Lightweight bridge special for petrochemical plant

Abstract

The utility model relates to the technical field of bridge frames, and discloses a special light bridge frame for a petrochemical plant, which solves the problems that the workload of operators is increased and the working efficiency is reduced because the working steps are increased in assembly although the existing bridge frame is convenient to transport, and comprises a bridge frame body, positioning shaft sleeves are fixedly installed at the two ends of the two sides of the bridge body correspondingly, positioning shaft rods are rotationally installed in the positioning shaft sleeves correspondingly, supporting arms are fixedly installed at one ends of the positioning shaft rods correspondingly, supporting rods are movably installed in the supporting arms correspondingly, and connecting blocks are fixedly installed in the middles of the two sides of the bridge body correspondingly. Mounting blocks are fixedly mounted on the sides, away from each other, of the two connecting blocks, and the ends, close to the mounting blocks, of the four supporting rods extend into the four limiting grooves correspondingly and are fixedly provided with connecting plates correspondingly; the bridge frame is convenient to transport, and meanwhile, one assembling step is reduced, so that the labor amount of operators is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge frames, in particular to a lightweight bridge frame specially used in petrochemical plants. Background Art

[0002] As a new type of cable tray, the light cable tray has shown its unique advantages in many fields such as electricity, communications, and data centers. With its lightness, energy saving, and high efficiency, it has gradually become an ideal choice in modern buildings and engineering. The design concept of the light cable tray is to pursue lightness and high efficiency. It is made of high-strength and lightweight materials, such as aluminum alloy or high-strength plastic, which makes the entire cable tray structure light and extremely convenient to install and maintain. Compared with traditional heavy cable trays, the light energy-saving cable tray is greatly reduced in weight, which not only reduces the installation cost, but also reduces the load on the building.

[0003] In order to facilitate transportation, existing bridge frames usually adopt an assembled design. After arriving at the construction site, the support frame and the bridge frame body are assembled. Although transportation is convenient, assembly increases the number of work steps, thereby increasing the workload of operators and reducing work efficiency. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a lightweight bridge specially designed for petrochemical plants, which effectively solves the problem that the existing bridge is convenient to transport but the assembly process increases the work steps, thereby increasing the workload of operators and reducing work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a petrochemical plant-specific lightweight bridge, comprising a bridge body, wherein the two end portions on both sides of the bridge body are fixedly installed with positioning sleeves, the interior of the positioning sleeves are rotatably installed with positioning shaft rods, one end of the positioning shaft rods are fixedly installed with support arms, the interior of the support arms are movably installed with support rods, connecting blocks are fixedly installed at the middle parts of both sides of the bridge body, the two connecting blocks are fixedly installed with mounting blocks on the sides away from each other, limiting grooves are provided on both sides of the two mounting blocks, the ends of the four support rods close to the mounting blocks extend respectively to the interiors of the four limiting grooves and are fixedly installed with connecting plates, the four corners of the four connecting plates are provided with connecting holes, a quick extension component is provided between the ends of the four support arms away from the mounting blocks, two strip grooves are provided on the sides of the two mounting blocks away from each other, fixing rods are fixedly installed on the sides of the four support rods away from the bridge body, and grip rods are fixedly installed on the ends of the fixing rods away from the support rods.

[0006] Preferably, the quick extension component includes four arc grooves, four sockets and four first springs, the four first springs are arranged inside the four support arms, both ends of the four first springs are respectively fixedly connected to the inner wall of one end of the support arm and the end of the support rod away from the connecting plate, positioning grooves are opened on the upper and lower sides of the four support arms, positioning sliders are fixedly installed on the upper and lower sides of the four support rods, one side of the positioning sliders extends to the outside of the support arms and is fixedly installed with limiting plates, the positioning sliders are respectively installed in the inside of the positioning grooves, the four arc grooves are respectively opened on one side of the four positioning sleeves, and the four sockets are respectively opened on the surface of the four support arms away from the mounting block.

[0007] Preferably, an insertion rod is inserted into the inside of the insertion hole, a fixing plate is fixedly installed at one end of the insertion rod away from the bridge frame body, a fixing pull ring is fixedly installed at the side of the fixing plate away from the insertion rod, a limiting disk is fixedly installed on one side of the surface of the insertion rod, a second spring is provided in the middle of the surface of the insertion rod, both ends of the second spring are respectively fixedly connected to the support arm and the limiting disk, one end of the insertion rod away from the fixing pull ring extends to the inside of the arc groove, and a limiting hole is provided on the lower inner wall of the arc groove.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows: during transportation, the support arm and the support rod are in a retracted and folded state, so that the bridge frame body can be conveniently transported to the work site; after the bridge frame body is transported to the work site, the operator pulls the fixing rod through the grip rod, and the fixing rod moves along the strip groove when being pulled, and the fixing rod drives the support rod to move toward the inside of the support arm when moving, and at the same time squeezes the first spring, and the support rod drives the connecting plate to move out to the outside of the limiting groove inside the mounting block when moving, and then the operator rotates the support arm upward, and the rotation of the support arm drives the positioning shaft rod to rotate along the inside of the positioning shaft sleeve, and the rotation of the support arm drives the insertion rod to slide along the inside of the arc groove, and when the insertion rod slides to the position of the limiting hole, the second spring pushes the limiting plate to move through its own elastic force, and when the limiting plate moves, it drives the insertion rod to be inserted into the limiting hole for limiting, thereby ensuring the stability of the support arm;

