CN116365424B - Wire threading device for power grid construction - Google Patents
Wire threading device for power grid construction Download PDFInfo
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- CN116365424B CN116365424B CN202310635729.5A CN202310635729A CN116365424B CN 116365424 B CN116365424 B CN 116365424B CN 202310635729 A CN202310635729 A CN 202310635729A CN 116365424 B CN116365424 B CN 116365424B
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- electric wire
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/18—Gripping devices with linear motion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/083—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using lines, e.g. needles, rods or tapes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/088—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling devices movable inside conduits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/36—Installations of cables or lines in walls, floors or ceilings
- H02G3/38—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts
- H02G3/386—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts in walls
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a wire threading device for power grid construction, which comprises: a wire wheel, wherein a plurality of layers of traction wires are wound inside the wire wheel; the hand wheel is positioned at the inner side of the wire wheel, and a grab handle capable of sliding to change the position is arranged at the middle part of the hand wheel; the conveying frame is connected with the hand wheel and comprises a section of wire wheel, and the traction wire extends outwards from the conveying frame; the traction end is connected with one end of the traction wire, which penetrates through the conveying frame to extend outwards, the traction end is formed by sequentially connecting a power supply module, a fixing section, an elastic section and an extending section from one end of the traction wire connected with the traction end to the other end of the traction wire, and the power supply module, the fixing section, the elastic section and the extending section are sequentially connected. The invention utilizes the controllable traction end, can form the detection of the inner wall of the pipeline after the traction end and the traction wire enter the pipeline, and utilizes the detection of the inner wall of the pipeline to judge the state and the position of the traction end in the pipeline.
Description
Technical Field
The invention relates to the technical field of wire threading equipment, in particular to a wire threading device for power grid construction.
Background
In the circuit construction, wiring is required to be performed after positioning and grooving, wherein the wiring is generally performed by a wire pipe buried in a hidden manner. The conduit is provided with a cold bent pipe and a PVC pipe, the cold bent pipe can be bent without breaking, and is the best choice for wiring, because the corner of the conduit is arc-shaped, the wire can be replaced at any time without opening a wall.
When the construction of the line is carried out, a wiring person usually extends from one end of the pipeline to the other end of the pipeline by using the threading equipment, then one end of the wire to be routed is wound on the threading equipment, the threading equipment is pulled out, and the wire is pulled out reversely along the threading path to finish the wiring.
The threading equipment extends in the pipeline, and the bending path of the pipeline arrangement ensures that the electric wire can be stably pulled out in the later period, and the threading equipment can conveniently enter the pipeline and change the angle along with the bending path of the pipeline in the pipeline.
The existing threading equipment cannot freely control the offset angle of the threading equipment when the threading is performed, so that a single pipeline can only bear weak current or strong current lines of a single path, a plurality of pipelines are required to be threaded on the lines before single-point traction is performed to multiple points, the threading equipment cannot meet the traction of the lines before three-way pipes or multiple-way pipes are performed in the pipelines, the loss of the threading pipelines is caused, and the bending position in the pipelines cannot be detected because one end of the threading equipment which is used for traction is made of hard materials, the threading can only be performed by means of feeling when the threading is performed, and the construction time of the lines is prolonged.
Disclosure of Invention
The invention aims to provide an electric wire threading device for power grid construction, which can realize the function of changing the position of a traction end when a pipeline is multi-way, avoid the problems that a large number of pipelines are required to be consumed from one point to multiple points, the consumption is increased and the slotting area is large, and ensure the threading stability in the multi-way pipeline by utilizing the detection in the pipeline.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an electric wire threader for electric wire network construction, the threader comprising:
a wire wheel, wherein a plurality of layers of traction wires are wound inside the wire wheel;
the hand wheel is positioned at the inner side of the wire wheel, and a grab handle capable of sliding to change the position is arranged at the middle part of the hand wheel;
the conveying frame is connected with the hand wheel and comprises a section of wire wheel, and the traction wire extends outwards from the conveying frame;
the traction end is connected with one end of the traction wire penetrating through the conveying frame and extending outwards, the traction end is formed by connecting one end of the traction wire with the other end of the traction wire, the traction end is sequentially provided with a power supply module, a fixing section, an elastic section and an extending section, the power supply module, the fixing section, the elastic section and the extending section are sequentially connected, the elastic section is elastically arranged, the fixing section can form traction for deviating from one end of the fixing section, and the elastic section is subjected to traction bending.
In one or more embodiments of the present invention, the threader further comprises:
the driving device is arranged outside the conveying frame and extends into the conveying frame, and the driving device is contacted with the traction wire and can form conveying of the traction wire;
and the control device is arranged in the hand wheel, and is connected with the driving device and the traction end through signals and controls the driving device and the traction end.
