CN216271247U

CN216271247U - Two-stage telescopic carriage detachable garbage truck draw arm hook

Info

Publication number: CN216271247U
Application number: CN202122538992.1U
Authority: CN
Inventors: 董鸣勇; 张桓
Original assignee: Zhongzhen Hanjiang Equipment Technology Co ltd
Current assignee: Zhongzhen Hanjiang Equipment Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-12
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a detachable garbage truck draw arm hook with a two-stage telescopic carriage, wherein a roll-over stand is connected with a bottom frame, the roll-over arm is hinged with the roll-over stand through a roll-over shaft, a first-stage telescopic arm is connected with the roll-over arm in a sliding mode, the other end of the first-stage telescopic arm is connected with a second-stage telescopic arm in a sliding mode, the second-stage telescopic arm is hinged with a swing arm through a swing arm shaft, one end of a lifting oil cylinder is hinged to the bottom frame, the other end of the lifting oil cylinder is hinged with one end of the roll-over arm, two ends of a telescopic arm oil cylinder are respectively connected with the second-stage telescopic arm and the roll-over arm, one end of a swing arm oil cylinder is hinged with the second-stage telescopic arm, and the other end of the swing arm oil cylinder is hinged with the swing arm. The utility model has the beneficial effects that: the utility model is provided with the two-stage telescopic arm, the one-stage telescopic arm and the turnover arm, the two-stage telescopic arm has larger extension and contraction amount, the problem of insufficient telescopic length can be effectively solved, and the two-stage telescopic arm can be completely retracted into the turnover arm under the action of the telescopic arm oil cylinder, thereby being convenient for operation in a relatively low space.

Description

Two-stage telescopic carriage detachable garbage truck draw arm hook

Technical Field

The utility model relates to the technical field of garbage transport vehicles, in particular to a two-stage telescopic carriage detachable garbage truck draw arm hook.

Background

The garbage truck with the detachable carriage is mainly used for transporting garbage and collecting garbage in various blocks such as roads, streets and communities, but is limited by conditions such as the height of an operation site in certain special areas (for example, an underground garage with the height limited by 2.2 meters), and the pull arm hook of the conventional garbage truck with the detachable carriage is in a primary telescopic arm form.

The Chinese patent discloses a garbage truck with a detachable carriage (application number: CN201520766971.7), which belongs to the field of sanitation and aims to overcome the defects in the prior art, so that the garbage truck can be uniformly loaded and unloaded by one person.

The telescopic length of the telescopic arm in the prior art is short, if the length of the telescopic arm is lengthened, the total length of the draw arm hook is correspondingly longer, and the space required during the actions of hooking and unloading the garbage box is larger, so that the carriage detachable garbage truck using the draw arm hook with the conventional one-stage telescopic arm structure can only adopt a vehicle type with smaller tonnage and length when operating in a low space, otherwise, the draw arm hook is difficult to completely extend, and the normal operation is caused.

Therefore, the two-stage retractable carriage detachable garbage truck draw arm hook is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model aims to provide a two-stage telescopic carriage detachable garbage truck draw-arm hook to solve the problems.

A two-stage telescopic carriage detachable garbage truck draw arm hook comprises a swing arm, a two-stage telescopic arm, a one-stage telescopic arm, a turnover frame, a box locking device, a bottom frame, a rear roller, a turnover shaft, a swing arm oil cylinder, a telescopic arm oil cylinder and a lifting oil cylinder, the turnover frame is connected with the chassis, the turnover arm is hinged with the turnover frame through a turnover shaft, one end of the primary telescopic arm is connected with the turnover arm in a sliding way, the other end of the first-stage telescopic arm is connected with one end of the second-stage telescopic arm in a sliding way, the second-stage telescopic arm is hinged with the swinging arm through a swinging arm shaft, one end of the lifting oil cylinder is hinged on the underframe, the other end of the lifting oil cylinder is hinged with one end of the turnover arm, the two ends of the telescopic arm oil cylinder are respectively connected with the second-stage telescopic arm and the turnover arm, one end of the swing arm oil cylinder is hinged with the second-stage telescopic arm, and the other end of the swing arm oil cylinder is hinged with the swing arm.

Preferably, a lock frame is arranged at the upper part of the roll-over stand.

Preferably, the end part of the roll-over stand is provided with a rear roller.

Preferably, the other end of the swing arm is provided with a hook, and the hook is provided with a spring lock catch.

Preferably, the lower part of the turnover arm is provided with a spring lock hook.

Compared with the prior art, the utility model has the beneficial effects that: the two-stage telescopic arm can be completely retracted into the overturning arm under the action of the telescopic oil cylinder, so that the operation height of box hooking and box unloading cannot be increased, and the operation in a relatively low space is facilitated.

