CN201915289U

CN201915289U - Replacement device for replacing flexible sleeve, belt or sieve

Info

Publication number: CN201915289U
Application number: CN2010206108430U
Authority: CN
Inventors: 米卡·维尔扬马; 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: 2009-11-24
Filing date: 2010-11-15
Publication date: 2011-08-03
Anticipated expiration: 2020-11-15
Also published as: DE202009015980U1

Abstract

The utility model relates to a replacement device for replacing a flexible sleeve, belt or sieve in a fibre machine processing unit, which is provided with at least one supporting piece (5) passing through the processing unit to extend, wherein the supporting piece is provided with a part which can move out of the processing unit so as to replace the sleeve, belt or sieve, and is provided with a supporting device (7) which is used for supporting the supporting piece (5), or on the position where the supporting piece (5) moves out from the processing unit (1), the supporting device (7) supports the part (6) of the supporting piece (5), which can move out. The replacement device has simplified structure, and is convenient to install.

Description

Be used to change the more changing device of flexible cover, band or sieve

Technical field

The utility model relates to a kind of more changing device of cover, band or sieve of the flexibility that is used for changing the fibre machines processing unit, have at least one and pass the support member that described processing unit extends, this support member has in order to change cover, band or to sieve and the part that can roll away from from processing unit.

Background technology

Patent documentation DE 198 04 824 A1 have described a kind of so more changing device.In this case, cover is configured to around roll shaft rotation and the metallic sheath that centers on respect to supporter.Because the relatively large wearing and tearing of this flexible metal cover need to change at certain intervals cover.The band of guiding in the processing unit of fiber machine by one or more rollers, sieve etc. also must be changed every now and then.

At this, the new cover that will be arranged on the processing unit is unpacked, and moves to more on the changing device, is set to the form of processing unit coupling and is installed in subsequently on the precalculated position of processing unit.For this reason, known more changing device is configured to the form of cantilever mostly and has supporting bracket (Traggestell), and this supporting bracket has the outstanding frame that is provided with thereon.Then new cover is freely moved by side to more on the changing device from outstanding, subsequently whole device is arranged on the precalculated position of fiber machine processing unit, pull out and be arranged on the processing unit thereby will overlap subsequently from changing device more.Under most of situation, use suitable lowering or hoisting gear for this reason.

Yet, when the processing unit in the fiber machine is big especially and wide, for example in the metal belt calender of broad, the quality of the above-mentioned parts of machine may be determined by the load that this acts on the lowering or hoisting gear to the load of load that makes lowering or hoisting gear even the whole more changing device of possibility greatly.Since the wideer bigger trend of fiber machine, this problem even more serious.

By patent documentation DE 20 2,009 006 242 U1 known another kind changing device more.This more changing device has supporting bracket and the frame that can be connected with this supporting bracket, and cover, band and sieve can move on this frame.In order to reduce the more bending of changing device, in this case supporting bracket is configured to the structure of the form two-piece type of submounts, wherein each submounts can be connected with the frame of freely giving prominence to and two submounts can be connected to each other by jockey on the end face opposite each other of frame.

Yet, the very high and same installation process that needs costliness of this known replacing installation cost.

Summary of the invention

Therefore, the purpose of this utility model is, a kind of more changing device of cover, band or sieve of the flexibility that is used to change fiber machine processing unit is provided, wherein can reduce the load of lowering or hoisting gear, and more changing device has simple as far as possible structure and can realize as far as possible simply installation process.

The purpose of this utility model realizes by a kind of more changing device of cover, band or sieve of the flexibility that is used for changing the fibre machines processing unit, this more changing device have at least one and pass the support member that processing unit extends, this support member has the part that can roll away from from processing unit in order to change cover, band or sieve, wherein, be provided with bracing or strutting arrangement with the supported part or support the part that to roll away from of described support member in the position of from processing unit, rolling away from of support member.Can maybe can support support member according to bracing or strutting arrangement of the present utility model, can be delivered to a part of power on the lowering or hoisting gear of acting on other parts thus and make the effect that acts on the power on the lowering or hoisting gear less from the part that processing unit rolls away from.Thus, can reduce lowering or hoisting gear and whole replacing device size.Especially, this can make support member and the size of the part that can roll away from from support member reduces, and this can be so that the miniaturization more of entire process unit.

