CN220689987U - Air preheater sealing gap adjustment scale - Google Patents
Air preheater sealing gap adjustment scale Download PDFInfo
- Publication number
- CN220689987U CN220689987U CN202321904893.3U CN202321904893U CN220689987U CN 220689987 U CN220689987 U CN 220689987U CN 202321904893 U CN202321904893 U CN 202321904893U CN 220689987 U CN220689987 U CN 220689987U
- Authority
- CN
- China
- Prior art keywords
- scale
- adjusting
- adjusting bolt
- hole
- air preheater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 241000886545 Leptodea leptodon Species 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 claims abstract description 6
- 210000004907 gland Anatomy 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 241000669069 Chrysomphalus aonidum Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to an air preheater sealing gap adjusting scale, which comprises a scale shell; the scale shell is provided with a through scale adjusting hole along the length direction; a scale seat and a rotatable adjusting bolt are respectively arranged in the scale adjusting hole in a sliding manner; the left side of the scale base extends out of the scale shell, the right side of the scale base is in threaded connection with the left side of the adjusting bolt, the right side of the adjusting bolt extends out of the scale shell, the adjusting bolt is rotated, and the length of the scale base extending out of the scale shell can be adjusted under the action of threads; the outer surface of the scale seat is provided with a scale for marking the extending length of the scale seat; and a fixing bolt is arranged on the scale shell opposite to the graduated scale. The utility model has the advantages of simple measurement and adjustment operation, convenient installation, installation time saving and the like.
Description
Technical Field
The utility model relates to the technical field of air preheater sealing, in particular to an air preheater sealing gap adjusting scale.
Background
The air preheater is an important matching device of a boiler of a modern thermal power plant. The air preheater aims at transferring heat to cold air required by the boiler through the heat exchange element by absorbing a large amount of heat in the flue gas, changing the cold air into hot air and providing high-temperature hot air for the hearth so as to improve the efficiency of the burner. The air leakage coefficient of the air preheater determines the heat exchange efficiency of the air preheater, and the accuracy of seal adjustment determines the air leakage coefficient of the air preheater, so that the air preheater has quite high requirement on seal adjustment.
In order to ensure the precision of air preheater sealing adjustment, an air preheater sealing scale is generally used, but the installation of the existing air preheater sealing scale is complicated, and in the air preheater sealing clearance adjustment process, the internal space of the air preheater is narrow, so that the workload is large, the installation time is long, the accuracy of data measurement cannot be ensured, and the deviation of the installation precision of a sealing plate is often caused.
Disclosure of Invention
Therefore, the utility model provides an air preheater sealing gap adjusting scale which mainly solves the technical problems of large workload, long installation time and large deviation of the installation accuracy of sealing sheets caused by complex installation of the air preheater sealing scale in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
an air preheater sealing gap adjusting scale comprises a scale shell; the scale shell is provided with a through scale adjusting hole along the length direction; a scale seat and a rotatable adjusting bolt are respectively arranged in the scale adjusting hole in a sliding manner; the left side of the scale base extends out of the scale shell, the right side of the scale base is in threaded connection with the left side of the adjusting bolt, the right side of the adjusting bolt extends out of the scale shell, the adjusting bolt is rotated, and the length of the scale base extending out of the scale shell can be adjusted under the action of threads; the outer surface of the scale seat is provided with a scale for marking the extending length of the scale seat; and a fixing bolt is arranged on the scale shell opposite to the graduated scale.
Optionally, the scale adjusting hole on the right side of the scale shell is circular; the adjusting bolt is sleeved with a bearing; the bearing is installed on the circular graduated scale adjusting hole in an interference fit mode.
Preferably, a bearing gland is arranged on the end face of the right end of the scale shell; the bearing gland is provided with a bearing embedded groove; the right side of the bearing is embedded in the bearing embedding groove; the right side of the adjusting bolt can movably penetrate through the bearing gland and extend out of the adjusting bolt.
Preferably, a spring retainer ring is arranged between the bearing outer ring and the bottom wall of the bearing embedding groove.
Preferably, the bearing gland is provided with a mounting hole.
Optionally, the bearing gland is fixed on the right end face of the scale shell through a gland bolt.
Preferably, an adjusting handle is arranged at one end of the adjusting bolt extending out of the bearing gland.
