CN214243533U

CN214243533U - Automobile crane boom barrel mechanism

Info

Publication number: CN214243533U
Application number: CN202023163262.XU
Authority: CN
Inventors: 盛新; 刘星
Original assignee: Hunan Shengfuji Electromechanical Technology Co ltd
Current assignee: Hunan Shengfuji Electromechanical Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-21
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a mobile crane cantilever barrel mechanism relates to mobile crane technical field, including the base, base upper surface left end movable mounting has rotating device, and rotating device right side fixed surface installs flexible strutting arrangement, and rotating device right end movable mounting has hoisting accessory. The utility model discloses an increase strutting arrangement and central gusset, antedisplacement strong point position, change support angle simultaneously, make the holding power bigger and the conversion rate higher, improve the support performance, increase central gusset, can play inside supporting role to the boom barrel, prevent that the boom barrel from appearing the damage such as bending, increase fixed fill, will lift by crane the fill through the fixed four walls of fighting and fix in fixed fill, prevent to lift by crane the fill and rock, make the lifting bucket more stable when the hoist removes, can not rock and cause the damage to the hoist, the lifting bucket need not fix at the locomotive front end through the couple simultaneously, avoid sheltering from the driver sight and causing the traffic accident because of lifting by crane the fill.

Description

Automobile crane boom barrel mechanism

Technical Field

The utility model relates to a mobile crane relates to mobile crane technical field, concretely relates to mobile crane stretches arm barrel mechanism.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a gantry crane, a crane and a tire crane, and is mainly characterized in that: the running cab and the crane control cab are integrated into a whole and are formed by the evolution of a crawler crane, the crawler and the walking bracket part of a walking mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages the road surface is overcome, and the crawler crane belongs to material handling machinery. The following problems exist in the prior art:

1. when the lifted object is too heavy, the fulcrum of the lower telescopic hydraulic cylinder is too lower, the angle is too small, and the supporting force is insufficient, so that the crane is easy to turn on one side and the telescopic arm cylinder is easy to bend and damage;

2. when the automobile crane moves, the front-mounted lifting bucket is usually fixed at the front end of the automobile head through the hook, so that the sight of a driver is shielded in the automobile running process, and traffic accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automobile crane jib barrel mechanism, wherein one purpose is to improve the supporting and bearing capacity of the automobile crane jib barrel mechanism and solve the problem of insufficient supporting force when lifting heavy objects; the other purpose is to solve the problem that the lifting bucket is arranged in the front and is used as the sight of a driver, so that the effect of avoiding traffic accidents caused by sight shielding is achieved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

an automobile crane boom barrel mechanism comprises a base, wherein a rotating device is movably mounted at the left end of the upper surface of the base, a telescopic supporting device is fixedly mounted on the surface of the right side of the rotating device, and a lifting device is movably mounted at the right end head of the rotating device;

the telescopic supporting device comprises a telescopic device and a supporting device, the telescopic device is fixedly installed on the upper surface of the right side of the rotating device and the lower surface of the left side of the rotating device, and the supporting device is fixedly installed on the lower surface of the right side of the rotating device.

The utility model discloses technical scheme's further improvement lies in: the rotating device comprises a turntable, the turntable is movably mounted at the left end of the upper surface of the base, a support is fixedly mounted on the upper surface of the turntable, and an arm stretching cylinder is movably mounted inside the support.

The utility model discloses technical scheme's further improvement lies in: the telescopic boom cylinder comprises an upper cover plate, a lower cover plate is welded at the lower end of the upper cover plate, and a central rib plate is fixedly welded in the middle between the upper cover plate and the lower cover plate.

The utility model discloses technical scheme's further improvement lies in: the telescopic device comprises an upper telescopic hydraulic cylinder and a lower telescopic hydraulic cylinder, the upper telescopic hydraulic cylinder is fixedly mounted on the upper surface of the right end of the boom cylinder body, the right end of the lower telescopic hydraulic cylinder is movably connected to the lower end of the left side of the boom cylinder body, and the left end of the lower telescopic hydraulic cylinder is movably mounted on the right surface of the rotary disc.

