CN215479201U

CN215479201U - Hoisting device

Info

Publication number: CN215479201U
Application number: CN202120493312.6U
Authority: CN
Inventors: 毛斌斌; 贺全翠
Original assignee: Shanxi Tongcai Industry and Trade Co Ltd
Current assignee: Shanxi Tongcai Industry and Trade Co Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-01-11
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a lifting device, and belongs to the technical field of lifting. The lifting device comprises a pull rod, a cross beam and a suspension arm. The crossbeam level sets up, and top fixedly connected with is convenient for the pull rod that lifts by crane, and a plurality of davit is installed to the below of crossbeam. The suspension arm comprises a central connecting plate, a short arm and a long arm, the upper end of the central connecting plate is connected with the cross beam, and the middle part of the central connecting plate is provided with a vertical walking groove; the upper end of the short arm is movably connected with the central connecting plate, and the lower end of the short arm is provided with a long arm; the two long arms are arranged in a crossed manner and matched with the vertical walking groove of the central connecting plate through a connecting pin shaft; the clamping part is fixed under the long arm. An operator can carry the length of the plate according to the requirement, selects the corresponding fixed groove on the cross beam to be connected with the suspension arm, and realizes the opening and closing of the clamping part through the movement of the long arm in the vertical walking groove to finish the carrying action. The technical problems of low loading and unloading efficiency and complex structure of the existing hoisting device are solved, the comprehensive working efficiency is improved, and the number of workers and labor intensity are reduced.

Description

Hoisting device

Technical Field

The utility model relates to the technical field of hoisting, in particular to a hoisting device.

Background

With the increase of industrial factory buildings and warehouse construction projects, the use amount and the hoisting work of the plates such as the color steel composite plates and the like are increased. The length of the color steel composite plate is generally 6-12 m, and the longer the plate is, the higher the manual loading and unloading cost is; when the length of the plate is more than 8 meters, 6 to 8 workers are needed to load and unload one plate together, so that the efficiency is low and the labor intensity of the workers is high.

The titanium ingot hoisting accessory of application number 201921523129.5 includes arm lock, right part arm lock, connects the roller, prevents shaking extrusion disc and anticreep protruding to connect above-mentioned part by the V type lifting hook, lead to the groove and the cooperation of screw through the arc in the arm lock during lifting by crane and adjust the elasticity degree of arm lock, thereby press from both sides the goods tightly. Although the device solves the problems of shaking and difficulty in adjusting tightness when the lifting device works, the structure is complex, the number of parts is large, and the probability of maintenance is improved; the processing technology requirement of the arc-shaped part on the suspension arm is higher, and the manufacturing cost is increased. Therefore, a hoisting device with a simpler structure and convenient manufacture is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting device, which solves the problems of low loading and unloading efficiency of plates and complex structure of the conventional lifting device.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a lifting device comprises a pull rod, a cross beam and a suspension arm, wherein the cross beam is horizontally arranged, the pull rod is obliquely arranged above the cross beam, and the suspension arm is arranged below the cross beam; the suspension arm comprises a central connecting plate, short arms and long arms, the top end of the central connecting plate is connected with the cross beam, one end of each short arm is movably connected above the central connecting plate, the long arms are movably connected with the other ends of the short arms, the long arms are arranged in a crossed mode, and the crossed points are movably connected through pin shafts; the bottom end of the long arm is provided with a clamping part, and the bottom surface of the clamping part is parallel to the horizontal plane; the lower part of the central connecting plate is provided with a vertical walking groove which is matched with a pin shaft at the intersection point of the long arm and can be used for the pin shaft to move up and down, so that the long arm and the short arm of the suspension arm move, and the action of clamping the steel plate by the suspension arm is realized.

Seen from the side face of the device, the pull rod and the cross beam form a triangle, the vertical plate which is vertically arranged is arranged on the upper portion of the cross beam and used for being connected with the pull rod, the stability of the whole device is improved, the lifting device is conveniently matched with other machines through the through holes in the vertical plate, and materials in the lifting device can be easily moved. The short arm and the long arm which are movably connected to the central connecting plate form a connecting rod mechanism, and the long arm opens and closes to complete clamping action along with the vertical movement of the pin shaft at the intersection of the long arms on the central connecting plate so as to clamp the plates to be carried. Therefore, the labor intensity of workers is greatly reduced, a plurality of plates can be stacked on the clamping part at one time, and the working efficiency is improved.

