CN104638573A - Portable electric threader - Google Patents
Portable electric threader Download PDFInfo
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- CN104638573A CN104638573A CN201510041787.0A CN201510041787A CN104638573A CN 104638573 A CN104638573 A CN 104638573A CN 201510041787 A CN201510041787 A CN 201510041787A CN 104638573 A CN104638573 A CN 104638573A
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Abstract
The invention discloses a portable electric threader, and relates to the technical field of building engineering industry machine tools. An electric threading key technology is adopted; the lower side of the front segment of a shell and the upper end of a handle, the lower side of the back end segment of the shell and the upper side of an air pump, the lower side of the air pump and a motor, the back side of the air pump and the upper end of a back base, the lower end of the back base and the motor, as well as the inner side of the back base, a motor switch and an air pump switch are fixedly connected; one side of the air pump is in rotary movable connection with a wheel disk through a wheel disk shaft; the front end of the lower side of the air pump is in threaded connection with a filter; the back end of a bullet is in threaded connection with the front end of a joint; the back end of the joint is connected with the front end of a hose; the back end of the hose is spliced with an aerating hole in the air pump, and is fixedly buckled with the aerating hole; the motor, the motor switch and a plug are electrically connected through leads. The portable electric threader is used for threading pipelines or clearing pipeline impurities in building installation engineering. The portable electric threader has the advantages of novel and unique concept, scientific and reasonable design, simple and skillful structure, convenience in use and operation, stable and reliable effect, easiness in manufacturing, low cost, portability, and contribution to popularization.
Description
Technical field
Portable electric threading apparatus of the present invention, relates to architectural engineering industry facility and applied technical field; In particular to Penetrating wire for pipe or the removing pipeline impurity technical field of building installation engineering.
Background technology
In modern architecture installing engineering, inevitably to implement threading to pipeline or remove ducted impurity.Be exactly specifically, in the industries such as building electric engineering, industrial installing engineering, intelligent building engineering, municipal works, chemical engineering, such as: metal tube, plastic tube and multiple tube laying wires, metal tube, plastic tube and multiple tube are cleared up.Existing known technology and present situation are traditional method, and traditional method does not have special implement and instrument, can only take manual operations, normally pre-plugged pipeline, then penetrate in pipeline by wire, the path of pipeline is longer sometimes, also need by steel wire hook wire so that by wire traction pull-out.The shortcoming of this existing known technology and present situation threading method is: because the steel wire of threading is harder, if the path that pipe bending angle is less than 90 degree or pipeline is greater than under 30 meters or pipeline have more than three curved situations, then easily cause steel wire to move ahead to be obstructed, affect normal threading operation, cause steel wire once to use can not reclaim, pierce tap line is easy to occur to scratch people industrial accident, and labour intensity is large, inefficiency etc.
Based on inventor professional knowledge be engaged in industry work rich experiences and to the excelsior unremitting pursue of cause, conscientiously and fully investigating, understanding, analyzing, summing up, studying on existing known technology and present situation basis, key technology that spy takes " electronic threading ", has succeeded in developing " portable electric threading apparatus " new product.Overcome and solve the deficiency of existing known technology and present situation existence, defect and drawback, effectively improve the technical merit of the industry.
Summary of the invention
Key technology that the present invention takes " electronic threading ", provide " portable electric threading apparatus " new product; On the downside of its shell leading portion with on the downside of handle upper end, outer casing back section with on the upside of air pump, on the downside of air pump with on rear side of motor, air pump with back seat upper end, back seat lower end and survey with motor switch in motor, back seat and be all fixedly connected with air pump switch, air pump side and wheel disc rotate to live by wheel disc axle and are connected, on the downside of air pump, front end is threaded with filter, bullet rear end is connected with joint nose threads, joint rear end and flexible pipe front end, flexible pipe rear end and the inflation inlet plug-in mounting that is arranged on air pump and buckle is fixedly connected with, and motor, motor switch, plug are electrically connected by wire.
