CN118030997A - Thermal expansion displacement compensation structure - Google Patents

Thermal expansion displacement compensation structure Download PDF

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Publication number
CN118030997A
CN118030997A CN202410258247.7A CN202410258247A CN118030997A CN 118030997 A CN118030997 A CN 118030997A CN 202410258247 A CN202410258247 A CN 202410258247A CN 118030997 A CN118030997 A CN 118030997A
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CN
China
Prior art keywords
movable piece
movable
piece
thermal expansion
moving part
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.)
Pending
Application number
CN202410258247.7A
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Chinese (zh)
Inventor
张春丽
张岩
周铁桩
窦岩
刘之新
李德涛
谢晓玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianhua Institute of Chemical Machinery and Automation Co Ltd
Tianhua Institute Nanjing Intelligent Manufacturing Co ltd
Original Assignee
Tianhua Institute of Chemical Machinery and Automation Co Ltd
Tianhua Institute Nanjing Intelligent Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianhua Institute of Chemical Machinery and Automation Co Ltd, Tianhua Institute Nanjing Intelligent Manufacturing Co ltd filed Critical Tianhua Institute of Chemical Machinery and Automation Co Ltd
Priority to CN202410258247.7A priority Critical patent/CN118030997A/en
Publication of CN118030997A publication Critical patent/CN118030997A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a thermal expansion displacement compensation structure, which comprises a moving part, a moving part and a fixed part, wherein the connecting end of the moving part is inserted into one end of the moving part, the other end of the moving part is inserted into the fixed part, the moving part is used for being connected with upstream equipment or a pipeline, and a stuffing box structure is arranged on the connecting end of the moving part; the fixing piece is used for being connected with downstream fixed equipment or pipelines, and a stuffing box structure is arranged at the connecting end of the fixing piece. The invention can solve the problem of transverse thermal expansion between upstream and downstream devices under most working conditions, and has more prominent advantages especially for the situation of overlarge thermal expansion. The invention is not limited by special materials or special metal materials in processing and forming, is easy to manufacture, is easy to operate and realize, has stable and reliable structure, long service life and long replacement period, can reduce the use cost of users, saves replacement time, enhances production continuity, increases economic benefit, and has simple structure, easy operation, low design and manufacture cost and low investment cost.

