Air bearing, top foil support assembly and assembly method thereof
By designing a support spring with multiple mounting grooves and a multi-turn support unit, the support spring is easily installed, solving the problem of installation difficulty in the prior art and improving the installation efficiency.
Patent Information
- Application Number
- CN202410653227.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2044-05-24
AI Technical Summary
In the prior art, it is difficult to install the support spring onto the mounting part.
A top foil support assembly is designed, including a mounting member and a support spring, with multiple mounting grooves on the mounting member, and the support spring includes a support unit connected in sequence. The support unit can enter the mounting section through the insertion section on the mounting member, and the installation of the support spring is realized by controlling the relative movement of the support spring and the mounting member.
The installation process of support springs is simplified and the installation difficulty is reduced. The installation is completed by simply moving the support spring or mounting part, without the need for spiral torsion.
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Figure CN118274025B_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of air bearings, and in particular relates to an air bearing, a top foil support assembly and an assembly method thereof. Background Art
[0002] Air bearings use the principle that the surrounding gas forms a pressure air film in the wedge-shaped space between the top foil and the rotor to achieve rotary support and lubrication. Air bearings use air as the lubrication medium and have the advantages of simple structure, strong adaptability to conditions and high speed. Therefore, they have been widely used in the fields of precision machinery industry, medical equipment, etc.
[0003] In order to ensure the rigidity of the air bearing, a support spring disposed on the bearing housing is usually used to stably support the top foil. In the related art, the support spring is disposed on the bearing housing through a mounting member, and the support spring is first mounted on the mounting member, and then the mounting member is mounted on the bearing housing, thereby mounting the support spring on the bearing housing. However, the related art has great difficulty in mounting the support spring on the mounting member. Summary of the invention
[0004] The purpose of the embodiments of the present application is to provide an air bearing, a top foil support assembly and an assembly method thereof, which can solve the problem of the difficulty in installing the support spring onto the mounting member in the related art.
[0005] In order to solve the above technical problems, this application is implemented as follows:
[0006] In a first aspect, an embodiment of the present application provides a top foil support assembly, including a mounting member and a support spring, wherein a plurality of mounting grooves are provided on the mounting member, and the plurality of mounting grooves are arranged at intervals along the extension direction of the mounting member, wherein the mounting grooves include a mounting section and an insertion section that are relatively bent and connected, and an end of the insertion section away from the mounting section extends to an edge of the mounting member,
[0007] The support spring is used to support the top foil. The support spring includes a plurality of circles of support units connected in sequence. One circle of support units is installed in each installation section, and the support units can pass through the corresponding insertion section and enter the corresponding installation section.
[0008] In an optional embodiment, there are multiple mounting members, each mounting member is provided with a corresponding support spring, the mounting section has an opening connected to the insertion section and a first inner wall opposite to the opening, and two adjacent mounting members are arranged in opposite directions so that the openings of the mounting sections of the two adjacent mounting members face opposite directions.
[0009] Two adjacent support springs cross and contact each other, and any one of the support springs keeps the adjacent support spring in contact with the first inner wall of the corresponding mounting section.
[0010] In an optional embodiment, the rotation directions of two adjacent support springs are opposite, and each circle of support units of any support spring is in corresponding contact with each circle of support units of an adjacent support spring.
[0011] In an optional embodiment, two ends of the support spring are fixedly connected to two ends of the mounting member respectively.
[0012] In an optional embodiment, the groove width of the installation section is greater than the groove width of the insertion section.
[0013] In an optional embodiment, the portion of the support unit corresponding to the installation segment is completely located within the installation segment.
[0014] In an optional embodiment, the mounting section has an opening connected to the insertion section and a first inner wall opposite to the opening, the first inner wall contacts the corresponding support unit, and the first inner wall extends along an extension direction of the corresponding support unit.
[0015] In a second aspect, an embodiment of the present application provides an air bearing, comprising the above-mentioned top foil support assembly.
