CN211310632U - Improved structure for assembling pin shaft - Google Patents
Improved structure for assembling pin shaft Download PDFInfo
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- CN211310632U CN211310632U CN201921869084.7U CN201921869084U CN211310632U CN 211310632 U CN211310632 U CN 211310632U CN 201921869084 U CN201921869084 U CN 201921869084U CN 211310632 U CN211310632 U CN 211310632U
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- pin
- main
- lug plate
- gasket
- shaft
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Abstract
The utility model relates to an improved structure for assembling a pin shaft, which comprises a pin shaft main body, wherein the pin shaft main body consists of a half auxiliary pin and a main pin, the pin shaft body is sequentially connected with a first outer double-lug plate, an inner single-lug plate and a second outer double-lug plate in a penetrating way from left to right, the left end of the main pin is also fixedly connected with a knocking head, the inner part of the main pin is provided with an internal threaded hole, the right ends of the semi-auxiliary pin and the main pin are provided with an upper retainer ring, an anti-rotation gasket is arranged on the right side of the upper retaining ring, a bidirectional butterfly elastic washer is arranged on the right side of the anti-rotation gasket, the right side of the bidirectional butterfly-shaped elastic washer is provided with the rubber washer, the right side of the rubber washer is provided with the fastening bolt, so that the installation is labor-saving, the aerial operation of workers is convenient, under the condition of no axial force, the main shaft and the auxiliary shaft do not displace in use, the fit clearance is not changed, and the structure is stable after the installation is finished.
Description
Technical Field
The utility model relates to an improvement structure of round pin axle assembly belongs to hoist equipment field.
Background
As a hoisting machine, a tower crane adopts pin shaft connection at a plurality of positions, and the matching requirements of some positions are higher, as shown in figure 3, a first outer double-lug plate 3, a second outer double-lug plate 4 and an inner single-lug plate 2 are connected into a whole through a pin shaft main body 1, according to the product requirements, holes and shafts adopt tight matching, the matching clearance of the holes and the shafts is very small, particularly for an ultra-large tower crane, the shaft diameter of the matching holes is basically above D100, and the length of the combination is also longer, the design has the main problems that as the hole diameters of the first outer double-lug plate 3 and the second outer double-lug plate 4 are larger, if the hole is matched with the pin shaft with tight tolerance, and meanwhile, the pin shaft is very difficult to install, and as the tower crane is installed in the air, workers cannot exert force in the air, the pin shaft cannot be installed, if the hole and the pin shaft clearance are increased, the design and matching requirements cannot be met, so that the structure of the large tower crane needs to be changed in a pin shaft connection mode and needs to be in tight fit.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides an improvement structure of round pin axle assembly, and comparatively laborsaving during the installation makes things convenient for the aerial operation of staff, and under the axial force condition not, main shaft and countershaft in use do not take place the displacement, and the fit clearance can not change, and the installation is accomplished the back structure and is comparatively stable, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the improved structure of the pin shaft assembly comprises a pin shaft main body, wherein the pin shaft main body is composed of a half auxiliary pin and a main pin, a first outer double-lug plate, an inner single-lug plate and a second outer double-lug plate are sequentially connected to the pin shaft main body in a penetrating manner from left to right, a knocking head is fixedly connected to the left end of the main pin, an inner threaded hole is formed in the main pin, an upper retainer ring is installed at the right ends of the half auxiliary pin and the main pin, an anti-rotating gasket is arranged on the right side of the upper retainer ring, a bidirectional butterfly elastic gasket is arranged on the right side of the anti-rotating gasket, a rubber gasket is arranged on the right side of the bidirectional butterfly elastic gasket, a fastening bolt is arranged on the right side of the rubber gasket, and the fastening bolt sequentially penetrates through the rubber gasket, the bidirectional butterfly elastic gasket, the anti.
Furthermore, the joint of the semi-auxiliary pin and the main pin is provided with matching teeth.