Preferably, a fixing groove is formed below the cross beam, and the fixing groove is matched with the top end of the suspension arm and is movably connected with the suspension arm. An operator can adjust the hanging position of the suspension arm on the fixing groove according to the length of the plate, accurately clamp and position the color steel composite plate, and reduce deformation and damage to the plate.

The long arm is internally provided with the reinforcing plate, so that the strength of the long arm is improved, the frequency of maintenance damage is reduced, and the service life of the lifting device is prolonged.

Preferably, still including the strengthening rib that the slope set up, connect long arm and clamping part, increase the area of contact of clamping part and long arm and material side promotes the stability that the material was got.

Preferably, the front side and the rear side of the central connecting plate are both provided with a group of short arms and a group of long arms, and the short arms and the long arms on the two sides are connected through pin shafts, so that the suspension arms symmetrically arranged front and back can more stably carry and lift the plates, the stability and the durability of the lifting device are enhanced, and the service life of the device is prolonged.

According to the using environment and the specification of the plate to be transported, a cross beam with the corresponding length and a long arm of a suspension arm are selected, and 4-6 fixing grooves are arranged below the cross beam at equal intervals. When the suspension arm is assembled, the upper end of the short arm is installed on the central connecting plate, then the two long arms are arranged in a crossed mode, the upper end of the long arm is connected with the short arm, the cross point of the long arm is connected through a pin shaft, and the pin shaft at the cross point is matched with the vertical walking groove in the central connecting plate. And after the suspension arm is assembled, selecting a fixed groove at a proper position according to the length of the plate to be transported, and installing the upper suspension arm by using a pin shaft.

When the plate is conveyed, a plurality of suspension arms are symmetrically arranged on the front and back of the fixing groove of the cross beam according to the length of the plate, the long arm is pushed upwards, the cross point of the long arm moves upwards in the vertical walking groove of the central connecting plate, the clamping parts are opened, and the plate is placed between the clamping parts. After the plate is placed in the vertical walking groove by the self-gravity of the plate, the cross point of the long arm moves downwards until the whole device is stable, namely the plate is fixed. And hoisting the pull rod, conveying the plate to a specified position, after the middle of the plate is stably placed, an operator only needs to upwards push the long arm, and the intersection point of the long arm moves upwards in the vertical walking groove again to separate the clamping part from the plate, so that the plate is unloaded.

Compared with the prior art, the utility model has the substantial characteristics that: the lifting device is simple in structure, firm and durable, can be suitable for various situations requiring plate clamping and moving, is easy to process and manufacture and is convenient to operate; the arrangement of the fixed groove enables the device to be more flexible, and the position of the suspension arm can be adjusted according to the actual use condition, so that plates with more specifications can be conveyed without replacing the cross beam and the vertical rod; by utilizing the lifting device, the comprehensive working efficiency can be obviously improved, the labor amount and the construction time are saved, and 4 to 5 large plates can be lifted at one time by only 2 to 3 persons.

Drawings

The utility model is further described with reference to the following figures and detailed description.

Fig. 1 is a schematic mechanism diagram of the hoisting device of the utility model.

Fig. 2 is a schematic front view of a boom of the hoisting device of the present invention.

Fig. 3 is a side view of the boom of the hoist of the present invention.

Fig. 4 is a schematic view of the hoisting device of the utility model when clamping goods.

Reference numbers in the figures: 1. the device comprises a pull rod, 2 vertical plates, 3 cross beams, 4 fixing grooves, 5 suspension arms, 6 central connecting plates, 7 short arms, 8 long arms, 9 clamping parts, 10 vertical traveling grooves, 11 reinforcing plates and 12 reinforcing ribs.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in the attached drawings, the lifting device comprises pull rods 1, vertical plates 2, cross beams 3 and suspension arms 5, wherein the two obliquely arranged pull rods 1 and the lower horizontally arranged cross beam 3 form a triangle, the middle part of the upper surface of the cross beam 3 is vertically fixed with the vertical plate 2 with a hoisting hole, and the pull rods 1 and the cross beam 3 are reinforced; four fixing grooves 4 are arranged on the lower surface of the cross beam 3 at equal intervals.

The suspension arm 5 comprises a central connecting plate 6, a short arm 7 and a long arm 8; the top end of the central connecting plate 6 is provided with a pin shaft hole which is matched with the pin shaft hole on the fixing groove 4, and the two can be connected through a pin shaft. The front side and the rear side of the central connecting plate 6 are both provided with a group of short arms 7 and a group of long arms 8, and the short arms 7 and the long arms 8 at the two sides are movably connected through pin shafts; the upper end of the short arm 7 is movably connected above the central connecting plate 6 through a pin shaft, and the long arm 8 is movably connected with the lower end of the short arm 7. The lower part of the central connecting plate 6 is also provided with a vertical walking groove 10.

