CN107492841B - Threading equipment and threading method thereof - Google Patents
Threading equipment and threading method thereof Download PDFInfo
- Publication number
- CN107492841B CN107492841B CN201710854237.XA CN201710854237A CN107492841B CN 107492841 B CN107492841 B CN 107492841B CN 201710854237 A CN201710854237 A CN 201710854237A CN 107492841 B CN107492841 B CN 107492841B
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- Prior art keywords
- wire
- lead
- threading
- port
- air suction
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Classifications
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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
- H02G1/086—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 fluid as pulling means, e.g. liquid, pressurised gas or suction means
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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
- H02G1/081—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 means at cable ends, e.g. pulling eyes or anchors
Abstract
A threading apparatus and threading method thereof, the threading apparatus comprising: the air suction device is connected to one end of the spool and is used for carrying out air suction operation in the spool and providing wire feeding power for the first lead; the wire pulling device is used for winding a second lead and carrying out wire pulling operation, and the toughness of the second lead is larger than that of the first lead; and the motor is connected with the wire pulling device and used for providing wire pulling power for the wire pulling device. The threading equipment and the threading method thereof can improve threading efficiency.
Description
Technical Field
The invention relates to the field of construction engineering machinery, in particular to threading equipment and a threading method thereof.
Background
In modern building engineering construction, the electric wire pipe is embedded in the wall body and the floor slab in a concealed mode, and when the construction of the main body structure is completed, the wiring operation of the electric wire pipe is started. The existing wiring mode comprises a threading step and a pulling step, wherein after the lead wire is fed into the spool, the lead wire is butted with the wire, and then the lead wire is pulled back, so that the wire is installed in the spool. The traditional wiring mode is that an electrician manually feeds the lead into a wiring pipeline, the efficiency of the mode is low, the labor and time are wasted, when the number of turns is large and the distance of the spool is long, the wire feeding process is very difficult, and the spool is frequently required to be grooved to be taken out and rearranged; although the threading machine is adopted to simulate a manual wire winding mode, the labor-saving effect can be achieved to a certain extent when the wire is pulled, but the problem that the wire is difficult to thread still exists.
The prior art has the problems that the wire is extruded by adopting a group of wheels, the wire is fed into the spool by taking friction force as power, and the wire feeding mode is far away from a wire feeding port, so that the power loss is more. And the ability of the lead wire to transmit thrust is poor, the lead wire mainly advances by the elasticity of the rope extrusion, and when the number of turns is more, the threading process is more difficult and the efficiency is lower.
Therefore, there is also a need to provide a new threading device and threading method to improve the wiring efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing threading equipment and a threading method so as to improve wiring efficiency.
In order to solve the above problems, the present invention provides a threading device including: the air suction device is connected to one end of the spool and is used for carrying out air suction operation in the spool and providing wire feeding power for the first lead; the wire pulling device is used for winding a second lead and carrying out wire pulling operation, and the toughness of the second lead is larger than that of the first lead; and the motor is connected with the wire pulling device and used for providing wire pulling power for the wire pulling device.
Optionally, the method further comprises: and the wire feeding disc is used for conveying the first lead wire into the spool from the other end of the spool when the threading equipment works.
Optionally, the second lead includes: the steel wire and the parcel layer, the parcel layer parcel the steel wire.
Optionally, a spring connector is mounted at the other end of the second lead.
Optionally, a speed reduction transmission device is connected between the wire pulling device and the motor, and the speed reduction transmission device comprises a speed reducer and a speed reducer output shaft.
Optionally, the wire pulling device includes: the unidirectional clutch bearing is connected with the output shaft of the speed reducer and transmits unidirectional power to the wire drawing disc.
Optionally, the method further comprises: the bracket comprises a base, a baffle frame and a moving mechanism; the wire drawing device and the motor are arranged on the base, the air suction device is arranged above the wire drawing device and the motor, and the moving mechanism is arranged below or on the side face of the base.
Optionally, the method further comprises: a guide, the guide comprising: the first supporting rod is fixed on the base; the first pulley is fixed at the top end of the first supporting rod; the second supporting rod is positioned between the first supporting rod and the wire pulling device and is fixed on the base; and the second pulley is fixed at the top of the second supporting rod.
Optionally, the getter device includes: the air suction device comprises an air suction pipe and an air suction host connected with the air suction pipe; the suction pipe includes: an air suction hose, one end of which is connected to the air suction host; the wire box hose is partially arranged in the other end of the air suction hose and is used for being connected to a wire pipe port; the framework oil seal is arranged between the other end of the air suction hose and the wire box hose, so that the air suction hose and the wire box hose are in sealing connection.