The object reached by the present invention is: 1., take " electronic threading " key technology, provide " portable electric threading apparatus " new product.2., the present invention is when applying described portable electric threading apparatus and implementing threading, the perforation that described bullet front end is arranged is fixedly connected with by the wire installed and the pulley that bullet centre is arranged is connected with needing the work of the pipe slides of threading, the present invention does not use steel wire for the threading of pipeline, be not subject to the impact of pipeline angle of bend size, be not subject to the impact of pipeline path length, not by the impact that pipe bending is how many, its threading is very fast smooth and easy.3., the present invention is when applying described portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that described bullet front end is arranged is fixedly connected with hairbrush and the pulley arranged in the middle of bullet is connected with pipe slides work, to the removing of pipeline impurity thoroughly and fast smooth and easy.4., the present invention can implement threading or removal of contamination, its applied range to metallic conduit or the various pipeline such as plastic conduit or compound pipeline complex pipeline.5., the present invention when not using, its flexible pipe is connected in the mode be wound around with wheel disc and conveniently receives and keeps and carry.6., the present invention overcomes and solves the deficiency, defect and the drawback that exist in existing known technology and present situation.7., unique novel, the design science of design of the present invention rationally, simple and ingenious structure, use is efficient and convenient, effect stability is reliable, overall appearance is generous, convenient harvesting with carry, be beneficial to wide popularization and application.8., the present invention is easy to make and cost is low, can obtain good overall economic efficiency and social benefit, effectively improved the technical merit of the industry by the present invention by the present invention.
For achieving the above object, technical scheme provided by the invention is:
A kind of portable electric threading apparatus, is made up of shell, motor, air pump, filter, flexible pipe, joint, bullet, wheel disc, motor switch, air pump switch, plug, inflation inlet, handle, back seat;
Described portable electric threading apparatus, with handle upper end on the downside of its shell leading portion, on the downside of outer casing back section with air pump on the upside of, on the downside of air pump and motor, with back seat upper end on rear side of air pump, back seat lower end and motor, survey with motor switch in back seat and be all fixedly connected with air pump switch, its air pump side and wheel disc rotate to live by wheel disc axle and are connected, on the downside of its air pump, front end is threaded with filter, its bullet rear end is connected with joint nose threads, its joint rear end and flexible pipe front end, flexible pipe rear end with the inflation inlet plug-in mounting be arranged on air pump and buckle be fixedly connected with, its motor, motor switch, plug is electrically connected by wire.
Described portable electric threading apparatus, described shell is tubular structure, described motor is low-speed gear motor, described air pump is inflator pump, described filter is the filter of inflator pump, described flexible pipe is tubular structure, described joint is that front end is provided with screw thread, rear end is provided with the tubular structure of card neck, described bullet is that front end is provided with perforation, centre is provided with pulley, rear end arranges threaded bullet-shaped structure, described wheel disc is circular wheel disk-like structure, described motor switch is the motor switch of low-speed gear motor, described air pump switch is the air pump switch of inflator pump, described plug is attaching plug, described inflation inlet is tubular structure, described handle is bar shape structure, described back seat is water tumbler handle-shaped structure.
Described portable electric threading apparatus, when applying described portable electric threading apparatus and implementing threading, the perforation that described bullet front end is arranged be fixedly connected with by the wire installed and the pulley arranged in the middle of bullet with need that the pipe slides of threading is alive to be connected.
Described portable electric threading apparatus, when applying described portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that described bullet front end is arranged is fixedly connected with hairbrush and the pulley arranged in the middle of bullet is connected with pipe slides is alive.
Described portable electric threading apparatus, described flexible pipe is connected in the mode be wound around with wheel disc when not using.
Of the present inventionly to install and use and operation principle and the course of work are: as shown in Figure of description, with threading work with remove the work of pipeline impurity and state as follows respectively:
Threading:
, flexible pipe propulsion mode: when applying portable electric threading apparatus and implementing threading, the perforation that bullet front end is arranged be fixedly connected with by the wire installed and the pulley arranged in the middle of bullet with need that the pipe slides of threading is alive to be connected.Under motor effect, air pump is inflated flexible pipe, pulley on inflated hose promotion bullet moves ahead along the tube wall rolling of threading pipeline, namely bullet drives wire to move ahead in threading pipeline, until by the other end of threading pipeline time, the perforation that wire is arranged from bullet front end is unloaded, wire just stays in the duct, and regain the bullet on flexible pipe and flexible pipe, threading work completes.
