CN219603078U - Lifting and lifting device with rigid and flexible guiding and fine adjusting functions - Google Patents

Abstract

The utility model relates to the technical field of cranes, and discloses a lifting and lifting device for rigid and flexible guiding and fine tuning, which comprises a crown block, a lifting appliance for hooking materials and a fine tuning device for adjusting the lifting appliance in a horizontal plane, wherein the fine tuning device is arranged at the top of the lifting appliance and lifts along with the lifting appliance; at least one winch is arranged on the crown block, and the winch is connected with the lifting appliance through a mooring rope; the overhead travelling crane is characterized in that at least two hollow bobbins are further arranged on the overhead travelling crane, guide rods capable of moving up and down relative to the hollow bobbins are sleeved in the hollow bobbins, and the end parts, far away from the hollow bobbins, of the guide rods are fixedly connected with the fine adjustment device. The device has compact structure, overcomes the shaking of the lifting appliance in the grabbing and running processes, and improves the final lifting precision.

Description

Lifting and lifting device with rigid and flexible guiding and fine adjusting functions

Technical Field

The utility model relates to the technical field of cranes, in particular to a lifting and lifting device with rigid and flexible guiding and fine tuning.

Background

In order to realize intelligent manufacturing of manufacturing industry, an intelligent crown block with a heavy-duty material accurate carrying function is a foundation for realizing automatic and intelligent production in the heavy-duty manufacturing field. The traditional form adopts electric reel winding wire rope to realize the rising of material or hoist and descends, owing to adopt wire rope to be flexible does not have the guide structure and relies on gravity effect completely, rise and descend the in-process and appear hoist in the horizontal plane rotation, slope, deflection scheduling problem easily, the handling precision is low, the error is big, rocks greatly, production efficiency is low, can't realize the material handling automation under the high accuracy occasion.

The prior art CN2019110418933 discloses a crane double-lifting device and a steel wire rope winding method, and specifically discloses:

including reel group, hanging beam (2) and hoist dolly, its characterized in that, the reel group includes first reel (101) and second reel (102), first reel (101) and second reel (102) correspond the upper end that sets up in hoist dolly, first reel (101) lower part is provided with first set pulley block (3), and second reel (102) lower part is provided with second set pulley block (4), first set pulley block (3) and second set pulley block (4) are about hoist dolly median line symmetry setting, are provided with first guiding mechanism between first reel (101) and the hoist dolly, are provided with second guiding mechanism between second reel (102) and the hoist dolly, first guiding mechanism and second guiding mechanism are used for two play structures to keep balance, be provided with first set pulley block (9) and second set pulley block (10) on hanging beam (2) correspondingly, first set pulley block (9) and second set pulley block (10) and hanging beam (2) fixed connection, first reel (101), second set pulley block (102), first wire rope guide (4), second set pulley block (4) and second guiding mechanism (10).

Although the prior art discloses a lifting device for connecting a crane and a trolley by using a steel wire, the lifting device only discloses a lifting device started by using a steel wire rope, and the technical problems of shaking and low lifting precision in the lifting process still cannot be solved.

Disclosure of Invention

The utility model solves the technical problems of shaking and low lifting precision in the lifting process in the prior art, thereby providing a lifting device with rigid and flexible guiding and fine tuning.

The aim of the utility model is achieved by the following technical scheme:

the device comprises a crown block, a lifting appliance for hooking materials and a fine adjustment device for adjusting the lifting appliance in a horizontal plane, wherein the fine adjustment device is placed at the top of the lifting appliance and lifts along with the lifting appliance; at least one winch is arranged on the crown block, and the winch is connected with a lifting appliance through a cable; the overhead travelling crane is characterized in that at least two hollow bobbins are further arranged on the overhead travelling crane, guide rods capable of moving up and down relative to the hollow bobbins are sleeved in the hollow bobbins, and the end parts, far away from the hollow bobbins, of the guide rods are fixedly connected with the fine adjustment device.

