CN215711614U

CN215711614U - Folding rotary operation arm for climbing platform fire truck

Info

Publication number: CN215711614U
Application number: CN202122169142.9U
Authority: CN
Inventors: 李祥啟; 李文明
Original assignee: Dayang Parking Co Ltd
Current assignee: Dayang Parking Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The embodiment of the utility model discloses a folding rotary working arm for a climbing platform fire engine, which belongs to the technical field of fire fighting and rescue equipment and comprises a first fixed support arranged on a rotary platform, wherein one end of the first fixed support is connected with a second fixed support, the other end of the first fixed support is provided with a first opening, a first sliding support driven by a first power mechanism is arranged in the first fixed support in a sliding manner, one end of the first sliding support, which extends out of the first opening, is provided with a balance weight, one end of the second fixed support, which is far away from the first fixed support, is provided with a second opening, a second sliding support driven by a second power mechanism is arranged in the second fixed support in a sliding manner, and one end of the second sliding support, which extends out of the second opening, is provided with a working bucket. The utility model solves the technical problem that the rescue distance is limited due to the small turning radius of the traditional working bucket, and is widely applied to high-altitude fire fighting or rescue.

Description

Folding rotary operation arm for climbing platform fire truck

Technical Field

The embodiment of the utility model relates to the technical field of fire fighting and rescue equipment, in particular to a folding rotary working arm for a fire truck with an ascending platform.

Background

With the increase of high-rise buildings, the building height of the high-rise buildings is far greater than the lifting height of a fire rescue vehicle, for example, the maximum rescue height of the highest high-altitude rescue fire truck in the world is 112 meters, and can only reach the height of 33 floors, but many high-rise buildings exceeding 33 floors are provided, and high-altitude fire accidents frequently occurring in recent years are also more and more concerned by the public.

At present, the rotary platform of the high-altitude rescue fire truck is arranged on a chassis of an automobile at the bottom of a main telescopic arm, a working bucket is positioned at the top end of the main telescopic arm, the rescue position is searched through the rotation of the rotary platform at the bottom, the required rotary momentum of the rotary platform is too large, more than 50 tons is generally needed, the energy consumption is high, and the rotary speed is low. The existing high-altitude rescue vehicle is mostly in a crank arm structure, and after the high-altitude rescue vehicle extends to a large height, the turning radius of a working bucket is small, so that the rescue distance is limited.

Therefore, in the technical field of fire fighting and rescue equipment, the need of research and improvement still exists for the folding rotary working arm for the elevating platform fire truck, which is also a research focus and a focus in the technical field of fire fighting and rescue equipment at present and is a starting point of the completion of the utility model.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a folding rotary working arm for a fire truck of an ascending platform, which aims to solve the technical problem that the rescue distance is limited due to the small rotary radius of the existing working bucket.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to the embodiment of the utility model, the folding rotary operation arm for the firefighting truck with the ascending platform comprises a first fixing support arranged on the rotary platform, one end of the first fixing support is connected with a second fixing support, the other end of the first fixing support is provided with a first opening, a first sliding support driven by a first power mechanism is arranged in the first fixing support in a sliding mode, one end, extending out of the first opening, of the first sliding support is provided with a balance weight, one end, far away from the first fixing support, of the second fixing support is provided with a second opening, a second sliding support driven by a second power mechanism is arranged in the second fixing support in a sliding mode, and one end, extending out of the second opening, of the second sliding support is provided with a working bucket.

Furthermore, the second fixing support is hinged to the first fixing support through a hinge shaft, and a positioning pin driven by a third power mechanism is arranged between the second fixing support and the first fixing support.

Furthermore, a supporting arm is fixedly mounted at one end, close to the second fixing support, of the first fixing support, a supporting rope wheel is rotatably mounted on the supporting arm, a hoisting mechanism is arranged at a position, close to the first opening, of the first fixing support, a hoisting arm is arranged on the second fixing support, and hoisting steel wire ropes are arranged among the hoisting mechanism, the supporting rope wheel and the hoisting arm.

Furthermore, one end, far away from the hoisting point of the hoisting steel wire rope, of the hoisting arm is hinged to the second fixed support.

Furthermore, a first limiting block used for limiting the vertical position of the hoisting arm is arranged on the second fixing support, and a second limiting block used for limiting the hoisting point of the hoisting arm to be lower than the outer plane of the second fixing support is arranged on the second fixing support.

The embodiment of the utility model has the following advantages:

(1) the rotary platform is arranged at the top end of the vertical telescopic arm, the rotary momentum is only hundreds of kilograms, the rotary platform can be driven to rotate by a low-power motor, the energy consumption is greatly reduced, the rotary speed is greatly improved, the working bucket is arranged on the second sliding support, the angle position and the extending length of the working bucket can be adjusted according to a rescue target, the rotary radius of the working bucket is large, the rescue radius is increased, and the application range of the utility model is expanded.

