Air spring mounting and adjusting device for assembly line

By designing the device for fixing seats and adjustment plates, the adjustment of the threaded hole of the buckle ring is achieved by using positioning studs and sleeves, the positioning problem of the relative position of the upper cover and the auxiliary spring in air spring assembly is solved, improving assembly efficiency and saving resources.

CN223147064UActive Publication Date: 2025-07-25CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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Patent Information

Application Number
CN202422464706.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-07-25
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing mechanical structure cannot adjust the position of the buckle threaded hole during the assembly line pallet, resulting in the relative position of the upper cover and the auxiliary spring, which affects the assembly efficiency.

Method used

A device including a fixing seat and an adjustment plate is designed, and through the coordination of the positioning studs and the positioning sleeve, the adjustment plate is allowed to rotate to adjust the relative angle of the buckle ring and the auxiliary spring, thereby achieving position adjustment of the buckle ring threaded hole.

Benefits of technology

The position of the threaded hole of the buckle is manually adjusted on the assembly line pallet, ensuring the accuracy of the relative position of the upper cover air inlet and auxiliary spring, improving assembly efficiency, and saving equipment investment and manpower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air spring mounting and adjusting device for an assembly line. The air spring mounting and adjusting device comprises a fixed seat and an adjusting plate, the fixing seat is used for supporting the to-be-assembled capsule and the bottom of the auxiliary spring, and the adjusting plate is arranged at the top of the capsule and matched with a retaining ring at the top of the capsule; the adjusting plate is provided with a positioning stud matched with the circumferential threaded hole of the retaining ring, and when the adjusting plate and the retaining ring are fixed into a whole through the positioning stud, the adjusting plate rotates to drive the retaining ring to rotate around the axis of the capsule so as to adjust the relative angle between the retaining ring and the internal auxiliary spring. The device provided by the utility model can meet the function of manually adjusting the position of a retaining ring threaded hole on an assembly line tray in the air spring assembling process, so that the purpose of adjusting the relative position of an upper cover air inlet and an auxiliary spring is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of the assembly of air springs for CRH3 EMUs, in particular to a device suitable for installing and adjusting air springs on a production line for CHR3 EMUs. Background Art

[0002] When assembling the air spring of the CHR3 EMU, a total of four components need to be assembled, namely a snap ring, a bladder, an auxiliary spring, and an upper cover. During the assembly process on the automated production line, after the snap ring, the bladder, and the auxiliary spring are assembled, the upper cover and the snap ring need to be assembled through 16 bolts distributed in a circular pattern to complete the overall assembly of the air spring. There are angular requirements between the air inlet of the upper cover and the auxiliary spring on the 360-degree circumference. Since the snap ring is a circumferentially symmetric component, the manipulator cannot pre-position the relative positions of the upper cover and the auxiliary spring when assembling the snap ring and the bladder. Therefore, during the automated assembly process, it is necessary to manually adjust the position of the threaded holes of the snap ring to adjust the relative positions of the upper cover and the auxiliary spring, so as to meet the angular requirements between the air inlet of the upper cover and the auxiliary spring on the 360-degree circumference. After the auxiliary spring, the snap ring, and the bladder are assembled, they are on the assembly line tray, and the existing mechanical structure devices cannot meet the requirements of manual adjustment on the assembly line tray.

[0003] Therefore, based on the above technical problems, those skilled in the art urgently need to develop an air spring installation and adjustment device for use on a production line. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an air spring installation and adjustment device for use on a production line, which can meet the function of manually adjusting the position of the threaded holes of the snap ring on the assembly line tray during the air spring assembly process, and further achieve the purpose of adjusting the relative positions of the air inlet of the upper cover and the auxiliary spring.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An air spring installation and adjustment device for use on a production line according to the utility model, the device includes:

[0007] A fixed seat; and

[0008] An adjustment plate disposed relative to the fixed seat and located above the fixed seat;

[0009] The fixed seat is used to support the bottom of the bladder and the auxiliary spring to be assembled, and the adjustment plate is placed on the top of the bladder and cooperates with the snap ring on the top of the bladder;

[0010] The adjustment plate has two positioning studs that cooperate with the circumferential threaded holes of the buckle. When the positioning studs fix the adjustment plate and the buckle together, the rotation of the adjustment plate can drive the buckle to rotate around the axis of the capsule to adjust the relative angle between the buckle and the auxiliary spring inside;

[0011] One end of the adjustment plate is provided with a positioning sleeve, and the fixing seat is provided with a positioning hole that cooperates with the positioning sleeve. When the positioning sleeve rotates to the position where it cooperates with the positioning hole through the adjustment plate, the buckle rotates to the position where it cooperates with the auxiliary spring.