[0009] Then the operator releases the grip, and the support rod is extended outward under the push of the elastic force of the first spring. When the support rod is extended outward, it drives the positioning slider limit plate to move along the positioning slide groove, thereby increasing the stability of the support rod when moving. After the support rod is extended, the operator fixes the connecting plate to the ceiling of the building through the connecting hole and the expansion bolt. This makes the bridge convenient to transport and reduces one assembly step, thereby reducing the labor of the operator and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 This is a schematic diagram of the lightweight bridge structure specially designed for petrochemical plants. Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the lightweight bridge structure specially designed for petrochemical plants. Figure 2 ;

[0014] Figure 3 This is a partial cross-sectional structural diagram of the utility model of a lightweight bridge specially designed for petrochemical plants;

[0015] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 5 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0017] In the figure: 1. bridge body; 2. positioning sleeve; 3. positioning shaft rod; 4. support arm; 5. support rod; 6. connecting plate; 7. connecting hole; 8. mounting block; 9. limiting groove; 10. fixing rod; 11. grip rod; 12. first spring; 13. positioning slider; 14. limiting plate; 15. plug hole; 16. plug rod; 17. fixing plate; 18. fixing pull ring; 19. limiting disk; 20. second spring; 21. limiting hole; 22. connecting block; 23. positioning slide groove; 24. strip groove; 25. arc groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Depend on Figures 1 to 5The utility model includes a bridge body 1, two ends of both sides of the bridge body 1 are fixedly installed with positioning sleeves 2, the positioning sleeves 2 are rotatably installed with positioning shaft rods 3, one end of the positioning shaft rod 3 is fixedly installed with a support arm 4, and the support arm 4 is movably installed with a support rod 5, the middle part of both sides of the bridge body 1 is fixedly installed with a connecting block 22, the side of the two connecting blocks 22 away from each other is fixedly installed with a mounting block 8, both sides of the two mounting blocks 8 are provided with a limiting groove 9, and the ends of the four support rods 5 close to the mounting block 8 extend to the inside of the four limiting grooves 9 respectively A connecting plate 6 is fixedly installed on each of the four connecting plates 6, and connecting holes 7 are provided at the four corners of the four connecting plates 6. A quick-extending component is provided between the ends of the four support arms 4 away from the mounting blocks 8, and two strip grooves 24 are provided on the sides of the two mounting blocks 8 away from each other. A fixing rod 10 is fixedly installed on the side of the four support rods 5 away from the bridge frame body, and a grip rod 11 is fixedly installed on the end of the fixing rod 10 away from the support rod 5; the quick-extending component includes four arc grooves 25, four jacks 15 and four first springs 12, and the four first springs 12 are arranged inside the four support arms 4, and the four first springs 12 are arranged inside the four support arms 4. Both ends of a spring 12 are respectively fixedly connected to the inner wall of one end of the support arm 4 and the end of the support rod 5 away from the connecting plate 6. The upper and lower sides of the four support arms 4 are provided with positioning grooves 23. The upper and lower sides of the four support rods 5 are fixedly installed with positioning sliders 13. One side of the positioning slider 13 extends to the outside of the support arm 4 and is fixedly installed with a limit plate 14. The positioning sliders 13 are respectively installed in the inside of the positioning grooves 23. Four arc grooves 25 are respectively opened on one side of the four positioning sleeves 2. Four sockets 15 are respectively opened at one end of the four support arms 4 away from the mounting block 8. The inside of the insertion hole 15 is plugged with an insertion rod 16, and the end of the insertion rod 16 away from the bridge body 1 is fixedly installed with a fixing plate 17, and the side of the fixing plate 17 away from the insertion rod 16 is fixedly installed with a fixing pull ring 18, and one side of the surface of the insertion rod 16 is fixedly installed with a limiting disk 19, and the middle part of the surface of the insertion rod 16 is provided with a second spring 20, and the two ends of the second spring 20 are respectively fixedly connected to the support arm 4 and the limiting disk 19, and the end of the insertion rod 16 away from the fixing pull ring 18 extends to the inside of the arc groove 25, and the lower inner wall of the arc groove 25 is provided with a limiting hole 21.