(2) Because the second fixed bolster passes through the articulated installation of articulated shaft on first fixed bolster for the upset can be realized around the articulated shaft to the second fixed bolster, thereby realizes folding transportation, has reduced the space and has occupy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of a folded transport state of an embodiment of the present invention;

in the figure: 1. the rotary platform comprises a rotary platform body, 2, a first fixed support, 3, a first sliding support, 4, a counterweight, 5, a first motor, 6, a first driving sprocket, 7, a first driven sprocket, 8, a first chain, 9, a second motor, 10, a second driving sprocket, 11, a second driven sprocket, 12, a second chain, 13, a second fixed support, 14, a second sliding support, 15, an articulated shaft, 16, a positioning pin, 17, a supporting arm, 18, a supporting rope wheel, 19, a hoisting mechanism, 20, a hoisting arm, 21, a hoisting steel wire rope, 22, a first limiting block, 23, a second limiting block, 24, a working bucket, 25, a second connecting plate, 26, a vertical telescopic arm, 27 and an automobile.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present specification, the terms "front", "rear", "left", "right" and "middle" are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1, an embodiment of the utility model provides a folding rotary working arm for a climbing platform fire engine, which comprises a first fixed support 2 installed on a rotary platform 1, wherein the rotary platform 1 is installed at the top end of a vertical lifting telescopic arm, one end of the first fixed support 2 is connected with a second fixed support 13, the other end of the first fixed support is provided with a first opening, a first sliding support 3 driven by a first power mechanism is installed in the first fixed support 2 in a sliding manner, one end of the first sliding support 3, which extends out of the first opening, is provided with a balance weight 4, one end of the second fixed support 13, which is far away from the first fixed support 2, is provided with a second opening, a second sliding support 14 driven by a second power mechanism is installed in the second fixed support 13 in a sliding manner, one end of the second sliding support 14, which extends out of the second opening, is provided with a working bucket 24, and the first fixed support 2 and the second fixed support 13 are both in a square tubular structure, the first sliding support 3 and the second sliding support 14 are also welded to form a square tubular structure, and the cross-sectional shape of the square tubular structure is matched with the internal cross-sectional shape of the corresponding first fixing support 2 and the second fixing support 13.

First power unit is including rotating the first drive sprocket 6 of installing by first motor 5 drive on first fixed bolster 2, first drive sprocket 6 is located and is close to second fixed bolster 13 one end, rotate the first driven sprocket 7 of installing at the 2 other ends of first fixed bolster, first driven sprocket 7 is close to first open position, it has first chain 8 to encircle between first drive sprocket 6 and the first driven sprocket 7, fixed mounting has first connecting plate on the first chain 8, first connecting plate one end is fixed in on first chain 8, the other end is fixed in on first sliding support 3, through the positive and negative rotation of first motor 5, drive first sliding support 3 reciprocating sliding, thereby realize counter weight 4's removal, reach the purpose of balanced work fill 24. Of course, a pulley and slide rail assembly can be arranged between the first fixing support 2 and the first sliding support 3 to satisfy the effect of smoother sliding.

As shown in fig. 1 and 2, the second power mechanism includes a second driving sprocket 10 rotatably mounted on the second fixing bracket 13 and driven by a second motor 9, the second driving sprocket 10 is located at one end close to the first fixing bracket 2, a second driven sprocket 11 rotatably mounted at the other end of the second fixing bracket 13, the second driven sprocket 11 is close to the second open position, a second chain 12 is looped between the second driving sprocket 10 and the second driven sprocket 11, a second connecting plate 25 is fixedly mounted on the second chain 12, one end of the second connecting plate 25 is fixed on the second chain 12, and the other end is fixed on the second sliding bracket 14, and the second driving bracket 14 is driven to slide back and forth through the forward and reverse rotation of the second motor 9, so as to move the working bucket 24 and achieve the purpose of approaching the rescue target. Of course, a pulley and slide rail assembly may be disposed between the second fixing bracket 13 and the second sliding bracket 14 to satisfy the effect of smoother sliding.

Second fixed bolster 13 passes through articulated shaft 15 and articulates and installs on first fixed bolster 2 for second fixed bolster 13 can realize the upset around articulated shaft 15, thereby realize folding transportation, the space occupation has been reduced, be equipped with between second fixed bolster 13 and the first fixed bolster 2 by third power unit driven locating pin 16, in normal work, locating pin 16 links together first fixed bolster 2 and second fixed bolster 13, third power unit is the cylinder usually, pneumatic cylinder or electric putter.

