CN217864419U

CN217864419U - Crawler-type chassis structure with variable width for overhead working truck

Info

Publication number: CN217864419U
Application number: CN202222018689.3U
Authority: CN
Inventors: 徐其军; 王景玉
Original assignee: Jiangsu Yingshi Technology Co ltd
Current assignee: Jiangsu Yingshi Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-22
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a variable width's of high altitude construction car crawler-type chassis structure relates to high altitude construction car technical field, including the chassis body, install track and power device on the chassis body, crawler-type removal mode has little to ground unit pressure, and it is little to sink, and the adhesive force is strong, goes through the advantage that the ability is strong, the outside of chassis body is provided with two symmetrical adjustment mechanism, adjustment mechanism is including seting up the collecting storage in chassis body surface, the inner wall sliding connection of collecting storage has the backup pad, and the collecting storage plays the guide effect for the removal of backup pad. It can be through chassis body and adjustment mechanism's setting, can adjust the width of collecting storage facility to at the support area of during operation increase chassis body, thereby improve the stability of device, avoid fixed chassis unable stable support hydraulic stretching arm and lift platform, avoid the condition of empting to take place simultaneously, thereby improve the security of device, convenient to use.

Description

Crawler-type chassis structure with variable width for overhead working truck

Technical Field

The utility model relates to an aerial working car technical field specifically is crawler-type chassis structure of aerial working car variable width.

Background

The overhead working truck is a special vehicle for transporting workers and using equipment to the site and carrying out aerial operation. Along with the requirement of safe production, the high-altitude operation vehicle receives more and more attention and application, and the use cases in the fields of machine manufacturing, bridge construction, equipment maintenance, electric power installation and the like are inexhaustible, wherein the high-altitude operation vehicle has the advantages of convenient transportation, high operation efficiency, low failure rate and the like, and is widely applied. Compared with a wheel type overhead working truck, the crawler type overhead working truck has the advantages of small unit pressure on the ground, small subsidence, strong adhesion capability and strong driving and passing capability.

The chassis of the conventional crawler-type aerial working vehicle is generally of a fixed structure, when the crawler-type aerial working vehicle is used, a crawler of the aerial working vehicle is in contact with the ground and plays a supporting role for a lifting platform and a telescopic arm, the conventional crawler-type aerial working vehicle does not have a function of adjusting the width of the chassis and cannot adjust the supporting area of the chassis, when the forward extension amplitude of the lifting platform and the telescopic arm is large, the center of gravity of the whole aerial working vehicle moves forwards, and the fixed chassis of the crawler-type aerial working vehicle possibly cannot stably support the lifting platform and the telescopic arm or even topples over, so that certain potential safety hazards are caused; therefore, the variable-width crawler-type chassis structure of the aerial work vehicle is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crawler-type chassis structure with variable width for an overhead working truck in order to make up the defects of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the crawler-type chassis structure with the variable width of the aerial work vehicle comprises a chassis body, wherein a crawler and a power device are installed on the chassis body, a crawler-type moving mode has the advantages of small subsidence to ground unit pressure, strong adhesion and strong driving passing capacity, two symmetrical adjusting mechanisms are arranged outside the chassis body, each adjusting mechanism comprises a storage bin arranged on the outer surface of the chassis body, the inner wall of each storage bin is slidably connected with a supporting plate, the storage bin plays a guiding role for moving the supporting plate and can be retracted into the storage bin when not used, a storage groove is formed in the outer surface of the supporting plate, the inner wall of the storage groove is hinged to a supporting rod through a pin shaft, after operation is finished, the supporting rod can be retracted into the storage groove, the supporting rod can be conveniently stored, a first limiting hole is formed in the outer surface of the supporting rod, a fixing frame is fixedly connected with the outer surface of the chassis body, a first limiting rod is arranged inside the fixing frame, two symmetrical first hydraulic rods are fixedly connected to the bottom surface of the supporting plate, the first hydraulic rods are in the prior art, and are connected with cushion blocks for controlling the extension of the first hydraulic rods to contact with the bottom surface, so that the first hydraulic rods to play a role of a supporting device.

Furthermore, first gag lever post runs through the mount and is connected with the mount looks joint, first gag lever post and first spacing looks adaptation, first gag lever post can be followed the mount and extracted, is connected through the rope between mount and the first gag lever post simultaneously, avoids first gag lever post to drop from the mount, leads to losing, and when first gag lever post inserted first spacing downthehole, messenger's bracing piece played the supporting role for the backup pad, made the backup pad more firm.