In one or more embodiments of the present invention, the traction end further includes:
the ball is arranged on the inner side of one end, connected with the elastic section, of the fixed section, and the ball freely rotates on the inner side of the fixed section;
the detection head is arranged on the inner side of the extension section and extends towards one end of the extension section, which is far away from the elastic section, and the detection head contacts the inner wall of the pipeline when the traction end penetrates into the pipeline and retracts according to the shape of the inner wall of the pipeline;
the supporting wheel is arranged at the outer side of the extension section and has two states of detection and traction, the supporting wheel is in convex contact with the inner wall of the pipeline in the detection state, and the supporting wheel is contracted in the traction state;
the traction head is arranged on the inner side of the extension section in an adjustable mode, the traction head is in traction and threading states, the traction head is wrapped with the elastic section in the threading state, and the traction head is wrapped with the electric wire on the outer side of one end of the extension section, which extends to the outer side of the extension section, of the detection head in the traction state.
In one or more embodiments of the present invention, the above-mentioned detection head includes:
the extension block is slidably arranged in the extension section, a supporting spring is arranged outside one end of the extension block extending to the inside of the extension section, and the supporting spring forms a support for the extension block;
the sliding detection device is arranged inside the extension section, one end, close to the extension block, of the sliding detection device is a sliding rod used for detecting the expansion amount, the sliding rod extends to the inside of the extension block, and the extension block contracts and expands to drive the sliding rod to synchronously expand and contract.
In one or more embodiments of the present invention, the fixing section includes:
the two ends of the main rod are respectively connected with the power supply module and the elastic section, at least four cavities are arranged in the main rod, and the cavities which are symmetrical to each other in the four cavities are communicated by one end of the main rod, which is far away from the elastic column;
the traction electromagnet is slidably arranged in the cavity, the cavity is divided into two small cavities which are not mutually communicated with each other and are filled with medium and unfilled with medium, one end of the small cavity which is not filled with medium of the traction electromagnet is provided with a traction rope, one end of the traction rope is connected with the outer wall of the traction electromagnet, and the other end of the traction rope penetrates through the main rod and is connected with the elastic section;
the control electromagnet is connected with the inner wall of the cavity, and the control electromagnet and the traction electromagnet can realize interval adjustment by changing magnetic poles.
In one or more embodiments of the present invention, the supporting wheel includes:
the retainer is connected with the inner side of the extension section, a supporting rod which can be outwards protruded and forms a triangle with the retainer is arranged in the retainer, and a rotatable pressure detection assembly is arranged in the middle of the supporting rod;
the roller is rotatably arranged at the inner side of the pressure detection assembly, contacts the inner wall of the pipeline when the supporting wheel is in a detection state, and forms extrusion on the detection end of the pressure detection assembly;
and the electromagnetic push plate is connected with the inner side of the retainer and corresponds to the position of the pressure detection assembly.
In one or more embodiments of the present invention, the traction head includes:
the adjusting plate can be arranged on the inner side of the extension section in a swinging way, one end of the adjusting plate, which is away from the extension section, is provided with a clamping ring, and an elastic body is fixed in the clamping ring, wherein the adjusting plate, the clamping ring and the elastic body are symmetrically arranged;
the two ends of the connector extend to the inside of the adjusting plate and the clamping ring respectively, so that the clamping ring can rotate relative to the adjusting plate, and the clamping ring can be held in two positions after the adjusting plate swings;
the clamping plate can be arranged on the outer side of the clamping ring at one side in a swinging way, a clamping groove matched with the clamping plate is formed on the outer side of the clamping ring at the other side, and the clamping plate is inserted into the clamping groove to form limit on the clamping rings at two sides;
the clamping groove is formed in the outer side of the clamping ring.
In one or more embodiments of the present invention, the wire wheel includes:
the installation wheel is sleeved on the outer side of the hand wheel, and the traction wire is wound on the outer side of the installation wheel;
the magnetic plate is arranged on the inner side of the mounting wheel;
the steel balls can be arranged on the inner side of the mounting wheel in a rolling way.
In one or more embodiments of the present invention, the hand wheel includes:
the positioning wheel is arranged on the inner side of the mounting wheel, and the steel balls are arranged between the positioning wheel and the mounting wheel;
the traction plate is arranged on the outer side of the positioning wheel and is mutually magnetically attracted with the magnetic plate;
the grab handle is positioned in the middle of the positioning wheel and extends to the inner side of the positioning wheel, and one end of the grab handle extending to the inner side of the positioning wheel is provided with a ball which is in contact with the positioning wheel.
