A lifting ring limiter for welding oil storage cylinder components of high-speed train shock absorbers

Abstract

The utility model discloses a lifting ring limiting tool for welding oil storage cylinder components of high-speed train shock absorbers, including a connecting plate, a clamping body and a cover plate, one end of the connecting plate is used to be fixed on the rotary spindle of the positioner of the welding machine; the clamping body includes a V-shaped block, the V-shaped block is installed on the other end of the connecting plate, the V-shaped groove of the V-shaped block is used to install the lifting ring of the shock absorber, the notch size of the V-shaped groove is adapted to the outer circle profile size of the lifting ring, and the width of the V-shaped block is adapted to the width of the lifting ring; the cover plate is fixed to both ends of the width of the V-shaped block, and is used to clamp both ends of the width of the lifting ring. By adopting a V-shaped block structure for the clamping body, the freedom of movement in the outer circle direction of the lifting ring is limited, the positioning accuracy is high, and the repeated positioning is good; the width size of the V-shaped block of the clamping body is designed according to the width of the lifting ring, the freedom of movement in the end face direction of the lifting ring is limited, and better clamping stability and accuracy are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of production of oil pressure shock absorbers for high-speed trains, in particular to a lifting ring limiting tool used for welding oil storage cylinder components of shock absorbers for high-speed trains. Background Art

[0002] The hydraulic shock absorber is a key component of the high-speed train bogie, and its damping force characteristics play a key role in the smoothness of high-speed train operation. Figure 1 As shown in the figure: the oil storage cylinder component of the shock absorber is composed of three parts, namely, the main oil cylinder 1, the oil storage cylinder seat 2, and the lifting ring 3, which are welded to form a weld 4. During welding, the symmetry of the lifting ring 3 to the oil storage cylinder 1 is required not to exceed the product design requirements. If the symmetry exceeds the product design requirements, it will seriously affect the damping force characteristics and service life of the shock absorber. Therefore, it is particularly important to fix the lifting ring 3 during welding.

[0003] In the related art, the existing limit fixtures for the lifting rings have poor positioning stability, low clamping efficiency, cannot guarantee the symmetry requirements, have a low welding qualification rate, and increase the product manufacturing cost. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art at least to a certain extent. To this end, the utility model aims to provide a lifting ring limiting tool for welding oil storage cylinder components of high-speed train shock absorbers.

[0005] The utility model is realized by the following technical solutions:

[0006] A lifting ring limiting tool for welding the oil storage cylinder component of a high-speed train shock absorber comprises a connecting plate, a clamping body and a cover plate, wherein one end of the connecting plate is used to be fixed on the rotary spindle of the positioner of a welding machine tool; the clamping body comprises a V-shaped block, which is mounted on the other end of the connecting plate, and the V-shaped groove of the V-shaped block is used to install the lifting ring of the shock absorber, the notch size of the V-shaped groove is adapted to the outer circle contour size of the lifting ring, and the width of the V-shaped block is adapted to the width of the lifting ring; the cover plate is fixed to both ends of the width of the V-shaped block, and is used to clamp both ends of the width of the lifting ring.

[0007] Optionally, the connecting plate includes a main body, a boss arranged at the center of one end of the main body, and a mounting hole that passes through the main body and the boss in sequence from the center of the other end of the main body. The main body is provided with one end of the boss for fixing on the rotating spindle of the positioner of the welding machine, and the V-block is installed on the main body through the mounting hole.

[0008] Optionally, the clamp body further includes a connecting rod, which is provided at an end of the V-shaped block where no V-shaped groove is provided, and the connecting rod is inserted into the mounting hole, and the V-shaped block is mounted on the main body through the cooperation of the connecting rod and the mounting hole.

[0009] Optionally, a positioning plate is further included, and the ends of the boss and the connecting rod are both provided with a slot. When the connecting rod and the mounting hole are matched, the slot on the connecting rod and the slot on the boss are aligned, and the positioning plate is installed in the aligned slot to limit the position between the boss and the connecting rod.

