CN220317929U - Gear shaft carburizing and charging tool - Google Patents

Abstract

A gear shaft carburizing and charging tool belongs to the technical field of gear shaft carburizing and charging tools. The charging tool in the prior art is used for the medium-large gear shaft, so that the manufacturing cost is high, the precision is wasted, the process of installing the gear shaft is complex, and the support stability is limited. The lifting device comprises a lifting plate, bolts, upright posts and lifting rings, wherein a plurality of upright posts are vertically arranged, and the upright posts surround a space for accommodating a gear shaft; the hanging plate is arranged at the upper end of the upright post, and the middle part of the hanging plate is provided with a bolt penetrating through the hanging plate; a limiting structure for limiting the upright post to pass through the hanging plate is arranged between the hanging plate and the upright post; the hanging ring is connected with the upright post. The whole assembly and use process is simple and convenient; simple structure, low in manufacturing cost, safe and reliable in hoisting process and convenient to hoist.

Description

Gear shaft carburizing and charging tool

Technical Field

A gear shaft carburizing and charging tool belongs to the technical field of gear shaft carburizing and charging tools.

Background

When the medium-and-large-sized gear shafts are charged in the carburizing and quenching heat treatment furnace, the common tool is difficult to bear the weight of the gear shafts during hoisting due to the large weight of the gear shafts, so that the furnace charging state is unstable, and potential safety hazards such as tool damage, gear shaft attitude damage, gear shaft dumping and the like are easy to occur during the carburizing and quenching heat treatment. If the gear shaft is horizontally placed on the material tray, the gear shaft is possibly in contact with the material tray in a large area, so that the quenching is uneven, the gear shaft is greatly deformed in quenching, and the product quality is unqualified.

In the prior art, the charging tool aiming at the quenching or carburizing process of the automobile gear shaft is a small and light automobile gear shaft, is not suitable for the carburizing process of a large gear shaft, is focused on solving the precision problem, has a complex structure, is used for a medium and large gear shaft, and has high manufacturing cost, waste precision, complex process of installing the gear shaft and limited support stability.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: overcomes the defects of the prior art, and provides a gear shaft carburizing and charging tool which has low cost, stable support and convenient use.

The technical scheme adopted for solving the technical problems is as follows: gear shaft carburization dress stove frock, its characterized in that: the lifting device comprises a lifting plate, bolts, upright posts and lifting rings, wherein a plurality of upright posts are vertically arranged, and the upright posts surround a space for accommodating a gear shaft; the hanging plate is arranged at the upper end of the upright post, and the middle part of the hanging plate is provided with a bolt penetrating through the hanging plate; a limiting structure for limiting the upright post to pass through the hanging plate is arranged between the hanging plate and the upright post; the hanging ring is connected with the upright post.

When the hanging plate is used, firstly, the hanging plate is placed on the upper end face of the vertically arranged gear shaft, the gear shaft and the hanging plate are connected through threaded holes in the end parts of the gear shaft, then the hanging plate is placed on the stand column, the hanging plate is supported by the stand column, so that the bottom of the gear shaft is suspended in a carburizing and charging tool of the gear shaft, and then the whole hanging plate is placed in a furnace through the hanging ring, so that the gear shaft is suspended in the furnace.

The whole assembly and use process is simple and convenient; the structure of hanging the gear shaft by utilizing the plurality of upright posts to be matched with the hanging plate is simple, the manufacturing cost is low, and the stability can be improved by reinforcing the upright posts; through limit structure between hanger plate and the stand, can realize lifting whole frock and gear shaft through lifting the stand, whole lifting process ensures that only the gear shaft is suspension element, and lifting process safe and reliable, it is convenient to lift.

Preferably, the limit structure comprises a taper hole and a frustum, wherein the taper hole is arranged on the hanging plate, the frustum is arranged at the top of the upright post, the diameter of the taper hole is gradually reduced from bottom to top, the shape of the frustum corresponds to the taper hole, and the frustum is arranged in the taper hole. The combination is more stable and the structure is more firm when the hanging plate or the hanging upright post is placed.