[0016] In an optional embodiment, the air bearing further comprises a bearing housing, the bearing housing comprises a housing body and an end cover, the end cover is detachably arranged at one end of the housing body, the number of mounting members is multiple, each mounting member is correspondingly provided with a supporting spring, and the multiple mounting members are all arranged in the housing body.
[0017] The mounting section has an opening connected to the insertion section, and two adjacent mounting members are arranged in opposite directions so that the openings of the mounting sections of the two adjacent mounting members face opposite directions, and the mounting section has a first inner wall opposite to the opening.
[0018] Two adjacent support springs cross each other, and the end cover can press at least part of the mounting member so that any two adjacent support springs abut against each other, and any one support spring keeps the adjacent support spring in abutment with the first inner wall of the corresponding mounting section.
[0019] In a third aspect, an embodiment of the present application provides a method for assembling a top foil support assembly, which is used to assemble the top foil support assembly, comprising:
[0020] Get the mounting hardware and support springs;
[0021] Controlling one of the support spring and the mounting member to move toward the other, so that the support unit of the support spring passes through the corresponding insertion section;
[0022] One of the supporting spring and the mounting member is controlled to move along the extending direction of the mounting member, so that the supporting unit contacts the inner wall of the corresponding insertion section.
[0023] The beneficial technical effects of this application are as follows:
[0024] In the embodiment of the present application, the mounting member is provided with a plurality of mounting grooves spaced along its own extension direction, and the mounting groove includes a mounting section and an insertion section that are relatively bent and connected, and the end of the insertion section away from the mounting section extends to the edge of the mounting member, that is, the end of the insertion section away from the mounting section passes through the mounting member, and when installing the support spring, one of the support spring and the mounting member can be controlled to move in a direction close to the other, so that the support unit of the support spring passes through the corresponding insertion section, and the position of the support spring corresponds to the opening of the mounting section, and then one of the support spring and the mounting member is controlled to move along the extension direction of the mounting member, so that the support unit contacts the inner wall of the corresponding insertion section, and the installation of the support spring can be completed. It can be seen that after adopting the structure of the embodiment of the present application, the installation of the support spring can be completed by moving the support spring or the mounting member, and there is no need to install the support spring by spiral twisting, which can reduce the difficulty of installing the support spring on the mounting member. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A schematic diagram of the structure of an air bearing disclosed in an embodiment of the present application;
[0026] Figure 2 A partial structural schematic diagram of an air bearing disclosed in an embodiment of the present application;
[0027] Figure 3 It is a schematic structural diagram of a top foil support assembly disclosed in an embodiment of the present application;
[0028] Figure 4 This is a schematic diagram of the structure of the mounting member disclosed in the embodiment of the present application;
[0029] Figure 5 For this application Figure 4 The enlarged schematic diagram of point A in the middle;
[0030] Figure 6 It is a schematic structural diagram of a top foil support assembly disclosed in another embodiment of the present application;
[0031] Figure 7 A schematic diagram of the assembly process of the top foil support assembly disclosed in an embodiment of the present application;
[0032] Figure 8 This is a schematic diagram of the assembly when the top foil support assembly disclosed in the embodiment of the present application is assembled to the bearing housing, and the end cover is not connected to the housing body.
[0033] Description of reference numerals:
[0034] 100, mounting member; 101, first inner wall; 110, mounting groove; 111, mounting section; 112, insertion section; 200, support spring; 210, support unit; 300, top foil; 400, bearing housing; 410, housing body; 420, end cover. DETAILED DESCRIPTION
[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0036] The terms "first", "second", etc. in the specification and claims of 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 interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0037] The air bearing, top foil support assembly and assembly method thereof provided in the embodiments of the present application are described in detail below through specific embodiments and application scenarios in conjunction with the accompanying drawings.
[0038] The inventors have discovered that a plurality of circular holes are provided on the mounting piece in the related art, and the plurality of circular holes are spaced apart along the extension direction of the mounting piece, and the support spring is screwed into each circular hole by spiral twisting, which makes installation difficult.
