Stay wire test device for safety monitoring of communication iron tower

Abstract

The utility model relates to a stay wire test device for safety monitoring of a communication iron tower, which meets the test requirement of building a safety monitoring model of the communication iron tower. The device is arranged in an outdoor open field and comprises a tower footing, a tower body is fixedly arranged on the tower footing, a pulley fixing ground beam is arranged on one side of the tower body, a loading ground beam is arranged on the outer side of the pulley fixing ground beam, a fixed pulley is arranged on the pulley fixing ground beam, and a pull wire plate is fixed to the loading ground beam. The tower body-fixed pulley-pull wire plate is connected with a tension cable, and the tension cable is sequentially connected with a detacher, a chain block and a tension meter in series between the fixed pulley and the pull wire plate. According to the utility model, by simulating different strains loaded on the tensile force of the communication iron tower in various states, the external force loading amplitude is associated with the strains of the communication iron tower under different health degrees, and a data model can be applied to safety monitoring of the communication iron tower.

Description

TECHNICAL FIELD

[0001] The utility model belongs to communication tower field relates to a communication tower safety monitoring guyed test device. BACKGROUND

[0002] Communication tower is the transit equipment of guaranteeing regional communication, in order to ensure the stability of communication signal, communication tower is usually high, and the relatively open area is selected to build. In order to ensure the structural stability of communication tower, some communication towers adopt guyed fixing, and some communication towers adopt bolt flange sectional splicing. In the long-term use process of communication tower, whether guyed or fixed bolt, there is the possibility of damage or loosening, therefore, the safety of communication tower needs to be monitored. The safety monitoring of communication tower needs enough sample data, so that the health and safety of communication tower structure can be judged according to the monitoring data. Therefore, the experimental site simulating the actual situation needs to be constructed to simulate the strain condition of communication tower under various loading conditions.

[0003] Specifically, the tension cable is the test loading force of the tension cable: 1. Strain and cable force amplitude: the relationship between the strain of the guyed tower and the change amplitude of the cable force is established, when the guyed tower is damaged, the change amplitude of the strain and the cable force will change, and the structure whether damage occurs and the position of damage can be judged through these changes.

[0004] 2. Inclination and cable force amplitude: the relationship between the inclination of the guyed tower and the change amplitude of the cable force is established, when the guyed tower is damaged, the change amplitude of the inclination and the cable force will change, and the structure whether damage occurs and the position of damage can be judged through these changes.

[0005] 3. Inclination and cable force maximum value: the relationship between the maximum value of the guyed cable force and the maximum value of the inclination in the vibration process is established, when the guyed tower is damaged, the relationship between the maximum value of the guyed cable force and the maximum value of the inclination will change, and the structure whether damage occurs and the position of damage can be judged through these changes. UTILITY MODEL CONTENTS

[0006] The utility model aims at meeting the test demand problem of communication tower safety monitoring model establishment, provides a kind of communication tower safety monitoring guyed test device, and the different strain of tension loading of communication tower under various states is simulated, and the strain under different health degree of communication tower is associated with the magnitude of external force loading.

[0007] The utility model discloses a technical scheme that solves its technical problem is: a communication iron tower safety monitoring's stay test device, set up in the outdoor open space, including tower base, the tower base is fixedly provided with tower body, and one side of tower body is provided with pulley fixed ground beam, and the outside of pulley fixed ground beam is provided with loading ground beam, and the upper of pulley fixed ground beam is provided with fixed pulley, and the loading ground beam is fixed with stay plate, and the tower body-fixed pulley-stay plate is connected with tension cable, and the tension cable is connected with unhooker, chain hoist and tension meter between fixed pulley and stay plate in proper order.

[0008] The device sets fixed site, can test the strain of tower body under the condition of applying predetermined loading force to one side of tower body, test different strain amplitudes under the condition of different health states of tower body (for example bolt loosening, stay damage and the like) under the condition of same loading force, establish tower body strain monitoring model, thereby can adopt the way of applying lateral loading force to the communication iron tower in normal operation to carry out safety monitoring. Among them, chain hoist is used for loading tension, and tension meter displays the loaded tension, and unhooker can simulate the situation of suddenly breaking. The tower body of the device can be single-pipe tower, stay tower, heightening frame, and latticed tower of three-pipe tower, six-pipe tower, eight-pipe tower and the like, and stay ground beam can be selected to be used or not used according to the test needs of different tower bodies.

[0009] As preferred, the tower body is a single-pipe tower, an auxiliary stay plate is arranged on the loading ground beam, and a safety cable is arranged between the upper part of the tower body and the auxiliary stay plate. The tower body of the single-pipe tower is connected by bolt flange, and the safety cable is needed to ensure the safety of the tower body.

[0010] As preferred, the tower body is a stay tower, three stay ground beams are arranged radially around the tower base, and stays are arranged between the tower body of the stay tower and the stay ground beams on each side.

[0011] As preferred, a pre-embedded part fixed with the tower body base is arranged on the tower base ground beam.

[0012] As preferred, a pre-embedded part fixing the outer end of the stay is arranged on the stay ground beam.

[0013] As preferred, one or more stays are arranged on the same side of the tower body.

[0014] As preferred, the stay ground beams are evenly arranged around the tower base.

[0015] As preferred, a gap is arranged between the loading ground beam and the pulley fixed ground beam, and a protective rubber pad is laid on the ground between the loading ground beam and the pulley fixed ground beam.

[0016] As preferred, the stay plate, the fixed pulley and the midpoint of the tower body are arranged on a straight line.

[0017] Preferably, the angle of inclination of the tension cable between the tower body and the fixed pulley is 45°.

[0018] This invention simulates the different strains of communication towers under tensile loading in various states, and establishes a correlation between the magnitude of external force loading and the strain of communication towers under different health conditions, thereby enabling the application of the data model in the safety monitoring of normally operating communication towers. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is the utility model Figure 1 Enlarged view of the structure at point A in the middle.

[0022] Figure 3 This is a schematic diagram of the second structure of this utility model.

[0023] In the diagram: 1. Tower base, 2. Guy wire ground beam, 2a. Pulley fixed ground beam, 3. Tower body, 4. Guy wire, 5. Loading ground beam, 6. Tension cable, 7. Fixed pulley, 8. Unhooking device, 9. Hand chain hoist, 10. Tension gauge, 11. Guy wire plate, 12. Pulley fixed ground beam, 13. Safety cable, 14. Auxiliary tension plate. Detailed Implementation

[0024] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0025] Example 1: A guy wire testing device for safety monitoring of guyed towers, such as Figure 1 , 2 As shown. This device is installed in an open outdoor area. The device includes a tower base 1, with a guy wire ground beam 2 installed every 60 degrees around the tower base. The guy wire ground beams 2 are arranged radially with the midpoint of the tower base 1 as the center. The guy wire ground beams 2 are equipped with embedded parts to fix the outer ends of the guy wires 4.

[0026] In this example, the tower body is a guyed tower, and the tower base 1 is one or more parallel cast-in-place base beams. Embedded parts fixed to the tower body base are installed on the base beams. The tower body 3 is fixedly mounted on the tower base, and guy wires 4 are installed between the tower body 3 and the guyed ground beams 2 on each side. One or more guy wires are installed on the same side of the tower body 1. A pulley-fixed ground beam 12 is installed at the outer end of one of the guyed ground beams 2. A loading ground beam 5 is installed outside the pulley-fixed ground beam 12. For example... Figure 2As shown, a fixed pulley 7 is installed at the outer end of the pulley-fixed ground beam 12. A guy wire plate 11 is fixed to the loading ground beam. A tension cable 6 connects the tower body 3, the fixed pulley 7, and the guy wire plate 11. The guy wire plate 11, the fixed pulley 7, and the midpoint of the tower body 3 are arranged in a straight line. The angle of inclination of the tension cable between the tower body and the fixed pulley is 45°. A release hook 8, a hand chain hoist 9, and a tension gauge 10 are connected in series between the fixed pulley 7 and the guy wire plate 11. The loading ground beam 5 and the pulley-fixed ground beam 12 are arranged vertically, with a gap between them. The release hook 8, the hand chain hoist 9, and the tension gauge 10 are located in the gap. A protective rubber mat is laid on the ground between the loading ground beam 5 and the pulley-fixed ground beam 12.

