CN209872152U - Multifunctional crane - Google Patents

Abstract

The utility model discloses a multifunctional crane belongs to the hoisting equipment field. The multifunctional crane comprises a cart bridge assembly, a trolley assembly and a hoisting mechanism, wherein the trolley assembly is arranged on the cart bridge assembly in a rolling mode, the hoisting mechanism is connected with a lifting appliance, a rotating mechanism used for driving the lifting appliance to rotate is arranged on the trolley assembly, the rotating mechanism is connected with a synchronous telescopic trolley mechanism, and the synchronous telescopic trolley mechanism is connected with the lifting appliance through a pitching mechanism. The embodiment of the utility model provides a through set up rotary mechanism on the dolly assembly to link to each other rotary mechanism with the hoist through the synchronous flexible car mechanism that has fixed guide pillar and activity vehicle post, alright control hoist rotates, and the degree of rocking when equipment moves improves positioning accuracy and operating flexibility. Additionally, the embodiment of the utility model provides a still through setting up every single move mechanism, can also adjust the inclination of hoist to can guarantee the stability of hoist when the fork is played or is hoisted article.

Description

Multifunctional crane

Technical Field

The utility model relates to a hoisting equipment field specifically is a multifunctional crane.

Background

With the rapid increase of national economy, the total amount of goods circulation and storage business is increased year by year, in the years, the logistics warehousing industry of China develops at a high speed, and in spite of the rapid increase of the income of the logistics warehousing business or the continuous expansion of novel logistics warehousing service items, the warehousing and material special use of the logistics intermediate link contains huge manpower and material resources and also contains huge market space.

However, wheel-type forklifts and tunnel-type stackers are mostly adopted in the three-dimensional logistics storage warehouse, and the working efficiency is low; in addition, the crane used in the industrial factory building and the storehouse in the prior art only has a lifting function, does not have a rotating function and a function of controlling the lifting appliance to pitch, and has poor stability in the lifting process. Therefore, a multifunctional crane which can replace a wheel type forklift and a roadway type stacker and is applied to a three-dimensional storage warehouse is urgently needed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multifunctional crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a multifunctional crane, includes cart crane span structure assembly, dolly assembly and hoisting mechanism, dolly assembly roll and set up on cart crane span structure assembly, hoisting mechanism link to each other with the hoist, dolly assembly on be equipped with and be used for driving the hoist and carry out pivoted rotary mechanism, rotary mechanism and synchronous flexible car mechanism link to each other, synchronous flexible car mechanism pass through every single move mechanism and hoist and link to each other.

The utility model adopts a preferred scheme, the cart bridge assembly comprises two groups of symmetrically arranged main beams and a first displacement mechanism for driving the cart bridge assembly to perform horizontal displacement, and the two groups of main beams are connected through two groups of symmetrically arranged end beams; the main beam is provided with a guide rail, and the guide rail is in rolling connection with the trolley assembly.

The utility model discloses an another kind of preferred scheme, first displacement mechanism include two sets of first motors and a plurality of first wheels of group, first wheels rotate and install on the end beam, the first wheels of first motor drive roll.

The utility model discloses an another kind preferred scheme, the dolly assembly include the dolly frame and be used for driving the dolly assembly and carry out the second displacement mechanism of displacement on the guide rail, rotary mechanism set up on the dolly frame.

The utility model adopts another preferred scheme, the second displacement mechanism comprises two groups of second motors and a plurality of groups of second wheels, and the second wheels are rotatably arranged on the trolley frame and are in rolling connection with the guide rail; the second motor drives the second wheel to roll.

The utility model adopts another preferred scheme, the rotating mechanism comprises a slewing bearing and at least one group of driving gears, and the slewing bearing is arranged on the trolley frame and meshed with the driving gears; the driving gear is connected with a third motor; the slewing bearing is also connected with a synchronous telescopic vehicle mechanism.

The utility model adopts another preferred scheme that the synchronous telescopic vehicle mechanism comprises a fixed guide post and a plurality of groups of movable vehicle posts which are distributed up and down, the fixed guide post is connected with a rotating mechanism, and two adjacent groups of the movable vehicle posts are sleeved together and are in sliding connection; the fixed guide post is connected with the pitching mechanism through a plurality of groups of movable vehicle posts.

