Adjustable combined large-span cable bridge

Abstract

The utility model relates to the field of cable bridges, in particular to an adjustable combined type large-span cable bridge which comprises a stand column, a supporting plate fixedly connected to the top end of the stand column and a bridge beam arranged on the upper surface of the supporting plate. Each supporting mechanism comprises a first sliding block slidably connected to the surface of the corresponding vertical rod, the surface of each first sliding block is in threaded connection with a threaded rod, the surface of each first sliding block is slidably connected with a positioning rod, and an adjusting assembly is arranged between each first sliding block and the corresponding bridge beam. The first sliding block is arranged to slide up and down on the surface of the vertical rod to be matched with the adjusting mechanism to adjust the distance of the bridge frame beam, meanwhile, the adjusted bridge frame beam can be supported, the risk that the bridge frame beam is broken due to suspension is reduced, and potential safety hazards are reduced; the cable is always located between the cross rod and the bridge beam, and the cable is prevented from falling off from the upper portion.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cable bridge field, especially a kind of adjustable combined large-span cable bridge. BACKGROUND

[0002] Large-span cable bridge is assembled by pultrusion glass steel section, and is suitable for power cable, control cable, lighting cable and accessories etc.Compared with iron bridge, it has long service life, easy installation, low cost, easy cutting and no maintenance, etc.Adjustable combined large-span cable bridge is needed to adapt to different occasions.

[0003] According to the search, the patent "a kind of adjustable combined large-span cable bridge" authorized announcement number "CN221574755U", the utility model can make the length of the device be adjusted combined bridge when using in later period, so as to be applicable to different length cable laying, by user manually pulling the bridge body at both ends outward, so as to drive the inner column to move outward, so that the limiting ball is separated from U-shaped groove, so as to be limited by the inner wall of the both ends of outer column, so as to extrude the limiting ball to move to the inside, so as to drive spring to contract, so as to drive sliding sleeve to slide on connecting rod, so that the distance between the two groups of bridges increases;

[0004] The above-mentioned application can extend the bridge along the support plate to the two sides to increase the distance between the two bridges and achieve the adjusting effect, but the suspended volume of the bridge increases when the bridge extends to the two sides, the support force of the support plate decreases, and the risk of deformation or even fracture occurs, which causes safety hazards.

[0005] Therefore, an adjustable combined large-span cable bridge is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide an adjustable combined large-span cable bridge to solve the above problems and improve the risk of fracture that occurs with the extension of the bridge.

[0007] The utility model realizes the above-mentioned purpose through the following technical scheme, an adjustable combined large-span cable bridge, comprising: a stand, a support plate fixedly connected to the top end of the stand, and a bridge beam provided on the upper surface of the support plate, the top end of the support plate is fixedly connected with a vertical rod;

[0008] A supporting mechanism is provided, the supporting mechanism comprises a first sliding block slidingly connected to the surface of the vertical rod, a threaded rod is threadedly connected to the surface of the first sliding block, a positioning rod is slidingly connected to the surface of the first sliding block, and an adjusting assembly is provided between the first sliding block and the bridge beam.

[0009] Preferably, the adjusting assembly comprises two connecting blocks fixedly connected to the bottom end of the first sliding block, the inner wall of the connecting block is hinged with a supporting rod, the end of the supporting rod away from the connecting block is rotatably connected with a crossbar, and the crossbar is fixedly connected to the inner wall of the bridge beam.

[0010] Preferably, the top end of the stand is fixedly connected with a fixed plate, the bottom end of the fixed plate is fixedly connected with a motor, and the bottom end of the motor is fixedly connected with the top end of the threaded rod. The first sliding block moves up and down, driving the adjusting assembly to move.

[0011] Preferably, the bottom end of the threaded rod is rotatably connected to the stand, the top end of the positioning rod is fixedly connected to the bottom end of the fixed plate, and the bottom end of the positioning rod is fixedly connected to the stand. The first sliding block is more stable when moving.

[0012] Preferably, the bottom end of the supporting plate is provided with two sliding grooves, the inner wall of the sliding groove is fixedly connected with a limiting rod, the surface of the limiting rod is slidably connected with a second sliding block, and the second sliding block is fixedly connected to the bottom end of the bridge beam. The two bridge beams are more stable when moving.

[0013] Preferably, the inside of the bridge beam is provided with a protective pad, and a plurality of limiting holes are formed in the surface of the protective pad and the bridge beam. When the bridge beam moves, the surface of the cable is protected, and the friction between the cable and the surface of the bridge beam is reduced.

[0014] Preferably, the end of the bridge beam and the protective pad close to the stand is provided with a semicircular notch, and the diameter of the semicircular notch is equal to the diameter of the stand. The two bridge beams can be more closely fitted.

