CN111463727A

CN111463727A - Tray type aluminum alloy bridge

Info

Publication number: CN111463727A
Application number: CN202010303746.5A
Authority: CN
Inventors: 艾红梅; 黄泽红
Original assignee: Sichuan Yuankun Intelligent Electromechanical Equipment Co ltd
Current assignee: Sichuan Yuankun Intelligent Electromechanical Equipment Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-07-28

Abstract

The invention discloses a tray type aluminum alloy bridge frame, which belongs to the field of tray bridge frames and comprises a horizontal equal-diameter curved through, wherein through holes are formed in two ends of the horizontal equal-diameter curved through, a bracket is sleeved at the butt joint of the horizontal equal-diameter curved through and the through holes, screw rods are arranged on two sides of the horizontal equal-diameter curved through and the through holes, sliding openings are formed in two ends of the bracket and positions corresponding to the screw rods, and the screw rods penetrate through the sliding openings. The supporting pieces distributed at the front and the back of the two sides of the bracket respectively support the lower surfaces of the horizontal equal-diameter curved through and the straight through, and effectively share the gravity of the butt joint of the horizontal equal-diameter curved through and the straight through, so that the butt joint of the horizontal equal-diameter curved through and the straight through is not easy to bend, the upper limit of the butt joint bottom of the horizontal equal-diameter curved through and the straight through is realized through the limiting plate, and the horizontal equal-diameter curved through and the straight through are further limited, therefore, when more power cables penetrate through the bridge, the bending resistance of the butt joint of the horizontal equal-diameter curved through and the straight through is.

Description

Tray type aluminum alloy bridge

Technical Field

The invention relates to a tray type aluminum alloy bridge.

Background

The tray type bridge is the most widely used one in the aspects of petroleum, chemical industry, electric power, light industry, television, telecommunication and the like, has the advantages of light weight, large load, attractive appearance, simple structure, convenience in installation and the like, is suitable for installation of power cables and laying of control cables, and is provided with heat dissipation holes at the bottom of the tray type bridge, thereby being beneficial to heat dissipation of internal cables.

Present tray formula aluminum alloy crane span structure, the level equal footpath is curved to be led to and is led to the butt joint for realize from one to the horizontal cabling of turning, the perforation that the level equal footpath is curved to be led to and all sets up with straight both sides, and through two installation pieces attached in the butt joint department, a plurality of mounting holes of horizontal setting on the installation piece, can insert the bolt in mounting hole and the perforation, and with nut locking bolt, thereby it is integrative to curve to lead to and lead to through interconnect with the level equal footpath, the weak point of existence has: due to the special structure that the horizontal equal-diameter bent through is relatively straight, a bracket fixed with the top of a ceiling is difficult to erect at the horizontal equal-diameter bent through, so that the horizontal equal-diameter bent through cannot be well supported, and is directly butted with two ends only through nuts and bolts.

Disclosure of Invention

The invention aims to provide a tray type aluminum alloy bridge frame to solve the problem that when more power cables penetrate through the bridge frame, the bending resistance of the joint of a horizontal equal-diameter elbow and straight-through is not high in the background technology.

In order to achieve the above object, an embodiment of the present invention provides a tray type aluminum alloy bridge frame, including a horizontal equal-diameter curved through, where two ends of the horizontal equal-diameter curved through are both provided with a straight through, a bracket is sleeved at a butt joint of the horizontal equal-diameter curved through and the straight through, two sides of the horizontal equal-diameter curved through and the straight through are both provided with screws, two ends of the bracket and positions corresponding to the screws are both provided with sliding ports, the screws penetrate through the sliding ports, one end of the screw penetrating through the sliding ports is sleeved with a backing ring and locked by the screws through nuts, two sides of the bottom end of the bracket are provided with support pieces, the bracket is internally provided with a butt joint piece, the butt joint piece is provided with a limit plate, and one side of the bottom of the horizontal equal-diameter curved through and the straight.

Further, the bracket is of a U-shaped plate structure.

Furthermore, the sliding opening is of a square opening structure.

Further, the supporting sheet is of a triangular plate structure.

Furthermore, the butt joint piece is of a square piece structure, and the limiting plate is of a square plate structure.

