CN109030181B - Transmission line shaft tower intensity detection device - Google Patents
Transmission line shaft tower intensity detection device Download PDFInfo
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- CN109030181B CN109030181B CN201810990901.8A CN201810990901A CN109030181B CN 109030181 B CN109030181 B CN 109030181B CN 201810990901 A CN201810990901 A CN 201810990901A CN 109030181 B CN109030181 B CN 109030181B
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- 238000001514 detection method Methods 0.000 title claims abstract description 93
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
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- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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Abstract
The invention discloses a power transmission line tower strength detection device, which belongs to the technical field of power detection equipment and comprises a detection platform, a steel cable, an electronic tension meter, a sliding mechanism arranged on the detection platform, a clamping mechanism arranged on one side of the detection platform, a pulling mechanism arranged on the side surface of the detection platform and a supporting mechanism arranged on the detection platform; the sliding mechanism comprises a sliding rail and a sliding table, the sliding table is in sliding connection with the sliding rail, and a fixed pulley is arranged on the sliding table; the traction mechanism comprises an electric traction machine, one end of a steel cable is connected with a transmission line tower, the steel cable bypasses a fixed pulley, the other end of the steel cable is connected with the electric traction machine, and an electronic tension meter is arranged on the steel cable; the supporting mechanism comprises upright rods and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches are arranged at the end parts of the upright rods, and two ends of the supporting belts are respectively connected with the lock catches on the upright rods on two sides. The invention is used for detecting the strength of the transmission line tower and has the characteristics of high automation, convenient operation, labor saving, safety and reliability.
Description
Technical Field
The invention relates to the technical field of electric power pole detection equipment, in particular to a power transmission line pole tower strength detection device.
Background
The transmission line towers are the most common infrastructure in power engineering, and the strength and the firmness of the transmission line towers are related to the power utilization safety. In view of the fact that cracks exist in the power transmission line towers, damage of harmful substances to the power transmission line towers in the transportation process can be aggravated, so that the bearing capacity of the power transmission line towers is reduced, and strength detection is required before the power transmission line towers are put into use.
The patent with the bulletin number of CN 102980797B discloses a pole strength test device, which comprises a frame, wherein the middle part of the frame is provided with a groove for placing a pole, at least two groups of transmission devices which are convenient for the rotation of the pole are arranged on the frame, and a power device for driving the transmission devices to move is arranged on the frame; the invention has the advantages that: the power device drives the transmission device to move, so that the electric pole rotates along with the transmission device in the groove, thereby effectively detecting the strength of the electric pole, effectively reducing the crack degree of the electric pole, prolonging the service life and having good use effect; patent document with publication number CN105954101A discloses a portable test platform of concrete pole, including platform main part, a plurality of pulley, link plate, backing plate, splint, fixing bolt, fixed splint and traction mechanism, the pulley is fixed platform main part side, link plate fixed connection is in platform main part terminal surface, the backing plate is fixed in the platform main part, the backing plate is the arc, traction mechanism includes lever block, wire rope and induction element, wire rope twines on the pulley, wire rope's one end and link plate fixed connection, wire rope's the other end is the free end, induction element sets up on wire rope's body, the platform main part includes a plurality of supports, be split type structure between the adjacent support. This application has solved the inconvenient problem of inspection through setting up the platform main part of multisection structure, but this application complex operation, extravagant manpower, and it does not have the mechanism that supports the pole moreover, and the pole has certain potential safety hazard.
Disclosure of Invention
In view of the above, the invention provides a power transmission line tower strength detection device which is high in automation, convenient to operate, labor-saving, safe and reliable and aims at the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a transmission line shaft tower intensity detection device, includes testing platform, cable wire, electron tensiometer, sets up slide mechanism on the testing platform, sets up the clamping mechanism that is used for pressing from both sides the fixed transmission line shaft tower of testing platform one side, sets up the traction mechanism of testing platform side and sets up the supporting mechanism that is used for supporting the transmission line shaft tower on the testing platform;
The sliding mechanism comprises a sliding rail and a sliding table, the sliding rail is fixed on the detection platform, the sliding table is arranged on the sliding rail and is in sliding connection with the sliding rail, and a fixed pulley is arranged on the sliding table;
the traction mechanism comprises an electric traction machine, one end of the steel cable is connected with the power transmission line tower, the steel cable bypasses the fixed pulley, the other end of the steel cable is connected with the electric traction machine, and the steel cable is provided with the electronic tension meter;
the supporting mechanism comprises upright rods and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches are arranged at the ends of the upright rods, and two ends of the supporting belts are respectively connected with the lock catches on the upright rods on two sides.