In order to solve the above problems, the technical solution of the present invention further provides a threading method of the threading device, including: providing a first lead and a second lead, wherein the second lead is wound on a wire pulling device of the threading equipment, and the toughness of the second lead is larger than that of the first lead; connecting an aspirator to a first port of the conduit; opening an air suction device to suck air into the wire tube, and simultaneously releasing a first lead at a second port of the wire tube, and sucking the first lead to the first port of the wire tube through the air suction device; binding the movable end of the second lead wound on the wire pulling device to the first lead at the first port of the spool; pulling the first lead at the second port, threading the second lead from the conduit at the first port to the second port; separating the first lead and the second lead at the second port and binding the wire to the second lead at the second port; and starting the motor, pulling the second lead back through the pulling wire disc, and simultaneously penetrating the electric wire from the second port to the first port.
Optionally, the method further comprises: before the second lead is pulled back, the pull angle between the second lead outside the spool and the first end of the spool is adjusted.
The air suction device of the threading equipment can realize threading of the first lead through suction, threading of the second lead through the first lead guide and pulling force provided by the wire pulling device, and the threading process of the second lead guide wire.
Further, one end of the second lead is provided with a spring connector, so that the over-bending capacity of the second lead can be improved, certain elastic potential energy can be accumulated when the second lead is over-bent and blocked, and the elastic potential energy can smoothly pass through the barrier when released.
Further, the threading device is provided with a guiding device, comprising a supporting rod and a pulley, wherein the angle of the pulling wire is adjusted through the supporting rod, and the directional control is provided through the pulley. The bracing piece can play good fixed support effect, and the state of acting as go-between is stabilized, ensures the efficiency of whole in-process power of acting as go-between to improve holistic threading efficiency.
Drawings
FIG. 1 is a schematic view of a threading device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an air suction pipe of a threading device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a wire feeding disc of a threading device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a support bar according to an embodiment of the present invention.
Detailed Description
The following describes in detail the specific embodiments of the threading device and the threading method thereof provided by the invention with reference to the accompanying drawings.
The threading device of the embodiment of the invention comprises: the air suction device is connected to one end of the spool and is used for carrying out air suction operation in the spool to provide wire feeding power; the wire pulling device is used for performing wire pulling operation; and the motor is connected with the wire pulling device and used for providing wire pulling power for the wire pulling device.
Referring to fig. 1, a schematic structure of a threading device according to an embodiment of the invention is shown.
In this embodiment, the air suction device of the threading device comprises an air suction main machine 110 for sucking air. The suction main machine 101 is provided with an air inlet 111, and can be connected to a port of a spool to be wired through the air inlet 111, so that air is sucked into the spool, and negative pressure is formed in the spool.
To avoid air leakage and maintain the pressure difference in the conduit, it is necessary to maintain a sealed connection between the suction main unit 110 and the conduit connection end. In other embodiments of the invention, the suction device may further comprise a suction pipe for forming a sealed connection between the suction main 101 and the conduit. Referring to fig. 2, a schematic cross-sectional structure of an air intake pipe 200 according to an embodiment of the invention is shown. The suction pipe 200 includes: a suction hose 201 having one end connected to the suction main unit 110; a wire box hose 202, the wire box hose 202 being partially disposed within the other end of the suction hose 201 for connection to a port of a spool; the framework oil seal 203 is arranged between the other end of the air suction hose and the wire box hose, and is used for realizing the sealing connection between the air suction hose and the wire box hose. Specifically, the threading device can be adjusted in position, and the suction hose 201 of the suction pipe 200 is inserted into the air inlet of the suction main unit 110, and the box hose 202 is inserted into the spool port. In one embodiment of the invention, a wire box is connected to one end of the spool and the wire box hose 202 is used to insert the wire box.
The threading equipment further comprises a wire pulling device used for carrying out wire pulling operation. Specifically, in this embodiment, the wire drawing device includes a wire drawing disc 121, and a one-way clutch bearing 122 mounted inside the wire drawing disc 121. The one-way clutch bearing 122 is used to transmit one-way driving force to the wire drawing disc. The one-way bearing has a ratchet mechanism, which enables the pull wire disc 121 to have an operating state and a slipping state.