A supporting arm 17 is fixedly arranged at one end of the first fixed bracket 2 close to the second fixed bracket 13, a supporting rope wheel 18 is rotatably arranged on the supporting arm 17, the supporting rope wheel 18 protrudes out of the outer plane of the second fixed bracket 13, a hoisting mechanism 19 is arranged at the position of the first fixed bracket 2 close to the first opening, a hoisting arm 20 is arranged on the second fixed bracket 13, a hoisting point of the hoisting arm 20 protrudes out of the outer plane of the second fixed bracket 13 and is lower than the supporting rope wheel 18, a hoisting steel wire rope 21 is arranged among the hoisting mechanism 19, the supporting rope wheel 18 and the hoisting arm 20, one end of the hoisting steel wire rope 21 is fixed on the hoisting mechanism 19, the other end is fixed on the hoisting point of the hoisting arm 20 after tightly winding the supporting rope wheel 18, under the action of hoisting power, the second fixed bracket 13 is gradually pulled to the first fixed bracket 2 around the hinging shaft 15, and when the second fixed bracket 13 is combined with the first fixed bracket 2, the third power mechanism pushes the positioning pin 16 to connect the first fixing bracket 2 and the second fixing bracket 13 together. The winding mechanism 19 is well known to those skilled in the art and can be purchased and used directly according to the required model, and will not be described in detail herein.

One end of the hoisting arm 20, which is far away from the hoisting point of the hoisting steel wire rope 21, is hinged to the second fixed support 13, and during transportation, the hoisting arm 20 can be turned over below the outer plane of the second fixed support 13 to avoid being ultrahigh. Be equipped with the first stopper 22 that is used for injecing the vertical position of hoist and mount arm 20 on the second fixed bolster 13, during hoist and mount, first stopper 22 plays the effect of blockking, is equipped with the second stopper 23 that the hoist and mount point of injecing hoist and mount arm 20 is less than second fixed bolster 13 outer plane on the second fixed bolster 13, and during the transportation, second stopper 23 plays the effect of blockking.

During transportation, as shown in fig. 3, the vertical telescopic arm 26 is horizontally placed on the chassis of the automobile 27, the first sliding support 3 retracts into the first fixing support 2, the rotary platform 1 and the first fixing support 2 are installed at the top position of the vertical telescopic arm 26, the positioning pin 16 is opened, the second fixing support 13 is turned over to the side surface position of the vertical telescopic arm 26 and just positioned on the top plane of the automobile 27, the hoisting arm 20 is turned over to the position of the second limiting block 23 and is hidden below the outer plane of the second fixing support 13, the whole structure is compact, and the occupied space is small. During the use, hoist and mount arm 20 upset to first stopper 22 position, as shown in fig. 1, the perpendicular flexible arm 26 upset to vertical state, under the effect of hoist power, draw second fixed bolster 13 to first fixed bolster 2 around articulated shaft 15 gradually, when second fixed bolster 13 combines with first fixed bolster 2, third power unit promotes locating pin 16, link together first fixed bolster 2 and second fixed bolster 13, according to the distance of rescue target, stretch out second sliding support 14, stretch out first movable support simultaneously, use counter weight 4 adjustment work fill 24 balanced to guarantee successful rescue.

In the embodiment of the utility model, the rotary platform 1 is arranged at the top end of the vertical telescopic arm 26, the rotary momentum is only hundreds of kilograms, the rotary platform 1 can be driven to rotate by a low-power motor, the energy consumption is greatly reduced, the rotary speed is greatly improved, the working bucket 24 is arranged on the second sliding support 14, the angle position and the extending length of the working bucket 24 can be adjusted according to the rescue target, the rotary radius of the working bucket 24 is large, the rescue radius is increased, and the application range of the utility model is expanded.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a platform fire engine of ascending a height is with folding gyration operation arm, a serial communication port, including installing the first fixed bolster on the platform that turns round, second fixed bolster is connected to first fixed bolster one end, and the other end is first uncovered, slidable mounting has the first sliding support by first power unit driven in the first fixed bolster, first sliding support stretches out the counter weight is installed to first uncovered one end, the second fixed bolster is kept away from the one end of first fixed bolster is equipped with the second uncovered, slidable mounting has the second sliding support by second power unit driven in the second fixed bolster, the second sliding support stretches out work fill is installed to the open one end of second.

2. The folding and swiveling work jib for a fire fighting truck with an ascending platform according to claim 1, wherein the second fixing bracket is mounted on the first fixing bracket by means of a hinge shaft, and a positioning pin driven by a third power mechanism is provided between the second fixing bracket and the first fixing bracket.

3. The folding and revolving work jib for a fire engine of a climbing platform according to claim 2, wherein a support arm is fixedly mounted at one end of the first fixed bracket near the second fixed bracket, a support rope wheel is rotatably mounted on the support arm, a hoisting mechanism is disposed at the position of the first fixed bracket near the first opening, a hoisting arm is disposed on the second fixed bracket, and a hoisting wire rope is disposed among the hoisting mechanism, the support rope wheel and the hoisting arm.

4. The folding rotary operation arm for the fire truck with the ascending platform according to claim 3, wherein one end of the hoisting arm, which is far away from the hoisting point of the hoisting steel wire rope, is hinged to the second fixed support.

5. The folding rotary operation arm for the fire engine of the climbing platform according to claim 4, wherein a first limiting block for limiting the vertical position of the hoisting arm is arranged on the second fixing support, and a second limiting block for limiting the hoisting point of the hoisting arm to be lower than the outer plane of the second fixing support is arranged on the second fixing support.