CN211846931U - Rotatable mechanical cantilever lifting device - Google Patents

Rotatable mechanical cantilever lifting device Download PDF

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Publication number
CN211846931U
CN211846931U CN202020340409.9U CN202020340409U CN211846931U CN 211846931 U CN211846931 U CN 211846931U CN 202020340409 U CN202020340409 U CN 202020340409U CN 211846931 U CN211846931 U CN 211846931U
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China
Prior art keywords
lifting
cylinder
base
guide
motor
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Active
Application number
CN202020340409.9U
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Chinese (zh)
Inventor
郭家奇
汪昌润
宋涛
赵厚永
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Shanghai Heli Hydraulic Electromechanical Co ltd
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Shanghai Heli Hydraulic Electromechanical Co ltd
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Priority to CN202020340409.9U priority Critical patent/CN211846931U/en
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Abstract

The utility model discloses a rotatable mechanical cantilever lifting device, which comprises a lifting arm, a lifting motor, a base and a lifting hook; one side of the base is provided with a rotating motor; a slewing bearing and a lifting device outer cylinder are sequentially arranged on the base; the outer cylinder of the lifting device is vertically arranged, and a rotary pair with a vertically arranged rotary shaft is formed between the lower end of the lifting device and the base through a rotary support; the outer cylinder of the lifting device is driven to rotate by a rotating motor; a lifting device inner cylinder is arranged in the lifting device outer cylinder, and a sliding pair is formed between the lifting device outer cylinder and the lifting device inner cylinder; a mechanical transmission device is arranged between the inner wall of the lifting device outer cylinder and the outer wall of the lifting device inner cylinder; the mechanical transmission device is driven by a lifting motor arranged on the outer wall of the outer cylinder of the lifting device; the lifting arm is arranged at the upper end of the inner cylinder of the lifting device; the lifting hook is arranged at one end of the lifting arm. The utility model discloses an use position, speed and the rotation angle that can make the more accurate control of cantilever hoisting device promote.