The utility model adopts another preferred scheme, the pitching mechanism comprises a fixed hanging beam and a first hydraulic cylinder, the fixed hanging beam is rotatably arranged on the movable column at the lowest layer, and two ends of the first hydraulic cylinder are respectively rotatably connected with the fixed hanging beam and the movable column at the lowest layer; the fixed hoisting beam is connected with the hoisting tool and is connected with one end of the hoisting mechanism.

According to another preferred scheme adopted by the utility model, the hoisting mechanism comprises at least one group of electric hoisting drum and movable idler wheels, the electric hoisting drum is rotatably installed on the fixed guide pillar, and the movable idler wheels are rotatably installed on the fixed hanging beam; and the electric lifting winding drum is connected with the fourth motor and is connected with the movable roller through a rope.

The utility model discloses an another kind of preferred scheme, the hoist on rotate and be provided with second pneumatic cylinder and digging arm, second pneumatic cylinder rotate with the digging arm and be connected, the digging arm rotate with the clamp plate and be connected.

The embodiment of the utility model provides an above-mentioned technical scheme compares in prior art, has following technological effect:

(1) the embodiment of the utility model provides a hoist merges ground fork truck, tunnel stacker and bridge crane function at the workshop within range, so can be referred to as "fork truck in the air" for short.

(1) The embodiment of the utility model provides a through the setting have the cart crane span structure assembly of first displacement mechanism to and the setting has the dolly assembly of second displacement mechanism, alright control hoist carries out the vertical and lateral displacement of horizontal direction. Additionally, the embodiment of the utility model provides a still through set up the rotary mechanism that has slewing bearing, driving gear and third motor on the dolly assembly to link to each other rotary mechanism with the hoist through the synchronous flexible car mechanism that has fixed guide pillar and activity vehicle post, alright control hoist rotates, and can reduce the degree of rocking of hoist when lifting by crane and moving.

(2) The embodiment of the utility model provides a still have the every single move mechanism of first pneumatic cylinder through the setting and will synchronous flexible car mechanism and hoist to be connected, alright adjust the inclination of hoist through the flexible of first pneumatic cylinder to can guarantee the stability of hoist when fork or hoisting article.

Drawings

Fig. 1 is a front view of a multifunctional crane provided in embodiment 1.

Fig. 2 is a schematic structural diagram of a cart bridge assembly provided in embodiment 1.

Fig. 3 is a schematic structural diagram of the cart assembly provided in embodiment 1.

Fig. 4 is a schematic structural diagram of a side view of a multifunctional crane provided in embodiment 1.

Fig. 5 is a schematic structural diagram of an main view of the multifunctional crane provided in embodiment 1.

Fig. 6 is a schematic structural diagram of a spreader of the multifunctional crane provided in embodiment 2.

In the figure: 1-main beam, 2-end beam, 3-trolley frame, 4-fixed guide post, 5-movable column, 6-sling, 7-maintenance platform, 8-guide rail, 9-first motor, 10-first wheel, 11-second wheel, 12-second motor, 13-slewing bearing, 14-driving gear, 15-third motor, 16-fixed hanging beam, 17-electric lifting drum, 18-fourth motor, 19-movable roller, 20-rope, 21-first hydraulic cylinder, 22-pressing plate, 23-second hydraulic cylinder and 24-movable arm.

Detailed Description

The following specific embodiments are specifically and clearly described in the technical solutions of the present application with reference to the drawings provided in the present specification. The drawings in the specification are for clarity of presentation of the technical solutions of the present application, and do not represent shapes or sizes in actual production or use, and reference numerals of the drawings are not limited to the claims involved.

In addition, in the description of the present application, terms used should be construed broadly, and specific meanings of the terms may be understood by those skilled in the art according to actual situations. For example, the terms "disposed" and "disposed," as used in this application, may be defined as either a contact or a non-contact arrangement, etc.; the terms "connected" and "coupled" as used herein may be defined as mechanically, electrically, or both fixedly and removably coupled; the terms "first", "second", and the like 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; all the terms of orientation used are used with reference to the drawings or are based on the direction defined by the actual situation and the common general knowledge.