Drawings

FIG. 1 is a view of the two stage telescoping car detachable garbage truck draw arm hook configuration of the present invention;

FIG. 2 is a schematic view of the present invention with the telescoping arm extended;

FIG. 3 is a schematic view of the telescopic arm of the present invention in a contracted state;

FIG. 4 is a schematic view of the telescopic boom of the present invention in an inverted state;

fig. 5 to 8 are schematic views of the loading process state of the carriage of the present invention.

Reference numbers in the figures: 1. a swing arm; 2. a secondary telescopic arm; 3. a first stage telescopic arm; 4. a turning arm; 5. a roll-over stand; 6. locking the frame; 7. a chassis; 8. a rear roller; 9. a turning shaft; 10. a swing arm shaft; 11. a swing arm cylinder; 12. a telescopic arm oil cylinder; 13. lifting the oil cylinder; 14. hooking; 15. a spring lock catch; 16. a spring latch hook; 17. a carriage; 18. a garbage transport vehicle.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 and fig. 2 to 8, a two-stage retractable carriage detachable garbage truck draw arm hook comprises a swing arm 1, a two-stage retractable arm 2, a one-stage retractable arm 3, a turning arm 4, a turning frame 5, a bottom frame 7, a turning shaft 9, a swing arm shaft 10, a swing arm cylinder 11, a retractable arm cylinder 12 and a lifting cylinder 13, wherein the turning frame 5 is connected with the bottom frame 7, the turning arm 4 is hinged with the turning frame 5 through the turning shaft 9, one end of the one-stage retractable arm 3 is slidably connected with the turning arm 1, the other end of the one-stage retractable arm 3 is slidably connected with one end of the two-stage retractable arm 3, the two-stage retractable arm 2 is hinged with the swing arm 1 through the swing arm shaft 10, one end of the lifting cylinder 13 is hinged with the bottom frame 7, the other end of the lifting cylinder is hinged with one end of the turning arm 4, two ends of the retractable arm cylinder 12 are respectively connected with the two-stage retractable arm 2 and the turning arm 4, one end of the swing arm oil cylinder 11 is hinged with the second-stage telescopic arm 2, and the other end of the swing arm oil cylinder 11 is hinged with the swing arm 1.

Further, a lock frame 6 is arranged at the upper part of the roll-over stand 5.

The beneficial effects of the further technical scheme are that: the carriage 17 is fixed and locked by the lock frame 6, so that the carriage 17 is prevented from falling down in transportation, and the carriage 17 can also be fixed by a steel wire rope through the lock frame 6.

Further, the rear end part of the roll-over stand 5 is provided with a rear roller 8.

The beneficial effects of the further technical scheme are that: the rear roller 8 reduces friction force, and the carriage can be pushed and pulled conveniently.

Further, the other end of the swing arm 1 is provided with a hook 14, and the hook 14 is provided with a spring lock catch 15.

The beneficial effects of the further technical scheme are that: the hook 14 is used for hanging a hanging rack of a carriage 17, and the spring lock catch 15 prevents the hook 14 from falling off.

Further, a spring locking hook 16 is arranged at the lower part of the turning arm 4.

The beneficial effects of the further technical scheme are that: when the lifting oil cylinder 13 is completely retracted, the turnover arm 4 is attached to the bottom frame 7, and the spring lock hook 16 is hooked on the turnover frame 5 to lock and fix the turnover arm 4.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the two-stage telescopic arm 2, the one-stage telescopic arm 3 and the turnover arm 4, the extension and contraction amount of the two-stage telescopic arm is larger, the problem of insufficient extension and contraction length can be effectively solved, the two-stage telescopic arm can be completely retracted into the turnover arm 4 under the action of the telescopic arm oil cylinder 12, the operation height of loading and unloading the carriage 17 can not be increased, and the operation in a relatively low space is convenient.

When the horizontal distance between the center of the hook 14 and a rear roller on the roll-over stand 5 is not less than 3.15 m under the fully extended state of two-stage telescopic arms (a first-stage telescopic arm 3 and a second-stage telescopic arm 2) of the draw-arm hook, the maximum height of the roll-over operation of the hook 14 of the swing arm 1 hooking the carriage 17 and unloading the carriage 17 is not more than 1.4 m; the horizontal distance between the center of the hook head and the rear roller of the roll-over stand is not less than 2.05 m when the two-stage telescopic arms of the draw-arm hook are in a fully-retracted state.

The two-stage telescopic arm (the first-stage telescopic arm 3 and the second-stage telescopic arm 2) of the draw-arm hook is controlled by a telescopic arm oil cylinder, can be extended in two stages in an extending state as shown in figure 2, and can be retracted in an inner cavity of the turning arm 4 in a recovery state as shown in figure 3.

