CN216842569U - Novel practical device for axial positioning of pin shaft - Google Patents
Novel practical device for axial positioning of pin shaft Download PDFInfo
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- CN216842569U CN216842569U CN202220375383.0U CN202220375383U CN216842569U CN 216842569 U CN216842569 U CN 216842569U CN 202220375383 U CN202220375383 U CN 202220375383U CN 216842569 U CN216842569 U CN 216842569U
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- pin
- shaft
- pin shaft
- positioning
- axle
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Abstract
The utility model discloses a novel practical device of round pin axle axial positioning, including first structure, second structure and the round pin axle of passing two structures, its characterized in that: the novel pin shaft structure is characterized by further comprising a B-shaped pin shaft and a positioning shaft sleeve, wherein first pin holes radially penetrating through the pin shaft are formed in the outer circular surfaces of the two ends of the pin shaft, the positioning shaft sleeve is sleeved at the two ends of the pin shaft, second pin holes penetrating through the two corresponding side walls of the positioning shaft sleeve are formed in the positions, corresponding to the first pin holes, of the positioning shaft sleeve, one end of the B-shaped pin shaft is provided with a shaft shoulder, an opening pin hole is formed in the outer circular surface of the other end of the B-shaped pin shaft, the B-shaped pin shaft is inserted into the first pin holes and the second pin holes, and the end heads of the B-shaped pin shaft are fixedly connected through the opening pin. The utility model discloses a round pin axle both ends set up location axle sleeve and B type round pin axle and carry out axial positioning, and B type round pin axle intensity is higher than the split pin, combines location axle sleeve axial positioning more firm, is difficult to be cut off, can effectively prevent because of the round pin axle from the risk that the incident appears in the tower machine that the structure drops.
Description
Technical Field
The utility model relates to a tower crane technical field especially relates to a novel practical device of round pin axle axial positioning.
Background
In the tower crane, a pin shaft is a key part for connecting all parts, so the reliable connection of the pin shaft is an important factor related to the safe use of the tower crane, the conventional pin shaft adopts a shaft shoulder and a cotter pin of a step pin shaft to carry out axial positioning at two ends, see the attached drawing 1, and consists of a structural member 1, a structural member 2, a pin shaft 3' with a shoulder and a cotter pin 4.
SUMMERY OF THE UTILITY MODEL
In order to solve among the above-mentioned background art current round pin axle adopt to make shaft shoulder and split pin axial positioning, the drunkenness can appear in the round pin axle, and the easy atress of split pin is cut off, causes the round pin axle to drop, the problem of incident appears, the utility model provides a novel round pin axle axial positioning practical device.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel practical device of round pin axle axial positioning, includes first structure, second structure, be equipped with first round pin shaft hole on the first structure, correspond the position with first round pin shaft hole on the second structure and be equipped with second round pin shaft hole, first round pin shaft hole is equipped with round pin axle, its characterized in that with second round pin shaft downthehole the inserting: the novel pin shaft structure is characterized by further comprising a B-shaped pin shaft and a positioning shaft sleeve, wherein first pin holes radially penetrating through the pin shaft are formed in the outer circular surfaces of the two ends of the pin shaft, the positioning shaft sleeve is sleeved at the two ends of the pin shaft, second pin holes penetrating through the two corresponding side walls of the positioning shaft sleeve are formed in the positions, corresponding to the first pin holes, of the positioning shaft sleeve, one end of the B-shaped pin shaft is provided with a shaft shoulder, an opening pin hole is formed in the outer circular surface of the other end of the B-shaped pin shaft, the B-shaped pin shaft is inserted into the first pin holes and the second pin holes, and the end heads of the B-shaped pin shaft are fixedly connected through the opening pin.
Furthermore, the B-type pin shaft adopts a GB/T882-2008 standard B-type pin shaft.
Furthermore, the B-shaped pin shaft is made of cold heading steel materials.
Furthermore, the positioning shaft sleeve is made of Q235B steel.
Compared with the prior art, the beneficial effects of the utility model are that: set up location axle sleeve and B type round pin axle through round pin axle both ends and carry out axial positioning, location axle sleeve and structure contact, area of contact increases, and the atress is more reliable, and B type round pin axle is higher than split pin intensity moreover, and is more firm, is difficult to be cut off, can effectively prevent because of the round pin axle drops the risk that the incident appears in the tower machine from the structure.