The long arm 8 is in a broken line shape, and a reinforcing plate 11 is arranged at the bent part; the long arms 8 are arranged in a crossed manner, the crossed points are matched with the vertical walking grooves 10 through pin shafts, and the pin shafts can move in the vertical direction in the vertical walking grooves 10; the bottom of long arm 8 is provided with clamping part 9, and the bottom surface of clamping part 9 is parallel with the horizontal plane, and the side slope is provided with strengthening rib 12, consolidates and is connected between long arm 8.

According to the using environment and the specification of the plate to be transported, a cross beam 3 with the corresponding length and a long arm 8 of a suspension arm 5 are selected, and four fixing grooves 4 are arranged below the cross beam 3 at equal intervals. When the suspension arm 5 is assembled, the upper end of the short arm 7 is installed on the central connecting plate 6, then the two long arms 8 are arranged in a crossed mode, the upper end of each long arm 8 is connected with the corresponding short arm 7, the cross points of the long arms 8 are connected through pin shafts, and the pin shafts at the cross points are matched with the vertical travelling grooves 10 in the central connecting plate 6. After the suspension arm 5 is assembled, the fixing groove 4 at a proper position is selected according to the length of the plate to be conveyed, and the suspension arm 5 is installed on the fixing groove by a pin shaft.

When the plate is conveyed, a plurality of suspension arms 5 are symmetrically arranged on the fixing groove 4 of the cross beam 3 in a front-back mode according to the length of the plate, the long arm 8 is pushed upwards, the cross point of the long arm 8 moves upwards in the vertical travelling groove 10 of the central connecting plate 6, the clamping parts 9 are opened, and the plate is placed between the clamping parts 9. After the plate is placed in the device by the self-gravity of the plate, the cross point of the long arm 8 moves downwards in the vertical walking groove 10 until the whole device is stable, namely the plate is fixed. And hoisting the vertical plate 2 again, conveying the plate to a specified position, after the middle part of the plate is stably placed, an operator only needs to upwards push the long arm 8, and the cross point of the long arm 8 moves upwards again in the vertical walking groove 10 to separate the clamping part 9 from the plate, so that the plate is unloaded.

The lifting device is simple in structure, firm and durable, can be suitable for various situations requiring plate clamping and moving, is easy to process and manufacture and is convenient to operate; the arrangement of the fixed groove 4 enables the device to be more flexible, and the position of the suspension arm 5 can be adjusted according to actual use conditions, so that plates with more specifications can be conveyed without replacing the cross beam 3 and the pull rod 1; by utilizing the lifting device, the comprehensive working efficiency can be obviously improved, the labor amount and the construction time are saved, and 4 to 5 large plates can be lifted at one time by only 2 to 3 persons.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hoisting device is characterized in that: the lifting device comprises a pull rod (1), a cross beam (3) and a lifting arm (5), wherein the cross beam (3) is horizontally arranged, the pull rod (1) is obliquely arranged above the cross beam, and the lifting arm (5) is arranged below the cross beam (3); the suspension arm (5) comprises a central connecting plate (6), a short arm (7) and a long arm (8), the top end of the central connecting plate (6) is connected with the cross beam (3), one end of the short arm (7) is movably connected above the central connecting plate (6), the long arm (8) is movably connected with the other end of the short arm (7), the long arms (8) are arranged in a crossed mode, and the crossed point is movably connected through a pin shaft; the bottom end of the long arm (8) is provided with a clamping part (9), and the bottom surface of the clamping part (9) is parallel to the horizontal plane; the lower part of the central connecting plate (6) is provided with a vertical walking groove (10) which is matched with a pin shaft at the intersection point of the long arm (8).

2. The hoisting device of claim 1, wherein: the beam (3) is provided with a fixing groove (4) below, the fixing groove (4) is matched with the top end of the suspension arm (5), and the fixing groove and the suspension arm are movably connected.

3. The hoisting device of claim 1, wherein: and a reinforcing plate (11) is arranged inside the long arm (8).

4. The hoisting device of claim 1, wherein: the clamping device also comprises a reinforcing rib (12) which is obliquely arranged and is connected with the long arm (8) and the clamping part (9).