CN220518045U - I-shaped wear-resistant contact rail end elbow - Google Patents
I-shaped wear-resistant contact rail end elbow Download PDFInfo
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- CN220518045U CN220518045U CN202322286505.6U CN202322286505U CN220518045U CN 220518045 U CN220518045 U CN 220518045U CN 202322286505 U CN202322286505 U CN 202322286505U CN 220518045 U CN220518045 U CN 220518045U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000010935 stainless steel Substances 0.000 claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The I-shaped wear-resistant contact rail end elbow comprises a stainless steel slide plate and a T-shaped steel frame, wherein the stainless steel slide plate comprises a straight section, a first bending section and a second bending section, and the top surface of the vertical part of the T-shaped steel frame is provided with a horizontal section, a first inclined section and a second inclined section; the stainless steel sliding plate is welded at the top end of the vertical part of the T-shaped steel frame to form an elbow main body with an I-shaped cross section, and the straight section, the first bending section and the second bending section correspond to the horizontal section, the first inclined section and the second inclined section respectively; a notch is formed after the horizontal part of the T-shaped steel frame at the butt joint end of the elbow main body and the I-shaped contact rail is removed, and a connecting hole is formed in the vertical part of the T-shaped steel frame above the notch; the notch is internally provided with a clamping block with the same cross-section structure as the rail bottom of the I-shaped contact rail, the clamping block is welded with the T-shaped steel frame, clamping plates are symmetrically arranged above the clamping block, the clamping plates are welded with the stainless steel sliding plate and the T-shaped steel frame, and a trapezoidal clamping groove which is matched with cavities on two sides of the rail web of the I-shaped contact rail is formed between the clamping block and the opposite surface of the clamping plates.
Description
Technical Field
The utility model belongs to the technical field of rigid power supply systems for rail transit, and particularly relates to an I-shaped wear-resistant contact rail end elbow.
Background
The steel-aluminum composite contact rail is an important power supply mode of urban rail transit, and is fixedly arranged on an insulating support outside the vehicle limit on one side of a running rail of a train, and is also called a three-rail power supply system. The end elbow is arranged at the port and the tail end of the steel-aluminum composite contact rail and is used for ensuring that the vehicle current collector safely passes through the port. At present, an end elbow in a steel-aluminum composite rail system adopts a steel-aluminum composite structure, a stainless steel belt serving as a current receiving surface is thinner, and because a current collecting shoe impacts an inclined plane of the end elbow for a long time, the stainless steel belt is quickly worn, so that the end elbow is frequently replaced, and the maintenance workload is large and the cost is high.
Disclosure of Invention
The utility model provides an I-shaped wear-resistant contact rail end elbow, which aims to overcome the defects in the prior art.
The technical scheme adopted by the utility model is as follows: the I-shaped wear-resistant contact rail end elbow comprises a stainless steel slide plate and a T-shaped steel frame, wherein the stainless steel slide plate comprises a straight section, a first bending section and a second bending section, and the top surface of the vertical part of the T-shaped steel frame is provided with a horizontal section, a first inclined section and a second inclined section; the stainless steel sliding plate is welded at the top end of the vertical part of the T-shaped steel frame to form an elbow main body with an I-shaped cross section, and the straight section, the first bending section and the second bending section correspond to the horizontal section, the first inclined section and the second inclined section respectively; a notch is formed after the horizontal part of the T-shaped steel frame at the butt joint end of the elbow main body and the I-shaped contact rail is removed, and a connecting hole is formed in the vertical part of the T-shaped steel frame above the notch; the notch is internally provided with a clamping block with the same cross-section structure as the rail bottom of the I-shaped contact rail, the clamping block is welded and fixed with the T-shaped steel frame, clamping plates are symmetrically arranged above the clamping block, the clamping plates are welded and fixed with the stainless steel slide plate and the T-shaped steel frame, and a trapezoidal clamping groove which is matched with cavities on two sides of the rail web of the I-shaped contact rail is formed between the clamping block and the opposite surface of the clamping plate.