[0020] During transportation, the support arm 4 and the support rod 5 are in a retracted and folded state, so that the bridge frame body 1 can be conveniently transported to the work site; after the bridge frame body 1 is transported to the work site, the operator pulls the fixing rod 10 through the grip rod 11, and the fixing rod 10 will move along the strip groove 24 when being pulled, and the fixing rod 10 will drive the support rod 5 to move toward the inside of the support arm 4 when moving, and at the same time squeeze the first spring 12, and the support rod 5 will drive the connecting plate 6 to move out to the outside of the limiting groove 9 inside the mounting block 8 when moving, and then the operator rotates the support arm 4 upward, and the rotation of the support arm 4 drives the positioning shaft rod 3 to rotate along the inside of the positioning sleeve 2, and the rotation of the support arm 4 drives the insertion rod 16 to slide along the inside of the arc groove 25, and when the insertion rod 16 slides to the position of the limiting hole 21, the second spring 20 will push the limiting plate 19 to move through its own elastic force, and when the limiting plate 19 moves, it will drive the insertion rod 16 to be inserted into the limiting hole 21 for limiting, thereby ensuring the stability of the support arm 4;

[0021] Then the operator releases the grip 11, and the support rod 5 is extended outward under the push of the elastic force of the first spring 12. When the support rod 5 is extended outward, it drives the positioning slider 13 and the limit plate 14 to move along the positioning slide groove 23, thereby increasing the stability of the support rod 5 when moving. After the support rod 5 is extended, the operator fixes the connecting plate 6 to the ceiling of the building through the connecting hole 7 and the expansion bolt. This makes the bridge convenient to transport and reduces one assembly step, thereby reducing the labor of the operator and improving work efficiency.

Claims

1. A lightweight bridge specially used in petrochemical plants, comprising a bridge body (1), characterized in that: The two ends of both sides of the bridge body (1) are fixedly mounted with positioning sleeves (2), the interior of the positioning sleeves (2) is rotatably mounted with positioning shaft rods (3), one end of the positioning shaft rod (3) is fixedly mounted with support arms (4), the interior of the support arms (4) is movably mounted with support rods (5), the middle of both sides of the bridge body (1) are fixedly mounted with connecting blocks (22), the sides of the two connecting blocks (22) away from each other are fixedly mounted with mounting blocks (8), both sides of the two mounting blocks (8) are provided with limiting grooves (9), and the four support rods (5) are fixedly mounted with the connecting blocks (22) and the mounting blocks (8 ... One end close to the mounting block (8) extends to the inside of the four limit grooves (9) and is fixedly mounted with a connecting plate (6); four corners of the four connecting plates (6) are provided with connecting holes (7); a quick extension assembly is provided between the ends of the four support arms (4) away from the mounting block (8); two strip grooves (24) are provided on the sides of the two mounting blocks (8) away from each other; a fixing rod (10) is fixedly mounted on the sides of the four support rods (5) away from the bridge frame body; and a grip rod (11) is fixedly mounted on the ends of the fixing rods (10) away from the support rods (5).

2. According to claim 1, a petrochemical plant-specific lightweight bridge, characterized in that: The quick extension component comprises four arc grooves (25), four plug holes (15) and four first springs (12). The four first springs (12) are arranged inside the four support arms (4). Both ends of the four first springs (12) are respectively fixedly connected to the inner wall of one end of the support arm (4) and the end of the support rod (5) away from the connecting plate (6). The upper and lower sides of the four support arms (4) are provided with positioning grooves (23). The upper and lower sides of the four support rods (5) are fixedly installed with positioning sliders (13). One side of the positioning sliders (13) extends to the outside of the support arm (4) and is fixedly installed with a limiting plate (14). The positioning sliders (13) are respectively installed inside the positioning grooves (23). The four arc grooves (25) are respectively provided on one side of the four positioning sleeves (2). The four plug holes (15) are respectively provided on the surface of the end of the four support arms (4) away from the mounting block (8).

3. A petrochemical plant-specific lightweight bridge according to claim 2, characterized in that: The insertion holes (15) are all plugged with insertion rods (16) inside, and the ends of the insertion rods (16) away from the bridge frame body (1) are fixedly installed with a fixing plate (17), and the side of the fixing plate (17) away from the insertion rods (16) is fixedly installed with a fixing pull ring (18), and one side of the surface of the insertion rods (16) is fixedly installed with a limiting disk (19), and the middle part of the surface of the insertion rods (16) is provided with a second spring (20), and the two ends of the second spring (20) are respectively fixedly connected to the support arm (4) and the limiting disk (19), and the end of the insertion rods (16) away from the fixing pull ring (18) extends to the inside of the arc groove (25), and the lower inner wall of the arc groove (25) is provided with a limiting hole (21).

Images