In one or more embodiments of the present invention, the driving device includes:
the motor is connected to the conveying frame through a bolt, and the output end of the motor faces the conveying frame;
the extrusion wheel is rotatably arranged in the conveying frame, and a transmission assembly is arranged between the extrusion wheel and the motor to form transmission between the motor and the extrusion wheel;
the pushing plate is positioned at the inner side of the conveying frame, and the compression spring is arranged at the inner side of the pushing plate to form a support for the pushing plate.
The invention provides a wire threading device for power grid construction. Compared with the prior art, the method has the following beneficial effects:
1. the invention utilizes the controllable traction end, after the traction end and the traction wire enter the pipeline, the detection of the inner wall of the pipeline can be formed, the state and the position of the traction end in the pipeline are judged by the detection of the inner wall of the pipeline, and then the bending of the traction end can be controlled to realize the stable penetration of the traction end in the multi-way pipeline.
2. The invention utilizes the detection head capable of forming the opposite detection of the traction end, detects the end face of the traction end when in use, and can judge the position of the traction end according to the bending shape of the inner wall of the pipeline when the traction end reaches the bending position of the pipeline, thereby being capable of carrying out traction of the traction end and changing the bending of the traction end, and ensuring the threading accuracy of the traction end.
3. When the pipeline is multi-way, the position of the multi-way communication of the pipeline cannot form a complete inner wall, and by utilizing the characteristic, the multi-way position of the pipeline can be judged when the defect of the pipeline at a certain position is detected through the detection of the inner wall of the pipeline, so that the multi-way position of the pipeline can be judged at the position where the supporting wheel is not in contact with the pipeline through the rolling detection of the supporting wheel at the inner wall of the pipeline, thereby realizing accurate traction.
4. The invention utilizes the traction head capable of switching the states, can be used for threading at the traction end and in different states at two positions when the traction end is used for traction, can completely clamp and fix the electric wire when the traction is carried out, ensures the stability of the electric wire when the threading is carried out, and can not interfere with the detection work of the detection head when the threading is carried out.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a disassembled view of the hand wheel and the wire wheel structure of the present invention;
FIG. 3 is a schematic view of a hand wheel of the present invention;
FIG. 4 is a cross-sectional view of a hand wheel of the present invention;
FIG. 5 is a schematic view of a carriage and a pulling end of the present invention;
FIG. 6 is a cross-sectional view of the carrier of the present invention;
FIG. 7 is a schematic diagram of the connection of the reel and the pulling end of the present invention;
FIG. 8 is a schematic drawing of the pulling end of the present invention;
FIG. 9 is a transverse view of the pulling end of the present invention;
FIG. 10 is a schematic view of the traction head of the present invention in a state of pulling a wire;
FIG. 11 is a schematic view showing the extension state of the pulling head in the pipeline according to the present invention;
FIG. 12 is a cross-sectional view of a pull head of the present invention;
FIG. 13 is a cross-sectional view of the support wheel of the present invention;
FIG. 14 is a schematic view showing a supporting state of the supporting wheel according to the present invention;
FIG. 15 is a schematic diagram of a test head according to the present invention;
FIG. 16 is a partial schematic view of the traction end of the present invention;
FIG. 17 is a cross-sectional view of the boom of the present invention;
fig. 18 is a schematic view of the internal structure of the boom according to the present invention.
In the figure: a wire wheel 1, a hand wheel 2, a conveying frame 3, a driving device 4, a traction end 5 and a control device 6;
the device comprises a mounting wheel 11, a traction wire 12, steel balls 13 and a magnetic plate 14;
21 positioning wheels, 22 traction plates, 23 grab handles and 24 balls;
41 motor, 42 transmission assembly, 43 squeeze wheel, 44 push plate, 45 compression spring;
the device comprises a fixing section 51, a power supply module 52, an elastic section 53, an extension section 54, a ball 55, a supporting wheel 56, a detection head 57 and a traction head 58;
511 main rod, 512 control electromagnet, 513 traction electromagnet, 514 traction rope, 515 cavity;
561 retainer, 562 support rod, 563 pressure detecting component, 564 roller, 565 electromagnetic push plate;
571 slide detection means, 572 extension block, 573 support spring;
581 adjustment plate, 582 grip ring, 583 clamp plate, 584 elastomer, 585 clamping groove, 586 connector, 587 clamping groove.
Detailed Description
Various embodiments of the invention are disclosed in the accompanying drawings, and for purposes of explanation, numerous practical details are set forth in the following description. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Furthermore, for the purpose of simplifying the drawings, some of the presently available structures and elements are shown in a simplified schematic form, and the same reference numerals will be used throughout the drawings to designate the same or similar elements. And features of different embodiments may be interactively applied, if implementation is possible.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have their ordinary meaning as understood by one of ordinary skill in the art. Furthermore, the definitions of the words and phrases used herein should be understood and interpreted to have a meaning consistent with the understanding of the relevant art and technology. These terms are not to be construed as idealized or overly formal meanings unless expressly so defined.