The threading device further comprises a motor 131 for providing a thread pulling power to the thread pulling means. In order to provide the proper rotation speed and pulling force for the wire pulling device, in this embodiment, a reduction gear is connected between the motor 131 and the wire pulling device, and the reduction gear includes a speed reducer 141 and a speed reducer output shaft 142. The speed reducer output shaft 142 is connected to the one-way clutch bearing 122, and outputs a suitable rotational speed and a suitable tensile force to the one-way clutch bearing 122. The operation state of the one-way clutch bearing 122 can be switched by the forward rotation and the reverse rotation of the motor 131, and the one-way power is supplied to the wire drawing disc 121 through the reduction gear and the one-way clutch bearing 122.
The threading device may further include a second wire as a guide wire for threading, one end of which is used for connection with the electric wire, and the other end of which is wound around the drawing drum 121, and the second wire is drawn through the drawing drum 121 when the electric wire is threaded. The toughness of the second lead is greater than that of the first lead. In one embodiment, the second lead includes a steel wire and a wrapping layer wrapping the steel wire. The wrapping layer is a wear resistant material, such as a nylon material. In a specific embodiment, the diameter of the steel wire is 2.5mm, so that the second lead has a certain diameter and toughness, and the second lead with a proper diameter can be selected according to the length and diameter of the spool required to be threaded. In order to further enhance the ability of the second lead to bend over in the conduit, in other embodiments of the invention, a spring connector may be provided at one end of the second lead for connection to the wire, and when the second lead is connected to the wire, the wire skin at the end of the wire may be peeled off and sleeved into the hole of the spring connector.
The spring connector can improve the over-bending capability, certain elastic potential energy can be accumulated when the over-bending is blocked, and the elastic potential energy can smoothly pass through the obstacle when released. To further increase the overbending capability of the second lead, the middle section of the second lead may also be provided with a spring connection.
To facilitate moving the threading device in the field, the threading device further comprises a carriage comprising a base 151, a stop plate rack 152 and a moving mechanism 153. The base 151 is provided with a shelf, a hollow and the like, and the wire drawing disc 121 is partially positioned in the hollow structure and fixed on the base 151; the speed reduction transmission device is also arranged on the base 151, and the motor 131 is positioned above the speed reduction transmission device; and the suction device 110 is arranged above the wire drawing device and the motor 131 and is fixed on the baffle frame 152. In order to make the structure compact, a sheet metal structure may be disposed above the motor 131 for placing the getter device 110. The moving mechanism is arranged below or on the side face of the base and comprises wheels, so that the moving mechanism is convenient to move. The support is of a tiger car structure and is convenient to move on site.
In order to improve the wire pulling efficiency of the wire pulling device and avoid damaging the wire box due to the influence of pulling force, the angle between the second lead and the wire tube port needs to be adjusted when the wire is pulled. In this embodiment, the threading device further comprises a guide means comprising: a first support bar 161 fixed to the base 151; a first pulley 162 fixed to the top end of the first support bar 161; a second supporting rod 163, which is positioned between the first supporting rod 161 and the wire drawing device and is fixed on the base 151; a second pulley 164 fixed to the top of the second support bar 163. In this embodiment, the first support rod 161 and the second support rod 163 are perpendicular to the base 151, and in other embodiments of the present invention, other positional relationships between the first support rod 161, the second support rod 163 and the base 151 may be also used. In other embodiments of the present invention, the first support rod 161 may also be formed by connecting a support rod a and a support rod B (refer to fig. 4), so as to be convenient for disassembly. In operation, the first support rod 161 can play a good role in fixing and supporting, stabilize the stay wire state, and ensure the efficiency of stay wire power in the whole stay wire process, thereby improving the overall threading efficiency.
The second wire on the wire reel 121 is adjusted in the angle of the wire by the first support bar 161 and directional control is provided by the first pulley 162 and the second pulley 164. Specifically, the angle between the top of the first support rod 161 and the port of the spool may be adjusted by adjusting the distance between the threading device and the spool, thereby adjusting the angle of the second lead. In other embodiments of the present invention, the bottom of the first support rod 161 may also rotate around the connection point with the base 151, and the pull angle of the second lead may be adjusted by rotating the first support rod 161.
The threading device may further comprise a wire feeding disc for feeding the first wire from the other end of the wire tube into the wire tube when the threading device is in operation.
Fig. 3 is a schematic structural diagram of a wire feeding disc according to an embodiment of the present invention.