Description

Rotatable mechanical cantilever lifting device
Technical Field
The utility model relates to a heavy load lifting means makes technical field, in particular to rotatable mechanical type cantilever hoisting device.
Background
Cantilever elevator uses comparatively extensively at present. In the existing cantilever elevator, the existing cantilever elevator generally comprises a guide rail, an electric hoist, a motor, an upright post, an electric control system, and a lifting hook or a tray.
In the prior art, an electric hoist (composed of a motor and a winding drum) generally works to drive a steel wire rope, so that the heavy object is lifted and dropped. The base at the lower end of the upright post is fixed on a concrete foundation through foundation bolts, the motor drives the speed reducer driving device to enable the cantilever to rotate, and the electric hoist performs reciprocating operation on the cantilever I-shaped steel.
The swing arm crane has the characteristics of simple structure, convenience in operation, small occupied space, large operation range and the like. Therefore, the cantilever crane has wide application range and is applied to the places of logistics transportation, metal smelting, mechanical manufacturing, automobile manufacturing, warehouses, laboratories and the like.
In practical application, the cantilever crane drives the winding drum to control the lifting and descending of the heavy object by the motor, the precision of the cantilever crane on the operation line is difficult to guarantee, and the straightness and the height positioning are inaccurate. Meanwhile, the steel wire rope is used as a main stress member, the rigidity of the steel wire rope is insufficient, and the heavy object is unstable in the hoisting and rotating processes and is easy to shake or even tip over. The electric hoist serving as a common hoisting machine in the market is not stable enough in operation, and is easy to have faults such as steel wire rope groove crossing, breakage and the like, and even has production safety accidents in severe cases.
Therefore, how to solve the defects of unstable operation, difficult precision control, frequent routine maintenance and the like of the existing cantilever elevator becomes a technical problem which needs to be solved by technical personnel in the field urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides a rotatable mechanical type cantilever hoisting device, the purpose of realization is promotion position, speed and the rotation angle that can accurate control, and realization that can the high accuracy promotes and rotatory, and more abundant utilization place can play a role in narrow and small space.
In order to achieve the above object, the utility model discloses a rotatable mechanical type cantilever hoisting device, including the lifting arm, promote motor, base and lifting hook.
Wherein the base is fixed on a civil foundation; a rotating motor is arranged on one side of the base;
a slewing bearing and a lifting device outer cylinder are sequentially arranged on the base, and the slewing bearing, the lifting device outer cylinder and the base are coaxially arranged;
the outer cylinder of the lifting device is vertically arranged, and a rotary pair with a vertically arranged rotary shaft is formed between the lower end of the lifting device and the base by virtue of the rotary support; the lifting device outer cylinder is driven to rotate by the rotating motor;
a lifting device inner cylinder is arranged in the lifting device outer cylinder, a moving pair is formed between the lifting device outer cylinder and the lifting device inner cylinder, and the lifting device inner cylinder can reciprocate along the vertical direction;
a mechanical transmission device is arranged between the inner wall of the lifting device outer cylinder and the outer wall of the lifting device inner cylinder; the mechanical transmission device is driven by the lifting motor arranged on the outer wall of the outer cylinder of the lifting device;
the lifting arm is arranged at the upper end of the inner cylinder of the lifting device;
the lifting hook is arranged at one end of the lifting arm.
Preferably, the mechanical transmission means comprises a drive gear and a transmission rack which are meshed with each other;
the driving gear is arranged on the outer barrel of the lifting device and is driven by the lifting motor to rotate;
the transmission rack is arranged on the outer wall of the inner cylinder of the lifting device;
when the lifting motor operates, the driving gear pushes the transmission rack, and then the inner cylinder of the lifting device is driven to reciprocate along the vertical direction.
Preferably, the outer wall of the inner cylinder of the lifting device is provided with an inner guide post and a plurality of inner guide lining plates;
a plurality of inner guide lining plates are symmetrically arranged on the inner guide column; each inner guide lining plate is contacted with the inner wall of the outer cylinder of the lifting device;
the inner wall of the outer barrel of the lifting device is provided with an outer guide post, a plurality of outer guide lining plates and a plurality of connecting plates;
each connecting plate is used for fixing two sides of the lifting device outer cylinder to enable the lifting device outer cylinder to be a whole;
a plurality of outer guide lining plates are symmetrically arranged on the outer guide column; each outer guide lining plate is contacted with the outer wall of the inner cylinder of the lifting device.
More preferably, a plurality of eccentric guide wheels are arranged on the inner wall of the outer cylinder of the lifting device; each eccentric guide wheel is contacted with the outer wall of the inner cylinder of the lifting device.
Preferably, the base is fixed on the civil engineering foundation through bolt connection.
Preferably, the rotating motor is fixed on one side of the base through a high-strength bolt;
the slewing bearing is fixed on the base through a high-strength bolt;
the outer cylinder of the lifting device is connected with the slewing bearing through a high-strength bolt;
the lifting motor is fixed on the outer wall of the outer cylinder of the lifting device through a high-strength bolt;
the transmission rack is fixed on the outer wall of the inner cylinder of the lifting device through a high-strength bolt;
the lifting arm is fixed at the upper end of the inner cylinder of the lifting device through a high-strength bolt;
the lifting hook is fixed on the lifting arm through a high-strength bolt.
The utility model has the advantages that:
1. the utility model discloses an use position, speed and the rotation angle that can make the more accurate control of cantilever hoisting device promote.
2. The utility model discloses an use and to make cantilever hoisting device realize promoting, rotatory, the make full use of place can play important role in narrow and small space.
3. The utility model discloses utilize rack and pinion to realize promoting, it is stable to promote the process, and the lifting load is big.
4. The utility model discloses an use and to make cantilever hoisting device structure more stable, it is more high-efficient during the operation, realize more quick promotion.
