CN114414855A - High-voltage live detection device for high safety - Google Patents
High-voltage live detection device for high safety Download PDFInfo
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- CN114414855A CN114414855A CN202210065811.4A CN202210065811A CN114414855A CN 114414855 A CN114414855 A CN 114414855A CN 202210065811 A CN202210065811 A CN 202210065811A CN 114414855 A CN114414855 A CN 114414855A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses a high-voltage live detection device for high safety in the technical field of high-voltage cable detection equipment, and discloses a high-voltage live detection device for high safety. According to the invention, the manned frame and the first pulley mechanism are pulled forwards, so that an operator can stand stably when carrying out detection operation at high altitude, the operator is prevented from climbing on a cable to carry out detection operation, the safety of actual detection is greatly improved, convenient forward movement can be realized through manual operation during continuous detection operation, the convenience of live detection is greatly improved, the operator can easily carry out detection operation, the influence on the operation quality when climbing on the cable is avoided, the safety is ensured, the effective detection of an effective high-voltage cable is realized, and the use effect is good.
Description
Technical Field
The invention relates to the technical field of high-voltage cable detection equipment, in particular to a high-voltage live detection device with high safety.
Background
The high-voltage power line is a life line of national economy, and a power transmission line and power equipment are ubiquitous in an actually-operated power system, so that the reliable and safe operation of the high-voltage power line and the power equipment is directly related to the reliability of the whole power grid. Therefore, detecting the discharge state of the transmission line and the power equipment becomes a necessary means for grasping the operation state thereof, and also becomes an important guarantee for ensuring safe and reliable power supply of the power system.
At present, when high-voltage live detection is carried out, a detection worker usually wears a protective suit and climbs on a high-voltage cable, the live cable is detected through an electricity testing device, an operator is required to hang a safety rope and move in a cable area for continuous detection so as to ensure complete detection, however, the operator only relies on the safety rope to ensure safety in the actual detection process, and in the continuous detection process, the operator is required to carefully move wings, even though the operator is protected by the safety rope, the operator still has improper operation and falls off the cable, the operator needs to climb again for detection, the psychological quality requirement on the operator is too high, and the operator has poor stability during actual detection due to lack of stable protective supporting measures when moving on the cable, the detection is difficult to effectively complete, and the capability requirement on the operator is too high, the use effect is not good.
In addition, when carrying out high-voltage live detection at present, adopt operating personnel to utilize the installation slide rope to remove between two sets of cables, and accomplish the detection at the removal in-process gradually, actually owing to be aerial work, the lifting surface effect that the operator can actually support, need carefully operate when moving the operation, the speed that actually removes is slower, when detecting the electrification to longer high-voltage cable end, it is longer to consume time, and it is too big to operating personnel's volume physical demands, it detects to need the person change usually, the efficiency of actually accomplishing cable detection is lower, the result of use is not good.
Disclosure of Invention
The present invention is directed to a high voltage live detection device with high safety to solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-voltage live detection device for high safety comprises a manned frame and a carrying frame, wherein the side surface of the manned frame is fixedly connected with a connecting rope, the top surface of the connecting rope is fixedly connected with a mounting plate, the top of the mounting plate is movably provided with a first pulley mechanism, the number of the first pulley mechanism is two, a first connecting rod is fixedly connected between the two first pulley mechanisms, the end surface of the first connecting rod is fixedly connected with a first plate, the bottom surface of the first plate is fixedly connected with a first bottom plate, the top surface of the carrying frame is fixedly connected with a second bottom plate, the top surface of the second bottom plate is fixedly connected with a second plate, the side surface of the second plate is fixedly connected with a control mechanism, the outer surface of the control mechanism is movably sleeved with the first plate, the side surface of the second plate is fixedly connected with a second connecting rod, and the end surface of the second connecting rod is fixedly connected with a second pulley mechanism, the inner surface of carrying the thing frame is fixed mounting respectively has pump oil mechanism, oil tank and tribit cross valve, the side fixed mounting of bottom plate two has winding mechanism, winding mechanism's inside is around having the one end of rolling rope, the other end of rolling rope pass bottom plate two and with bottom plate one fixed connection, the side fixed mounting of bottom plate one has detection mechanism, the fixed intercommunication in top of tribit cross valve has the distribution device, distribution device and No. two pulley mechanism fixed intercommunication, fixed intercommunication has the pipe No. one between tribit cross valve and the oil tank, fixed intercommunication has the pipe No. two between winding mechanism and the tribit cross valve, fixed intercommunication has the pipe No. three between winding mechanism and No. two pulley mechanism, the positive fixedly connected with of carrier frame is hung and is buckled.
