CN213951756U

CN213951756U - Drying cylinder for paper machine

Info

Publication number: CN213951756U
Application number: CN202021369201.6U
Authority: CN
Inventors: 李迎春; 桑林
Original assignee: Shanying South China Paper Co ltd
Current assignee: Shanying South China Paper Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-08-13
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a drying cylinder for a paper machine, which comprises a roller shell, a shell end cover, a manhole end cover, a pushing mechanism and a hoisting device; the shell end covers are arranged on two sides of the roller shell and connected with the roller shell; the manhole is arranged on the shell end cover, and the manhole end cover is connected with the manhole; the lifting device is arranged on one side of the shell end cover, and the pushing mechanism is connected with the manhole end cover; the lifting device is used for lifting the pushing mechanism and the manhole end cover; the pushing mechanism is used for loading and attaching the manhole end cover to the manhole. When will pack into the manhole with the manhole end cover, earlier be connected pushing mechanism and manhole end cover, then rise pushing mechanism and manhole end cover through hoisting accessory, rise to the same height with the manhole, then pack into the manhole with the manhole end cover through pushing mechanism, utilize pushing mechanism with the manhole end cover with the manhole laminating back completely, the locking manhole end cover, then pull down pushing mechanism from the manhole end cover, easy and simple to handle, labour saving and time saving improves work efficiency.

Description

Drying cylinder for paper machine

Technical Field

The utility model relates to a papermaking machine technical field, in particular to a dryer for paper machine.

Background

The drying cylinder is a hollow cylinder made of cast iron and provided with covers at two ends, and consists of a cylinder body and cylinder covers at two ends, and steam is introduced into the cylinder body to dry and iron conveyed paper in the operation process.

In prior art, because manhole end cover weight is great, and the dryer is in the operation that does not stop, when the dryer stops at every turn, the manhole can be in different positions, is in different states, and it is big to assemble the manhole end cover degree of difficulty through artifical bare-handed, wastes time and energy, and is inefficient, and when comparatively constrictive place equipment manhole end cover, wastes time and energy more.

SUMMERY OF THE UTILITY MODEL

For this reason, need provide a dryer for paper machine for solve in prior art, because manhole end cover weight is great, and the dryer is in the operation that does not stop, when the dryer stops at every turn, the manhole can be in different positions, is in different states, and it is big to assemble the manhole end cover degree of difficulty through artifical bare-handed, wastes time and energy, and is inefficient, and when comparatively narrow place equipment manhole end cover, wastes time and energy scheduling technical problem more.

In order to achieve the above object, the inventor provides a drying cylinder for a paper machine, comprising a roller shell, a shell end cover, a manhole end cover, a pushing mechanism and a lifting device;

the shell end covers are arranged on two sides of the roller shell and connected with the roller shell;

the manhole is arranged on the shell end cover, and the manhole end cover is connected with the manhole;

the lifting device is arranged on one side of the shell end cover, and the pushing mechanism is connected with the manhole end cover;

the lifting device is used for lifting the pushing mechanism and the manhole end cover;

the pushing mechanism is used for loading and attaching the manhole end cover into the manhole.

As a preferred structure of the utility model, the manhole end cover with the connection can be dismantled to the manhole.

As a preferred structure of the utility model, the pushing mechanism with the connection can be dismantled to the manhole end cover.

As a preferred structure of the utility model, both sides on the manhole end cover are equipped with first screw and second screw respectively.

As a preferred structure of the utility model, pushing mechanism includes first screw rod, catch bar and rotary rod, catch bar one end with first screw rod is articulated, the catch bar other end with rotary rod fixed connection.

As a preferred structure of the utility model, a dryer for paper machine still includes the second screw rod, the second screw rod with the second screw passes through the nut and cooperatees.

As an optimized structure of the utility model, the first screw rod with the first screw hole matches through the nut.

As a preferred structure of the utility model, hoisting accessory includes power unit, capstan winch mechanism, rope and lifting hook, power unit is used for the drive capstan winch mechanism work, rope one end set up in on the capstan winch mechanism, the rope other end with the lifting hook is connected.

As a preferred structure of the utility model, hoisting accessory chooses for use the overhead traveling crane.

As a preferred structure of the utility model, the cross-sectional shape of manhole end cover is oval.