Optionally, the device also comprises a handle fixing pin; the adjusting handle is provided with a connecting part; the connecting part is provided with an adjusting bolt mounting hole along the axial direction; the right end of the adjusting bolt is embedded in the adjusting bolt mounting hole; the connecting part is provided with a connecting part pin hole; the adjusting bolt is provided with an adjusting bolt pin hole; the handle fixing pin is embedded in the connecting part pin hole and the adjusting bolt pin hole.
Preferably, a first locking threaded hole communicated with the graduated scale adjusting hole is formed in the graduated scale shell; and the first locking threaded hole is connected with a first locking bolt through threads.
Preferably, a second locking threaded hole communicated with the graduated scale adjusting hole is formed in the graduated scale shell opposite to the first locking threaded hole; and the second locking threaded hole is connected with a second locking bolt through threads.
The utility model has at least the following beneficial effects:
the scale comprises a scale shell, wherein a scale adjusting hole is formed in the scale shell, a scale seat and an adjusting bolt are respectively and slidably arranged in the scale adjusting hole, the left side of the scale seat extends out of the scale shell, the right side of the scale seat is in threaded connection with the left side of the adjusting bolt, the right side of the adjusting bolt extends out of the scale shell, the adjusting bolt is rotated, the length of the scale seat extending out of the scale shell can be adjusted under the action of threads, and a fixing bolt is arranged on the scale shell opposite to the scale; the installation to this application scale can be realized through fixing bolt during the use, and when adjusting the distance, also only need rotatory adjusting bolt to carry out the adjustment of distance, easy operation.
Therefore, the air preheater sealing gap adjusting scale has the advantages of simple measurement and adjustment operation, convenience in installation, time saving and the like.
Drawings
In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.
FIG. 1 is a schematic diagram of the structure of a scale for adjusting the seal clearance of an air preheater according to the present utility model;
FIG. 2 is a schematic diagram showing an assembled state of a seal clearance adjustment scale of the air preheater according to the present utility model;
reference numerals illustrate:
1. a scale housing; 101. a first locking threaded hole; 102. a second locking threaded hole; 103. a graduated scale adjusting hole; 104. a fixing bolt; 2. a scale base; 201. a graduated scale; 3. an adjusting bolt; 301. adjusting bolt pin holes; 4. a first locking bolt; 5. a second locking bolt; 6. an adjusting handle; 601. a connection part; 6011. a connecting part pin hole; 7. a handle fixing pin; 8. a bearing gland; 801. a mounting hole; 802. bearing embedding groove; 9. a bearing; 10. a spring retainer ring; 11. and (5) pressing the bolts.
Detailed Description
The present application is further described in detail below with reference to the attached drawings.
In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.
According to the air preheater sealing gap adjusting scale disclosed by the utility model, as shown in fig. 1 and 2, a scale shell 1 is arranged, a through scale adjusting hole 103 is formed in the scale shell 1 along the length direction, a scale seat 2 and an adjusting bolt 3 are respectively arranged in the scale adjusting hole 103 in a sliding manner, the left side of the scale seat 2 extends out of the scale shell 1, the right side of the scale seat 2 is in threaded connection with the left side of the adjusting bolt 3, the right side of the adjusting bolt 3 extends out of the scale shell 1, the adjusting bolt 3 is rotated, the length of the scale seat 2 extending out of the scale shell 1 can be adjusted under the action of threads, a scale 201 is arranged on the outer surface of the scale seat 2 and used for marking the extending length of the scale seat 2, and a fixing bolt (104) is arranged on the scale shell 1 opposite to the scale 201. When the adjustable ruler is used, the adjustable ruler can be fixed only by the fixing bolts 104, and the adjustable ruler distance can be adjusted by rotating the adjusting bolts 3, so that the extending length of the scale seat 2 is changed under the action of threads, and the adjustable ruler is very convenient to use.
Optionally, in order to make the adjusting bolt 3 obtain better fixation, the scale adjusting hole 103 on the right side of the scale housing 1 is circular, the adjusting bolt 3 is sleeved with a bearing 9, and the bearing 9 is installed on the circular scale adjusting hole 103 in an interference fit manner.
Preferably, in order to seal and protect the bearing 9, a bearing cover 8 is arranged on the right end face of the scale housing 1, a bearing embedded groove 802 is arranged on the bearing cover 8, the right side of the bearing 9 is embedded in the bearing embedded groove 802, and the right side of the adjusting bolt 3 can movably penetrate through the bearing cover 8 and extend out of the adjusting bolt 3.
