Fixing support for air pre-heater sealing structure

Abstract

The utility model relates to the technical field of fixing supports, and discloses a fixing support for an air pre-heater sealing structure. The fixing support for the air pre-heater sealing structure comprises a fixing frame, a fixing sleeve is arranged on the inner wall of the fixing frame, a rotating ring is arranged on the outer wall of the fixing sleeve, clamping frames are evenly arranged on the inner wall of the rotating ring, acting grooves are evenly formed in the outer wall of the fixing frame, and fixing rods are arranged on the inner walls of the acting grooves. According to the scheme, the fixing frame, the fixing sleeve, the rotating ring and other devices are arranged to be matched, so that the device can conveniently assemble and disassemble a sealing piece, conveniently support and limit the sealing piece, prevent loosening and deviation, and facilitate stable operation of the air pre-heater; through cooperation of a locking ring, a positioning ring, a fixing sleeve and other devices, the rotating ring can be conveniently limited and fixed through the device, slippage caused by looseness of the supporting sealing piece is avoided, and supporting and fixing of the sealing piece are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixed brackets, in particular to a fixed bracket for an air preheater sealing structure. Background Art

[0002] The air preheater is a heating surface where the flue gas in the flue at the tail end of the boiler preheats the air before entering the boiler to a certain temperature through the internal heat sink. It is a device used to improve the heat exchange performance of the boiler and reduce energy consumption. Air preheaters are generally divided into three types: plate type, rotary type and tube type. The air preheater sealing structure mostly directly uses elastic parts to support the sealing structure and control the spatial position of the seal to achieve self-adjusting sealing. The existing support structure is relatively simple and has poor support effect on the seal, which makes the seal easy to deviate and loosen. For this reason, we propose a fixed bracket for the air preheater sealing structure. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fixed bracket for the air preheater sealing structure, which effectively solves the problem that the existing supporting structure is relatively simple and the supporting effect on the seal is poor, which causes the seal to be easily offset and loose.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed bracket for an air preheater sealing structure, comprising a fixed bracket, a fixed sleeve is arranged on the inner wall of the fixed bracket, a swivel is arranged on the outer wall of the fixed sleeve, a clamping bracket is evenly arranged on the inner wall of the swivel, an action groove is evenly opened on the outer wall of the fixed bracket, a fixing rod is arranged on the inner wall of the action groove, a sliding groove is opened on the front side wall of the clamping bracket, the fixing rod is located in the inner cavity of the sliding groove, a sealing member is arranged in the inner cavity of the fixed sleeve, the clamping bracket is located on the outer wall of the sealing member, and a locking mechanism is arranged on the outer wall of the swivel.

[0005] Preferably, the locking mechanism includes a locking ring and a positioning ring, the locking ring is arranged on the outer wall of the rotating ring, the positioning ring is arranged on the outer wall of the fixing sleeve, the outer walls of the rotating ring and the positioning ring are both arranged in a polygonal shape, the inner wall of the locking ring matches the outer wall of the positioning ring, and the outer wall of the positioning ring is provided with an adjustment mechanism.

[0006] Preferably, the adjusting mechanism includes a worm wheel, an action frame and a worm, the worm wheel is arranged on the outer wall of the positioning ring, the action frame is arranged on the outer wall of the fixing sleeve, the worm is arranged on the left and right side walls of the inner cavity of the action frame, the worm wheel is meshed with the worm, and a knob is arranged on the right end of the worm, and the knob is located on the right side of the action frame.

[0007] Preferably, the outer wall of the positioning ring is provided with a magnetic ring, and the front end of the locking ring is provided with a magnetic disc ring.

[0008] Preferably, an anti-slip sleeve is provided at one end of the clamping frame close to the sealing member, and the surface of the anti-slip sleeve is frosted.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The fixing bracket for the air preheater sealing structure can facilitate the installation and removal of the sealing member by arranging the fixing bracket, the fixing sleeve and the rotating ring, so as to facilitate the support and limiting, prevent the loosening and deviation, and facilitate the stable operation of the air preheater;

[0011] 2. The fixing bracket for the air preheater sealing structure can facilitate the device to limit and fix the rotating ring by arranging a locking ring, a positioning ring and a fixing sleeve, so as to avoid the loosening of the supporting seal and cause slippage, which is conducive to supporting and fixing the seal;

[0012] 3. The fixed bracket for the air preheater sealing structure is matched with devices such as a turbine, an action frame and a worm gear, so that locking rings at different positions can be connected by rotating the positioning ring, and it is convenient to fix and support seals of different sizes, which is beneficial to improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

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

[0016] Figure 2 It is a schematic cross-sectional structural diagram of the fixing sleeve of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified view of part A in FIG.