In summary, the invention has the following advantages: the nut compresses the backing ring to enable the backing ring to be tightly pressed on the bracket to limit the horizontal equal-diameter curved through and straight through to be separated from the bracket, the supporting sheets distributed at the front and back of the two sides of the bracket respectively support the lower surfaces of the horizontal equal-diameter curved through and straight through, so that the gravity of the butt joint of the horizontal equal-diameter curved through and straight through is effectively shared, the butt joint of the horizontal equal-diameter curved through and straight through is not easy to bend, the upper limit of the butt joint bottom of the horizontal equal-diameter curved through and straight through is performed through the limiting plate, and the horizontal equal-diameter curved through and straight through bending is further limited.

Drawings

FIG. 1 is a schematic top view partially in section in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of a structure in an embodiment of the present invention;

FIG. 3 is a schematic view of the slide port and screw assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a bracket connecting shaft according to an embodiment of the present invention.

Wherein, 1 horizontal equal diameter bend, 2 straight, 3 brackets, 4 screws, 5 sliding mouths, 6 backing rings, 7 nuts, 8 supporting sheets, 9 butt joint sheets and 10 limiting plates.

Detailed Description

Referring to fig. 1, 2, 3 and 4, a tray type aluminum alloy bridge frame comprises a horizontal equal-diameter curved through 1, wherein two ends of the horizontal equal-diameter curved through 1 are provided with through 2, the number of the through 2 is two, a bracket 3 is sleeved at the joint of the horizontal equal-diameter curved through 1 and the through 2, the inner wall of the bracket 3 is in sliding contact with the outer walls of the horizontal equal-diameter curved through 1 and the through 2, the bracket 3 is of a U-shaped plate structure, two sides of the horizontal equal-diameter curved through 1 and the through 2 are provided with screw rods 4, the screw rods 4 are arranged on two outer side walls of the port edges of the horizontal equal-diameter curved through 1 and the through 2, the screw rods 4 are respectively welded and connected with two ends of the horizontal equal-diameter curved through 1 and the through 2, two ends of the bracket 3 are provided with sliding ports 5 corresponding to the positions of the screw rods 4, the sliding ports 5 are arranged on two sides of the port edges of the bracket 3, the screw rods 4 penetrate through the sliding ports 5, one end of the screw rod 4 penetrating through the sliding opening 5 is sleeved with a backing ring 6, the screw rod 4 is locked through a nut 7, the backing ring 6 is of a circular ring structure, when the screw rod 4 is locked through the nut 7, the nut 7 compresses the backing ring 6, the backing ring 6 is compressed on the bracket 3, the horizontal equal-diameter curved through 1 and the straight through 2 are limited to be separated from the bracket 3, and the sliding opening 5 is of a square opening structure.

Referring to fig. 1, 2, 3 and 4, support sheets 8 are arranged on two sides of the bottom end of the bracket 3, the support sheets 8 are of a triangular plate structure, the support sheets 8 are distributed on the lower edge of the port of the bracket 3 in the front-back direction, the upper ends of the support sheets 8 and the lower end of the interior of the bracket 3 are on the same horizontal plane, the bracket 3 and the support sheets 8 are a fusion-cast integrated piece, the support sheets 8 distributed on the front-back direction on the two sides of the bracket 3 respectively support the lower surfaces of the horizontal equal-diameter elbow 1 and the straight 2, so as to effectively share the gravity at the joint of the horizontal equal-diameter elbow 1 and the straight 2, so that the joint of the horizontal equal-diameter elbow 1 and the straight 2 is not easy to bend, the bracket 3 is internally provided with a butt-joint piece 9, the butt-joint piece 9 is provided with a limiting plate 10, the butt-joint piece 9 is arranged in the middle side of the lower end of the, the thickness of the butt joint piece 9 is designed to be 0.5 mm larger than the thickness of the horizontal equal-diameter bent through 1 and the horizontal equal-diameter straight through 2, the width of the limit plate 10 is the same as the width of the inner wall of the bracket 3, the distance between the two ends of the limit plate 10 and the inner wall of the bracket 3 meets the requirement of stably inserting the side walls of the horizontal equal-diameter curved through 1 and the straight through 2, when the ends of the horizontal equal-diameter curved through 1 and the straight through 2 are respectively contacted with the two ends of the butt-joint piece 9, the side walls of the horizontal equal-diameter curved through 1 and the straight through 2 are inserted into the clearance between the two ends of the limit plate 10 and the inner wall of the bracket 3, the two sides of the limit plate 10 can respectively cover the bottoms of the horizontal equal-diameter curved through 1 and the straight through 2, the upper limit of the butt joint bottom of the horizontal equal-diameter bend 1 and the straight 2 is carried out through a limit plate 10, the bending of the horizontal equal-diameter bend 1 and the straight 2 is further limited, butt joint piece 9 is square piece structure, and limiting plate 10 is square plate structure, and the bottom one side that level equant bend led to 1 and led to 2 all inserts between limiting plate 10 and the inside bottom of bracket 3.