Preferably, the clamping mechanism comprises a base, vertical rods and a pressing plate, wherein two vertical rods are fixed on two sides of the base, threads are arranged on the upper ends of the vertical rods, two screw holes are formed on two sides of the pressing plate, and the upper ends of the vertical rods penetrate through the screw holes and are fixed through bolts.
Preferably, the clamping mechanism comprises a bottom plate, support rods and a top plate, wherein one support rod is fixed on two sides of the bottom plate, two support rods are fixedly connected with the top plate, a through hole is formed in the middle of the top plate, an electric telescopic rod is arranged on the top plate, a rod body of the electric telescopic rod extends out of the through hole, and an arc-shaped pressing plate is connected with the tail end of the electric telescopic rod.
Preferably, the base is provided with an arc-shaped concave surface, the pressing plate comprises an arc-shaped plate and flat plates arranged on two sides of the arc-shaped plate, and screw holes are formed in the flat plates.
Preferably, the sliding table is an electric sliding table or a hydraulic sliding table.
Preferably, the electric traction machine is a remote control type electric hoist.
Preferably, a plurality of rollers with brakes are arranged below the detection platform.
The detection method of the power transmission line tower strength detection device comprises the following steps: 1) Hanging the power transmission line tower above the detection platform, clamping and fixing the end part of the power transmission line tower by using the clamping mechanism, adjusting a supporting belt of the supporting mechanism to keep the power transmission line tower stable, and removing a hanging rope;
2) Adjusting the sliding mechanism to enable the sliding table to move to a designated position, fixing one end of the steel cable to the power transmission line tower, enabling the steel cable to pass through the fixed pulley, fixing the other end of the steel cable to the pulling mechanism, starting the pulling mechanism, observing whether cracks appear on the surface of the power transmission line tower, and recording the indication of the electronic tension meter when the cracks appear;
3) The position of the sliding table is adjusted, so that the power transmission line tower is subjected to tension forces of different angles of the steel cable, and the indication of the electronic tension meter when the power transmission line tower is cracked is recorded under tension forces in all directions;
4) And after the detection is finished, loosening the clamping mechanism, and removing the transmission line tower.
Compared with the prior art, the invention has the following beneficial effects:
According to the power transmission line tower strength detection device, the clamping mechanism at one side of the detection platform is used for fixing the power transmission line tower, the supporting mechanism on the detection platform plays an auxiliary supporting role, the stability and safety of clamping the power transmission line tower are guaranteed, the sliding mechanism on the detection platform is convenient for flexibly adjusting the direction and the position of a steel cable, the power transmission line tower is subjected to multi-direction detection, the fixed pulleys on the sliding table can rotate the steel cable tensile force in different directions into horizontal tensile force, and the purpose of completing the tensile force detection in different directions under the condition that the position of the pulling mechanism is not moved is achieved, so that the power transmission line tower strength detection device is convenient to use; the two vertical rod tops of the supporting mechanism are connected with the supporting belt, after the end part of the power transmission line pole tower is fixed on the clamping mechanism, the supporting belt is tensioned and fixed through the lock buckle at the upper end of the vertical rod, the power transmission line pole tower can be prevented from being damaged through flexible supporting of the supporting belt, the probability of crack generation is increased, and inaccurate detection is caused.
