CN220104348U - Self-anchored suspension bridge main cable tension monitoring device - Google Patents
Self-anchored suspension bridge main cable tension monitoring device Download PDFInfo
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- CN220104348U CN220104348U CN202320026581.0U CN202320026581U CN220104348U CN 220104348 U CN220104348 U CN 220104348U CN 202320026581 U CN202320026581 U CN 202320026581U CN 220104348 U CN220104348 U CN 220104348U
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- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a self-anchored suspension bridge main cable tension monitoring device which comprises a base and a main cable, wherein the upper end of the base is fixedly connected with a mounting plate, the front surface of the mounting plate is provided with a chute, the inner wall of the chute is connected with a lifting block in a sliding manner, a first driving mechanism is arranged in the lifting block, the front surface of the lifting block is fixedly connected with a tension tester, part of the tension tester penetrates through the chute, the lower end of the tension tester is fixedly connected with a supporting wheel, the middle part of the main cable is arranged on the supporting wheel, the front surface of the base is provided with two symmetrically arranged clamping blocks, the two ends of the main cable are respectively positioned between the two clamping blocks and the base, and a second driving mechanism is arranged between the clamping blocks and the base. According to the utility model, by arranging the hydraulic cylinder, the lifting block, the servo motor and other mechanisms, the tension of the main cable is automatically monitored, so that the quality of the main cable is ensured, and the device is simple to operate, convenient to use and worthy of popularization.
Description
Technical Field
The utility model relates to the technical field of tension monitoring, in particular to a tension monitoring device for a main cable of a self-anchored suspension bridge.
Background
The self-anchored suspension bridge is a suspension bridge system which does not set gravity type ground anchors, but anchors a main cable by using a stiffening girder end and bears horizontal and vertical component forces of the end of the main cable. The difference between the main girder and the conventional ground anchor type suspension bridge is that the main girder has larger axial pressure because the main cable horizontal component is born by the stiffening girder without the ground anchor. The self-anchored suspension bridge has the advantages of the conventional ground anchored suspension bridge, namely, the cable or chain rope bearing the tensile force is used as a main bearing member, and the self-anchored suspension bridge consists of suspension rope, cable tower, cable saddle, anchorage (a beam end anchor body instead of a ground anchor), a suspender, a bridge deck system and the like. The main load bearing members are suspension ropes, which are mainly subjected to tensile forces, and are generally made of steel materials (steel wires, steel strands, steel cables and the like) with high tensile strength.
At present, the tension of a main cable of a self-anchored suspension bridge needs to be monitored before the main cable is used, so that the performance of the main cable reaches the standard and the safety of the main cable in use is ensured, and the self-anchored suspension bridge main cable tension monitoring device is provided.
Disclosure of Invention
The utility model aims to solve the problem that the tension of a main cable of a self-anchored suspension bridge needs to be monitored before the main cable is used, so that the performance of the main cable is ensured to reach the standard, and the safety of the main cable in use is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a self-anchored suspension bridge main rope pulling force monitoring devices, includes base and main rope, the upper end fixedly connected with mounting panel of base, the front of mounting panel is equipped with the spout, sliding connection has the lifter on the inner wall of spout, be equipped with first actuating mechanism in the lifter, the front fixedly connected with tensile tester of lifter, the part of tensile tester runs through the spout, the lower extreme fixedly connected with supporting wheel of tensile tester, the intermediate position of main rope is arranged in on the supporting wheel, the front of base is equipped with the clamp splice that two symmetries set up, the both ends of main rope are located respectively between two clamp splice and the base, be equipped with second actuating mechanism between clamp splice and the base.
Preferably, the first driving mechanism comprises a screw rod inserted into the lower end of the lifting block, the screw rod is in threaded connection with the lifting block, the lower end of the screw rod is rotationally connected with the inner bottom of the chute, the upper end of the screw rod penetrates through the lifting block and the mounting plate and is fixedly connected with a second gear, the screw rod is rotationally connected with the mounting plate, the upper end of the mounting plate is fixedly connected with a servo motor, and the tail end of an output shaft of the servo motor is fixedly connected with a first gear meshed with the second gear.
Preferably, the second driving mechanism comprises two hydraulic cylinders fixed on one side, close to the base, of the clamping block, the front face of the base is provided with a mounting groove corresponding to the hydraulic cylinders, and one end, far away from the clamping block, of each hydraulic cylinder is fixedly connected with the inner wall of the mounting groove.
Preferably, two guide rods are inserted in the lifting block in a sliding manner, and two ends of each guide rod respectively penetrate through the lifting block and are fixedly connected with the inner wall of the sliding groove.
Preferably, the both sides of mounting panel are all fixedly connected with reinforcing rod, the lower extreme of reinforcing rod and the upper end fixed connection of base.