The utility model discloses technical scheme's further improvement lies in: the support device comprises a support hydraulic cylinder, the right end of the support hydraulic cylinder is movably mounted on the lower surface of the right side of the boom barrel, a support base is fixedly mounted on the left side of the support hydraulic cylinder, and a fixing device is arranged on the upper surface of the support hydraulic cylinder and on the lower surface of the boom barrel.

The utility model discloses technical scheme's further improvement lies in: fixing device is including shrink wheel and mount, shrink wheel movable mounting is in stretching arm barrel right side lower surface, mount fixed mounting is in shrink wheel left side, mount surface movable mounting has the fixed pin, shrink wheel surface movable mounting has the shrink steel cable, shrink steel cable lower extreme fixed connection supports the pneumatic cylinder upper surface.

The utility model discloses technical scheme's further improvement lies in: the lifting device comprises a lifting wheel, the lifting wheel is movably mounted at the right end of the boom cylinder, a fixed bucket is fixedly mounted below the lifting wheel and at the right end of the boom cylinder, a lifting steel cable is movably connected to the surface of the lifting wheel, and the lower end of the lifting steel cable is fixedly connected with the lifting bucket.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides an automobile crane stretches arm barrel mechanism, this utility model discloses increase strutting arrangement and central gusset, it is lighter when the hoist plays to hang the thing, the telescopic hydraulic cylinder changes stretching arm barrel angle and height under the accessible, play the supporting role to whole stretching arm barrel simultaneously, further change stretching arm barrel height through last telescopic hydraulic cylinder simultaneously, when the hoist lifts by crane overweight article, extract the fixed pin, control shrink steel cable will support the pneumatic cylinder through the shrink wheel and slowly put down to perpendicular with stretching arm barrel, it supports stretching arm barrel to start the support pneumatic cylinder, antedisplacement bracing point position, change support angle simultaneously, make the holding power bigger and the conversion rate higher, improve support performance, inside central gusset that increases simultaneously, can play inside supporting role to stretching arm barrel, prevent to stretch arm barrel damage such as crooked from appearing.

2. The utility model provides an automobile crane stretches arm barrel mechanism, the utility model discloses increase fixed fill, when the hoist finishes to lift by crane and need remove, lift by crane the steel cable shrink, drive through the lifting wheel and lift by crane the bucket shrink, lift by crane the bucket shrink to fixed fill in, will lift by crane the bucket through fixed four walls of fighting and fix in fixed fill, prevent to lift by crane the bucket and rock, it is more stable when the hoist removes to make to lift by crane the bucket, can not rock and cause the damage to the hoist, it need not fix at the locomotive front end through the couple to lift by crane the bucket simultaneously, avoid sheltering from the driver sight and cause the traffic accident because of lifting by crane the bucket.

Drawings

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

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the boom cylinder structure of the present invention;

fig. 4 is a schematic structural view of the supporting device of the present invention;

fig. 5 is a schematic structural view of the fixing device of the present invention;

fig. 6 is a schematic structural view of the hoisting device of the present invention.

In the figure: 1. a base; 2. a rotating device; 21. a turntable; 22. a support; 23. an arm extending cylinder; 231. an upper cover plate; 232. a lower cover plate; 233. a central rib plate;

3. a telescopic support device; 31. a telescoping device; 32. a support device; 311. an upper telescopic hydraulic cylinder; 312. a lower telescopic hydraulic cylinder; 321. a support hydraulic cylinder; 322. a support base; 323. a fixing device; 3231. a shrink wheel; 3232. a fixed mount; 3233. a fixing pin; 3234. contracting the steel cable;

4. a hoisting device; 41. lifting wheels; 42. a fixed hopper; 43. lifting the bucket; 44. and hoisting the steel cable.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-6, the utility model provides a mobile crane boom cylinder mechanism, including base 1, base 1 upper surface left end movable mounting has rotating

device

2, and 2 right sides fixed surface of rotating device install

flexible strutting arrangement

3, and 2 right-hand member heads movable mounting of rotating device have hoisting accessory 4.

In the embodiment, the rotating device 2 adjusts the hoisting direction of the crane, the telescopic supporting device 3 adjusts the hoisting height and angle, and the hoisting device 4 is responsible for connecting and fixing the hoisted object.