Preferably, the crown block includes a cart movable in an X-axis direction, and a dolly provided on the cart and movable in a Y-axis direction; the winch is arranged on the trolley.

Preferably, the number of the hollow bobbins is two, and the hollow bobbins are symmetrically arranged at two ends of the trolley.

Preferably, the fine adjustment device comprises a stand placed on top of the spreader and an adjustment part provided on the stand for adjusting and fixing the position of the spreader.

Preferably, the adjusting part is provided with servo push rods symmetrically arranged on the rack, and the servo push rods on two sides correspondingly push the lifting appliance to move in the horizontal plane from two sides and clamp the lifting appliance.

Preferably, the servo push rod is connected to the side wall of the rack.

Preferably, the bottom surface of the bench adjacent to the spreader is planar.

Preferably, the spreader includes a top beam in contact with the trimming means, a flat beam for mounting the fixed top beam, and barbs connected to the flat beam for hooking the object.

Preferably, the fine adjustment device is further provided with a laser ranging sensor for confirming the position of the lifted object.

Preferably, the device is signally connected to a production scheduling system.

Compared with the prior art, the utility model forms a flexible guiding device through the winch and the cable, and takes the hollow bobbin and the guiding rod as a rigid guiding device; thereby preventing the swing of the object in the swing process. The lifting appliance has the advantages that the free switching of the rigid and flexible states of the lifting appliance is realized, meanwhile, when the lifting appliance grabs or drops a lifting object, the position and the angle of the lifting appliance in the horizontal plane are adjusted through the fine adjustment device, the lifting appliance is locked from the two ends to be in a rigid state, the grabbing and the shaking of the lifting appliance in the running process can be prevented, the working efficiency is improved, the active fine adjustment of the gesture of a lifting workpiece can be realized, the accumulated errors in a plurality of actions of the lifting appliance are eliminated, and the final lifting precision is further improved. In addition, the device is connected with the production scheduling system through signals, tasks and lifting instructions for the tasks can be issued by the production scheduling system, the device can automatically complete lifting of materials, and overhead travelling crane operation is not required to be manually controlled.

The method has the following beneficial effects:

1) Through the overhead travelling crane, the automatic handling of the handling object is realized, and manual handling is not needed.

2) The hollow bobbin and the guide rod are added to serve as a rigid guide device, and shaking in the lifting process is placed.

3) The fine adjustment device is arranged, so that the displacement and rotation of the material on the lifting appliance in the horizontal plane can be realized, the material grabbing precision of the lifting appliance is improved, and the material discharging precision of the lifting appliance is also improved.

4) The laser ranging sensor is designed to confirm the actual position of the material on the lifting appliance, so that the discharging precision of the device is further improved.

Drawings

FIG. 1 is a schematic diagram of a rigid-flexible guiding and fine-tuning lifting and handling device according to the present utility model;

FIG. 2 is a cross-sectional view of a hollow barrel and guide rod of a rigid-flexible guide and fine-tuned lifting and handling device of the present utility model;

fig. 3 is a bottom view of a rigid-flexible guide and fine-tuned lifting and handling device according to the present utility model.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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.

Example 1

As shown in fig. 1`3, an automatic lifting and lifting device with rigid and flexible guiding and fine tuning functions is provided, the device comprises a crown block 1, a lifting appliance 2 for grabbing materials, and a fine tuning device 3 for adjusting the lifting appliance 2 in a horizontal plane, wherein the fine tuning device 3 is placed on the top of the lifting appliance 2 and lifts along with the lifting appliance 2; at least one winch is arranged on the crown block 1 and is connected with the lifting appliance 2 through a mooring rope 4; at least two hollow bobbins 5 are also arranged on the crown block 1, a guide rod 6 which can move up and down relative to the hollow bobbins 5 is sleeved in the hollow bobbins 5, and the end part of the guide rod 6 far away from the hollow bobbins 5 is fixedly connected with the fine adjustment device 3.

