CN113686283B - Sag automatic detection device of power supply line - Google Patents
Sag automatic detection device of power supply line Download PDFInfo
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- CN113686283B CN113686283B CN202111251568.7A CN202111251568A CN113686283B CN 113686283 B CN113686283 B CN 113686283B CN 202111251568 A CN202111251568 A CN 202111251568A CN 113686283 B CN113686283 B CN 113686283B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention discloses an automatic sag detection device of a power supply line, which comprises a control module and a moving frame arranged on a supporting wire rope connected with a wire rod, wherein the side wall of the moving frame is connected with a retreating self-locking mechanism, a height detection module and a signal receiving and transmitting module are arranged on the moving frame, and the surface of the moving frame is connected with a detection position fixing mechanism.
Description
Technical Field
The invention relates to the technical field of power supply circuits, in particular to an automatic sag detection device of a power supply circuit.
Background
The electric power circuit is an important component of a power supply system, and the task electric power circuit which is responsible for transmitting and distributing electric energy is a conductor loop which connects a transformer substation and a distribution substation with each electric energy user or electric equipment and transmits and distributes electric energy from a power supply end (the transformer substation and the distribution substation) to a load end (the electric energy users or the electric equipment).
The sag is on a flat ground, the suspension heights of the wires on two adjacent base electric poles are the same, the vertical distance between the lowest point of each wire and a connecting line between two suspension points is generally equal, when the power transmission distance is far, slight sag can be formed due to the dead weight of the wires, the wires are in the shape of catenary lines, the sag size is one of important factors influencing the normal operation of the lines, the sag value is too small, the stress of the tensioned wires is large, and the wires can be further tensioned or even broken under the condition of temperature reduction.
In the prior art, as the application number is CN201911212089.7, the sag detection device for the power transmission line is disclosed, a detection mode that a positioning device and a monitoring device are adopted is adopted, the positioning device is fixed at the lowest point of sag, the monitoring device serves as the relative position of the positioning device, the vertical height of the monitoring device from the positioning device is the sag, the positioning device is used for collecting and sending the lowest point position of the power transmission line, the monitoring device is used for information conversion and sending, the converted relative position information is sent to a communication terminal for workers to refer to, and the technical problem of low sag height detection efficiency of the power transmission line is solved.
However, the above-mentioned operation has a limitation when facing the sag detection of the small range under the tilt state, for example, when some circuits are set up, often all can connect a support wire rope between two wire poles now, later set up a plurality of connecting points on the circuit and be connected with support wire rope, but when the operation is met the slope circuit between the adjacent tie point and the sag appears, monitoring device very easily appears and retreats gliding phenomenon along support wire rope, can drag the circuit that the sag appears even when serious, lead to the sag to detect and receive the influence.
Therefore, the sag automatic detection device of the power supply line in the prior art cannot solve the problem that detection is affected because the monitoring device is easy to retreat when detecting the sag in a small range in an inclined state.
Disclosure of Invention
The invention aims to provide an automatic sag detection device of a power supply line, which aims to solve the technical problem that detection is influenced because a monitoring device is easy to retreat when detecting sag in a small range in an inclined state in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an automatic sag detection device of a power supply line comprises a control module and a moving frame arranged on a supporting wire rope connected with a wire rod, wherein the side wall of the moving frame is connected with a retreating self-locking mechanism, a height detection module and a signal receiving and transmitting module are arranged on the moving frame, and the surface of the moving frame is connected with a detection position fixing mechanism;
the movable frame can drive the detection position fixing mechanism to slide along the supporting wire rope;
the detection position fixing mechanism can determine a plurality of detection points on the surface of the cable connected with the supporting wire rope and sequentially perform sag detection on each detection point; the retreating self-locking mechanism can limit the current position of the detection position fixing mechanism in the process that the movable frame drives the detection position fixing mechanism to move so as to prevent the detection position fixing mechanism from separating from a current detection point;
the height detection module is used for simultaneously detecting the height of the current detection point from the ground and the height of the support wire rope at the position corresponding to the current detection point from the ground;
the signal receiving and transmitting module is used for transmitting the sum of the current detection points detected by the height detection module and the height information of the support wire rope at the position corresponding to the current detection points, which is far away from the ground, to the control module;
the control module is used for processing the height information from the signal receiving and transmitting module to obtain the height difference between the current detection point and the support wire rope at the position corresponding to the current detection point so as to obtain the accurate arc sag of the current detection point; and the device is also used for sending an execution command to the signal transceiver module after the accurate arc sag of the current detection point is obtained, so that the signal transceiver module transmits the command to the mobile frame to respond and execute.