[0039] like Figures 3 to 8As shown, the embodiment of the present application discloses a top foil support assembly, including a mounting member 100 and a support spring 200. The mounting member 100 is provided with a plurality of mounting grooves 110, and the plurality of mounting grooves 110 are arranged at intervals along the extension direction of the mounting member 100. The mounting groove 110 includes a mounting section 111 and an insertion section 112 that are relatively bent and connected, and the insertion section 112 extends to the edge of the mounting member 100 at one end away from the mounting section 111. Optionally, the angle between the depth direction of the mounting section 111 and the depth direction of the insertion section 112 may be a right angle, an obtuse angle, or an acute angle, which is not limited in the present application. Here, the angle between the depth direction of the mounting section 111 and the depth direction of the insertion section 112 is the bending angle of the mounting groove 110; the support spring 200 may be made of a shape memory alloy, or the support spring 200 may not be made of a shape memory alloy, which is not limited in the present application.
[0040] The support spring 200 is used to support the top foil 300. The support spring 200 includes a plurality of circles of support units 210 connected in sequence. A circle of support units 210 is installed in each mounting section 111, and the support unit 210 can pass through the corresponding insertion section 112 and enter the corresponding mounting section 111. Here, the corresponding insertion section 112 refers to the insertion section 112 connected to the mounting section 111 where the support unit 210 is located. Specifically, a circle extending from the end of the support spring 200 along the extension direction of the support spring 200 is the first circle of support units 210, and a circle extending from the end of the first circle of support units 210 along the extension direction of the support spring 200 is the second circle of support units 210. By analogy, the support spring 200 of the embodiment of the present application has a plurality of circles of support units 210. Optionally, the number of circles of the support unit 210 can be the same as the number of the mounting slots 110, in which case each support unit 210 is installed in each mounting slot 110; or, the number of circles of the support unit 210 can be more than the number of the mounting slots 110, in which case some support units 210 are not installed in the mounting slots 110.
[0041] In the embodiment of the present application, the mounting member 100 is provided with a plurality of mounting grooves 110 spaced apart along its own extension direction, the mounting groove 110 includes a mounting section 111 and an insertion section 112 that are relatively bent and connected, the insertion section 112 extending to the edge of the mounting member 100 at one end away from the mounting section 111, that is, the insertion section 112 passes through the mounting member 100 at one end away from the mounting section 111, when installing the support spring 200, one of the support spring 200 and the mounting member 100 can be controlled to move toward the direction approaching the other, so that the support unit 210 of the support spring 200 passes through the corresponding insertion section 112, at this time, the position of the support spring 200 corresponds to the opening of the mounting section 111, and then one of the support spring 200 and the mounting member 100 is controlled to move along the extension direction of the mounting member 100, so that the support unit 210 contacts the inner wall of the corresponding insertion section 112, and the installation of the support spring 200 is completed. It can be seen that after adopting the structure of the embodiment of the present application, the installation of the support spring 200 can be completed by only moving the support spring 200 or the mounting member 100, without the need to install the support spring 200 by spiral twisting, which can reduce the difficulty of installing the support spring 200 on the mounting member 100.
[0042] In an alternative embodiment, see Figure 6 There are multiple mounting members 100, each mounting member 100 is provided with a corresponding support spring 200, the mounting section 111 has an opening connected to the insertion section 112 and a first inner wall 101 opposite to the opening, and two adjacent mounting members 100 are arranged in opposite directions so that the openings of the mounting sections 111 of the two adjacent mounting members 100 face opposite directions. Figure 6 Taking the perspective shown as an example, the openings of the mounting sections 111 of two adjacent mounting members 100 are oriented in opposite directions, which means that, of the two adjacent mounting members 100, the opening of the mounting section 111 of one mounting member 100 faces upward, and the opening of the mounting section 111 of the other mounting member 100 faces downward.
[0043] Two adjacent support springs 200 cross and contact each other, and any one support spring 200 keeps the adjacent support spring 200 in contact with the first inner wall 101 of the corresponding mounting section 111 , thereby preventing the support spring 200 from jumping along the extension direction of the mounting section 111 .