Example 1

Referring to fig. 1-5, the embodiment provides a multifunctional crane, which comprises a lifting appliance 6, a crane bridge assembly, a trolley assembly, a lifting mechanism, a synchronous telescopic trolley mechanism, a rotating mechanism and a pitching mechanism. The lifting appliance 6 is used for clamping or lifting an article; the large crane bridge assembly can enable the whole crane to longitudinally and horizontally displace in a workshop; the trolley assembly is arranged on the cart bridge frame assembly in a rolling manner; the hoisting mechanism is used for driving the lifting appliance 6 to lift; the synchronous telescopic vehicle mechanism is matched with the lifting mechanism to carry out lifting work so as to ensure the stability of the lifting appliance 6 during lifting; the rotating mechanism is used for driving the lifting appliance 6 to rotate by 0-180 degrees; the pitching mechanism is used for adjusting the inclination angle of the spreader 6.

Specifically, referring to fig. 2, the cart bridge assembly includes two groups of symmetrically arranged main beams 1 and a first displacement mechanism for driving the cart bridge assembly to perform longitudinal displacement, and the two groups of main beams 1 are fixedly connected by two groups of symmetrically arranged end beams 2; the main beam 1 is provided with a guide rail 8, and the guide rail 8 is in rolling connection with the trolley assembly. In addition, still be equipped with maintenance platform 7 on the cart crane span structure assembly, the staff of being convenient for overhauls the hoist.

The first displacement mechanism comprises two groups of first motors 9 and four groups of first wheels 10, and the first wheels 10 are rotatably arranged on the end beam 2, so that position errors can be prevented when the cart assembly is subjected to horizontal displacement. The two groups of first motors 9 are used for driving the first wheels 10 on the two groups of end beams 2 to roll. The first motor 9 can be a servo motor or a variable frequency motor in the prior art, and the first motor 9 drives the first wheels 10 to rotate, so that the crane bridge assembly and the whole crane can be driven to horizontally displace on a workshop track. The first motor 9 is provided with a speed reducer and can brake through a magnetic disc type brake; in addition, the first motor 9 can be additionally provided with an encoder or a laser range finder in the prior art so as to accurately position the crane.

Further, referring to fig. 3, in order to facilitate the transverse displacement of the spreader 6, the trolley assembly includes a trolley frame 3 and a second displacement mechanism for driving the trolley assembly to perform the transverse displacement on the guide rail 8; the second displacement mechanism comprises two groups of second motors 12 and four groups of second wheels 11, the second wheels 11 are rotatably arranged on the trolley frame 3, the trolley frame 3 is of a square frame structure, and four corners of the trolley frame are respectively provided with one group of second wheels 11; the second wheel 11 is connected with the guide rail 8 in a rolling manner, and the second motor 12 is connected with one group of second wheels 11. The second wheel 11 can be an eccentric shaft type wheel, so that position errors can be prevented when the trolley assembly is subjected to horizontal displacement; the second motor 12 is a three-in-one variable frequency motor or a servo motor in the prior art, is provided with an encoder and a brake, and can drive the second wheel 11 to rotate through the second motor 12, so that the trolley assembly can be driven to displace on the guide rail 8 of the main beam 1.

Further, referring to fig. 3, in order to drive the spreader 6 to rotate 0 to 180 °, the rotating mechanism is disposed on the trolley frame 3; specifically, the rotating mechanism comprises a slewing bearing 13 and at least one group of driving gears 14, the slewing bearing 13 is an external tooth type slewing bearing, and an inner ring of the slewing bearing is fixedly arranged on the trolley frame 3; the rotary support 13 is also meshed with a driving gear 14; the driving gear 14 is connected with a third motor 15; the third motor 15 can be a speed reduction motor in the prior art, the third motor 15 can drive the driving gear 14 to rotate, and the rotation of the driving gear 14 can drive the outer ring of the slewing bearing 13 to rotate. The synchronous telescopic vehicle mechanism passes through the trolley frame 3 and is fixedly connected with the outer ring of the slewing bearing 13.

Specifically, referring to fig. 4, the synchronous telescopic vehicle mechanism includes a fixed guide post 4 and a plurality of movable vehicle posts 5 which are vertically distributed, the fixed guide post 4 is fixedly connected with the outer ring of a pivoting support 13 connected to the trolley frame 3, the fixed guide post 4 is connected with each section of movable vehicle post 5 below the fixed guide post through a synchronous chain, and is positioned through a rolling rail, and the movable vehicle post 5 on the uppermost layer is sleeved in the fixed guide post 4 and is in rolling connection with the fixed guide post 4 through the rolling rail. Through the setting of synchronous flexible car mechanism, can reduce the degree of rocking that hoist 6 is going on going up and down and is moving.