The first embodiment: as shown in fig. 1, 3, 4, 5, 6 and 7, a first pulley mechanism and a second pulley mechanism are simultaneously arranged on the tops of two adjacent groups of high-voltage cables, so that the cables are clamped on the inner surfaces of the first wheel and the second wheel, a connecting curved rod on the bottom surface of the first pulley mechanism is sleeved in a mounting plate, a locking sleeve is arranged on the connecting curved rod from below, an electricity testing sleeve is sleeved on the high-voltage cables, a manned frame and a carrying frame are suspended below the two groups of cables at the moment, an operator connects a safety rope on the outer side of a safety suit with a hanging buckle on the front side of the manned frame, the operator logs in the manned frame and carries out current position cable detection, after the detection is finished, the operator holds the control mechanism with two hands and pushes the control mechanism forwards, so that the control mechanism drives the second plate to move, the second pulley mechanism slides along the top surface of the cables along with the movement of the second plate, and the carrying frame moves along with the carrying frame, the rolling rope is in a straightening state, the second pulley mechanism is far away from the first pulley mechanism, an operator controls the first controller and enables the three-position four-way valve to act, the second controller is started and the oil pumping mechanism is started, the oil pumping mechanism pumps pressure oil from the oil tank and enters the distribution mechanism after passing through the three-position four-way valve, the pressure oil enters a fixed pipe of the second pulley mechanism through an outflow pipe of the distribution mechanism and pushes a movable plug in the fixed pipe to move, so that a push plate slides out of a through hole and clamps a cable, meanwhile, along with the movement of the movable plug, part of the pressure oil enters a sealing cover of the rolling mechanism through a group of third pipes on the bottom surface of the fixed pipe, along with the entering of the pressure oil, the pressure oil pushes blades to rotate, so that a rotating shaft drives the rolling wheel to rotate, and meanwhile, the rolling rope is gradually rolled and wound, so that the manned frame and the first pulley mechanism are pulled forwards, when the first plate and the second plate are pulled to be close to each other, the first controller is controlled to enable the three-position four-way valve to act to reset and close the second controller, pressure oil flows back, the oil pump stops, and an operator moves to a target position.
Firstly, the oil pumping mechanism is used for providing power, the oil supply of the oil pumping mechanism is realized by controlling the control mechanism, the pressure oil is effectively utilized to realize the clamping and fixing of the cable when flowing to the position of the pulley mechanism II, so that the pulley mechanism II is ensured to obtain stable fixing effect, the pressure oil continuously provided is utilized to push the blades and the rotating shaft in the winding mechanism to rotate, so that the winding wheel is used for winding up the winding rope, the manned frame and the pulley mechanism I are pulled forwards, an operator can stably stand when carrying out detection operation at high altitude, the operator is prevented from climbing on the cable to carry out detection operation, the safety of actual detection is greatly improved, in addition, the convenient advance can be realized through manual operation during the actual continuous detection operation, the convenience of live detection is greatly improved, and the operator can easily carry out detection operation, influence operating quality when avoiding the climbing to remove on the cable, realize effective high tension cable's effective detection when guaranteeing safety, excellent in use effect.
In addition, through utilizing the manual back that advances that promotes No. two pulley mechanism, the cooperation control is controlled the mechanism and is made to press from both sides tight fixed No. two pulley mechanism and drag a pulley mechanism and advance, the removal mode of avoiding the user to adopt the climbing of bowing carries out continuous detection, the convenience of removal has been improved, the efficiency that the operator carries out continuous detection time measuring on high tension cable has been improved greatly, the translation rate is fast, detect operation is simple, thereby save the required time that stops the detection, shorten the time of operator at high altitude construction, reduce the risk ratio, excellent in use effect.
As a further scheme of the invention, the first pulley mechanism comprises a first wheel, a movable sleeve, a connecting curved rod and a locking sleeve, the side surface of the first wheel is fixedly connected with a first connecting rod, the movable sleeve is movably sleeved inside the first wheel, the upper end of the connecting curved rod is fixedly connected with the first wheel, the outer surface of the connecting curved rod is movably sleeved with a mounting plate, the locking sleeve is sleeved at the lower end of the connecting curved rod in a threaded manner, the connecting curved rods are symmetrically distributed on two sides of the first wheel, the distance between the lower ends of the two groups of connecting curved rods is larger than the diameter of a cable, the cable can be sleeved inside the first wheel, and the movable sleeve and the cable roll relatively when the first pulley mechanism is pulled to move by utilizing the free rotation of the movable sleeve, so that the pulling effect is improved.
As a further proposal of the invention, the second pulley mechanism comprises a second wheel, a fixed sleeve, a through hole, a fixed pipe, a spring, a movable plug, a push rod and a push plate, the fixed sleeve is fixedly sleeved inside the second wheel, the through hole is arranged below the side surface of the second wheel, the fixed tube is fixedly connected on the side surface of the second wheel, the spring is fixedly connected in the inner surface of the fixed tube, the outer end of the spring is fixedly connected with the movable plug, the push rod is fixedly connected on the side surface of the movable plug, the push plate is fixedly connected on the side surface of the push rod, the movable plug is pushed to move by utilizing pressure oil, thereby the push plate moves and clamps the cable, the second pulley mechanism is fixed with the cable, a stress point for pulling the first pulley mechanism is provided, and the diameter of the fixed sleeve is the same as that of the movable sleeve, so that the first wheel and the second wheel are kept to be consistent horizontally.
As a further scheme of the invention, the winding mechanism comprises a fixed frame, a rotating shaft, a winding wheel, a blade and a sealing cover, the sealing cover is fixedly connected to the side face of the fixed frame, the rotating shaft is movably sleeved inside the fixed frame, the winding wheel is fixedly sleeved on the outer surface of the rotating shaft, the blade is fixedly connected to the outer surface of the rotating shaft and is positioned in the sealing cover, the outer surface of the sealing cover is respectively and fixedly communicated with a second pipe and a third pipe, the blade is continuously impacted by utilizing pressure oil, the rotation of the rotating shaft is realized, and the manned frame and the first pulley mechanism are pulled.
As a further scheme of the invention, the oil pumping mechanism comprises an oil pump, a transverse pipe and a vertical pipe, wherein the transverse pipe and the vertical pipe are respectively and fixedly communicated with an oil inlet end and an oil outlet end of the oil pump, the outer end of the transverse pipe is fixedly communicated with an oil tank, the upper end of the vertical pipe is fixedly communicated with a three-position four-way valve, and the oil pump is used for providing pressure oil to improve power.
As a further scheme of the invention, the distribution mechanism comprises a communication sleeve, an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are respectively and fixedly communicated on the bottom surface and the side surface of the communication sleeve, the lower end of the inlet pipe is fixedly communicated with a three-position four-way valve, the outlet pipe is fixedly communicated with a second pulley mechanism, two groups of outlet pipes are respectively and fixedly communicated with fixed pipes on two sides, pressure oil input is realized, the bottom surface of only one group of fixed pipes is communicated with a third pipe, and when a movable plug moves and cable clamping is realized, the pressure oil can flow into the third pipe.
As a further scheme of the invention, the detection mechanism comprises a display screen, a connecting wire and an electricity testing ring, the connecting wire is fixedly connected to the side face of the display screen, the outer surface of the electricity testing ring is fixedly connected with the connecting wire, the cable detection is completed by using the electricity testing ring, and the display screen is used for observing and recording detection data in time.
As a further scheme of the invention, the control mechanism comprises two movable rods, a first controller and a second controller, the two movable rods are respectively and fixedly connected with the first controller and the second controller, the first controller controls the action of the three-position four-way valve, the second controller controls the start and stop of the oil pump, and the movable rods are used for controlling the moving distance.
As a further scheme of the invention, the bottom surfaces of the first pulley mechanism and the second pulley mechanism are kept in horizontal consistency, and the size of the first wheel is the same as that of the second wheel.
As a further scheme of the invention, the diameter of the push plate is smaller than the inner diameter of the through hole, and the outer surface of the push plate is movably sleeved with the through hole, so that the push plate can move in the through hole and the fixing pipe.
Second embodiment: as shown in fig. 1, 4, 5, 8 and 9: when an operator controls the first controller and enables the three-position four-way valve to act, and the second controller is started, the oil pumping mechanism pumps oil and the rolling mechanism winds the winding rope, so that the manned frame and the first pulley mechanism are pulled forwards, after the first controller is operated to enable the three-position four-way valve to act to a middle position, namely a valve core of the three-position four-way valve seals an oil inlet of the inlet pipe and an oil outlet of the second pipe, the distribution mechanism and the second pipe are in a pressure maintaining state, the oil pressure in the fixed pipe of the second pulley mechanism is stable, the push plate keeps clamping cables, the oil pressure in the rolling mechanism is stable and is in a stopping state, at the moment, the rotating shaft cannot act, the manned frame which is tensioned and close to the manned frame is kept stable and cannot move, and the operator stably stands in the manned frame and utilizes the detection mechanism to detect.
Firstly, through adopting the tribit cross valve with pump oil mechanism, distribution mechanism, oil tank and winding mechanism intercommunication, the action of the convenient control tribit cross valve of a controller in the mechanism is controlled in the cooperation, at first to the circulation control of pressure oil, and the intermediate position effect of cooperation tribit cross valve, realize that the push pedal is tight to the continuation of cable clamp, realize the fixed of countershaft simultaneously, make pulley mechanism and No. two pulley mechanisms after the removal all keep stable non-movable state, thereby make the operator when carrying out fixed point cable inspection, can obtain efficient stability, the detection problem that the operator's health shake caused when effectively avoiding climbing the operation, the accuracy of actual detection's operation has been improved greatly, thereby improve and detect the precision, and conveniently carry out the record operation, excellent in use effect.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention supplies power by using the oil pumping mechanism, realizes oil supply of the oil pumping mechanism by controlling the control mechanism, effectively realizes clamping and fixing of the cable when pressure oil flows to the second pulley mechanism, thereby ensuring that the second pulley mechanism obtains stable fixing effect, and ensures that the winding wheel winds up the winding rope by using the continuously supplied pressure oil to push the blades and the rotating shaft in the winding mechanism to rotate, thereby pulling the manned frame and the first pulley mechanism forwards, enabling an operator to stably stand when carrying out detection operation at high altitude, avoiding the operator from climbing on the cable to carry out detection operation, greatly improving the safety of actual detection, and realizing convenient advance by manual operation when actually carrying out continuous detection operation, greatly improving the convenience of live detection, and enabling the operator to easily carry out detection operation, influence operating quality when avoiding the climbing to remove on the cable, realize effective high tension cable's effective detection when guaranteeing safety, excellent in use effect.
2. According to the invention, after the second pulley mechanism is manually pushed to advance, the first pulley mechanism is dragged to advance by the second pulley mechanism which is clamped and fixed in a matching manner to control the control mechanism, so that a user is prevented from carrying out continuous detection in a stooping and climbing moving mode, the moving convenience is improved, the efficiency of an operator in continuous detection on a high-voltage cable is greatly improved, the moving speed is high, the detection operation is simple, the time required by stay detection is saved, the time of the operator in high-altitude operation is shortened, the risk rate is reduced, and the using effect is good.
3. According to the invention, the oil pumping mechanism, the distribution mechanism, the oil tank and the winding mechanism are communicated by adopting the three-position four-way valve, the action of the three-position four-way valve is conveniently controlled by matching with the first controller in the control mechanism, the circulation of pressure oil is firstly controlled, and the middle position effect of the three-position four-way valve is matched, so that the continuous clamping of the push plate on a cable is realized, and the fixing of the rotating shaft is realized, so that the moved first pulley mechanism and the second pulley mechanism are kept in a stable and immovable state, therefore, an operator can obtain high-efficiency stability when performing fixed-point cable detection, the detection problem caused by the shaking of the body of the operator during climbing operation is effectively avoided, the accuracy of actual detection operation is greatly improved, the detection precision is improved, the recording operation is convenient, and the use effect is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is an exploded view of the pulley mechanism of the present invention;
figure 4 is an exploded view of the pulley mechanism of the present invention;
FIG. 5 is an exploded view of the winding mechanism of the present invention;
FIG. 6 is a schematic diagram of the connection between the control mechanism and a first plate according to the present invention;
FIG. 7 is a schematic view of the detection mechanism of the present invention;
FIG. 8 is a schematic view of the connection between the oil pumping mechanism and the oil tank of the present invention;
FIG. 9 is a schematic diagram of the connection between the winding mechanism and the three-position four-way valve according to the present invention.
In the figure: 1. a people carrying frame; 2. connecting ropes; 3. a first pulley mechanism; 31. a first wheel; 32. a movable sleeve; 33. connecting a curved bar; 34. a locking sleeve; 4. a first connecting rod; 5. a first board; 6. an operating mechanism; 61. a movable rod; 62. a first controller; 63. a second controller; 7. a second plate; 8. a second connecting rod; 9. a second pulley mechanism; 91. a second wheel; 92. fixing a sleeve; 93. a through hole; 94. a fixed tube; 95. a spring; 96. a movable plug; 97. a push rod; 98. pushing the plate; 10. a first bottom plate; 11. a second bottom plate; 12. a carrying frame; 13. a winding mechanism; 131. a fixing frame; 132. a rotating shaft; 133. a winding wheel; 134. a blade; 135. a sealing cover; 14. a detection mechanism; 141. a display screen; 142. a connecting wire; 143. an electricity testing ring; 15. winding the rope; 16. an oil pumping mechanism; 161. an oil pump; 162. a transverse tube; 163. a vertical tube; 17. an oil tank; 18. a three-position four-way valve; 19. a first pipe; 20. a dispensing mechanism; 201. a communicating sleeve; 202. an inlet pipe; 203. an outflow tube; 21. a second pipe; 22. a third pipe; 23. hanging and buckling; 24. and (7) mounting the plate.
Detailed Description
Referring to fig. 1-9, the present invention provides a technical solution: a high-voltage live detection device for high safety comprises a manned frame 1 and a carrying frame 12, wherein the manned frame 1 is used for carrying an operator, the carrying frame 12 is used for carrying necessary equipment, the side surface of the manned frame 1 is fixedly connected with a connecting rope 2, the top surface of the connecting rope 2 is fixedly connected with a mounting plate 24, the top of the mounting plate 24 is movably provided with a first pulley mechanism 3, the number of the first pulley mechanisms 3 is two, a first connecting rod 4 is fixedly connected between the two first pulley mechanisms 3, the end surface of the first connecting rod 4 is fixedly connected with a first plate 5, the bottom surface of the first plate 5 is fixedly connected with a first bottom plate 10, the top surface of the carrying frame 12 is fixedly connected with a second bottom plate 11, the top surface of the second bottom plate 11 is fixedly connected with a second plate 7, the side surface of the second plate 7 is fixedly connected with a control mechanism 6, the outer surface of the control mechanism 6 is movably sleeved with the first plate 5, the side surface of the second plate 7 is fixedly connected with a second connecting rod 8, the end face of the second connecting rod 8 is fixedly connected with a second pulley mechanism 9, the inner surface of the carrying frame 12 is respectively and fixedly provided with an oil pumping mechanism 16, an oil tank 17 and a three-position four-way valve 18, the side face of the second bottom plate 11 is fixedly provided with a rolling mechanism 13, one end of a rolling rope 15 is wound inside the rolling mechanism 13, the other end of the rolling rope 15 passes through the second bottom plate 11 and is fixedly connected with the first bottom plate 10, the side face of the first bottom plate 10 is fixedly provided with a detection mechanism 14, the top of the three-position four-way valve 18 is fixedly communicated with a distribution mechanism 20, the distribution mechanism 20 is fixedly communicated with the second pulley mechanism 9, a first pipe 19 is fixedly communicated between the three-position four-way valve 18 and the oil tank 17, a second pipe 21 is fixedly communicated between the rolling mechanism 13 and the three-position four-way valve 18, a third pipe 22 is fixedly communicated between the rolling mechanism 13 and the second pulley mechanism 9, and a hanging buckle 23 is fixedly connected with the front face of the carrying frame 1, the three-position four-way valve 18 is an existing mechanism and has three adjusting positions, when in an initial position, a vertical pipe 163 at the bottom surface of the three-position four-way valve 18 is fed with oil and enters an outlet pipe 203 through an inlet pipe 202 at the top surface of the three-position four-way valve 18, pressure oil flows back to the top of the three-position four-way valve 18 through a third pipe 22 and a second pipe 21 and flows back to the oil tank 17 through a first pipe 19, and dragging of the manned frame 1 is carried out after a cable is clamped; when the three-position four-way valve 18 acts to the middle position, the internal valve core of the three-position four-way valve 18 seals the upward oil inlet channel of the vertical pipe 163 at the moment, and seals the oil inlet channel of the second pipe 21 which flows back to the three-position four-way valve 18, so that the second pipe 21, the sealing cover 135, the third pipe 22, the fixed pipe 94 and the distribution mechanism 20 are all in a pressure maintaining state, the second pulley mechanism 9 is clamped and fixed, the rotating shaft 132 is stopped, the first pulley mechanism 3 is immovable, and stable fixation is realized; when the spool of the three-position four-way valve 18 is turned to the third position, in the case of stopping the oil pump 161, the spool of the three-position four-way valve 18 only seals the upward oil inlet passage of the vertical pipe 163, the inlet pipe 202 of the distribution mechanism 20 discharges the pressure oil downward, and the third pipe 22, the seal cover 135 and the second pipe 21 discharge the pressure oil inside to the oil tank through the first pipe 19.
The first embodiment: as shown in fig. 1, 3, 4, 5, 6 and 7, the first pulley mechanism 3 and the second pulley mechanism 9 are simultaneously placed on the tops of two adjacent groups of high-voltage cables, so that the cables are clamped on the inner surfaces of the first wheel 31 and the second wheel 91, the connecting curved rod 33 on the bottom surface of the first pulley mechanism 3 is sleeved in the mounting plate 24, the locking sleeve 34 is installed on the connecting curved rod 33 from below, the electroscope ring 143 is sleeved on the high-voltage cables, at this time, the manned frame 1 and the carrying frame 12 are both suspended below between the two groups of cables, the operator connects the safety rope on the outer side of the safety suit with the hanging buckle on the front surface of the manned frame 1, the operator logs in the manned frame 1 and carries out the detection of the cable at the current position, after the detection is finished, the operator holds the control mechanism 6 with both hands and pushes the control mechanism 6 forward, so that the control mechanism 6 drives the second plate 7 to move, along with the movement of the second plate 7, the second pulley mechanism 9 slides along the top surface of the cable, and the carrying frame 12 moves along the cable, so that the winding rope 15 is in a straight state, at the moment, the second pulley mechanism 9 is far away from the first pulley mechanism 3, an operator controls the first controller 62 and actuates the three-position four-way valve 18, and activates the second controller 63 and starts the oil pumping mechanism 16, so that the oil pumping mechanism 16 sucks pressure oil from the oil tank 17, the pressure oil enters the distribution mechanism 20 after passing through the three-position four-way valve 18, the pressure oil enters the fixed pipe 94 of the second pulley mechanism 9 through the outflow pipe 203 of the distribution mechanism 20, and pushes the movable plug 96 in the fixed pipe 94 to move, so that the push plate 98 slides out of the through hole 93 and clamps the cable, and along with the movement of the movable plug 96, part of the pressure oil enters the sealing cover 135 of the second pulley mechanism 13 through the third pipe 22 wound on the bottom surface of the group of fixed pipes 94, and along with the entry of the pressure oil, the pressure oil pushes the blade 134 to rotate, so that the rotating shaft 132 drives the winding wheel 133 to rotate, and meanwhile, the winding rope 15 is gradually wound and wound, so that the manned frame 1 and the pulley mechanism 3 are pulled forwards, when the manned frame is pulled to be close to the first plate 5 and the second plate 7, the controller 62 is controlled to enable the three-position four-way valve 18 to act to reset and close the second controller 63, the pressure oil flows back, the oil pump 161 stops, and an operator moves to a target position.
Firstly, the oil pumping mechanism 16 is used for providing power, the oil supply of the oil pumping mechanism 16 is realized by controlling the control mechanism, the pressure oil is effectively utilized to realize the clamping and fixing of the cable when flowing to the second pulley mechanism 9, so as to ensure that the second pulley mechanism 9 obtains stable fixing effect, the continuously provided pressure oil is utilized to push the blades 134 and the rotating shaft 132 in the winding mechanism 13 to rotate, so that the winding wheel 133 winds up the winding rope 15, the manned frame 1 and the first pulley mechanism 3 are pulled forwards, an operator can stand stably when carrying out detection operation at high altitude, the operator is prevented from climbing on the cable to carry out detection operation, the safety of actual detection is greatly improved, and convenient advance can be realized through manual operation when the actual continuous detection operation is carried out, the convenience of live detection is greatly improved, and the operator can easily carry out detection operation, influence operating quality when avoiding the climbing to remove on the cable, realize effective high tension cable's effective detection when guaranteeing safety, excellent in use effect.
In addition, through utilizing the manual back that advances of promoting No. two pulley mechanism 9, cooperation control mechanism 6 makes and presss from both sides tight fixed No. two pulley mechanism 9 and drags a pulley mechanism 3 and gos forward, the mobile mode of avoiding the user to adopt the climbing of bowing carries out continuous detection, the convenience of removal has been improved, the efficiency that the operator examined time measuring in succession on high tension cable has been improved greatly, the translation rate is fast, detect operation is simple, thereby save the required time that stops the detection, shorten the operator time at high altitude construction, the risk reduction rate, excellent in use effect.
Wherein, a pulley mechanism 3 includes a wheel 31, the movable sleeve 32, connect curved bar 33 and lock sleeve 34, the side and the connecting rod 4 fixed connection of a wheel 31, the movable sleeve 32 activity cup joints in the inside of a wheel 31, the upper end and the wheel 31 fixed connection of connection curved bar 33, the surface and the mounting panel 24 activity of connecting curved bar 33 are cup jointed, lock sleeve 34 screw thread cup joints the lower extreme at connecting curved bar 33, connect curved bar 33 symmetric distribution in the both sides of a wheel 31, and the interval between two sets of connection curved bar 33 lower extremes is greater than the diameter of cable, guarantee that the cable can embolia the inside of a wheel 31, and through utilizing the free rotation of movable sleeve 32, make when pulling a pulley mechanism 3 removes, movable sleeve 32 and cable roll relatively, improve the pulling effect.
Wherein, the second pulley mechanism 9 comprises a second wheel 91, a fixed sleeve 92, a through hole 93, a fixed pipe 94, a spring 95, a movable plug 96, a push rod 97 and a push plate 98, the fixed sleeve 92 is fixedly sleeved inside the second wheel 91, the through hole 93 is arranged below the side surface of the second wheel 91, the fixed pipe 94 is fixedly connected on the side surface of the second wheel 91, the spring 95 is fixedly connected in the inner surface of the fixed pipe 94, the outer end of the spring 95 is fixedly connected with the movable plug 96, the push rod 97 is fixedly connected on the side surface of the movable plug 96, the push plate 98 is fixedly connected on the side surface of the push rod 97, the movable plug 96 is pushed to move by utilizing pressure oil, thereby enabling the push plate 98 to move and clamp the cable, realizing the fixation of the second pulley mechanism 9 and the cable, providing a stress point for pulling the first pulley mechanism 3, and the diameter of the fixed sleeve 92 is the same as that of the movable sleeve 32, so that the first wheel 31 and the second wheel 91 are kept consistent horizontally.
Wherein, winding mechanism 13 includes fixed frame 131, pivot 132, wind-up wheel 133, blade 134 and sealed cowling 135, sealed cowling 135 fixed connection is on the side of fixed frame 131, the inside at fixed frame 131 is cup jointed in the pivot 132 activity, wind-up wheel 133 is fixed to be cup jointed on the surface of pivot 132, just be located sealed cowling 135 on the surface of blade 134 fixedly connected with pivot 132, the surface of sealed cowling 135 is fixed the intercommunication with No. two pipes 21 and No. three pipes 22 respectively, through utilizing pressure oil to continuously assault blade 134, realize the rotation of pivot 132, realize pulling manned frame 1 and pulley mechanism 3 No. one.
The oil pumping mechanism 16 comprises an oil pump 161, a transverse pipe 162 and a vertical pipe 163, the transverse pipe 162 and the vertical pipe 163 are respectively and fixedly communicated with an oil inlet end and an oil outlet end of the oil pump 161, the outer end of the transverse pipe 162 is fixedly communicated with the oil tank 17, the upper end of the vertical pipe 163 is fixedly communicated with the three-position four-way valve 18, pressure oil is provided by the oil pump 161, and power is improved.
The distribution mechanism 20 comprises a communication sleeve 201, an inlet pipe 202 and an outlet pipe 203, the inlet pipe 202 and the outlet pipe 203 are respectively and fixedly communicated with the bottom surface and the side surface of the communication sleeve 201, the lower end of the inlet pipe 202 is fixedly communicated with the three-position four-way valve 18, the outlet pipe 203 is fixedly communicated with the second pulley mechanism 9, the two groups of outlet pipes 203 are respectively and fixedly communicated with the fixed pipes 94 on the two sides, pressure oil input is achieved, only the bottom surface of one group of fixed pipes 94 is communicated with the third pipe 22, and when a cable is clamped after the movable plug 96 moves, the pressure oil can flow into the third pipe 22.
Wherein, detection mechanism 14 includes display screen 141, connecting wire 142 and tests electric circle 143, and connecting wire 142 fixed connection is on display screen 141's side, tests electric circle 143's surface and connecting wire 142 fixed connection, utilizes and tests electric circle 143 and accomplish the cable and detect, and utilizes display screen 141 in time to carry out the observation and the record that detect data.
The control mechanism 6 comprises two movable rods 61, a first controller 62 and a second controller 63, the number of the movable rods 61 is two, the two movable rods 61 are fixedly connected with the first controller 62 and the second controller 63 respectively, the first controller 62 controls the action of the three-position four-way valve 18, the second controller 63 controls the start and stop of the oil pump 161, and the movable rods 61 are used for controlling the moving distance.
The bottom surfaces of the first pulley mechanism 3 and the second pulley mechanism 9 are kept in horizontal consistency, and the size of the first wheel 31 is the same as that of the second wheel 91.
The diameter of the push plate 98 is smaller than the inner diameter of the through hole 93, and the outer surface of the push plate 98 is movably sleeved with the through hole 93, so that the push plate 98 can move in the through hole 93 and the fixing tube 94.
Second embodiment: as shown in fig. 1, 4, 5, 8 and 9: when the operator controls the first controller 62 to operate the three-position four-way valve 18 and turns on the second controller 63, the oil pumping mechanism 16 pumps the oil and the winding mechanism 13 winds the winding rope 15, so that the manned frame 1 and the first pulley mechanism 3 are pulled forwards, and after the first pulley mechanism moves forwards for a section of position, the first controller 62 is operated to enable the three-position four-way valve 18 to move to the middle position, i.e. such that the spool of three-position four-way valve 18 seals the inlet port of inlet tube 202 and the outlet port of second tube 21, the distribution mechanism 20 and the second pipe 21 are in a pressure maintaining state, the oil pressure in the fixed pipe 94 of the second pulley mechanism 9 is stable, the push plate 98 keeps clamping the cable, and the oil pressure in the winding mechanism 13 is stabilized and stopped, at this time, the rotating shaft 132 cannot be operated, so that the people carrier 1, which is taut and close to the carrier frame 12, remains stable and immovable, the operator stands stably in the people carrier 1 and is detected with the detection mechanism.
Firstly, pump oil mechanism 16 is connected through adopting three-position four-way valve 18, distribution mechanism 20, oil tank 17 and winding mechanism 13 communicate, the action of three-position four-way valve 18 is conveniently controlled by controller 62 in cooperation control mechanism 6, at first, the circulation control to pressure oil, and the intermediate position effect of three-position four-way valve 18 is cooperated, realize that push pedal 98 continuously clamps the cable, simultaneously realize fixing to pivot 132, make pulley mechanism 3 and pulley mechanism 9 after the removal all keep stable immovable state, thereby make the operator when carrying out fixed point cable detection, can obtain efficient stability, effectively avoid the detection problem that the operator's health shakes and causes when climbing the operation, the accuracy of actual detection's operation has been improved greatly, thereby improve the detection precision, and conveniently carry out the record operation, excellent in use effect.
Claims (10)
1. The utility model provides a high-voltage live detection device for high security, includes manned frame (1) and year thing frame (12), its characterized in that: the side surface of the manned frame (1) is fixedly connected with a connecting rope (2), the top surface of the connecting rope (2) is fixedly connected with a mounting plate (24), the top of the mounting plate (24) is movably provided with a first pulley mechanism (3), the number of the first pulley mechanisms (3) is two, a first connecting rod (4) is fixedly connected between the two first pulley mechanisms (3), the end surface of the first connecting rod (4) is fixedly connected with a first plate (5), the bottom surface of the first plate (5) is fixedly connected with a first bottom plate (10), the top surface of the objective frame (12) is fixedly connected with a second bottom plate (11), the top surface of the second bottom plate (11) is fixedly connected with a second plate (7), the side surface of the second plate (7) is fixedly connected with an operating mechanism (6), and the outer surface of the operating mechanism (6) is movably sleeved with the first plate (5), the side surface of the second plate (7) is fixedly connected with a second connecting rod (8), the end surface of the second connecting rod (8) is fixedly connected with a second pulley mechanism (9), the inner surface of the carrying frame (12) is respectively and fixedly provided with an oil pumping mechanism (16), an oil tank (17) and a three-position four-way valve (18), the side surface of the second bottom plate (11) is fixedly provided with a winding mechanism (13), one end of a winding rope (15) is wound inside the winding mechanism (13), the other end of the winding rope (15) penetrates through the second bottom plate (11) and is fixedly connected with the first bottom plate (10), the side surface of the first bottom plate (10) is fixedly provided with a detection mechanism (14), the top of the three-position four-way valve (18) is fixedly communicated with a distribution mechanism (20), the distribution mechanism (20) is fixedly communicated with the second pulley mechanism (9), and a first pipe (19) is fixedly communicated between the three-position four-way valve (18) and the oil tank (17), a second pipe (21) is fixedly communicated between the winding mechanism (13) and the three-position four-way valve (18), a third pipe (22) is fixedly communicated between the winding mechanism (13) and the second pulley mechanism (9), and a hanging buckle (23) is fixedly connected to the front side of the manned frame (1).
2. The high voltage live detection device for high safety according to claim 1, wherein: a pulley mechanism (3) including a wheel (31), movable sleeve (32), connection curved bar (33) and lock sleeve (34), the side and connecting rod (4) fixed connection of a wheel (31), the inside at a wheel (31) is cup jointed in movable sleeve (32) activity, the upper end and a wheel (31) fixed connection of connecting curved bar (33), the surface and the mounting panel (24) activity of connecting curved bar (33) are cup jointed, lock sleeve (34) screw thread cup joints the lower extreme at connecting curved bar (33).
3. The high voltage live detection device for high safety according to claim 1, wherein: no. two pulley mechanism (9) are including No. two wheel (91), fixed cover (92), through-hole (93), fixed pipe (94), spring (95), activity stopper (96), push rod (97) and push pedal (98), fixed cover (92) are fixed cup joints the inside at No. two wheel (91), the below in No. two wheel (91) sides is seted up in through-hole (93), fixed pipe (94) fixed connection is on the side of No. two wheel (91), spring (95) fixed connection is in the internal surface of fixed pipe (94), the outer end and the activity stopper (96) fixed connection of spring (95), push rod (97) fixed connection is on the side of activity stopper (96), push pedal (98) fixed connection is on the side of push rod (97).
4. The high voltage live detection device for high safety according to claim 1, wherein: winding mechanism (13) are including fixed frame (131), pivot (132), rolling wheel (133), blade (134) and sealed cowling (135), sealed cowling (135) fixed connection is on the side of fixed frame (131), pivot (132) activity cup joints the inside at fixed frame (131), rolling wheel (133) are fixed cup joints on the surface of pivot (132), just be located sealed cowling (135) on the surface of blade (134) fixedly connected with pivot (132), the surface of sealed cowling (135) communicates with No. two pipe (21) and No. three pipe (22) are fixed respectively.
5. The high voltage live detection device for high safety according to claim 1, wherein: the oil pumping mechanism (16) comprises an oil pump (161), a transverse pipe (162) and a vertical pipe (163), wherein the transverse pipe (162) and the vertical pipe (163) are fixedly communicated with the oil inlet end and the oil outlet end of the oil pump (161) respectively, the outer end of the transverse pipe (162) is fixedly communicated with the oil tank (17), and the upper end of the vertical pipe (163) is fixedly communicated with a three-position four-way valve (18).
6. The high voltage live detection device for high safety according to claim 1, wherein: the distribution mechanism (20) comprises a communication sleeve (201), an inlet pipe (202) and an outlet pipe (203), the inlet pipe (202) and the outlet pipe (203) are respectively and fixedly communicated with the bottom surface and the side surface of the communication sleeve (201), the lower end of the inlet pipe (202) is fixedly communicated with a three-position four-way valve (18), and the outlet pipe (203) is fixedly communicated with a second pulley mechanism (9).
7. The high voltage live detection device for high safety according to claim 1, wherein: detection mechanism (14) include display screen (141), connecting wire (142) and test coil (143), connecting wire (142) fixed connection is on the side of display screen (141), the surface and connecting wire (142) fixed connection of testing coil (143).
8. The high voltage live detection device for high safety according to claim 1, wherein: control mechanism (6) include movable rod (61), a controller (62) and No. two controller (63), the quantity of movable rod (61) is two, two movable rod (61) respectively with a controller (62) and No. two controller (63) fixed connection.
9. The high voltage live detection device for high safety according to claim 1, wherein: the bottom surfaces of the first pulley mechanism (3) and the second pulley mechanism (9) are kept in horizontal consistency, and the size of the first wheel (31) is the same as that of the second wheel (91).
10. A high voltage live detection device for high safety according to claim 3, characterized in that: the diameter of the push plate (98) is smaller than the inner diameter of the through hole (93), and the outer surface of the push plate (98) is movably sleeved with the through hole (93).
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