5. The utility model discloses an use and make cantilever hoisting device structure simpler, difficult trouble, it is more convenient to maintain.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic structural diagram of an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of an outer wall of an inner cylinder of a lifting device in an embodiment of the present invention.
Fig. 3 is a schematic view illustrating a connection structure between the inner guide post and the inner guide lining plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an inner wall of an outer cylinder of a lifting device according to an embodiment of the present invention.
Fig. 5 is a schematic view showing a connection structure between the outer guide post, the outer guide lining plate and the eccentric guide wheel according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1, the rotatable mechanical boom raising apparatus includes a lift arm 1, a lift motor 6, a base 8 and a hook 9.
Wherein, the base 8 is fixed on the civil foundation; one side of the base 8 is provided with a rotating motor 4;
a slewing bearing 5 and a lifting device outer cylinder 3 are sequentially arranged on the base 8, and the slewing bearing 5, the lifting device outer cylinder 3 and the base 8 are coaxially arranged;
the outer cylinder 3 of the lifting device is vertically arranged, and a rotary pair with a vertically arranged rotary shaft is formed between the lower end of the lifting device and the base 8 through a rotary support 5; the lifting device outer cylinder 3 is driven to rotate by a rotating motor 4;
a lifting device inner cylinder 2 is arranged in the lifting device outer cylinder 3, a moving pair is formed between the lifting device outer cylinder 3 and the lifting device inner cylinder 2, and the lifting device inner cylinder 2 can reciprocate along the vertical direction;
a mechanical transmission device is arranged between the inner wall of the lifting device outer cylinder 3 and the outer wall of the lifting device inner cylinder 2; the mechanical transmission device is driven by a lifting motor 6 arranged on the outer wall of the outer cylinder 3 of the lifting device;
the lifting arm 1 is arranged at the upper end of the inner cylinder 2 of the lifting device;
the hook 9 is arranged at one end of the lifting arm 1.
The principle of the utility model lies in: the mechanical transmission device is used as a driving device under the lifting of the heavy object, and the lifting speed and the lifting height can be controlled more accurately.
Compared with the prior art, the utility model discloses after having cancelled electric block and wire rope, the heavy object is promoting, rotatory in-process, and the operation is more steady, is difficult for appearing safe things such as tumbling, and daily maintenance only needs to go on some to examine mechanical transmission, has reduced the frequency of maintaining.
In some embodiments, the mechanical transmission comprises an intermeshing drive gear and a transmission rack 7;
the driving gear is arranged on the outer cylinder 3 of the lifting device and is driven to rotate by a lifting motor 6;
the transmission rack 7 is arranged on the outer wall of the inner cylinder 2 of the lifting device;
when the lifting motor 6 operates, the driving gear pushes the transmission rack 7, and then drives the lifting device inner cylinder 2 to reciprocate along the vertical direction.
As shown in fig. 2 to 5, in some embodiments, the outer wall of the inner cylinder 2 of the lifting device is provided with an inner guide column 2-1 and a plurality of inner guide lining plates 2-2;
a plurality of inner guide lining plates 2-2 are symmetrically arranged on the inner guide column 2-1; each inner guide lining plate 2-2 is contacted with the inner wall of the outer cylinder 3 of the lifting device;
the inner wall of the outer barrel 3 of the lifting device is provided with an outer guide column 3-1, a plurality of outer guide lining plates 3-2 and a plurality of connecting plates 3-4;
each connecting plate 3-4 is used for fixing two sides of the lifting device outer cylinder 3, so that the lifting device outer cylinder 3 is integrated;
a plurality of outer guide lining plates 3-2 are symmetrically arranged on the outer guide column 3-1; each outer guide liner 3-2 is in contact with the outer wall of the inner cylinder 2 of the lifting device.
As shown in fig. 4 and 5, in some embodiments, a plurality of eccentric guide wheels 3-3 are arranged on the inner wall of the outer cylinder 3 of the lifting device; each eccentric guide wheel 3-3 is in contact with the outer wall of the inner cylinder 2 of the lifting device.
In some embodiments, the base 8 is secured to the foundation by bolting. The base 8 is fixed on the civil foundation through bolt connection, and bears the equipment weight of the lifting device and the external force when lifting heavy objects.
In actual use, the rotating motor 4 drives the slewing bearing 5 to rotate, the lifting device outer cylinder 3 is fixedly connected with the slewing bearing 5 through bolts, and the lifting device outer cylinder 3 rotates along with the slewing bearing. The lift arm 1 and the lift device inner cylinder 2 rotate together with the lift device outer cylinder 3. The rotation of 360 degrees can be realized, the clockwise rotation and the anticlockwise rotation can be realized, and the rotation can be stopped at any angle.
And the lifting motor 6 drives the driving gear on the reduction gearbox to rotate, drives the transmission rack 7 to move upwards, the lifting device inner barrel 2 rises, the lifting arm 1 rises in the opening range of the web plate of the lifting device outer barrel 3, and the lifting hook 9 rises along with the lifting and is lifted by the hoisting object.
If the lifting motor 6 rotates in the opposite direction, the transmission rack 7 is driven to descend, the inner cylinder 2 of the lifting device descends, the lifting arm 1 descends, the lifting hook 9 descends along with the descending, and the lifted object descends.
The lifting action and the rotating action are both provided with proximity switches and are matched with encoders, so that accurate positioning is realized, the repeated positioning precision is high, and the equipment is safe and reliable.
In some embodiments, the rotating electrical machine 4 is fixed to one side of the base 8 by high-strength bolts;
the slewing bearing 5 is fixed on the base 8 through a high-strength bolt;
the outer cylinder 3 of the lifting device is connected with the slewing bearing 5 through a high-strength bolt;
the lifting motor 6 is fixed on the outer wall of the outer cylinder 3 of the lifting device through a high-strength bolt;
the transmission rack 7 is fixed on the outer wall of the inner cylinder 2 of the lifting device through a high-strength bolt;
the lifting arm 1 is fixed at the upper end of the inner cylinder 2 of the lifting device through a high-strength bolt;
the lifting hook 9 is fixed to the lifting arm 1 by means of high-strength bolts.
Through high strength bolt connection, convenient to detach can improve the efficiency of maintenance and change part.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (6)