Further, the joint of the semi-auxiliary pin and the main pin is provided with inclined surfaces which are matched with each other.
Further, the upper retainer ring is in transition fit connection with the main pin.
Furthermore, the semi-auxiliary pin and the main pin are respectively provided with a through hole matched with the first outer double-lug plate, the inner single-lug plate and the second outer double-lug plate.
Furthermore, the bidirectional butterfly elastic washer, the anti-rotation gasket and the upper retaining ring are all provided with through holes for the fastening bolts to pass through.
The utility model discloses beneficial effect: the utility model provides an improved structure of round pin axle assembly, is through dividing into half pair round pin and king pin two parts with the round pin axle construction, and round pin axle and hole adopt tighter little fit clearance during the simultaneous design, and is comparatively laborsaving during the installation, makes things convenient for workman's aerial operation, runs through rubber packing ring, two-way butterfly elastic washer, anti-rotation gasket, last shelves circle threaded connection internal thread hole from the right side left in proper order through fastening bolt, can effectively realize fastening fixed after the installation, and the structure is more stable.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is an exploded view of an improved structure of the pin shaft assembly of the present invention.
Fig. 2 is the utility model relates to an improvement structure round pin axle main part structure picture of round pin axle assembly.
Fig. 3 is a non-modified front structure diagram of the pin shaft assembly of the present invention.
Reference numbers in the figures: 1. a pin shaft main body; 2. an inner single ear plate; 3. a first outer binaural panel; 4. a second outer binaural panel; 5. a semi-secondary pin; 6. a kingpin; 7. an internally threaded bore; 8. an upper retainer ring; 9. an anti-rotation spacer; 10. a bidirectional butterfly-shaped elastic washer; 11. a rubber gasket; 12. fastening a bolt; 13. A striking head; 14. a through hole.
Detailed Description
The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.
Example 1
As shown in fig. 1-2, an improved structure for assembling a pin shaft comprises a pin shaft body 1, wherein the pin shaft body 1 is composed of a half-pair pin 5 and a main pin 6, a first outer double-lug plate 3, an inner single-lug plate 2 and a second outer double-lug plate 4 sequentially penetrate through the pin shaft body 1 from left to right, a beating head 13 is further fixedly connected to the left end of the main pin 6, an inner threaded hole 7 is formed in the main pin 6, an upper baffle ring 8 is mounted at the right ends of the half-pair pin 5 and the main pin 6, an anti-rotation gasket 9 is arranged at the right side of the upper baffle ring 8, a bidirectional elastic butterfly gasket 10 is arranged at the right side of the anti-rotation gasket 9, a rubber gasket 11 is arranged at the right side of the bidirectional elastic butterfly gasket 10, a fastening bolt 12 is arranged at the right side of the rubber gasket 11, the bidirectional elastic butterfly gasket 10, the anti-rotation gasket 9 and the fastening bolt 12, The upper retainer ring 8 is screwed on the internal thread hole 7.
In the embodiment, the joint of the semi-secondary pin 5 and the main pin 6 is provided with matching teeth.
In the embodiment, the joint of the semi-secondary pin 5 and the main pin 6 is provided with inclined surfaces which are matched with each other.
In this embodiment, the upper ring 8 and the main pin 6 are in transition fit connection.
In this embodiment, the semi-secondary pin 5 and the main pin 6 are provided with through holes 14 matching with the first outer double-lug plate 3, the inner single-lug plate 2 and the second outer double-lug plate 4.
In this embodiment, the bidirectional butterfly elastic washer 10, the anti-rotation gasket 9, and the upper retaining ring 8 are all provided with through holes for passing fastening bolts 12.
Example 2
The joint of the semi-auxiliary pin 5 and the main pin 6 is provided with matching teeth which are self-locking conical teeth, the main pin 5 and the semi-auxiliary pin 4 adopt self-locking conicity, the main shaft and the semi-auxiliary shaft do not displace in use under the condition of no axial force, and the matching gap is not changed.
