Sealing structure capable of axially adjusting mounting position

Abstract

The utility model discloses a sealing structure capable of axially adjusting a mounting position, which comprises a short adjusting pipe connected with a fixed connecting pipe, an adjusting flange annularly arranged on the outer side of the short adjusting pipe, a connecting pipe arranged on one side of the adjusting flange, a sealing mechanism arranged on the connecting pipe, and a circle of inner ring plate fixedly arranged on the outer side of a rotating roller, the sealing mechanisms are fixedly installed on the inner ring plate through the connecting pipes, the two sides of the inner ring plate are sealed through the sealing mechanisms, the inner ring plate synchronously rotates through a rotating roller, and the rotating roller and the inner ring plate rotate relatively. The problems that axial adjustment is troublesome when a sealing structure between two tubular connectors is installed, and the sealing performance is difficult to guarantee due to the same coaxiality problem of rotating end connecting pipes after sealing can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylinder interface sealing structure, specifically relates to a sealing structure of axial adjustable installation position. BACKGROUND

[0002] At present, novel dry process rotary kiln, melamine drying drum and other equipment are connected with other equipment to form a complete production line in the production process, and when the rotary drum is connected with the connecting pipe of other fixed equipment at both ends, a sealing structure must be used to ensure the seamless connection of materials. When the existing interface over-sealing structure is over-sealed, the sealing structure itself is a fixed structure, which is fixed on the non-rotating external connecting pipe flange through bolts, resulting in high axial adjustment difficulty during installation. When an error occurs, only additional structures such as gaskets can be used for compensation. When the interface spacing between large equipment is large, the operation difficulty is obviously increased. Therefore, the spacing precision of the connection part of the sealing structure is high, the installation is difficult, and the adaptability is low. At the same time, since the drum itself is rotating, the sealing structure needs to be fixed, resulting in many contact sealing rings contacting the outer wall of the drum. Because there is an error in the concentricity during the rotation of the drum, the sealing ring directly pressed on the rotating drum is easy to produce gap, resulting in poor sealing performance, especially after wear, which is more obvious. Therefore, the sealing structure needs to be improved. SUMMARY

[0003] In order to solve the technical problems existing in the prior art, the purpose of the present application is to provide a sealing structure with axial adjustable installation position, which can solve the problems of axial adjustment difficulty during installation of the sealing structure between two tubular interfaces, and poor sealing performance caused by the problem of the same axial degree of the rotating end connecting pipe.

[0004] To solve the above-mentioned technical problems, the present application adopts the following technical scheme:

[0005] A sealing structure with axial adjustable installation position, comprising a short adjusting pipe connected with a fixed connecting pipe, an adjusting flange arranged around the outside of the short adjusting pipe, a connecting pipe arranged on one side of the adjusting flange, a sealing mechanism arranged on the connecting pipe, an inner ring plate fixedly arranged on the outside of a rotating drum, the sealing mechanism being fixedly installed on the inner ring plate through the connecting pipe, the two sides of the inner ring plate being sealed by the sealing mechanism, the inner ring plate being synchronously rotated by the rotating drum, and the rotating drum being relatively rotated with the inner ring plate.

[0006] Preferably, the short adjusting pipe and the adjusting flange are fixed by welding, and the installation position of the adjusting flange is adjusted in real time by the axial movement of the installation position of the sealing mechanism.

[0007] Preferably, a soft connecting piece is arranged between the adjusting flange and the connecting pipe, and the relative position between the short adjusting pipe and the sealing mechanism is elastically self-adapted through the soft connecting piece.

[0008] Preferably, the soft connecting piece comprises an arc-shaped connecting ring and fixing flanges arranged on both sides of the connecting ring, and the two ends of the soft connecting piece are connected with the adjusting flange and the connecting pipe through the fixing flanges respectively.