Further, referring to fig. 5, in order to adjust the tilt angle of the spreader 6, the fixed guide posts 4 are connected to the pitching mechanism through a plurality of sets of movable pillars 5. Specifically, the pitching mechanism comprises a fixed hanging beam 16 and a first hydraulic cylinder 21, the fixed hanging beam 16 is rotatably mounted on the lowermost movable column 5, and two ends of the first hydraulic cylinder 21 are respectively rotatably connected with the fixed hanging beam 16 and the lowermost movable column 5; the fixed hanging beam 16 and the hanger 6 are detachably connected through bolts so as to be convenient for replacing hangers of different types. The fixed lifting beam 16 can be driven to rotate by the extension and retraction of the first hydraulic cylinder 21, so that the inclination angle of the lifting appliance 6 can be adjusted to ensure the safety and stability when a fork-shaped lifting appliance is used.

In addition, the hoisting mechanism comprises two groups of electric hoisting drums 17 and movable rollers 19 which are symmetrically arranged, the electric hoisting drums 17 are rotatably arranged on the fixed guide posts 4, and the movable rollers 19 are rotatably arranged on the fixed hoisting beams 16; the electric lifting drum 17 is fixedly connected with a fourth motor 18 and is connected with a movable roller 19 through a rope 20, and the rope 20 is a steel wire rope. Wherein, the fourth motor 18 adopts trinity inverter motor among the prior art, and it has tep reel formula stopper and encoder to it can drive hoist 6 to carry out the lift operation of high accuracy to play through the rotation of the electronic reel 17 that rises of drive.

When the crane provided by the embodiment is used, the whole crane can be driven to move to the area where the target object is located by starting the first motor 9; then, the second motor 12 is started to drive the trolley assembly to move, and the trolley assembly accurately reaches the upper part of the target object; then, by starting the fourth motor 18 and cooperating with the third motor 15, the lifting appliance 6 can lift or fork the target object, and the inclination angle of the lifting appliance 6 can be adjusted by the first hydraulic cylinder 21; then, the spreader 6 is lifted by the fourth motor 18, and the lifting operation of the target object is performed.

In summary, the embodiment can control the longitudinal and transverse displacement of the spreader 6 in the horizontal direction by providing the large bridge assembly with the first displacement mechanism and providing the small bridge assembly with the second displacement mechanism. In addition, the embodiment also arranges a rotating mechanism with a slewing bearing 13, a driving gear 14 and a third motor 15 on the trolley assembly, and connects the rotating mechanism with the lifting appliance 6 through a synchronous telescopic trolley mechanism with a fixed guide post 4 and a movable trolley post 5, so that the lifting appliance 6 can be controlled to rotate, and the shaking degree of the lifting appliance 6 during lifting can be reduced.

In addition, the embodiment also connects the synchronous telescopic vehicle mechanism and the lifting appliance 6 by arranging the pitching mechanism with the first hydraulic cylinder 21, so that the inclination angle of the lifting appliance 6 can be adjusted by the stretching of the first hydraulic cylinder 21, and the stability of the lifting appliance 6 in the process of forking or lifting an article can be ensured.

Example 2

Referring to fig. 6, in order to further improve the stability and safety of the spreader 6 when the user forks an object, the embodiment is improved on the basis of embodiment 1, specifically, a second hydraulic cylinder 23 and a movable arm 24 are rotatably disposed on the spreader 6, the second hydraulic cylinder 23 is rotatably connected to the movable arm 24, and the movable arm 24 is rotatably connected to the pressing plate 22. The movable arm 24 is of a hook-shaped structure, the second hydraulic cylinder 23 can stretch and retract to drive the movable arm 24 to rotate, the movable arm 24 can rotate to drive the pressing plate 22 to rotate, and the pressing plate 22 can be made to tightly attach to an object forked by the lifting appliance 6, so that the stability and the safety of the object during lifting can be improved.

It should be noted that the control mode of the crane can adopt manual control or automatic control. The crane is controlled manually by a multifunctional remote controller in the prior art, and the crane can be controlled by an operator conveniently, accurately and safely to load, unload and carry materials by combining safety limit and positioning feedback signals; the automatic control can adopt the components of a sensor, a frequency converter, a PLC, a multifunctional remote controller, a touch screen and the like in the prior art, the control interface sets instructions for the crane to complete the set task according to the programming process route, and the ground and the heaven limit signal feedback and the running encoders or laser real-time detection data feedback form closed-loop control, so that the set work can be automatically completed in the working process. The control modes of the two are not the technical points to be improved in the present application, and the control modes disclosed in the prior art can be adopted, so that the detailed description is omitted here.

