CN221274995U - Large gear shaft lifting device - Google Patents
Large gear shaft lifting device Download PDFInfo
- Publication number
- CN221274995U CN221274995U CN202322930257.4U CN202322930257U CN221274995U CN 221274995 U CN221274995 U CN 221274995U CN 202322930257 U CN202322930257 U CN 202322930257U CN 221274995 U CN221274995 U CN 221274995U
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- hook
- retainer ring
- lifting
- large gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000171 quenching effect Effects 0.000 abstract description 11
- 238000010791 quenching Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to a large gear shaft lifting device which comprises a hook and a retainer ring, wherein the hook is of an upper arch and axisymmetric strip-shaped structure, and two ends of the hook respectively extend inwards to form a hook part for hooking a gear shaft hanging scaffold; the retainer ring is arc-shaped, and two ends of the retainer ring are respectively connected to the same side surfaces of the two hook parts; when the axle neck of the gear shaft is abutted with the inner sides of the check rings, the center of the axle neck is positioned on the connecting line of the two hook parts, compared with the lifting tool of the large gear shaft in the prior art, the lifting tool has the advantages that the structure is complex, the stable lifting of the gear shaft is time-consuming, the quenching effect of the gear shaft is affected, the structure is simple, the large gear shaft can be lifted stably, the lifting operation is simple and quick, and the quenching effect of the gear shaft can be effectively ensured.
Description
Technical Field
The utility model relates to the technical field of metal material heat treatment, in particular to a large gear shaft lifting device.
Background
In order to control bending deformation, vertical tyre loading is generally adopted to enter a furnace, and the lifting problem in the furnace entering and exiting process needs to be solved. When the gear shaft temperature reaches more than 800 ℃ during the carburization tapping and quenching tapping, operators cannot operate at a close distance, so that the hoisting tool is required to be high in strength and reliability; meanwhile, in order to ensure the quenching effect of the gear shaft when the gear shaft is out of the furnace during quenching, the time interval from the gear shaft out of the furnace to the quenching medium is shortened as much as possible, and lifting is required to be fast and stable; in the prior art, the lifting appliance of the large gear shaft has a complex structure, and the stable lifting of the gear shaft is time-consuming, so that the quenching effect of the gear shaft is affected.
Disclosure of utility model
The utility model aims at: aiming at the problems that a lifting appliance of a large gear shaft in the prior art is complex in structure, the stable lifting of the gear shaft is time-consuming and the quenching effect of the gear shaft is affected, the large gear shaft lifting device is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The large gear shaft lifting device comprises a hook and a retainer ring, wherein the hook is of an upwardly arched and axisymmetric strip-shaped structure, and two ends of the hook respectively extend inwards to form a hook part for hooking a gear shaft hanging scaffold; the retainer ring is arc-shaped, and two ends of the retainer ring are respectively connected to the same side surfaces of the two hook parts; when the gear shaft journal is abutted with the inner side of the check ring, the center of the journal is positioned on the connecting line of the two hook parts.
According to the utility model, when the large gear shaft is required to be lifted, the lifting hook of the lifting equipment can be hung on the hanging hook of the lifting device, and then the lifting device is moved, so that the shaft neck of the gear shaft is abutted against the inner side of the retainer ring, and the lifting disc (namely the radially outwards protruding part on the gear shaft) of the gear shaft can be lifted when the two hook parts hook the lifting disc of the gear shaft; the check ring plays a role in auxiliary alignment, so that the central position of the shaft neck can be found more conveniently during lifting and offset is prevented, thereby ensuring stable lifting.
Further, a groove is formed in the highest position of the upper arch of the hook, and a lifting hook of the lifting equipment can be embedded into the groove; the lifting hook and the hook of the lifting device are ensured to be relatively fixed, the hook is prevented from shaking during lifting, and the lifting difficulty is increased.
Further, the top surfaces of the two hook parts face upwards and are both plane and coplanar; so set up, couple and the terminal surface laminating of gear shaft hanging scaffold are better, and it is more steady to hoist.
Further, the tops of the two hook parts are respectively provided with a supporting block, and the top surfaces of the two supporting blocks face upwards and are both plane and coplanar; the size of the supporting block is larger than that of the hook part in the width direction of the hook; through setting up supporting shoe and hanging scaffold terminal surface contact of above-mentioned structure for it is more steady reliable to hoist.
Further, the plane of the circle where the retainer ring is located is parallel to the top surface of the supporting block, a screw hole is formed in the outermost side of the retainer ring, an adjusting bolt along the radial direction of the circle where the retainer ring is located is installed in the screw hole, the head of the adjusting bolt faces outwards, and the rod portion penetrates through the screw hole; the inward extending distance of the adjusting bolt rod part can be adjusted according to the size of the gear shaft journal, so that when the gear shaft journal is abutted with the adjusting bolt on the inner side of the check ring, the center of the journal is positioned on the connecting line of the two hook parts; therefore, the center position of the gear shaft is quickly aligned when the gear shafts with different shaft neck sizes are lifted, and the lifting universality of the small-range internal gear shaft is realized.
