CN214733992U

CN214733992U - Container front crane

Info

Publication number: CN214733992U
Application number: CN202120523481.XU
Authority: CN
Inventors: 周爱清; 高鹏; 卞沂杨
Original assignee: Jiangsu E P Forklift Truck Co ltd
Current assignee: Jiangsu E P Forklift Truck Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-16
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to a container front crane, which comprises a crane body, a suspension arm and a front crane device; the tail part of the suspension arm is hinged at the rear end of the vehicle body, and the vehicle body is also provided with a first hydraulic device; the front lifting device comprises a connecting piece and a fixed seat; one end of the connecting piece is fixed at the top of the suspension arm, and the other end of the connecting piece is hinged with the fixed seat; the connecting piece is also provided with a third hydraulic device; the fixed seat is provided with a main lifting appliance cylinder, the two ends of the main lifting appliance cylinder are provided with lock head frames, the main lifting appliance cylinder is further internally provided with two fourth hydraulic devices, and the tops of piston rods on the two fourth hydraulic devices are respectively connected with the two lock head frames. The utility model discloses a container openly lifts by crane hoist, stability is good, can prevent effectively that the container from appearing rocking lifting by crane the in-process.

Description

Container front crane

Technical Field

The utility model relates to a hoist technical field, especially a container openly hoist crane.

Background

With the recent development of global economy, the trade volume is increasing, inland ports have difficulty in meeting freight demand, and railway stock yards are rising. The container is used as the most main transport tool for railway transportation, and the container shakes in the hoisting process due to the instability of hoisting equipment in the unloading process of the crane from the container train.

It is therefore desirable to provide a container face crane which addresses the above mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a container openly lifts by crane hoist machine, stability is good, can prevent effectively that the container from appearing rocking lifting by crane the in-process.

The utility model relates to a container front crane, which comprises a crane body, a suspension arm and a front crane device;

the tail part of the suspension arm is hinged to the rear end of the vehicle body, a first hydraulic device is further arranged on the vehicle body, the bottom of the first hydraulic device is hinged to the vehicle body, and the top of a piston rod on the first hydraulic device is hinged to the lower surface of the suspension arm;

the front lifting device comprises a connecting piece and a fixed seat; one end of the connecting piece is fixed at the top of the suspension arm, and the other end of the connecting piece is hinged with the fixing seat; the connecting piece is also provided with a third hydraulic device, the bottom of the third hydraulic device is hinged to the connecting piece, and the top of a piston rod on the third hydraulic device is hinged to the upper surface of the fixed seat; a lifting appliance main cylinder is arranged on the fixing seat, locking head frames are arranged at two ends of the lifting appliance main cylinder, two fourth hydraulic devices are further arranged in the lifting appliance main cylinder, and the tops of piston rods on the two fourth hydraulic devices are respectively connected with the two locking head frames; and two ends of the bottom of the two lock head frames are respectively provided with a lock head.

Preferably, the suspension arm is divided into an outer suspension arm and an inner suspension arm, the inner suspension arm is sleeved in the outer suspension arm in a sliding manner, the tail part of the outer suspension arm is hinged to the rear end of the vehicle body, and the top of a piston rod on the first hydraulic device is hinged to the lower surface of the outer suspension arm; and a second hydraulic device is arranged in the outer suspension arm, and the top of a piston rod on the second hydraulic device is connected with the bottom of the inner suspension arm.

Preferably, a connecting rod is arranged in the lock head frame, two ends of the connecting rod are respectively hinged to the bottoms of two lock heads on the same lock head frame, two partition plates are arranged at the bottom of the connecting rod, a fifth hydraulic device is further arranged in the lock head frame, the fifth hydraulic device is a bidirectional hydraulic device, and two piston rods on the fifth hydraulic device are respectively connected with the two partition plates to push the connecting rod to move.

Preferably, the upper surface of fixing base is equipped with the slide rail along the length direction of hoist main section of thick bamboo, the bottom of hoist main section of thick bamboo be equipped with slide rail assorted connecting portion, the hoist main section of thick bamboo slides through connecting portion and sets up on the slide rail on the fixing base, the upper surface of hoist main section of thick bamboo is equipped with sixth hydraulic means, the bottom of sixth hydraulic means articulates on the fixing base, the top of sixth hydraulic means's piston rod articulates the upper surface at hoist main section of thick bamboo.

Preferably, a reinforcing rib is arranged at the connecting part of the suspension arm and the connecting piece.

The utility model relates to a container openly hangs hoist and crane has following advantage with prior art:

(1) the container can be effectively prevented from shaking in the process of lifting the container, and the lifting stability is strong, safe and reliable;

(2) simple structure and convenient use.

Drawings

Fig. 1 is a front view of a container reach stacker crane according to this embodiment;

fig. 2 is a schematic structural diagram of a container reach stacker crane according to this embodiment;

FIG. 3 is a schematic structural view of the front lifting device;

FIG. 4 is a side view of the head suspension;

FIG. 5 is a schematic view of the connection structure between two lock heads and a connecting rod on the same lock head frame;

fig. 6 is a front view of the head-mount device.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, the container front crane of the present invention comprises a vehicle body 1, a suspension arm and a front crane device;

as shown in fig. 1-2, the tail of the boom is hinged to the rear end of a vehicle body 1, the vehicle body 1 is further provided with a first hydraulic device 4, the bottom of the first hydraulic device 4 is hinged to the vehicle body 1, and the top of a piston rod on the first hydraulic device 4 is hinged to the lower surface of the boom; the first hydraulic device 4 drives the suspension arm to rotate, so that the lifting is realized. Preferably, the suspension arm is divided into an outer suspension arm 2 and an inner suspension arm 3, the inner suspension arm 3 is sleeved in the outer suspension arm 2 in a sliding manner, the tail part of the outer suspension arm 2 is hinged to the rear end of the vehicle body 1, and the top of a piston rod on the first hydraulic device 4 is hinged to the lower surface of the outer suspension arm 2; the telescopic lifting arm is characterized in that a second hydraulic device is arranged in the outer lifting arm 2, the top of a piston rod on the second hydraulic device is connected with the bottom of the inner lifting arm 3, and the telescopic lifting arm 3 is driven by the second hydraulic device to stretch or contract, so that the lifting arm is extended or contracted to match different application scenes.