It in addition, can simply the different processing units of fiber machine be incorporated in the existing rack construction by ten minutes, because can be configured to compact unit according to scheme of the present utility model.

In order to realize to be incorporated into the scheme in the processing unit, in favourable expansion scheme of the present utility model, bracing or strutting arrangement can be arranged on the end relative processing unit with rolled away from part support member.

If further bracing or strutting arrangement is set to have at least one pull bar, this pull bar can be fixed on the support member and with the isolated parts of support member on, thereby can provide the particularly advantageous solution in the processing unit that can be incorporated into the fiber machine, needn't in a big way, change the essential structure of processing unit rack construction thus.

When can described at least one pull bar be fixed on by hydraulic nut support member and with the isolated parts of support member on the time, can transmit king-sized power.

In another program, bracing or strutting arrangement can also be arranged on the part of rolling away from of support member, wherein, when bracing or strutting arrangement had at least one hydraulic cylinder or pneumatic cylinder, this scheme especially had advantage.

When processing unit is configured to belt calender, use according to more changing device of the present utility model to have outstanding especially advantage.Yet processing unit also can be drying device, pressing device, glue spreading apparatus (Auftragseinrichtung), calender

Or painting device (Streichaggregat).

Description of drawings

Other favorable structures of the present utility model and expansion scheme provide following.Followingly on principle, embodiment of the present utility model is described with reference to accompanying drawing.

In the accompanying drawing:

Fig. 1 shows the side view that has according to the processing unit that is configured to belt calender of the fiber machine of first embodiment of more changing device of the present utility model;

Fig. 2 is the stereogram that has according to the processing unit of Fig. 1 of bracing or strutting arrangement of the present utility model;

Fig. 3 is the side view according to second embodiment of more changing device of the present utility model; And

Fig. 4 is the three-dimensional view of the more changing device of Fig. 3.

The specific embodiment

Fig. 1 shows the side view of the processing unit 1 that is configured to belt calender 1a under present case of the fiber machine that does not all illustrate, and this fiber machine for example can be configured to paper machine, board machine or cotton paper machine.Because the structure of this belt calender 1a itself is known, below no longer it is given unnecessary details.Belt calender 1a has a plurality of rollers 2 shown in the part in Fig. 2, and what preferably be made of metal is with 3 around roller 2 operations.Alternative tape calender 1a, the processing unit of fiber machine also can be configured to drying unit, squeezing unit, coating unit or paste unit (Leimungseinheit), are configured to glue spreading apparatus, are configured to calender or are configured to painting device.

Owing to bear certain wearing and tearing with 3, thus must be every now and then tape swapping more, this width at belt calender 1a is 8.5m or can brings certain expense when bigger.More changing device 4 is used for more tape swapping 3, this more the basic structure of changing device 4 for example can learn by patent documentation DE 198 04 824 A1.More changing device 4 has at least one (being two under present case) and passes the support member 5 that belt calender 1a extends, and this support member 5 respectively has the part 6 that can roll away from for tape swapping 3 more from belt calender 1a.Fig. 1, Fig. 3 and Fig. 4 show the part 6 of the support member 5 that is in the state of rolling away from.The part 6 that can roll away from is arranged on relative end, end belt calender 1, that drive unit 8 is set on it.

