CN201801778U

CN201801778U - Device for replacing flexible outer cover, belt or filter screen

Info

Publication number: CN201801778U
Application number: CN2010201861429U
Authority: CN
Inventors: 蒂莫·托尔维; 马尔库·基尔韦斯迈基
Original assignee: Metso Paper Oy
Current assignee: Valmet Technologies Oy
Priority date: 2009-04-30
Filing date: 2010-04-30
Publication date: 2011-04-20
Anticipated expiration: 2020-04-30
Also published as: AT11586U1; DE202009006242U1

Abstract

The utility model relates to a device for replacing a flexible outer cover in the form of a circular endless belt, a belt or a filter screen. The outer cover, the belt or the filter screen is particularly applied to one or more rollers in a press-polishing device of a papermaking machine; the device comprises a bearing frame and a framework connected with the bearing frame; the outer cover, the belt or the filter screen can be pushed and pulled to the framework; the device is characterized in that the bearing frame comprises two sub-frames; each sub-frame can be connected with a freely protruding framework; and the two sub-frames can be connected with each other on the mutually opposite free end sides of the framework through a connecting device. The simply structured device provided by the utility model can avoid impermissible bending.

Description

Be used to change the more changing device of flexible outer cover, band or filter screen

Technical field

The utility model relates to a kind of more changing device, is used to change flexible outer cover (Mantel), band or the filter screen of the endless belt form that is circulation.Wherein, described outer cover, band or filter screen are used for particularly the one or more rollers at the calendering device of paper machine, described more changing device has bearing support and the framework that can be connected with this bearing support, and outer cover, band or filter screen can be by push-and-pull (aufschiebbar) to this frameworks.

Background technology

Patent documentation DE 19804824A1 discloses such more changing device.

At this, outer cover for example can be a metal housing, and it is around roll shaft rotation, thus with respect to supporter around operation.

Because the component wear than other when the flexible tubular of roller covers on operation outward gets severity more, so must change outer cover continually.

For filter screen or the band by one or more roller guiding in calendering device also same situation can appear.

In order to change this outer cover, band or filter screen, it need be unloaded, subsequently must be to independent more changing device with outer cover, band or filter screen push-and-pull, so that form such shape or profile basically, promptly new outer cover can be introduced in assigned address in the paper machine with this kind shape or profile.

This known more changing device is made in the mode of cantilever (Cantilever), and wherein, bearing support is provided with the framework of projection.Begin new outer cover push-and-pull to changing device more from the free side of its projection then.Take this outer cover to assigned address towards paper machine subsequently, after this this outer cover is in known manner by the towing of changing device more and be incorporated in the paper machine.

Yet, said method and more the shortcoming of changing device be, be generally in paper machine width under the situation of width based on this paper machine width of 8 to 10 meters and outer cover, band or filter screen, for the free projection end that makes support unallowed bending can not occur, bearing support and framework must be constructed very heavyly.

Summary of the invention

Therefore, the purpose of this utility model is that the more changing device of mentioning with the beginning part is that improve on the basis, thereby can prevent unallowed bending under situation simple in structure.

According to the utility model, this purpose realizes that by the form that bearing support is configured to two submounts wherein, each submounts all can be connected with the framework of free projection, and described two submounts can interconnect by jockey on the free end side toward each other of framework.

By bearing support being divided into two submounts according to the utility model, new outer cover, band or filter screen are pushed on the framework connected to one another subsequently of moving two submounts to from free projection side respectively, and halve by the free extent of the protrusion to framework, (comparing with a bearing support that only has a projection framework) can (relevant with two frameworks interconnecting subsequently) farthest avoid unallowed bending.

Particularly, the utility model provides a kind of more changing device, be used to change the flexible outer cover of the endless belt form that is circulation, band or filter screen, described outer cover, band or filter screen are used for particularly the one or more rollers at the calendering device of paper machine, described more changing device has bearing support and the framework that can be connected with this bearing support, described outer cover, band or filter screen can be pushed to be moved on the described framework, it is characterized in that, described bearing support constitutes the form of two submounts, each described submounts can be connected with the framework of a free projection, and described two submounts can interconnect by jockey on the free end side toward each other of described framework.

Preferably, to be constructed to be mobile to described two submounts that have a described framework.

Preferably, it is characterized in that described jockey is provided with guide.

Preferably, described guide is a guide finger, and described guide finger extends along the axial direction of a framework, and can be inserted in the recess or hole of another framework.