, flexible pipe draws in mode: namely under motor effect, air pump is inflated flexible pipe, pulley on inflated hose promotion bullet moves ahead along the tube wall rolling of threading pipeline, until when walking to by the other end of threading pipeline, wire is fixed in the perforation of bullet front end setting, regain the bullet on flexible pipe and flexible pipe, unloaded by wire on bullet, wire just stays in the duct, and threading work completes.
Remove pipeline impurity:
, flexible pipe propulsion mode: when applying portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that bullet front end is arranged is fixedly connected with hairbrush and the middle pulley arranged of bullet is connected with pipe slides is alive.Under motor effect, air pump is inflated flexible pipe, inflated hose promotes the pulley on bullet and rolls along the tube wall of threading pipeline and move ahead, and namely bullet band electric brush moves ahead in threading pipeline, until by the other end of threading pipeline time, just ducted impurity is removed clean, remove the work of pipeline impurity and complete.
, flexible pipe draws in mode: namely under motor effect, air pump is inflated flexible pipe, pulley on inflated hose promotion bullet moves ahead along the tube wall rolling of threading pipeline, until when walking to by the other end of threading pipeline, hairbrush is fixed in the perforation of bullet front end setting, regain in the bullet process on flexible pipe and flexible pipe, just removed by ducted impurity clean, the work of removing pipeline impurity completes.
After threading work completes or after the work of removing pipeline impurity completes, the take-up pulley disc spins on low-speed gear driven by motor motor drive shaft, plays the effect of regaining flexible pipe, convenient harvesting with carry, use in order to next time.
Owing to have employed technical scheme provided by the invention, owing to this invention takes " electronic threading " key technology, to install and use and described in operation principle due to of the present invention, due on the downside of its shell leading portion of the present invention with handle upper end, on the downside of outer casing back section with air pump on the upside of, on the downside of air pump and motor, with back seat upper end on rear side of air pump, back seat lower end and motor, survey with motor switch in back seat and be all fixedly connected with air pump switch, air pump side and wheel disc rotate to live by wheel disc axle and are connected, on the downside of air pump, front end is threaded with filter, bullet rear end is connected with joint nose threads, joint rear end and flexible pipe front end, flexible pipe rear end with the inflation inlet plug-in mounting be arranged on air pump and buckle be fixedly connected with, motor, motor switch, plug is electrically connected by wire.Make the present invention compared with existing known technology and present situation, the beneficial effect of acquisition is:
1, this invention takes " electronic threading " key technology, thus provide " portable electric threading apparatus " new product.
2, the present invention is when applying described portable electric threading apparatus and implementing threading, the perforation that described bullet front end is arranged is fixedly connected with by the wire installed and the pulley that bullet centre is arranged is connected with needing the work of the pipe slides of threading, the present invention does not use steel wire for the threading of pipeline, be not subject to the impact of pipeline angle of bend size, be not subject to the impact of pipeline path length, not by the impact that pipe bending is how many, its threading is very fast smooth and easy.
3, the present invention is when applying described portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that described bullet front end is arranged is fixedly connected with hairbrush and the pulley arranged in the middle of bullet is connected with pipe slides work, to the removing of pipeline impurity thoroughly and fast smooth and easy.
4, the present invention can implement threading or removal of contamination, its applied range to metallic conduit or the various pipeline such as plastic conduit or compound pipeline complex pipeline.
5, the present invention is not when using, and its flexible pipe is connected in the mode be wound around with wheel disc and conveniently receives and keeps and carry.
6, modern design of the present invention, structure are simple, easy to operate, have: volume is little, lightweight, noise is low, the life-span is long, operate steadily, output torque is large, stall ability is strong feature.
7, the present invention adopts the hand-held operating type of electric automatization, instead of traditional manual work mode, has not only increased substantially the operating efficiency of threading, and has reduced the labour intensity of operator, has saving of labor, timesaving evident characteristic.
8, the present invention is relative to prior art, and it does not need to use steel wire as threading line, is utilize a kind of pneumatic hose as threading line, instead of the backward situation of steel wire as threading line, stopped the input of consumptive material, saved the consumables cost of steel wire threading line; Meanwhile, stopped the generation of steel wire scratch operating personnel industrial accident, the self-prevention of work progress operating personnel is higher.
