阅读说明：本技术 一种多功能云梯车 (Multifunctional aerial ladder vehicle ) 是由 陈亚军 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种多功能云梯车,包括安装于车体上并可转动的转动盘、安装于所述转动盘上的伸缩臂、用于对所述伸缩臂的倾斜角度进行调节的调节机构、以及安装于所述伸缩臂上并可沿该伸缩臂行走的运输小车,所述调节机构包括第一液压杆和第二液压杆,所述第一液压杆和第二液压杆位于伸缩臂正下方的同一竖直平面上,所述第一液压杆固定于所述转动盘上,所述第一液压杆的输出端铰接于所述伸缩臂的底部,所述第二液压杆的一端铰接于所述转动盘,第二液压杆的另一端铰接于所述伸缩臂的底部。本发明增加了伸缩臂的摆动角度,提升了作业的范围。(The invention discloses a multifunctional aerial ladder vehicle which comprises a rotatable rotary disc, a telescopic arm, an adjusting mechanism and a transport trolley, wherein the rotatable rotary disc is arranged on a vehicle body, the telescopic arm is arranged on the rotary disc, the adjusting mechanism is used for adjusting the inclination angle of the telescopic arm, the transport trolley is arranged on the telescopic arm and can walk along the telescopic arm, the adjusting mechanism comprises a first hydraulic rod and a second hydraulic rod, the first hydraulic rod and the second hydraulic rod are positioned on the same vertical plane right below the telescopic arm, the first hydraulic rod is fixed on the rotary disc, the output end of the first hydraulic rod is hinged to the bottom of the telescopic arm, one end of the second hydraulic rod is hinged to the rotary disc, and the other end of the second hydraulic rod is hinged to the bottom of the telescopic arm. The invention increases the swing angle of the telescopic arm and improves the operation range.)

1. The utility model provides a multi-functional aerial ladder car, including install on the automobile body and rotatable rolling disc, install in flexible arm on the rolling disc, be used for right the inclination of flexible arm carries out the adjustment mechanism who adjusts and install in the travelling bogie of this flexible arm walking can be followed on the flexible arm, its characterized in that:

the adjusting mechanism comprises a first hydraulic rod and a second hydraulic rod, the first hydraulic rod and the second hydraulic rod are located on the same vertical plane right below the telescopic arm, the first hydraulic rod is fixed on the rotating disc, the output end of the first hydraulic rod is hinged to the bottom of the telescopic arm, one end of the second hydraulic rod is hinged to the rotating disc, and the other end of the second hydraulic rod is hinged to the bottom of the telescopic arm.

2. The multi-functional aerial ladder vehicle of claim 1, characterized in that: the trolley is characterized in that a fixing frame is arranged on the trolley body, a roll-over stand is arranged on the fixing frame, one side edge of the roll-over stand is hinged to the fixing frame, a third hydraulic rod is arranged between the fixing frame and the roll-over stand, two ends of the third hydraulic rod are respectively hinged to the fixing frame and the roll-over stand, and the rotating disc is rotatably arranged on the roll-over stand.

3. The multi-functional aerial ladder vehicle of claim 1, characterized in that: the transport trolley is provided with a loading hopper capable of automatically leveling.

4. The multi-functional aerial ladder vehicle of claim 3, characterized in that: two arc-shaped rails are symmetrically arranged on the transport trolley left and right, and the loading buckets are slidably arranged on the arc-shaped rails.

5. The multi-functional aerial ladder vehicle of claim 4, characterized in that: the cross section of the circular arc track is T-shaped, and the upper side and the lower side of two wing plates of the circular arc track are both provided with guide rails;

the bottom of the loading hopper is provided with at least two groups of roller assemblies corresponding to each circular arc track, each group of roller assemblies comprises two roller frames which are arranged in bilateral symmetry, each roller frame is internally provided with two rollers which are arranged up and down oppositely, webs of the circular arc tracks are fixed on the transport trolley and extend into the space between the two roller frames of each group of roller assemblies, each wing plate of the circular arc tracks respectively extend into the roller frames on the corresponding sides, and the two rollers in each roller frame respectively support against guide rails on two sides of the wing plate extending into the roller frame.