Preferably, a spring collar 10 is arranged between the outer ring of the bearing 9 and the bottom wall of the bearing embedding groove 802, so that the bearing 9 is pressed against the circular scale adjusting hole 103.
Preferably, in order to facilitate the installation of the scale in certain application scenarios, the bearing cover 8 is provided with a mounting hole 801, and the scale can be installed and fixed through the mounting hole 801.
Alternatively, 4 gland bolts 11 are used, and the bearing gland 8 is fixed to the right end face of the scale housing 1 by the gland bolts 11.
Preferably, for facilitating the rotation of the adjusting bolt 3, an adjusting handle 6 is provided at the end of the adjusting bolt 3 extending out of the bearing cover 8.
Optionally, a connection manner between the adjusting handle 6 and the adjusting bolt 3 may be provided with a handle fixing pin 7, the adjusting handle 6 is provided with a connection portion 601, an adjusting bolt mounting hole is axially provided on the connection portion 601, the right end of the adjusting bolt 3 is embedded in the adjusting bolt mounting hole, a connection portion pin hole 6011 is provided on the connection portion 601, an adjusting bolt pin hole 301 is provided on the adjusting bolt 3, and the handle fixing pin 7 is embedded in the connection portion pin hole 6011 and the adjusting bolt pin hole 301, so that the adjusting handle 6 is fixed on the adjusting bolt 3.
Preferably, for fixing and limiting the scale holder 2, a first locking threaded hole 101 communicated with the scale adjusting hole 103 is formed in the scale housing 1, the first locking threaded hole 101 is connected with a first locking bolt 4 in a threaded manner, and when the first locking bolt 4 is rotated, the bottom of the first locking bolt is pressed on the outer surface of the scale holder 2, so that the scale holder 2 is pressed tightly.
Preferably, in order to fix and limit the scale holder 2 further, a second locking threaded hole 102 communicated with the scale adjusting hole 103 is formed in the scale housing 1 opposite to the first locking threaded hole 101, the second locking threaded hole 102 is connected with a second locking bolt 5 in a threaded manner, when the second locking bolt 5 is rotated, the bottom of the second locking bolt is pressed on the outer surface of the scale holder 2, the scale holder 2 is pressed tightly, and when the first locking bolt 4 and the second locking bolt 5 are simultaneously pressed, the scale holder 2 is fixed and limited in the scale adjusting hole 103, so that the adjusted distance is ensured not to change, and the mounting precision of the sealing piece is improved.
The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.
Claims (10)
1. The air preheater sealing gap adjusting scale is characterized by comprising a scale shell (1); the scale shell (1) is provided with a through scale adjusting hole (103) along the length direction; a scale seat (2) and an adjusting bolt (3) are respectively and slidably arranged in the scale adjusting hole (103); the left side of the scale base (2) extends out of the scale shell (1), the right side of the scale base (2) is in threaded connection with the left side of the adjusting bolt (3), the right side of the adjusting bolt (3) extends out of the scale shell (1), the adjusting bolt (3) is rotated, and under the action of threads, the length of the scale base (2) extending out of the scale shell (1) can be adjusted; the outer surface of the scale base (2) is provided with a scale (201) for marking the extending length of the scale base (2); the scale shell (1) opposite to the graduated scale (201) is provided with a fixed bolt (104).
2. An air preheater sealing gap adjustment scale according to claim 1, characterized in that the scale adjustment hole (103) on the right side of the scale housing (1) is circular; a bearing (9) is sleeved on the adjusting bolt (3); the bearing (9) is installed on the circular graduated scale adjusting hole (103) in an interference fit mode.
3. The air preheater sealing gap adjusting scale according to claim 2, wherein a bearing gland (8) is arranged on the right end face of the scale housing (1); the bearing gland (8) is provided with a bearing embedded groove (802); the right side of the bearing (9) is embedded in the bearing embedded groove (802); the right side of the adjusting bolt (3) can movably penetrate through the bearing gland (8) and extend out of the adjusting bolt (3).
4. A scale for adjusting the sealing gap of an air preheater according to claim 3, wherein a spring collar (10) is arranged between the outer ring of the bearing (9) and the bottom wall of the bearing embedding groove (802).