As a preferred scheme of the present invention, the retreating self-locking mechanism includes a driving ball post whose end is connected to the moving frame, the driving ball post can be driven by the moving frame to rotate when the moving frame slides along the supporting wire, a movable post sleeve is connected to a side wall of the driving ball post, a wire-rope follower sleeve is connected to the movable post sleeve, the wire-rope follower sleeve can be driven by the movable post sleeve to slide along the supporting wire, a static self-locking post is connected to the inside of the wire-rope follower sleeve, and the static self-locking post can be driven by the driving ball post to release the limitation on the supporting wire;
when the movable frame slides along the supporting wire rope, the movable frame drives the ball column to rotate, so that the static self-locking column is driven by the driven ball column to leave the initial position and release the limiting force applied to the supporting wire rope; and after the driving ball post stops rotating, the static self-locking post returns to the initial position and exerts a limiting force on the supporting wire rope again.
As a preferable scheme of the present invention, the movable frame includes a fixed outer frame, a driving main shaft is disposed in the fixed outer frame along a direction of the supporting wire rope, one end of the driving main shaft is connected to a balance frame, the other end of the driving main shaft is connected to the driving ball post, a movable roller connected to the supporting wire rope is mounted in the fixed outer frame, a wire rope insertion groove is formed in a side wall of the movable roller, the driving main shaft can drive the movable roller to rotate and slide along the supporting wire rope to perform a moving action, and the balance frame can maintain balance of the fixed outer frame in a process that the movable roller guides the fixed outer frame to slide along the supporting wire rope.
As a preferable scheme of the invention, the balance frame comprises a connecting stud and a connecting block which is installed on the fixed outer frame and connected with the driving main shaft, wherein the surface of one side of the connecting block, which is far away from the fixed outer frame, is connected with two balance weight clamping sleeves which are symmetrical about the axial lead of the supporting wire rope, the surfaces of the two balance weight clamping sleeves are respectively provided with a threaded sleeve connected with the connecting stud, and the connecting stud can connect the two balance weight clamping sleeves together.
As a preferred scheme of the present invention, the driving ball column includes a driving column body penetratingly connected to the movable column sleeve, a fixed sleeve is installed at one end of the driving column body, a driving tooth column connected to the driving spindle is disposed in the fixed sleeve, a plurality of rotating sliding columns engaged with the driving tooth column are penetratingly connected to an inner side wall of the fixed sleeve, a return spring connected to an inner wall of the fixed sleeve is sleeved on a side wall of the rotating sliding columns, a blocking elastic block connected to an inner wall of one end of the fixed sleeve close to the fixed outer frame is connected to an inner wall of the fixed sleeve, and a driving spiral ring is connected to an other end of the driving column body and can drive the stationary self-locking column to move to loosen the restriction on the supporting wire rope.
As a preferred scheme of the invention, the static self-locking column comprises a plurality of fixed clamping columns penetrating through the wire rope follow-up sleeve, movable clamping columns are hinged on the fixed clamping columns, and the movable clamping columns can clamp and limit the supporting wire rope between the movable clamping columns and the fixed clamping columns through matching with the fixed clamping columns; one end of the movable clamping column, which is close to the movable column sleeve, is provided with a self-locking spring connected with the fixed clamping column, and the self-locking spring can push the other end of the movable clamping column to be tightly attached to the fixed clamping column; and a pulling rope connected with the driving spiral ring is arranged on the side wall of the other end of the movable clamping column.
As a preferable aspect of the present invention, the wire rope follower sleeve can clamp the support wire rope;
the width of the wire rope follow-up sleeve is larger than the diameter of the supporting wire rope.
As a preferable scheme of the present invention, a wire rope fastening groove is formed at a central position of the wire rope insertion groove, a plurality of driving teeth are installed on an inner wall of the wire rope insertion groove, and a driving engaging wheel ring engaged with the driving teeth is installed on a side wall of the driving main shaft.
As a preferred scheme of the present invention, the driving spiral ring includes a driving sleeve sleeved on a side wall of the driving cylinder, a side wall of the driving sleeve is connected to the pulling rope, a sliding arc groove is formed in the side wall of the driving cylinder, an elastic moving block is installed in the sliding arc groove, and a pushing block pushed by the elastic moving block is installed on an inner side wall of the driving sleeve.
As a preferred scheme of the present invention, the detection position fixing mechanism includes a center-of-gravity downward movement block connected to the fixed outer frame, the center-of-gravity downward movement block is provided with a pushing spring plate, the pushing spring plate is provided with a guiding arc plate, the guiding arc plate can guide the power supply line to slide out of the fixed outer frame in a sliding process of the fixed outer frame along the supporting wire rope, and the center-of-gravity downward movement block is provided with a height detection device.
Compared with the prior art, the invention has the following beneficial effects:
the invention can realize the retreating self-locking action of the detection point through the retreating self-locking mechanism to prevent the detection position fixing mechanism from separating from the current detection point.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a block diagram of a process for automatic detection of sag in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a mobile frame according to an embodiment of the present invention;
FIG. 3 is a side view of the driving ball column in the embodiment of the present invention;
FIG. 4 is a top view of a stationary outer frame in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a driving ball column according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a cord-embedded groove in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a balancing stand according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a moving rack; 2-retreating self-locking mechanism; 3-detection position fixing mechanism;
11-fixing the external frame; 12-a drive spindle; 13-a balancing stand; 14-moving the roller; 15-wire rope embedded groove;
131-a connecting stud; 132-a connecting block; 133-a counterweight clamping sleeve; 134-thread sleeve;
151-wire rope fastening groove; 152-a drive web; 153-driving the meshing wheel ring;
21-driving the ball column; 22-movable column sleeve; 23-a wire rope follow-up sleeve; 24-a stationary self-locking post;
211-driving cylinder; 212-a fixation sleeve; 213-driving the toothed column; 214-rotating the sliding post; 215-reset spring; 216-a blocking elastic block; 217-driving the spiro ring;
2171-carrying sleeve; 2172-sliding arc groove; 2173-elastic moving mass; 2174-pushing block;
241-fixing the clamping column; 242-movable clamping posts; 243-self-locking spring; 244-pulling the string;
31-center of gravity shifting block; 32-pushing the elastic sheet; 33-guiding the arc sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides an automatic sag detection device for a power supply line, which comprises a control module and a movable frame 1 arranged on a supporting wire rope connected with a wire rod, wherein the side wall of the movable frame 1 is connected with a retreating self-locking mechanism 2, a height detection module and a signal receiving and transmitting module are arranged on the movable frame 1, and the surface of the movable frame 1 is connected with a detection position fixing mechanism 3;
the movable frame 1 can drive the detection position fixing mechanism 3 to slide along the supporting wire rope;
the detection position fixing mechanism 3 can determine a plurality of detection points on the surface of the cable connected with the supporting wire rope and sequentially perform sag detection on each detection point; the retreating self-locking mechanism 2 can limit the current position of the detection position fixing mechanism 3 in the process that the movable frame 1 drives the detection position fixing mechanism 3 to move so as to prevent the detection position fixing mechanism 3 from separating from the current detection point;
the height detection module is used for simultaneously detecting the height of the current detection point from the ground and the height of the support wire rope at the position corresponding to the current detection point from the ground;
the signal transceiving module is used for transmitting the sum of the current detection points detected by the height detection module and the height information of the supporting wire rope at the position corresponding to the current detection points, which is far away from the ground, to the control module;
the control module is used for processing the height information from the signal receiving and transmitting module to obtain the height difference between the current detection point and the support wire rope at the position corresponding to the current detection point so as to obtain the accurate arc sag of the current detection point; and the arc sag detection device is also used for sending an execution command to the signal transceiver module after the accurate arc sag of the current detection point is obtained, so that the signal transceiver module transmits the command to the mobile frame 1 to respond and execute.
The invention can realize the backward self-locking action of the detection point through the backward self-locking mechanism 2 to prevent the detection position fixing mechanism 3 from separating from the current detection point, and the specific implementation is that the current position of the detection position fixing mechanism 3 can be limited by the backward self-locking mechanism 2 to prevent the detection position fixing mechanism 3 from separating from the current detection point in the process that the moving frame 1 drives the detection position fixing mechanism 3 to move, thereby avoiding the phenomenon that the monitoring device is easy to retreat in an inclined state.
The operation of the sag detection is realized by directly driving the movable frame 1 to move through an external driver, then the movable frame 1 can drive the detection position fixing mechanism 3 to slide along the supporting wire rope, the detection position fixing mechanism 3 can determine a plurality of detection points on the surface of a cable connected with the supporting wire rope during movement and sequentially carry out sag detection actions on each detection point (the sag detection action at the position refers to the action of smaller detection of a height detection module), and the retreating self-locking mechanism 2 can limit the current position of the detection position fixing mechanism 3 in the process of driving the detection position fixing mechanism 3 to move by the movable frame 1 so as to prevent the detection position fixing mechanism 3 from being separated from the current detection point.
When the detection position fixing mechanism 3 is located at the current detection point, the height detection module can simultaneously detect the height from the current detection point to the ground and the height from the supporting wire rope at the position corresponding to the current detection point to the ground, then the signal transceiver module can transmit the sum of the current detection points detected by the height detection module and the height information from the supporting wire rope at the position corresponding to the current detection point to the ground to the control module, and then the control module can process the height information from the signal transceiver module to obtain the height difference between the current detection point and the supporting wire rope at the position corresponding to the current detection point so as to obtain the accurate arc sag of the current detection point; and after obtaining the accurate arc sag of the current detection point, the control module also sends an execution command to the signal transceiver module, so that the signal transceiver module transmits the command to the movable frame 1 to respond and execute, and the movable frame 1 moves to the next detection point.
As shown in fig. 2, fig. 3 and fig. 5, the specific structure of the retreating self-locking mechanism 2 is not exclusive, but it is preferable that the retreating self-locking mechanism 2 in this embodiment can realize multi-angle motion under the condition of self-locking limit of the auxiliary moving frame 1, the retreating self-locking mechanism 2 comprises a driving ball post 21 of which the end part is connected with the moving frame 1, the driving ball post 21 can be driven by the moving frame 1 to rotate when the moving frame 1 slides along a supporting wire rope, the side wall of the driving ball post 21 is connected with a movable post sleeve 22, a wire rope follow-up sleeve 23 is connected in the movable post sleeve 22, the wire rope follow-up sleeve 23 can be driven by the movable post sleeve 22 to slide along the supporting wire rope, a static self-locking post 24 is connected in the wire rope follow-up sleeve 23, and the static self-locking post 24 can be driven by the driving ball post 21 to release the limitation on the supporting wire rope;
when the movable frame 1 slides along the supporting wire rope, the ball column 21 is driven to rotate by the movable frame 1, so that the static self-locking column 24 is driven by the ball column 21 to leave the initial position and release the limiting force applied to the supporting wire rope; after the ball stud 21 is brought to a stop, the stationary self-locking stud 24 returns to the initial position and exerts a restraining force on the support wire again.
As shown in fig. 2 and 6, the specific structure of the moving frame 1 is not unique, but the moving frame 1 in this embodiment is preferred to ensure the balance of the moving frame 1 without affecting the arc sag of the power supply line itself, the moving frame 1 includes a fixed outer frame 11, a driving spindle 12 is disposed in the fixed outer frame 11 along the direction of the supporting wire, one end of the driving spindle 12 is connected with a balance frame 13, the other end of the driving spindle 12 is connected with a driving ball 21, a moving roller 14 connected with the supporting wire is mounted in the fixed outer frame 11, a wire embedding slot 15 is disposed on a side wall of the moving roller 14, the driving spindle 12 can drive the moving roller 14 to rotate and slide along the supporting wire to perform a moving action, and the balance frame 13 can keep the balance of the fixed outer frame 11 in the process that the moving roller 14 guides the fixed outer frame 11 to slide along the supporting wire.
This remove 1 concrete during operation of frame, it can directly with the end card of line in silk rope embedded groove 15, later drive main shaft 12 rotatory through external driver (like the motor), then remove gyro wheel 14 and can be driven rotatoryly and slide in order to remove the action along propping the silk rope, detect this moment that position fixed establishment 3 and balancing stand 13 can cooperate removal gyro wheel 14 activity to make removal gyro wheel 14 can not appear the phenomenon of turning on one's side in the activity, and silk rope embedded groove 15 can restrict supporting the silk rope and run in order to prevent to support the silk rope.
As shown in fig. 2, 4 and 7, the balance frame 13 includes a connecting stud 131 and a connecting block 132 mounted on the fixed outer frame 11 and connected to the driving spindle 12, two counterweight clamping sleeves 133 symmetrical with respect to the axial center line of the supporting wire are connected to a side surface of the connecting block 132 away from the fixed outer frame 11, a threaded sleeve 134 connected to the connecting stud 131 is provided on each surface of the two counterweight clamping sleeves 133, and the connecting stud 131 can connect the two counterweight clamping sleeves 133 together.
This balancing stand 13 can play the increase and support the quilt of silk rope and wrap up the face, thereby it is less to cause the phenomenon of turning on one's side to prevent that the face of wrapping up is less to cause the stress surface that supports the silk rope, during the concrete implementation, it can directly to support the silk rope parcel through counter weight centre gripping cover 133 (be connected for rotating between this counter weight centre gripping cover 133 and the connecting block 132), and counter weight centre gripping cover 133 can also play the effect of counter weight, reduce counter weight centre gripping cover 133's focus, stability when guaranteeing fixed outrigger 11 to slide, thread bush 134 can link together two counter weight centre gripping covers 133 simultaneously, in order to increase two counter weight centre gripping cover 133 connection firmness.
As shown in fig. 2 and fig. 5, the specific structure of the driving ball post 21 is not exclusive, but the driving ball post 21 in this embodiment is preferred to increase the force angle of the driving ball post 21 (i.e. the driving ball post 21 can be driven in different directions) under the condition of the self-locking post 24.
The driving ball post 21 comprises a driving post 211 which is connected to the movable post sleeve 22 in a penetrating manner, a fixing sleeve 212 is installed at one end of the driving post 211, a driving tooth post 213 which is connected with the driving main shaft 12 is arranged in the fixing sleeve 212, the inner side wall of the fixing sleeve 212 is connected with a plurality of rotating sliding posts 214 which are connected with the driving tooth post 213 in a meshing manner in a penetrating manner, a reset spring 215 which is connected with the inner wall of the fixing sleeve 212 is sleeved on the side wall of the rotating sliding posts 214, a blocking elastic block 216 which is connected with the inner wall of one end, close to the fixed outer frame 11, of the fixing sleeve 212, the side wall of the other end of the driving post 211 is connected with a driving spiral ring 217, and the driving spiral ring 217 can drive the static self-locking post 24 to move so as to loosen the limit of the supporting wire rope.
When the driving ball post 21 is implemented, the driving main shaft 12 drives the driving tooth post 213 to move, then the driving tooth post 213 is engaged with the rotating sliding post 214 and the fixing sleeve 212 to move once, then the driving post 211 is also driven by the fixing sleeve 212 to rotate, so that the driving screw ring 217 moves, and the movable driving screw ring 217 can drive the stationary self-locking post 24 to move, so that the restriction of the stationary self-locking post 24 on the supporting wire rope is released (and after the driving main shaft 12 stops rotating, the driving post 211 also stops moving, and then the stationary self-locking post 24 immediately imposes the restriction on the supporting wire rope).
As shown in fig. 2 and 3, the static self-locking column 24 includes a plurality of fixed clamping columns 241 penetrating through the wire rope follower 23, a movable clamping column 242 is hinged on the fixed clamping column 241, and the movable clamping column 242 can clamp and limit the supporting wire rope between the movable clamping column 242 and the fixed clamping column 241 through the cooperation with the fixed clamping column 241; one end of the movable clamping column 242 close to the movable column sleeve 22 is provided with a self-locking spring 243 connected with the fixed clamping column 241, and the self-locking spring 243 can push the other end of the movable clamping column 242 to be tightly attached to the fixed clamping column 241; the side wall of the other end of the movable clamping column 242 is provided with a pulling rope 244 connected with the driving spiral ring 217.
As shown in fig. 2 and fig. 3, the driving screw ring 217 includes a driving sleeve 2171 sleeved on the sidewall of the driving cylinder 211, the sidewall of the driving sleeve 2171 is connected to the pulling rope 244, the sidewall of the driving cylinder 211 is provided with a sliding arc groove 2172, an elastic moving block 2173 is installed in the sliding arc groove 2172, and a pushing block 2174 pushed by the elastic moving block 2173 is installed on the inner sidewall of the driving sleeve 2171.
In the specific operation of the self-locking stationary column 24, once the cylinder 211 is moved, the driving sleeve 2171 drives the elastic moving block 2173 to move together, and at this time, the movable elastic moving block 2173 (preferably composed of a spring and a push plate capable of sliding in the sliding arc groove 2172) applies a pushing force to the push block 2174 to push the driving sleeve 2171 to slide along the side wall of the cylinder 211, and the driving sleeve 2171 winds the pull wire 244 around the side wall thereof while compressing the elastic moving block 2173, and when the elastic moving block 2173 is compressed to be unable to move continuously, the elastic moving block 2173 pushes the push block 2174 to bend, so that the force applied to the push block 2174 by the elastic moving block 2173 does not increase continuously, and the movement of the cylinder 211 is not affected.
During the winding of the pull cord 244, one end of the movable clamping post 242 is rotated to open to release the restriction imposed on the support cord while the other end of the movable clamping post 242 contracts and compresses the self-locking spring 243.
When the driving column 211 stops rotating, the self-locking spring 243 and the elastic moving block 2173 start to reset at the same time, that is, the elastic moving block 2173 drives the pushing block 2174 and the driving sleeve 2171 to move, so as to release the wound supporting wire rope, and meanwhile, the self-locking spring 243 accelerates the releasing efficiency of the supporting wire rope, so that the movable clamping column 242 resets to limit the supporting wire rope.
The wire rope follow-up sleeve 23 can clamp the supporting wire rope; the width of the wire rope follow-up sleeve 23 is larger than the diameter of the supporting wire rope, so that the supporting wire rope can be limited, and the movement of the movable clamping column 242 is not influenced.
As shown in fig. 6, a rope fastening groove 151 is formed at a central position of the rope insertion groove 15, a plurality of driving teeth 152 are installed on an inner wall of the rope insertion groove 15, and a driving engaging wheel ring 153 engaged with the driving teeth 152 is installed on a side wall of the driving main shaft 12.
The driving main shaft 12 directly drives the driving engaging wheel ring 153 to rotate, and then the rotating driving engaging wheel ring 153 is engaged with the driving tooth piece 152 (equivalent to a worm gear), so that the supporting wire rope embedded in the wire rope embedding groove 15 can move relative to the moving roller 14.
As shown in fig. 1, the detection position fixing mechanism 3 includes a gravity center downward movement block 31 connected with the fixed outer frame 11, a pushing spring sheet 32 is installed on the gravity center downward movement block 31, a guiding arc sheet 33 is installed on the pushing spring sheet 32, the guiding arc sheet 33 can guide the power supply line to slide out of the fixed outer frame 11 along the supporting wire rope sliding process at the fixed outer frame 11, and a height detection device is installed on the gravity center downward movement block 31.
The ejection elastic sheet 32 can play a role in increasing friction force between the supporting wire rope and the moving roller 14, the gravity center downward moving block 31 can play a role in reducing the gravity center of the fixed outer frame 11, the fixed outer frame 11 cannot be turned on one side, and the height detection device can select an infrared distance measurement instrument or an ultrasonic distance measurement instrument.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. The utility model provides a sag automatic checkout device of power supply line which characterized in that: the device comprises a control module and a moving frame (1) arranged on a supporting wire rope connected with a wire rod, wherein the side wall of the moving frame (1) is connected with a retreating self-locking mechanism (2), a height detection module and a signal transceiving module are arranged on the moving frame (1), and the surface of the moving frame (1) is connected with a detection position fixing mechanism (3);
the movable frame (1) can drive the detection position fixing mechanism (3) to slide along the supporting wire rope;
the detection position fixing mechanism (3) can determine a plurality of detection points on the surface of the cable connected with the supporting wire rope and sequentially perform sag detection action on each detection point; the retreating self-locking mechanism (2) can limit the current position of the detection position fixing mechanism (3) in the process that the movable frame (1) drives the detection position fixing mechanism (3) to move so as to prevent the detection position fixing mechanism (3) from separating from a current detection point;
the height detection module is used for simultaneously detecting the height of the current detection point from the ground and the height of the support wire rope at the position corresponding to the current detection point from the ground;
the signal receiving and transmitting module is used for transmitting the sum of the current detection points detected by the height detection module and the height information of the support wire rope at the position corresponding to the current detection points, which is far away from the ground, to the control module;
the control module is used for processing the height information from the signal receiving and transmitting module to obtain the height difference between the current detection point and the support wire rope at the position corresponding to the current detection point so as to obtain the accurate arc sag of the current detection point; the device is also used for sending an execution command to the signal transceiver module after the accurate arc sag of the current detection point is obtained, so that the signal transceiver module transmits the command to the mobile frame (1) for response execution;
the retreating self-locking mechanism (2) comprises a driving ball post (21) with the end part connected with the moving frame (1), the driving ball post (21) can be driven by the moving frame (1) to rotate when the moving frame (1) slides along a supporting wire rope, the side wall of the driving ball post (21) is connected with a movable post sleeve (22), a wire rope follow-up sleeve (23) is connected in the movable post sleeve (22), the wire rope follow-up sleeve (23) can be driven by the movable post sleeve (22) to slide along the supporting wire rope, a static self-locking post (24) is connected in the wire rope follow-up sleeve (23), and the static self-locking post (24) can be driven by the driving ball post (21) to release the limitation of the supporting wire rope;
when the movable frame (1) slides along the supporting wire rope, the movable frame (1) drives the ball column (21) to rotate, so that the static self-locking column (24) is driven by the driven ball column (21) to leave the initial position and release the limiting force applied to the supporting wire rope; after the driving ball post (21) stops rotating, the static self-locking post (24) returns to the initial position and exerts the limiting force on the supporting wire rope again.
2. The sag automatic detection device of a power supply line according to claim 1, characterized in that: remove frame (1) including fixed outrigger (11), be provided with driving spindle (12) along supporting the silk rope direction in fixed outrigger (11), the one end of driving spindle (12) is connected with balancing stand (13), the other end and the drive ball post (21) of driving spindle (12) are connected, install removal gyro wheel (14) of being connected with supporting the silk rope in fixed outrigger (11) is outer, silk rope embedded groove (15) have been seted up to the lateral wall that removes gyro wheel (14), driving spindle (12) can drive removal gyro wheel (14) rotation and slide along supporting the silk rope in order to remove the action, balancing stand (13) can be at removal gyro wheel (14) fixed outrigger (11) of guide along supporting the gliding in-process of silk rope and keeping the balance of fixed outrigger (11).
3. The sag automatic detection device of a power supply line according to claim 2, characterized in that: the balance frame (13) comprises a connecting stud (131) and a connecting block (132) which is arranged on the fixed outer frame (11) and connected with the driving spindle (12), wherein two counterweight clamping sleeves (133) which are symmetrical about the axial lead of the supporting wire rope are connected to one side surface of the connecting block (132) far away from the fixed outer frame (11), the two counterweight clamping sleeves (133) are provided with threaded sleeves (134) connected with the connecting stud (131) on the surface, and the connecting stud (131) can connect the two counterweight clamping sleeves (133) together.