6. The multi-functional aerial ladder vehicle of claim 5, characterized in that: the middle of the top of the circular arc track is provided with a rack along the extending direction, a gear is rotatably arranged between the two roller frames of each group of the roller assemblies and above the rack, and the gear is meshed with the rack.

7. The multi-functional aerial ladder vehicle of claim 4, characterized in that: two parallel arrangement has a brake rail between the circular arc track, carry the bottom of fighting install be used for with the brake rail cooperation is in order to carry out the brake mechanism that brakes to carrying the fill.

8. The multi-functional aerial ladder vehicle of claim 7, characterized in that: the brake mechanism is a disc brake.

9. The multi-functional aerial ladder vehicle of claim 7, characterized in that: the conveying trolley is characterized in that an inwards concave arc-shaped surface is arranged on the conveying trolley, T-shaped grooves which are in one-to-one correspondence with the arc-shaped rails and the brake rails are formed in the arc-shaped surface, each T-shaped groove extends along the arc of the arc-shaped surface, two ends of each T-shaped groove penetrate through the edge of the conveying trolley, a rack is respectively slidably mounted in each T-shaped groove, each rack is fixedly connected to the lower ends of each arc-shaped rail and the brake rail in one-to-one correspondence, a driving rod is further rotatably mounted in the conveying trolley, three gears are coaxially and fixedly mounted on the driving rod, and the gears are meshed with the racks in one-to-one correspondence.

10. The multi-functional aerial ladder vehicle of claim 9, characterized in that: one end of the driving rod is coaxially and fixedly provided with a worm wheel, the side part of the transport trolley is rotatably provided with a worm, and the worm is meshed with the worm wheel.

Technical Field

The invention relates to the technical field of aerial ladder vehicles, in particular to a multifunctional aerial ladder vehicle.

Background

The aerial ladder vehicle is a vehicle-mounted aerial ladder device, is a special operation vehicle for carrying materials upstairs, has the characteristics of simple and convenient operation, easy learning, strong flexibility, wide application range, high working efficiency, good performance and the like, and is widely applied to the fields of cargo carrying, fire fighting, equipment installation and maintenance and the like.

The prior aerial ladder vehicle has the following defects: (1) the telescopic arm of the aerial ladder is mainly used for driving the telescopic arm to vertically rotate through the hydraulic rod to adjust the inclination angle of the telescopic arm, the telescopic arm can only extend towards the upper oblique direction and cannot extend towards the lower oblique direction, and certain limitation exists in the use; (2) the telescopic arm of the scaling ladder can be used as a track of a rail car, the loading hopper is installed on the rail car, when the inclination angle of the telescopic arm changes, the loading hopper needs to be synchronously adjusted, so that the loading hopper is always kept horizontal, the loading hopper is generally adjusted in a mode of driving the loading hopper to rotate by a hydraulic cylinder at present, the adjusting range is limited, and the reliability is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a multifunctional aerial ladder vehicle, which is used for increasing the swing angle of a telescopic arm and improving the operation range.

The invention provides a multifunctional aerial ladder vehicle which comprises a rotatable rotary disc, a telescopic arm, an adjusting mechanism and a transport trolley, wherein the rotatable rotary disc is arranged on a vehicle body, the telescopic arm is arranged on the rotary disc, the adjusting mechanism is used for adjusting the inclination angle of the telescopic arm, the transport trolley is arranged on the telescopic arm and can walk along the telescopic arm, the adjusting mechanism comprises a first hydraulic rod and a second hydraulic rod, the first hydraulic rod and the second hydraulic rod are positioned on the same vertical plane right below the telescopic arm, the first hydraulic rod is fixed on the rotary disc, the output end of the first hydraulic rod is hinged to the bottom of the telescopic arm, one end of the second hydraulic rod is hinged to the rotary disc, and the other end of the second hydraulic rod is hinged to the bottom of the telescopic arm.

Furthermore, a fixing frame is arranged on the vehicle body, a roll-over stand is arranged on the fixing frame, one side edge of the roll-over stand is hinged to the fixing frame, a third hydraulic rod is arranged between the fixing frame and the roll-over stand, two ends of the third hydraulic rod are respectively hinged to the fixing frame and the roll-over stand, and the rotating disc is rotatably arranged on the roll-over stand.