Different from the prior art, the beneficial effects of the technical scheme are as follows: when will pack into the manhole with the manhole end cover, earlier be connected pushing mechanism and manhole end cover, then rise pushing mechanism and manhole end cover through hoisting accessory, rise to the same height with the manhole, then pack into the manhole with the manhole end cover through pushing mechanism, utilize pushing mechanism with the manhole end cover with the manhole laminating back completely, the locking manhole end cover, then pull down pushing mechanism from the manhole end cover, easy and simple to handle, labour saving and time saving improves work efficiency.

Drawings

FIG. 1 is one of the partial cross-sectional views of a dryer cylinder for a papermaking machine according to the embodiments;

FIG. 2 is a second partial cross-sectional view of a dryer cylinder for a paper machine according to the embodiment;

FIG. 3 is a front view of an embodiment of the pushing mechanism;

FIG. 4 is a side view of an embodiment of the pushing mechanism;

figure 5 is a cross-sectional view of an embodiment of the manhole cover.

Description of reference numerals:

1. the roller shell is provided with a roller shell,

2. the end cover of the shell is provided with a cover,

3. a manhole is arranged in the upper part of the manhole,

4. a manhole end cover is arranged on the manhole cover,

41. a first screw hole is formed on the first screw hole,

42. a second screw hole is formed on the second screw hole,

5. a pushing mechanism for pushing the movable part of the movable part,

51. a first screw rod and a second screw rod are arranged in the screw rod,

52. the push rod is pushed by the push rod,

53. the rotating rod is rotated to rotate the rotating rod,

6. a rope or a plurality of ropes is/are arranged,

7. a second screw.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Referring to fig. 1 to 5, the present embodiment relates to a drying cylinder for a paper machine, which comprises a roll shell 1, a shell end cover 2, a manhole 3, a manhole end cover 4, a pushing mechanism 5 and a lifting device (not shown in the figures); the shell end covers 2 are arranged on two sides of the roller shell 1, specifically, in this embodiment, the two shell end covers 2 are respectively arranged on two sides of the roller shell 1, and the two shell end covers 2 are respectively connected with the roller shell 1. Further, in this embodiment, the drying cylinder further comprises a steam conduit, which is in communication with the roll shell 1. Specifically, steam joint is installed to steam conduit one end, and steam joint and steam conduit intercommunication, saturated steam insert from steam joint, flow into roller shell 1 inside through steam conduit, and the saturated steam that lets in from steam joint is at the inside condensation of dryer, and the heat of releasing makes dryer temperature rise to with the cladding at the page heating of roller shell 1 surface operation, the heat is transmitted in the paper in the contact on paper and dryer surface. Furthermore, a turbulence bar is arranged on the inner surface of the roller shell 1 in the cross-width direction, and the purpose of the turbulence bar is to destroy a condensed water ring formed in the drying cylinder rotating at a high speed and generate more turbulence. The turbulence bar is arranged on the inner surface of the drying cylinder in the transverse width direction and rotates at the same speed with the drying cylinder, so that the turbulence bar can stir the water ring to generate turbulence and is beneficial to heat conduction. Further, in this embodiment, the dryer still includes the condensation duct, the condensation duct with 1 intercommunication of roller shell, specifically, condensation joint is installed to condensation duct one end, and condensation joint and condensation duct intercommunication. Furthermore, a siphon is arranged in the roller shell 1 and is communicated with a condensation pipeline, a large amount of condensed water is generated after steam releases heat and is condensed, the condensed water is attached to the inner surface of the drying cylinder by centrifugal force due to the rotation of the drying cylinder, a water ring is formed under the condition of higher angular velocity, the heat is blocked from being transferred to the surface of the drying cylinder, and therefore the siphon is required to discharge the condensed water in time.

Further, in some embodiments, as shown in fig. 1 and 2, the manhole 3 is disposed on the shell end cover 2, and the manhole end cover 4 is connected to the manhole 3; preferably, in the present embodiment, the manhole end cover 4 is detachably connected to the manhole 3. Specifically, as shown in fig. 5, a first screw hole 41 and a second screw hole 42 are respectively formed on two sides of the manhole end cover 4; preferably, the cross-sectional shape of the manhole end cover 4 is an ellipse. The hoisting device is disposed on one side of the shell end cover 2, and the pushing mechanism 5 is connected to the manhole end cover 4, preferably, in this embodiment, as shown in fig. 1 and 2, the pushing mechanism 5 is detachably connected to the manhole end cover 4. The lifting device is used for lifting the pushing mechanism 5 and the manhole end cover 4; the pushing mechanism 5 is used for installing and attaching the manhole end cover 4 into the manhole 3. Specifically, as shown in fig. 1 and fig. 2, when manhole end cover 4 is to be installed into manhole 3, pushing mechanism 5 is connected with manhole end cover 4, then pushing mechanism 5 and manhole end cover 4 are lifted up by lifting device to the same height as manhole 3, then manhole end cover 4 is installed into manhole 3 through pushing mechanism 5, after manhole end cover 4 is completely attached to manhole 3 by pushing mechanism 5, manhole end cover 4 is locked, and then pushing mechanism 5 is detached from manhole end cover 4.