[0018] In the figure: 100, fixed frame; 101, fixed sleeve; 102, swivel; 103, clamping frame; 104, fixed rod; 105, sealing member; 106, locking mechanism; 107, locking ring; 108, positioning ring; 109, adjusting mechanism; 110, worm gear; 111, action frame; 112, worm; 113, magnetic ring; 114, magnetic sheet ring; 115, anti-slip sleeve. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figure 1 , Figure 2 and Figure 3The utility model provides a fixing bracket for an air preheater sealing structure, wherein a fixing sleeve 101 is arranged on the inner wall of the fixing bracket 100, a rotating ring 102 is arranged on the outer wall of the fixing sleeve 101, a clamping bracket 103 is evenly arranged on the inner wall of the rotating ring 102, an action groove is evenly opened on the outer wall of the fixing bracket 100, a fixing rod 104 is arranged on the inner wall of the action groove, a sliding groove is opened on the front side wall of the clamping bracket 103, the fixing rod 104 is located in the inner cavity of the sliding groove, a sealing member 105 is arranged on the inner cavity of the fixing sleeve 101, the clamping bracket 103 is located on the outer wall of the sealing member 105, and a locking mechanism 106 is arranged on the outer wall of the rotating ring 102; by installing the fixing bracket 100 to the outer side of the air preheater, the sealing member 105 is inserted into the fixing bracket 103, and the fixing member 105 is fixed to the fixing bracket 100. The inner cavity of the fixed sleeve 101 drives the clamping frame 103 to rotate by rotating the rotating ring 102, and the clamping frame 103 is rotated by the fixing rod 104, and the sealing member 105 is clamped and fixed by rotating the clamping frame 103. The sealing member 105 is supported and limited by multiple groups of clamping frames 103, and the device can be easily loaded and unloaded to support and limit the sealing member 105, and it is convenient to prevent loosening and deviation, which is beneficial to the stable operation of the air preheater. The locking mechanism 106 includes a locking ring 107 and a positioning ring 108. The locking ring 107 is arranged on the outer wall of the rotating ring 102, and the positioning ring 108 is arranged on the outer wall of the fixed sleeve 101. The outer walls of the rotating ring 102 and the positioning ring 108 are both arranged in polygonal shapes. The inner wall of the fixed ring 107 matches the outer wall of the positioning ring 108, and the outer wall of the positioning ring 108 is provided with an adjustment mechanism 109; the locking ring 107 is used to drive the rotating ring 102 to rotate, and the locking ring 107 is pushed to move so as to be sleeved on the outer wall of the positioning ring 108, and the locking ring 107 is used to limit the position of the locking ring 107 through the positioning ring 108, and the locking ring 107 is used to limit the position of the rotating ring 102, so that the device can easily limit and fix the rotating ring 102, avoid the loosening of the supporting seal 105 and cause slippage, which is conducive to supporting and fixing the seal 105, and the adjustment mechanism 109 includes a worm gear 110, an action frame 111 and a worm 112, and the worm gear 110 is set on the positioning ring 108 The outer wall of the fixing sleeve 101, the action frame 111 is arranged on the outer wall of the fixing sleeve 101, the worm 112 is arranged on the left and right side walls of the inner cavity of the action frame 111, the worm wheel 110 is meshed with the worm 112, and a knob is arranged at the right end of the worm 112, and the knob is located on the right side of the action frame 111; the worm wheel 110 is driven to rotate by rotating the worm 112, and the positioning ring 108 is driven to rotate by the worm wheel 110, so that the locking ring 107 at different positions can be connected by rotating the positioning ring 108, and the sealing members 105 of different sizes can be fixedly supported, which is conducive to improving the practicality of the device, and the outer wall of the positioning ring 108 is provided with a magnetic ring 113, and the front end of the locking ring 107 is provided with a magnetic sheet ring 114;The magnetic ring 113 and the magnetic disk ring 114 are attracted to each other, so as to attract and limit the locking ring 107, and prevent the locking ring 107 from sliding or deflecting. The end of the clamping frame 103 close to the sealing member 105 is provided with an anti-slip sleeve 115, and the surface of the anti-slip sleeve 115 is frosted. The anti-slip sleeve 115 is provided to clamp and fix the sealing member 105, and prevent the sealing member 105 from sliding or deflecting, which is beneficial to clamp and fix the sealing member 105 and facilitates support.