[0009] Preferably, the sealing mechanism comprises mounting rings arranged on both sides of the inner ring plate respectively, an outer ring plate arranged between the two mounting rings, and wear-resistant rings arranged on the inner sides of the mounting rings, and annular grooves are formed between the two mounting rings and the outer ring plate, the inner ring plate is located in the annular grooves, and the two sides of the inner ring plate are clamped and sealed through the wear-resistant rings.

[0010] Preferably, the outer side of the outer ring plate is provided with two hangers.

[0011] Preferably, the outer side of the mounting ring is provided with a ring of elastic extrusion pieces for pressing the wear-resistant rings inward.

[0012] Preferably, the inner ring plate is fixed on the flange outside the rotating drum through bolts.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The short adjusting pipe is welded outside the externally connected fixed connecting pipe, the axial installation position of the sealing structure can be adjusted by moving the relative position of the short adjusting pipe, the two sides of the sealing mechanism are sealed with the inner ring plate, the gap in the sealing area caused by the concentricity error of the rotating drum during rotation can be avoided, the problems that the axial adjustment is troublesome when the existing sealing structure is used to connect and seal between two tubular interfaces and the sealing property is difficult to guarantee due to the axiality problem of the rotating end connecting pipe after sealing are solved, the installation is more convenient, and the adaptability is better. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an assembly structure sectional view of the utility model;

[0017] In the drawing: 1, short adjusting pipe; 2, adjusting flange; 3, soft connecting piece; 31, connecting ring; 32, fixing flange; 4, connecting pipe; 5, sealing mechanism; 51, outer ring plate; 52, mounting ring; 53, wear-resistant ring; 6, annular groove; 7, inner ring plate; 8, elastic extrusion piece; 9, hanger. DETAILED DESCRIPTION

[0018] The application will be further described below in conjunction with the drawings and specific embodiments. It should be noted that the embodiments described below or technical features between the embodiments can be combined in any manner to form new embodiments without conflict.

[0019] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] The terms "first", "second", etc. in the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of a kind and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0021] As shown in Figure 1 and Figure 2 An axial adjustment mounting position sealing structure, comprising a short adjustment pipe 1 connected with a fixed connection pipe, an adjustment flange 2 arranged outside the short adjustment pipe 1, a connecting pipe 4 arranged on one side of the adjustment flange 2, a sealing mechanism 5 arranged on the connecting pipe 4, an inner ring plate 7 arranged outside the rotating drum, the sealing mechanism 5 is fixedly installed on the inner ring plate 7 through the connecting pipe 4, the two sides of the inner ring plate 7 are sealed by the sealing mechanism 5, the inner ring plate 7 rotates synchronously with the rotating drum, and the rotating drum rotates relative to the inner ring plate 7.

[0022] In the sealing of the connection between the fixed pipe of the rotating drum and other equipment through the sealing structure, the short adjusting pipe 1 is welded outside the externally connected fixed pipe, and one side of the connecting pipe 4 is fixedly installed on one side of the adjusting flange 2, and the sealing mechanism 5 is fixed on the connecting pipe 4, so that the sealing mechanism 5 is relatively fixedly installed with the fixed pipe, and the sealing mechanism 5 can realize relative rotation during the rotation of the rotating drum. Since the short adjusting pipe 1 is welded outside the externally connected fixed pipe, the axial installation position of the sealing structure can be adjusted by moving the relative position of the short adjusting pipe 1. An inner ring plate 7 is fixed outside the rotating drum, and the sealing mechanism 5 is sealed on both sides of the inner ring plate 7, so that the gap in the sealing area caused by the concentricity error of the rotating drum during rotation can be avoided, effectively solving the problems of existing sealing structures, such as axial adjustment difficulty and difficulty in ensuring sealing after sealing due to the axiality of the rotating end pipe. It is more convenient to install and better to adapt.

[0023] Further improvement is that the short adjusting pipe 1 and the adjusting flange 2 are fixed by welding, and the installation position of the adjusting flange 2 is adjusted in real time by the installation position of the sealing mechanism 5.