[0010] Optionally, a screw hole is provided at the center of the end of the connecting rod, and a through hole is provided at the center of the positioning plate, and the positioning plate is fixed to the connecting rod and the boss by screws.

[0011] Optionally, the cross-sections of the main body and the boss are both circular, the mounting hole, the boss and the main body are concentrically arranged, and the outer diameter of the main body is adapted to the rotary spindle of the positioner of the welding machine.

[0012] Optionally, the main body is provided with bolt holes for fixing the main body to the rotary spindle of the positioner of the welding machine by bolts.

[0013] Optionally, the cover plate is a square plate structure, and the cover plate and the V-shaped block are connected by bolts or screws.

[0014] Optionally, the card slot is a U-shaped slot, and the positioning plate is a long strip.

[0015] Therefore, the utility model of the lifting ring limit fixture for welding the oil storage cylinder component of the high-speed train shock absorber solves the technical problems of poor positioning stability, low clamping efficiency and poor precision of the existing limit fixtures in the existing related technologies. Beneficial effects are achieved: by adopting a V-block structure for the clamp body, the freedom of movement in the outer circle direction of the lifting ring is limited, the positioning accuracy is high, and the repeated positioning is good; the width size of the V-block of the clamp body is designed according to the width of the lifting ring, the freedom of movement in the end face direction of the lifting ring is limited, and better clamping stability and precision are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1It is a schematic diagram of the structure of the oil storage component of the shock absorber according to the embodiment of the utility model and a schematic diagram of the symmetry requirements of the welding part of the oil storage cylinder component;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the lifting ring limiter tooling and the shock absorber for welding the oil storage cylinder component of the high-speed train shock absorber provided in accordance with the embodiment of the utility model;

[0019] Figure 3 It is a schematic cross-sectional structure diagram of a lifting ring limiting tooling for welding an oil storage cylinder component of a high-speed train shock absorber provided by an embodiment of the utility model when clamping a lifting ring of the shock absorber oil storage component;

[0020] Figure 4 It is a structural schematic diagram and technical requirement diagram of the clamping ring limit fixture for welding the oil storage cylinder component of the high-speed train shock absorber provided according to the embodiment of the utility model (the leftmost stereogram, the middle is the stepped cross-sectional diagram, and the right is the side view);

[0021] Figure 5 It is a structural schematic diagram and technical requirement diagram of a connection plate of a lifting ring limiter tooling for welding oil storage cylinder components of a high-speed train shock absorber provided according to an embodiment of the utility model (the left side is a cross-sectional view, the middle is a top view, and the right side is a stereoscopic view);

[0022] Figure 6 It is a structural schematic diagram of a positioning plate of a lifting ring limiting tooling for welding oil storage cylinder components of a high-speed train shock absorber provided in an embodiment of the utility model;

[0023] Among them, 1. oil storage cylinder, 2. oil storage cylinder seat, 3. lifting ring, 4. weld, 5. clamp body, 51. connecting rod, 511. screw hole, 52. slot, 6. connecting plate, 61. main body, 611. bolt hole, 62. boss, 63. mounting hole, 7. positioning plate, 71. through hole, 8. cover plate, 9. screw. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0025] Below, refer to Figure 2-6 A lifting ring limiting tool for welding oil storage cylinder components of a high-speed train shock absorber according to an embodiment of the utility model is specifically described.

[0026] like Figure 2-6 As shown, according to an embodiment of the utility model, a lifting ring limiting tool for welding the oil storage cylinder component of a high-speed train shock absorber is provided, comprising a connecting plate 6, a clamping body 5 and a cover plate 8, one end of the connecting plate 6 is used to be fixed on the rotating spindle of the positioner of the welding machine; the clamping body 5 comprises a V-block, the V-block is installed on the other end of the connecting plate 6, the V-groove of the V-block is used to install the lifting ring 3 of the shock absorber, the notch size of the V-groove is adapted to the outer circular contour size of the lifting ring 3, and the width of the V-block is adapted to the width of the lifting ring 3; the cover plate 8 is fixed to the two ends of the width of the V-block, and is used to clamp the two ends of the width of the lifting ring 3.

[0027] In one embodiment, the connecting disk 6 includes a main body 61, a boss 62 arranged at the center of one end of the main body 61, and a mounting hole 63 that passes through the main body 61 and the boss 62 in sequence from the center of the other end of the main body 61. The main body 61 is provided with one end of the boss 62 for fixing on the rotary spindle of the positioner of the welding machine, and the V-block is installed on the main body 61 through the mounting hole 63.

[0028] In one embodiment, the clamp body 5 also includes a connecting rod 51, which is arranged at one end of the V-block where the V-groove is not provided. The connecting rod 51 is inserted into the mounting hole 63, and the V-block is installed on the main body 61 through the cooperation between the connecting rod 51 and the mounting hole 63.

[0029] In one embodiment, a positioning plate 7 is further included, and a slot 52 is provided at the end of the boss 62 and the end of the connecting rod 51. When the connecting rod 51 and the mounting hole 63 are matched, the slot 52 on the connecting rod 51 and the slot 52 on the boss 62 are aligned, and the positioning plate 7 is installed in the aligned slot 52 to limit the position between the boss 62 and the connecting rod 51.

[0030] Furthermore, a screw hole 511 is provided at the center of the end of the connecting rod 51 , and a through hole 71 is provided at the center of the positioning plate 7 , and the positioning plate 7 is fixed to the connecting rod 51 and the boss 62 by screws 9 .

[0031] In one embodiment, the cross-sections of the main body 61 and the boss 62 are both circular, the mounting hole 63, the boss 62 and the main body 61 are concentrically arranged, and the outer diameter of the main body 61 is adapted to the rotary spindle of the positioner of the welding machine.

[0032] In one embodiment, the main body 61 is provided with a bolt hole 611 for fixing the main body 61 to the rotary spindle of the positioner of the welding machine by bolts.

[0033] In one embodiment, the cover plate 8 is a square plate structure, and the cover plate 8 and the V-shaped block are connected by bolts or screws.

[0034] In one embodiment, the slot 52 is a U-shaped slot, and the positioning plate 7 is a long strip.

[0035] In a specific embodiment, the clamp body 5 adopts a V-shaped block structure, and the opening size of the V-shaped block is designed according to the outer circle size of the lifting ring 3 to ensure the symmetry requirement of the V-shaped block opening direction to the main axis; the width size of the V-shaped block is designed according to the width of the lifting ring 3 to ensure the symmetry requirement of the V-shaped block width direction to the main axis. Figure 5 As shown, the size of the reference outer circle of the connection plate 6 is designed according to the size of the installation circular hole of the rotating main shaft of the welding machine positioner, so as to ensure the verticality requirements of the two installation ends of the connection plate 6 to the reference outer circle, and ensure the coaxiality requirements of the installation hole of the connection plate 6 to the reference outer circle. The cover plate 8 is connected to the clamp body 5 by screws, and the connecting rod 51 of the clamp body 5 is installed on the installation hole 63 of the connection plate 6, so that the card slot 52 of the clamp body 5 is aligned with the card slot 52 of the connection plate 6; the positioning plate 7 is installed in the card slot 52 where the clamp body 5 is aligned with the connection plate 6, and then tightened with screws 9 to prevent the clamp body 5 and the connection plate 6 from rotating; the reference outer circle of the connection plate 6 is matched with the installation circular hole of the welding machine positioner main shaft, and the connection plate is fixed to the welding machine positioner main shaft by screws. In this way, the rotation center of the V-block of the clamp body 5 is guaranteed to be consistent with the rotation center of the welding machine.