The wire feeding tray includes: wire coil 301, limit rocker 302, ball 303. The wire coil 301 can rotate bidirectionally and is used for winding a first lead, and the rotation and stopping of the wire coil 301 are limited by the limiting rocker arm 302. The first lead wire can be a lead wire with small weight such as Ni Long Xixian and easy suction by a suction device. The wire feeding disc is light, quick and smart in structure and easy to operate by a single person.
The embodiment of the invention also provides a threading method of the threading equipment.
When the threading operation is required, first, a first thread and a second thread are provided, the second thread is wound on the thread pulling device of the threading apparatus, and in one embodiment, the second thread is wound on the thread pulling disc 121 (refer to fig. 1).
The threading device is moved to the first port of the spool, the suction device 110 of the threading device is connected to the first port of the spool, and the suction device 110 and the first port of the spool can be connected through the suction pipe 200 (refer to fig. 2).
A wire feeding disc wound with a first lead wire is arranged at the second port of the wire tube, and one end of the first lead wire wound on the wire feeding disc is arranged in the second port of the wire tube.
The suction device 110 is activated to generate suction inside the wire tube while operating the wire feeding disc, and the first lead is released at the second port of the wire tube, and sucked to the first port of the wire tube through the suction device 110. When the first lead reaches the first port of the spool, the getter 110 is closed and the getter 110 is disconnected from the spool.
Then, the motor 131 is started to be reversed, so that the one-way clutch bearing 122 in the drawing wire disc 121 is in a slipping state, and at this time, the movable end of the second lead wire wound on the drawing wire disc 121 can be pulled out by a certain distance by hand.
Binding one end of the second lead with the first lead at the first port, pulling the first lead out at the second port of the spool, thereby also pulling the second lead out at the second port of the spool; then, the first lead is disconnected from the second lead.
The multi-strand wire to be threaded is bound with the tail end of the second lead at the second port, the angle between the second lead and the wire tube at the second port of the wire tube is adjusted through the guide device, the motor 131 is started to rotate positively, proper rotating speed and pulling force are provided for the wire pulling disc 121 through the speed reducer 141 and the speed reducer output shaft 142, under the action of the pulling force, the wire follows the second lead, passes through the wire tube at a certain speed, reaches the first port, and then is separated from the wire, so that the threading operation is completed.
In the threading process, the angle of acting as go-between second lead wire and the first port of spool that is located outside the spool can also be adjusted to improve and act as go-between efficiency, avoid causing the damage to spool first port department line box.
The suction device of the threading equipment can realize threading of the first lead through suction, threading of the second lead is realized through the first lead guide, and pulling force is provided through the wire pulling device, so that the threading process of the second lead guide wire is realized.
And one end of the second lead is provided with a spring connector, so that the over-bending capability of the second lead can be improved, certain elastic potential energy can be accumulated when the second lead is over-bent and blocked, and the elastic potential energy can smoothly pass through the barrier when released.
And, this threading equipment has guider, includes bracing piece and pulley, through bracing piece adjustment stay angle, provides directional control through the pulley. The bracing piece can play good fixed support effect, and the state of acting as go-between is stabilized, ensures the efficiency of whole in-process power of acting as go-between to improve holistic threading efficiency.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A threading method of a threading device, the threading device comprising: the air suction device is connected to one end of the spool and is used for carrying out air suction operation in the spool and providing wire feeding power for the first lead; the wire pulling device is used for winding a second lead and carrying out wire pulling operation, and the toughness of the second lead is larger than that of the first lead; the motor is connected with the wire pulling device and used for providing wire pulling power for the wire pulling device; characterized in that the method comprises:
winding the second lead on a wire pulling device of the threading equipment, wherein the toughness of the second lead is larger than that of the first lead;
connecting the aspirator to a first port of the conduit;
opening the air suction device to suck air from the spool, releasing the first lead at the second port of the spool, and sucking the first lead to the first port of the spool through the air suction device;
binding the second lead movable end wound on the wire drawing device to the first lead at the first port of the spool;
pulling the first lead at a second port, threading the second lead from the conduit first port to a second port;
separating the first and second leads at a second port and binding an electrical wire to the second lead at a second port;
and starting the motor, pulling the second lead back through the pulling wire disc, and simultaneously penetrating the electric wire from the second port to the first port.
2. The threading method of claim 1, further comprising: before pulling back the second lead, a pull angle between the second lead outside the spool and the first end of the spool is adjusted.
3. The threading method of claim 1, wherein the threading device further comprises: and the wire feeding disc is used for conveying the first wire from the other end of the wire tube to the interior of the wire tube when the threading equipment works.
4. The threading method of claim 1, wherein the second lead comprises: the steel wire and the parcel layer, the parcel layer parcel the steel wire.
5. The threading method according to claim 4, wherein the other end of the second wire is provided with a spring connector.
6. The threading method according to claim 1, wherein a reduction transmission is connected between the wire pulling device and the motor, and the reduction transmission comprises a speed reducer and a speed reducer output shaft.
7. The threading method according to claim 6, wherein the thread drawing means comprises: the unidirectional clutch bearing is connected with the output shaft of the speed reducer and transmits unidirectional power to the wire drawing disc.
8. The threading method of claim 1, wherein the threading device further comprises: the bracket comprises a base, a baffle frame and a moving mechanism; the wire drawing device and the motor are arranged on the base, the air suction device is arranged above the wire drawing device and the motor, and the moving mechanism is arranged below or on the side face of the base.
9. The threading method of claim 8 wherein the threading device further comprises: a guide, the guide comprising: the first supporting rod is fixed on the base; the first pulley is fixed at the top end of the first supporting rod; the second supporting rod is positioned between the first supporting rod and the wire pulling device and is fixed on the base; and the second pulley is fixed at the top of the second supporting rod.
10. Threading method according to claim 1, characterized in that the aspiration device comprises: the air suction device comprises an air suction pipe and an air suction host connected with the air suction pipe; the suction pipe includes: an air suction hose, one end of which is connected to the air suction host; the wire box hose is partially arranged in the other end of the air suction hose and is used for being connected to a wire pipe port; the framework oil seal is arranged between the other end of the air suction hose and the wire box hose, so that the air suction hose and the wire box hose are in sealing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854237.XA CN107492841B (en) | 2017-09-20 | 2017-09-20 | Threading equipment and threading method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854237.XA CN107492841B (en) | 2017-09-20 | 2017-09-20 | Threading equipment and threading method thereof |
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| CN107492841A CN107492841A (en) | 2017-12-19 |
| CN107492841B true CN107492841B (en) | 2023-07-21 |
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| CN201710854237.XA Active CN107492841B (en) | 2017-09-20 | 2017-09-20 | Threading equipment and threading method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387990B (en) * | 2018-03-30 | 2020-06-26 | 深圳市创鑫激光股份有限公司 | Air-pushing type automatic threading method and equipment for pipeline |
| CN109324379B (en) * | 2018-11-20 | 2020-07-14 | 嘉兴市瑞鑫塑业有限公司 | Self-cleaning glass fiber reinforced plastic threading device for sewer optical cable |
| CN110265928A (en) * | 2019-08-01 | 2019-09-20 | 南平市建阳区潭星机械制造有限公司 | Multi-functional threader |
| CN117200088B (en) * | 2023-11-07 | 2024-02-27 | 万桥信息技术有限公司 | Threading construction device of pneumatic type cleaning line pipe |
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| CN101257196A (en) * | 2008-03-04 | 2008-09-03 | 宁波建工集团有限公司 | Electric gas tube lead wire penetrating method |
| JP2010124630A (en) * | 2008-11-20 | 2010-06-03 | Ichimatsu Denki Koji Kk | Wind receiving member for wire insertion and bag therefor, and wire insertion method |
| KR100934943B1 (en) * | 2009-10-27 | 2010-01-06 | 이텍산업 주식회사 | Traction suction-type conduit dredging construction method |
| CN202384702U (en) * | 2011-12-19 | 2012-08-15 | 河南科技大学 | Quick breakover device for leads |
| CN103825227A (en) * | 2014-03-06 | 2014-05-28 | 谢位强 | Improved full-automatic threading apparatus |
| CN104934901A (en) * | 2015-06-29 | 2015-09-23 | 上海建工五建集团有限公司 | Hidden pipe lead wire threading apparatus and construction method thereof |
| CN105576562A (en) * | 2016-01-07 | 2016-05-11 | 上海中应装饰设计有限公司 | Automatic portable mute threading machine |
| CN205355696U (en) * | 2016-02-17 | 2016-06-29 | 张嘉强 | Novel electrician automatic threading machine |
| CN205583547U (en) * | 2016-04-19 | 2016-09-14 | 山西五建集团有限公司 | A tub threading device is swept to air negative pressure |
| CN106329408A (en) * | 2016-08-31 | 2017-01-11 | 中国冶集团有限公司 | Electrical wire pipe threading and wire-leading apparatus and threading and wire-leading method thereof |
| CN207150048U (en) * | 2017-09-20 | 2018-03-27 | 深圳广田机器人有限公司 | threading device |
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