In the present embodiment, a crown block 1 is provided as a driving device for lifting an object to be lifted, and a lifting tool 2 for gripping the object to be lifted is connected through a hoist provided on the crown block 1. The crown block 1, the winch, the mooring rope 4 and the lifting appliance 2 form a flexible guiding device. It is easy to understand that if the overhead travelling crane 1 is connected to the lifting appliance 2 only through the cable 4 on the winch, so as to lift the object, the object will inevitably swing and shake obviously during the lifting process. Therefore, in order to solve the problem of swinging and shaking during the lifting process, a rigid guiding device is specially added in the embodiment, the rigid guiding device specifically comprises at least two hollow bobbins 5 fixedly connected to the crown block 1, a guiding rod 6 arranged in each hollow bobbin 5 and capable of moving up and down relative to the hollow bobbins 5, a fine tuning device 3 fixedly connected to the bottom of the guiding rod 6 far away from the hollow bobbins 5, and the fine tuning device 3 is placed at the top of the lifting appliance 2. The fine adjustment device 3 clamps the lifting appliance 2 from both ends, thereby flexibly driving the displacement and rotation of the lifting appliance 2 in the horizontal plane. In the lifting process, the fine adjustment device 3 clamps the lifting appliance 2 from two ends, the fine adjustment device 3 is connected with the hollow tube 5 on the crown block 1 through the guide rod 6, and when the lifting appliance 2 and a lifting object have a tendency of swinging and swinging, the fine adjustment device 3 does not move in the horizontal plane relative to the crown block 1 under the action of the guide rod 6 and the hollow tube 5, so that the purpose of preventing swinging and swinging in the lifting process can be achieved. Meanwhile, in order to protect the hollow bobbin 5, a wear-resistant layer 50 may be provided on the inner wall of the hollow bobbin 5.

And, micromatic setting 3 is from both ends centre gripping hoist 2, when grasping the material in-process when finding that hoist 2's angle or position exist the deviation with the overhead hoist object of placing subaerial, thereby can adjust hoist 2's position and angle in the horizontal plane through micromatic setting 3, in the blowing in-process, especially when needing to place certain processing bench or processing equipment with the material accuracy, thereby also can adjust hoist 2's position and angle again through micromatic setting 3, put into processing equipment's frock tool guider, return again micromatic setting, let hoist and work piece self-adaptation processing equipment frock tool's positioning requirement under the action of gravity, finally satisfy the production requirement. The lifting object is fixed on the lifting appliance 2, and when the lifting appliance 2 is subjected to position and angle adjustment under the action of the fine adjustment device 3, the lifting object naturally moves along with the lifting appliance 2. The rigid guide is defined as two parts which are arranged up and down in the vertical direction and are connected through a connecting part, and under the action of the connecting part, the two parts which are arranged up and down can be mutually close to or far away from each other in the vertical direction, and are in the horizontal direction instead, and cannot move relatively.

Currently, in order to improve production efficiency, industrial automation is realized. The production workshop is generally provided with a production scheduling system, an operator issues tasks and lifting instructions for the tasks through the production scheduling system, and the device can automatically complete lifting of materials without manually controlling crown block operation. The labor cost is reduced, and the automatic operation is realized.

Through the design, this device not only includes flexible guider, rigidity guider, still include simultaneously and carry out the micromatic setting 3 of position adjustment to hoist 2, realized the free switching of hoist rigidity and flexible state, simultaneously, hoist 2 is snatching or when the unloading hoist transport object, position and angle in the horizontal plane through micromatic setting 3 adjustment hoist 2 to from both ends locking hoist 2 is the rigidity state, not only can prevent the hoist snatch with the operation in-process swing, rock, improve work efficiency, can realize the gesture initiative fine setting of handling work piece again, eliminate the accumulated error in a plurality of actions of hoist, further improve final handling precision.