Further, the transport trolley is provided with a loading bucket capable of automatically leveling.

Furthermore, two arc-shaped rails are symmetrically arranged on the transport trolley left and right, and the loading buckets are slidably arranged on the arc-shaped rails.

Furthermore, the section of the circular arc track is T-shaped, and the upper side and the lower side of two wing plates of the circular arc track are both provided with guide rails; the bottom of the loading hopper is provided with at least two groups of roller assemblies corresponding to each circular arc track, each group of roller assemblies comprises two roller frames which are arranged in bilateral symmetry, each roller frame is internally provided with two rollers which are arranged up and down oppositely, webs of the circular arc tracks are fixed on the transport trolley and extend into the space between the two roller frames of each group of roller assemblies, each wing plate of the circular arc tracks respectively extend into the roller frames on the corresponding sides, and the two rollers in each roller frame respectively support against guide rails on two sides of the wing plate extending into the roller frame.

Furthermore, a rack is arranged in the middle of the top of the circular arc-shaped track along the extending direction of the circular arc-shaped track, a gear is rotatably arranged between the two roller frames of each group of the roller assemblies and above the rack, and the gear is meshed with the rack.

Further, two parallel arrangement has a brake rail between the circular arc track, carry the bottom of fighting install be used for with the brake rail cooperation is in order to carry out the brake mechanism that brakes to carrying the fill.

Further, the brake mechanism is a disc brake.

Furthermore, an inwards concave arc-shaped surface is arranged on the transport trolley, T-shaped grooves which are in one-to-one correspondence with the arc-shaped rails and the brake rails are formed in the arc-shaped surface, each T-shaped groove extends along the arc shape of the arc-shaped surface, two ends of each T-shaped groove penetrate through the edge of the transport trolley, a rack is respectively slidably mounted in each T-shaped groove, each rack is fixedly connected to the lower ends of each arc-shaped rail and the brake rail in one-to-one correspondence, a driving rod is further rotatably mounted in the transport trolley, three gears are coaxially and fixedly mounted on the driving rod, and each gear is meshed with each rack in one-to-one correspondence.

Furthermore, a worm wheel is coaxially and fixedly installed at one end of the driving rod, a worm is rotatably installed on the side portion of the transport trolley, and the worm is meshed with the worm wheel.

The invention has the beneficial effects that: this application adjusts the inclination of flexible arm through setting up the cooperation of first hydraulic stem and second hydraulic stem, has increased the swing angle of flexible arm, not only can satisfy the angle modulation that flexible arm syncline top extends to satisfy the operation above the level, can also rotate flexible arm to the horizontal direction extension simultaneously, with satisfying the operation on the horizontal direction, can also rotate flexible arm syncline below in addition and extend, with satisfying the operation below the level, the scope of operation has been improved.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a telescopic arm extending obliquely upward according to an embodiment of the present invention;

FIG. 2 is a schematic view of the telescopic arm extending horizontally according to an embodiment of the present invention;

FIG. 3 is a schematic view of the telescopic arm of the present invention extending obliquely downward;

FIG. 4 is a schematic view of the telescopic arm extending vertically according to an embodiment of the present invention;

FIG. 5 is a schematic view of the combination of the loading hopper and the transportation cart according to an embodiment of the present invention;

FIG. 6 is a schematic view of the combination of a bucket and a trolley according to another embodiment of the present invention;

FIG. 7 is a schematic view of the adjustment of the circular arc shaped track and the brake rail when the telescopic arm of the present invention is extended vertically;

fig. 8 is a schematic view illustrating adjustment of the circular arc-shaped rail and the brake rail when the telescopic arm extends obliquely downward according to another embodiment of the present invention.