Preferably, the opposite sides of the clamping blocks and the base are all fixed with insections.
The beneficial effects are that:
1. firstly, arranging the middle part of a main cable on a supporting wheel, then respectively arranging two ends of the main cable in gaps between two clamping blocks and a base, at the moment, starting a hydraulic cylinder to drive the clamping blocks to move towards the direction of the base, clamping and fixing the two ends of the main cable through the clamping blocks to prevent loosening, then starting a servo motor to drive a first gear to rotate, driving a screw rod to rotate through the meshing effect of the first gear and a second gear, driving a lifting block to move upwards and lift through the meshing effect of threads, driving a tension tester to lift through the lifting block, driving the supporting wheel to lift through the tension tester, and pulling the main cable upwards through the supporting wheel, and at the moment, monitoring the tension value of the main cable through the tension tester;
2. meanwhile, through the arrangement of the guide rod, the lifting block can be kept to linearly lift, the lifting block is prevented from being inclined, the mounting plate can be reinforced through the arrangement of the reinforcing rod, the stability of the mounting plate is improved, the friction force between the clamping block and the main cable can be improved, and the stability during clamping is enhanced through the arrangement of the insection.
Drawings
Fig. 1 is a schematic front view of a self-anchored suspension bridge main cable tension monitoring device according to the present utility model;
fig. 2 is a schematic diagram of a side view of a lifting block of a self-anchored suspension bridge main cable tension monitoring device according to the present utility model;
fig. 3 is a schematic side sectional view of a base of a self-anchored suspension bridge main cable tension monitoring device according to the present utility model;
fig. 4 is a schematic diagram of a structure of an a-position of a main cable tension monitoring device of a self-anchored suspension bridge according to the present utility model.
In the figure: the device comprises a base, a 2-clamping block, a 3-reinforcing rod, a 4-mounting plate, a 5-lead screw, a 6-guide rod, a 7-supporting wheel, an 8-tensile tester, a 9-lifting block, a 10-main cable, an 11-hydraulic cylinder, a 12-servo motor, a 13-first gear and a 14-second gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a tension monitoring device for a main cable of a self-anchored suspension bridge comprises a base 1 and a main cable 10, wherein the upper end of the base 1 is fixedly connected with a mounting plate 4 for mounting a lifting block 9, both sides of the mounting plate 4 are fixedly connected with reinforcing rods 3 for reinforcing the mounting plate 4, the lower end of each reinforcing rod 3 is fixedly connected with the upper end of the base 1, the front surface of the mounting plate 4 is provided with a chute, the inner wall of the chute is slidably connected with the lifting block 9 for driving a tension tester 8 to lift, two guide rods 6 are slidably inserted in the lifting block 9 for keeping the lifting block 9 to linearly lift, and both ends of each guide rod 6 respectively penetrate through the lifting block 9 and are fixedly connected with the inner wall of the chute;
in this embodiment, a first driving mechanism is disposed in the lifting block 9, the first driving mechanism includes a screw rod 5 inserted into the lower end of the lifting block 9 and used for driving the lifting block 9 to lift, the screw rod 5 is in threaded connection with the lifting block 9, the lower end of the screw rod 5 is rotationally connected with the inner bottom of the chute, the upper end of the screw rod 5 penetrates through the lifting block 9 and the mounting plate 4 and is fixedly connected with a second gear 14 and used for driving the screw rod 5 to rotate, the screw rod 5 is rotationally connected with the mounting plate 4, the upper end of the mounting plate 4 is fixedly connected with a servo motor 12 and used for driving the first gear 13 to rotate, and the end of an output shaft of the servo motor 12 is fixedly connected with a first gear 13 meshed with the second gear 14 and used for driving the second gear 14 to rotate;
in this embodiment, the front surface of the lifting block 9 is fixedly connected with a tensile tester 8 for monitoring the tensile value of the main cable 10, a portion of the tensile tester 8 penetrates through the chute, the lower end of the tensile tester 8 is fixedly connected with a supporting wheel 7 for supporting the main cable 10, the middle part of the main cable 10 is arranged on the supporting wheel 7, two symmetrically arranged clamping blocks 2 are arranged on the front surface of the base 1 for preventing the main cable 10 from loosening, two ends of the main cable 10 are respectively positioned between the two clamping blocks 2 and the base 1, and insections are fixed on one side of the clamping blocks 2 opposite to the base 1 for improving the friction force between the clamping blocks 2 and the main cable 10 and enhancing the stability during clamping;
in this embodiment, a second driving mechanism is disposed between the clamping block 2 and the base 1, where the second driving mechanism includes two hydraulic cylinders 11 fixed on one side of the clamping block 2 near the base 1, and is used to drive the clamping block 2 to move, a mounting groove corresponding to the hydraulic cylinders 11 is disposed on the front surface of the base 1, and one end of the hydraulic cylinder 11 far from the clamping block 2 is fixedly connected with the inner wall of the mounting groove;
