CN220845179U

CN220845179U - Roller replacing device based on single hook lifting

Info

Publication number: CN220845179U
Application number: CN202322555186.4U
Authority: CN
Inventors: 何加良
Original assignee: Liansheng Paper Industry Longhai Co ltd
Current assignee: Liansheng Paper Industry Longhai Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-26
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a roller changing device based on single hook lifting, wherein a balancing weight is connected with a sliding rail and is arranged at the end part of the sliding rail; the hoisting device is arranged on the balancing weight, the sliding rail or the joint of the balancing weight and the sliding rail, and is used for being connected with a lifting hook; the moving device is arranged on the sliding rail in a sliding way, the moving device is mutually matched with the sliding rail, and the moving device is used for supporting the roller body; when the lifting hook is lifted, the gravity center of the roller body and the gravity center of the balancing weight are respectively arranged at two sides of the lifting device. Through the arrangement of the balancing weight, the sliding rail and the lifting device, when the lifting hook lifts the roller body, the balancing weight can balance the weight of the roller body, and the roller body is in a horizontal state to prevent the roller body from tilting; it is also avoided that the hooks block the roll body during roll changing operations. Thereby improving the installation efficiency of the roller body; and meanwhile, the safety performance is improved.

Description

Roller replacing device based on single hook lifting

Technical Field

The utility model relates to the technical field of roll changing of paper machines, in particular to a roll changing device based on single hook lifting.

Background

Because the press section roll body of the paper machine has compact structure, the roll replacement is inconvenient. The old structure is that the support is added below the bearing frame, the thin cushion block is additionally pulled out, the bolt is required to be disassembled when the roller is replaced, one end of the roller body is lifted by the crane, the thin cushion block and the bearing frame are pulled out, the roller body is pulled out outwards and the roller is replaced, the whole process is long in time consumption, and potential safety hazards are caused by injuring operators easily.

In order to solve the problems, a trolley and a rail are arranged below a new roller body, and a crane synchronously lifts the new roller body, the trolley and a sliding rail, so that the new roller body is braked to one side outside the paper machine, and then the new roller body is pushed along the rail, the new roller body is dismounted and pushed into the paper machine by manpower.

Referring to the attached figure 1 of the specification, the technical scheme realizes synchronous movement of the new roller body, the trolley and the sliding rail by connecting the hanging hooks with the tail ends of the rail; however, in the process of assembling the roller body, the lifting hook connected with the sliding rail can block the running direction of the roller body so as to influence the installation of the roller body.

Disclosure of utility model

In view of the above problems, the present application provides a roller changing device based on single hook lifting, so as to improve the installation efficiency of a roller body, shorten the roller changing time, and improve the productivity of a paper machine in unit time; meanwhile, the safety performance is improved, and the operator is prevented from being injured when dragging the roller body.

In order to achieve the above object, the present application provides a roller changing device based on single hook lifting, comprising:

a slide rail;

the balancing weight is connected with the sliding rail and is arranged at the end part of the sliding rail;

The lifting device is arranged on the balancing weight, the sliding rail or the joint of the balancing weight and the sliding rail, wherein the lifting device is used for being connected with a lifting hook;

The moving device is arranged on the sliding rail in a sliding way, is mutually matched with the sliding rail and is used for supporting the roller body;

when the lifting hook is lifted, the gravity center of the roller body and the gravity center of the balancing weight are respectively arranged at two sides of the lifting device.

In the technical scheme of the embodiment of the application, the balancing weight and the sliding rail are welded with each other.

According to the technical scheme provided by the embodiment of the application, the outer surfaces of the sliding rail and the balancing weight are provided with the milky antirust paint layer.

In the technical scheme of the embodiment of the application, the lifting device is arranged at the joint of the balancing weight and the sliding rail.

In the technical scheme of the embodiment of the application, the moving device is arranged on one side of the lifting device away from the balancing weight in a sliding manner.

In the technical scheme of the embodiment of the application, the lifting device is fixedly connected with the balancing weight and/or the sliding rail.

In the technical scheme of the embodiment of the application, the surface of the moving device for supporting the roller body is provided with a recess matched with the roller body.

In the technical scheme of the embodiment of the application, the balancing weight is a metal balancing weight.

Compared with the prior art, the technical scheme is characterized in that the balancing weight, the sliding rail and the lifting device are arranged, so that when the lifting hook lifts the roller body, the balancing weight can balance the weight of the roller body, and the roller body is in a horizontal state to prevent the roller body from tilting; it is also avoided that the hooks block the movement of the roll body during roll changing operations. The installation efficiency of the roller body is further improved, the roller changing time is shortened, and the productivity of the paper machine in unit time is improved; meanwhile, the safety performance is improved, and the injury of operators when dragging the roller body is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a block diagram of a prior art dual hook lifting of the slide rail;

Fig. 2 is a block diagram of a roller changing device based on single hook lifting in an embodiment;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a block diagram of a moving device and a roller body according to an embodiment;

Fig. 5 is a block diagram of a slide rail and a counterweight according to an embodiment.