Preferably, described jockey is provided with connecting bolt.

Preferably, described guide finger is separately positioned in the flange of framework.

Preferably, described connecting bolt is separately positioned in the flange of framework.

Technique effect of the present utility model is: in this way, can prevent unallowed bending under situation simple in structure.In addition, not only can make the replacing of outer cover, band or filter screen become simpler, and more changing device also needn't be constructed so heavyly again.In addition, also reduced cost in this way.

It is movably that two submounts are configured in an advantageous manner, thereby is easier to operate on it, and especially, two submounts can be connected and be delivered to more simply thus paper machine more simply.

Being used for the jockey of free projection two frameworks, that be positioned at framework on distolateral can realize in various manners.At this, described jockey advantageously can be simply, accurately with the guide that is easy to be connected (F ü hrungsglieder) with getting loose.

At this, guide can for example be configured to guide finger or guiding axle journal (F ü hrungszapfen), and it extends axially along framework, and can insert in the recess that maybe can be installed to another framework.

Other jockey obviously, also can be set in framework of the present utility model.

Actual connection between two frameworks for example can be provided with a plurality of connecting bolts, but described connecting bolt precession maybe can penetrate into the respective aperture that is arranged in another submounts.In this way, can realize connecting fast and separating.

For this reason, the free end of two frameworks can be respectively equipped with flange, and distributing on the periphery of this flange is provided with a plurality of holes, and connecting bolt is arranged in these holes or passes these holes.

Guide also can be arranged in the flange, and can be inserted into the hole of aiming at guide or the recess of the flange that is arranged in another submounts.

Description of drawings

To on principle, describe below embodiment of the present utility model.

Wherein:

Fig. 1 show the submounts of bearing support and be connected with submounts before framework;

Fig. 2 show the submounts that has connected framework with outer cover before more changing device is connected;

Fig. 2 a shows the schematic diagram of the sleeve that has outer cover;

Fig. 3 show have partly be pushed the outer cover moved on the framework, according to the submounts of Fig. 2;

Fig. 4 show have by the good outer cover of push-and-pull, according to the end-view of the submounts of Fig. 2 and Fig. 3;

Fig. 5 shows the side view of two submounts, and the jockey of the free projection end of the framework of two submounts whole (einheitlich) bearing support by being used to which is provided with outer cover connects;

Fig. 6 shows the amplification view of the regional VI that includes jockey among Fig. 5.

The specific embodiment

The more changing device that is used to change flexible outer cover, band or filter screen has the bearing support 1 that is two

submounts

1a and 1b form.When two submounts when mode interconnects as will be described in detail, these two submounts are mutually symmetrical and are provided with to constitute whole bearing support 1.

Figure 1 illustrates the submounts 1a before being connected with framework 2a.Framework 2a is made of a plurality of longerons 3, crossbeam 4 and hound 5.This structure is only as example.Just importantly, realize enough stability.

Both sides in lower area are provided with longeron 3, this longeron 3 have framework 2a vertically on a plurality of circles or the arc part 6 that distribute and be provided with.

Framework 2a is connected with submounts 1a in the mode that is not shown specifically.For this reason, for example flange plate 7, flange plate 8 can be set on longeron respectively, can realize a kind of separable or being threaded of unclamping by flange plate.

Fig. 2 shows framework 2a and is pushed and moves the diagram that submounts 1a goes up and is connected with submounts 1a to.

Also show the new outer cover 9 that is suspended on the sleeve 10 in Fig. 2, sleeve 10 is kept by unshowned supporting arrangement.At first outer cover 9 suspentions to be got up, keep outer cover 9, move outer cover 9 freedom by sleeve 10 and (see Fig. 2 a) downwards by sleeve 10.

In Fig. 2, sleeve 10 descends, and the bottom section of outer cover (for example filter screen) 9 is placed on the platform 11.Make outer cover keep triangular shaped or triangular-shaped profile in this way.As shown in Figure 2, the framework 2a that is connected with submounts 1a moves towards outer cover 9 along direction of arrow A from the side.Thus, outer cover 9 can be placed on the outside of framework 2a, perhaps moves on the outside of framework 2a, for this reason, obviously should be noted that: be corresponding triangular shaped outer cover 9 and form enough big gap, so that outer cover 9 can be with no damage by push-and-pull on framework 2a.For this reason, if needed, outer cover (for example metal housing) 9 can remain corresponding state or posture by the sucker 20 (shown in broken lines) that is arranged on outer cover 9 outsides.