Grooves are uniformly distributed at the top of the vertical part of the T-shaped steel frame.
The horizontal part of the T-shaped steel frame comprises a second horizontal section, a third bending section and a third horizontal section.
Rib plates are uniformly distributed in cavities on two sides of the elbow main body in a direction perpendicular to a line, and the rib plates are welded and fixed with the T-shaped steel frame and the stainless steel sliding plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the flow receiving surface of the utility model adopts a stainless steel slide plate, the thickness is far greater than that of the prior stainless steel belt,
the abrasion times of the end elbow are increased, the service life of the elbow is prolonged, the replacement frequency is reduced, and the maintenance cost is reduced.
2. The utility model has the same size with the contact rail interface of the existing line, thereby being convenient for replacing and installing the existing line.
3. The utility model adopts the T-shaped steel frame supporting structure, improves the mechanical strength of the end elbow, and has simple forming process, high production efficiency and low cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of a T-shaped steel frame of the utility model;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the structure at B-B in FIG. 1;
FIG. 5 is a schematic view of the present utility model in use;
FIG. 6 is a schematic cross-sectional view of the structure at D-D in FIG. 5;
FIG. 7 is a schematic cross-sectional view of the structure at C-C in FIG. 5.
Detailed Description
The utility model will now be described in detail with reference to figures 1-7 and the detailed description.
The I-shaped wear-resistant contact rail end elbow comprises a stainless steel slide plate 1 and a T-shaped steel frame 2, wherein the stainless steel slide plate 1 comprises a straight section 1-1, a first bending section 1-2 and a second bending section 1-3, and the top surface of the vertical part of the T-shaped steel frame 2 is provided with a horizontal section 2-1, a first inclined section 2-2 and a second inclined section 2-3; the stainless steel sliding plate 1 is welded at the top end of the vertical part of the T-shaped steel frame 2 to form an elbow main body 3 with an I-shaped cross section, and the straight section 1-1, the first bending section 1-2 and the second bending section 1-3 respectively correspond to the horizontal section 2-1, the first inclined section 2-2 and the second inclined section 2-3; a notch 5 is formed after the horizontal part of the T-shaped steel frame 2 at the butt joint end of the elbow main body 3 and the I-shaped contact rail 4 is removed, and a connecting hole 8 is formed in the vertical part of the T-shaped steel frame 2 above the notch 5; the notch 5 is internally provided with a clamping block 6 with the same cross-section structure as the rail bottom of the I-shaped contact rail 4, the clamping block 6 is welded and fixed with the T-shaped steel frame 2, clamping plates 7 are symmetrically arranged above the clamping block 6, the clamping plates 7 are welded and fixed with the stainless steel slide plate 1 and the T-shaped steel frame 2, and a trapezoidal clamping groove 9 which is matched with cavities on two sides of the rail web of the I-shaped contact rail 4 is formed between the opposite surfaces of the clamping block 6 and the clamping plates 7.
Furthermore, grooves 2-4 are uniformly distributed at the top of the vertical part of the T-shaped steel frame 2, so that discontinuous welding is formed when the T-shaped steel frame 2 is welded with the stainless steel sliding plate 1, welding deformation is reduced, zinc liquid flow is facilitated when hot dip galvanizing is performed, and galvanization quality is improved.
Further, the horizontal portion of the T-shaped steel frame 2 includes a second horizontal section 2-5, a third bending section 2-6 and a third horizontal section 2-7, so that a certain height difference exists between the second horizontal section 2-5 and the third horizontal section 2-7 to meet the line requirement.
Furthermore, rib plates 10 are uniformly distributed in cavities at two sides of the elbow main body 3 perpendicular to the line direction, and the rib plates 10 are welded and fixed with the T-shaped steel frame 2 and the stainless steel sliding plate 1. To enhance the overall stiffness of the end bend.
In the above embodiment, the stainless steel slide plate 1 is formed by cold bending a stainless steel plate, the T-shaped steel frame 2 is formed by bending a standard T-shaped carbon steel profile and then cutting, and the clamping block 6, the clamping plate 7 and the rib plate 10 are made of carbon steel plates. After hot dip galvanization of the elbow body 3, the galvanization layer on the top surface of the stainless steel slide plate 1 must be removed through a polishing process.