[0044] In this embodiment, the support unit 210 of the support spring 200 contacts the first inner wall 101 of the corresponding mounting groove 110, so the support spring 200 cooperates with the mounting member 100 in the first direction, where the first direction is the direction extending from the support unit 210 to the corresponding first inner wall 101, and the first direction is parallel to the extension direction of the mounting member 100; and the two adjacent support springs 200 of this embodiment intersect, that is, in the extension direction of the mounting member 100, the two adjacent support units 210 overlap, and in the two adjacent support springs 200, part of the support unit 210 of one of the support springs 200 extends into To between two adjacent circles of support units 210 of another support spring 200, and contact with the support unit 210 of another support spring 200, and because the two adjacent mounting members 100 are arranged in opposite directions, the support unit 210 of another support spring 200 cooperates with the mounting member 100 in the upper limit position in the opposite direction of the first direction, and the two adjacent support springs 200 also cooperate in the upper limit position in the opposite direction of the first direction, so as to achieve the purpose of "any one support spring 200 makes the adjacent support spring 200 keep in contact with the first inner wall 101 of the corresponding mounting section 111", thereby preventing the support spring 200 from jumping along the extension direction of the mounting section 111. It can be seen that this embodiment uses the mounting member 100 with the support spring 200 installed and the adjacent support spring 200 to limit the support spring 200, and prevents the support spring 200 from jumping along the extension direction of the mounting member 100, without adding other limiting structures, which can simplify the structure of the top foil support assembly.
[0045] For example, Figure 6 The leftmost mounting member 100 and support spring 200 are taken as an example for explanation. The leftmost support spring 200 is hung in the mounting groove 110 of the mounting member 100. The leftmost support spring 200 cooperates with the mounting member 100 in the upper limit position in the vertical downward direction, and the support spring 200 located on the right side of the support spring 200 cooperates with the corresponding mounting member 100 in the upper limit position in the vertical upward direction. Therefore, the leftmost support spring 200 cooperates with the support spring 200 located on its right side in the upper limit position in the vertical upward direction, so that the leftmost support spring 200 can be prevented from jumping along the extension direction of the mounting section 111.
[0046] In an alternative embodiment, see Figure 6, the rotation directions of two adjacent support springs 200 are opposite, and each circle support unit 210 of any support spring 200 is in corresponding contact with each circle support unit 210 of the adjacent support spring 200. In this embodiment, the rotation directions of two adjacent support springs 200 are opposite, which can increase the contact area between the two adjacent support springs 200, thereby improving the limiting stability between the two adjacent support springs 200, so as to further prevent the support spring 200 from jumping along the axial direction of the mounting member 100. Of course, the rotation directions of two adjacent support springs 200 can also be the same, and this application is not limited to this.
[0047] Generally speaking, the support spring 200 is made of a shape memory alloy, so that after the support spring 200 is energized, the support spring 200 will stretch along its own extension direction, so that the support spring 200 expands and deforms in the radial direction, so as to improve the support strength of the support spring 200 on the top foil 300. In order to make the support spring 200 expand and deform better in the radial direction, in an optional embodiment, the two ends of the support spring 200 are respectively fixedly connected to the two ends of the mounting member 100. In this embodiment, the two ends of the support spring 200 are respectively fixedly connected to the two ends of the mounting member 100, and when the support spring 200 stretches along its own extension direction, the two ends of the support spring 200 can be prevented from jumping along the extension direction of the support spring 200, that is, the support spring 200 is prevented from stretching in the axial direction, so that the support spring 200 can be better expanded and deformed in the radial direction.