The utility model discloses improve in: an improved structure for assembling a pin shaft is characterized in that the pin shaft structure is divided into a half auxiliary pin 5 and a main pin 6, a tighter fit clearance is adopted between the pin shaft and a hole during design, the half auxiliary pin 5 is arranged in a first outer double-lug plate 3, an inner single-lug plate 2 and a second outer double-lug plate 4 during installation, and then the main pin 6 is arranged, because the pin shaft adopts two parts, a main shaft can be easily knocked in without large force, the main pin can gradually shrink the fit clearance between the hole and the shaft during knocking in, simultaneously the main pin 5 and the half auxiliary pin 4 adopt self-locking taper, under the condition of no axial force, the main shaft and the half auxiliary shaft do not displace in use, the fit clearance can not change, and in order to prevent the main shaft and the auxiliary shaft from possibly being subjected to the axial force, when the main shaft is in place, a mode is adopted for protection, a baffle ring 8, an anti-rotation gasket 9 and a bidirectional elastic washer 10 are arranged outside the pin shaft body 1, and finally, because the pin shaft adopts two parts, the auxiliary shaft and the main shaft are provided with larger gaps with the hole, the first step of installation is easier, and the main pin 6 and the semi-auxiliary pin 5 gradually shrink the hole and the shaft fit gap through the inclined plane by knocking the knocking head 13 on the main pin 6 until the design fit requirement is met.
The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides an improvement structure of round pin axle assembly, includes round pin axle main part (1), its characterized in that: the hinge pin comprises a hinge pin body (1) and a hinge pin body (6), wherein the hinge pin body (1) is composed of a half auxiliary pin (5) and a main pin (6), a first outer double-lug plate (3), an inner single-lug plate (2) and a second outer double-lug plate (4) are sequentially connected to the hinge pin body (1) in a penetrating manner from left to right, a knocking head (13) is fixedly connected to the left end of the main pin (6), an inner thread hole (7) is formed in the main pin (6), an upper retainer ring (8) is installed at the right ends of the half auxiliary pin (5) and the main pin (6), an anti-rotation gasket (9) is arranged on the right side of the upper retainer ring (8), a bidirectional butterfly elastic gasket (10) is arranged on the right side of the anti-rotation gasket (9), a rubber gasket (11) is arranged on the right side of the bidirectional butterfly elastic gasket (10), a fastening bolt (12) is arranged on the, Two-way butterfly-shaped elastic washer (10), prevent changeing gasket (9), go up shelves circle (8) threaded connection on internal thread hole (7), half vice round pin (5), swizzle (6) junction all are provided with the cooperation tooth, half vice round pin (5), swizzle (6) junction set up to the inclined plane of mutually supporting, go up for transition fit connection between shelves circle (8) and swizzle (6).
2. The improved structure of pin shaft assembly as claimed in claim 1, wherein: and the semi-auxiliary pin (5) and the main pin (6) are respectively provided with a through hole (14) matched with the first outer double-lug plate (3), the inner single-lug plate (2) and the second outer double-lug plate (4).
3. The improved structure of pin shaft assembly as claimed in claim 1, wherein: through holes for the fastening bolts (12) to pass through are formed in the bidirectional butterfly elastic washer (10), the anti-rotation gasket (9) and the upper retainer ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869084.7U CN211310632U (en) | 2019-11-01 | 2019-11-01 | Improved structure for assembling pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869084.7U CN211310632U (en) | 2019-11-01 | 2019-11-01 | Improved structure for assembling pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211310632U true CN211310632U (en) | 2020-08-21 |
Family
ID=72076681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869084.7U Active CN211310632U (en) | 2019-11-01 | 2019-11-01 | Improved structure for assembling pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211310632U (en) |
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2019
- 2019-11-01 CN CN201921869084.7U patent/CN211310632U/en active Active
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