[0015] The beneficial effects of the utility model are:

[0016] By setting the first sliding block to slide up and down on the surface of the stand, the distance between the bridge beams can be adjusted by the adjusting mechanism, and the bridge beams can be supported after adjustment, upward tension can be provided to the suspended position of the bridge beams, the risk of fracture of the bridge beams due to suspension can be reduced, and safety hazards can be reduced.

[0017] By setting the crossbar in cooperation with the bridge beam, the cable is always between the crossbar and the bridge beam, so that the cable is prevented from falling off from above. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the combined state of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the expanded state of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the support mechanism of this utility model;

[0021] Figure 4 This is a cross-sectional view of the support mechanism of this utility model.

[0022] In the diagram: 100, column; 110, support plate; 111, upright; 200, fixing plate; 300, bridge beam; 310, protective pad; 320, limiting hole; 400, support mechanism; 410, first slider; 420, motor; 430, threaded rod; 440, positioning rod; 450, adjusting assembly; 451, connecting block; 452, support rod; 453, crossbar; 460, slide groove; 461, second slider; 462, limiting rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In practical implementation: such as Figures 1-4 As shown, an adjustable combined long-span cable tray includes: a column 100, a support plate 110 fixedly connected to the top of the column 100, and a cable tray beam 300 disposed on the upper surface of the support plate 110. The top of the support plate 110 is fixedly connected to a pole 111.

[0025] The support mechanism 400 includes a first slider 410 slidably connected to the surface of the upright 111, a threaded rod 430 threadedly connected to the surface of the first slider 410, a positioning rod 440 slidably connected to the surface of the first slider 410, and an adjustment component 450 provided between the first slider 410 and the bridge beam 300.

[0026] like Figure 2 , Figure 3 and Figure 4As shown, the adjusting assembly 450 comprises two connecting blocks 451 fixedly connected to the bottom end of the first sliding block 410, the inner wall of the connecting block 451 is hingedly connected with a supporting rod 452, the end of the supporting rod 452 away from the connecting block 451 is rotatably connected with a cross rod 453, the cross rod 453 is fixedly connected to the inner wall of the bridge beam 300, the top end of the vertical rod 111 is fixedly connected with a fixed plate 200, the bottom end of the fixed plate 200 is fixedly connected with a motor 420, the bottom end of the motor 420 is fixedly connected with the top end of a threaded rod 430, the bottom end of the threaded rod 430 is rotatably connected to the vertical rod 111, the top end of a positioning rod 440 is fixedly connected to the bottom end of the fixed plate 200, the bottom end of the positioning rod 440 is fixedly connected to the vertical rod 111, the bottom end of the supporting plate 110 is provided with two sliding grooves 460, the inner wall of the sliding groove 460 is fixedly connected with a limiting rod 462, the surface of the limiting rod 462 is slidably connected with a second sliding block 461, and the second sliding block 461 is fixedly connected to the bottom end of the bridge beam 300.

[0027] In this embodiment, when the motor 420 is started, the top end of the threaded rod 430 rotates with the motor 420, and the bottom end rotates on the fixed block fixedly connected with the vertical rod 111, thereby driving the first sliding block 410 to move up and down, at the same time, the other side of the first sliding block 410 slides along the surface of the positioning rod 440, the top end of the supporting rod 452 rotates in the connecting block 451, and the bottom end moves downward and rotates on the surface of the cross rod 453, thereby pushing the bridge beam 300 through the cross rod 453; when the cable is laid, it needs to pass through between the cross rod 453 and the bridge beam 300, and is laid on the surface of the bridge beam 300 and arranged on the two sides of the vertical rod 111, and the cross rod 453 can also limit the cable; in the initial state, the two bridge beams 300 and the protective pad 310 are in the state of adhesion through the semicircular notch and the vertical rod 111, the second sliding block 461 is fixedly connected to the bottom end of the bridge beam 300 close to one end of the vertical rod 111, when the two second sliding blocks 461 are located at the closest end in the sliding groove 460, the two bridge beams 300 are in the state of adhesion, and the first sliding block 410 is located at the highest point, when the two second sliding blocks 461 are located at the farthest end in the sliding groove 460, the distance between the two bridge beams 300 is the farthest, and the first sliding block 410 is located at the lowest point.

