CN205400819U - Novel brush seal - Google Patents
Novel brush seal Download PDFInfo
- Publication number
- CN205400819U CN205400819U CN201620128807.8U CN201620128807U CN205400819U CN 205400819 U CN205400819 U CN 205400819U CN 201620128807 U CN201620128807 U CN 201620128807U CN 205400819 U CN205400819 U CN 205400819U
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- brush
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Abstract
The utility model discloses a novel brush seal, sealing including vapor seal piece and brush, having seted up the brush on the vapor seal piece and sealed a groove, the brush sealing fixes on the brush and seals an inslot, and the brush package is drawn together two brush silk backplates and is set up the brush silks between two brush silk backplates, and two brush silk backplate height are the same and all be less than brush thread, the brush seals the groove and is equipped with the separation blade that prevents the slope of brush silk in the below of the side of giving vent to anger, separation blade and vapor seal piece structure as an organic whole. The utility model discloses a when making, adopt novel brush seal the straight formula brush of preparation earlier to seal, and then roll the type of curving, it is loaded down with trivial details to have avoided the preparation of current technology, commonality subalternation shortcoming, the present invention can realize mass production, the effective storage capacity, excellent in universality, it seals an array orientation and receives the rotor and arrange to have removed the brush, the influence of counter -clockwise turning, lowers reject rate, an, original row silk template has been abandoned, adopt automatic wire winding technology, the hand -operated cutter assembling body is also advantaged by reducing labor intensity of workers, improve the degree of consistency and the precision of arranging the silk, and very big improvement production efficiency.
Description
Technical field
This utility model relates to a kind of Novel brush type seal, belongs to water-tight equipment technical field.
Background technology
Brush seal is that a kind of Efficient Damping that developed recently gets up seals, its leakage rate is the 1/5-1/10 of Comb Labyrinth Seals, and allow transient state between sound serious not concentric and keep sealability constant, not only improve unit efficiency but also improve the stability of rotor, be applied to the turbomachines such as aero-engine, industry gas turbine and steam turbine.The primary structure of brush seal is on original packing basis, install a circle brush strip of paper used for sealing additional, original high tooth is replaced with brush strip of paper used for sealing, the original high tooth of aspect ratio wants height, because reducing labyrinth clearance, thus reducing gas leakage, the brush filament of its hermetic unit is to arrange a resistant to elevated temperatures B alloy wire of circle along rotor direction of rotation, can the high temperature of resistance to less than 1000 degrees Celsius indeformable, during operation, the brush wire bundle scattered is similar to the wind effects of shelter-forest, play sealing effectiveness, the transient state being adapted to rotor is beated, recover original labyrinth clearance, result of use can be ensured for a long time, and brush filament is flexible, big impact is caused without on the vibration of unit, energy-saving effect is more apparent, therefore range of application is wider.
Owing to the front and back backplate length of tradition brush seal is different, generating will according to the different radian of packing when manufacturing, process the apron plate of corresponding segmental arc, rear backplate, brush wire bundle in advance, further according to be actually needed carry out clamping and weld after adaptive again, thus there is Railway Project: (one) cannot be carried out batch production, simultaneously also cannot effective storage capacity；(2) manufacture process needs the row's of employing silk template, and needs manual type that tow is inserted template, and row's silk uniformity and precision are all relatively low, and production efficiency is not high yet；(3) row's silk angle is immutable, is generally 45 °, if to change row's silk angle, a template of again more changing gear, row's silk template specification is various；(4) orientation of brush envelope is subject to that rotor is suitable, the impact of rotation counterclockwise, and percent defective is high.
Utility model content
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of Novel brush type seal is provided, solve the adaptive unicity in the manufacture process of tradition brush seal, realize batch and prepare material, batch production effective storage capacity, improve production efficiency simultaneously, reduce percent defective.
For solving above-mentioned technical problem, this utility model adopts technical scheme as follows:
A kind of Novel brush type seal, it is characterised in that: including gland blocks and brush envelope, described gland blocks is provided with the multiple high tooth for sealing and low tooth, and described gland blocks is further opened with brush sealing groove, and described brush sealing fixes in brush sealing groove, it is characterised in that:
Described brush package draws together two pieces of brush filament backplates and the brush filament being arranged between two pieces of brush filament backplates, described two pieces of brush filament backplate height are identical and can be placed in brush sealing groove, described brush sealing groove is at the catch being connected with preventing brush filament from tilting of side of giving vent to anger, and the free end of described brush filament protrudes from catch.
Aforesaid a kind of Novel brush type seal, it is characterised in that: described catch and gland blocks are structure as a whole.
Aforesaid a kind of Novel brush type seal, it is characterised in that: described brush sealing groove is opened in gland blocks near the position of high tooth or low tooth, and is positioned at the air inlet side of corresponding high tooth or low tooth.
Aforesaid a kind of Novel brush type seal, it is characterised in that: the free end of described brush filament protrudes from brush filament backplate 10 ~ 20mm.