[0021] Working principle: by installing the fixing frame 100 to the outside of the air preheater, inserting the seal 105 into the inner cavity of the fixing sleeve 101, driving the clamping frame 103 to rotate by rotating the swivel 102, rotating the clamping frame 103 by the fixing rod 104, and clamping and fixing the seal 105 by rotating the clamping frame 103, and supporting and limiting the seal 105 by multiple groups of clamping frames 103, the device can be easily loaded and unloaded, and the seal 105 can be easily supported and limited to prevent loosening and displacement, which is beneficial to the stable operation of the air preheater, and the swivel 102 can be easily driven to rotate by the locking ring 107, and the sleeve can be easily moved by pushing the locking ring 107 to move. It is connected to the outer wall of the positioning ring 108, and the locking ring 107 is conveniently limited by the positioning ring 108. The locking ring 107 is convenient for limiting the rotating ring 102, so that the device can limit and fix the rotating ring 102 to avoid the loosening and slipping of the supporting seal 105, which is beneficial to supporting and fixing the seal 105. The worm wheel 110 is driven to rotate by rotating the worm 112, and the positioning ring 108 is convenient to rotate by the worm wheel 110. The positioning ring 108 can be rotated to facilitate the connection of locking rings 107 in different positions through the rotation of the positioning ring 108, so as to facilitate the fixed support of seals 105 of different sizes, which is beneficial to improve the practicality of the device.

Claims

1. A fixing bracket for an air preheater sealing structure, comprising a fixing bracket (100), characterized in that: The inner wall of the fixing frame (100) is provided with a fixing sleeve (101), the outer wall of the fixing sleeve (101) is provided with a rotating ring (102), the inner wall of the rotating ring (102) is evenly provided with a clamping frame (103), the outer wall of the fixing frame (100) is evenly provided with an action groove, the inner wall of each of the action grooves is provided with a fixing rod (104), the front side wall of each of the clamping frames (103) is provided with a sliding groove, the fixing rod (104) is located in the inner cavity of the sliding groove, the inner cavity of the fixing sleeve (101) is provided with a sealing member (105), the clamping frame (103) is located on the outer wall of the sealing member (105), and the outer wall of the rotating ring (102) is provided with a locking mechanism (106).

2. The fixing bracket for the air preheater sealing structure according to claim 1, characterized in that: The locking mechanism (106) comprises a locking ring (107) and a positioning ring (108); the locking ring (107) is arranged on the outer wall of the rotating ring (102); the positioning ring (108) is arranged on the outer wall of the fixing sleeve (101); the outer walls of the rotating ring (102) and the positioning ring (108) are both arranged in a polygonal shape; the inner wall of the locking ring (107) matches the outer wall of the positioning ring (108); and the outer wall of the positioning ring (108) is provided with an adjustment mechanism (109).

3. The fixing bracket for the air preheater sealing structure according to claim 2 is characterized in that: The adjusting mechanism (109) comprises a worm wheel (110), an operating frame (111) and a worm (112); the worm wheel (110) is arranged on the outer wall of the positioning ring (108); the operating frame (111) is arranged on the outer wall of the fixing sleeve (101); the worm (112) is arranged on the left and right side walls of the inner cavity of the operating frame (111); the worm wheel (110) is meshed with the worm (112); a knob is arranged at the right end of the worm (112); and the knob is located on the right side of the operating frame (111).

4. The fixing bracket for the air preheater sealing structure according to claim 2, characterized in that: The outer wall of the positioning ring (108) is provided with a magnetic ring (113), and the front end of the locking ring (107) is provided with a magnetic disk ring (114).

5. The fixing bracket for the air preheater sealing structure according to claim 1, characterized in that: An anti-slip sleeve (115) is provided at one end of the clamping frame (103) close to the sealing member (105), and the surface of the anti-slip sleeve (115) is frosted.

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