Further, two symmetrical anticreep grooves have been seted up to the surface of chassis body, the fixed surface of backup pad is connected with two symmetrical anticreep pieces, anticreep piece sliding connection is at the inner wall in anticreep groove, and the anticreep groove plays the guide effect for the removal of anticreep piece, through the setting of anticreep groove and anticreep piece, plays limiting displacement for the backup pad, avoids the backup pad to break away from in the storage bin.

Furthermore, the outer fixed surface of chassis body is connected with two symmetrical fixing bases, the outer fixed surface of fixing base is connected with the spring, the one end fixedly connected with operation disc of fixing base is kept away from to the spring, operation disc is close to a side fixedly connected with second gag lever post of spring, the second gag lever post run through the fixing base and with fixing base sliding connection, when the second gag lever post inserts in the spacing hole of second, the spring is in normal condition, when the second gag lever post was extracted from the spacing hole of second, operation disc can extension spring.

Furthermore, two symmetrical second limiting holes are formed in the outer surface of the supporting plate, the second limiting holes are matched with the second limiting rods, when the second limiting rods are inserted into the second limiting holes, the supporting plate is limited, and the supporting plate is prevented from sliding out of the storage bin in an unmanned mode.

Further, the upper surface of chassis body articulates through the round pin axle has the flexible arm of hydraulic pressure, the upper surface of chassis body articulates through the round pin axle has the second hydraulic stem, the one end that the chassis body was kept away from to the second hydraulic stem articulates the surface at the flexible arm of hydraulic pressure through the round pin axle, and the flexible arm of hydraulic pressure and second hydraulic stem are prior art, through the extension and the shortening of the flexible arm of the inside hydraulic structure control hydraulic pressure of the flexible arm of hydraulic pressure, the extension and the shortening of control second hydraulic stem can adjust the flexible arm inclination of hydraulic pressure to adjust lift platform's position.

Furthermore, the one end that chassis body was kept away from to hydraulic stretching arm articulates through the round pin axle has lift platform, lift platform's surface articulates through the round pin axle has the third hydraulic stem, the one end that lift platform was kept away from to the third hydraulic stem articulates through the round pin axle at the surface of hydraulic stretching arm, through the setting of third hydraulic stem, controls the extension and the shortening of third hydraulic stem, can be when adjusting lift platform position, change the contained angle of lift platform and hydraulic stretching arm to guarantee that lift platform keeps perpendicularly.

Compared with the prior art, the crawler-type chassis structure with the variable width of the aerial work platform has the following beneficial effects:

1. the utility model discloses a width of collecting storage facility can be adjusted in chassis body and adjustment mechanism's setting to at the support area of during operation increase chassis body, thereby improve device's stability, avoid the unable stable support hydraulic stretching arm of fixed chassis and lift platform, avoid the condition of empting to take place simultaneously, thereby improve device's security, convenient to use.

2. The utility model discloses a hydraulic stretching arm, the second hydraulic stem, the setting of lift platform and third hydraulic stem, hydraulic stretching arm and second hydraulic stem are prior art, through the extension and the shortening of the inside hydraulic structure control hydraulic stretching arm of hydraulic stretching arm, the extension and the shortening of control second hydraulic stem, can adjust hydraulic stretching arm inclination, thereby adjust lift platform's position, setting through the third hydraulic stem, the extension and the shortening of control third hydraulic stem, can be when adjusting the lift platform position, change lift platform and hydraulic stretching arm's contained angle, thereby guarantee that lift platform keeps perpendicularly.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the chassis body and the supporting plate of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the storage bin and the fixing frame of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 3 according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the accommodating groove and the supporting rod of the present invention.

In the figure: 1. a chassis body; 2. an adjustment mechanism; 21. a storage bin; 22. a support plate; 23. a receiving groove; 24. a support bar; 25. a first limit hole; 26. a fixed mount; 27. a first limit rod; 28. a first hydraulic lever; 29. a drop-proof groove; 210. an anti-drop block; 211. a fixed seat; 212. a spring; 213. operating the disc; 214. a second limiting rod; 215. a second limiting hole; 3. a hydraulic telescopic arm; 4. a second hydraulic rod; 5. a lifting platform; 6. a third hydraulic ram.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

This embodiment provides a crawler-type chassis structure of high altitude construction car variable width, and the device can adjust the width of collecting storage 21 to at the support area of during operation increase chassis body 1, thereby improve the stability of device, avoid fixed chassis can't the stable support hydraulic stretching arm 3 and lift platform 5, avoid toppling over the condition simultaneously and take place, thereby improve the security of device, convenient to use.