As shown in fig. 1-6, in this embodiment, preferably, the rotating device 2 includes a rotating disc 21, the rotating disc 21 is movably mounted at the left end of the upper surface of the base 1, a support 22 is fixedly mounted on the upper surface of the rotating disc 21, an arm cylinder 23 is movably mounted inside the support, the rotating disc 21 can drive the whole device to rotate, and the direction of the arm cylinder 23 is adjusted, the support 22 is responsible for rotating and supporting the arm cylinder 23, and the arm cylinder 23 is a main stress unit during hoisting.

Example 2

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the telescopic supporting device 3 comprises a telescopic device 31 and a supporting device 32, the telescopic device 31 is fixedly installed on the upper surface of the right side and the lower surface of the left side of the rotating device 2, the supporting device 32 is fixedly installed on the lower surface of the right side of the rotating device 2, the boom cylinder 23 comprises an upper cover plate 231, a lower cover plate 232 is welded at the lower end of the upper cover plate 231, a central rib plate 233 is fixedly welded at the middle position between the upper cover plate 231 and the lower cover plate 232, the telescopic device 31 comprises an upper telescopic hydraulic cylinder 311 and a lower telescopic hydraulic cylinder 312, the upper telescopic hydraulic cylinder 311 is fixedly installed on the upper surface of the right end of the boom cylinder 23, the right end of the lower telescopic hydraulic cylinder 312 is movably connected to the lower end of the left side of the boom cylinder 23, the left end of the lower telescopic hydraulic cylinder 312 is movably installed on the right surface of the turntable 21, the supporting device 32 comprises a supporting hydraulic cylinder 321, the right end of the supporting hydraulic cylinder 321 is movably installed on the lower surface of the right side of the boom cylinder 23, a supporting base 322 is fixedly arranged at the left side of the supporting hydraulic cylinder 321, a fixing device 323 is arranged on the upper surface of the supporting hydraulic cylinder 321 and on the lower surface of the extending arm cylinder 23, the fixing device 323 comprises a contraction wheel 3231 and a fixing frame 3232, the contraction wheel 3231 is movably arranged on the lower surface of the right side of the extending arm cylinder 23, the fixing frame 3232 is fixedly arranged at the left side of the contraction wheel 3231, a fixing pin 3233 is movably arranged on the surface of the fixing frame 3232, a contraction steel cable 3234 is movably arranged on the surface of the contraction wheel 3231, the lower end of the contraction steel cable 3234 is fixedly connected to the upper surface of the supporting hydraulic cylinder 321, when the crane lifts and hangs objects lightly, the angle and the height of the extending arm cylinder 23 can be changed through the lower expansion hydraulic cylinder 312, the whole extending arm cylinder 23 is supported, the height of the extending arm cylinder 23 is further changed through the upper expansion hydraulic cylinder 311, when the crane lifts and hangs the overweight objects, the fixing pin 3233 is pulled out, the contraction steel cable 3234 is controlled to slowly lower the supporting hydraulic cylinder 321 through the contraction wheel 3231 to be vertical to the extending arm cylinder 23, the supporting hydraulic cylinder 321 is started to support the boom cylinder 23, the position of the supporting point is moved forward, and the supporting angle is changed, so that the supporting force is larger, the conversion rate is higher, the supporting performance is improved, and meanwhile, the central rib plate 233 is additionally arranged in the boom cylinder 23, and the internal supporting function of the boom cylinder 23 can be achieved.

Example 3

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the hoisting device 4 comprises a hoisting wheel 41, the hoisting wheel 41 is movably mounted at the right end of the boom cylinder 23, a fixed bucket 42 is fixedly mounted below the hoisting wheel 41 and at the right end of the boom cylinder 23, a hoisting cable 44 is movably connected to the surface of the hoisting wheel 41, a hoisting bucket 43 is fixedly connected to the lower end of the hoisting cable 44, the hoisting cable 44 is contracted, the hoisting bucket 43 is driven to be contracted by the hoisting wheel 41, the hoisting bucket 43 is contracted into the fixed bucket 42, the hoisting bucket 43 is fixed in the fixed bucket 42 through four walls of the fixed bucket 42, the hoisting bucket 43 is prevented from shaking, and the hoisting bucket 43 is more stable when the crane moves.