Description

Thermal expansion displacement compensation structure
Technical Field
The invention discloses a displacement compensation structure, in particular to a thermal expansion displacement compensation structure, which belongs to the technical fields of chemical equipment and sealing equipment and the like, wherein the technical field is similar to the technical field that the thermal expansion is large and needs to be compensated.
Background
The high-temperature drying and roasting equipment is equipment for drying, roasting or calcining materials under high-temperature conditions, is widely applied to the industrial fields of metallurgy, ceramics, building materials, chemical industry and the like, and the working principle and application of the equipment can be different according to specific industries and process requirements.
At present, in high-temperature drying roasting equipment and the like, after the equipment is put into production normally, the thermal expansion amount is higher, so that the displacement movement at the outlet of the product is very large, the displacement is compensated by using a conventional metal hose or expansion joint, the damaged period is too short, and the equipment needs to be replaced frequently, so that the economic loss is too large, and meanwhile, the potential safety hazard is very large. In addition, aiming at the high-temperature working condition or the working condition that special materials require special metal materials, the special metal materials do not belong to the conventionally used metal flexible connection, and the applicable metal flexible connection cannot be manufactured by processing, or the processing cost is too high, so that the method is very unfavorable for users and production.
Disclosure of Invention
Aiming at the problem that the high-temperature drying and roasting equipment in the prior art is high in thermal expansion, the invention provides a thermal expansion displacement compensation structure, which solves the problems of large thermal expansion displacement of upstream equipment, connection with downstream fixed equipment and displacement compensation by adopting a mode of matching a moving part, a moving part and a fixed part.
The technical scheme adopted for solving the technical problems is as follows: the thermal expansion displacement compensation structure comprises a moving part, a moving part and a fixed part, wherein the connecting end of the moving part is inserted into one end of the moving part, the other end of the moving part is inserted into the fixed part, the moving part is used for being connected with upstream equipment or a pipeline, and a stuffing box structure is arranged on the connecting end of the moving part; the fixing piece is used for being connected with downstream fixed equipment or pipelines, and a stuffing box structure is arranged at the connecting end of the fixing piece.
The technical scheme adopted by the invention for solving the technical problems further comprises the following steps:
the movable piece is connected with the movable piece through a packing in a sealing way, the outer diameter of the movable piece is matched with the inner diameter of the movable piece, and the connecting end of the movable piece stretches into the movable piece for a certain distance.
The fixed end of the moving part and the connecting end form an obtuse angle.
The fixed piece is connected with the movable piece through packing in a sealing way, the outer diameter of the movable piece is matched with the inner diameter of the fixed piece, and the end head of the movable piece extends into the fixed piece for a certain distance.
The fixed end of the fixed piece is provided with a connecting flange.
The fixing piece include mounting urceolus and mounting inserts, the mounting inserts in the mounting urceolus, pass through bolted connection between mounting urceolus and the mounting inserts, the external diameter of moving part is identical with the internal diameter of mounting inserts, the inboard end of mounting inserts is provided with the mounting sealing washer, the mounting sealing washer sets up between moving part and mounting urceolus.
The movable piece include movable piece urceolus, movable piece inner tube and movable piece inserts, movable piece inner tube one end cartridge is in the movable piece urceolus, movable piece inner tube other end cartridge is in the mounting, movable piece inserts suit is on the movable piece urceolus, movable piece inserts setting is in the junction of movable piece urceolus and movable piece inner tube, through bolted connection between movable piece inserts and the movable piece urceolus.
The inner side end of the movable piece inner insert is provided with a movable piece sealing ring, and the movable piece sealing ring is arranged between the movable piece inner insert and the movable piece outer cylinder.
The movable part inner cylinder is fixedly provided with a bolt connecting arm, and the bolt connecting arm on the movable part inner cylinder is connected with the movable part outer cylinder through a bolt.
The movable part inner cylinder is an obtuse angle, and the setting angle of the movable part inner cylinder is the same as or different from the angle of the movable part.
The beneficial effects of the invention are as follows: the invention can solve the problem of transverse thermal expansion between upstream and downstream devices under most working conditions, and has more prominent advantages especially for the situation of overlarge thermal expansion. The invention is not limited by special materials or special metal materials in processing and forming, is easy to manufacture, is easy to operate and realize, has stable and reliable structure, long service life and long replacement period, can reduce the use cost of users, saves replacement time, enhances production continuity, increases economic benefit, and has simple structure, easy operation, low design and manufacture cost and low investment cost.
The invention will be further described with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a moving member according to the present invention.
FIG. 3 is a schematic view of a movable member according to the present invention.
Fig. 4 is a schematic structural view of a fixing member in the present invention.
Fig. 5 is a schematic view of the structure of the a-direction shown in fig. 3 in the present invention.
Fig. 6 is a schematic diagram of a partial enlarged structure of I in fig. 1 according to the present invention.
Fig. 7 is a schematic view of a partial enlarged structure II in fig. 1 according to the present invention.
In the figure, a 1-moving part, a 2-moving part, a 21-moving part outer cylinder, a 22-moving part inner cylinder, a 23-moving part inner insert, a 24-moving part sealing ring, a 25-bolt connecting arm, a 3-bolt, a 4-fixed part, a 41-fixed part outer cylinder, a 42-fixed part inner insert and a 43-fixed part sealing ring.
Detailed Description
This example is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of this example, and all fall within the scope of the present invention.
Referring to fig. 1 to 7 in combination, the present invention mainly includes a moving member 1, a moving member 2 and a fixed member 4, wherein a connecting end of the moving member 1 is inserted into one end of the moving member 2, and the other end of the moving member 2 is inserted into the fixed member 4,