[0024] During installation, the adjusting flange 2 and the short adjusting pipe 1 are non-fixed structures in the early stage. After the positions of the short adjusting pipe 1 and the sealing mechanism 5 are fixed, the adjusting flange 2 is welded, thereby effectively avoiding the problem of small axial position adjustment range during installation of the adjusting flange 2 and the short adjusting pipe 1 in the form of an integrated structure. The axial installation position of the sealing mechanism 5 can be adjusted more flexibly according to the installation position of the sealing mechanism 5, making the axial installation position adjustment of the sealing mechanism 5 more convenient, the installation simpler, and the operation more convenient.

[0025] Further improvement is that the adjusting flange 2 and the connecting pipe 4 are provided with a soft connecting piece 3, and the relative position between the short adjusting pipe 1 and the sealing mechanism 5 is elastically self-adapted through the soft connecting piece 3.

[0026] During installation and use of the short adjusting pipe 1 and the sealing mechanism 5, there will inevitably be a certain axial position relative error. Therefore, after the soft connecting piece 3 is connected between the adjusting flange 2 and the connecting pipe 4, the error between them can be self-adaptively compensated, avoiding the problem of installation failure.

[0027] Further improvement is that the soft connecting piece 3 includes an arc-shaped connecting ring 31 and fixed flanges 32 arranged on both sides of the connecting ring 31, and the two ends of the soft connecting piece 3 are connected to the adjusting flange 2 and the connecting pipe 4 through the fixed flanges 32, respectively.

[0028] When the soft connecting piece 3 is installed, the two ends are connected with the connecting pipe 4 and the adjusting flange 2 through the fixed flange 32 respectively, which is more convenient for disassembly and assembly, and the middle connecting ring 31 has an arc structure, which can have better axial expansion to avoid the problem of dislocation of the sealing structure due to the change of the axial position of the rotating drum in the rotating process.

[0029] Further improved on the basis of any of the above embodiments, the sealing mechanism 5 includes a mounting ring 52 arranged on both sides of the inner ring plate 7, an outer ring plate 51 arranged between the two mounting rings 52, and a wear-resistant ring 53 arranged inside the mounting ring 52. The two mounting rings 52 and the outer ring plate 51 form an annular groove 6, and the inner ring plate 7 is located in the annular groove 6. The two sides of the inner ring plate 7 are clamped and sealed by the wear-resistant ring 53.

[0030] When sealed by the sealing mechanism 5, the two mounting rings 52 and the outer ring plate 51 form an annular groove 6, and the inner ring plate 7 is located in the annular groove 6. The two sides of the inner ring plate 7 are clamped and sealed by the wear-resistant ring 53. When the rotating drum rotates, the inner ring plate 7 rotates in the annular groove 6, and the two sides are clamped and sealed by the wear-resistant ring 53. When the rotating drum is relatively radially dislocated due to concentricity problems, the inner ring plate 7 can compensate by moving radially in the annular groove 6, and the wear-resistant ring 53 on both sides is still tightly sealed against the inner ring plate 7 during radial movement. Thus, the situation that the sealing area has a gap due to concentricity error of the rotating drum during rotation can be effectively avoided, and the problem that the sealing performance is difficult to guarantee due to the shafting problem of the rotating end pipe after sealing is effectively solved. The two mounting rings 52 and the outer ring plate 51 are connected in series by bolts, which is more convenient to install and has better adaptability.

[0031] Further improved, the outer side of the mounting ring 52 is provided with a ring of elastic extrusion members 8 that press the wear-resistant ring 53 inward.