in the embodiment, firstly, the middle part of a main cable 10 is arranged on a supporting wheel 7, then, two ends of the main cable 10 are respectively arranged in gaps between two clamping blocks 2 and a base 1, at the moment, a hydraulic cylinder 11 is started to drive the clamping blocks 2 to move towards the direction of the base 1, two ends of the main cable 10 are clamped and fixed through the clamping blocks 2 to prevent loosening, then a servo motor 12 is started to drive a first gear 13 to rotate, a lead screw 5 is driven to rotate under the action of meshing of the first gear 13 and a second gear 14, the lead screw 5 drives a lifting block 9 to move upwards and lift under the action of meshing of threads, a tensile tester 8 is driven to lift under the action of the lifting block 9, the supporting wheel 7 is driven to lift under the action of the tensile tester 8, the main cable 10 is pulled upwards through the supporting wheel 7, and at the moment, the tensile value of the main cable 10 is monitored under the action of the tensile tester 8; meanwhile, through the arrangement of the guide rod 6, the lifting block 9 can be kept to linearly lift, the lifting block 9 is prevented from being inclined, the mounting plate 4 can be reinforced through the arrangement of the reinforcing rod 3, the stability of the mounting plate 4 is improved, and through the arrangement of the insection, the friction force between the clamping block 2 and the main cable 10 and the stability during clamping can be improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a self-anchored suspension bridge main cable pulling force monitoring devices, includes base (1) and main cable (10), its characterized in that: the utility model discloses a support structure for a cable, including base (1), mounting panel (4), front of mounting panel (4) is equipped with the spout, sliding connection has lifting block (9) on the inner wall of spout, be equipped with first actuating mechanism in lifting block (9), the front fixedly connected with tensile tester (8) of lifting block (9), the part of tensile tester (8) runs through the spout, the lower extreme fixedly connected with supporting wheel (7) of tensile tester (8), on supporting wheel (7) are arranged in to the middle part of main cable (10), the front of base (1) is equipped with clamp splice (2) that two symmetries set up, the both ends of main cable (10) are located between two clamp splice (2) and base (1) respectively, be equipped with second actuating mechanism between clamp splice (2) and base (1).
2. The self-anchored suspension bridge main cable tension monitoring device of claim 1, wherein: the first driving mechanism comprises a screw rod (5) inserted into the lower end of the lifting block (9), the screw rod (5) is in threaded connection with the lifting block (9), the lower end of the screw rod (5) is rotationally connected with the inner bottom of the sliding groove, the upper end of the screw rod (5) penetrates through the lifting block (9) and the mounting plate (4) and is fixedly connected with a second gear (14), the screw rod (5) is rotationally connected with the mounting plate (4), the upper end of the mounting plate (4) is fixedly connected with a servo motor (12), and the tail end of an output shaft of the servo motor (12) is fixedly connected with a first gear (13) meshed with the second gear (14).
3. The self-anchored suspension bridge main cable tension monitoring device of claim 1, wherein: the second driving mechanism comprises two hydraulic cylinders (11) fixed on one side, close to the base (1), of the clamping block (2), mounting grooves corresponding to the hydraulic cylinders (11) are formed in the front face of the base (1), and one end, away from the clamping block (2), of each hydraulic cylinder (11) is fixedly connected with the inner wall of each mounting groove.
4. The self-anchored suspension bridge main cable tension monitoring device of claim 1, wherein: two guide rods (6) are inserted in the lifting block (9) in a sliding mode, and two ends of each guide rod (6) penetrate through the lifting block (9) and are fixedly connected with the inner wall of the sliding groove.
5. The self-anchored suspension bridge main cable tension monitoring device of claim 1, wherein: the two sides of the mounting plate (4) are fixedly connected with reinforcing rods (3), and the lower ends of the reinforcing rods (3) are fixedly connected with the upper ends of the bases (1).
6. The self-anchored suspension bridge main cable tension monitoring device of claim 1, wherein: the opposite sides of the clamping blocks (2) and the base (1) are respectively fixed with insections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026581.0U CN220104348U (en) | 2023-01-06 | 2023-01-06 | Self-anchored suspension bridge main cable tension monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026581.0U CN220104348U (en) | 2023-01-06 | 2023-01-06 | Self-anchored suspension bridge main cable tension monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104348U true CN220104348U (en) | 2023-11-28 |
Family
ID=88869647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320026581.0U Active CN220104348U (en) | 2023-01-06 | 2023-01-06 | Self-anchored suspension bridge main cable tension monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104348U (en) |
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2023
- 2023-01-06 CN CN202320026581.0U patent/CN220104348U/en active Active
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