As shown in fig. 3, 4 and 6, the front lifting device comprises a connecting piece 6 and a fixed seat 7; one end of the connecting piece 6 is fixed at the top of the suspension arm, and the other end of the connecting piece 6 is hinged with the fixed seat 7; the connecting piece 6 is also provided with a third hydraulic device 5, the bottom of the third hydraulic device 5 is hinged on the connecting piece 6, and the top of a piston rod on the third hydraulic device 5 is hinged on the upper surface of the fixed seat 7; the lifting appliance is characterized in that a lifting appliance main cylinder 9 is arranged on the fixing seat 7, locking head frames 11 are arranged at two ends of the lifting appliance main cylinder 9, two fourth hydraulic devices are further arranged in the lifting appliance main cylinder 9, tops of piston rods on the two fourth hydraulic devices are respectively connected with the two locking head frames 11, and the distance between the two locking head frames 11 is adjusted through driving of the two fourth hydraulic devices so as to lift containers of different sizes. Two ends of the bottom of the two lock head frames 11 are respectively provided with a lock head 12. Further, the inventor here discloses a specific structure of how the lock head is closed and opened: as shown in fig. 5, a connecting rod 13 is arranged in the locking head frame 11, two ends of the connecting rod 13 are respectively hinged to bottoms of the two locking heads 12, two partition plates 14 are arranged at the bottom of the connecting rod 13, a fifth hydraulic device is further arranged in the locking head frame 11, the fifth hydraulic device is a bidirectional hydraulic device, two piston rods on the fifth hydraulic device are respectively connected with the two partition plates 14, the connecting rod 13 is pushed to move, and when the four locking heads 12 are placed into lifting holes at the top of a container to be lifted, the fifth hydraulic device is started, and the connecting rod pushes the locking heads 12 to rotate, so that the container is locked and lifted.

Further, a slide rail 15 is arranged on the upper surface of the fixing seat 7 along the length direction of the hanger main cylinder 9, a connecting portion matched with the slide rail 15 is arranged at the bottom of the hanger main cylinder 9, the hanger main cylinder 9 is slidably arranged on the slide rail 15 on the fixing seat 7 through the connecting portion, a sixth hydraulic device 8 is arranged on the upper surface of the hanger main cylinder 9, the bottom of the sixth hydraulic device 8 is hinged to the fixing seat 7, and the top of a piston rod of the sixth hydraulic device 8 is hinged to the upper surface of the hanger main cylinder 9; so set up, through the drive of sixth hydraulic means 8, realize that hoist main barrel 9 removes about on slide rail 15, match different application scenarios.

Furthermore, the part where the suspension arm is connected with the connecting piece 6 is provided with a reinforcing rib, so that the effect of improving the strength is achieved.

When the lifting appliance is used, the front-side lifting crane is firstly opened to a corresponding position, the second hydraulic device is controlled to realize the extension or contraction of the suspension arm so as to adapt to the lifted space, then the first hydraulic device 4 is started, the suspension arm rotates and is positioned right above a container to be lifted, then the sixth hydraulic device 8 is controlled to realize the left-right movement of the main cylinder 9 of the lifting appliance, so that the four lock heads 12 are positioned right above lifting holes on the top of the container, the suspension arm further descends, the four lock heads 9 are placed in the lifting holes of the container, the four lock heads 9 are driven by the two fifth hydraulic devices to lock the container, and then the lifting is carried out.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A container front crane is characterized by comprising a vehicle body, a suspension arm and a front crane device;

2. The container reach stacker crane according to claim 1, wherein the boom is divided into an outer boom and an inner boom, the inner boom is slidably received in the outer boom, the tail of the outer boom is hinged to the rear end of the body, and the top of the piston rod of the first hydraulic device is hinged to the lower surface of the outer boom; and a second hydraulic device is arranged in the outer suspension arm, and the top of a piston rod on the second hydraulic device is connected with the bottom of the inner suspension arm.

3. The container reach stacker crane according to claim 1, wherein a connecting rod is provided in the lock head frame, two ends of the connecting rod are respectively hinged to bottoms of two lock heads on the same lock head frame, two partition plates are provided at the bottom of the connecting rod, a fifth hydraulic device is further provided in the lock head frame, the fifth hydraulic device is a bidirectional hydraulic device, and two piston rods of the fifth hydraulic device are respectively connected to the two partition plates to push the connecting rod to move.

4. The container reach stacker crane according to any one of claims 1 to 3, wherein a slide rail is disposed on an upper surface of the fixing base along a length direction of the main spreader cylinder, a connecting portion matched with the slide rail is disposed at a bottom of the main spreader cylinder, the main spreader cylinder is slidably disposed on the slide rail on the fixing base through the connecting portion, a sixth hydraulic device is disposed on the upper surface of the main spreader cylinder, a bottom of the sixth hydraulic device is hinged to the fixing base, and a top of a piston rod of the sixth hydraulic device is hinged to an upper surface of the main spreader cylinder.

5. The container reach stacker crane of claim 1, wherein a portion of the boom connected to the link is provided with a reinforcing rib.