1. A rotatable mechanical cantilever lifting device comprises a lifting arm (1), a lifting motor (6), a base (8) and a lifting hook (9); the method is characterized in that:
the base (8) is fixed on a civil foundation; a rotating motor (4) is arranged on one side of the base (8);
a slewing bearing (5) and a lifting device outer cylinder (3) are sequentially arranged on the base (8), and the slewing bearing (5), the lifting device outer cylinder (3) and the base (8) are coaxially arranged;
the outer cylinder (3) of the lifting device is vertically arranged, and a rotary pair with a vertically arranged rotary shaft is formed between the lower end of the outer cylinder and the base (8) by virtue of the rotary support (5); the lifting device outer cylinder (3) is driven to rotate by the rotating motor (4);
a lifting device inner cylinder (2) is arranged in the lifting device outer cylinder (3), a moving pair is formed between the lifting device outer cylinder (3) and the lifting device inner cylinder (2), and the lifting device inner cylinder (2) can reciprocate along the vertical direction;
a mechanical transmission device is arranged between the inner wall of the lifting device outer cylinder (3) and the outer wall of the lifting device inner cylinder (2); the mechanical transmission device is driven by the lifting motor (6) arranged on the outer wall of the lifting device outer cylinder (3);
the lifting arm (1) is arranged at the upper end of the lifting device inner cylinder (2);
the lifting hook (9) is arranged at one end of the lifting arm (1).
2. The rotatable mechanical jib lifting device of claim 1 wherein the mechanical transmission comprises an intermeshing drive gear and a transmission rack (7);
the driving gear is arranged on the lifting device outer cylinder (3) and is driven to rotate by the lifting motor (6);
the transmission rack (7) is arranged on the outer wall of the inner cylinder (2) of the lifting device;
when the lifting motor (6) operates, the driving gear pushes the transmission rack (7) so as to drive the lifting device inner cylinder (2) to reciprocate along the vertical direction.
3. The rotatable mechanical jib lifting device of claim 2 wherein the rotary electric machine (4) is secured to one side of the base (8) by high-tensile bolts;
the slewing bearing (5) is fixed on the base (8) through a high-strength bolt;
the lifting device outer cylinder (3) is connected with the slewing bearing (5) through a high-strength bolt;
the lifting motor (6) is fixed on the outer wall of the lifting device outer cylinder (3) through a high-strength bolt;
the transmission rack (7) is fixed on the outer wall of the lifting device inner cylinder (2) through a high-strength bolt;
the lifting arm (1) is fixed at the upper end of the lifting device inner cylinder (2) through a high-strength bolt;
the lifting hook (9) is fixed on the lifting arm (1) through a high-strength bolt.
4. The rotatable mechanical cantilever lifter according to claim 1, wherein the outer wall of the inner barrel (2) of the lifter is provided with an inner guiding column (2-1) and a plurality of inner guiding lining plates (2-2);
a plurality of inner guide lining plates (2-2) are symmetrically arranged on the inner guide column (2-1); each inner guide lining plate (2-2) is contacted with the inner wall of the lifting device outer cylinder (3);
the inner wall of the outer cylinder (3) of the lifting device is provided with an outer guide column (3-1), a plurality of outer guide lining plates (3-2) and a plurality of connecting plates (3-4);
each connecting plate (3-4) is used for fixing two sides of the lifting device outer cylinder (3) so that the lifting device outer cylinder (3) is integrated;
a plurality of outer guide lining plates (3-2) are symmetrically arranged on the outer guide column (3-1); each outer guide lining plate (3-2) is contacted with the outer wall of the inner cylinder (2) of the lifting device.
5. The rotatable mechanical jib lifting device of claim 4 wherein said outer barrel (3) of said lifting device is provided with a plurality of eccentric guide wheels (3-3) on the inner wall thereof; each eccentric guide wheel (3-3) is contacted with the outer wall of the inner cylinder (2) of the lifting device.
6. The rotatable mechanical jib lifting device of claim 1 wherein the base (8) is secured to the civil foundation by bolting.
CN202020340409.9U 2020-03-18 2020-03-18 Rotatable mechanical cantilever lifting device Active CN211846931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020340409.9U CN211846931U (en) 2020-03-18 2020-03-18 Rotatable mechanical cantilever lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020340409.9U CN211846931U (en) 2020-03-18 2020-03-18 Rotatable mechanical cantilever lifting device

Publications (1)

Publication Number Publication Date
CN211846931U true CN211846931U (en) 2020-11-03

Family

ID=73134158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020340409.9U Active CN211846931U (en) 2020-03-18 2020-03-18 Rotatable mechanical cantilever lifting device

Country Status (1)

Country Link
CN (1) CN211846931U (en)

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