Example 2

The device comprises a crown block 1, a lifting appliance 2 for grabbing materials, and a fine adjustment device 3 for adjusting the lifting appliance 2 in a horizontal plane, wherein the fine adjustment device 3 is arranged at the top of the lifting appliance 2 and is lifted along with the lifting appliance 2; at least one winch is arranged on the crown block 1 and is connected with the lifting appliance 2 through a mooring rope 4; at least two hollow bobbins 5 are also arranged on the crown block 1, a guide rod 6 which can move up and down relative to the hollow bobbins 5 is sleeved in the hollow bobbins 5, and the end part of the guide rod 6 far away from the hollow bobbins 5 is fixedly connected with the fine adjustment device 3.

The difference between this embodiment and embodiment 1 is that: the crown block 1 includes a carriage 10 movable in the X-axis direction, and a carriage 11 provided on the carriage 10 and movable in the Y-axis direction; the hoist is provided on the trolley 11. The cart 10 is used for driving in the X-axis direction, and the trolley 11 is used for driving in the Y-axis direction, so that the transportation of the lifted objects is satisfied.

In this embodiment, the number of the hollow bobbins 5 may be two, and the hollow bobbins 5 are symmetrically disposed at two ends of the trolley 11. Guide rods 6 are sleeved in each hollow pipe 5, and the two hollow pipes 5 are symmetrically arranged at two ends of the trolley 11, so that the purpose of better shaking prevention is achieved.

The fine adjustment device 3 comprises a stand 30 placed on top of the spreader 2 and an adjustment part provided on the stand 30 for adjusting and fixing the position of the spreader 2. Meanwhile, the adjusting part can be specifically configured as servo push rods 31 symmetrically arranged on the rack 30, and the servo push rods 31 on the two sides correspondingly push the lifting appliance 2 from the two sides to move in the horizontal plane and clamp the lifting appliance 2. When the position of the lifting appliance 2 needs to be adjusted, if the lifting appliance 2 needs to be moved to the left for fine adjustment, the servo push rod 31 on the left side is retracted to a little, and the servo push rod 31 on the right side is extended to a little. The adjusting part is arranged to be a servo push rod 31, so that the position of the lifting appliance 2 can be automatically adjusted, manual operation is replaced, the operation precision is improved, and the operation efficiency is improved.

Specifically, four servo pushrods 31 may be provided, one by one, for the left and right sides provided at both ends of the spreader 2, respectively. Under the action of the four servo push rods 31, the lifting appliance 2 can realize translational and rotational movements in the horizontal plane. Thereby finally realizing the adjustment of the position of the object to be lifted on the lifting appliance 2. For ease of installation and ease of pushing the spreader 2 by the servo push rod 31, the servo push rod 31 may be provided in particular on a side wall 32 of the gantry 30.

In this embodiment, in order to ensure that the fine adjustment device 3 can be placed on the spreader 2 smoothly and to prevent the spreader 2 from tilting during lifting, the bottom surface of the gantry 30 contacting the spreader 2 may be set to be a parallel surface. The lifting appliance has the advantage that the lifting appliance can be prevented from overturning due to uneven load of the materials to be lifted.

Meanwhile, in order to accurately judge the position of the lifting object, a laser ranging sensor for confirming the position of the lifting object can be further arranged on the fine adjustment device 3.

Example 3

The device comprises a crown block 1, a lifting appliance 2 for grabbing materials, and a fine adjustment device 3 for adjusting the lifting appliance 2 in a horizontal plane, wherein the fine adjustment device 3 is arranged at the top of the lifting appliance 2 and is lifted along with the lifting appliance 2; at least one winch is arranged on the crown block 1 and is connected with the lifting appliance 2 through a mooring rope 4; at least two hollow bobbins 5 are also arranged on the crown block 1, a guide rod 6 which can move up and down relative to the hollow bobbins 5 is sleeved in the hollow bobbins 5, and the end part of the guide rod 6 far away from the hollow bobbins 5 is fixedly connected with the fine adjustment device 3.