9, version of the present invention is reasonable, hand-held threading apparatus case surface, metal component surface all adhere to a layer insulating, power line adopts insulating sleeve type cable, motor start stop switch, air pump start stop switch all adopt moistureproof preventing splash switch, stopped electronic hand device to cause casualties because of electric leakage the generation of accident, the protection against electric shock of work progress operating personnel is higher.
10, pneumatic joint of the present invention is a kind of connector realizing pipeline connection, is copper material.The rear end of pneumatic joint is staged, and be connected with pneumatic hose, compression resistance is stronger; The front end of pneumatic joint is external screw thread, and with copper sub warhead screwed connection, ensure that gas is not revealed, aerodynamic force is stablized, transmitted reliably.
11, copper sub warhead of the present invention, sub warhead lower end is provided with two copper wheels, carry the weight of copper sub warhead, under the effect of aerodynamic force, two copper wheels rotate along tube wall, drive copper sub warhead jointly to move ahead, the design of this uniqueness, be in order to reduce as far as possible copper sub warhead in motion process with the frictional force of inside pipe wall, improve aerodynamic force usefulness.Copper sub warhead front end is provided with diplopore hole, is convenient to wire and is reliably connected and dismounting with copper sub warhead, and copper sub warhead can be matched according to the wire diameter of wire.
12, filter of the present invention is connected in series filter with air inlet one end of inflator pump, stops that dust, particle foreign matter etc. enter in pump.After filter uses a period of time, the impurity in air can be adhered to, can filter rinsed in time, ensure the normal work of inflator pump.
13, pneumatic hose of the present invention adopts the manufacture of high resilience polyurethane stock material, there is the feature of abrasivity, limit rate elongation, burst pressure, tensile strength, the diameter of pneumatic hose can be matched according to the wire diameter of wire, meet the demand of any pneumatic stringing, tube surfaces is smooth pliable and tough, and coefficient of friction is little, pneumatic hose can be made to adapt to the change of pipeline bending radius, under constant working pressure conditions, pass through pipeline, durable in use, useful life is lasting.
14, to have security performance good in the present invention, and overall volume is little, is easy to carry about with one, the feature of convenient operation.Only need provide working power (AC220V, 50HZ), low cost of manufacture, be convenient to the promotion and application in industries such as building electric engineering, industrial installing engineering, intelligent building engineering, municipal works, chemical engineerings.
15, the present invention overcomes and solves the deficiency, defect and the drawback that exist in existing known technology and present situation.
16, unique novel, the design science of design of the present invention rationally, simple and ingenious structure, use is efficient and convenient, effect stability is reliable, overall appearance is generous, convenient harvesting with carry, be beneficial to wide popularization and application.
17, the present invention be easy to make and cost is low, good overall economic efficiency and social benefit can be obtained by the present invention, effectively be improved the technical merit of the industry by the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the specific embodiment of the invention.
Fig. 2 is that in the specific embodiment of the invention, flexible pipe, joint, bullet are advanced the enlarged diagram of situation in the duct.By this figure can to flexible pipe, joint, bullet embody clearer.
Label in figure: 1, shell, 2, motor, 3, air pump, 4, filter, 5, flexible pipe, 6, joint, 7, bullet, 8, wheel disc, 9, motor switch, 10, air pump switch, 11, plug, 12, inflation inlet, 13, handle, 14, back seat.
Embodiment
Embodiment one
Below in conjunction with Figure of description, the present invention is described in detail, as Figure of description Fig. 1, Fig. 2 shown in:
A kind of portable electric threading apparatus, is made up of shell 1, motor 2, air pump 3, filter 4, flexible pipe 5, joint 6, bullet 7, wheel disc 8, motor switch 9, air pump switch 10, plug 11, inflation inlet 12, handle 13, back seat 14;
Described portable electric threading apparatus, with handle 13 upper end on the downside of its shell 1 leading portion, on the downside of shell 1 rear end section with air pump 3 on the upside of, with motor 2 on the downside of air pump 3, with back seat 14 upper end on rear side of air pump 3, back seat 14 lower end and motor 2, survey with motor switch 9 in back seat 14 and be all fixedly connected with air pump switch 10, its air pump 3 side and wheel disc 8 rotate to live by wheel disc axle and are connected, on the downside of its air pump 3, front end is threaded with filter 4, its bullet 7 rear end is connected with joint 6 nose threads, its joint 6 rear end and flexible pipe 5 front end, flexible pipe 5 rear end with inflation inlet 12 plug-in mounting be arranged on air pump 3 and buckle be fixedly connected with, its motor 2, motor switch 9, plug 11 is electrically connected by wire.