The size of lowering or hoisting gear unshowned in order to reduce, that use when tape swapping 3 more is provided with bracing or strutting arrangement 7 with (promptly when part 6 when support member 5 rolls away from) the upper support support member 5 from position that belt calender 1 is rolled away from support member 5.Bracing or strutting arrangement is arranged on the opposite end of rolled away from part support member 5 and support member 56 in the embodiment of Fig. 1 and Fig. 2, promptly is arranged on the end for different driving device 8 places of roller 2.In this embodiment, bracing or strutting arrangement 7 has two pull bars 9 that vertically extend in parallel with each other basically, this pull bar 9 can be separately fixed on the support member 5 on the one hand, can be fixed on the other hand with support member 5 isolated parts on (promptly on the basic sufficient 10a that is fixed on belt calender 1 under the current situation).Also can consider only to use a pull bar in principle or more than two pull bars.In the embodiment that illustrates, two pull bars 9 are fixed on the one hand by separately hydraulic nut 11 and are fixed on the other hand on the support member 5 on the base foot 10.Hydraulic nut 11 for example can be according to the embodiment structure of describing in patent documentation WO 03/067103 A1, and wherein in this case advantageously, this hydraulic nut 11 has been arranged on other positions in the fiber machine.Can apply very large power to pull bar 9 by hydraulic nut 11, this can give support member 5 certain support thus, can finally make the size that only has very little power to be applied on the lowering or hoisting gear and can reduce lowering or hoisting gear thus thus.

In the embodiment according to the more changing device 4 of Fig. 3 and Fig. 4, bracing or strutting arrangement 7 is arranged on the end of the part 6 that can roll away from and has two hydraulic cylinders 12 under present case, and this hydraulic cylinder 12 is arranged in the frame 13 that is essentially U-shaped.Can save the lowering or hoisting gear of the part 6 that keeps support member 5 in this way.Possiblely be to strengthen in the shadow region the floor 14 that is positioned under the belt calender 1.

Replace hydraulic cylinder 12, U-shaped frame 13 can also have pneumatic linear actuator or electric adjustable screw mandrel etc., to support the part 6 that can roll away from from support member 5 of changing device more.

Claims

1. the more changing device of cover, band or the sieve of a flexibility that is used for changing the fibre machines processing unit, have at least one and pass the support member that described processing unit extends, this support member has the part that can roll away from from described processing unit in order to change cover, band or sieve, it is characterized in that, be provided with bracing or strutting arrangement (7) to support described support member (5) or to support the part that to roll away from (6) of described support member (5) in the position of from described processing unit (1), rolling away from of described support member (5).

2. more changing device as claimed in claim 1 is characterized in that, described bracing or strutting arrangement (7) is arranged on described processing unit (1) and the relative end of the part that can roll away from (6) described support member (5).

3. more changing device as claimed in claim 2 is characterized in that, described bracing or strutting arrangement (7) has at least one pull bar (9), this pull bar can be fixed on that described support member (5) is gone up and with the isolated parts of this support member (5) (10) on.

4. more changing device as claimed in claim 3 is characterized in that, the isolated parts of described and described support member (5) (10) are the base foots (10a) of described processing unit (1).

5. more changing device as claimed in claim 3 is characterized in that, described at least one pull bar (9) can by hydraulic nut (11) be fixed on that described support member (5) is gone up and the isolated parts of described and described support member (5) (10) on.

6. more changing device as claimed in claim 4 is characterized in that, described at least one pull bar (9) can by hydraulic nut (11) be fixed on that described support member (5) is gone up and the isolated parts of described and described support member (5) (10) on.

7. more changing device as claimed in claim 1 is characterized in that, described bracing or strutting arrangement (7) is arranged on the part that can roll away from (6) of described support member (5).

8. more changing device as claimed in claim 7 is characterized in that, described bracing or strutting arrangement (7) has at least one hydraulic cylinder or pneumatic cylinder (12) or screw mandrel.

9. more changing device as claimed in claim 8 is characterized in that, described at least one hydraulic cylinder or pneumatic cylinder (12) or screw mandrel are arranged on the U-shaped frame (13) of described bracing or strutting arrangement (7).

10. each described more changing device in the claim 1 to 9 as described above is characterized in that, the part that can roll away from (6) of described support member (5) can be rolled away from the end relative with the set end of the drive unit that is used for described processing unit (1) (8).

11. each described more changing device in the claim 1 to 9 is characterized in that as described above, described processing unit (1) is belt calender (1a), drying device, pressing device, glue spreading apparatus, calender or painting device.

12. more changing device as claimed in claim 10 is characterized in that, described processing unit (1) is belt calender (1a), drying device, pressing device, glue spreading apparatus, calender or painting device.