CN219213007U - Frock is dismantled to round pin axle unilateral - Google Patents
Frock is dismantled to round pin axle unilateral Download PDFInfo
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- CN219213007U CN219213007U CN202320174995.8U CN202320174995U CN219213007U CN 219213007 U CN219213007 U CN 219213007U CN 202320174995 U CN202320174995 U CN 202320174995U CN 219213007 U CN219213007 U CN 219213007U
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- pin shaft
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- bolt
- supporting sleeve
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Abstract
The utility model discloses a pin shaft single-side disassembling tool, and relates to the technical field of industry. The pin shaft single-side dismounting tool comprises a supporting sleeve and a pin shaft connecting device, wherein an extending bolt is fixed at the central position of the pin shaft connecting device, penetrates through a central hole of an end plate of the supporting sleeve, and is connected with a screwing nut through threads outside the hole. The whole body formed by the extending bolt and the pin shaft connecting device is accommodated in the cylinder of the supporting sleeve, and the aperture of the central hole of the end plate of the supporting sleeve is larger than the external thread of the extending bolt and smaller than the outer diameter of the screwing nut. The utility model can stably and reliably realize the single-side disassembly of various types of pin shafts, has high working efficiency, saves labor, is portable, and has simple and easily obtained components; the device is always connected with the pin shaft in the disassembling process, so that the danger caused by falling and rolling of the pin shaft is avoided, and the safety of workers is ensured.
Description
Technical Field
The utility model relates to the technical field of industry, in particular to a pin shaft single-side dismounting tool.
Background
Most of crane structures are provided with mechanisms such as pulleys, carrier rollers, travelling mechanisms and the like, and the pin shafts are inevitably disassembled and assembled in the maintenance of the mechanisms. The disassembly of the pin shaft can be realized by a large force, and the disassembly force is mainly provided by a manual impact or hydraulic mode at present. The manual impact disassembly scheme has high labor intensity, the hydraulic disassembly and assembly require the cooperation of a driving mechanism, the two schemes are all required to take the fact that the two sides of the pin shaft are provided with larger operation spaces as the premise, and when the space on one side of the pin shaft is limited, the two disassembly modes have the problem of difficult construction. Meanwhile, the safety of operators cannot be guaranteed due to the fact that the pin shaft is too heavy.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a pin shaft single-side dismounting tool, which adopts a drawing mode to dismount the pin shaft, is light and convenient, and is always connected with the pin shaft in the dismounting process, so that the safety of workers is ensured.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
on one hand, the utility model provides a single-side disassembling tool for a pin shaft, which comprises a supporting sleeve and a pin shaft connecting device, wherein an extending bolt is fixed at the central position of the pin shaft connecting device, penetrates through a central hole of an end plate of the supporting sleeve, and is connected with a screwing nut through threads outside the hole;
the supporting sleeve is of a hollow cylindrical structure, one end face is an end plate with a central hole, the other end face is open, an observation window is formed in the side wall of the cylindrical structure, and a handle is arranged outside the side wall;
the pin shaft connecting device is of a hollow cylindrical structure, one end face is a cover plate with a central opening, a plurality of outer Zhou Kaikong are additionally arranged on the cover plate, the outer Zhou Kaikong are circumferentially distributed on the periphery of the central opening, and the other end face is open;
the outer diameter of the pin shaft connecting device is smaller than that of the detached pin shaft, the pin shaft connecting device is connected with the pin shaft through a plurality of bolts, the bolts penetrate through the outer Zhou Kaikong, and the threaded parts extend into the pin shaft;
the diameter of the threaded part of the extending bolt is smaller than the central opening of the cover plate of the pin shaft connecting device, the diameter of the bolt head of the extending bolt is larger than the central opening of the cover plate of the pin shaft connecting device, and the extending bolt is arranged from the inner side of the cylinder of the pin shaft connecting device, so that the threaded part passes through the central opening of the cover plate of the pin shaft connecting device and extends out of the cover plate;
the extending bolt and the pin shaft connecting device are locked and fixed through a locking nut group;
the whole formed by the extending bolt and the pin shaft connecting device is accommodated in the cylinder of the supporting sleeve, the threaded part of the extending bolt extends out of the end plate through the center hole of the end plate of the supporting sleeve, and the threaded part outside the end plate is provided with a screwing nut; the external thread of the extending bolt corresponds to the size specification of the internal thread of the screwing nut, and the aperture of the central hole of the end plate of the supporting sleeve is slightly larger than the external thread of the extending bolt and smaller than the outer diameter of the screwing nut.
On the other hand, the application method of the pin shaft single-side dismounting tool is as follows.
(1) Installing an extension bolt from the inner side of a cylinder of the pin shaft connecting device, enabling a threaded part to penetrate through a central opening of a cover plate of the pin shaft connecting device, extending out of the cover plate, and locking and fixing the extension bolt and the pin shaft connecting device through a locking nut group;
(2) The pin shaft connecting device is arranged on the end face of the pin shaft, a bolt is arranged on the outer side of the cylinder body of the pin shaft connecting device, penetrates through the outer Zhou Kaikong and is screwed into a screw hole corresponding to the end face of the pin shaft;
(3) Installing a supporting sleeve, buckling a cylinder body of the supporting sleeve outside the pin shaft connecting device, enabling a threaded part of the extending bolt to extend out of the supporting sleeve through a central hole of the end plate, and installing a screwing nut on the outer side of the end plate;
(4) The screw nut is continuously screwed on the outer side of the supporting sleeve, the pin shaft is driven to outwards draw through the extending bolt and the pin shaft connecting device, the internal drawing state is observed through the observation window, and when the drawing length is larger than the pin shaft length, or the drawing length enables the moving resistance of the pin shaft to be small enough, the operation of detaching the single side of the shaft is completed.
The beneficial effects of the utility model are as follows:
1. the utility model can stably and reliably realize the unilateral disassembly of various types of pin shafts, has high working efficiency, saves labor, has portable equipment and simple and easily obtained used components.
2. The device is always connected with the pin shaft in the disassembling process, so that the danger caused by falling and rolling of the pin shaft is avoided, and the safety of workers is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
Fig. 1 is a connection schematic diagram of the pin single-side dismounting tool in embodiment 1.
Fig. 2 is an exploded view of the pin single-sided disassembly tool in embodiment 1.
Fig. 3 is a connection schematic diagram of the pin single-side dismounting tool in embodiment 2.
Wherein, 1, a supporting sleeve, 11, an end plate, 2, a pin shaft connecting device, 21, a cover plate, 22 and an outer Zhou Kaikong, 3, extending out a bolt, 4, screwing a nut, 5, a pin shaft, 6, a lock nut group, 7, a cushion block, 8 and a pin shaft support.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Example 1:
the embodiment provides a single-side disassembling tool for a pin shaft, which comprises a supporting sleeve 1 and a pin shaft connecting device 2, wherein an extending bolt 3 is fixed at the central position of the pin shaft connecting device 2, the extending bolt 3 penetrates through a central hole of an end plate 11 of the supporting sleeve 1, and is connected with a screwing nut 4 through threads outside the hole;
the supporting sleeve 1 is of a hollow cylindrical structure, one end face is an end plate 11 with a central hole, the other end face is open, an observation window is formed in the side wall of the cylindrical structure, and a handle is arranged outside the side wall;
preferably, the length of the supporting sleeve 1 is greater than or equal to the length of the pin shaft 5, the length of the threaded part of the extending bolt 3 is greater than or equal to the length of the supporting sleeve 1, and preferably, the inner side of the end plate 11 is provided with a reinforcing rib;
the pin shaft connecting device 2 is of a hollow cylindrical structure, one end face is a cover plate 21, a central position is provided with holes, a plurality of peripheral holes 22 are formed in the cover plate 21, the peripheral circumferences of the central holes are distributed, and the other end face is open;
the outer diameter of the pin shaft connecting device 2 is smaller than that of the detached pin shaft 5, the pin shaft connecting device 2 is connected with the pin shaft 5 through a plurality of bolts, the bolts penetrate through the outer Zhou Kaikong, and the threaded parts extend into the pin shaft 5;
preferably, the end face of the pin shaft 5 is tapped with threaded holes in advance, the distribution mode is consistent with that of the outer Zhou Kaikong, and the size of the threaded holes is consistent with that of the bolts;
the diameter of the thread part of the extending bolt 3 is smaller than the central opening of the cover plate 21 of the pin shaft connecting device, the diameter of the bolt head of the extending bolt 3 is larger than the central opening of the cover plate 21 of the pin shaft connecting device 2, the extending bolt 3 is arranged from the inner side of the cylinder of the pin shaft connecting device 2, the thread part passes through the central opening of the cover plate 21 of the pin shaft connecting device and extends out of the cover plate 21;
preferably, the thickness of the bolt head of the extension bolt 3 is smaller than the length of the cylinder of the pin shaft connecting device 2;
the extending bolt 3 and the pin shaft connecting device 2 are locked and fixed through a locking nut group 6;
the whole formed by the extending bolt 3 and the pin shaft connecting device 2 is accommodated in the cylinder of the supporting sleeve 1, the threaded part of the extending bolt 3 extends out of the end plate 11 through the center hole of the end plate 11 of the supporting sleeve 1, and the threaded part outside the end plate 11 is provided with the screwing nut 4; the external thread of the extending bolt 3 corresponds to the size specification of the internal thread of the screwing nut, and the aperture of the central hole of the end face cover plate 11 of the supporting sleeve is slightly larger than the external thread of the extending bolt 3 and smaller than the outer diameter of the screwing nut 4.