[0012] Further, the fixing seat includes:

[0013] The fixing seat body; and

[0014] Two fixing seat split bodies formed at one end of the fixing seat body, and a hollow part is formed between the two fixing seat split bodies;

[0015] A fixing pin is provided between the fixing seat body and the fixing seat split body. When the fixing seat body and the fixing seat split body support the capsule and the auxiliary spring, the fixing pin connects the hole at the center of the auxiliary spring bottom plate.

[0016] Further, the fixing seat matches the size and shape of the tray groove at the corresponding station of the assembly line and is installed in the tray groove;

[0017] One side of the fixing seat split body that cooperates with the tray groove has a fixing seat guide block.

[0018] Further, the adjustment plate is a long strip-shaped plate body;

[0019] Two of the positioning studs are provided at both ends in the length direction of the adjustment plate, and the two positioning studs cooperate with two symmetric threaded holes on the diameter of the buckle;

[0020] Grip handles are respectively and outwardly protrudingly provided at both ends of the adjustment plate.

[0021] Further, the positioning sleeve is installed on the lower surface at one end in the length direction of the adjustment plate through a sleeve seat;

[0022] A positioning probe rod is movably connected to the lower part of the positioning sleeve;

[0023] The fixing seat body is provided with an oblong hole, which is the positioning hole, and the positioning probe rod can be embedded in the oblong hole.

[0024] Further, an adjustment groove is provided at the lower part of the positioning sleeve;

[0025] The positioning probe rod is placed inside the positioning sleeve, and an M5 bolt is connected to the side of the positioning probe rod. The M5 bolt extends to the outside through the adjustment slot, and the M5 bolt can slide along the adjustment slot to drive the positioning probe rod to move up and down.

[0026] Further, the adjustment slot extends in the vertical direction, and locking slots communicating with the adjustment slot are respectively arranged at the upper and lower ends of the adjustment slot. The M5 bolt can be embedded into any one of the locking slots to lock the positioning probe rod.

[0027] In the above technical solution, an air spring installation and adjustment device for an assembly line provided by the present utility model has the following beneficial effects:

[0028] The device of the present utility model can meet the function of manually adjusting the position of the buckle threaded hole on the assembly line tray during the assembly process of the air spring, and further achieve the purpose of adjusting the relative positions of the upper cover air inlet and the auxiliary spring.

[0029] The device of the present utility model solves the problem of adjusting the relative position / angle of the upper cover and the auxiliary spring during the assembly process of the air spring, can realize the operation on the assembly line, and does not need to hoist the air spring down for operation, greatly saving the equipment investment funds, saving manpower, and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0031] Figure 1 It is a schematic structural diagram of an air spring installation and adjustment device for an assembly line disclosed in an embodiment of the present utility model.

[0032] Description of the reference numerals:

[0033] 1, fixed seat; 2, adjustment plate; 3, positioning sleeve;

[0034] 101, fixed seat body; 102, fixed seat split body; 103, fixing pin; 104, fixed seat guide block; 105, positioning hole;

[0035] 201, positioning stud mounting hole; 202, handle;

[0036] 301, sleeve seat; 302, positioning screw; 303, M5 bolt; 304, adjustment slot; 305, locking slot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0037] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0038] See Figure 1 as shown in;

[0039] An air spring installation and adjustment device for an assembly line in this embodiment, the device includes:

[0040] A fixed seat 1; and

[0041] An adjustment plate 2 disposed relative to the fixed seat 1 and located above the fixed seat 1;

[0042] The fixed seat 1 is used to support the bottom of the capsule and the auxiliary spring to be assembled, and the adjustment plate 2 is placed on the top of the capsule and cooperates with the buckle ring on the top of the capsule;

[0043] The adjustment plate 2 has two positioning studs that cooperate with the circumferential threaded holes of the buckle ring. When the positioning studs fix the adjustment plate 2 and the buckle ring as a whole, the rotation of the adjustment plate 2 can drive the buckle ring to rotate around the axis of the capsule to adjust the relative angle between the buckle ring and the internal auxiliary spring;

[0044] One end of the adjustment plate 2 is provided with a positioning sleeve 3, and the fixed seat 1 is provided with a positioning hole 105 that cooperates with the positioning sleeve 3. When the positioning sleeve 3 rotates to the position where it cooperates with the positioning hole 105 through the adjustment plate 2, the buckle ring rotates to the position where it cooperates with the auxiliary spring.