Further preferably, the taper hole penetrates through the hanger plate.

Further preferably, the hanging ring is connected to the top of the frustum. The lifting ring is connected from the top of the upright post through the lifting plate, so that the stability of the structure during lifting is further guaranteed, the stress direction of connection between the lifting ring and the upright post is vertical, and the connection part is firmer during lifting.

Preferably, the hanging ring is connected with the frustum through threads. The lifting plate is convenient to detach, and after being connected with the gear shaft, the lifting plate is placed on the upright post, and then the lifting ring is installed.

Preferably, the top of the hanging plate is also provided with a hanging ring. The lifting plate is used for independently lifting, and is convenient to lift above the upright post after the lifting plate is connected with the gear shaft.

Preferably, the lifting plate further comprises a gasket, the gasket is arranged at the top of the lifting plate and corresponds to the bolt, and the threaded end of the bolt sequentially penetrates through the gasket and the lifting plate.

Further preferably, a gasket groove is formed in the middle of the hanger plate, and the gasket is arranged in the gasket groove. The bolts with different diameters can be adapted by changing different gaskets, so that the gear shafts with different sizes can be further adapted.

Preferably, the bottom of the upright post is provided with a base ring, and the base ring is connected with each upright post. The stability of the upright post is improved.

Compared with the prior art, the utility model has the following beneficial effects: the whole assembly and use process is simple and convenient; the structure of hanging the gear shaft by utilizing the plurality of upright posts to be matched with the hanging plate is simple, the manufacturing cost is low, and the stability can be improved by reinforcing the upright posts; through limit structure between hanger plate and the stand, can realize lifting whole frock and gear shaft through lifting the stand, whole lifting process ensures that only the gear shaft is suspension element, and lifting process safe and reliable, it is convenient to lift.

Drawings

Fig. 1 is a schematic structural diagram of a gear shaft carburizing and charging tool.

FIG. 2 is a cross-sectional view of a gear shaft carburizing and charging tool.

Fig. 3 is a top view of the hanger plate.

Fig. 4 is a section view along A-A of fig. 3.

Fig. 5 is a schematic diagram of a gasket structure.

Fig. 6 is a schematic view of a base structure.

Wherein, 1, hanging plate; 2. a gasket; 3. a bolt; 4. a plate hanging ring; 5. a column; 6. a base ring; 7. a column hanging ring; 101. taper holes; 102. a plate hanging ring hole; 103. plate bolt holes; 104. a gasket groove; 201. a gasket bolt hole; 501. a frustum.

Detailed Description

The utility model is further described below with reference to fig. 1 to 6.

Referring to fig. 1-2: a gear shaft carburizing and charging tool comprises a hanger plate 1, a gasket 2, bolts 3, a plate hanging ring 4, a base and a column hanging ring 7.

The base includes stand 5 and base ring 6, and stand 5 has three, vertical annular setting, and the middle part surrounds the space of holding the gear shaft. The lower ends of the upright posts 5 are connected with each other through a base ring 6.

Referring to fig. 3 to 6: the hanger plate 1 sets up in the base top, and each stand 5 of base is connected to the hanger plate 1, and the location that the hanger plate 1 bottom corresponds stand 5 is equipped with the taper hole 101 that runs through hanger plate 1, and taper hole 101 diameter reduces gradually from the bottom to the top, and stand 5 top is equipped with the frustum 501 that corresponds with taper hole 101 tapering, and frustum 501 top is equipped with the screw hole, and frustum 501 sets up in taper hole 101.

The top of the lifting plate 1 is symmetrically provided with two threaded plate lifting ring holes 102, and the plate lifting ring 4 is in threaded connection with the lifting plate 1 through the plate lifting ring holes 102; the number of the column hanging rings 7 is three, and the three column hanging rings are arranged at the top of the hanging plate 1 and are respectively connected with threaded holes of the frustum 501 through threads.