When the combined parts are in a separated state, two ports of a bracket 3 can be respectively inserted into one end part of a horizontal equal-diameter bend-through 1 and a through-through 2, the lower ends of the horizontal equal-diameter bend-through 1 and the through-through 2 are kept to be contacted with the inner lower end of the bracket 3, when the ends of the horizontal equal-diameter bend-through 1 and the through-through 2 are respectively contacted with two ends of a butt-joint sheet 9, the side walls of the horizontal equal-diameter bend-through 1 and the through-through 2 are respectively inserted into a gap between two ends of a limiting plate 10 and the inner wall of the bracket 3, two sides of the limiting plate 10 can respectively cover the bottoms of the horizontal equal-diameter bend-through 1 and the through-through 2, screw rods 4 are respectively inserted into sliding ports 5, backing rings 6 can be respectively sleeved on the screw rods 4, the screw rods 4 are tightly locked through nuts 7, the backing rings 6 are tightly pressed on the bracket 3 through the nuts 7, the backing rings 1 and the through-through 2 are limited to be separated from the bracket 3, supporting sheets 8, therefore, gravity at the joint of the horizontal equal-diameter bent through 1 and the straight through 2 is effectively shared, the joint of the horizontal equal-diameter bent through 1 and the straight through 2 is not easy to bend, the upper limit of the joint bottom of the horizontal equal-diameter bent through 1 and the straight through 2 is carried out through the limiting plate 10, and the bending of the horizontal equal-diameter bent through 1 and the straight through 2 is further limited, so that the bending resistance of the joint of the horizontal equal-diameter bent through 1 and the straight through 2 is higher when more power cables penetrate through the bridge.

While the present invention has been described in detail with reference to the illustrated embodiments, it should not be construed as limited to the scope of the present patent. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The utility model provides a tray formula aluminum alloy crane span structure, includes that level constant diameter is curved leads to (1), its characterized in that: the two ends of the horizontal equal-diameter curved through (1) are provided with straight through holes (2), a bracket (3) is sleeved at the butt joint of the horizontal equal-diameter curved through (1) and the straight through holes (2), both sides of the horizontal equal-diameter bent through (1) and the straight through (2) are provided with screw rods (4), sliding openings (5) are respectively arranged at the two ends of the bracket (3) and the positions corresponding to the screw rods (4), the screw rod (4) penetrates out of the sliding opening (5), one end of the screw rod (4) penetrating out of the sliding opening (5) is sleeved with a backing ring (6), the screw rod (4) is locked by a nut (7), supporting pieces (8) are distributed on two sides of the bottom end of the bracket (3), a butt joint piece (9) is arranged in the bracket (3), a limiting plate (10) is arranged on the butt joint piece (9), one side of the bottom of the horizontal equal-diameter elbow joint (1) and the bottom of the horizontal equal-diameter elbow joint (2) are inserted between the limiting plate (10) and the bottom end inside the bracket (3).

2. The tray type aluminum alloy bridge frame of claim 1, wherein: the bracket (3) is of a U-shaped plate structure.

3. The tray type aluminum alloy bridge frame of claim 1, wherein: the sliding opening (5) is of a square opening structure.

4. The tray type aluminum alloy bridge frame of claim 1, wherein: the supporting sheet (8) is of a triangular plate structure.

5. The tray type aluminum alloy bridge frame of claim 1, wherein: the butt joint piece (9) is of a square piece structure, and the limiting plate (10) is of a square plate structure.