CN214653208U

CN214653208U - Chassis structure of aerial work platform truck

Info

Publication number: CN214653208U
Application number: CN202120336444.8U
Authority: CN
Inventors: 彭建湘; 周喜; 李学文
Original assignee: Hunan Runshare Heavy Industry Co ltd
Current assignee: Hunan Runshare Heavy Industry Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-09
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to the technical field of special equipment, in particular to a chassis structure of an aerial working platform truck, which comprises a vehicle frame, wherein an auxiliary supporting structure is arranged on the vehicle frame, the auxiliary supporting structure comprises a fixed pipe, a telescopic pipe and a support leg component, a guide rail is arranged on the telescopic pipe, the support leg component comprises a support leg, a connecting block and a push plate, the connecting block is provided with a first guide wheel, the rear end of the connecting block is rotatably provided with a connecting shaft, two ends of the connecting shaft are provided with second guide wheels, the first guide wheel and the second guide wheel are in sliding fit with the guide rail, an inclined notch is formed in the push plate, a telescopic structure is arranged in the fixed pipe, and the telescopic end of the telescopic structure is connected with the push plate; the utility model discloses be provided with auxiliary stay structure, and auxiliary stay structure simple structure, the cost is reduced.

Description

Chassis structure of aerial work platform truck

Technical Field

The utility model relates to a special equipment technical field, concretely relates to chassis structure of aerial working platform car.

Background

The aerial work platform vehicle is a movable aerial work product for aerial work, equipment installation, maintenance and the like in various industries. The related products of the aerial work platform mainly comprise: a scissor type aerial work platform, a vehicle-mounted aerial work platform, a crank arm type aerial work platform, a self-propelled aerial work platform, an aluminum alloy aerial work platform and a telescopic cylinder type aerial work platform. In the working process of the aerial work platform, the stability of the chassis directly influences the operation safety of workers on the work platform.

Among the prior art, can not take place to overturn in order to guarantee the high altitude construction platform car, can set up supplementary stabilizer blade on the chassis usually and support, at first stretch out the horizontal leg of operation car, then stretch out perpendicular stabilizer blade, and in order to reduce manual operation, horizontal support and perpendicular stabilizer blade are driven by the pneumatic cylinder usually, but the stabilizer blade of two directions needs two pneumatic cylinders to drive respectively, and the structure is complicated, and has risen the cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a chassis structure of high altitude construction platform truck, be provided with auxiliary support structure, and auxiliary support structure simple structure, the cost is reduced.

The utility model discloses a chassis structure of high-altitude operation platform truck, which comprises a vehicle frame, the frame is provided with auxiliary supporting structure, auxiliary supporting structure includes fixed pipe, flexible pipe and the stabilizer blade component of setting in flexible pipe, fixed pipe opening outwards fixes on the frame, flexible pipe includes straight pipe portion and the guide part that sets up in the straight pipe portion front end, the rear end of straight pipe portion is inserted and is established in the fixed pipe, be provided with the guide track on the flexible pipe, the guide track includes the straight track that sets up the side of straight pipe portion, the vertical track that sets up the side of guide part and the slope track that communicates straight track and vertical track, the stabilizer blade component includes supporting leg, connecting block and push pedal, the connecting block is fixed to be set up the rear end of supporting leg, the side of connecting block is provided with first guide pulley by the position rotation in front, the rear end of connecting block is rotated and is provided with the connecting axle, the both ends of connecting axle are provided with the second guide pulley, first guide pulley, second guide pulley all with guide rail sliding fit, the mounting groove has still been seted up to the rear end of connecting block, the connecting axle runs through the mounting groove, the oblique notch has been seted up in the push pedal, the push pedal stretches into make in the mounting groove the connecting axle with oblique notch clearance fit, be provided with extending structure in the fixed pipe, extending structure's flexible end with the push pedal is connected.

Further, the guide part is two vertical plates symmetrically arranged at the front end of the straight pipe part, and a gap for the support leg to extend out and turn is formed between the two vertical plates.

Furthermore, the telescopic structure is a two-stage hydraulic cylinder, the rear end of the telescopic pipe is connected to a first-stage piston rod of the two-stage hydraulic cylinder, and the push plate is connected to a second-stage piston rod of the two-stage hydraulic cylinder.