[0048] Since the size of the support spring 200 changes when the support spring 200 expands and deforms in the radial direction, in order to enable the mounting section 111 to adapt to the size change of the support spring 200 in the process of radial expansion and deformation, in an optional embodiment, refer to Figures 4 to 5 , the groove width of the installation section 111 is greater than the groove width of the insertion section 112. In this embodiment, the groove width of the installation section 111 is Figure 5 The slot width of the insertion section 112 is d1. Figure 5 In d2, the groove width of the mounting section 111 is greater than the groove width of the insertion section 112, that is, the groove width of the mounting section 111 is larger, and there is a gap between the support unit 210 and the side wall of the mounting section 111 after being installed to the mounting section 111, so that the mounting section 111 can adapt to the dimensional change of the support spring 200 during the radial expansion and deformation process, which not only prevents the support spring 200 from being damaged, but also enables the support spring 200 to expand and deform radially into a preset shape.
[0049] In an alternative embodiment, see Figure 3, the portion of the support unit 210 corresponding to the mounting section 111 is completely located in the mounting section 111, that is, the groove depth of the mounting section 111 is relatively large, and the portion of the support unit 210 installed in the mounting section 111 does not protrude from the mounting section 111, which can increase the contact area between the support unit 210 and the inner wall of the mounting section 111, thereby increasing the limiting area of the inner wall of the mounting section 111 on the support unit 210, preventing the support spring 200 from escaping from the mounting section 111 during radial deformation, so that the support spring 200 is stably installed in the mounting section 111 to stably support the top foil 300. Of course, the portion of the support unit 210 installed in the mounting section 111 may also protrude from the mounting section 111, and this is not limited in the present application.
[0050] In an optional embodiment, the mounting section 111 has an opening connected to the insertion section 112 and a first inner wall 101 opposite to the opening, the first inner wall 101 is in contact with the corresponding support unit 210, and the first inner wall 101 extends along the extension direction of the corresponding support unit 210, and the support unit 210 corresponding to the first inner wall 101 is: the support unit 210 in contact with the first inner wall 101. In this embodiment, the first inner wall 101 extends along the extension direction of the corresponding support unit 210, that is, the first inner wall 101 extends along the spiral direction, and the rotation direction of the first inner wall 101 is the same as the rotation direction of the corresponding support unit 210, which can make the contact between the first inner wall 101 and the corresponding support unit 210 a line contact, so as to eliminate the gap between the first inner wall 101 and the corresponding support unit 210 when there is a point contact between the two, which can make the first inner wall 101 and the corresponding support unit 210 in better contact, thereby improving the limiting stability between the first inner wall 101 and the corresponding support unit 210, so as to further prevent the support spring 200 from jumping along the extension direction of the mounting member 100.
[0051] For further examples, see Figure 5 The longitudinal length of the mounting member 100 is greater than the groove width of the mounting section 111. Here, the longitudinal length of the mounting member 100 is d3, which allows the first inner wall 101 to have a larger extension length in the extension direction of the corresponding support unit 210, so as to increase the contact area between the first inner wall 101 and the corresponding support unit 210, and further improve the limiting stability between the first inner wall 101 and the corresponding support unit 210, so as to further prevent the support spring 200 from jumping along the extension direction of the mounting member 100.
[0052] like Figure 1 to Figure 2As shown, the embodiment of the present application also discloses an air bearing, including the top foil support assembly described in any of the above embodiments. After adopting the structure of the embodiment of the present application, the support spring 200 can be installed by only moving the support spring 200 or the mounting member 100, without the need to install the support spring 200 by spiral twisting, which can reduce the difficulty of installing the support spring 200 on the mounting member 100.
[0053] In an optional embodiment, the air bearing further comprises a bearing housing 400, the bearing housing 400 comprises a shell body 410 and an end cover 420, the end cover 420 is detachably arranged at one end of the shell body 410, the number of mounting members 100 is multiple, each mounting member 100 is correspondingly provided with a support spring 200, and the multiple mounting members 100 are all arranged in the shell body 410, for example, the multiple mounting members 100 can be distributed along the circumferential direction of the shell body 410. Optionally, the end cover 420 and the shell body 410 can be detachably connected by threaded connection, screw connection, clamping, etc.; the number of the end cover 420 can be one or two, when the number of the end cover 420 is one, the shell body 410 is a cylindrical member with one end closed and the other end open, when the number of the end cover 420 is two, the shell body 410 is a cylindrical member with both ends open, and the end cover 420 is respectively connected to both ends of the shell body 410.