Referring to fig. 1, fig. 2 and fig. 3, but high altitude construction car variable width's crawler-type chassis structure, including chassis body 1, install track and power device on the chassis body 1, crawler-type moving means has little to ground unit pressure, it is sunken little, the adhesive force is strong, the advantage of traveling throughput capacity reinforce, chassis body 1's outside is provided with two symmetrical adjustment mechanism 2, adjustment mechanism 2 is including seting up the containing storage 21 at chassis body 1 surface, the inner wall sliding connection of containing storage 21 has backup pad 22, containing storage 21 plays the guide effect for the removal of backup pad 22, can withdraw backup pad 22 to containing storage 21 when not using simultaneously.

Refer to fig. 2, fig. 3 and fig. 5, the groove 23 has been seted up to accomodate to backup pad 22's surface, the inner wall of accomodating groove 23 articulates through the round pin axle has a bracing piece 24, after the operation, can withdraw the bracing piece 24 to accomodating in the groove 23, be convenient for accomodating of bracing piece 24, first spacing hole 25 has been seted up to the surface of bracing piece 24, chassis body 1's external fixed surface is connected with mount 26, mount 26's inside is provided with first gag lever post 27, the bottom surface fixedly connected with of backup pad 22 has two symmetrical first hydraulic stem 28, first hydraulic stem 28 is prior art, the bottom fixedly connected with cushion of first hydraulic stem 28, control first hydraulic stem 28 extension, make cushion and ground contact, thereby make first hydraulic stem 28 play the supporting role for the device.

Referring to fig. 3, the first limiting rod 27 penetrates through the fixing frame 26 and is clamped with the fixing frame 26, the first limiting rod 27 is matched with the first limiting hole 25, the first limiting rod 27 can be pulled out of the fixing frame 26, meanwhile, the fixing frame 26 is connected with the first limiting rod 27 through a rope, the first limiting rod 27 is prevented from falling off the fixing frame 26 and being lost, and when the first limiting rod 27 is inserted into the first limiting hole 25, the supporting rod 24 supports the supporting plate 22, so that the supporting plate 22 is more stable.

Referring to fig. 2 and 3, two symmetrical anticreep grooves 29 have been seted up to chassis body 1's surface, and the fixed surface of backup pad 22 is connected with two symmetrical anticreep pieces 210, and anticreep piece 210 sliding connection is at the inner wall of anticreep groove 29, and anticreep groove 29 plays the guide effect for anticreep piece 210's removal, through anticreep groove 29 and anticreep piece 210's setting, plays limiting displacement for backup pad 22, avoids backup pad 22 to break away from in the storage silo 21.

Referring to fig. 3 and 4, the outer surface of the chassis body 1 is fixedly connected with two symmetrical fixing seats 211, the outer surface of the fixing seat 211 is fixedly connected with a spring 212, one end of the spring 212 far away from the fixing seat 211 is fixedly connected with an operation disc 213, one side of the operation disc 213 near the spring 212 is fixedly connected with a second limiting rod 214, the second limiting rod 214 penetrates through the fixing seat 211 and is slidably connected with the fixing seat 211, when the second limiting rod 214 is inserted into a second limiting hole 215, the spring 212 is in a normal state, when the second limiting rod 214 is pulled out of the second limiting hole 215, the operation disc 213 stretches the spring 212, the outer surface of the support plate 22 is provided with two symmetrical second limiting holes 215, the second limiting hole 215 is matched with the second limiting rod 214, when the second limiting rod 214 is inserted into the second limiting hole 215, the support plate 22 is limited, and the support plate 22 is prevented from being unintentionally slid out of the storage bin 21.

Referring to fig. 1, the upper surface of chassis body 1 articulates through the round pin axle has hydraulic stretching arm 3, the upper surface of chassis body 1 articulates through the round pin axle has second hydraulic stem 4, the one end that chassis body 1 was kept away from to second hydraulic stem 4 articulates the surface at hydraulic stretching arm 3 through the round pin axle, hydraulic stretching arm 3 and second hydraulic stem 4 are prior art, through the extension and the shortening of 3 inside hydraulic structure control hydraulic stretching arms 3 of hydraulic stretching arm, the extension and the shortening of control second hydraulic stem 4, can adjust 3 inclination of hydraulic stretching arm, thereby adjust the position of lift platform 5.