The beneficial effects of the utility model are as follows: the structure is simple, the large gear shaft can be stably lifted, the lifting operation is simple and quick, and the quenching effect of the gear shaft can be effectively ensured; the center position of the gear shaft can be quickly aligned when the gear shafts with different shaft neck sizes are lifted, and the lifting universality of the small-range internal gear shaft is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the utility model mated with a hook.
The marks in the figure: the device comprises a hook 1, a supporting block 2, a check ring 3, an adjusting bolt 4, a hook part 5, a groove 6 and a lifting hook 7.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The embodiment of the utility model provides a large gear shaft lifting device, which comprises a hook 1 and a retainer ring 3, wherein the hook 1 is of an upwardly arched and axisymmetric strip-shaped structure, and two ends of the hook respectively extend inwards to form a hook part 5 for hooking a gear shaft hanging scaffold; the retainer ring 3 is arc-shaped, and two ends of the retainer ring are respectively connected to the same side surfaces of the two hook parts 5; when the shaft neck of the gear shaft is abutted against the inner side of the retainer ring 3, the center of the shaft neck is positioned on the connecting line of the two hook parts 5;
The highest arch position of the hook 1 is provided with a groove 6, and a lifting hook 7 of the lifting equipment can be embedded into the groove 6; the lifting equipment can be selected as a crane;
the top surfaces of the two hook parts 5 face upwards and are both plane and coplanar;
The tops of the two hook parts 5 are respectively provided with a supporting block 2, and the top surfaces of the two supporting blocks 2 face upwards and are both plane and coplanar; the size of the supporting block 2 is larger than that of the hook part 5 in the width direction of the hook 1;
the plane of the circle where the retainer ring 3 is located is parallel to the top surface of the supporting block 2, a screw hole is formed in the outermost side of the retainer ring 3, an adjusting bolt 4 along the radial direction of the circle where the retainer ring is located is installed in the screw hole, the head of the adjusting bolt faces outwards, and the rod portion penetrates through the screw hole.
According to the utility model adopting the technical scheme, when a large gear shaft is required to be lifted, the lifting hook 7 of the lifting equipment can be hung on the hook 1 of the lifting device, and then the lifting device is moved, so that the shaft neck of the gear shaft is abutted against the inner side of the retainer ring 3, and the lifting disc (namely the radially outwards protruding part on the gear shaft) of the gear shaft can be lifted when the two hook parts 5 are hooked; the retainer ring 3 plays an auxiliary alignment role, so that the central position of the shaft neck can be found more conveniently during lifting and offset is prevented, thereby ensuring stable lifting, compared with the problems that a lifting tool for lifting a large gear shaft stably is complex in structure, the gear shaft is time-consuming and the quenching effect of the gear shaft is affected in the prior art, the lifting tool has a simple structure, can lift the large gear shaft stably, has simple and quick lifting operation, and can effectively ensure the quenching effect of the gear shaft; meanwhile, through the arrangement of the adjusting bolts on the check rings, the center positions of the gear shafts with different shaft neck sizes are quickly aligned when the gear shafts are lifted, and the lifting universality of the small-range internal gear shafts is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a large-scale gear shaft hoisting accessory which characterized in that: the hanger comprises a hanger (1) and a retainer ring (3), wherein the hanger (1) is of an axisymmetric strip-shaped structure with an upper arch, and two ends of the hanger respectively extend inwards to form a hook part (5) for hooking a gear shaft hanging scaffold; the retainer ring (3) is arc-shaped, and two ends of the retainer ring are respectively connected to the same side surfaces of the two hook parts (5); when the shaft neck of the gear shaft is abutted against the inner side of the check ring (3), the center of the shaft neck is positioned on the connecting line of the two hook parts (5).
2. The large gear shaft lifting device of claim 1, wherein: the highest part of the upper arch of the hook (1) is provided with a groove (6), and a lifting hook (7) of the lifting equipment can be embedded into the groove (6).
3. The large gear shaft lifting device of claim 1, wherein: the top surfaces of the two hook parts (5) face upwards, are both plane and are coplanar.
4. The large gear shaft lifting device of claim 1, wherein: the tops of the two hook parts (5) are respectively provided with a supporting block (2), and the top surfaces of the two supporting blocks (2) face upwards and are both plane and coplanar; in the width direction of the hook (1), the size of the supporting block (2) is larger than that of the hook part (5).
5. The large gear shaft lifting device of claim 4, wherein: the plane of the circle where the retainer ring (3) is located is parallel to the top surface of the supporting block (2), a screw hole is formed in the outermost side of the retainer ring (3), an adjusting bolt (4) along the radial direction of the circle where the retainer ring is located is installed in the screw hole, the head of the adjusting bolt faces outwards, and the rod portion penetrates through the screw hole.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221274995U true CN221274995U (en) | 2024-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |