CN210799638U - Connecting device for rotating limit pin shaft - Google Patents
Connecting device for rotating limit pin shaft Download PDFInfo
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- CN210799638U CN210799638U CN201921438740.8U CN201921438740U CN210799638U CN 210799638 U CN210799638 U CN 210799638U CN 201921438740 U CN201921438740 U CN 201921438740U CN 210799638 U CN210799638 U CN 210799638U
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- plane
- pin shaft
- matching section
- shaft body
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Abstract
This connecting device of rotatory spacing round pin axle includes: spacing round pin axle, spring and limiting plate, spacing round pin axle includes: a pin shaft body and a pin shaft handle vertically connected with the pin shaft body, wherein an assembly long plane along the length direction of the pin shaft body is arranged on the circumference of the matching section, the assembling long plane extends from the end part close to the matching section to the tool withdrawal groove, the circumference of the matching section is also provided with a clamping short plane along the length direction of the pin shaft body, the clamping short plane extends from the tool withdrawal groove along the length direction of the matching section, the vertical distances from the axis of the pin shaft body to the assembling long plane and the clamping short plane are equal, and is equal to the radius of the tool withdrawal groove, the matching section penetrates into connecting holes in the U-shaped piece and the connected piece, the limiting plate is fixed at the outer side of the U-shaped piece through at least three bolts, a square groove is arranged in the limiting plate, under the assembled state, the square groove card is equipped with the spring at the tip of the chucking short plane of cooperation section between limiting plate and boss at the cooperation section, and the device solves the difficult problem of big weight round pin hub connection dismouting.
Description
Technical Field
The utility model belongs to the technical field of U type connecting piece such as metallurgical hoist, shackle, when having related to hoist and mount type operation, quick, the frequent dismouting of connecting piece. In particular to a connecting device of a rotary limit pin shaft.
Background
At present, some large-scale workpieces are hoisted, field engineering construction and military products are hoisted, the hoisting points are frequently disassembled, the hoisting point connecting shaft is required to be quickly disassembled and assembled, the connecting shaft cannot fall or be lost, and the pin shaft body must be positioned and clamped after connection; for the heavy pin shaft body, pull out wholly, assemble again, still need appurtenance, it is more difficult when the high altitude construction that takes time to take a lot of work.
Disclosure of Invention
The utility model aims to solve the problem that the existing rotating pin shaft is not easy to disassemble, and provides a connecting device of a rotating limit pin shaft, which can realize quick disassembly and assembly and has the function of positioning and locking the connecting function of the pin shaft, and the pin shaft body is not separated from a U-shaped part; the dead function of round pin axle body locator card prevents that spacing round pin axle accident is rotatory to be deviate from after connecting, prevents simultaneously that spacing round pin axle from falling and losing, avoids the whole pull-out of big weight round pin axle body, and the difficulty of reassembling reaches improvement work efficiency, guarantees safety.
The utility model discloses a connecting device of rotatory spacing round pin axle, this connecting device of rotatory spacing round pin axle includes: spacing round pin axle, spring and limiting plate, above-mentioned spacing round pin axle penetrate U type spare and by the connecting hole in the connecting piece in, link together U type spare with by the connecting piece, wherein: the spacing round pin axle includes: the pin shaft body is provided with a matching section, a tool withdrawal groove, a spring mounting section and a boss in sequence from the end part, an assembling long plane along the length direction of the pin shaft body is arranged on the circumference of the matching section, the assembling long plane extends from the end part close to the matching section until the tool withdrawal groove, a clamping short plane along the length direction of the pin shaft body is also arranged on the circumference of the matching section, the clamping short plane extends along the length direction of the matching section from the tool withdrawal groove, the vertical distances from the axis of the pin shaft to the assembling long plane and the clamping short plane are equal and equal to the radius of the tool withdrawal groove, the distance between the assembling long plane and the clamping short plane is 45-180 degrees on the circumference of the matching section, the matching section penetrates into a connecting hole in the U-shaped part and a connected part, a limiting plate is fixed on the outer side of the U-shaped part through at least three bolts, and a square groove is arranged in the limiting plate, in an assembly state, the square groove is clamped at the end part of the clamping short plane of the matching section, and a spring is arranged between the limiting plate and the boss.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: the length of the clamping short plane is larger than or equal to the thickness of the limiting plate.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: on the circumference of the fitting section, the fitting long plane is 90 ° from the chucking short plane.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: the diameter of the tool withdrawal groove is smaller than the diameter of the matching section and the diameter of the spring mounting section, and the diameter of the boss is larger than the diameter of the spring mounting section.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: the thickness of the limiting plate is smaller than the width of the tool withdrawal groove.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: the width of the square groove is larger than the diameter of the matching section by 0.3mm to 5 mm.
The utility model discloses a connecting device of rotatory spacing round pin axle, wherein: along the length direction of the matching section, the minimum vertical distance from the end part of the matching section to the assembling long plane is larger than the thickness of the connecting hole of the U-shaped part, and the length of the assembling long plane is larger than the thickness of the connected part.