Referring to fig. 1, the one end that chassis body 1 was kept away from to hydraulic stretching arm 3 articulates through the round pin axle has lift platform 5, lift platform 5's surface articulates through the round pin axle has third hydraulic stem 6, lift platform 5's one end is kept away from to third hydraulic stem 6 articulates through the round pin axle at hydraulic stretching arm 3's surface, setting through third hydraulic stem 6, control third hydraulic stem 6's extension and shortening, can be when adjusting lift platform 5 positions, change lift platform 5 and hydraulic stretching arm 3's contained angle, thereby guarantee that lift platform 5 keeps perpendicularly.

The working principle is as follows: during the use, pulling operation disc 213, when making second gag lever post 214 extract from second spacing hole 215, operation disc 213 can extension spring 212, and contact the spacing to backup pad 22, extract backup pad 22 from storage bin 21, shift out bracing piece 24 from receiving groove 23, make bracing piece 24 place on mount 26, insert first gag lever post 27 simultaneously in mount 26 and first spacing hole 25, make bracing piece 24 play the supporting role for backup pad 22, thereby make backup pad 22 more firm, control first hydraulic stem 28 extension, make the cushion and ground contact, thereby make first hydraulic stem 28 play the supporting role for the device, the device can adjust the width of storage bin 21, thereby at the during operation increase chassis body 1's supporting area, thereby improve the stability of device, avoid fixed chassis can't stably support hydraulic telescoping arm 3 and lift platform 5, avoid toppling over the condition to take place simultaneously, thereby improve the security of device, and convenient to use.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Variable width's crawler-type chassis structure of high altitude construction car, including chassis body (1), its characterized in that: the outer portion of chassis body (1) is provided with two symmetrical adjustment mechanism (2), adjustment mechanism (2) are including offering storage chamber (21) at chassis body (1) surface, the inner wall sliding connection of storage chamber (21) has backup pad (22), the surface of backup pad (22) has been seted up and has been accomodate groove (23), the inner wall of accomodating groove (23) articulates through the round pin axle has bracing piece (24), first spacing hole (25) have been seted up to the surface of bracing piece (24), the external fixed surface of chassis body (1) is connected with mount (26), the inside of mount (26) is provided with first gag lever post (27), the bottom surface fixedly connected with two symmetrical first hydraulic stem (28) of backup pad (22).

2. The aerial lift truck variable width tracked chassis structure of claim 1, wherein: the first limiting rod (27) penetrates through the fixing frame (26) and is clamped with the fixing frame (26), and the first limiting rod (27) is matched with the first limiting hole (25).

3. The aerial lift truck variable width tracked chassis structure of claim 1, wherein: two symmetrical anti-falling grooves (29) are formed in the outer surface of the chassis body (1), two symmetrical anti-falling blocks (210) are fixedly connected to the outer surface of the supporting plate (22), and the anti-falling blocks (210) are connected to the inner wall of the anti-falling grooves (29) in a sliding mode.

4. The aerial lift truck variable width tracked chassis structure of claim 1, wherein: the outer fixed surface of chassis body (1) is connected with two symmetrical fixing base (211), the outer fixed surface of fixing base (211) is connected with spring (212), one end fixedly connected with operation disc (213) of fixing base (211) are kept away from in spring (212), a side fixedly connected with second gag lever post (214) that operation disc (213) are close to spring (212), second gag lever post (214) run through fixing base (211) and with fixing base (211) sliding connection.

5. The aerial lift truck variable width tracked chassis structure of claim 4, wherein: two symmetrical second limiting holes (215) are formed in the outer surface of the supporting plate (22), and the second limiting holes (215) are matched with second limiting rods (214).

6. The aerial lift truck variable width tracked chassis structure of claim 1, wherein: the chassis is characterized in that the upper surface of the chassis body (1) is hinged with a hydraulic telescopic arm (3) through a pin shaft, the upper surface of the chassis body (1) is hinged with a second hydraulic rod (4) through a pin shaft, and one end, far away from the chassis body (1), of the second hydraulic rod (4) is hinged to the outer surface of the hydraulic telescopic arm (3) through a pin shaft.

7. The aerial lift truck variable width tracked chassis structure of claim 6, wherein: the chassis is characterized in that one end, far away from the chassis body (1), of the hydraulic telescopic arm (3) is hinged to a lifting platform (5) through a hinge pin, the outer surface of the lifting platform (5) is hinged to a third hydraulic rod (6) through a hinge pin, and one end, far away from the lifting platform (5), of the third hydraulic rod (6) is hinged to the outer surface of the hydraulic telescopic arm (3) through a hinge pin.