Example 2:
the embodiment provides a use method of the pin shaft single-side dismounting tool in the embodiment 1. The method comprises the following specific steps:
(1) Mounting the extension bolt 3 from the inner side of the cylinder of the pin shaft connecting device 2, enabling the threaded part to penetrate through the central opening of the cover plate 21 of the pin shaft connecting device 2, extending out of the cover plate 21, and locking and fixing the extension bolt 3 and the pin shaft connecting device 2 through the locking nut group 6;
(2) The pin shaft connecting device 2 is arranged on the end face of the pin shaft 5, bolts are used on the outer side of the cover plate 21 of the pin shaft connecting device, the bolts penetrate through the outer Zhou Kaikong and are screwed into screw holes corresponding to the end face of the pin shaft 5;
preferably, since the thickness of the bolt head of the extension bolt 3 is smaller than the length of the cylinder body of the pin shaft connecting device 2, the extension bolt 3 is not contacted with the end face of the pin shaft 5, so as to protect the position of the oil nozzle and improve the fastening degree of the bolt connection;
(3) Mounting a support sleeve 1, buckling a cylinder body of the support sleeve 1 outside the pin shaft connecting device 2, enabling a threaded part of the extension bolt 3 to extend out of the support sleeve 1 through a central hole of the end plate 11, and mounting a screwing nut 4 outside the end plate 11;
preferably, the support sleeve 1 is supported on the equipment structural member at the periphery of the pin 5, and further preferably, the support sleeve 1 is isolated from the pin support 8 by using a cushion block 7, as shown in fig. 3;
(4) The screw nut 4 is continuously screwed on the outer side of the supporting sleeve 1, the pin shaft 5 is driven to be pulled outwards through the extending bolt 3 and the pin shaft connecting device 2, the internal pulling state is observed through the observation window, and when the pulling length is larger than the length of the pin shaft 5 or the pulling length enables the moving resistance of the pin shaft 5 to be small enough, the operation of detaching the single side of the shaft is completed;
preferably, an antifriction is added between the threaded nut 4 and the end face of the support sleeve 1 to reduce the threading resistance.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (8)
1. The single-side disassembling tool for the pin shaft is characterized by comprising a supporting sleeve and a pin shaft connecting device, wherein an extending bolt is fixed at the central position of the pin shaft connecting device, penetrates through a central hole of an end plate of the supporting sleeve, and is connected with a screwing nut through threads outside the hole;
the pin shaft connecting device is of a hollow cylindrical structure, one end face is a cover plate with a central opening, a plurality of outer Zhou Kaikong are additionally arranged on the cover plate, the outer Zhou Kaikong are circumferentially distributed on the periphery of the central opening, and the other end face is open;
the outer diameter of the pin shaft connecting device is smaller than that of the detached pin shaft, the pin shaft connecting device is connected with the pin shaft through a plurality of bolts, the bolts penetrate through the outer Zhou Kaikong, and the threaded parts extend into the pin shaft.
2. The pin unilateral disassembly tool according to claim 1, wherein the supporting sleeve is of a hollow cylindrical structure, one end face is an end plate with a hole in the center, the other end face is open, the side wall of the cylindrical structure is provided with an observation window, and a handle is arranged outside the side wall.
3. The pin single-side disassembly tool according to claim 2, wherein the length of the supporting sleeve is greater than or equal to that of the pin, the length of the threaded portion of the extending bolt is greater than or equal to that of the supporting sleeve, and the reinforcing ribs are arranged on the inner side of the end plate.
4. The pin single-side disassembly tool according to claim 1, wherein threaded holes are tapped in advance on the pin end face, the distribution mode is consistent with that of the peripheral open holes, and the size of the threaded holes is consistent with that of the bolts.
5. The tool for disassembling a single side of a pin shaft according to claim 1, wherein the diameter of the threaded portion of the protruding bolt is smaller than the central opening of the cover plate of the pin shaft connecting device, the diameter of the bolt head of the protruding bolt is larger than the central opening of the cover plate of the pin shaft connecting device, the protruding bolt is installed from the inside of the cylinder of the pin shaft connecting device, and the threaded portion passes through the central opening of the cover plate of the pin shaft connecting device and protrudes out of the cover plate.
6. The pin unilateral disassembly tooling of claim 5, wherein the thickness of the bolt head extending out of the bolt is less than the length of the barrel of the pin connection device.
7. The pin unilateral disassembly tool of claim 5, wherein the extension bolt and the pin connection device are locked and fixed by a lock nut set.
8. The pin single-side disassembly tool according to claim 1, wherein the whole body formed by the extension bolt and the pin connecting device is accommodated in a cylinder of the supporting sleeve, a threaded part of the extension bolt extends out of the end plate through a central hole of the end plate of the supporting sleeve, and a screwing nut is arranged on the threaded part out of the end plate; the external thread of the extending bolt corresponds to the size specification of the internal thread of the screwing nut, and the aperture of the central hole of the end plate of the supporting sleeve is larger than the external thread of the extending bolt and smaller than the outer diameter of the screwing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320174995.8U CN219213007U (en) | 2023-02-03 | 2023-02-03 | Frock is dismantled to round pin axle unilateral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320174995.8U CN219213007U (en) | 2023-02-03 | 2023-02-03 | Frock is dismantled to round pin axle unilateral |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219213007U true CN219213007U (en) | 2023-06-20 |
Family
ID=86733731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320174995.8U Active CN219213007U (en) | 2023-02-03 | 2023-02-03 | Frock is dismantled to round pin axle unilateral |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219213007U (en) |
-
2023
- 2023-02-03 CN CN202320174995.8U patent/CN219213007U/en active Active
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