4. The sag automatic detection device of a power supply line according to claim 3, characterized in that: the driving ball column (21) comprises a driving column body (211) which is connected with the movable column sleeve (22) in a penetrating way, a fixed sleeve (212) is arranged at one end of the driving cylinder (211), a driving tooth column (213) connected with the driving main shaft (12) is arranged in the fixed sleeve (212), the inner side wall of the fixed sleeve (212) is connected with a plurality of rotating sliding columns (214) which are meshed and connected with the driving tooth column (213) in a penetrating way, the side wall of the rotary sliding column (214) is sleeved with a reset spring (215) connected with the inner wall of the fixed sleeve (212), the inner wall of one end of the fixed sleeve (212) close to the fixed outer frame (11) is connected with a blocking elastic block (216), the side wall of the other end of the driving column body (211) is connected with a driving spiral ring (217), the driving spiral ring (217) can drive the static self-locking column (24) to move so as to loosen the limitation on the supporting wire rope.
5. The sag automatic detection device of a power supply line according to claim 4, characterized in that: the static self-locking column (24) comprises a plurality of fixed clamping columns (241) penetrating through the wire rope follow-up sleeve (23), the fixed clamping columns (241) are hinged with movable clamping columns (242), and the movable clamping columns (242) can clamp and limit the supporting wire rope between the movable clamping columns (242) and the fixed clamping columns (241) through matching with the fixed clamping columns (241); one end of the movable clamping column (242), which is close to the movable column sleeve (22), is provided with a self-locking spring (243) which is connected with the fixed clamping column (241), and the self-locking spring (243) can push the other end of the movable clamping column (242) to be tightly attached to the fixed clamping column (241); the side wall of the other end of the movable clamping column (242) is arranged on a pulling rope (244) connected with the driving spiral ring (217).
6. The sag automatic detection device of a power supply line according to claim 5, characterized in that: the wire rope follow-up sleeve (23) can clamp and support a wire rope;
the width of the wire rope follow-up sleeve (23) is larger than the diameter of the supporting wire rope.
7. The sag automatic detection device of a power supply line according to claim 6, characterized in that: the central point department of putting of silk rope embedded groove (15) has seted up silk rope fastening groove (151), a plurality of drive teeth piece (152) are installed to the inner wall of silk rope embedded groove (15), drive meshing wheel ring (153) of being connected with drive teeth piece (152) meshing are installed to the lateral wall of drive main shaft (12).
8. The sag automatic detection device of a power supply line according to claim 7, characterized in that: the driving spiral ring (217) comprises a driving sleeve (2171) sleeved on the side wall of the driving column body (211), the side wall of the driving sleeve (2171) is connected with the pulling rope (244), a sliding arc groove (2172) is formed in the side wall of the driving column body (211), an elastic moving block (2173) is installed in the sliding arc groove (2172), and a pushing block (2174) pushed by the elastic moving block (2173) is installed on the inner side wall of the driving sleeve (2171).
9. The sag automatic detection device of a power supply line according to claim 8, characterized in that: detect position fixed establishment (3) and include the focus of being connected with fixed outrigger (11) and move down piece (31), the focus moves down and installs ejection shell fragment (32) on piece (31), install guide arc piece (33) on ejection shell fragment (32), guide arc piece (33) can be at fixed outrigger (11) along supporting wire rope slip in-process guide power supply line roll-off fixed outrigger (11), the focus moves down and installs high detection device on piece (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251568.7A CN113686283B (en) | 2021-10-27 | 2021-10-27 | Sag automatic detection device of power supply line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251568.7A CN113686283B (en) | 2021-10-27 | 2021-10-27 | Sag automatic detection device of power supply line |
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| Publication Number | Publication Date |
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| CN113686283A CN113686283A (en) | 2021-11-23 |
| CN113686283B true CN113686283B (en) | 2022-01-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005021102A (en) * | 2003-07-04 | 2005-01-27 | Takagaki Seisakusho:Kk | Controller of slack-reducing device |
| CN102506788B (en) * | 2011-11-07 | 2013-12-25 | 四川省电力公司宜宾电业局 | Measuring instrument for sag height of power transmission line |
| CN108195329A (en) * | 2017-12-25 | 2018-06-22 | 安徽博达通信工程监理有限责任公司 | A kind of detection communication system of cable arc sag height |
| CN113029081A (en) * | 2021-04-09 | 2021-06-25 | 浙江清大智能机器人有限公司 | Lead sag measurement host and measurement method |
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