Further, the supporting leg component also comprises a supporting plate which is movably connected to the front end of the supporting leg through a ball head structure.

Further, the part of the connecting shaft in the mounting groove is further sleeved with a shaft sleeve, and rolling friction is realized between the connecting shaft and the inner surface of the inclined groove opening through the shaft sleeve.

The utility model has the advantages that: the utility model discloses a chassis structure of aerial working platform car is provided with auxiliary supporting structure, and this auxiliary supporting structure comprises fixed pipe, flexible pipe and stabilizer blade component, sets up in the fixed pipe and is provided with extending structure, and flexible pipe can stretch out and draw back for fixed pipe, be provided with the direction track on the flexible pipe, and preceding, back are provided with on the connecting block in the stabilizer blade component with direction track sliding fit's first guide pulley and second guide pulley, under the promotion of extending structure, flexible pipe stretches out fixed pipe completely after, the supporting leg in the stabilizer blade component first level stretches out the telescopic link, again turns over downwards under the effect of direction track and becomes vertical direction, further moves down under the effect of the vertical track in oblique notch and direction track at last, contacts with the ground and carries out auxiliary support to the chassis; the telescopic pipe horizontally extends out, the supporting legs are changed to be vertically downward, and the telescopic structure is only used for realizing, so that driving members are reduced, and the cost is reduced.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an auxiliary support structure of the present invention;

FIG. 3 is a schematic cross-sectional view of an auxiliary support structure of the present invention;

fig. 4 is a schematic structural view of the middle leg member of the present invention.

Description of reference numerals: the telescopic support structure comprises a frame 1, an auxiliary support structure 2, a fixed pipe 3, a telescopic pipe 4, a straight pipe part 5, a guide part 6, a straight track 7, a vertical track 8, an inclined track 9, support legs 10, a connecting block 11, a push plate 12, a first guide wheel 13, a connecting shaft 14, a second guide wheel 15, a mounting groove 16, an inclined notch 17, a telescopic structure 18, a support plate 19 and a shaft sleeve 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the chassis structure of an aerial work platform truck in this embodiment includes a truck frame 1, an auxiliary support structure 2 is disposed on the truck frame 1, the auxiliary support structure 2 includes a fixed pipe 3, a telescopic pipe 4 and a leg member disposed in the telescopic pipe 4, the fixed pipe 3 is fixed on the truck frame 1 with an opening facing outward, the telescopic pipe 4 includes a straight pipe portion 5 and a guide portion 6 disposed at a front end of the straight pipe portion 5, in this embodiment, the guide portion 6 is two vertical plates symmetrically disposed at a front end of the straight pipe portion 5, a gap is provided between the two vertical plates, a rear end of the straight pipe portion 5 is inserted into the fixed pipe 3, the telescopic pipe 4 is provided with a guide rail, the guide rail includes a straight rail 7 disposed at a side edge of the straight pipe portion 5, a vertical rail 8 disposed on the guide portion 6, and an inclined rail 9 communicating the straight rail 7 and the vertical rail 8, the stabilizer blade component includes supporting leg 10, connecting block 11 and push pedal 12, connecting block 11 is fixed to be set up the rear end of supporting leg 10, the position rotation that the side of connecting block 11 leaned on the front is provided with first guide pulley 13, the rear end of connecting block 11 rotates and is provided with connecting axle 14, the both ends of connecting axle 14 are provided with second guide pulley 15, first guide pulley 13, second guide pulley 15 all with guide rail sliding fit, mounting groove 16 has still been seted up to the rear end of connecting block 11, connecting axle 14 runs through mounting groove 16, oblique notch 17 has been seted up on push pedal 12, push pedal 12 stretches into make in the mounting groove 16 connecting axle 14 with oblique notch 17 clearance fit, be provided with extending structure 18 in the fixed pipe 3, extending structure 18's flexible end with push pedal 12 is connected.