Further, in some embodiments, as shown in fig. 3 and 4, the pushing mechanism 5 includes a first screw 51, a pushing rod 52, and a rotating rod 53, one end of the pushing rod 52 is hinged to the first screw 51, the other end of the pushing rod 52 is fixedly connected to the rotating rod 53, the first screw 51 is matched with the first screw 41 through a nut, and the first screw 51 is locked on the first screw 41 through the nut. Further, as shown in fig. 1, the drying cylinder for a paper machine further comprises a second screw 7, the second screw 7 is engaged with the second screw hole 42 through a nut, and the second screw 7 is locked on the second screw hole 42 through the nut.

Further, in this embodiment, the hoisting device includes a power mechanism, a winch mechanism, a rope 6 and a hook, the power mechanism is configured to drive the winch mechanism to work, one end of the rope 6 is disposed on the winch mechanism, and the other end of the rope 6 is connected to the hook. The winch mechanism is driven by a motor, and then the pushing mechanism 5 and the manhole end cover 4 are hung up by the rope 6 and the hook, and in other embodiments, the pushing mechanism 5 and the manhole end cover 4 can be hung up by manpower and then the rope 6 and the hook. In other embodiments, the hoisting device can also be a crown block. The pushing mechanism 5 and the manhole end cover 4 are lifted by a crown block.

Specifically, when the manhole end cover 4 is to be installed in the manhole 3, the first screw 51 is connected with the first screw hole 41 and locked by a nut, then the hook hooks the push rod 52, then the driving mechanism is started to drive the winch mechanism to lift the push mechanism 5 and the manhole end cover 4 to the same height as the manhole 3, because the first screw 51 is hinged with the push rod 52, and under the action of gravity, the manhole end cover 4 hangs down, as shown in fig. 1, then the rotating rod 53 is pushed to push the manhole end cover 4 into the manhole 3, then the rotating rod 53 is rotated by 90 degrees, the manhole end cover 4 is vertically attached to the manhole 3, as shown in fig. 2, when the manhole end cover 4 is completely attached to the manhole 3, the push rod 52 is pulled outwards, then the second screw 7 is connected with the second screw hole 42 and locked by a nut, the manhole end cover 4 is assembled, finally the push rod 52 is detached from the first screw 51, and the whole assembly process is simple and convenient to operate, time and labor are saved, and the working efficiency is improved.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. A drying cylinder for a paper machine, characterized in that: the device comprises a roller shell, a shell end cover, a manhole end cover, a pushing mechanism and a lifting device;

2. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the manhole end cover is detachably connected with the manhole.

3. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the pushing mechanism is detachably connected with the manhole end cover.

4. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: and a first screw hole and a second screw hole are respectively formed in two sides of the manhole end cover.

5. A drying cylinder for a paper machine as claimed in claim 4, characterized in that: pushing mechanism includes first screw rod, catch bar and rotary rod, catch bar one end with first screw rod is articulated, the catch bar other end with rotary rod fixed connection.

6. A drying cylinder for a paper machine as claimed in claim 4, characterized in that: the drying cylinder for the paper machine further comprises a second screw, and the second screw is matched with the second screw hole through a nut.

7. A drying cylinder for a paper machine as claimed in claim 5, characterized in that: the first screw rod is matched with the first screw hole through a screw cap.

8. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the lifting device comprises a power mechanism, a winch mechanism, a rope and a lifting hook, wherein the power mechanism is used for driving the winch mechanism to work, one end of the rope is arranged on the winch mechanism, and the other end of the rope is connected with the lifting hook.

9. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the hoisting device adopts a crown block.

10. A drying cylinder for a paper machine as claimed in claim 1, characterized in that: the cross section of the manhole end cover is oval.