[0054] The mounting section 111 has an opening connected to the insertion section 112. Two adjacent mounting members 100 are arranged in opposite directions so that the openings of the mounting sections 111 of the two adjacent mounting members 100 face in opposite directions. The mounting section 111 has a first inner wall 101 opposite to the opening. Figure 6 Taking the perspective shown as an example, the openings of the mounting sections 111 of two adjacent mounting members 100 are oriented in opposite directions, which means that, of the two adjacent mounting members 100, the opening of the mounting section 111 of one mounting member 100 faces upward, and the opening of the mounting section 111 of the other mounting member 100 faces downward.
[0055] Two adjacent support springs 200 intersect, and the end cover 420 can press at least part of the mounting member 100 to make any two adjacent support springs 200 abut against each other, and any one support spring 200 keeps the adjacent support spring 200 abutting against the first inner wall 101 of the corresponding mounting section 111 .
[0056] The specific installation process is as follows, please refer to Figure 8, first assemble each support spring 200 onto each mounting piece 100, then assemble each mounting piece 100 into the shell body 410, and set two adjacent mounting pieces 100 in opposite directions, so that two adjacent support springs 200 cross and contact each other, and any one support spring 200 can make the adjacent support spring 200 keep in contact with the first inner wall 101 of the corresponding mounting section 111, at this time, the height of some mounting pieces 100 is higher than the height of another part of the mounting pieces 100, and when the end cover 420 is installed to one end of the shell body 410, the end cover 420 will contact the mounting piece 100, so when the end cover 420 is installed to one end of the shell body 410, it will squeeze the mounting piece 100 with the highest height, so that this part of the mounting piece 100 and the corresponding support spring 200 move downward, and the support spring When moving downward, 200 will squeeze the adjacent support springs 200, so that the purpose of abutting the two adjacent support springs 200 can be achieved, and the abutment of the two adjacent support springs 200 can generate elastic abutting pressure between the two adjacent support springs 200. Therefore, any one of the support springs 200 can make the adjacent support springs 200 keep abutting against the first inner wall 101 of the corresponding mounting section 111. That is to say, after the support spring 200 contacts the first inner wall 101 of the mounting section 111, the support spring 200 moves a distance along the extension direction of the mounting member 100, so that a abutting pressure extending along the extension direction of the mounting member 100 is generated between the two adjacent support springs 200, which can further prevent the support spring 200 from jumping along the extension direction of the mounting member 100.
[0057] Furthermore, the shell body 410 is provided with a plurality of grooves, each groove extending along the axial direction of the shell body 410 , and each mounting member 100 is respectively disposed in each groove.
[0058] The embodiment of the present application further discloses a method for assembling a top foil support assembly, which is used to assemble the top foil support assembly described in any of the above embodiments, comprising:
[0059] S100 , obtaining the mounting member 100 and the supporting spring 200 .
[0060] S200, controlling one of the support spring 200 and the mounting member 100 to move toward the other, so that the support unit 210 of the support spring 200 passes through the corresponding insertion section 112. Specifically, when the support unit 210 of the support spring 200 passes through the corresponding insertion section 112, the position of the support spring 200 corresponds to the opening of the mounting section 111.
[0061] S300, controlling one of the support spring 200 and the mounting member 100 to move along the extension direction of the mounting member 100, so that the support unit 210 contacts the inner wall of the corresponding insertion section 112, thereby completing the installation of the support spring 200.
[0062] It can be seen that the embodiment of the present application only needs to move the support spring 200 or the mounting member 100 to complete the installation of the support spring 200, without the need to install the support spring 200 by spiral twisting, which can reduce the difficulty of installing the support spring 200 on the mounting member 100.
[0063] The above embodiments of the present application focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here. The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present application, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present application and the claims, all of which are within the protection of the present application.