The hanger plate 1 middle part is equipped with gasket groove 104, and gasket 2 sets up in gasket groove 104, and gasket groove 104 middle part is equipped with the board bolt hole 103 that runs through hanger plate 1, and gasket 2 middle part is equipped with the gasket bolt hole 201 that corresponds board bolt hole 103, and bolt 3 passes gasket bolt hole 201 and board bolt hole 103 in proper order to the space that holds the gear shaft.

The installation and use method comprises the following steps: firstly, two plate hanging rings 4 are hung by a hanging hook to hang a hanging plate 1, the hanging plate is placed on the end face of a vertically placed gear shaft, bolt holes at the end part of the gear shaft are aligned with plate bolt holes, a gasket 2 is placed into a gasket groove 104 from the upper part of the hanging plate 1, bolts 3 penetrate into the gasket bolt holes 201 and the plate bolt holes 103, and the bolts 3 are fixedly connected with the gear shaft through the bolt holes at the end part of the gear shaft. The lifting hooks are used for lifting the two plate lifting rings 4 to lift the lifting plate 1 and the fixed gear shaft, the lifting plate 1 is placed on the upright post 5, the frustum 501 of the upright post 5 enters the taper hole 101, the column lifting rings 7 are screwed into threaded holes of the frustum 501 from the top of the lifting plate 1, the three column lifting rings 7 are lifted by the lifting hooks to be placed in a carburizing quenching furnace, and the gear shaft is separated from the bottom surface of the furnace body under the support of the base and is suspended in the furnace body. The bolt holes with different sizes are arranged at the end parts of different gear shafts, different bolts 3 can be replaced and used, and meanwhile, the gaskets 2 with different gasket bolt holes 201 are matched and replaced, so that the gear shaft carburizing and charging tool is matched with gear shafts with different sizes, and the replacement and adaption cost is only the gaskets 2 and the bolts 3, so that the cost is low.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims (9)

1. Gear shaft carburization dress stove frock, its characterized in that: the lifting device comprises a lifting plate (1), bolts (3), upright posts (5) and lifting rings, wherein a plurality of upright posts (5) are vertically arranged, and the upright posts (5) are surrounded to form a space for accommodating a gear shaft; the hanging plate (1) is arranged at the upper end of the upright post (5), and a bolt (3) penetrating through the hanging plate (1) is arranged in the middle of the hanging plate (1); a limiting structure for limiting the upright post (5) to pass through the hanging plate (1) is arranged between the hanging plate (1) and the upright post (5); the hanging ring is connected with the upright post (5).

2. The gear shaft carburizing and charging tool according to claim 1, wherein: the limiting structure comprises a taper hole (101) and a frustum (501), wherein the taper hole (101) is formed in the hanger plate (1), the frustum (501) is formed in the top of the upright post (5), the diameter of the taper hole (101) is gradually reduced from bottom to top, the shape of the frustum (501) corresponds to that of the taper hole (101), and the frustum (501) is arranged in the taper hole (101).

3. The gear shaft carburizing and charging tool according to claim 2, wherein: the taper hole (101) penetrates through the hanging plate (1).

4. The gear shaft carburizing and charging tool according to claim 2, wherein: the hanging ring is connected to the top of the frustum (501).

5. The gear shaft carburizing and charging tool according to claim 4, wherein: the hanging ring is connected with the frustum (501) through threads.

6. The gear shaft carburizing and charging tool according to claim 1, wherein: the top of the hanging plate (1) is also provided with a hanging ring.

7. The gear shaft carburizing and charging tool according to claim 1, wherein: the lifting plate further comprises a gasket (2), the gasket (2) is arranged at the top of the lifting plate (1) and corresponds to the bolt (3), and the threaded end of the bolt (3) sequentially penetrates through the gasket (2) and the lifting plate (1).

8. The gear shaft carburizing and charging tool according to claim 7, wherein: the middle part of the hanger plate (1) is provided with a gasket groove (104), and the gasket (2) is arranged in the gasket groove (104).

9. The gear shaft carburizing and charging tool according to claim 1, wherein: the bottom of the upright post (5) is provided with a base ring (6), and the base ring (6) is connected with each upright post (5).