When the stainless steel sliding plate is used, firstly, the elbow main body 3 is in butt joint with the I-shaped contact rail 4, the elbow main body 3 is fixed on the insulating support 13 through the second horizontal section 2-5 and the third horizontal section 2-7, then the middle joint 11 is clamped into the cavities on the two sides of the rail web of the I-shaped contact rail 4 and the trapezoidal clamping grooves 9, one end of the elbow main body passes through the middle joint 11 and the through holes on the rail web of the I-shaped contact rail 4 through bolts 12 and then is fastened, and the other end of the elbow main body passes through the middle joint 11 and the connecting holes 8 through bolts 12 and then is fastened, and the top surface of the stainless steel sliding plate 1 is ensured to be flush with the rail top surface of the I-shaped contact rail 4.
The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent modifications made by the appended claims shall be included in the scope of the present utility model.
Claims (4)
1. An I-shaped wear-resistant contact rail end elbow is characterized in that: the stainless steel sliding plate comprises a stainless steel sliding plate (1) and a T-shaped steel frame (2), wherein the stainless steel sliding plate (1) comprises a straight section (1-1), a first bending section (1-2) and a second bending section (1-3), and the top surface of the vertical part of the T-shaped steel frame (2) is provided with a horizontal section (2-1), a first inclined section (2-2) and a second inclined section (2-3); the stainless steel sliding plate (1) is welded at the top end of the vertical part of the T-shaped steel frame (2) to form an elbow main body (3) with an I-shaped cross section, and the straight section (1-1), the first bending section (1-2) and the second bending section (1-3) respectively correspond to the horizontal section (2-1), the first inclined section (2-2) and the second inclined section (2-3); a notch (5) is formed after the horizontal part of the T-shaped steel frame (2) at the butt joint end of the elbow main body (3) and the I-shaped contact rail (4) is removed, and a connecting hole (8) is formed in the vertical part of the T-shaped steel frame (2) above the notch (5); clamping blocks (6) with the same cross-section structure as the rail bottoms of the I-shaped contact rails (4) are arranged in the gaps (5), the clamping blocks (6) are welded and fixed with the T-shaped steel frame (2), clamping plates (7) are symmetrically arranged above the clamping blocks (6), the clamping plates (7) are welded and fixed with the stainless steel sliding plate (1) and the T-shaped steel frame (2), and trapezoid clamping grooves (9) which are matched with cavities on two sides of the rail web of the I-shaped contact rails (4) are formed between the opposite surfaces of the clamping blocks (6) and the clamping plates (7).
2. The i-shaped wear resistant contact rail end bend of claim 1, wherein: grooves (2-4) are uniformly distributed at the top of the vertical part of the T-shaped steel frame (2).
3. The i-shaped wear resistant contact rail end bend of claim 1 or 2, wherein: the horizontal part of the T-shaped steel frame (2) comprises a second horizontal section (2-5), a third bending section (2-6) and a third horizontal section (2-7).
4. An i-shaped wear resistant contact rail end bend as claimed in claim 3, wherein: rib plates (10) are uniformly distributed in cavities on two sides of the elbow main body (3) perpendicular to the line direction, and the rib plates (10) are welded and fixed with the T-shaped steel frame (2) and the stainless steel sliding plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286505.6U CN220518045U (en) | 2023-08-24 | 2023-08-24 | I-shaped wear-resistant contact rail end elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286505.6U CN220518045U (en) | 2023-08-24 | 2023-08-24 | I-shaped wear-resistant contact rail end elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220518045U true CN220518045U (en) | 2024-02-23 |
Family
ID=89933864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322286505.6U Active CN220518045U (en) | 2023-08-24 | 2023-08-24 | I-shaped wear-resistant contact rail end elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220518045U (en) |
-
2023
- 2023-08-24 CN CN202322286505.6U patent/CN220518045U/en active Active
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| GR01 | Patent grant |