It should be noted that in both sides especially the lower area at outer cover (for example band), outer cover (for example band) 9 forms arc, thereby makes outer cover (for example band) 9 can be pushed with no damage on the arc part 6 of moving framework 2a to.Equally, sleeve 10 correspondingly drops on the bearing (Unterlage) 12 of framework, and is brought into correct position, thereby sleeve 10 is arranged on the longeron 3 of framework 2a with outer cover (for example band) 9.

Fig. 3 shows such position, is in by the state to the framework 2a of push-and-pull partly at this position outer cover (for example band) 9.

Fig. 4 shows and has by the end-view of the framework 2a of the good outer cover of push-and-pull (for example band) 9 and sleeve 10.Sleeve 10 correspondingly descends, thereby is arranged on the bearing 12 of framework 2a.

Fig. 5 shows the side view that is fully assembled of the bracing frame of being made up of two

submounts

1a and 1b 1.For this reason, in the upper area of two

framework

2a and 2b, form unit (Einheit) jointly respectively by jockey 13.

Close mutually along direction of arrow B for 9, two submounts 1a of push-and-pull outer cover and 1b on two

framework

2a and 2b, wherein, outer cover 9 is pushed from both sides by two free projection sides and moves on framework 2a and the 2b.

As shown in Figure 5, when outer cover was pushed the free projection side toward each other of moving latter two framework that two

framework

2a and 2b go up to fully and is in contact with one another, two frameworks were interconnected to a unit by jockey 13.

Be more prone in order to make to install, it is movably that two

submounts

1a and 1b are configured to, and is equipped with roller or the wheel 14 that is not shown specifically for this reason.

The exemplary two kinds of schemes that show jockey 13 of ratio to amplify in Fig. 6.Fig. 6 shows the amplification view of the regional VI among Fig. 5.

On the frame parts of two

framework

2a and 2b,

flange

15a or 15b are set respectively.

According to the diagram of the upper area among Fig. 6, flange 15a is provided with pin (Bolzen) as guide 16, and this guide 16 is inserted into the hole of aiming at this guide 16 17 that is arranged in flange 15b, in order to connect two

framework

2a and 2b.

A kind of connected mode has been shown in the lower area of Fig. 6, and wherein, bolt 18 passes the hole on two flange 15a and the 15b respectively, and guarantees being connected of two

framework

2a and 2b by locking nut 19.

In these two kinds of feasible schemes, obviously can be provided with a plurality of bolts 18 that are distributed in the guide 16 and the hole 17 of for example pin on flange 15a and the 15b or have locking nut 19.

Obviously, in scope of the present utility model, also have other jockey, be used to connect two

framework

2a and 2b, and be configured for the unit of bearing support 1 thus.

Claims

1. changing device more, be used to change the flexible outer cover of the endless belt form that is circulation, band or filter screen, described outer cover, band or filter screen are used for particularly the one or more rollers at the calendering device of paper machine, described more changing device has bearing support and the framework that can be connected with this bearing support, described outer cover, band or filter screen can be pushed to be moved on the described framework, it is characterized in that, described bearing support (1) constitutes two submounts (1a, form 1b), each described submounts can with the framework (2a of a free projection, 2b) connect, and described two submounts (1a, 1b) can (2a interconnects by jockey (13) on the free end side toward each other 2b) at described framework.

2. more changing device as claimed in claim 1 is characterized in that, (2a, (1a, it is mobile 1b) being constructed to described two submounts 2b) to have described framework.

3. more changing device as claimed in claim 1 or 2 is characterized in that, described jockey (13) is provided with guide.

4. more changing device as claimed in claim 3 is characterized in that, described guide is guide finger (16), and described guide finger (16) extends along the axial direction of a framework (2a), and can be inserted in the recess or hole (17) of another framework (2b).

5. more changing device as claimed in claim 1 or 2 is characterized in that, described jockey (13) is provided with connecting bolt (18).

6. more changing device as claimed in claim 4 is characterized in that, described guide finger (16) be separately positioned on framework (2a, flange 2b) (15a, 15b) in.

7. more changing device as claimed in claim 5 is characterized in that, described connecting bolt (18) be separately positioned on framework (2a, flange 2b) (15a, 15b) in.