[0028] As Figure 1 , Figure 3 and Figure 4As shown, the inside of the bridge beam 300 is provided with a protective pad 310, the protective pad 310 and the surface of the bridge beam 300 are both provided with a plurality of limiting holes 320, and the end of the bridge beam 300 and the protective pad 310 close to the vertical rod 111 is provided with a semicircular notch, and the diameter of the semicircular notch is equal to the diameter of the vertical rod 111. When installing the protective pad 310, the protective pad 310 needs to be inserted into the bridge beam 300 through the lower part of the cross rod 453, and then the two ends of the two protective pads 310 close to each other are aligned with the two ends of the two bridge beams 300 close to each other, at this time, the limiting holes 320 on the bridge beam 300 and the protective pad 310 will be aligned, and then the protective pad 310 can be fixed on the surface of the bridge beam 300 by cooperating with the limiting holes 320 through the fixing part, and the protective pad 310 is made of rubber.

[0029] The utility model discloses in using, first the device is installed in the preset position, then the protective pad 310 is inserted into the bridge beam 300, then the protective pad 310 is assembled in the bridge beam 300 through bolt and screw cap cooperation limiting hole 320 and make the slider be located the most upper end, then the cable can be laid on the bridge beam 300,

[0030] When it is needed to increase the distance between the two bridge beams 300, the motor 420 is manually started, the motor 420 rotates and drives the threaded rod 430 to rotate, so that the first sliding block 410 moves downward, and the two supporting rods 452 expand toward the two ends of the bridge beam 300 and push the bridge beam 300 to the two sides when the first sliding block 410 moves downward, and the second sliding block 461 at the bottom end of the two bridge beams 300 slides backward in the sliding groove 460 along the limiting rod 462, and the motor 420 can be turned off when the bridge beam 300 moves to the appropriate position. When it is needed to reduce the distance between the two bridge beams 300, the motor 420 is only needed to be started in reverse, the motor 420 drives the threaded block to rotate in reverse, so that the first sliding block 410 moves upward, and the two connecting blocks 451 move upward at the same time and merge, so that the two bridge beams 300 are contracted, thereby reducing the distance between the two bridge beams 300.

[0031] It should be noted that the threaded rod 430, the motor 420 and the protective pad 310 in the above description are all devices that are relatively mature in application of prior art, and the specific model can be selected according to actual needs, and the power supply of the motor 420 can be built-in power supply or mains power supply, and the specific power supply mode is selected as needed, which will not be described here.

[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An adjustable combined large-span cable tray, characterized in that, Include: The column (100), the support plate (110) fixedly connected to the top end of the column (100) and the bridge beam (300) arranged on the upper surface of the support plate (110), the top end of the support plate (110) is fixedly connected with the vertical rod (111); Support mechanism (400), the support mechanism (400) includes a first sliding block (410) slidingly connected to the surface of the vertical rod (111), the surface of the first sliding block (410) is threadedly connected with a threaded rod (430), the surface of the first sliding block (410) is slidingly connected with a positioning rod (440), the first sliding block (410) and the bridge beam (300) are provided with adjusting assembly (450).

2. The adjustable combined long-span cable tray according to claim 1, characterized in that: The adjusting assembly (450) includes two connecting blocks (451) fixedly connected to the bottom end of the first sliding block (410), the inner wall of the connecting block (451) is hinged with a support rod (452), the end of the support rod (452) away from the connecting block (451) is rotatably connected with a cross bar (453), the cross bar (453) is fixedly connected to the inner wall of the bridge beam (300).

3. The adjustable modular long-span cable tray of claim 1, wherein: The top end of the vertical rod (111) is fixedly connected with a fixed plate (200), the bottom end of the fixed plate (200) is fixedly connected with a motor (420), the bottom end of the motor (420) is fixedly connected with the top end of the threaded rod (430).

4. The adjustable modular long-span cable tray of claim 3, wherein: The bottom end of the threaded rod (430) is rotatably connected to the vertical rod (111), the top end of the positioning rod (440) is fixedly connected to the bottom end of the fixed plate (200), the bottom end of the positioning rod (440) is fixedly connected to the vertical rod (111).

5. The adjustable modular long-span cable tray of claim 1, wherein: The bottom end of the support plate (110) is provided with two sliding grooves (460), the inner wall of the sliding groove (460) is fixedly connected with a limiting rod (462), the surface of the limiting rod (462) is slidingly connected with a second sliding block (461), the second sliding block (461) is fixedly connected to the bottom end of the bridge beam (300).

6. The adjustable modular long-span cable tray of claim 1, wherein: The inside of the bridge beam (300) is provided with a protective pad (310), a plurality of limiting holes (320) are formed in the surface of the protective pad (310) and the bridge beam (300).

7. The adjustable modular long-span cable tray of claim 1, wherein: The end of the bridge beam (300) and the protective pad (310) close to the vertical rod (111) is provided with a semicircular notch, the diameter of the semicircular notch is equal to the diameter of the vertical rod (111).

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