In addition, the above embodiments are only specifically and clearly described with respect to the technical solutions and the technical features of the present application. However, to those skilled in the art, aspects or features that are part of the prior art or common general knowledge are not described in detail in the above embodiments.

Of course, the technical solutions of the present application are not limited to the above-mentioned embodiments, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may also be appropriately combined, so that other embodiments that may be understood by those skilled in the art may be formed.

Claims (10)

1. The utility model provides a multifunctional crane, includes cart crane span structure assembly, dolly assembly and hoisting mechanism, dolly assembly roll and set up on cart crane span structure assembly, hoisting mechanism link to each other with hoist (6), its characterized in that, dolly assembly on be equipped with and be used for driving hoist (6) and carry out pivoted rotary mechanism, rotary mechanism and synchronous flexible car mechanism link to each other, synchronous flexible car mechanism pass through every single move mechanism and link to each other with hoist (6).

2. The multifunctional crane according to claim 1, wherein the crane bridge assembly comprises two symmetrically arranged main beams (1) and a first displacement mechanism for driving the crane bridge assembly to perform horizontal displacement, and the two main beams (1) are connected through two symmetrically arranged end beams (2); the main beam (1) is provided with a guide rail (8), and the guide rail (8) is in rolling connection with the trolley assembly.

3. Multifunctional crane according to claim 2, characterized in that the first displacement mechanism comprises two sets of first motors (9) and a plurality of sets of first wheels (10), the first wheels (10) are rotatably mounted on the end beam (2), and the first motors (9) drive the first wheels (10) to roll.

4. Multifunctional crane according to claim 2, wherein the trolley assembly comprises a trolley frame (3) and a second displacement mechanism for driving the trolley assembly to displace on the guide rail (8), and the rotation mechanism is arranged on the trolley frame (3).

5. Multifunctional crane according to claim 4, wherein the second displacement mechanism comprises two sets of second motors (12) and a plurality of sets of second wheels (11), the second wheels (11) are rotatably mounted on the trolley frame (3) and are in rolling connection with the guide rail (8); the second motor (12) drives the second wheel (11) to roll.

6. The multifunctional crane as claimed in claim 4, wherein the rotating mechanism comprises a rotary support (13) and at least one set of driving gears (14), the rotary support (13) is mounted on the trolley frame (3) and meshed with the driving gears (14); the driving gear (14) is connected with a third motor (15); the slewing bearing (13) is also connected with a synchronous telescopic vehicle mechanism.

7. The multifunctional crane according to claim 1 or 6, wherein the synchronous telescopic trolley mechanism comprises a fixed guide post (4) and a plurality of groups of movable trolley posts (5) distributed up and down, the fixed guide post (4) is connected with the rotating mechanism, and two adjacent groups of the movable trolley posts (5) are sleeved together and connected in a sliding manner; the fixed guide post (4) is connected with the pitching mechanism through a plurality of groups of movable vehicle posts (5).

8. The multifunctional crane as claimed in claim 7, wherein the pitching mechanism comprises a fixed suspension beam (16) and a first hydraulic cylinder (21), the fixed suspension beam (16) is rotatably mounted on the lowermost movable column (5), and two ends of the first hydraulic cylinder (21) are rotatably connected with the fixed suspension beam (16) and the lowermost movable column (5), respectively; the fixed hoisting beam (16) is connected with the hoisting tool (6) and is connected with one end of the hoisting mechanism.

9. The multifunctional crane according to claim 8, wherein the hoisting mechanism comprises at least one set of electric hoisting drum (17) and movable roller (19), the electric hoisting drum (17) is rotatably mounted on the fixed guide pillar (4), and the movable roller (19) is rotatably mounted on the fixed hoisting beam (16); the electric lifting winding drum (17) is connected with a fourth motor (18) and is connected with a movable roller (19) through a rope (20).

10. The multifunctional crane according to claim 1 or 8, wherein the spreader (6) is rotatably provided with a second hydraulic cylinder (23) and a movable arm (24), the second hydraulic cylinder (23) is rotatably connected with the movable arm (24), and the movable arm (24) is rotatably connected with the pressure plate (22).