[0032] The elastic extrusion members 8 can uniformly extrude and seal the wear-resistant ring 53 against the side of the inner ring plate 7, thereby ensuring the sealing performance of the contact surface between the inner ring plate 7 and the wear-resistant ring 53. The elastic extrusion members 8 are composed of pressure blocks that are pressed inward by springs. The springs extrude the pressure blocks, and the pressure blocks push the wear-resistant ring 53 to achieve overall compression. Further improved, the outer end of the spring also has a pressure rod that can be adjusted forward and backward. The pressure of the pressure rod on the spring can control the spring force. The greater the extrusion force of the pressure rod on the spring, the greater the extrusion force of the spring on the pressure block, and the greater the sealing pressure.

[0033] Further improved, the outer ring plate 51 is provided with two hanging rods 9.

[0034] One end of the suspender 9 is fixed on the outer ring plate 51, and the sealing mechanism 5 can be hung on the wall top or other area through the suspender 9, so as to ensure that the relative position of the sealing mechanism 5 is fixed.

[0035] Further improvement is that the inner ring plate 7 is fixed on the flange outside the rotating drum through bolts.

[0036] The inner ring plate 7 is fixed on the flange outside the rotating drum through bolts, so that the outer side of the rotating drum has a rotating surface sufficient to contact the wear-resistant ring 53, avoiding the phenomenon that there is no surface to be sealed during the sealing process through the wear-resistant ring 53, and the cost of the equipment modification is lower.

[0037] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. An axially adjustable mounting position seal structure characterized by: The utility model relates to a sealing mechanism for rotary drum, which comprises a short adjusting pipe (1) connected with a fixed pipe, an adjusting flange (2) arranged outside the short adjusting pipe (1), a connecting pipe (4) arranged on one side of the adjusting flange (2), a sealing mechanism (5) arranged on the connecting pipe (4), an inner ring plate (7) arranged outside the rotary drum, and the sealing mechanism (5) is fixedly installed on the inner ring plate (7) through the connecting pipe (4), the two sides of the inner ring plate (7) are sealed through the sealing mechanism (5), the inner ring plate (7) rotates synchronously through the rotary drum, and the rotary drum rotates oppositely with the inner ring plate (7).

2. An axially adjustable mounting position seal according to claim 1, wherein: The short adjusting pipe (1) and the adjusting flange (2) are fixed by welding, and the mounting position of the adjusting flange (2) is axially adjusted in real time through the mounting position of the sealing mechanism (5).

3. An axially adjustable mounting position seal according to claim 1, wherein: A soft connecting piece (3) is arranged between the adjusting flange (2) and the connecting pipe (4), and the relative position between the short adjusting pipe (1) and the sealing mechanism (5) is elastically self-adapted through the soft connecting piece (3).

4. An axially adjustable mounting position seal according to claim 3, wherein: The soft connecting piece (3) comprises an arc-shaped connecting ring (31) and fixed flanges (32) arranged on the two sides of the connecting ring (31), and the two ends of the soft connecting piece (3) are connected with the adjusting flange (2) and the connecting pipe (4) through the fixed flanges (32) respectively.

5. A seal structure for axially adjustable mounting position according to any one of claims 1 to 4, characterized in that: The sealing mechanism (5) comprises mounting rings (52) arranged on the two sides of the inner ring plate (7) respectively, an outer ring plate (51) arranged between the two mounting rings (52), and wear-resistant rings (53) arranged on the inner sides of the mounting rings (52), and the inner ring plate (7) is located in a ring-shaped groove (6) formed between the two mounting rings (52) and the outer ring plate (51), and the two sides of the inner ring plate (7) are clamped and sealed through the wear-resistant rings (53).

6. An axially adjustable mounting position seal according to claim 5, wherein: An elastic extruding piece (8) is arranged on the outer side of the mounting ring (52) to press the wear-resistant ring (53) inward.

7. An axially adjustable mounting position seal according to claim 5, wherein: Two suspending rods (9) are arranged on the outer side of the outer ring plate (51).

8. An axially position adjustable mounting seal according to claim 1, wherein: The inner ring plate (7) is fixed on a flange outside the rotary drum through bolts.

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