right opposite positions of the middle upper parts and the left parts of the two longitudinal beams (31) of the crawling ladder body (3), the left side and the right side of the front part of the lower folding frame (5) are respectively hinged with the lower hinged seat (7), the left side and the right side of the rear part are respectively hinged with the left and the left opposite positions of the middle lower parts of the two longitudinal beams (31) of the crawling ladder body (3), one side of the left and right directions of the lower folding frame (5) is provided with a locking device (8) for locking the ladder body (3) when the ladder body (3) is folded upwards on the rescue vehicle body (1), and a longitudinal beam (31) of the ladder body (3) is provided with a locking hole (33) matched with the locking device (8).

2. The rescue vehicle with the folded ladder stand according to claim 1, characterized in that the locking device (8) is composed of an outer sleeve (81), a locking rod (82) and a pressure spring, the outer sleeve (81) is installed at the middle position of one side of the lower folding frame (5) in the left and right direction, the locking rod (82) is sleeved in the outer sleeve (81) and is matched with the outer sleeve (81) in an axial sliding way, the front end of the locking rod (82) is exposed out of the outer sleeve (81) and is matched with a locking hole (33) arranged on one longitudinal beam (31) of the ladder stand body (3), a handle (83) is transversely arranged at the rear end of the locking rod (81) exposed out of the outer sleeve (81), the pressure spring is arranged in the outer sleeve (81) and is arranged on the locking rod (82), the rear end of the pressure spring is matched with the inner end surface of the outer sleeve (81), the front end of the pressure spring is matched with the rear end surface of the outer flange on the locking rod (82), so that the locking rod (82) is kept in a forward pop-up state, one end of the outer sleeve (81) matched with the handle (83) is an inclined end face inclined to the axial direction of the outer sleeve (81), a high point position of the inclined end face of the outer sleeve (81) is provided with a clamping groove matched with the root of the handle (83), and the locking rod (82) is clamped when the handle (83) is pulled manually to enable the locking rod (82) to retreat.

3. The rescue vehicle with the folded ladder stand according to claim 1, wherein the upper folding frame (4) is composed of an upper connecting plate (41) and a left upper folding rod (42) and a right upper folding rod (43) respectively arranged at the left and right sides of the upper connecting plate (41), the front ends of the left upper folding rod (42) and the right upper folding rod (43) are respectively hinged with the left and right longitudinal beams (31) of the ladder stand body (3), and the rear ends are respectively hinged with the left and right sides of the upper hinged seat (6).

4. The rescue vehicle with a folded ladder stand according to claim 1, wherein the lower folding frame (5) is composed of a lower connecting plate (51), a left lower folding rod (52) and a right lower folding rod (53) which are respectively arranged at the left and the right sides of the lower connecting plate (51), the front ends of the left lower folding rod (52) and the right lower folding rod (53) are respectively hinged with the left side longitudinal beam (31) and the right side longitudinal beam (31) of the ladder stand body (3), and the rear ends are respectively hinged with the left and the right sides of the lower hinged seat (7).

5. The rescue vehicle with a folded ladder stand according to claim 4, characterized in that the lock (8) is installed at the middle position of the left lower folding rod (52) or the right lower folding rod (53).

6. The rescue vehicle with a folded ladder stand according to claim 1, characterized in that the locking hole (33) is arranged on the left or right side rail (31) below the hinged position of the lower folding leg (5) and the ladder stand body (3).

7. The rescue vehicle with the folded ladder stand according to claim 1, wherein the middle of the upper hinge seat (6) is an upper mounting plate (61), two ends of the upper mounting plate (61) are respectively bent transversely to the direction away from the vehicle body (1) of the rescue vehicle to form upper hinge lugs (62) which are in hinge fit with the upper folding frame (4), and the lower sides of the two upper hinge lugs (62) are respectively provided with a bow (63) which plays a supporting and limiting role for the upper folding frame (4).

8. The rescue vehicle with the folded ladder stand according to claim 7, wherein the middle part of the upper mounting plate (61) and the positions close to the two upper hinge lugs (62) are respectively mounted on the rescue vehicle body (1) through bolts (9), the upper sides of the two bows (63) are respectively connected with the upper mounting plate (61) into a whole, and the lower sides of the two bows are respectively mounted on the rescue vehicle body (1) through bolts (9).

9. The emergency rescue vehicle with the folded crawling ladder according to claim 1, wherein the lower mounting plate (71) is arranged in the middle of the lower hinge seat (7), two ends of the lower mounting plate (71) are respectively bent transversely in a direction away from the vehicle body (1) of the emergency rescue vehicle to form lower hinge lugs (72) which are in hinge fit with the lower folding frame (5), and the middle of the lower mounting plate (71) and positions close to the two lower hinge lugs (72) are respectively mounted on the vehicle body (1) of the emergency rescue vehicle through bolts (9).

10. The rescue vehicle with the folded ladder stand according to claim 1, wherein the ladder stand body (3) is provided with a plurality of anti-slip protrusions (34) on the upper side of each cross beam (32), and each anti-slip protrusion (34) is a rubber block which is arranged on the upper side of the cross beam (32) and protrudes out of the upper side.