[0027] This device can simulate the strain amplitude of a tower when subjected to tension from a guy wire, as well as the strain of the tower after the guy wire suddenly breaks after reaching a certain tension. During the simulation, one of the guy wires can be loosened to varying degrees to simulate the difference in tower strain under guy wire detachment and normal guy wire conditions. This allows the establishment of strain models of the tower under healthy and unhealthy guy wire conditions, which can then be applied to the health monitoring of actual communication towers to complete the health monitoring of guyed towers.

[0028] Example 2: A guy wire test device for safety monitoring of a single-tube tower, such as Figure 3 As shown. This device is installed in an open outdoor area. The device includes a tower base 1, on which a single-tube tower body 3 is mounted. A pulley-fixed ground beam 12 is installed on one side of the tower body 3. A loading ground beam 5 is installed outside the pulley-fixed ground beam 12. A fixed pulley 7 is installed on the pulley-fixed ground beam. A guy wire plate 11 is fixed to the loading ground beam. A tension cable 6 connects the tower body 3, the fixed pulley 7, and the guy wire plate 11. A release hook 8, a hand-operated hoist 9, and a tension gauge 10 are connected in series between the fixed pulley and the guy wire plate on the tension cable 6. The guy wire plate 11, the fixed pulley 7, and the midpoint of the tower body 3 are aligned in a straight line. The angle of inclination of the tension cable between the tower body and the fixed pulley is 45°.

[0029] An auxiliary tie plate 14 is installed on the loading ground beam 5, and a safety cable 13 is installed between the upper part of the tower body 3 and the auxiliary tie plate 14.

[0030] The structure between the loading ground beam and the pulley fixing ground beam and Figure 2 Consistent. A gap is provided between the loading ground beam 5 and the pulley fixed ground beam 12, and the release hook 8, hand chain hoist 9, and tension gauge 10 are located in the gap. A protective rubber mat is laid on the ground between the loading ground beam 5 and the pulley fixed ground beam 12.

Claims

1. A guying test device for communication tower safety monitoring, which is arranged in an outdoor open space, characterized in that: The tower base is provided with a tower body fixedly arranged thereon, a pulley fixed beam is arranged on one side of the tower body, a loading beam is arranged on the outer side of the pulley fixed beam, a trolley is arranged on the pulley fixed beam, a tension cable plate is fixed to the loading beam, a tension cable is connected to the tower body, the trolley and the tension cable plate, and a decoupler, a hand-operated hoist and a tension meter are connected in series between the trolley and the tension cable plate.

2. The guying test device for communication tower safety monitoring of claim 1, wherein: The tower body is a single-pipe tower, an auxiliary tension cable plate is arranged on the loading beam, and a safety cable is arranged between the upper part of the tower body and the auxiliary tension cable plate.

3. The guying test device for communication tower safety monitoring of claim 1, wherein: The tower body is a stay tower, three stay beams are radially arranged around the tower base, and a stay cable is arranged between the tower body and each side stay beam.

4. The guying test device for communication tower safety monitoring according to claim 1 or 2 or 3, characterized in that: The tower base beam is provided with a pre-embedded part fixed to the tower body base.

5. The guying test device for communication tower safety monitoring of claim 3, wherein: The stay beam is provided with a pre-embedded part for fixing the outer end of the stay cable.

6. The guying test device for communication tower safety monitoring of claim 3, wherein: One or more stays are arranged on the same side of the tower body.

7. The guying test device for communication tower safety monitoring of claim 3, wherein: The stay beams are evenly arranged around the tower base.

8. The guying test device for communication tower safety monitoring according to claim 1 or 2 or 3, characterized in that: A gap is arranged between the loading beam and the pulley fixed beam, and a protective rubber pad is arranged on the ground between the loading beam and the pulley fixed beam.

9. The guying test device for communication tower safety monitoring according to claim 1 or 2 or 3, characterized in that: The tension cable plate, the trolley and the midpoint of the tower body are arranged on a straight line.

10. The guying test device for communication tower safety monitoring according to claim 1 or 2 or 3, characterized in that: The inclination angle of the tension cable between the tower body and the trolley is 45°.

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