The utility model discloses a connecting device of rotatory spacing round pin axle compares with current round pin axle and has following advantage:
1. the practicality is strong, not only adapts to the connection of the hanging point of the double lug plates of the hanging beam, but also is suitable for the connection and fixation of single shackle products and various U-shaped fork lug types.
2. Simple structure, safe and reliable, the round pin axle is difficult for losing and is deviate from, more is applicable to high altitude construction product, field usage product hoist and mount and dismantles frequent condition.
3. The utility model discloses a connecting device of rotatory spacing round pin axle's novel project organization has solved the difficult problem of big weight round pin hub connection dismouting, has improved work efficiency.
Drawings
Fig. 1 is a schematic front sectional view of a connecting device of a rotation limiting pin shaft of the present invention;
FIG. 2 is a side schematic view of FIG. 1;
FIG. 3 is an enlarged schematic view of a spacing pin;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is an enlarged schematic forward view of the limiting plate.
In fig. 1 to 5, reference numeral 1 is a limit pin; reference numeral 2 is a pin body; the number 3 is a boss; reference numeral 4 is a spring; reference numeral 5 is a limit plate; reference numeral 6 is a U-shaped member; reference numeral 7 is a connected member; reference numeral 8 is an assembly long plane; reference numeral 9 is a bolt; reference numeral 10 is a pin shank; reference numeral 11 is a relief groove; reference numeral 12 is a chucking short plane; reference numeral 13 is a spring-loaded section; reference numeral 14 is a mating segment; reference numeral 15 denotes a square groove.
Detailed Description
As shown in fig. 1 and fig. 2, the connecting device of the rotation limiting pin shaft of the present invention includes: the limiting pin shaft 1 penetrates through connecting holes in the U-shaped part 6 and the connected part 7, and the U-shaped part 6 and the connected part 7 are connected together.
As shown in fig. 3, the limit pin 1 includes: the pin shaft body 2 and the pin shaft handle 10 vertically connected with the pin shaft body 2, the pin shaft body 2 sequentially comprises a matching section 14, a tool withdrawal groove 11, a spring mounting section 13 and a boss 3 from the end part, the diameter of the tool withdrawal groove 11 is smaller than that of the matching section 14 and that of the spring mounting section 13, the diameter of the boss 3 is larger than that of the spring mounting section 13, an assembly long plane 8 along the length direction of the pin shaft body 2 is arranged on the circumference of the matching section 14, the assembly long plane 8 extends from the end part close to the matching section 14 to the tool withdrawal groove 11, the minimum vertical distance from the end part of the matching section 14 to the assembly long plane 8 is larger than the thickness of a connecting hole of a U-shaped part 6, and the length of the assembly long plane 8 is larger than the thickness of a connected part. And a clamping short plane 12 along the length direction of the pin shaft body 1 is arranged on the circumference of the matching section 14, the clamping short plane 12 extends from the tool withdrawal groove 11 along the length direction of the matching section 14, and the length of the clamping short plane 12 is greater than or equal to the thickness of the limiting plate 5. The perpendicular distances from the axis of the pin body 2 to the assembly long plane 8 and the clamping short plane 12 are equal and equal to the radius of the relief groove 11, and the assembly long plane 8 is at a distance of 45 ° to 180 ° from the clamping short plane 12 on the circumference of the fitting section 14, for example: as shown in fig. 4, the fitting long flat surface 8 is spaced 90 ° from the chucking short flat surface 12, as shown in fig. 1, the fitting section 14 penetrates into the coupling hole in the U-shaped member 6 and the coupled member 7,
as shown in fig. 1, 2 and 5, the limiting plate 5 is fixed on the outer side of the U-shaped part 6 through at least three bolts 9, the thickness of the limiting plate 5 is smaller than the width of the tool withdrawal groove 11, a square groove 15 is arranged in the limiting plate 5, and the width of the square groove 15 is larger than the diameter of the matching section 14 by 0.3mm to 5 mm. In the assembled state, the square groove 15 is clamped at the end of the clamping short plane 12 of the matching section 14, and the spring 4 is arranged between the limiting plate 5 and the boss 3.
When the connected piece is assembled, the spring 4 is firstly installed from the end part of the matching section 14, then the large assembling plane 8 of the matching section 14 of the pin shaft body 2 is rotated to the lowest end of the connecting hole of the connected piece 7, the matching section 14 of the pin shaft body 2 penetrates through the connecting hole of the U-shaped piece 6 and the connected piece 7, then the limiting plate 5 is inserted into the tool withdrawal groove 11 from the lower end of the pin shaft body 2, at this time, the square groove 15 of the limiting plate 5 and the large assembling plane are in the same horizontal plane, the spring 4 is installed between the boss 3 and the limiting plate 5, then an operator holds the pin shaft handle 10, moves the pin shaft body 2 outwards for a certain distance and rotates the pin shaft body 2 anticlockwise to a position of 90 degrees, so that the square groove 15 of the limiting plate 5 is clamped at the end part of the short clamping plane 12 of the matching section 14, the pin shaft body 2.