The working principle of the truck crane boom cylinder mechanism is described in detail below.

As shown in fig. 1-6, when the lifted object of the crane is light, the lower telescopic hydraulic cylinder 312 is started to change the angle and height of the boom cylinder 23, and simultaneously the whole boom cylinder 23 is supported, the upper telescopic hydraulic cylinder 311 is started to further change the height of the boom cylinder 23, when the crane lifts an overweight object, the fixing pin 3233 is pulled out, the supporting hydraulic cylinder 321 is slowly lowered to be vertical to the boom cylinder 23 by controlling the contraction wheel 3231 by controlling the contraction steel cable 3234, the supporting hydraulic cylinder 321 is started to support the boom cylinder 23, and then the lifting bucket 43 is driven to work by controlling the lifting steel cable 44.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides an automobile crane boom barrel mechanism, includes base (1), its characterized in that: a rotating device (2) is movably mounted at the left end of the upper surface of the base (1), a telescopic supporting device (3) is fixedly mounted on the right side surface of the rotating device (2), and a lifting device (4) is movably mounted at the right end of the rotating device (2);

the telescopic supporting device (3) comprises a telescopic device (31) and a supporting device (32), the telescopic device (31) is fixedly installed on the upper surface of the right side of the rotating device (2) and the lower surface of the left side of the rotating device, and the supporting device (32) is fixedly installed on the lower surface of the right side of the rotating device (2).

2. The reach cylinder mechanism of the truck crane according to claim 1, wherein: rotating device (2) is including carousel (21), carousel (21) movable mounting is in base (1) upper surface left end, fixed surface installs support (22) on carousel (21), the inside movable mounting of support has outrigger barrel (23).

3. The reach cylinder mechanism of the truck crane as claimed in claim 2, wherein: the cantilever cylinder (23) comprises an upper cover plate (231), a lower cover plate (232) is welded at the lower end of the upper cover plate (231), and a central rib plate (233) is fixedly welded in the middle between the upper cover plate (231) and the lower cover plate (232).

4. The reach cylinder mechanism of the truck crane according to claim 1, wherein: telescoping device (31) including last flexible pneumatic cylinder (311) and lower flexible pneumatic cylinder (312), go up flexible pneumatic cylinder (311) fixed mounting in outrigger barrel (23) right end upper surface, flexible pneumatic cylinder (312) right-hand member swing joint is in outrigger barrel (23) left side lower extreme down, flexible pneumatic cylinder (312) left end movable mounting is in carousel (21) right surface down.

5. The reach cylinder mechanism of the truck crane according to claim 1, wherein: strutting arrangement (32) are including supporting pneumatic cylinder (321), support pneumatic cylinder (321) right-hand member movable mounting is in stretching arm barrel (23) right side lower surface, support pneumatic cylinder (321) left side fixed mounting has support base (322), support pneumatic cylinder (321) upper surface and stretch arm barrel (23) lower surface and be provided with fixing device (323).

6. The reach cylinder mechanism of the truck crane as claimed in claim 5, wherein: fixing device (323) is including shrink wheel (3231) and mount (3232), shrink wheel (3231) movable mounting is in stretching arm barrel (23) right side lower surface, mount (3232) fixed mounting is in shrink wheel (3231) left side, mount (3232) surface activity installs fixed pin (3233), shrink wheel (3231) surface activity installs shrink steel cable (3234), shrink steel cable (3234) lower extreme fixed connection is in support hydraulic cylinder (321) upper surface.

7. The reach cylinder mechanism of the truck crane according to claim 1, wherein: the lifting device (4) comprises a lifting wheel (41), the lifting wheel (41) is movably mounted at the right end of the boom cylinder body (23), a fixed bucket (42) is fixedly mounted below the lifting wheel (41) and at the right end of the boom cylinder body (23), a lifting steel cable (44) is movably connected to the surface of the lifting wheel (41), and a lifting bucket (43) is fixedly connected to the lower end of the lifting steel cable (44).