CN217297022U - Novel expansion joint steel pipe connecting pin shaft of overhead traveling crane sliding contact line interface - Google Patents
Novel expansion joint steel pipe connecting pin shaft of overhead traveling crane sliding contact line interface Download PDFInfo
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- CN217297022U CN217297022U CN202221152787.XU CN202221152787U CN217297022U CN 217297022 U CN217297022 U CN 217297022U CN 202221152787 U CN202221152787 U CN 202221152787U CN 217297022 U CN217297022 U CN 217297022U
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- guide rail
- connecting pin
- line guide
- pin shaft
- sliding contact
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Abstract
The utility model discloses a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin shaft, including first wiping line guide rail, second wiping line guide rail, connecting pin shaft, first sleeve pipe and second sleeve pipe, the right-hand member of first wiping line guide rail with the left end of second wiping line guide rail is adjacent, the trailing flank welding of first wiping line guide rail has first sleeve pipe, the trailing flank welding of second wiping line guide rail has the second sleeve pipe, the connecting pin shaft with first sleeve pipe fixed connection, the connecting pin shaft with the second sleeve pipe sliding fit; the front side surfaces of the first sliding contact line guide rail and the second sliding contact line guide rail are connected through a connecting row. The utility model discloses overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle, simple structure, the function is practical, has effectively solved the overhead traveling crane frequent operation and has very easily vibrated, makes the not hard up and connecting plate aversion of fixing bolt of expansion joint connecting plate lead to stumbling the current collector and take place short-circuit fault's problem.
Description
Technical Field
The utility model relates to a overhead traveling crane wiping line field especially relates to a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle.
Background
The overhead traveling crane trolley line is used for supplying power to moving equipment, and consists of a trolley line guide rail (a fixed part is connected with a power supply, a common guide rail is formed by connecting single 4m or 6 m in length), and a current collector (a sliding part can slide on or in a trolley line track and is in contact with a copper bar to take power, and the current collector is used for being connected with a mobile electric appliance).
Because the wiping line expands with heat and contracts with cold due to climate change, an expansion joint is arranged at every 20-30 meters of the wiping line guide rail, the expansion joint fixes the connecting plate by bolts at two ends of the wiping line, but the overhead travelling crane runs frequently and is easy to vibrate, so that the fixing bolts are loosened and the connecting plate shifts to cause the current collector to be caught to generate short circuit fault. Therefore, the problem to be solved by the technical personnel in the field is urgent to solve how to invent a novel connecting pin shaft for the steel pipe of the expansion joint of the trolley line interface of the overhead travelling crane to achieve the purpose of connecting and conducting the expansion joint of the trolley line of the overhead travelling crane.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle solves the overhead traveling crane frequent operation and very easily vibrates, makes the not hard up and connecting plate aversion of the fixing bolt of expansion joint connecting plate lead to stumbling the current collector and take place short-circuit fault's problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin, including first wiping line guide rail, second wiping line guide rail, connecting pin, first sleeve pipe and second sleeve pipe, the right-hand member of first wiping line guide rail with the left end of second wiping line guide rail is adjacent, the right-hand member of first wiping line guide rail with the upper surface of second wiping line guide rail is provided with the current collector, the trailing flank welding of first wiping line guide rail has first sleeve pipe, the trailing flank welding of second wiping line guide rail has the second sleeve pipe, the connecting pin passes first sleeve pipe and second sleeve pipe in proper order, the connecting pin with first sleeve pipe fixed connection, the connecting pin with the second sleeve pipe sliding fit; the front side surfaces of the first sliding contact line guide rail and the second sliding contact line guide rail are connected through a connecting row.
Furthermore, the first sleeve, the second sleeve and the connecting pin shaft are all made of copper materials.
Furthermore, the distance from the rightmost end of the connecting pin shaft to the rightmost end of the second sleeve is larger than the variation distance of an expansion joint between the right end of the first trolley line guide rail and the left end of the second trolley line guide rail.
Furthermore, the distance from the rightmost end of the connecting pin shaft to the leftmost end of the second sleeve is larger than the variation distance of an expansion joint between the right end of the first trolley line guide rail and the left end of the second trolley line guide rail.
Furthermore, the connecting row is arch-shaped, and the connecting row is made of aluminum.
Furthermore, two ends of the connecting row are connected with the first sliding contact line guide rail and the second sliding contact line guide rail through fixing bolts.
Furthermore, the connecting pin shaft is connected with the first sleeve in a welding mode.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle, through the cooperation of copper's first sleeve pipe, second sleeve pipe and connecting pin axle, the part of connecting pin axle in the second sleeve pipe can move according to the flexible of wiping line, has guaranteed certain roughness of wiping line guide rail, has guaranteed that the good area of contact of current collector has ensured the overhead traveling crane power supply stability; the utility model discloses overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle sets up the supplementary electrically conductive of arch shaped connecting row of aluminium matter in the leading flank of wiping line guide rail, strengthens the equipment reliability. Generally speaking, the utility model discloses overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle, simple structure, the function is practical, has effectively solved the overhead traveling crane frequent operation and has very easily vibrated, makes the not hard up and connecting plate aversion of the fixing bolt of expansion joint connecting plate lead to stumbling the current collector and take place short-circuit fault's problem.
Drawings
The invention will be further explained with reference to the following description of the drawings:
fig. 1 is a schematic view of the structure of the steel pipe connecting pin shaft of the expansion joint of the sliding contact line interface of the overhead travelling crane of the utility model;
fig. 2 is a schematic structural view of another embodiment of the steel pipe connecting pin shaft of the expansion joint of the sliding contact line interface of the overhead travelling crane of the present invention;
fig. 3 is a cross-sectional view at the connecting pin.