In addition, the clamping mechanism adopts the arc-shaped base and the arc-shaped pressing plate to clamp the power transmission line tower, so that on one hand, the clamping mechanism is uniformly stressed, the damage of the clamping mechanism is avoided, on the other hand, the activity of the power transmission line tower can be prevented, the detection is influenced, and the clamping mechanism adopting the electric telescopic rod is more convenient and labor-saving to operate; when a user detects a transmission line tower, observing the generation of cracks at one end far away from the electric traction machine, and once the cracks are found, pressing a stop remote control switch, one person can finish the detection, so that the labor is saved, and the detection value is ensured to be accurate; and the rollers are arranged below the detection platform, so that the power transmission line pole and tower strength detection device is convenient to move, and the flexibility is high.
Drawings
FIG. 1 is a schematic diagram of a first, second, and fourth embodiment of the present invention;
FIG. 2 is a schematic structural view of a third embodiment of the present invention;
FIG. 3 is a left side view of FIG. 2;
the device comprises a 1-detection platform, a 2-steel cable, a 3-electronic tension meter, a 4-transmission line tower, a 5-sliding rail, a 6-sliding table, a 7-fixed pulley, an 8-electric traction machine, a 9-vertical rod, a 10-lock catch, an 11-base, a 12-vertical rod, a 13-pressing plate, a 14-bottom plate, a 15-supporting rod, a 16-top plate, a 17-electric telescopic rod, an 18-arc-shaped pressing plate, 19-supporting legs and 20-rollers.
Detailed Description
For a better understanding of the present invention, the following examples are set forth to further illustrate the invention, but are not to be construed as limiting the invention. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details.
Example 1
As shown in fig. 1, the power transmission line tower strength detection device comprises a detection platform 1, a steel cable 2, an electronic tension meter 3, a sliding mechanism arranged on the detection platform 1, a clamping mechanism arranged on one side of the detection platform 1 and used for clamping and fixing a power transmission line tower 4, a pulling mechanism arranged on the side surface of the detection platform 1 and a supporting mechanism arranged on the detection platform 1 and used for supporting the power transmission line tower 4;
the sliding mechanism comprises a sliding rail 5 and a sliding table 6, the sliding rail 5 is fixed on the detection platform 1, the sliding table 6 is arranged on the sliding rail 5, the sliding table 6 is in sliding connection with the sliding rail 5, and a fixed pulley 7 is arranged on the sliding table 6;
The traction mechanism comprises an electric traction machine 8, one end of the steel cable 2 is connected with the power transmission line tower 4, the steel cable 2 bypasses the fixed pulley 7, the other end of the steel cable 2 is connected with the electric traction machine 8, and the steel cable 2 is provided with the electronic tension meter 3;
the supporting mechanism comprises upright rods 9 and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches 10 are arranged at the end parts of the upright rods 9, and two ends of each supporting belt are respectively connected with the lock catches 10 on the upright rods 9 on two sides.
The detection method of the power transmission line tower strength detection device provided by the embodiment of the invention comprises the following steps of: 1) Hanging the power transmission line tower above the detection platform, clamping and fixing the end part of the power transmission line tower by using the clamping mechanism, adjusting a supporting belt of the supporting mechanism to keep the power transmission line tower stable, and removing a hanging rope;
2) Adjusting the sliding mechanism to enable the sliding table to move to a designated position, fixing one end of the steel cable to the power transmission line tower, enabling the steel cable to pass through the fixed pulley, fixing the other end of the steel cable to the pulling mechanism, starting the pulling mechanism, observing whether cracks appear on the surface of the power transmission line tower, and recording the indication of the electronic tension meter when the cracks appear;
3) The position of the sliding table is adjusted, so that the power transmission line tower is subjected to tension forces of different angles of the steel cable, and the indication of the electronic tension meter when the power transmission line tower is cracked is recorded under tension forces in all directions;
4) And after the detection is finished, loosening the clamping mechanism, and removing the transmission line tower.