When the auxiliary supporting structure 2 needs to be unfolded, the telescopic structure 18 drives the push plate 12 to move forwards, the first guide wheel 13 and the second guide wheel 15 are both arranged on the straight track 7 at the moment, so that the push plate can only move forwards, when the push plate reaches the tail end of the straight track 7, the supporting leg 10 horizontally extends out of a gap between the two guide plates, and as the front part and the back part of the first guide wheel 13 and the second guide wheel 15 have position difference, along with the continuous advancing of the push plate 12, the first guide wheel 13 firstly enters the inclined track 9 and then enters the vertical track 8, and the second guide wheel 15 is still arranged on the straight track 7, so that the supporting leg 10 horizontally extending out can be vertical; the push plate 12 continues to push forwards, because the first guide wheel 13 and the second guide wheel 15 both enter the vertical track 8, the connecting block 11 can only move in the vertical direction, and the connecting shaft 14 in the connecting block 11 provides downward force for the supporting leg 10 under the action of the inclined notch 17 in the push plate 12, so that the supporting leg 10 can be pressed against the ground, wherein the inclined notch 17 is preferably arranged to be perpendicular to the inclined track 9; it is worth mentioning that the extension process of the extension tube 4 is completed simultaneously when the support leg 10 is extended and the vertical turning is completed.

In this embodiment, the telescopic structure 18 is a two-stage hydraulic cylinder, the rear end of the telescopic tube 4 is connected to a first-stage piston rod of the two-stage hydraulic cylinder, and the push plate 12 is connected to a second-stage piston rod of the two-stage hydraulic cylinder.

In this embodiment, the leg member further comprises a support plate 19, and the support plate 19 is movably connected to the front end of the support leg 10 through a ball head structure, so that the support plate 19 can have a certain moving angle relative to the support leg 10.

In this embodiment, a sleeve 20 is further sleeved on a portion of the connecting shaft 14 located in the mounting groove 16, and the connecting shaft 14 and the inner surface of the inclined notch 17 realize rolling friction through the sleeve 20.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a chassis structure of high altitude construction platform car, includes the frame, its characterized in that: the frame is provided with an auxiliary supporting structure, the auxiliary supporting structure comprises a fixed pipe, a telescopic pipe and a support leg component arranged in the telescopic pipe, the fixed pipe is fixed on the frame with an opening facing outwards, the telescopic pipe comprises a straight pipe part and a guide part arranged at the front end of the straight pipe part, the rear end of the straight pipe part is inserted in the fixed pipe, the telescopic pipe is provided with a guide track, the guide track comprises a straight track arranged at the side edge of the straight pipe part, a vertical track arranged at the side edge of the guide part and an inclined track communicated with the straight track and the vertical track, the support leg component comprises a support leg, a connecting block and a push plate, the connecting block is fixedly arranged at the rear end of the support leg, a first guide wheel is rotatably arranged at the position of the side edge of the connecting block close to the front, and a connecting shaft is rotatably arranged at the rear end of the connecting block, the connecting shaft is characterized in that second guide wheels are arranged at two ends of the connecting shaft, the first guide wheels and the second guide wheels are in sliding fit with the guide rails, a mounting groove is further formed in the rear end of the connecting block, the connecting shaft penetrates through the mounting groove, inclined notches are formed in the push plate, the push plate stretches into the mounting groove, so that the connecting shaft is movably matched with the inclined notches, an expansion structure is arranged in the fixing pipe, and the expansion end of the expansion structure is connected with the push plate.

2. The undercarriage structure of an aerial platform cart of claim 1, wherein: the guide part is two vertical plates symmetrically arranged at the front end of the straight pipe part, and a gap for the support leg to extend out and turn is formed between the two vertical plates.

3. The undercarriage structure of an aerial platform cart of claim 1, wherein: the telescopic structure is a two-stage hydraulic cylinder, the rear end of the telescopic pipe is connected to a first-stage piston rod of the two-stage hydraulic cylinder, and the push plate is connected to a second-stage piston rod of the two-stage hydraulic cylinder.

4. The undercarriage structure of an aerial platform cart of claim 1, wherein: the supporting leg component further comprises a supporting plate which is movably connected to the front end of the supporting leg through a ball head structure.

5. The undercarriage structure of an aerial platform cart of claim 1, wherein: the connecting shaft is positioned on the part in the mounting groove and is also sleeved with a shaft sleeve, and the connecting shaft and the inner surface of the inclined groove opening realize rolling friction through the shaft sleeve.