Reference numerals illustrate:

10. A slide rail; 20. balancing weight; 30. a hoisting device; 40. a mobile device; 50. a roller body; 60. a lifting hook; 70. a paper machine.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; 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 embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

It should be noted that, because the press section roll body 50 of the paper machine 70 is compact, roll replacement is inconvenient. The old structure is to add the support below the bearing frame, add and take out thin cushion again, need unpack the bolt when changing the roller, lift the one end of roll body 50 with the driving, take out thin cushion and bearing frame, then pull out roll body 50 and carry out the roll change outwards, and whole process consumes time to be long, and injures operating personnel easily and cause the potential safety hazard.

In order to solve the above problems, the crane lifts the new roll body 50, the trolley and the slide rail 10 simultaneously by providing the trolley and the rail under the new roll body 50, so that the new roll body 50 is braked to the outer side of the paper machine 70, and then pushes the new roll body 50 along the rail, removes the new roll body 50 and pushes the new roll body 50 into the paper machine 70 by manpower.

Referring to fig. 1 of the specification, in the above technical solution, the hooks 60 are connected to two ends of the rail, so as to realize synchronous movement of the new roller 50, the trolley and the sliding rail 10; however, during assembly of the roll body 50, the hooks 60 attached to the slide rail 10 may block the traveling direction of the roll body 50 and thus affect the installation of the roll body 50.

Referring to fig. 2 to 5 of the specification, the embodiment discloses a roller changing device based on single hook lifting, which includes:

A slide rail 10;

The balancing weight 20 is connected with the sliding rail 10, and the balancing weight 20 is arranged at the end part of the sliding rail 10;

The lifting device 30 is arranged on the balancing weight 20, the sliding rail 10 or the joint of the balancing weight 20 and the sliding rail 10, wherein the lifting device 30 is used for being connected with a lifting hook 60;

the moving device 40 is slidably arranged on the sliding rail 10, the moving device 40 and the sliding rail 10 are mutually matched, and the moving device 40 is used for supporting the roller body 50;

When the hook 60 is lifted, the center of gravity of the roller 50 and the center of gravity of the counterweight 20 are respectively disposed at two sides of the lifting device 30.

The slide rail 10 includes: the novel sliding rail comprises a base and two sliding rail bodies, wherein the two sliding rail bodies are arranged on the base, and the sliding rail bodies are fixedly connected with the base or are in threaded connection with the base. The two slide rail bodies are parallel to each other.

It should be further noted that the length of the slide rail 10 is greater than the length of the roller body 50 so as to move the roller body 50. The roller 50 moves in a direction approaching or moving away from the paper machine 70.

The balancing weight 20 is arranged at one end part of the sliding rail 10, and the balancing weight 20 is hung by balance and is the weight of the sliding rail 10; specifically, when the roller 50 is placed on the sliding rail 10, the counterweight 20 may make the roller 50 be in a horizontal state, so as to prevent the roller 50 from falling off.

The number of the lifting devices 30 is one, and one lifting device 30 is used for being connected with the lifting hook 60. Specifically, the lifting device 30 has a through hole, and the lifting hook 60 hooks the through hole of the lifting device 30 to lift the sliding rail 10, the balancing weight 20 and the roller body 50.

It should be further noted that, the lifting device 30 may be disposed at the junction of the balancing weight 20, the sliding rail 10, or the balancing weight 20 and the sliding rail 10, and only when the lifting is ensured, the weights at two sides of the lifting device 30 are consistent. Specifically, when the weight 20, the roller 50, and the slide rail 10 are lifted, the weight 20 is used to balance the weight of the roller 50 and the slide rail 10, preventing one end having the roller 50 from tilting downward.

Preferably, the counterweight 20 and the slide rail 10 are disposed at both sides of the lifting device 30. That is, according to some embodiments of the present application, referring to fig. 2 and 3 of the specification, the moving device 40 is slidably disposed on a side of the lifting device 30 away from the balancing weight 20.

In contrast to the prior art, the above-mentioned technical solution is that the weight block 20, the sliding rail 10, and the lifting device 30 are configured such that, when the lifting hook 60 lifts the roller body 50, the weight of the roller body 50 can be balanced by the weight block 20, and the roller body 50 is in a horizontal state, so as to prevent the roller body 50 from tilting; it is also avoided that the hooks 60 block the movement of the roll body 50 during the roll changing operation. Further, the installation efficiency of the roller body 50 is improved, the roller changing time is shortened, and the productivity of the paper machine 70 in unit time is improved; while also improving safety and avoiding injury to the operator while dragging the roll 50.