Claims
1. A top foil support assembly, characterized in that: The invention comprises a mounting member (100) and a support spring (200); the mounting member (100) is provided with a plurality of mounting grooves (110); the plurality of mounting grooves (110) are arranged at intervals along the extension direction of the mounting member (100); the mounting groove (110) comprises a mounting section (111) and an insertion section (112) which are bent relative to each other and are connected; an end of the insertion section (112) away from the mounting section (111) extends to the edge of the mounting member (100); the support spring (200) is used to support a top foil (300); the support spring (200) comprises a plurality of circles of support units (210) connected in sequence; each mounting section (111) is provided with a circle of the support units (210), and the support units (210) can pass through the corresponding insertion section (112) and enter the corresponding mounting section (111); the groove width of the insertion section (112) is greater than the diameter of the support unit (210).
2. The top foil support assembly according to claim 1, characterized in that There are a plurality of mounting members (100), each mounting member (100) being provided with a corresponding support spring (200), the mounting section (111) having an opening connected to the insertion section (112) and a first inner wall (101) opposite to the opening, two adjacent mounting members (100) being arranged in opposite directions so that the openings of the mounting sections (111) of the two adjacent mounting members (100) are oriented in opposite directions, two adjacent support springs (200) are crossed and in contact with each other, and any one of the support springs (200) enables the adjacent support spring (200) to maintain contact with the first inner wall (101) of the corresponding mounting section (111).
3. The top foil support assembly according to claim 2, characterized in that The rotation directions of two adjacent support springs (200) are opposite, and each circle of the support unit (210) of any one of the support springs (200) is in corresponding contact with each circle of the support unit (210) of the adjacent support spring (200).
4. The top foil support assembly according to claim 1, characterized in that Two ends of the support spring (200) are respectively fixedly connected to two ends of the mounting member (100).
5. The top foil support assembly according to claim 1, characterized in that The groove width of the installation section (111) is greater than the groove width of the insertion section (112).
6. The top foil support assembly according to claim 1, characterized in that The portion of the support unit (210) corresponding to the installation section (111) is completely located within the installation section (111).
7. The top foil support assembly according to claim 1, characterized in that The mounting section (111) has an opening connected to the insertion section (112) and a first inner wall (101) opposite to the opening, the first inner wall (101) being in contact with the corresponding support unit (210), and the first inner wall (101) extending along an extension direction of the corresponding support unit (210).
8. An air bearing, characterized in that: Comprising a top foil support assembly as claimed in any one of claims 1 to 7.
9. The air bearing according to claim 8, characterized in that The air bearing further comprises a bearing housing (400), the bearing housing (400) comprising a housing body (410) and an end cover (420), the end cover (420) being detachably arranged at one end of the housing body (410), the number of the mounting members (100) being multiple, each mounting member (100) correspondingly being provided with one supporting spring (200), and the multiple mounting members (100) being arranged in the housing body (410), The mounting section (111) has an opening connected to the insertion section (112); two adjacent mounting members (100) are arranged in opposite directions so that the openings of the mounting sections (111) of the two adjacent mounting members (100) face in opposite directions; and the mounting section (111) has a first inner wall (101) opposite to the opening. Two adjacent support springs (200) intersect, and the end cover (420) is capable of pressing against at least a portion of the mounting member (100) so that any two adjacent support springs (200) abut against each other, and any one of the support springs (200) keeps the adjacent support spring (200) in abutment with the first inner wall (101) of the corresponding mounting section (111).
10. A method for assembling a top foil support assembly, characterized in that: Used to assemble a top foil support assembly as claimed in any one of claims 1 to 7, comprising: Obtaining the mounting member (100) and the supporting spring (200); Controlling one of the support spring (200) and the mounting member (100) to move in a direction close to the other, so that the support unit (210) of the support spring (200) passes through the corresponding insertion section (112); One of the support spring (200) and the mounting member (100) is controlled to move along the extension direction of the mounting member (100), so that the support unit (210) is in contact with the inner wall of the corresponding insertion section (112).
Citation Information
Patent Citations
Active variable-stiffness air bearing based on SMA springs
CN110686007A