The movable member 1 is used for connecting with an upstream device or pipeline, and in this embodiment, one end of the movable member 1, which is used for connecting with the upstream device or pipeline, is defined as a fixed end, and the other end is inserted into the movable member 2, which is defined as a connecting end. The connecting end of the moving part 1 is provided with a stuffing box structure, the moving part 1 is connected with the moving part 2 through stuffing in a sealing manner, the sealing between the moving part 1 and the moving part 2 is ensured to be reliable and free from leakage in the moving process, namely, the outer diameter of the moving part 1 is matched with the inner diameter of the moving part 2, the sealing is ensured to be reliable and free from leakage, meanwhile, the connecting end of the moving part 1 extends into the moving part 2 for a certain distance, and when thermal expansion displacement compensation occurs, the moving part 1 and the moving part are ensured not to be separated from each other.
In this embodiment, the stationary end of the moving member 1 is provided with a connection flange, through which it can be connected to upstream equipment or piping. In this embodiment, the fixed end of the moving member 1 forms an angle with the connecting end, preferably an obtuse angle.
The fixing member 4 is used for connecting with a downstream fixed device or pipe, and in this embodiment, one end of the fixing member 4 used for connecting with a downstream fixed device or pipe is defined as a fixed end, and the other end is defined as a plugging end. The connecting end of the fixed part 4 is provided with a stuffing box structure, the fixed part 4 is connected with the movable part 2 through stuffing in a sealing manner, so that the sealing between the fixed part 4 and the movable part 2 is ensured to be reliable and free from leakage in the moving process, namely, the outer diameter of the movable part 2 is matched with the inner diameter of the fixed part 4, the sealing is ensured to be reliable and free from leakage, and meanwhile, the end head of the movable part 2 extends into the fixed part 4 for a certain distance, and when thermal expansion displacement compensation occurs, the movable part 2 and the movable part are ensured not to be separated from each other.
In this embodiment, the fixing part 4 is provided with a connecting flange on its fixing end, through which it can be connected to downstream equipment or pipes. In this embodiment, the fixing member 4 includes a fixing member outer cylinder 41 and a fixing member inner insert 42, the fixing member inner insert 42 is inserted into the fixing member outer cylinder 41, the fixing member outer cylinder 41 and the fixing member inner insert 42 are connected by a bolt 3, the bolt 3 is a very loose connection mode for the two, and it is necessary to ensure that the bolt 3 has sufficient movable space and movement amount when the displacement and movement machine compensation is performed by the structure, and cannot be screwed. The external diameter of the movable piece 2 is matched with the internal diameter of the fixed piece embedded piece 42, a fixed piece sealing ring 43 is arranged at the inner side end of the fixed piece embedded piece 42, and the fixed piece sealing ring 43 is arranged between the movable piece 2 and the fixed piece outer cylinder 41.
In the embodiment, the connecting flange is fixed with the end of the outer cylinder 41 of the fixing member by adopting a welding mode.
The movable part 2 is connected with the movable part 1 and the fixed part 4 through a packing gland.
In this embodiment, the movable member 2 includes a movable member outer cylinder 21, a movable member inner cylinder 22 and a movable member inner insert 23, one end of the movable member inner cylinder 22 is inserted into the movable member outer cylinder 21, the other end of the movable member inner cylinder 22 is inserted into the fixed member 4, the movable member inner insert 23 is sleeved on the movable member outer cylinder 21, the movable member inner insert 23 is disposed at the joint of the movable member outer cylinder 21 and the movable member inner cylinder 22, the movable member inner insert 23 is connected with the movable member outer cylinder 21 through a bolt 3, the bolt 3 is a very loose connection mode for the two, and it must be ensured that the bolt 3 has sufficient movable space and movement amount when the structure compensates the displacement machine, and cannot be screwed. The inner side end of the movable piece inner insert 23 is provided with a movable piece sealing ring 24, and the movable piece sealing ring 24 is arranged between the movable piece inner insert 23 and the movable piece outer cylinder 21.
In this embodiment, the movable member inner cylinder 22 is fixedly provided with the bolt connecting arms 25, the bolt connecting arms 25 are arranged in four, the four bolt connecting arms are uniformly distributed on the circumference outside the movable member inner cylinder 22, other numbers or other setting modes can be adopted in specific implementation, the bolt connecting arms 25 on the movable member inner cylinder 22 are connected with the movable member outer cylinder 21 through the bolts 3, the bolts 3 are a very loose connection mode for the two, and it is necessary to ensure that the bolts 3 have sufficient movable space and movement amount when the structure compensates the displacement shifter, and the screwing connection cannot be realized.
In this embodiment, the movable member inner cylinder 22 is disposed at a certain angle, preferably an obtuse angle, and the angle of the movable member inner cylinder 22 may be the same as or different from the angle of the movable member 1.
When the invention is used, after the upstream equipment or a pipeline is thermally expanded, the movable part 1 is displaced in the same way, the movable part 2 is connected with the movable part 1 through the packing seal, when the movable part 1 is thermally expanded, the movable part 2 is correspondingly moved in the expansion direction and downwards along with the movable part, and the bidirectional movement is regulated, so that the displacement compensation of the movable part 1 is finally realized, the movable part 2 is ensured to be always in the fixed part 4, the fixed part 4 is fixed, one end of the structure is moved, the other end of the structure is fixed, and the middle part is automatically regulated along with the movable part to realize the structure displacement compensation function.
The bolt 3 connects the movable part 2 and the movable part 1, is a very loose connection, has the effect and the function similar to that of connecting the two parts by iron wires, and only ensures that the movable part 2 cannot fall down and is slowly carried out to play a safety role when carrying out bidirectional displacement compensation along with the thermal expansion movement of the movable part 1.
The invention can solve the problem of transverse thermal expansion between upstream and downstream devices under most working conditions, and has more prominent advantages especially for the situation of overlarge thermal expansion. The invention is not limited by special materials or special metal materials in processing and forming, is easy to manufacture, is easy to operate and realize, has stable and reliable structure, long service life and long replacement period, can reduce the use cost of users, saves replacement time, enhances production continuity, increases economic benefit, and has simple structure, easy operation, low design and manufacture cost and low investment cost.