According to some embodiments of the present application, in order to avoid the weight 20 falling off during the lifting operation, the weight 20 and the sliding rail 10 are welded to each other. It should be further described that, when the weight 20 is welded to the sliding rail 10, the welding position between the sliding rail 10 and the weight 20 should avoid sand holes, air holes and cracks, so as to improve the connection strength between the sliding rail 10 and the weight 20, and further avoid the separation of the sliding rail 10 and the weight 20 when the roller 50 is lifted.

Of course, in some implementations, the connection manner of the sliding rail 10 and the balancing weight 20 may be an integral molding, and the integral molding arrangement may effectively improve the overall strength of the sliding rail 10 and the balancing weight 20. In other embodiments, to hoist roller bodies 50 with different weights, the sliding rail 10 and the balancing weight 20 may be detachably connected, and when the roller body 50 is too heavy, the balancing weight 20 with a heavier weight may be replaced to prevent the roller body 50 from tilting downward.

Through the arrangement of the fixed connection between the balancing weight 20 and the sliding rail 10, when the lifting hook 60 lifts the roller body 50, the balancing weight 20 can balance the weight of the roller body 50, so that the roller body 50 is in a horizontal state, and the roller body 50 is prevented from tilting; it is also avoided that the hooks 60 block the movement of the roll body 50 during the roll changing operation. Further, the installation efficiency of the roller body 50 is improved, the roller changing time is shortened, and the productivity of the paper machine 70 in unit time is improved; while also improving safety and avoiding injury to the operator while dragging the roll 50.

In the present application, the sliding rail 10 and the counterweight 20 are made of metal materials.

According to some embodiments of the present application, since a large amount of water is used and a large amount of steam is generated at the same time during the production operation of the paper mill, the environment is always high-temperature and humid, and in order to avoid the rust breakage of the slide rail 10 and the weight 20 during the long-term use, the outside of the slide rail 10 and the weight 20 is provided with a milky rust preventing paint layer.

The milky rust-proof paint layer can isolate a large amount of water oxygen molecules from entering the slide rail 10 and the balancing weight 20, so that the weight change of the balancing weight 20 due to corrosion is avoided, and meanwhile, the slide rail 10 is prevented from being damaged due to corrosion.

According to some embodiments of the present application, in order to avoid the counterweight 20 falling off the sliding rail 10 during the lifting operation, referring to fig. 2, fig. 3 and fig. 5 of the specification, the lifting device 30 is fixedly connected to the counterweight 20 and/or the sliding rail 10. Preferably, the balancing weight 20 and the sliding rail 10 are welded to each other, and the lifting device 30 is fixedly disposed at a connection position of the balancing weight 20 and the sliding rail 10. It should be further described that, when the counterweight 20 is welded to the slide rail 10, the welding position of the slide rail 10 to the counterweight 20 should avoid sand holes, air holes and cracks, and the lifting device 30 is fixedly arranged at the joint of the counterweight 20 and the slide rail 10, so as to improve the connection strength during lifting, and further avoid lifting the roller body 50, and the slide rail 10 and the counterweight 20 drop.

Of course, in some implementations, the connection modes of the sliding rail 10, the lifting device 30 and the balancing weight 20 may be integrated into one piece, and the integrated arrangement may effectively improve the overall strength of the sliding rail 10, the lifting device 30 and the balancing weight 20.

According to some embodiments of the present application, referring to fig. 4 of the drawings, the surface of the moving device 40 for supporting the roller 50 is provided with a recess adapted to the roller 50.

The concave is arc-shaped, and the arc-shaped concave is mutually matched with the outer surface of the roller body 50; in the actual use process, when the roller body 50 is placed on the transfer device, the arrangement of the arc-shaped recess can effectively prevent the roller body 50 from rolling.

Specifically, the mobile device 40 includes: the roller is rotatably connected with the bearing plate, the upper surface of the bearing plate is provided with an arc-shaped recess, and the bearing plate is used for bearing the roller body 50; the rollers are matched with the sliding rail 10, and the rollers are arranged on the sliding rail 10 in a rolling way.

Claims

1. Roller replacing device based on single hook lifts by crane, characterized by comprising:

a slide rail;

2. The roller changing device based on single hook lifting as claimed in claim 1, wherein the balancing weight and the sliding rail are welded with each other.

3. The roller changing device based on single-hook lifting as claimed in claim 1, wherein a milky antirust paint layer is arranged outside the sliding rail and the balancing weight.

4. The roller changing device based on single-hook lifting as claimed in claim 1, wherein the lifting device is arranged at the joint of the balancing weight and the sliding rail.

5. The roller changing device based on single hook lifting according to claim 1, wherein the moving device is slidably arranged on one side of the lifting device away from the balancing weight.

6. The roller changing device based on single-hook lifting as claimed in claim 1, wherein the lifting device is fixedly connected with the balancing weight and/or the sliding rail.

7. The roller changing device based on single hook lifting according to claim 1, wherein the surface of the moving device supporting the roller body is provided with a recess adapted to the roller body.

8. The roller changing device based on single hook lifting as claimed in claim 1, wherein the balancing weight is a metal balancing weight.