[0045] Specifically, this embodiment discloses a device for installing and adjusting an air spring applicable to a designated station on an assembly line, which includes a fixed seat 1 and an adjustment plate 2. The fixed seat 1 supports the bottom of the capsule and the auxiliary spring and is connected through an auxiliary spring bottom plate. The adjustment plate 2 is located on the top of the capsule and is connected to the buckle ring through positioning studs, so that when the adjustment plate 2 rotates, the buckle ring can be driven to rotate together, thereby adjusting the relative position / angle between the buckle ring and the auxiliary spring. And in this embodiment, positioning holes are provided at designated positions on the fixed seat 1 according to process requirements, and their positions cooperate with the positioning sleeve 3 on the adjustment plate 2. Therefore, when the adjustment plate 2 is rotated to ensure the position cooperation between the positioning sleeve 3 and the positioning hole 105, the position adjustment of the buckle ring and the auxiliary spring can be completed.

[0046] Preferably, the fixed seat 1 of this embodiment includes a fixed seat body 101; and two fixed seat split parts 102 formed at one end of the fixed seat body 101, and a hollow part is formed between the two fixed seat split parts;

[0047] A fixing pin 103 is provided between the fixed seat body 101 and the fixed seat split part 102. When the fixed seat body 101 and the fixed seat split part 102 support the capsule and the auxiliary spring, the fixing pin 103 connects to the hole at the center of the auxiliary spring bottom plate.

[0048] Among them, the fixing base 1 of this embodiment matches the size and shape of the tray groove at the corresponding station of the assembly line and is installed in the tray groove.

[0049] One side of the split fixing base 102 that cooperates with the tray groove is provided with a fixing base guide block 104.

[0050] First of all, this embodiment further defines the structure of the fixing base 1, which includes an integrally formed fixing base body 101 and two split fixing bases 102. One side of the split fixing base 102 and a part of the fixing base body 101 are used to support and cooperate with the capsule and the auxiliary spring, and are installed in the central hole of the auxiliary spring bottom plate through the fixing pin 103 to realize the assembly of the fixing base 1 and the workpiece, and finally realize the assembly with the assembly line station.

[0051] Preferably, the adjusting plate 2 of this embodiment is a long strip-shaped plate body; two positioning studs are arranged at both ends in the length direction of the adjusting plate 2, and the two positioning studs cooperate with two symmetric threaded holes on the diameter of the buckle ring;

[0052] Both ends of the adjusting plate 2 are respectively provided with outwardly protruding grips 202.

[0053] Secondly, this embodiment further defines the structure of the adjusting plate 2. Positioning studs are installed at both ends in the length direction of the adjusting plate 2, and grips 202 convenient for operators to operate are arranged at the ends. The adjusting plate 2 can be rotated through the grips 202 to drive the buckle ring to rotate, and finally the position / angle adjustment with the auxiliary spring is realized.

[0054] Preferably, the positioning sleeve 3 of this embodiment is installed on the lower surface at one end in the length direction of the adjusting plate 2 through the sleeve seat 301; a positioning probe 302 is movably connected to the lower part of the positioning sleeve 3; a long circular hole is opened in the fixing base body 101, and the long circular hole is a positioning hole 105, and the positioning probe 302 can be embedded in the long circular hole.

[0055] In order to realize the adjustment of the positioning probe 302, an adjustment groove 304 is opened at the lower part of the positioning sleeve 3 of this embodiment;

[0056] Among them, the positioning probe 302 is placed in the positioning sleeve 3, and an M5 bolt 303 is connected to the side surface of the positioning probe 302. The M5 bolt 303 extends to the outside through the adjustment groove 304, and the M5 bolt 303 can slide along the adjustment groove 304 to drive the positioning probe 302 to move up and down.

[0057] The adjustment groove 304 of this embodiment extends in the vertical direction, and locking grooves 305 communicated with the adjustment groove 304 are respectively arranged at the upper and lower ends of the adjustment groove 304. The M5 bolt 303 can be embedded in any one of the locking grooves 305 to lock the positioning probe 302.