Claims (10)

1. A thermal expansion displacement compensation structure, characterized by: the displacement compensation structure comprises a moving part (1), a moving part (2) and a fixed part (4), wherein the connecting end of the moving part (1) is inserted into one end of the moving part (2), the other end of the moving part (2) is inserted into the fixed part (4),
The movable piece (1) is used for being connected with upstream equipment or a pipeline, and a stuffing box structure is arranged at the connecting end of the movable piece (1);
the fixing piece (4) is used for being connected with downstream fixed equipment or pipelines, and a stuffing box structure is arranged at the connecting end of the fixing piece (4).
2. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the movable piece (1) is connected with the movable piece (2) through a packing in a sealing way, the outer diameter of the movable piece (1) is matched with the inner diameter of the movable piece (2), and the connecting end of the movable piece (1) stretches into the movable piece (2) for a certain distance.
3. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the fixed end of the moving part (1) and the connecting end form an obtuse angle.
4. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the fixed piece (4) is connected with the movable piece (2) through a packing in a sealing way, the outer diameter of the movable piece (2) is matched with the inner diameter of the fixed piece (4), and the end head of the movable piece (2) extends into the fixed piece (4) for a certain distance.
5. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the fixed end of the fixed piece (4) is provided with a connecting flange.
6. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the fixing piece (4) comprises a fixing piece outer cylinder (41) and a fixing piece inner insert (42), the fixing piece inner insert (42) is inserted into the fixing piece outer cylinder (41), the fixing piece outer cylinder (41) is connected with the fixing piece inner insert (42) through a bolt (3), the outer diameter of the movable piece (2) is identical with the inner diameter of the fixing piece inner insert (42), a fixing piece sealing ring (43) is arranged at the inner side end of the fixing piece inner insert (42), and the fixing piece sealing ring (43) is arranged between the movable piece (2) and the fixing piece outer cylinder (41).
7. The thermal expansion displacement compensation structure according to claim 1, characterized in that: the movable piece (2) comprises a movable piece outer cylinder (21), a movable piece inner cylinder (22) and a movable piece inner cylinder (23), one end of the movable piece inner cylinder (22) is inserted into the movable piece outer cylinder (21), the other end of the movable piece inner cylinder (22) is inserted into the fixed piece (4), the movable piece inner cylinder (23) is sleeved on the movable piece outer cylinder (21), the movable piece inner cylinder (23) is arranged at the joint of the movable piece outer cylinder (21) and the movable piece inner cylinder (22), and the movable piece inner cylinder (23) is connected with the movable piece outer cylinder (21) through bolts (3).
8. The thermal expansion displacement compensation structure according to claim 7, characterized in that: the inner side end of the movable piece inner insert (23) is provided with a movable piece sealing ring (24), and the movable piece sealing ring (24) is arranged between the movable piece inner insert (23) and the movable piece outer cylinder (21).
9. The thermal expansion displacement compensation structure according to claim 7, characterized in that: the movable part inner cylinder (22) is fixedly provided with a bolt connecting arm (25), and the bolt connecting arm (25) on the movable part inner cylinder (22) is connected with the movable part outer cylinder (21) through a bolt (3).
10. The thermal expansion displacement compensation structure according to claim 7, characterized in that: the movable part inner cylinder (22) is an obtuse angle, and the setting angle of the movable part inner cylinder (22) is the same as or different from the angle of the movable part (1).
CN202410258247.7A 2024-03-07 2024-03-07 Thermal expansion displacement compensation structure Pending CN118030997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410258247.7A CN118030997A (en) 2024-03-07 2024-03-07 Thermal expansion displacement compensation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410258247.7A CN118030997A (en) 2024-03-07 2024-03-07 Thermal expansion displacement compensation structure

Publications (1)

Publication Number Publication Date
CN118030997A true CN118030997A (en) 2024-05-14

Family

ID=90985611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410258247.7A Pending CN118030997A (en) 2024-03-07 2024-03-07 Thermal expansion displacement compensation structure

Country Status (1)

Country Link
CN (1) CN118030997A (en)

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