5. A scale for adjusting the sealing gap of an air preheater according to claim 3, wherein the bearing gland (8) is provided with a mounting hole (801).
6. A scale for adjusting a seal clearance of an air preheater according to claim 3, wherein the bearing gland (8) is fixed on the right end face of the scale housing (1) by a gland bolt (11).
7. An air preheater sealing gap adjustment scale according to claim 3, characterized in that the end of the adjusting bolt (3) extending out of the bearing gland (8) is provided with an adjusting handle (6).
8. An air preheater sealing gap adjustment scale according to claim 7, further comprising a handle fixing pin (7); a connecting part (601) is arranged on the adjusting handle (6); the connecting part (601) is provided with an adjusting bolt mounting hole along the axial direction; the right end of the adjusting bolt (3) is embedded in the adjusting bolt mounting hole; a connecting part pin hole (6011) is formed in the connecting part (601); an adjusting bolt pin hole (301) is formed in the adjusting bolt (3); the handle fixing pin (7) is embedded in the connecting part pin hole (6011) and the adjusting bolt pin hole (301).
9. An air preheater sealing gap adjustment scale according to claim 1, characterized in that the scale housing (1) is provided with a first locking threaded hole (101) which is communicated with the scale adjusting hole (103); the first locking threaded hole (101) is connected with a first locking bolt (4) through threads.
10. An air preheater sealing gap adjustment scale according to claim 9, characterized in that a second locking threaded hole (102) communicated with the scale adjusting hole (103) is formed on the scale housing (1) opposite to the first locking threaded hole (101); and the second locking threaded hole (102) is connected with a second locking bolt (5) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904893.3U CN220689987U (en) | 2023-07-19 | 2023-07-19 | Air preheater sealing gap adjustment scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904893.3U CN220689987U (en) | 2023-07-19 | 2023-07-19 | Air preheater sealing gap adjustment scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689987U true CN220689987U (en) | 2024-03-29 |
Family
ID=90408184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321904893.3U Active CN220689987U (en) | 2023-07-19 | 2023-07-19 | Air preheater sealing gap adjustment scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689987U (en) |
-
2023
- 2023-07-19 CN CN202321904893.3U patent/CN220689987U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100453961C (en) | Inner hole fluted shaft direction dimension measuring implement | |
| CN220689987U (en) | Air preheater sealing gap adjustment scale | |
| CN108375684A (en) | The wind speed measuring device and its wind measurement method of a kind of thermal power plant's coal pulverizer outlet First air fast leveling | |
| CN105277291A (en) | Combustion chamber wall temperature gradient measurement module | |
| JPS59137678A (en) | Thermostat valve | |
| CN116164873B (en) | Temperature compensation method and device for six-dimensional force sensor | |
| CN204255512U (en) | Thermopair hermetically-sealed construction | |
| CA2396899C (en) | Assembling method and processing method using marked information and assembly assembled by said assembling method | |
| CN210164616U (en) | Novel mechanical sealing device for high-temperature water-closing pump | |
| CN208383009U (en) | A kind of measuring tool assembled for detecting rotor gland sealing gear | |
| CN206208228U (en) | Full tenon tooth positioner | |
| CN213497919U (en) | Screw rod structure of numerical control machine tool | |
| CN212470429U (en) | High-temperature assembly tool for gear propeller | |
| CN205639340U (en) | Bearing position structure of internal -combustion engine | |
| CN207907848U (en) | A kind of device for measuring axial clearance | |
| CN218093882U (en) | Heat bearing | |
| CN105782252A (en) | Bearing location mechanism of internal combustion engine | |
| CN208140018U (en) | A kind of dynamic and static ring axial shift measuring instrument of non-contact mechanical seal | |
| CN221198543U (en) | Plug-in type thermal type gas mass flowmeter | |
| CN207923010U (en) | The caliper gauge of quick-replaceable collet | |
| CN221505786U (en) | Suspension constant-position self-compensating sealing device of air preheater | |
| CN208704634U (en) | A kind of verticality detecting tool of radiator shell | |
| JPS5932875Y2 (en) | Support device for heat exchanger heat transfer tubes | |
| CN207395692U (en) | A kind of support construction for being used to move axially axis | |
| CN220030062U (en) | Exhaust end gap adjustment tool of screw compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |