Suspension type lifting appliance tool for axle heat treatment

Abstract

The utility model discloses a suspension type lifting tool for axle heat treatment, which comprises a support plate, a plurality of sealing plate plugs arranged on the support plate, a lifting rod vertically inserted in the sealing plate plugs, a lifting rod arm hinged to the bottom of the lifting rod through a first pin shaft, and a plurality of first pull rods and a plurality of second pull rods arranged below the lifting rod arm, two first supporting seats and two second supporting seats are further included, the two first supporting seats are connected through an arc-shaped frame, the second supporting seats are connected to the outer sides of the two first supporting seats through the arc-shaped frame, the inner side of the arc-shaped frame is matched with the conical surface, and the arc-shaped frame is hinged to the first supporting seats through second pin shafts; one end of a first pull rod is hinged to the suspender arm, the other end of the first pull rod is hinged to the first supporting seat, one end of a second pull rod is hinged to the suspender arm, and the other end of the second pull rod is hinged to the second supporting seat; according to the device, direct hoisting of the axle is realized, the processing procedure and the production cost are saved, and the hoisting efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting tool workpieces, and particularly relates to a suspension type lifting tool workpiece for axle heat treatment. Background Art

[0002] An axle is a shaft for transmitting power between the wheelset and the wheels of a railway vehicle. Its inner end is connected to the hub of the wheelset, and its outer end is connected to the wheelset bearing and fixed on the vehicle bogie. To improve the service life and performance of the vehicle, the axle is forged. As a key part of locomotive and vehicle to bear dynamic loads, its stress state is complex. It mainly bears bending load, torsional load or combined bending and torsional load, and may be subject to certain impact. Therefore, the axle may break due to fatigue, bending, torsion or tensile stress during operation, but fatigue fracture is the common fracture form of the shaft. Therefore, for axle steel, it is mainly to ensure its good strength, especially the combined bending and torsional fatigue strength and toughness. To prevent the rapid wear of its journal part, it is also necessary to make it have a certain surface hardness through heat treatment.

[0003] When carrying out axle heat treatment, a lifting tool is often needed to lift the axle. In the prior art, traditional axle lifting tools are all based on drilling a lifting hole in the axle and then hoisting through a pin inserted into the hole. In actual production activities, the operation of machining the lifting hole in the axle belongs to an additional production process, and the material size for machining the lifting hole will also be reserved in the blanking of raw materials. This not only increases the production cost, but also adds a manual link, reduces the production efficiency, and there are also unnecessary safety hazards. To sum up, there is an urgent need for a safe and efficient suspension type lifting tool workpiece. Summary of the Utility Model

[0004] To solve some or all of the above technical problems existing in the prior art, the utility model provides a suspension type lifting tool workpiece for axle heat treatment. The axle includes a first axle surface and a second axle surface. The second axle surface is arranged in the middle of the first axle surface, and the first axle surface and the second axle surface are transitioned through a conical surface. The suspension type lifting tool workpiece for axle heat treatment includes a support plate, a plurality of sealing plate plugs opened on the support plate, a suspension rod vertically inserted into the sealing plate plugs, a suspension rod arm hinged to the bottom of the suspension rod through a first pin shaft, and a plurality of first tie rods and a plurality of second tie rods arranged below the suspension rod arm, wherein:

[0005] The hanging jig tooling for axle heat treatment further includes two first support seats and two second support seats. The two first support seats are connected by an arc-shaped frame. The second support seats are connected to the outside of the two first support seats through arc-shaped frames. The inner side of the arc-shaped frame is matched with the conical surface. The arc-shaped frame is hinged to the first support seat through a second pin shaft, and the arc-shaped frame is hinged to the second support seat through a third pin shaft. One end of the first pull rod is hinged to the hanging rod arm, and the other end is hinged to the first support seat. One end of the second pull rod is hinged to the hanging rod arm, and the other end is hinged to the second support seat.

[0006] Further, in the above-mentioned hanging jig tooling for axle heat treatment, the two first support seats and the two second support seats are connected by two arc-shaped frames. The two arc-shaped frames are symmetrically arranged along the midline of the first support seat. The two first support seats are connected by two arc-shaped frames. The two arc-shaped frames are symmetrically arranged along the midline of the first support seat. The bottom surfaces of the first support seat and the second support seat are located in the same plane.

[0007] Further, in the above-mentioned hanging jig tooling for axle heat treatment, multiple hanging rods are parallel to each other, multiple first pull rods and multiple second pull rods are parallel to each other, and the support plate and the hanging rod arm are parallel to each other.

[0008] Further, in the above-mentioned hanging jig tooling for axle heat treatment, retaining bars are arranged on both sides below the outer wall of the hanging rod, and the retaining bars are welded to the bottom of the sealing plate plug.

[0009] As a specific implementation manner, in the above-mentioned hanging jig tooling for axle heat treatment, the number of the sealing plate plugs is 2 to 6.

[0010] As a specific implementation manner, in the above-mentioned hanging jig tooling for axle heat treatment, the number of the first pull rods is 2 to 6.

[0011] As a specific implementation manner, in the above-mentioned hanging jig tooling for axle heat treatment, the number of the second pull rods is 2 to 6.

[0012] As a specific implementation manner, in the above-mentioned hanging jig tooling for axle heat treatment, a fixing wire is arranged at one end of the first pin shaft.

[0013] The hanging jig tooling for axle heat treatment of the present utility model has the following advantages and beneficial effects:

[0014] The axle lifting device of the present utility model has a simple structure and is easy to operate. It realizes the direct lifting of the axle in a vertical suspension state, eliminating the need for the cumbersome operation of machining lifting holes on the axle, saving a machining process of machining lifting holes at the axle end, solving the practical difficulties in production, avoiding certain potential safety hazards, and eliminating the need to reserve material dimensions for machining lifting holes, thus saving production costs. Moreover, it can quickly disassemble and assemble the lifted axle, significantly improving the lifting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only for further understanding of the embodiments of the present utility model and constitute a part of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In the drawings:

[0016] Figure 1 is a schematic structural diagram of the hanging type lifting tooling for axle heat treatment of the present utility model.

[0017] DESCRIPTION OF THE REFERENCE NUMERALS:

[0018] 1 - support plate, 2 - suspension rod, 11 - sealing plate plug, 3 - first pin shaft, 4 - suspension rod arm, 5 - first pull rod, 6 - second pull rod, 7 - first support seat, 8 - second support seat, 9 - arc-shaped frame, 71 - second pin shaft, 81 - third pin shaft, 101 - first shaft surface, 102 - conical surface, 103 - second shaft surface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the following will clearly and completely describe the technical solutions of the present utility model in combination with specific embodiments of the present utility model and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0020] As Figure 1As shown in the figure, the utility model discloses a suspension type lifting tool for axle heat treatment. The axle includes a first axle surface 101 and a second axle surface 103. The second axle surface 103 is arranged in the middle of the first axle surface 101. A tapered surface 102 is used for transition between the first axle surface 101 and the second axle surface 103. The tapered surface 102 is inclined at a specified angle with the first axle surface 101. The suspension type lifting tool for axle heat treatment includes a support plate 1, a plurality of seal plate plugs 11 opened on the support plate 1, a suspension rod 2 vertically inserted into the seal plate plugs 11, a suspension rod arm 4 hinged to the bottom of the suspension rod 2 through a first pin shaft 3, a plurality of first pull rods 5 and a plurality of second pull rods 6 arranged below the suspension rod arm 4. A plurality of suspension rods 2 are equidistantly distributed inside the support plate 1. The outer wall of the suspension rod 2 abuts against the support plate 1 through the seal plate plugs 11. The suspension type lifting tool for axle heat treatment further includes two first support seats 7 and two second support seats 8. The two first support seats 7 are connected through an arc-shaped frame 9. Both sides of the two first support seats 7 are connected with second support seats 8 through the arc-shaped frame 9. The inner side of the arc-shaped frame 9 is matched with the tapered surface 102. Through the fitting of the inner wall of the arc-shaped frame 9 and the tapered surface 102, the vertical suspension and lifting of the axle are realized. The arc-shaped frame 9 is hinged to the first support seat 7 through a second pin shaft 71, and the arc-shaped frame 9 is hinged to the second support seat 8 through a third pin shaft 81. One end of the first pull rod 5 is hinged to the suspension rod arm 4, and the other end is hinged to the first support seat 7. One end of the second pull rod 6 is hinged to the suspension rod arm 4, and the other end is hinged to the second support seat 8.

[0021] Further, in the suspension type lifting tool for axle heat treatment of the utility model, the two first support seats 7 and the two second support seats 8 are connected through two arc-shaped frames 9. The two arc-shaped frames 9 are symmetrically arranged along the midline of the first support seat 7. The two first support seats 7 are connected through two arc-shaped frames 9. The two arc-shaped frames 9 are symmetrically arranged along the midline of the first support seat 7. An arc matching the tapered surface 102 is pieced together between the two symmetric arc-shaped frames 9. The bottom surfaces of the first support seat 7 and the second support seat 8 are located in the same plane.

[0022] Further, in the suspension type lifting tool for axle heat treatment of the utility model, a plurality of suspension rods 2 are parallel to each other, a plurality of first pull rods 5 and a plurality of second pull rods 6 are parallel to each other, and the support plate 1 and the suspension rod arm 4 are parallel to each other.

[0023] Further, in the suspension type lifting tool for axle heat treatment of the utility model, retaining rods (not shown in the figure) are arranged on both sides below the outer wall of the suspension rod 2. The retaining rods are welded to the bottom of the seal plate plugs 11. Of course, other fixing methods such as fastener connection and snap connection can also be adopted between the retaining rods and the seal plate plugs 11.

[0024] As a specific implementation manner, in the suspension type hanger tooling for axle heat treatment of the present utility model, the number of the sealing plate plugs 11 is 2 to 6, more specifically, the number of the sealing plate plugs 11 is 3. Of course, the specific number of the sealing plate plugs 11 needs to be set according to the actual use requirements.

[0025] As a specific implementation manner, in the suspension type hanger tooling for axle heat treatment of the present utility model, the number of the first pull rods 5 is 2 to 6, more specifically, the number of the first pull rods 5 is 2. Of course, the specific number of the first pull rods 5 needs to be set according to the actual use requirements, and the number thereof is matched with the number of the first support seats 7.

[0026] As a specific implementation manner, in the suspension type hanger tooling for axle heat treatment of the present utility model, the number of the second pull rods 6 is 2 to 6, more specifically, the number of the second pull rods 6 is 2. Of course, the specific number of the second pull rods 6 needs to be set according to the actual use requirements, and the number thereof is matched with the number of the second support seats 8.

[0027] As a specific implementation manner, in the suspension type hanger tooling for axle heat treatment of the present utility model, one end of the first pin shaft 3 is provided with a fixing wire (not shown in the figure). More specifically, the fixing wire is inserted into a fine hole (not shown in the figure) opened at one end of the first pin shaft 3 to fasten it. A fine hole is opened at one end of the first pin shaft 3 after passing through the hanging rod arm 4, and the axial position of the first pin shaft 3 is limited by inserting the fixing wire into the fine hole.

[0028] The working principle of the suspension type hanger tooling for axle heat treatment of the present utility model is as follows:

[0029] Before hoisting, it is necessary to first assemble each mechanism of the device. First, insert the hanging rod 2 into the sealing plate plug 11. After debugging to the specified position, fix it with a stop rod. Then, the bottom of the hanging rod 2 is hinged to the hanging rod arm 4 through the cooperation between the first pin shaft 3 and the fixing wire. Then, the tops of the first pull rod 5 and the second pull rod 6 are hinged to the hanging rod arm 4 through the cooperation between the first pin shaft 3 and the fixing wire. The bottom of the first pull rod 5 is hinged to the first support seat 7, and the bottom of the second pull rod 6 is hinged to the second support seat 8. The first support seat 7 and the second support seat 8 on the same side are connected to each other through the arc-shaped frame 9. One end of the arc-shaped frame 9 on the other side is hinged to the first support seat 7 and the second support seat 8, and the other end is hinged to the first support seat 7 and the second support seat 8 respectively through the second pin shaft 71 and the third pin shaft 81 after installing the axle into the arc-shaped frame 9. With such a setting, the suspension hoisting of the axle is realized.