[0058] In the above technical solution, an air spring installation and adjustment device for an assembly line provided by the present utility model has the following beneficial effects:

[0059] The device of the present utility model can meet the function of manually adjusting the position of the buckle threaded hole on the assembly line tray during the assembly process of the air spring, and further achieve the purpose of adjusting the relative positions of the upper cover air inlet and the auxiliary spring.

[0060] The device of the present utility model solves the problem of adjusting the relative position / angle of the upper cover and the auxiliary spring during the assembly process of the air spring, can realize the operation on the assembly line, and does not need to hoist the air spring for operation, greatly saving the equipment investment funds, saving manpower, and improving the production efficiency.

[0061] Only some exemplary embodiments of the present utility model have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. An air spring installation and adjustment device for an assembly line, characterized in that The device includes: a fixed seat (1); and an adjustment plate (2) arranged relative to the fixed seat (1) and located above the fixed seat (1); The fixed seat (1) is used to support the bottom of the capsule to be assembled and the auxiliary spring, and the adjustment plate (2) is placed on the top of the capsule and cooperates with the buckle on the top of the capsule; The adjustment plate (2) has two positioning studs that cooperate with the circumferential threaded holes of the buckle. When the positioning studs fix the adjustment plate (2) and the buckle into one body, the rotation of the adjustment plate (2) can drive the buckle to rotate around the axis of the capsule to adjust the relative angle between the buckle and the internal auxiliary spring; One end of the adjustment plate (2) is provided with a positioning sleeve (3), and the fixed seat (1) is provided with a positioning hole (105) that cooperates with the positioning sleeve (3). When the positioning sleeve (3) rotates through the adjustment plate (2) to the position where it cooperates with the positioning hole (105), the buckle rotates to the position where it cooperates with the auxiliary spring.

2. The air spring installation and adjustment device for an assembly line according to claim 1, characterized in that The fixed seat (1) includes: a fixed seat body (101); and two fixed seat sub-bodies (102) formed at one end of the fixed seat body (101), and a hollow part is formed between the two fixed seat sub-bodies (102); A fixing pin (103) is arranged between the fixed seat body (101) and the fixed seat sub-body (102). When the fixed seat body (101) and the fixed seat sub-body (102) support the capsule and the auxiliary spring, the fixing pin (103) connects the hole at the center of the auxiliary spring bottom plate.

3. The air spring installation and adjustment device for an assembly line according to claim 2, characterized in that The fixed seat (1) matches the size and shape of the tray groove at the corresponding station of the production line and is installed in the tray groove; One side of the fixed seat sub-body (102) that cooperates with the tray groove has a fixed seat guide block (104).

4. The air spring installation and adjustment device for an assembly line according to claim 2, characterized in that The adjustment plate (2) is a long strip-shaped plate body; Two positioning studs are arranged at both ends in the length direction of the adjustment plate (2), and the two positioning studs cooperate with two symmetric threaded holes on the diameter of the buckle; Both ends of the adjustment plate (2) are respectively provided with outwardly protruding grips (202).

5. The air spring installation and adjustment device for an assembly line according to claim 4, characterized in that, The positioning sleeve (3) is installed on the lower surface at one end in the length direction of the adjustment plate (2) through a sleeve seat (301); A positioning probe rod (302) is movably connected to the lower part of the positioning sleeve (3); The fixed seat body (101) is provided with an oblong hole, which is the positioning hole (105), and the positioning probe rod (302) can be embedded in the oblong hole.

6. The air spring installation and adjustment device for an assembly line according to claim 5, characterized in that, An adjustment slot (304) is provided in the lower part of the positioning sleeve (3); The positioning probe rod (302) is placed in the positioning sleeve (3), and an M5 bolt (303) is connected to the side of the positioning probe rod (302). The M5 bolt (303) extends to the outside from the adjustment slot (304), and the M5 bolt (303) can slide along the adjustment slot (304) to drive the positioning probe rod (302) to move up and down.

7. The air spring installation and adjustment device for an assembly line according to claim 6, wherein, The adjustment slot (304) extends in the vertical direction, and locking slots (305) communicating with the adjustment slot (304) are respectively arranged at the upper and lower ends of the adjustment slot (304). The M5 bolt (303) can be embedded into any one of the locking slots (305) to lock the positioning probe rod (302).