This utility model has following beneficial effect: tradition brush seal structure is improved by this utility model, front and back backplate is designed as length identical, the air inlet side being opened in gland blocks by brush sealing groove high tooth or low tooth, and retain a part of high tooth or low tooth and substitute original rear backplate, play the effect suppressing brush filament to tilt；After this Novel brush type seal structure is improved, it is possible to adopt coming of new process, first make vertical bar brush envelope, then rolling-bending forming again, it is to avoid existing technique makes the shortcomings such as loaded down with trivial details, poor universality, it is possible to batch production, effective storage capacity, and realize the standardization of products, versatility is good, achieve automated production, save a large amount of man-hour, improve production efficiency and product quality, relieve brush envelope orientation and be subject to that rotor is suitable, the impact of rotation counterclockwise, reduce percent defective, improve production efficiency greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of Novel brush type seal of the present utility model.
Fig. 2 is the structural representation of the gland blocks of Novel brush type seal of the present utility model.
Fig. 3 is the structural representation of the brush envelope of Novel brush type seal of the present utility model.
Fig. 4 is the principle schematic of wrapping wire operation in Novel brush type seal manufacture method of the present utility model.
Fig. 5 be in Novel brush type seal manufacture method of the present utility model wrapping wire operated after brush envelope schematic diagram.
Fig. 6 is that the brush completing wrapping wire operation in Novel brush type seal manufacture method of the present utility model is encapsulated into the design sketch after brush binder has.
Fig. 7 be in Novel brush type seal manufacture method of the present utility model welding operation complete after semi-finished product schematic diagram.
Fig. 8 is the brush envelope top view in Novel brush type seal manufacture method of the present utility model before rough cutting.
Fig. 9 is the vertical bar brush the obtained envelope after carrying out rough cutting in Novel brush type seal manufacture method of the present utility model.
Vertical bar brush envelope is carried out the brush the obtained envelope segmental arc after rectifying arc by Figure 10 in Novel brush type seal manufacture method of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.Following example are only for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
A kind of Novel brush type seal, structure is as it is shown in figure 1, include gland blocks 1 and brush envelope 2, gland blocks 1 is provided with the multiple high tooth for sealing and low tooth, being further opened with brush sealing groove 3 in gland blocks 1, brush sealing groove 3 is opened in gland blocks 1 near high teeth portion position, and is positioned at the air inlet side of corresponding high tooth；Brush envelope 2 is fixed in brush sealing groove 3, and brush envelope 2 structures are as it is shown on figure 3, include two pieces of brush filament backplates 5 and the brush filament 6 being arranged between two pieces of brush filament backplates 5；Two pieces of brush filament backplates 5 are highly identical and can be placed in brush sealing groove 3, brush sealing groove 3 is at the catch being connected with preventing brush filament 6 from tilting of side of giving vent to anger, the free end of brush filament 6 protrudes from catch, catch and gland blocks 1 are structure as a whole (as shown in Figure 2), namely in gland blocks 1, the air inlet side of high tooth or low tooth offers brush sealing groove 3, and retain the rear backplate of the brush envelope of a part of high tooth or low tooth replacement traditional structure, play the effect suppressing brush filament to tilt.
The manufacture method of a kind of Novel brush type seal, comprises the following steps:
Step one, grooving operations: offer brush sealing groove 3 near the position of high tooth or low tooth in gland blocks 1；
Step 2, prepared by material: process the brush filament backplate 5 and wrapping wire spool 10 that match, and be installed on wrapping wire ring 9 by wrapping wire spool；
Step 3, wrapping wire operates: as shown in Figure 4, the brush filament backplate 5 prepared is fixed on the positioner 7 of craspedodrome displacement frame of machining tool, and between two pieces of brush filament backplates, place asbestos board 8, then debugging positioner 7, ensure that brush filament backplate 5 can slide smoothly on craspedodrome displacement frame, have good positioning the initial position of wrapping wire, according to design requirement, set the translational speed of the number of turns of wrapping wire, angle and craspedodrome displacement frame, open motor carry out automatic winding, wrapping wire is automatically stopped after terminating, wrapping wire terminate after brush seal as shown in Figure 5；
Step 4, brush packaging clip: as shown in Figure 6, after ready brush binder has 11 loading brush filament backplates 5, the brush buckling into wrapping wire complete is sealed up, after the alignment of all brush filament backplates 5, locking brush binder tool 11, takes off from automatic winding machine；
Step 5, welding operation: being placed on automatic welding machine by clamping brush envelope, carry out automatic welding after setting parameter, welding slag of polishing after welding, the brush after having welded seals as Figure 7-8；
Step 6, rough cutting: utilize linear cutting equipment, the brush envelope welded is cut in the middle of brush filament, pulls down asbestos board 8, obtain the vertical bar brush envelope 12 shown in Fig. 9；
Step 7, rectifys arc: the vertical bar brush obtained by above step envelope is placed on and rolls on arc machine, according to different diameter demands, vertical bar brush seals the satisfactory brush envelope segmental arc 13 shown in orthopedic one-tenth Figure 10；
Step 8, according to installation site, the brush manufactured is sealed after segmental arc is first riveted in brush sealing groove and carries out polish, or it is riveted in brush sealing groove after first carrying out polish, finishing passes is, according to design size requirement, adopt linear cutting equipment that brush envelope is carried out final cutting, be fabricated to satisfactory finished product brush envelope.