[0036] In the specific implementation, the lifting ring 3 of the oil storage cylinder component is installed in the V-shaped groove, and the welding machine rotates the tailstock spindle to press the oil storage cylinder barrel, ensuring that the rotation center of the welding machine positioner, the lifting ring, the oil storage cylinder seat, the main oil cylinder barrel center, and the tailstock spindle rotation center are coaxial. Start the welding machine, run the welding program, and complete the welding of the welding part of the oil storage cylinder component. The clamping process is very simple, strictly ensuring the symmetry tolerance requirements of the lifting ring of the welding part of the oil storage cylinder component to the oil storage cylinder barrel, solving a technical problem in the welding of the oil storage cylinder component.

[0037] Therefore, the lifting ring limit fixture for welding the oil storage cylinder component of the shock absorber of a high-speed train provided by the embodiment of the utility model solves the technical problems of poor positioning stability, low clamping efficiency and poor precision of the existing limit fixtures in the existing related technologies. Beneficial effects are achieved: by adopting a V-block structure for the clamp body, the freedom of movement in the outer circle direction of the lifting ring is limited, the positioning accuracy is high, and the repeated positioning is good; the width size of the V-block of the clamp body is designed according to the width of the lifting ring, the freedom of movement in the end face direction of the lifting ring is limited, and better clamping stability and precision are achieved.

[0038] In the description of the embodiments of the present invention, it needs to be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0039] In addition, the terms "first" and "another" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, "multiple" and "several" mean at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "one example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting ring limiter for welding oil storage cylinder components of high-speed train shock absorbers, characterized in that: include: A connecting plate, one end of which is used to be fixed on the rotary spindle of the positioner of the welding machine; A clamp body, wherein the clamp body comprises a V-shaped block, the V-shaped block is mounted on the other end of the connecting plate, the V-shaped groove of the V-shaped block is used to mount the lifting ring of the shock absorber, the notch size of the V-shaped groove is adapted to the outer circle profile size of the lifting ring, and the width of the V-shaped block is adapted to the width of the lifting ring; A cover plate is fixed to both ends of the width of the V-shaped block and is used for clamping both ends of the width of the lifting ring.

2. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 1 is characterized in that: The connecting plate includes a main body, a boss arranged at the center of one end of the main body, and a mounting hole that passes through the main body and the boss in sequence from the center of the other end of the main body. The main body is provided with one end of the boss for fixing on the rotating spindle of the positioner of the welding machine, and the V-block is installed on the main body through the mounting hole.

3. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 2 is characterized in that: The clamp body also includes a connecting rod, which is arranged at one end of the V-shaped block without a V-shaped groove, and the connecting rod is inserted into the mounting hole. The V-shaped block is installed on the main body through the cooperation of the connecting rod and the mounting hole.

4. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 3 is characterized in that: It also includes a positioning plate, and the ends of the boss and the connecting rod are both provided with a slot. When the connecting rod and the mounting hole are matched, the slot on the connecting rod is aligned with the slot on the boss, and the positioning plate is installed in the aligned slot to limit the position between the boss and the connecting rod.

5. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 4 is characterized in that: A screw hole is provided at the center of the end of the connecting rod, and a through hole is provided at the center of the positioning plate. The positioning plate is fixed to the connecting rod and the boss by screws.

6. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 2 is characterized in that: The cross sections of the main body and the boss are both circular, the mounting hole, the boss and the main body are concentrically arranged, and the outer diameter of the main body is adapted to the rotary spindle of the positioner of the welding machine.

7. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 6 is characterized in that: The main body is provided with bolt holes for fixing the main body on the rotary spindle of the positioner of the welding machine through bolts.

8. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 1 is characterized in that: The cover plate is a square plate structure, and the cover plate and the V-shaped block are connected by bolts or screws.

9. The lifting ring limiting tool for welding the oil storage cylinder component of the high-speed train shock absorber according to claim 4 is characterized in that: The card slot is a U-shaped slot, and the positioning plate is a long strip.

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