When the connected piece 7 is detached, the pin shaft handle 10 is held, the spring 4 is pressed inwards, the spring 4 is compressed, the square groove 15 of the limiting plate 5 is located in the tool withdrawal groove of the pin shaft body 2, the pin shaft handle 10 is pulled at the moment, the pin shaft body 2 is rotated clockwise to 90 degrees, the large assembly plane 8 of the pin shaft body 2 and the square groove 15 of the limiting plate 5 are located on the same horizontal plane, then the pin shaft body 2 is pulled out until the end face of the large assembly plane 8 is flush with the connecting hole of the U-shaped piece 6, but the pin shaft body 2 cannot be completely pulled out of the U-shaped piece 6, the limiting plate 5 is in contact with the end face of the large assembly plane 8 to achieve limiting, and the connected.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. A kind of junction device which rotates the limit pin, this junction device which rotates the limit pin includes: spacing round pin axle (1), spring (4) and limiting plate (5), above-mentioned spacing round pin axle (1) penetrate U type spare (6) and by the connecting hole in connecting piece (7), with U type spare (6) with link together by connecting piece (7), its characterized in that: spacing round pin axle (1) includes: the pin shaft body (2) is sequentially provided with a matching section (14), a tool withdrawal groove (11), a spring loading section (13) and a boss (3) from the end part, the pin shaft body (2) is provided with an assembling long plane (8) along the length direction of the pin shaft body (2) on the circumference of the matching section (14), the assembling long plane (8) extends to the tool withdrawal groove (11) from the end part close to the matching section (14), a clamping short plane (12) along the length direction of the pin shaft body (2) is further arranged on the circumference of the matching section (14), the clamping short plane (12) extends along the length direction of the matching section (14) from the tool withdrawal groove (11), the vertical distances from the axis of the pin shaft body (2) to the assembling long plane (8) and the clamping short plane (12) are equal, and are equal to the radius of the tool withdrawal groove (11), on the circumference at cooperation section (14), assembly long plane (8) and chucking short plane (12) are 45 to 180 apart from each other, cooperation section (14) penetrate U type spare (6) and by in the connecting hole in connecting piece (7), limiting plate (5) are fixed in the outside of U type spare (6) through at least three bolt (9), there is a square groove (15) in limiting plate (5), under the assembled state, square groove (15) card is at the tip of the chucking short plane (12) of cooperation section (14), be equipped with spring (4) between limiting plate (5) and boss (3).
2. The connecting device for a rotation-limiting pin according to claim 1, wherein: the length of the clamping short plane (12) is larger than or equal to the thickness of the limiting plate (5).
3. The apparatus of claim 2, wherein: the fitting long plane (8) is located at a distance of 90 DEG from the clamping short plane (12) on the circumference of the fitting section (14).
4. A connection device for a rotation-limiting pin according to claim 3, characterized in that: the diameter of the tool withdrawal groove (11) is smaller than the diameter of the matching section (14) and the diameter of the spring-loading section (13), and the diameter of the boss (3) is larger than the diameter of the spring-loading section (13).
5. The apparatus for connecting a rotation-limiting pin according to claim 4, wherein: the thickness of the limiting plate (5) is smaller than the width of the tool withdrawal groove (11).
6. The apparatus of claim 5, wherein: the width of the square groove (15) is larger than the diameter of the matching section (14) by 0.3mm to 5 mm.
7. The apparatus of claim 6, wherein: along the length direction of the matching section (14), the minimum vertical distance from the end part of the matching section (14) to the assembling long plane (8) is larger than the thickness of the connecting hole of the U-shaped part (6), and the length of the assembling long plane (8) is larger than the thickness of the connected part (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438740.8U CN210799638U (en) | 2019-09-02 | 2019-09-02 | Connecting device for rotating limit pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438740.8U CN210799638U (en) | 2019-09-02 | 2019-09-02 | Connecting device for rotating limit pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799638U true CN210799638U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921438740.8U Active CN210799638U (en) | 2019-09-02 | 2019-09-02 | Connecting device for rotating limit pin shaft |
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| CN (1) | CN210799638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251887A (en) * | 2020-10-17 | 2021-01-22 | 龙山县叶氏民族工艺有限公司 | Brocade weaving equipment and warp rolling component thereof |
-
2019
- 2019-09-02 CN CN201921438740.8U patent/CN210799638U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251887A (en) * | 2020-10-17 | 2021-01-22 | 龙山县叶氏民族工艺有限公司 | Brocade weaving equipment and warp rolling component thereof |
| CN112251887B (en) * | 2020-10-17 | 2022-05-06 | 龙山县叶氏民族工艺有限公司 | Brocade weaving equipment and warp rolling component thereof |
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