Traditional traditional brush seal structure has been improved by this utility model, front and back backplate is designed as length consistent, brush sealing groove is opened in the high tooth of gland blocks or the air inlet side of low tooth, and retains a part of high tooth or the original rear backplate of low tooth replacement, play the effect suppressing brush filament to tilt；Meanwhile, based on the manufacture method of brush seal of the present utility model, first make vertical bar brush envelope, then rolling-bending forming again, it is to avoid existing technique makes the shortcomings such as loaded down with trivial details, poor universality, it is possible to batch production, effective storage capacity, and realizes the standardization of products, and versatility is good.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the premise without departing from this utility model know-why; can also making some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.
Claims (4)
1. a Novel brush type seal, it is characterized in that: include gland blocks (1) and brush envelope (2), described gland blocks (1) is provided with the multiple high tooth for sealing and low tooth, described gland blocks (1) is further opened with brush sealing groove (3), described brush envelope (2) is fixed in brush sealing groove (3), it is characterised in that:
Described brush envelope (2) includes two pieces of brush filament backplates (5) and the brush filament (6) being arranged between two pieces of brush filament backplates (5), described two pieces of brush filament backplates (5) are highly identical and can be placed in brush sealing groove (3), described brush sealing groove (3) is at the catch being connected with preventing brush filament (6) from tilting of side of giving vent to anger, and the free end of described brush filament (6) protrudes from catch.
2. a kind of Novel brush type seal according to claim 1, it is characterised in that: described catch and gland blocks (1) are structure as a whole.
3. a kind of Novel brush type seal according to claim 1, it is characterised in that: described brush sealing groove (3) is opened in the upper position near high tooth or low tooth of gland blocks (1), and is positioned at the air inlet side of corresponding high tooth or low tooth.
4. a kind of Novel brush type seal according to claim 1, it is characterised in that: described brush filament (6) free end protrudes from brush filament backplate (5) 1 ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128807.8U CN205400819U (en) | 2016-02-19 | 2016-02-19 | Novel brush seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128807.8U CN205400819U (en) | 2016-02-19 | 2016-02-19 | Novel brush seal |
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| Publication Number | Publication Date |
|---|---|
| CN205400819U true CN205400819U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620128807.8U Active CN205400819U (en) | 2016-02-19 | 2016-02-19 | Novel brush seal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569744A (en) * | 2016-02-19 | 2016-05-11 | 江苏拓平密封科技有限公司 | Novel brush type seal and production method thereof |
| CN106121855A (en) * | 2016-08-25 | 2016-11-16 | 张家港市中程进出口贸易有限公司 | A kind of two grades of dividing plates of internal combustion engine |
| CN106121856A (en) * | 2016-08-25 | 2016-11-16 | 张家港市中程进出口贸易有限公司 | Two grades of dividing plates of internal combustion engine |
| CN106194491A (en) * | 2016-08-25 | 2016-12-07 | 张家港市中程进出口贸易有限公司 | A kind of internal combustion engine dividing plate |
-
2016
- 2016-02-19 CN CN201620128807.8U patent/CN205400819U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569744A (en) * | 2016-02-19 | 2016-05-11 | 江苏拓平密封科技有限公司 | Novel brush type seal and production method thereof |
| CN105569744B (en) * | 2016-02-19 | 2017-02-08 | 江苏拓平密封科技有限公司 | Brush type seal and production method thereof |
| CN106121855A (en) * | 2016-08-25 | 2016-11-16 | 张家港市中程进出口贸易有限公司 | A kind of two grades of dividing plates of internal combustion engine |
| CN106121856A (en) * | 2016-08-25 | 2016-11-16 | 张家港市中程进出口贸易有限公司 | Two grades of dividing plates of internal combustion engine |
| CN106194491A (en) * | 2016-08-25 | 2016-12-07 | 张家港市中程进出口贸易有限公司 | A kind of internal combustion engine dividing plate |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200518 Address after: No.12, yanmahe Road, science and technology entrepreneurship Park, economic development zone, Hongze District, Huai'an City, Jiangsu Province Patentee after: JIANGSU XINXINRUN TECHNOLOGY Co.,Ltd. Address before: 210046, Jiangsu Province, Qixia District, Nanjing Yao street, Gan family side, No. 06 East, building 108, 1 Patentee before: JIANGSU TUOPING SEALING TECHNOLOGY Co.,Ltd. |