CN219990964U

CN219990964U - Automatic guide crane

Info

Publication number: CN219990964U
Application number: CN202320771442.0U
Authority: CN
Inventors: 杨童垒
Original assignee: GRAND ASIA MACHINERY INDUSTRY (KUNSHAN) CO LTD
Current assignee: GRAND ASIA MACHINERY INDUSTRY (KUNSHAN) CO LTD
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-11-10
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses an automatic guide crane, wherein an inclination angle guide assembly is arranged between a crane hanging chain and a centering sliding trolley, the inclination angle driving rod is driven to rotate by the inclination-shaped hanging chain, one pawl is rotated and separated from the limit of a ratchet bar, the other pawl can freely move towards a required direction under the action of horizontal bisection force of the hanging chain, the position of the other pawl is unchanged and still limited by the corresponding ratchet bar, the unidirectional limit function of the other pawl is maintained, the centering sliding trolley can automatically move under the action of lateral component force of inclination tension on the crane centering sliding trolley, and the leveling is carried out until the hanging chain is in a vertical state, so that a heavy object has no hidden trouble of horizontal direction swing during lifting.

Description

Automatic guide crane

Technical Field

The utility model relates to an automatic guide crane, and belongs to the technical field of hoisting machinery.

Background

In the case of linear transportation such as some transportation lines/production lines in workshops, operators are required to move a crane above a heavy object, if a hanging chain is in an inclined state before lifting, the heavy object has problems of lateral sliding and swinging when leaving the ground in the lifting process, and potential safety hazards that the suspended object swings to strike surrounding objects and people are easily caused.

However, the existing crane does not have the function of self-adaptive adjustment, and can only be controlled manually, so that the crane is difficult to move right above the heavy object.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an automatic guide crane, wherein an inclination angle guide assembly is arranged between a crane hanging chain and a centering sliding trolley, if the center of a crane hanging object deviates from the center of a crane hanging hook, the hanging chain gradually tightens up and bears force in the hoisting process, and the centering sliding trolley automatically moves under the action of the lateral component force of inclination pulling force on the crane centering sliding trolley, and is leveled to a vertical state of the hanging chain, so that the potential hazard of horizontal swinging of a heavy object is avoided during hoisting.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the automatic guide crane comprises a track, an electric operation trolley is connected to the track, a cross beam is connected to the lower portion of the electric operation trolley, a centering sliding trolley capable of horizontally moving relative to the electric operation trolley is arranged on the cross beam, an electric hoist is arranged on the centering sliding trolley, an inclination guide assembly is connected between the centering sliding trolley and a hanging chain of the electric hoist, and the guide assembly comprises an inclination transmission rod rotatably connected to the centering sliding trolley, a guide pipe sleeved on the hanging chain, and a guide pipe fixing seat connected between the guide pipe and the electric hoist, and a lifting hook is connected to the tail end of the hanging chain;

the top of the inclination angle transmission rod is provided with an arc-shaped pawl limiting groove, the middle position of the upper surface of the pawl limiting groove is of an arc-shaped structure, and two sides of the pawl limiting groove are symmetrical inclination planes;

two ratchet bars are arranged below the cross beam, two pawls which can rotate relative to the self-aligning sliding trolley and are matched with the corresponding ratchet bars respectively are arranged on the self-aligning sliding trolley, and pawl driving shafts which are clamped into the pawl limiting grooves are arranged on the pawls.

The foregoing automatic guide core hoist, its characterized in that: the two ends of the cross beam are provided with ship-shaped limiting plates, and the two ends of the top of the aligning sliding trolley are respectively provided with limiting switch groups at limiting positions corresponding to the positions of the ship-shaped limiting plates.

The foregoing automatic guide core hoist, its characterized in that: spring buffer components are further arranged at two ends of the aligning sliding trolley respectively, and vehicle stops corresponding to the positions of the spring buffer components are arranged below the ship-shaped limiting plates at two ends of the cross beam.

The foregoing automatic guide core hoist, its characterized in that: and a balance spring is arranged between the end part and the rod part of the inclination angle transmission rod and the electric hoist.

The foregoing automatic guide core hoist, its characterized in that: the junction of guide tube fixing base with the guide tube is provided with the sliding tray.

The foregoing automatic guide core hoist, its characterized in that: and an inclination angle detection switch is also arranged on the aligning sliding trolley.

The beneficial effects of the utility model are as follows: through setting up inclination guide assembly between hoist chain and aligning sliding trolley, drive inclination transfer line through the tilting chain and rotate, make one of them pawl by rotating, break away from the spacing of ratchet, can freely remove to the direction of needs under the horizontal bisection effect of chain, another pawl position is unchangeable, still receive the restriction of corresponding ratchet, keep its one-way spacing function, under the side direction component effect of tilting pulling force to hoist aligning sliding trolley, aligning sliding trolley can automatic move, the leveling is the vertical state to the chain, the heavy object does not have horizontal direction swing hidden danger when making it hoist.

Drawings

FIG. 1 is a schematic view of an automatic pilot crane according to the present utility model;

FIG. 2 is a schematic diagram of the connection of a cross beam of an automatic pilot crane with an electric hoist;

FIG. 3 is an elevation view of an inclination angle guide assembly of the automated guided core crane of the present utility model;

FIG. 4 is a side view of an inclination angle guide assembly of the automated guided center crane of the present utility model;

FIG. 5 is a schematic view of the tilt angle drive rod of the automatic pilot crane of the present utility model;

FIG. 6 is a schematic view of the structure of a ratchet bar of an automatic pilot crane according to the present utility model;

fig. 7 is a schematic structural view of a pawl of an automatic pilot crane according to the present utility model.

Description of the embodiments

The utility model will be further described with reference to the drawings.

As shown in fig. 1-7, an automatic guiding crane comprises a track 10, an electric operation trolley 20 is connected to the track 10, a cross beam 30 is connected below the electric operation trolley 20, a centering sliding trolley 40 capable of horizontally moving relative to the electric operation trolley is arranged on the cross beam 30, an electric hoist 50 is arranged on the centering sliding trolley 40, an inclination angle guiding assembly 60 is connected between the centering sliding trolley 40 and a hanging chain of the electric hoist 50, the guiding assembly 60 comprises an inclination angle transmission rod 61 rotatably connected to the centering sliding trolley 40, a guiding pipe 65 sleeved on the hanging chain, and a guiding pipe fixing seat 66 connected between the guiding pipe 65 and the electric hoist 50, and the tail end of the hanging chain is connected with a lifting hook; the top of the inclination angle transmission rod 61 is provided with an arc-shaped pawl limiting groove 611, the middle position of the upper surface of the pawl limiting groove 611 is an arc-shaped structure 612, and two sides of the pawl limiting groove are symmetrical inclination planes 613; two ratchet bars 31 are arranged below the cross beam 30, two pawls 63 which can rotate relative to the self-aligning sliding trolley 40 and are respectively matched with the corresponding ratchet bars 31, and pawl driving shafts 631 which are clamped into the pawl limiting grooves 611 are arranged on the pawls 63.

Balance springs 68 are provided between the end portions and the rod portions of the tilt angle transmission rod 61 and the electric hoist 50, and when the electric hoist is assembled, the tilt angle transmission rod 61 is ensured to be in a vertical state by the balance springs 68. When the lifting hook at the bottom of the electric hoist 50 is used for hanging a heavy object, if the center of the lifted object deviates from the center of the lifting hook of the crane, the lifting chain is inclined in the process of gradually tightening the lifting chain before lifting, so that the guide pipe 65 sleeved on the lifting chain drives the inclined angle transmission rod 61 to rotate, one inclined plane 613 in the pawl limiting groove 611 is used for pressing down the pawl driving shaft 631 on the corresponding pawl 63, so that the pawl 63 rotates downwards, and the corresponding pawl 31 is separated from the limit of the corresponding pawl, and the pawl driving shaft 631 of the other pawl moves along the arc-shaped structure 612, so that the pawl cannot rotate, is continuously limited by the pawl 31 in a unidirectional mode, the inclined lifting chain can generate a horizontal component force, the limit of the pawl 63 in the horizontal component force direction is cancelled, and the self-aligning sliding trolley can automatically move under the action of the lateral component force of the inclined pulling force on the crane aligning sliding trolley until the lifting chain is in a vertical state, so that the heavy object does not swing in the horizontal direction during lifting.

The connection part of the guide tube fixing seat 66 and the guide tube 65 is provided with a sliding groove 67. When the guide tube 65 is inclined, the guide tube fixing seat 66 can be smoothly slid.

The two ends of the beam 30 are provided with ship-shaped limiting plates 32, and the two ends of the top of the aligning sliding trolley 40 are respectively provided with limiting switch groups 33 at limiting positions corresponding to the positions of the ship-shaped limiting plates 32. The movement of the centering slide carriage 40 to the limit position can be detected by the limit position limit switch group 33, and a corresponding reaction can be made according to the setting.

Spring buffer components 43 are further disposed at two ends of the aligning sliding trolley 40, and a bumper 34 corresponding to the spring buffer components 43 is disposed below the boat-shaped limiting plate 32 at two ends of the beam 30. Buffering is performed by the buffer assembly 43 when the centering slide trolley 40 moves to the position of the bumper 34, so that excessive resilience force is avoided, and the lifting workpiece is prevented from shaking. The tilt angle detection switch 42 is further installed on the self-aligning sliding trolley 40, when the tilt angle of the electric hoist reaches a preset position, the switch can feed back the control system, different warning sounds can be used for reminding after the duration of the preset time, and when feedback signals of the tilt angle detection switches at symmetrical positions are inconsistent, different warning sounds can be used for reminding or stopping the use after the duration of the preset time, so that the use safety and reliability are ensured.

In summary, according to the automatic centering crane provided by the utility model, the inclination angle guide assembly is arranged between the crane lifting chain and the centering sliding trolley, if the center of a lifting object deviates from the center of the crane lifting hook, the lifting chain gradually tightens and bears force in the lifting process, and the centering sliding trolley automatically moves under the action of the inclination pulling force on the lateral component force of the centering sliding trolley of the crane, and is leveled to the vertical state of the lifting chain, so that the potential hazard of horizontal swinging of a heavy object is avoided during lifting.

The foregoing has outlined and described the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic guide crane, includes track (10), connects be provided with electric operation dolly (20) on track (10), electric operation dolly (20) below is connected with crossbeam (30), be provided with on crossbeam (30) can be relative its horizontal migration's aligning slip dolly (40), be provided with electric block (50), its characterized in that on aligning slip dolly (40): an inclination angle guide assembly (60) is connected between the aligning sliding trolley (40) and a hanging chain of the electric hoist (50), the guide assembly (60) comprises an inclination angle transmission rod (61) rotatably connected to the aligning sliding trolley (40), a guide pipe (65) sleeved on the hanging chain, and a guide pipe fixing seat (66) connected between the guide pipe (65) and the electric hoist (50), and the tail end of the hanging chain is connected with a lifting hook;

the top of the inclined angle transmission rod (61) is provided with an arc-shaped pawl limiting groove (611), the middle position of the upper surface of the pawl limiting groove (611) is an arc-shaped structure (612), and two sides of the pawl limiting groove are symmetrical inclined planes (613);

two ratchet bars (31) are arranged below the cross beam (30), two pawls (63) which can rotate relative to the self-aligning sliding trolley (40) and are respectively matched with the corresponding ratchet bars (31) for use are arranged on the self-aligning sliding trolley, and pawl driving shafts (631) which are clamped into the pawl limiting grooves (611) are arranged on the pawls (63).

2. An automatic pilot crane according to claim 1, characterized in that: both ends of the beam (30) are provided with ship-shaped limiting plates (32), and both ends of the top of the aligning sliding trolley (40) are respectively provided with limiting switch groups (33) at limiting positions corresponding to the positions of the ship-shaped limiting plates (32).

3. An automatic pilot crane according to claim 2, characterized in that: spring buffer assemblies (43) are further arranged at two ends of the aligning sliding trolley (40) respectively, and vehicle baffles (34) corresponding to the positions of the spring buffer assemblies (43) are arranged below the ship-shaped limiting plates (32) at two ends of the cross beam (30).

4. An automatic pilot crane according to claim 1, characterized in that: a balance spring (68) is arranged between the end part of the inclination angle transmission rod (61) and the electric hoist (50).

5. An automatic pilot crane according to claim 1, characterized in that: the connection part of the guide tube fixing seat (66) and the guide tube (65) is provided with a sliding groove (67).

6. An automatic pilot crane according to claim 1, characterized in that: and an inclination angle detection switch (42) is also arranged on the aligning sliding trolley (40).