Referring to fig. 1-18, the invention provides a wire threading device for power grid construction, which is used for threading the inside of a pipeline, wherein the threading device can adjust the swing angle of one end penetrating into the inside of the pipeline according to different pipelines when in use, so as to ensure the traction stability.
The utility model is characterized in that the threading apparatus comprises:
a wire wheel 1, wherein a plurality of layers of traction wires 12 are wound inside the wire wheel 1;
the hand wheel 2 is positioned at the inner side of the wire wheel 1, the wire wheel 1 and the hand wheel 2 are coaxially arranged, a gap generated between the hand wheel 2 and the wire wheel 1 is smaller than 0.5mm, and a grab handle 23 capable of sliding and changing positions is arranged at the middle part of the hand wheel 2;
a conveying frame 3 fixedly connected with the hand wheel 2 and comprising a section of wire wheel 1, wherein a traction wire 12 in the wire wheel 1 extends outwards from the conveying frame 3;
the traction end 5 is fixedly connected with one end of the traction wire 12, which penetrates through the conveying frame 3 to extend outwards, the traction end 5 is formed by connecting one end of the traction wire 12 to the other end of the traction end 5, the power supply module 52, the fixing section 51, the elastic section 53 and the extending section 54 are sequentially and fixedly connected, the elastic section 53 is elastically arranged, and the fixing section 51 can form traction for one end of the elastic section 53 deviating from the fixing section 51, and the elastic section 53 is subjected to traction bending.
In this embodiment, the traction end 5 capable of being controlled is provided, and bending can be achieved under the control of the traction end 5 without external force, so that the traction end 5 can be ensured to be changed according to the condition inside the pipeline in the use process, the traction of the position is assisted by the change of the traction end 5, thereby providing an accurate path for threading, and the threading construction time can be saved when the threading of the multi-way pipeline is performed.
In one embodiment, the threader further comprises:
a driving device 4 disposed outside the carriage 3 and extending into the carriage 3, wherein the driving device 4 is in contact with the traction wire 12 and is capable of forming a conveyance of the traction wire 12;
and a control device 6 disposed inside the hand wheel 2, wherein the control device 6 is connected with the driving device 4 and the traction end 5 through signals and controls the driving device 4 and the traction end 5.
In this embodiment, the efficiency of carrying can be guaranteed through the automatic conveying of drive arrangement 4, and the conveying speed to the pull wire 12 can be guaranteed to the conveying of pull wire 12 through the action realization of drive arrangement 4 to can be favorable to drawing end 5 more to draw, when drawing end 5 draws, drive arrangement 4 can stop the motion in step, has guaranteed the stability when drawing the bending.
In one embodiment, the pulling end 5 further comprises:
a ball 55 mounted on the inner side of the end of the fixed section 51 connected with the elastic section 53, the ball 55 freely rotating on the inner side of the fixed section 51;
the detection head 57 is arranged on the inner side of the extension section 54 and extends towards one end of the extension section 54, which is away from the elastic section 53, and the detection head 57 contacts the inner wall of the pipeline when the traction end 5 penetrates into the pipeline and retracts according to the shape of the inner wall of the pipeline;
the supporting wheel 56 is arranged outside the extension section 54, the supporting wheel 56 has two states of detection and traction, the supporting wheel 56 is in convex contact with the inner wall of the pipeline in the detection state, and the supporting wheel 56 is contracted in the traction state;
the pulling head 58 is adjustably disposed inside the extension section 54, the pulling head 58 has two states of pulling and threading, the pulling head 58 is wrapped around the elastic section 53 in the threading state, and the pulling head 58 is wrapped around the electric wire in the pulling state at the outer side of one end of the detecting head 57 extending to the outer side of the extension section 54.
In this embodiment, the diameters of the fixed segment 51 and the extending segment 54 are consistent, and in order to ensure that the elastic segment 53 can bend as much as possible after being pulled, the diameter of the elastic segment 53 is smaller than that of the fixed segment 51 and the extending segment 54, and the elastic material of the elastic segment 53 is reset after the pulling force disappears, therefore, when the elastic segment 53 bends to bend the extending segment 54 into the bypass of the pipeline, the fixed segment 51 is longer, there is a position where the fixed segment 51 is blocked by the pipe wall connecting position, and the rotatable ball 55 can assist in swinging the fixed segment 51, so as to avoid the problem that the fixed segment 51 is blocked.
In one embodiment, the detection head 57 includes:
extension block 572 slidably mounted inside extension section 54, wherein a support spring 573 is disposed outside one end of extension section 54 extending to the inside of extension section, and both ends of support spring 573 respectively contact extension block 572 and extension section 54 and form a support for extension block 572;
the sliding detection device 571 is installed inside the extension section 54, one end of the sliding detection device 571, which is close to the extension block 572, is a sliding rod for detecting the expansion amount, the sliding rod extends into the extension block 572, and the extension block 572 contracts and expands to drive the sliding rod to synchronously expand and contract.
In this embodiment, when the extension section 54 penetrates into the pipeline, the extension block 572 will first enter the pipeline, and at the bending position inside the pipeline, the extension block 572 will first contact the inner wall of the bending position of the pipeline earlier than the extension section 54, and the arc-shaped inner wall of the bending position of the pipeline will squeeze the extension block 572, so that the extension block 572 will shrink by different distances due to different compression of the extension blocks 572, thereby determining the state of the pulling end 5 inside the pipeline.
When judging that the traction end 5 is in the state of the pipeline, the traction of the fixed end to the elastic section 53 can be referred to in the azimuth, and when the bent tee joint position occurs, the extension section 54 can be bent to different angles through different traction forces, so that different communication positions are selected, and the accuracy of a threading path in the threading process is ensured.
In one embodiment, the fixed segment 51 comprises:
the two ends of the main rod 511 are respectively connected with the power supply module 52 and the elastic section 53, at least four cavities 515 are arranged in the main rod 511, and the cavities 515 which are mutually symmetrical in the four cavities 515 are communicated by one end of the main rod 511, which is far away from the elastic column;
the traction electromagnet 513 is slidably arranged in the cavity 515 and divides the cavity 515 into two small cavities which are not mutually communicated with each other, one end of the small cavity which is not filled with the medium of the traction electromagnet 513 is provided with a traction rope 514, one end of the traction rope 514 is fixed on the outer wall of the traction electromagnet 513, and the other end of the traction rope 514 penetrates through the main rod 511 and is connected with the elastic section 53;
the control electromagnet 512 is fixed on the inner wall of the cavity 515, and the control electromagnet 512 and the traction electromagnet 513 can realize the distance adjustment by changing the magnetic poles.
In this embodiment, the control electromagnet 512 is hollow, so that the communication between the cavities 515 is not hindered, when the elastic section 53 is pulled, the control electromagnet 512 and the traction electromagnet 513 are magnetically attracted to each other, and the position of the control electromagnet 512 is fixed, so that the traction electromagnet 513 slides and pulls the traction rope 514 to shrink, the traction electromagnet 513 can squeeze the medium between the control electromagnet 512, the medium can enter the other cavities 515, so that the traction electromagnet 513 in the other cavities is pushed to move outwards, and a section of the traction rope 514 connected with the traction electromagnet 513 leaks outside the main rod 511 to be prolonged, so that the bending of the elastic section 53 is realized.
The cavity 515 is divided into two small chambers according to the position of the traction electromagnet 513, one of the two small chambers is filled with medium, and the other is not filled with medium, wherein the medium is hydraulic oil, and after the medium is extruded, the medium enters the cavity 515 at the other side due to the communication between the symmetrical cavities 515, so that the volume of the small chamber for filling the medium in the cavity 515 at the other side is increased.
In one embodiment, the support wheel 56 includes:
the retainer 561 is fixed on the inner side of the extension section 54, a supporting rod 562 which can be outwards protruded and form a triangle with the retainer 561 is arranged in the retainer 561, and a rotatable pressure detection component 563 is arranged in the middle of the supporting rod 562;
a roller 564 rotatably installed inside the pressure detecting assembly 563, the roller 564 contacting the inner wall of the pipe when the supporting wheel 56 is in a detecting state, and the roller 564 forming a press against the detecting end of the pressure detecting assembly 563;
an electromagnetic push plate 565 is fixed inside the holder 561 and corresponds to the position of the pressure detecting assembly 563.
In the present embodiment, the support rods 562 are provided at both sides thereof with protrusions extending to the inside of the holder 561, which limit the position of the support rods 562 when supporting the pressure detecting assembly 563 to be protruded outwardly, while the inside of the holder 561 is provided with a slide groove in which the protrusions can slide, along which the protrusions slide, so that the pressure detecting assembly 563 in the middle is protruded outwardly.
The pressure detecting component 563 is magnetically disposed at one end of the electromagnetic push plate 565, and when the electromagnetic push plate 565 switches magnetic poles, the pressure detecting component 563 can change positions, and is protruded or contracted, so that the detecting and traction states of the supporting wheel 56 are corresponding, when the traction device is in traction, the traction end 5 is penetrated out from the other end of the pipeline, so that the inner wall of the pipeline is not required to be detected, only the original pipeline is required to return, and friction between the supporting wheel 56 and the pipe wall can be reduced.
In one embodiment, the traction head 58 includes:
the adjusting plate 581 is arranged on the inner side of the extension section 54 in a swinging way, one end of the adjusting plate, which is far away from the extension section 54, is provided with a clamping ring 582, and an elastic body 584 is fixed in the clamping ring 582, wherein the adjusting plate 581, the clamping ring 582 and the elastic body 584 are symmetrically arranged;
the connecting head 586, two ends extend to the adjusting plate 581 and the clamping ring 582 respectively, so that the clamping ring 582 can rotate relative to the adjusting plate 581, and the clamping ring 582 can be held at two positions after the adjusting plate 581 swings;
the clamping plate 583 is arranged on the outer side of the one-side clamping ring 582 in a swinging manner, a clamping groove 585 matched with the clamping plate 583 is formed on the outer side of the other-side clamping ring 582, and the clamping plate 583 is inserted into the clamping groove 585 to form a limit on the two-side clamping ring 582;
the clamp groove 587 is formed on the outer side of the clamp ring 582.
In this embodiment, when the pulling head 58 is in the threading state, the elastic body 584 is wrapped around the elastic section 53, in this state, the pulling head 58 will not affect the detection of the inner wall of the pipeline when the pulling end 5 is threaded into the pipeline, and after the pulling end 5 is passed out from the other end of the pipeline, the setting of the wiring path is completed, the adjusting plate 581 swings 180 ° to wrap the wire, and meanwhile, the wire is placed in the clamping groove 587, the clamping plate 583 is used to clamp the wire, and the wire is pulled back, at this time, the detecting head 57 is not required to work, so the pulling head 58 will not affect the work of the detecting head 57.
When the electric wire is clamped only by the elastic body 584, the electric wire is separated due to a large friction force, and after the electric wire is bent, the electric wire is placed in the clamping groove 587, and the clamping plate 583 is extruded, so that the stability of the electric wire in pulling can be ensured.
In one embodiment, the reel 1 comprises:
the installation wheel 11 is sleeved on the outer side of the hand wheel 2, and the traction wire 12 is wound on the outer side of the installation wheel 11;
a magnetic plate 14 mounted inside the mounting wheel 11;
the steel balls 13 can be arranged on the inner side of the installation wheel 11 in a rolling way.
In this embodiment, the mounting wheel 11 can rotate relative to the hand wheel 2, so that the smoothness of the delivery of the traction wire 12 can be ensured when the driving device 4 delivers the traction wire 12, and the magnetic plate 14 can magnetically attract the hand wheel 2, so that the speed of the mounting wheel 11 when rotating relative to the hand wheel 2 is reduced, and the mounting wheel 11 is prevented from continuing to rotate due to inertia after the driving device 4 delivers the traction wire 12.
In one embodiment, the handwheel 2 comprises:
the positioning wheel 21 is arranged on the inner side of the mounting wheel 11, and the steel balls 13 are arranged between the positioning wheel 21 and the mounting wheel 11;
the traction plate 22 is arranged outside the positioning wheel 21 and is mutually magnetically attracted with the magnetic plate 14;
the grab handle 23 is positioned in the middle of the positioning wheel 21 and extends to the inner side of the positioning wheel 21, and one end of the grab handle 23 extending to the inner side of the positioning wheel 21 is provided with a ball 24 which is contacted with the positioning wheel 21.
In this embodiment, the traction plate 22 and the magnetic plate 14 mutually absorb magnetism to increase the traction force required for rotation between the positioning wheel 21 and the mounting wheel 11, so that inertial rotation of the mounting wheel 11 can be further avoided, and the arrangement of the steel balls 13 can reduce friction between the positioning wheel 21 and the mounting wheel 11, so that smoothness in rotation is ensured.
Wherein, the inside of the positioning wheel 21 is provided with a moving groove for the handle 23 to move, when a user grasps the handle 23, the position of the positioning wheel 21 can move relative to the handle 23, thereby ensuring stable grasping under different using postures.
In one embodiment, the driving device 4 includes:
a motor 41 fixed to the carriage 3 by bolts (not shown), the output end of the motor 41 being directed toward the carriage 3;
the extrusion wheel 43 is rotatably arranged in the conveying frame 3, the middle part of the extrusion wheel 43 is concave, and a transmission component 42 is arranged between the extrusion wheel 43 and the motor 41 to form transmission between the motor 41 and the extrusion wheel 43;
a push plate 44, which is located inside the carriage 3 and faces the nearest pressing wheel 43, and a compression spring 45 is provided inside the push plate 44 to form a support for the push plate 44.
In this embodiment, the motor 41 drives the extrusion wheel 43 to rotate so that the traction wire 12 can be conveyed, and when the traction wire is recovered, the motor 41 moves reversely to manually rotate the wire wheel 1, so that the traction wire 12 is recovered, wherein the transmission assembly 42 rotates a belt and a belt pulley, so that the extrusion wheel 43 can synchronously rotate.
In summary, the technical solution disclosed in the above embodiment of the present invention has at least the following advantages:
1. the invention can detect the inner wall of the pipeline by utilizing the controllable traction end 5 after the traction end 5 and the traction wire 12 enter the pipeline, judge the state and the position of the traction end 5 in the pipeline by utilizing the detection on the inner wall of the pipeline, and then control the bending of the traction end 5 to realize the stable penetration of the traction end 5 in the multi-way pipeline.
2. The invention utilizes the detection head 57 capable of forming the detection of the opposite surface of the traction end 5, detects the end surface of the traction end 5 when in use, and can judge the position of the traction end 5 according to the bending shape of the inner wall of the pipeline when the traction end 5 reaches the bending position of the pipeline, thereby being capable of carrying out traction of the traction end 5 and changing the bending of the traction end 5, so that the traction end 5 can ensure threading accuracy.
3. When the pipeline is multipass, the position of multipass communication cannot form a complete inner wall, and by utilizing the characteristic, the multipass position of the pipeline can be judged when detecting the defect of a certain position of the pipeline by detecting the inner wall of the pipeline, so that the multipass position of the pipeline can be judged at the position where the supporting wheel 56 is not in contact with the pipeline by rolling detection of the supporting wheel 56 on the inner wall of the pipeline, thereby realizing accurate traction.
4. The invention utilizes the traction head 58 capable of switching states, can present two different positions for use when the traction end 5 is used for threading and traction is carried out in two states, can completely clamp and fix the wire when traction is carried out, ensures the wire to be stable during threading, and can not interfere the detection work of the detection head 57 when threading is carried out
Although the present invention has been described in connection with the above embodiments, it should be understood that the invention is not limited thereto, but may be variously modified and modified by those skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is accordingly defined by the appended claims.
Claims (9)
1. The utility model provides a electric wire threading apparatus for electric wire netting construction which characterized in that, this threading apparatus includes:
a wire wheel, wherein a plurality of layers of traction wires are wound inside the wire wheel;
the hand wheel is positioned at the inner side of the wire wheel, and a grab handle capable of sliding to change the position is arranged at the middle part of the hand wheel;
the conveying frame is connected with the hand wheel and comprises a section of wire wheel, and the traction wire extends outwards from the conveying frame;
the traction end is connected with one end of the traction wire, which penetrates through the conveying frame and extends outwards, the traction end is sequentially provided with a power supply module, a fixed section, an elastic section and an extending section from one end of the traction end, which is connected with the traction wire, the power supply module, the fixed section, the elastic section and the extending section are sequentially connected, the elastic section is elastically arranged, the fixed section can form traction for one end of the elastic section, which deviates from the fixed section, and the elastic section is subjected to traction bending;
the pulling end further comprises:
the ball is arranged on the inner side of one end, connected with the elastic section, of the fixed section, and the ball freely rotates on the inner side of the fixed section;
the detection head is arranged on the inner side of the extension section and extends towards one end of the extension section, which is far away from the elastic section, and the detection head contacts the inner wall of the pipeline when the traction end penetrates into the pipeline and retracts according to the shape of the inner wall of the pipeline;
the supporting wheel is arranged at the outer side of the extension section and has two states of detection and traction, the supporting wheel is in convex contact with the inner wall of the pipeline in the detection state, and the supporting wheel is contracted in the traction state;
the traction head is arranged on the inner side of the extension section in an adjustable mode, the traction head is in traction and threading states, the traction head is wrapped with the elastic section in the threading state, and the traction head is wrapped with the electric wire on the outer side of one end of the extension section, which extends to the outer side of the extension section, of the detection head in the traction state.
2. The electric wire threading apparatus for electric wire network construction according to claim 1, characterized in that the threading apparatus further comprises:
the driving device is arranged outside the conveying frame and extends into the conveying frame, and the driving device is contacted with the traction wire and can form conveying of the traction wire;
and the control device is arranged in the hand wheel, and is connected with the driving device and the traction end through signals and controls the driving device and the traction end.
3. The electric wire threading apparatus for electric wire network construction according to claim 2, wherein the detecting head comprises:
the extension block is slidably arranged in the extension section, a supporting spring is arranged outside one end of the extension block extending to the inside of the extension section, and the supporting spring forms a support for the extension block;
the sliding detection device is arranged inside the extension section, one end, close to the extension block, of the sliding detection device is a sliding rod used for detecting the expansion amount, the sliding rod extends to the inside of the extension block, and the extension block contracts and expands to drive the sliding rod to synchronously expand and contract.
4. A wire threader for electric network construction according to claim 3 characterized in that the fixed section comprises:
the two ends of the main rod are respectively connected with the power supply module and the elastic section, at least four cavities are arranged in the main rod, and the cavities which are symmetrical to each other in the four cavities are communicated by one end of the main rod, which is far away from the elastic column;
the traction electromagnet is slidably arranged in the cavity, the cavity is divided into two small cavities which are not mutually communicated with each other and are filled with medium and unfilled with medium, one end of the small cavity which is not filled with medium of the traction electromagnet is provided with a traction rope, one end of the traction rope is connected with the outer wall of the traction electromagnet, and the other end of the traction rope penetrates through the main rod and is connected with the elastic section;
the control electromagnet is connected with the inner wall of the cavity, and the control electromagnet and the traction electromagnet can realize interval adjustment by changing magnetic poles.
5. The electric wire threader for electric wire network construction according to claim 4, characterized in that the supporting wheel comprises:
the retainer is connected with the inner side of the extension section, a supporting rod which can be outwards protruded and forms a triangle with the retainer is arranged in the retainer, and a rotatable pressure detection assembly is arranged in the middle of the supporting rod;
the roller is rotatably arranged at the inner side of the pressure detection assembly, contacts the inner wall of the pipeline when the supporting wheel is in a detection state, and forms extrusion on the detection end of the pressure detection assembly;
and the electromagnetic push plate is connected with the inner side of the retainer and corresponds to the position of the pressure detection assembly.
6. The electric wire threader for electric wire network construction according to claim 5, characterized in that the pulling head comprises:
the adjusting plate can be arranged on the inner side of the extension section in a swinging way, one end of the adjusting plate, which is away from the extension section, is provided with a clamping ring, and an elastic body is fixed in the clamping ring, wherein the adjusting plate, the clamping ring and the elastic body are symmetrically arranged;
the two ends of the connector extend to the inside of the adjusting plate and the clamping ring respectively, so that the clamping ring can rotate relative to the adjusting plate, and the clamping ring can be held in two positions after the adjusting plate swings;
the clamping plate can be arranged on the outer side of the clamping ring at one side in a swinging way, a clamping groove matched with the clamping plate is formed on the outer side of the clamping ring at the other side, and the clamping plate is inserted into the clamping groove to form limit on the clamping rings at two sides;
the clamping groove is formed in the outer side of the clamping ring.
7. The electric wire threading apparatus for electric wire network construction according to claim 1, wherein the wire wheel comprises:
the installation wheel is sleeved on the outer side of the hand wheel, and the traction wire is wound on the outer side of the installation wheel;
the magnetic plate is arranged on the inner side of the mounting wheel;
the steel balls can be arranged on the inner side of the mounting wheel in a rolling way.
8. The electric wire threader for electric wire network construction according to claim 7, characterized in that the hand wheel comprises:
the positioning wheel is arranged on the inner side of the mounting wheel, and the steel balls are arranged between the positioning wheel and the mounting wheel;
the traction plate is arranged on the outer side of the positioning wheel and is mutually magnetically attracted with the magnetic plate;
the grab handle is positioned in the middle of the positioning wheel and extends to the inner side of the positioning wheel, and one end of the grab handle extending to the inner side of the positioning wheel is provided with a ball which is in contact with the positioning wheel.
9. The electric wire threading apparatus for electric wire network construction according to claim 2, wherein the driving means comprises:
the motor is connected to the conveying frame through a bolt, and the output end of the motor faces the conveying frame;
the extrusion wheel is rotatably arranged in the conveying frame, and a transmission assembly is arranged between the extrusion wheel and the motor to form transmission between the motor and the extrusion wheel;
the pushing plate is positioned at the inner side of the conveying frame, and the compression spring is arranged at the inner side of the pushing plate to form a support for the pushing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635729.5A CN116365424B (en) | 2023-06-01 | 2023-06-01 | Wire threading device for power grid construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635729.5A CN116365424B (en) | 2023-06-01 | 2023-06-01 | Wire threading device for power grid construction |
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| CN116365424A CN116365424A (en) | 2023-06-30 |
| CN116365424B true CN116365424B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310635729.5A Active CN116365424B (en) | 2023-06-01 | 2023-06-01 | Wire threading device for power grid construction |
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|---|---|
| CN116365424A (en) | 2023-06-30 |
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