In the drawings, 100-vehicle body; 200-a rotating disc; 210-a mount; 220-a roll-over stand; 230-a third hydraulic ram; 300-a telescopic arm; 400-an adjustment mechanism; 410-a first hydraulic ram; 420-a second hydraulic ram; 500-transporting the trolley; 510-carrying bucket; 520-circular arc track; 521-a wing plate; 522-a guide rail; 523-web; 524-rack; 530-a roller assembly; 531-roller carrier; 532-roller; 533-gear; 540-brake rail; 550-a brake mechanism; 610-T type groove; 620-rack; 630-a drive rod; 640-a gear; 650-a worm gear; 660-worm.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Example 1

As shown in fig. 1 to 5, an embodiment of the present invention provides a multi-functional aerial ladder vehicle, which includes a rotatable plate 200 rotatably mounted on a vehicle body 100, a telescopic arm 300 mounted on the rotatable plate 200, an adjusting mechanism 400 for adjusting an inclination angle of the telescopic arm 300, and a transporting carriage 500 mounted on the telescopic arm 300 and capable of traveling along the telescopic arm 300.

It should be noted that, the driving mechanism of the rotating disc 200, the telescopic structure of the telescopic arm 300, and the structure of the transportation cart 500 moving along the telescopic arm 300 are the same as those of the common aerial ladder vehicle in the market, which are not the improvement points of the present application, and are not described herein again.

Adjustment mechanism 400 includes first hydraulic stem 410 and second hydraulic stem 420, and first hydraulic stem 410 and second hydraulic stem 420 are located the same vertical plane under flexible arm 300, and first hydraulic stem 410 is fixed in on rolling disc 200, and the output of first hydraulic stem 410 articulates in the bottom of flexible arm 300, and the one end of second hydraulic stem 420 articulates in rolling disc 200, and the other end of second hydraulic stem 420 articulates in the bottom of flexible arm 300.

According to the telescopic arm 300, the first hydraulic rod 410 and the second hydraulic rod 420 are arranged to be matched to adjust the inclination angle of the telescopic arm 300, the swing angle of the telescopic arm 300 is increased, the angle adjustment of the telescopic arm 300 extending towards the oblique upper side can be met, the operation above the level can be met (shown in figure 1), meanwhile, the telescopic arm 300 can be rotated to extend towards the horizontal direction, the operation above the horizontal direction can be met (shown in figure 2), in addition, the telescopic arm 300 can be rotated to extend towards the oblique lower side, the operation below the level can be met (shown in figure 3), and the operation range is improved.

In a preferred embodiment, a fixed frame 210 is disposed on the vehicle body 100, a roll-over stand 220 is disposed on the fixed frame 210, one side of the roll-over stand 220 is hinged to the fixed frame 210, a third hydraulic rod 230 is disposed between the fixed frame 210 and the roll-over stand 220, two ends of the third hydraulic rod 230 are respectively hinged to the fixed frame 210 and the roll-over stand 220, and the rotating disc 200 is rotatably mounted on the roll-over stand 220. As shown in fig. 4, the vertical transportation operation can be further realized, and when the vertical operation is required, the telescopic boom 300 is firstly rotated to a position parallel to the third hydraulic rod 230 through the rotating disc 200 and the rotating disc 200 is locked, and then the third hydraulic rod 230 drives the roll-over stand 220 to rotate by 90 degrees, so that the telescopic boom 300 can be adjusted to be in a vertical state.

In a preferred embodiment, the transporting carriage 500 is provided with a self-leveling bucket 510, so that the bucket 510 can be always kept horizontal when the tilting angle of the telescopic arm 300 is adjusted.

Preferably, two circular arc-shaped rails 520 are symmetrically installed on the transportation trolley 500, and the loading hopper 510 is slidably installed on the circular arc-shaped rails 520, so that the loading hopper 510 can slide along the circular arc-shaped rails 520 under the action of gravity in the process of adjusting the inclination angle of the telescopic arm 300, thereby keeping the loading hopper 510 horizontal.

Specifically, referring to fig. 5, the circular arc rail 520 has a T-shaped cross section, and guide rails 522 are provided on both upper and lower sides of the wing plates 521 of the circular arc rail 520. The bottom of the loading bucket 510 is provided with at least two groups of roller assemblies 530 corresponding to each circular arc track 520, each group of roller assemblies 530 comprises two roller frames 531 which are arranged in bilateral symmetry, two rollers 532 are oppositely arranged in each roller frame 531 up and down, a web 523 of the circular arc track 520 is fixed on the transport trolley 500 and extends into the space between the two roller frames 531 of each group of roller assemblies 530, each wing plate 521 of the circular arc track 520 extends into the roller frame 531 at the corresponding side respectively, and the two rollers 532 in each roller frame 531 are abutted against the guide rails 522 extending into the two sides of the wing plate 521 of the roller frame 531 respectively, so that the loading bucket 510 and the circular arc track 520 can be firmly combined together, and the loading bucket 510 is ensured to slide smoothly, safely and reliably.