Description of the reference numerals: 1. a first trolley line guide rail; 2. a second trolley line guide rail; 3. a current collector; 4. a connecting row; 5. fixing the bolt; 6. a first sleeve; 7. a second sleeve; 8. and connecting a pin shaft.
Detailed Description
As shown in fig. 1 to fig. 3, a novel steel pipe connecting pin for an expansion joint of a trolley line interface of a crown block comprises a first trolley line guide rail 1, a second trolley line guide rail 2, a connecting pin 8, a first sleeve 6 and a second sleeve 7.
The right-hand member of first wiping line guide rail 1 with the left end of second wiping line guide rail 2 is adjacent, the right-hand member of first wiping line guide rail 1 with the upper surface of second wiping line guide rail 2 is provided with current collector 3, the trailing flank welding of first wiping line guide rail 1 has first sleeve 6, the trailing flank welding of second wiping line guide rail 2 has second sleeve 7, connecting pin 8 passes first sleeve 6 and second sleeve 7 in proper order, connecting pin 8 with 6 fixed connection of first sleeve, connecting pin 8 with 6 welded connection of first sleeve. The connecting pin shaft 8 is in sliding fit with the second sleeve 7. The first sleeve 6, the second sleeve 7 and the connecting pin shaft 8 are all made of copper materials and have good conductivity.
The distance from the rightmost end of the connecting pin shaft 8 to the rightmost end of the second sleeve 7 is larger than the variation distance of an expansion joint between the right end of the first trolley wire guide rail 1 and the left end of the second trolley wire guide rail 2.
Or the distance from the rightmost end of the connecting pin shaft 8 to the leftmost end of the second sleeve 7 is greater than the variation distance of the expansion joint between the right end of the first trolley line guide rail 1 and the left end of the second trolley line guide rail 2.
The connecting pin shaft 8 can be effectively prevented from falling off from the second sleeve 7, and the conductivity of the equipment is influenced.
The front side surfaces of the first sliding contact line guide rail 1 and the second sliding contact line guide rail 2 are connected through a connecting row 4.
The link bar 4 is the arch, the link bar 4 is the aluminium material, does benefit to the good ductility of aluminium material and domes and avoids the link bar 4 to break along with the change at expansion joint. The copper first sleeve 6, the second sleeve 7 and the connecting pin 8 are able to conduct electricity even if the aluminum connecting row 4 of the front side is broken.
Two ends of the connecting row 4 are connected with the first sliding contact line guide rail 1 and the second sliding contact line guide rail 2 through fixing bolts 5, and replacement and maintenance are convenient.
The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. The utility model provides a novel overhead traveling crane wiping line interface expansion joint steel pipe connecting pin axle which characterized in that: the power supply device comprises a first sliding contact line guide rail (1), a second sliding contact line guide rail (2), a connecting pin shaft (8), a first sleeve (6) and a second sleeve (7), wherein the right end of the first sliding contact line guide rail (1) is adjacent to the left end of the second sliding contact line guide rail (2), a current collector (3) is arranged on the right end of the first sliding contact line guide rail (1) and the upper surface of the second sliding contact line guide rail (2), the first sleeve (6) is welded on the rear side surface of the first sliding contact line guide rail (1), the second sleeve (7) is welded on the rear side surface of the second sliding contact line guide rail (2), the connecting pin shaft (8) sequentially penetrates through the first sleeve (6) and the second sleeve (7), the connecting pin shaft (8) is fixedly connected with the first sleeve (6), and the connecting pin shaft (8) is in sliding fit with the second sleeve (7); the front side surfaces of the first sliding contact line guide rail (1) and the second sliding contact line guide rail (2) are connected through a connecting row (4).
2. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft as claimed in claim 1, wherein: the first sleeve (6), the second sleeve (7) and the connecting pin shaft (8) are all made of copper materials.
3. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft as claimed in claim 1, wherein: the distance from the rightmost end of the connecting pin shaft (8) to the rightmost end of the second sleeve (7) is larger than the variation distance of an expansion joint between the right end of the first sliding contact line guide rail (1) and the left end of the second sliding contact line guide rail (2).
4. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft as claimed in claim 1, wherein: the distance from the rightmost end of the connecting pin shaft (8) to the leftmost end of the second sleeve (7) is larger than the variation distance of an expansion joint between the right end of the first sliding contact line guide rail (1) and the left end of the second sliding contact line guide rail (2).
5. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft as claimed in claim 1, wherein: the connecting row (4) is arched, and the connecting row (4) is made of aluminum.
6. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft of claim 5, characterized in that: two ends of the connecting row (4) are connected with the first sliding contact line guide rail (1) and the second sliding contact line guide rail (2) through fixing bolts (5).
7. The novel overhead traveling crane trolley line interface expansion joint steel pipe connecting pin shaft as claimed in claim 1, wherein: the connecting pin shaft (8) is connected with the first sleeve (6) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221152787.XU CN217297022U (en) | 2022-05-13 | 2022-05-13 | Novel expansion joint steel pipe connecting pin shaft of overhead traveling crane sliding contact line interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221152787.XU CN217297022U (en) | 2022-05-13 | 2022-05-13 | Novel expansion joint steel pipe connecting pin shaft of overhead traveling crane sliding contact line interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217297022U true CN217297022U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221152787.XU Active CN217297022U (en) | 2022-05-13 | 2022-05-13 | Novel expansion joint steel pipe connecting pin shaft of overhead traveling crane sliding contact line interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217297022U (en) |
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2022
- 2022-05-13 CN CN202221152787.XU patent/CN217297022U/en active Active
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