The swing arm is used for further reducing the height of the box during unloading, and when the swing arm is in a car unloading state, the swing arm oil cylinder draws and inclines backwards by about 30 degrees.

The working principle is as follows:

when unloading the carriage 17: starting an oil pump switch, starting retraction work of the telescopic arm oil cylinder 12, enabling the primary telescopic arm 3 and the secondary telescopic arm 3 to retract into the turnover arm 4, pushing the carriage 17 to the outside of the vehicle, starting work of the swing arm oil cylinder 11 after the retraction work of the telescopic arm oil cylinder 12 is completed, retracting the swing arm oil cylinder 11, enabling the swing arm 1 to tilt backwards or backwards by about 30 degrees, starting extension work of the lifting oil cylinder 13 after the swing arm action is completed, enabling the lifting oil cylinder 13 to push the turnover arm 4 to do turnover motion around the turnover shaft 9, meanwhile, enabling the carriage 17 to slide towards the ground along the rear roller 8, and when the carriage 17 is completely pushed into the ground, disengaging the hook 14 from the carriage 17, and completing work of unloading the carriage 17.

When loading the carriage 17: when the front section of the draw-arm hook works in the same process as that of the unloading carriage 17, the telescopic arm oil cylinder 11 starts to retract, so that the first-stage telescopic arm 3 and the second-stage telescopic arm 2 retract into the overturning arm 4, after the retraction work of the telescopic arm oil cylinder 12 is completed, the swing arm oil cylinder 10 starts to work, the swing arm oil cylinder 10 retracts, so that the swing arm 1 moves backwards, the lifting oil cylinder 12 starts to extend after the swing arm action is completed, the lifting oil cylinder 13 pushes the overturning arm to perform overturning motion around the overturning shaft 9 (wherein the swinging motion of the swing arm can also be completed after the lifting oil cylinder 13 completes the overturning motion on the overturning arm 1), and the hook 14 is connected with a hanger of the carriage 17; as shown in fig. 5 to 8, after the hook 14 of the swing arm 1 hooks the carriage 17, the lifting cylinder 13 starts to perform retraction work to pull the carriage 17 into the frame of the garbage transport vehicle 18, when the carriage 17 is pulled into the frame, the lifting cylinder 13 completes retraction lifting work at the same time, then the telescopic arm cylinder 12 performs extension work, the primary telescopic arm 3 and the secondary telescopic arm 2 are extended, so that the carriage 17 is completely pulled into the frame of the garbage transport vehicle 19, and when the telescopic arm cylinder 12 completes extension work, the carriage is locked by locking the frame 6, and carriage loading work is completed.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a telescopic carriage detachable garbage truck draw arm hook of two-stage which characterized in that: comprises a swing arm (1), a secondary telescopic arm (2), a primary telescopic arm (3), a turnover arm (4), a turnover frame (5), a chassis (7), a turnover shaft (9), a swing arm shaft (10), a swing arm oil cylinder (11), a telescopic arm oil cylinder (12) and a lifting oil cylinder (13), wherein the turnover frame (5) is connected with the chassis (7), the turnover arm (4) is hinged with the turnover frame (5) through the turnover shaft (9), one end of the primary telescopic arm (3) is in sliding connection with the turnover arm (4), the other end of the primary telescopic arm (3) is in sliding connection with one end of the secondary telescopic arm (2), the secondary telescopic arm (2) is hinged with the swing arm (1) through the swing arm shaft (10), one end of the lifting oil cylinder (13) is hinged on the chassis (7), and the other end of the lifting oil cylinder (13) is hinged with one end of the turnover arm (4), the two ends of the telescopic arm oil cylinder (12) are respectively connected with the second-stage telescopic arm (2) and the turnover arm (4), one end of the swing arm oil cylinder (11) is hinged with the second-stage telescopic arm (2), and the other end of the swing arm oil cylinder (11) is hinged with the swing arm (1).

2. A two stage telescoping car removable garbage truck draw arm hook as claimed in claim 1, wherein: and a lock frame (6) is arranged at the upper part of the roll-over stand (5).

3. A two stage telescoping car removable garbage truck draw arm hook as claimed in claim 1, wherein: the rear end part of the roll-over stand (5) is provided with a rear roller (8).

4. A two stage telescoping car removable garbage truck draw arm hook as claimed in claim 1, wherein: the other end of the swing arm (1) is provided with a hook (14), and the hook (14) is provided with a spring lock catch (15).

5. A two stage telescoping car removable garbage truck draw arm hook as claimed in claim 1, wherein: the lower part of the turnover arm (4) is provided with a spring lock hook (16).