Preferably, a rack 524 is arranged in the middle of the top of the circular arc-shaped track 520 along the extending direction of the circular arc-shaped track, a gear 533 is rotatably mounted between the two roller frames 531 of each set of roller assemblies 530 and above the rack 524, the gear 533 is meshed with the rack 524, and by arranging the gear 533 and the rack 524, the sliding speed of the loading bucket 510 along the circular arc-shaped track 520 can be slowed down, and the use safety is ensured.

More preferably, a brake rail 540 is arranged between the two circular arc-shaped rails 520 in parallel, a brake mechanism 550 used for cooperating with the brake rail 540 to brake the carrying bucket 510 is installed at the bottom of the carrying bucket 510, the brake mechanism 550 is preferably a disc brake, the disc brake belongs to the prior art, and is widely applied to bicycle braking, and the disc brake does not belong to the improvement point of the application, and is not described herein any more, and by arranging the brake rail 540 and the brake mechanism 550, the speed and the brake of the carrying bucket 510 can be controlled by controlling the brake mechanism 550, so that the use safety is further ensured.

Example 2

Another embodiment of the invention provides a multifunctional aerial ladder vehicle, and an embodiment 2 is a further optimization of the embodiment 1, and the improvement is that, referring to fig. 6-8, a transport trolley 500 is provided with an inwards concave arc-shaped surface, the arc-shaped surface is provided with T-shaped grooves 610 corresponding to arc-shaped rails 520 and brake rails 540 one by one, each T-shaped groove 610 extends along the arc shape of the arc-shaped surface, two ends of each T-shaped groove 610 penetrate through the edge of the transport trolley 500, a rack 620 is respectively and slidably mounted in each T-shaped groove 610, each rack 620 is fixedly connected to the lower ends of each arc-shaped rail 520 and brake rail 540 one by one, a driving rod 630 is further rotatably mounted in the transport trolley 500, three gears 640 are coaxially and fixedly mounted on the driving rod 630, and the gears 640 are meshed with the racks 620 one by one.

Because the swing angle of the telescopic arm 300 is relatively large, the maximum positive angle of upward swing can reach about 90 degrees, and the maximum negative angle of downward swing can reach about-60 degrees, the circular arc track 520 is adopted for automatically leveling the loading bucket 510, in order to meet the leveling within the angle range, the central angle of the circular arc track 520 at least reaches about 150 degrees, the central angle of the circular arc track 520 is too large, the track can extend to the upper side of the loading bucket 510 in the using process to cause obstruction to the use, in order to solve the problem, the adjustable circular arc track 520 and the brake rail 540 are adopted, as shown in fig. 7, when the telescopic arm 300 extends to the inclined upper side at a relatively large inclined angle, the driving rod 630 synchronously drives one end of the two circular arc tracks 520 and one end of the brake rail 540 to penetrate out of one end of the T-shaped groove 610 through the gear rack 640, as shown in fig. 8, when the telescopic arm 300 extends obliquely downward, the driving rod 630 drives the other ends of the two circular arc-shaped rails 520 and the brake rail 540 to penetrate out of the other end of the T-shaped groove 610 through the gear 640 and the rack 620, so that the requirements of different use states can be met by adjusting the positions of the circular arc-shaped rails 520 and the brake rail 540, and the rails can be effectively prevented from extending above the loading bucket 510 to hinder the use of the loading bucket.

Preferably, a worm gear 650 is coaxially and fixedly mounted at one end of the driving rod 630, a worm 660 is rotatably mounted at the side of the transportation trolley 500, the worm 660 is meshed with the worm gear 650, when the positions of the tracks (the arc-shaped track 520 and the brake track 540) are adjusted, the worm gear 650 is driven to rotate through the worm 660, the driving rod 630 is further driven to rotate, and after the tracks are adjusted in place, the worm gear 650 and the worm 660 form self-locking, so that the track is automatically locked.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.