Drawings
FIG. 1 is a schematic view of an axial positioning and mounting structure of a connecting pin shaft of a conventional structural member;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1. the first structural member, 101, first pinhole, 2, second structural member, 201, second pinhole, 3, round pin axle, 301, first pinhole, 4, split pin, 5, B type round pin axle, 501, split pin hole, 6, location axle sleeve, 601, second pinhole, 3', shoulder round pin axle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 2, the embodiment of the utility model provides an including first structure 1, second structure 2, B type round pin axle 5 and location axle sleeve 6, be equipped with first round pin shaft hole 101 on the first structure 1, correspond the position with first round pin shaft hole 101 on the second structure 2 and be equipped with second round pin shaft hole 201, first round pin shaft hole 101 is equipped with round pin axle 3 with second round pin shaft hole 201 interpolation, all be equipped with the first pinhole 301 that radially runs through round pin axle 3 on the outer disc in the both ends of round pin axle 3, the both ends of round pin axle 3 all overlap and are equipped with location axle sleeve 6, correspond the position with first pinhole 301 on location axle sleeve 6 and be equipped with coaxial and run through second pinhole 601 that location axle sleeve 6 corresponds the both sides wall, B type round pin axle 5 one end is equipped with the shaft shoulder, be equipped with opening pinhole 501 on the other end outer disc, B type round pin axle 5 inserts in first pinhole 301 and the second pinhole 601, the end passes through opening pin 4 fixed connection.
Furthermore, the B-shaped pin shaft 5 adopts a GB/T882-2008 standard B-shaped pin shaft.
Furthermore, the B-shaped pin shaft 5 is made of cold heading steel materials.
Further, the positioning shaft sleeve 6 is made of Q235B steel.
The utility model discloses a 3 both ends of round pin axle set up location axle sleeve 6 and B type round pin axle 5 and carry out axial positioning, location axle sleeve 6 and the 1 contact of first structure, area of contact strengthens, and the atress is more reliable, and B type round pin axle 5 is higher than split pin intensity moreover, and is more firm, is difficult to be cut off, can effectively prevent because of the round pin axle from the risk that the incident appears in the tower machine that the structure dropped.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel practical device of round pin axle axial positioning, includes first structure, second structure, be equipped with first round pin shaft hole on the first structure, correspond the position with first round pin shaft hole on the second structure and be equipped with second round pin shaft hole, first round pin shaft hole is equipped with round pin axle, its characterized in that with second round pin shaft downthehole the inserting: the novel pin shaft structure is characterized by further comprising a B-shaped pin shaft and a positioning shaft sleeve, wherein first pin holes radially penetrating through the pin shaft are formed in the outer circular surfaces of the two ends of the pin shaft, the positioning shaft sleeve is sleeved at the two ends of the pin shaft, second pin holes penetrating through the two corresponding side walls of the positioning shaft sleeve are formed in the positions, corresponding to the first pin holes, of the positioning shaft sleeve, one end of the B-shaped pin shaft is provided with a shaft shoulder, an opening pin hole is formed in the outer circular surface of the other end of the B-shaped pin shaft, the B-shaped pin shaft is inserted into the first pin holes and the second pin holes, and the end heads of the B-shaped pin shaft are fixedly connected through the opening pin.
2. The utility model discloses a novel practical device of round pin axle axial positioning of claim 1 which characterized in that: the B-type pin shaft adopts a GB/T882-2008 standard B-type pin shaft.
3. The utility model discloses a novel practical device of round pin axle axial positioning of claim 2 which characterized in that: the B-shaped pin shaft is made of cold heading steel materials.
4. A novel practical axial pin positioning device as claimed in any one of claims 1 to 3, wherein: the positioning shaft sleeve is made of Q235B steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375383.0U CN216842569U (en) | 2022-02-23 | 2022-02-23 | Novel practical device for axial positioning of pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375383.0U CN216842569U (en) | 2022-02-23 | 2022-02-23 | Novel practical device for axial positioning of pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842569U true CN216842569U (en) | 2022-06-28 |
Family
ID=82089737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220375383.0U Active CN216842569U (en) | 2022-02-23 | 2022-02-23 | Novel practical device for axial positioning of pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842569U (en) |
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2022
- 2022-02-23 CN CN202220375383.0U patent/CN216842569U/en active Active
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