According to the power transmission line tower strength detection device, the clamping mechanism at one side of the detection platform is used for fixing the power transmission line tower, the supporting mechanism on the detection platform plays an auxiliary supporting role, stability and safety of clamping the power transmission line tower are guaranteed, the sliding mechanism on the detection platform is convenient for flexibly adjusting the direction and the position of a steel cable, the power transmission line tower is subjected to multi-direction detection, the fixed pulleys on the sliding table can rotate the steel cable tensile force in different directions into horizontal tensile force, and the tension detection in different directions can be completed under the condition that the position of the traction mechanism is not moved, so that the power transmission line tower strength detection device is convenient to use; the two vertical rod tops of the supporting mechanism are connected with the supporting belt, after the end part of the power transmission line pole tower is fixed on the clamping mechanism, the supporting belt is tensioned and fixed through the lock buckle at the upper end of the vertical rod, the power transmission line pole tower can be prevented from being damaged through flexible supporting of the supporting belt, the probability of crack generation is increased, and inaccurate detection is caused.
Example two
As shown in fig. 1, the power transmission line tower strength detection device comprises a detection platform 1, a steel cable 2, an electronic tension meter 3, a sliding mechanism arranged on the detection platform 1, a clamping mechanism arranged on one side of the detection platform 1 and used for clamping and fixing a power transmission line tower 4, a pulling mechanism arranged on the side surface of the detection platform 1 and a supporting mechanism arranged on the detection platform 1 and used for supporting the power transmission line tower 4;
the sliding mechanism comprises a sliding rail 5 and a sliding table 6, the sliding rail 5 is fixed on the detection platform 1, the sliding table 6 is arranged on the sliding rail 5, the sliding table 6 is in sliding connection with the sliding rail 5, and a fixed pulley 7 is arranged on the sliding table 6;
The traction mechanism comprises an electric traction machine 8, one end of the steel cable 2 is connected with the power transmission line tower 4, the steel cable 2 bypasses the fixed pulley 7, the other end of the steel cable 2 is connected with the electric traction machine 8, and the steel cable 2 is provided with the electronic tension meter 3;
the supporting mechanism comprises upright rods 9 and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches 10 are arranged at the end parts of the upright rods 9, and two ends of each supporting belt are respectively connected with the lock catches 10 on the upright rods 9 on two sides.
The power transmission line tower strength detection device of the embodiment of the invention is different from the first embodiment in that: the clamping mechanism comprises a base 11, vertical rods 12 and a pressing plate 13, wherein two vertical rods 12 are fixed on two sides of the base 11, threads are formed at the upper ends of the vertical rods 12, two screw holes are formed on two sides of the pressing plate 13, the upper ends of the vertical rods 12 penetrate through the screw holes and are fixed through bolts, an arc-shaped concave surface is formed on the base 11, the pressing plate 13 comprises an arc-shaped plate and flat plates arranged on two sides of the arc-shaped plate, screw holes are formed in the flat plates, the arc-shaped plate and the base clamp the power transmission line pole tower, and the upper ends of the vertical rods penetrate through the screw holes in the flat plates and are fixed through bolts; four supporting feet are arranged below the base 11 and are connected with the detection platform 1 through bolts.
In the embodiment of the invention, the clamping mechanism adopts the base with the arc-shaped concave surface and the arc-shaped plate to clamp the power transmission line tower, so that the clamping mechanism is uniformly stressed, the damage of the clamping mechanism is avoided, and the activity of the power transmission line tower can be prevented, and the detection is influenced.
Example III
As shown in fig. 2 to 3, the strength detection device for a power transmission line tower according to the embodiment of the present invention is different from the first and second embodiments in that: the clamping mechanism comprises a bottom plate 14, supporting rods 15 and a top plate 16, wherein the supporting rods 15 are fixed on two sides of the bottom plate 14, the upper ends of the two supporting rods 15 are fixedly connected with the top plate 16, a through hole is formed in the middle of the top plate 16, an electric telescopic rod 17 is arranged on the top plate 16, a rod body of the electric telescopic rod 17 extends out of the through hole, and the tail end of the rod body of the electric telescopic rod is connected with an arc-shaped pressing plate 18; four supporting legs 19 are arranged below the bottom plate 14, and the supporting legs 19 are connected with the detection platform 1 through bolts; the sliding table 6 is an electric sliding table.
In the embodiment of the invention, when the electric transmission line tower is used, after one end of the electric transmission line tower is hung on the base, the electric telescopic rod is started, the rod body of the electric telescopic rod drives the arc-shaped pressing plate to move downwards, the electric transmission line tower is pressed and fixed, the clamping mechanism clamps and fixes the electric transmission line tower by adopting the electric telescopic rod, the operation is labor-saving and quick, and the sliding table adopts the electric sliding table, so that the position of the sliding table can be accurately moved, the representativeness and the accuracy of detection are ensured, and the electric transmission line tower clamp is convenient to use and saves manpower.
Example IV
As shown in fig. 1, the power transmission line tower strength detection device comprises a detection platform 1, a steel cable 2, an electronic tension meter 3, a sliding mechanism arranged on the detection platform 1, a clamping mechanism arranged on one side of the detection platform 1 and used for clamping and fixing a power transmission line tower 4, a pulling mechanism arranged on the side surface of the detection platform 1 and a supporting mechanism arranged on the detection platform 1 and used for supporting the power transmission line tower 4;
the sliding mechanism comprises a sliding rail 5 and a sliding table 6, the sliding rail 5 is fixed on the detection platform 1, the sliding table 6 is arranged on the sliding rail 5, the sliding table 6 is in sliding connection with the sliding rail 5, and a fixed pulley 7 is arranged on the sliding table 6;
The traction mechanism comprises an electric traction machine 8, one end of the steel cable 2 is connected with the power transmission line tower 4, the steel cable 2 bypasses the fixed pulley 7, the other end of the steel cable 2 is connected with the electric traction machine 8, and the steel cable 2 is provided with the electronic tension meter 3;
the supporting mechanism comprises upright rods 9 and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches 10 are arranged at the end parts of the upright rods 9, and two ends of each supporting belt are respectively connected with the lock catches 10 on the upright rods 9 on two sides.
The clamping mechanism comprises a base 11, vertical rods 12 and a pressing plate 13, wherein two vertical rods 12 are fixed on two sides of the base 11, threads are arranged at the upper ends of the vertical rods 12, two screw holes are formed in two sides of the pressing plate 13, the upper ends of the vertical rods 12 penetrate through the screw holes and are fixed through bolts, an arc-shaped concave surface is arranged on the base 11, the pressing plate 13 comprises an arc-shaped plate and a flat plate arranged on two sides of the arc-shaped plate, screw holes are formed in the flat plate, four supporting legs are arranged below the base 11, and the supporting legs are connected with the detection platform 1 through bolts.
The power transmission line tower strength detection device of the embodiment of the invention is different from the first, second and third embodiments in that: the sliding table 6 is a hydraulic sliding table, the electric traction machine 8 is a remote control type electric hoist, when a user detects a transmission line tower, the user observes that cracks are generated at one end far away from the electric traction machine 8, and once the cracks are found, a stop button on a remote control switch is pressed, so that one person can finish detection, labor is saved, and the detection value is ensured to be accurate; the roller 20 with the brake is arranged below the detection platform 1, so that the power transmission line tower strength detection device can be conveniently moved, and the flexibility is high.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (2)
1. The utility model provides a transmission line shaft tower intensity detection device which characterized in that: the device comprises a detection platform, a steel cable, an electronic tension meter, a sliding mechanism arranged on the detection platform, a clamping mechanism arranged on one side of the detection platform and used for clamping and fixing a power transmission line tower, a pulling mechanism arranged on the side surface of the detection platform and a supporting mechanism arranged on the detection platform and used for supporting the power transmission line tower;
The sliding mechanism comprises a sliding rail and a sliding table, the sliding rail is fixed on the detection platform, the sliding table is arranged on the sliding rail and is in sliding connection with the sliding rail, and a fixed pulley is arranged on the sliding table;
the traction mechanism comprises an electric traction machine, one end of the steel cable is connected with the power transmission line tower, the steel cable bypasses the fixed pulley, the other end of the steel cable is connected with the electric traction machine, and the steel cable is provided with the electronic tension meter;
The supporting mechanism comprises upright rods and supporting belts which are symmetrically arranged on two sides of the sliding rail, lock catches are arranged at the end parts of the upright rods, and two ends of the supporting belts are respectively connected with the lock catches on the upright rods on two sides;
The clamping mechanism comprises a bottom plate, support rods and a top plate, wherein one support rod is fixed on two sides of the bottom plate, the upper ends of the two support rods are fixedly connected with the top plate, a through hole is formed in the middle of the top plate, an electric telescopic rod is arranged on the top plate, a rod body of the electric telescopic rod extends out of the through hole, and the tail end of the electric telescopic rod is connected with an arc-shaped pressing plate; four supporting legs are arranged below the bottom plate and are connected with the detection platform through bolts;
the sliding table is an electric sliding table or a hydraulic sliding table; the electric traction machine is a remote control type electric hoist;
the detection method of the power transmission line tower strength detection device comprises the following steps:
1) Hanging the power transmission line tower above the detection platform, clamping and fixing the end part of the power transmission line tower by using the clamping mechanism, adjusting a supporting belt of the supporting mechanism to keep the power transmission line tower stable, and removing a hanging rope;
2) Adjusting the sliding mechanism to enable the sliding table to move to a designated position, fixing one end of the steel cable to the power transmission line tower, enabling the steel cable to pass through the fixed pulley, fixing the other end of the steel cable to the pulling mechanism, starting the pulling mechanism, observing whether cracks appear on the surface of the power transmission line tower, and recording the indication of the electronic tension meter when the cracks appear;
3) The position of the sliding table is adjusted, so that the power transmission line tower is subjected to tension forces of different angles of the steel cable, and the indication of the electronic tension meter when the power transmission line tower is cracked is recorded under tension forces in all directions;
4) And after the detection is finished, loosening the clamping mechanism, and removing the transmission line tower.
2. The transmission line tower strength detection device according to claim 1, wherein: and a plurality of rollers with brakes are arranged below the detection platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990901.8A CN109030181B (en) | 2018-08-28 | 2018-08-28 | Transmission line shaft tower intensity detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990901.8A CN109030181B (en) | 2018-08-28 | 2018-08-28 | Transmission line shaft tower intensity detection device |
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| CN109030181A CN109030181A (en) | 2018-12-18 |
| CN109030181B true CN109030181B (en) | 2024-08-06 |
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| CN109406260B (en) * | 2018-12-23 | 2021-01-12 | 常州市一马机械有限公司 | Bending strength detection device for stainless steel hollow pipe |
| CN112179692A (en) * | 2020-09-23 | 2021-01-05 | 佛山电力设计院有限公司 | Movable tower experiment platform with electric track |
| CN119880653A (en) * | 2025-03-26 | 2025-04-25 | 广州汇通电力科技有限公司潍坊分公司 | A transmission line tower strength detection device |
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| CN205562275U (en) * | 2016-05-05 | 2016-09-07 | 河南鼎力杆塔股份有限公司 | Pole testing platform |
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| KR20160037494A (en) * | 2014-09-29 | 2016-04-06 | 한국전력공사 | Concrete Pole Diagnostic Testing Apparatus |
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| CN105148460B (en) * | 2015-08-05 | 2017-06-16 | 上海交通大学 | A kind of active elbow joint rehabilitation machines |
| CN105954101B (en) * | 2016-05-05 | 2018-12-04 | 河南鼎力杆塔股份有限公司 | A kind of concurrent movable test platform |
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| CN107700559B (en) * | 2017-11-30 | 2023-05-12 | 国家电网公司 | A tension-compression integrated connection device for transmission line tower foundation strength test |
| CN207502301U (en) * | 2017-11-30 | 2018-06-15 | 国网河南省电力公司南阳供电公司 | A kind of mechanical tensile testing machine |
| CN107892246B (en) * | 2017-12-22 | 2024-05-07 | 斯泰必鲁斯（江苏）有限公司 | Automatic lifting system of electric stay bar label printer |
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| CN102916371A (en) * | 2012-11-13 | 2013-02-06 | 国家电网公司 | Method and device for repairing overhead ground wire |
| CN205562275U (en) * | 2016-05-05 | 2016-09-07 | 河南鼎力杆塔股份有限公司 | Pole testing platform |
| CN208653924U (en) * | 2018-08-28 | 2019-03-26 | 国网河南省电力公司西峡县供电公司 | A kind of electric power line pole tower intensity detecting device |
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