[0030] To sum up, compared with the prior art, the suspension type hanger tooling for axle heat treatment of the present utility model has the following advantages and beneficial effects:

[0031] The axle lifting device of the present utility model has a simple structure and is convenient to operate. It realizes the direct lifting of the axle in an upright suspension manner, eliminating the need for the cumbersome operation of machining lifting holes on the axle, saving a machining process of machining lifting holes at the axle end, solving the practical difficulties in production, avoiding certain potential safety hazards, and not requiring the reserved material size for machining lifting holes, thus saving production costs. Moreover, it can quickly disassemble and assemble the lifted axle, significantly improving the lifting efficiency.

[0032] It should be noted that in this article, unless otherwise clearly defined and limited, the term "connection" or its synonyms should be understood in a broad sense. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meaning of the above terms in the present utility model can be understood according to specific circumstances. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. At the same time, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. In addition, in this article, "front", "rear", "left", "right", "up", "down", etc. are all referenced based on the placement state shown in the drawings.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A suspension type lifting tool for axle heat treatment, the axle includes a first axle surface and a second axle surface, the second axle surface is arranged in the middle of the first axle surface, and the first axle surface and the second axle surface are transitioned through a conical surface, characterized in that, The hanging jig tooling for axle heat treatment includes a support plate, a plurality of sealing plate plugs formed on the support plate, a suspension rod vertically inserted into the sealing plate plugs, a suspension rod arm hinged to the bottom of the suspension rod through a first pin shaft, and a plurality of first tie rods and a plurality of second tie rods arranged below the suspension rod arm, wherein: The hanging jig tooling for axle heat treatment further includes two first support seats and two second support seats. The two first support seats are connected by an arc-shaped frame. The second support seats are connected to the outer sides of the two first support seats through arc-shaped frames. The inner side of the arc-shaped frame matches the conical surface. The arc-shaped frame is hinged to the first support seat through a second pin shaft, and the arc-shaped frame is hinged to the second support seat through a third pin shaft. One end of the first tie rod is hinged to the suspension rod arm, and the other end is hinged to the first support seat. One end of the second tie rod is hinged to the suspension rod arm, and the other end is hinged to the second support seat.

2. The suspended hanger tooling for axle heat treatment according to claim 1, wherein The two arc-shaped frames are used to connect the first support seat and the second support seat. The two arc-shaped frames are symmetrically arranged along the midline of the first support seat. The two arc-shaped frames are used to connect the two first support seats. The two arc-shaped frames are symmetrically arranged along the midline of the first support seat. The bottom surfaces of the first support seat and the second support seat are located in the same plane.

3. The suspension type lifting tooling for axle heat treatment according to claim 1, wherein The plurality of suspension rods are parallel to each other, the plurality of first tie rods and the plurality of second tie rods are parallel to each other, and the support plate and the suspension rod arm are parallel to each other.

4. The hanging sling tooling for axle heat treatment according to claim 1, characterized in that, Blocking rods are arranged on both sides of the lower part of the outer wall of the suspension rod, and the blocking rods are welded to the bottom of the sealing plate plug.

5. The hanging sling tooling for axle heat treatment according to claim 1, characterized in that, The number of the sealing plate plugs is 2 - 6.

6. The hanging sling tooling for axle heat treatment according to claim 1, characterized in that, The number of the first tie rods is 2 - 6.

7. The suspended sling tooling for axle heat treatment according to claim 1, characterized in that, The number of the second tie rods is 2 - 6.

8. The suspension type lifting tool and equipment for axle heat treatment according to claim 1, characterized in that, A fixing wire is arranged at one end of the first pin shaft.

Images