The difference between this embodiment and embodiment 1 is that: the spreader 3 comprises a top beam 20 in contact with the fine adjustment means 3, a flat beam 21 for mounting the fixed top beam 20, and barbs 22 attached to the flat beam 21 for gripping the object. Through barb 22 on hoist 2, snatch the object of waiting the handling, guarantee that the handling object can effectually be fixed on hoist 2. To facilitate the movement of the spreader 2 by the fine adjustment means 3, a universal ball 23 may also be provided on top of the top beam 20.

Example 4

The device comprises a crown block 1, a lifting appliance 2 for grabbing materials, and a fine adjustment device 3 for adjusting the lifting appliance 2 in a horizontal plane, wherein the fine adjustment device 3 is arranged at the top of the lifting appliance 2 and is lifted along with the lifting appliance 2; at least one winch is arranged on the crown block 1 and is connected with the lifting appliance 2 through a mooring rope 4; at least two hollow bobbins 5 are also arranged on the crown block 1, a guide rod 6 which can move up and down relative to the hollow bobbins 5 is sleeved in the hollow bobbins 5, and the end part of the guide rod 6 far away from the hollow bobbins 5 is fixedly connected with the fine adjustment device 3.

The difference between this embodiment and the above embodiment is that: the device is also connected with a production scheduling system by signals. The production scheduling system controls the relative movement of the crown block 1, the winch and the fine adjustment device 3, so that automatic operation is realized. The production scheduling system is a technical scheme of relative maturity in industry, and detailed description of the production scheduling system is omitted.

It is apparent that the above examples are only examples for clearly illustrating the technical solution of the present utility model, and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The device comprises a crown block, a lifting appliance for grabbing materials and a fine adjustment device for adjusting the lifting appliance in a horizontal plane, wherein the fine adjustment device is placed at the top of the lifting appliance and lifts along with the lifting appliance; at least one winch is arranged on the crown block, and the winch is connected with a lifting appliance through a cable; the overhead travelling crane is characterized in that at least two hollow bobbins are further arranged on the overhead travelling crane, guide rods capable of moving up and down relative to the hollow bobbins are sleeved in the hollow bobbins, and the end parts, far away from the hollow bobbins, of the guide rods are fixedly connected with the fine adjustment device.

2. The rigid-flexible guiding and fine-tuning lifting and lifting device according to claim 1, wherein the crown block comprises a cart movable in the X-axis direction and a cart disposed on the cart and movable in the Y-axis direction; the winch is arranged on the trolley.

3. The lifting and lifting device with rigid and flexible guiding and fine tuning according to claim 2, wherein the number of the hollow bobbins is two, and the hollow bobbins are symmetrically arranged at two ends of the trolley.

4. A rigid-flexible guiding and fine-tuning lifting and handling device as claimed in claim 1, wherein the fine-tuning device comprises a stand placed on top of the spreader and an adjusting part provided on the stand for adjusting and fixing the position of the spreader.

5. The lifting and lifting device with rigid and flexible guiding and fine tuning as claimed in claim 4, wherein the adjusting part is a servo push rod symmetrically arranged on the rack, and the servo push rods on two sides correspondingly push the lifting appliance from two sides to move in a horizontal plane and clamp the lifting appliance.

6. The rigid-flexible guided and trimmed lifting and handling device of claim 5 wherein said servo pushrods are attached to the side walls of the gantry.

7. The rigid-flexible guided and trimmed lifting and handling device of claim 4 wherein the bottom surface of the gantry adjacent to the spreader is planar.

8. A rigid-flexible guided and trimmed lifting sling as defined in claim 1, wherein the sling includes a top beam in contact with the trimming device, a flat beam for mounting the fixed top beam, and barbs attached to the flat beam for hooking an object.

9. The lifting and lifting device for rigid and flexible guiding and fine tuning according to claim 1, wherein the fine tuning device is further provided with a laser ranging sensor for confirming the position of the lifted object.

10. A rigid-flexible-guided and fine-tuned lifting device according to any one of claims 1-9, wherein said lifting device is signally connected to a production scheduling system.