Described portable electric threading apparatus, described shell 1 is tubular structure, described motor 2 is low-speed gear motor, described air pump 3 is inflator pump, described filter 4 is the filter of inflator pump, described flexible pipe 5 is tubular structure, described joint 6 is provided with screw thread for front end, rear end is provided with the tubular structure of card neck, described bullet 7 is provided with perforation for front end, centre is provided with pulley, rear end arranges threaded bullet-shaped structure, described wheel disc 8 is circular wheel disk-like structure, described motor switch 9 is the motor switch of low-speed gear motor, described air pump switch 10 is the air pump switch of inflator pump, described plug 11 is attaching plug, described inflation inlet 12 is tubular structure, described handle 13 is bar shape structure, described back seat 14 is water tumbler handle-shaped structure.
Described portable electric threading apparatus, when applying described portable electric threading apparatus and implementing threading, the perforation that described bullet 7 front end is arranged be fixedly connected with by the wire installed and the pulley arranged in the middle of bullet 7 with need that the pipe slides of threading is alive to be connected.
Described portable electric threading apparatus, when applying described portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that described bullet 7 front end is arranged is fixedly connected with hairbrush and the pulley arranged in the middle of bullet 7 is connected with pipe slides is alive.
Described portable electric threading apparatus, described flexible pipe 5 is connected in the mode be wound around with wheel disc 8 when not using.
In above-mentioned specific implementation process: when applying portable electric threading apparatus and implementing threading, the perforation arranged described bullet 7 front end is fixedly connected with by the wire installed and the pulley arranged in the middle of bullet 7 is implemented with needing the pipe slides of threading alive connection; When applying portable electric threading apparatus and implementing to remove pipeline impurity, the perforation arranged described bullet 7 front end is fixedly connected with hairbrush and the pulley arranged in the middle of bullet 7 was implemented with pipe slides alive connection; All obtain the good result of expection.
Embodiment two
The practice processes of embodiment one is implemented, just: when applying portable electric threading apparatus and implementing threading, the perforation arranged described bullet 7 front end is fixedly connected with by the wire installed and the pulley arranged in the middle of bullet 7 is implemented with needing the pipe slides of threading alive connection; Obtain the good result of expection equally.
Embodiment three
The practice processes of embodiment one is implemented, just: when applying portable electric threading apparatus and implementing to remove pipeline impurity, the perforation arranged described bullet 7 front end is fixedly connected with hairbrush and the pulley arranged in the middle of bullet 7 was implemented with pipe slides alive connection; Obtain the good result of expection equally.
These are only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention; The those of ordinary skill of all industry all can smooth and easyly be implemented, but not departing from technical solution of the present invention and make the equivalent variations of differentiation, is Equivalent embodiments of the present invention, all still belongs to technical scheme of the present invention.
Claims (5)
1. a portable electric threading apparatus, is characterized in that: be made up of shell (1), motor (2), air pump (3), filter (4), flexible pipe (5), joint (6), bullet (7), wheel disc (8), motor switch (9), air pump switch (10), plug (11), inflation inlet (12), handle (13), back seat (14);
Described portable electric threading apparatus, with handle (13) upper end on the downside of its shell (1) leading portion, with air pump (3) upside on the downside of shell (1) rear end section, air pump (3) downside and motor (2), air pump (3) rear side and back seat (14) upper end, back seat (14) lower end and motor (2), survey with motor switch (9) in back seat (14) and be all fixedly connected with air pump switch (10), its air pump (3) side and wheel disc (8) rotate to live by wheel disc axle and are connected, front end, its air pump (3) downside is threaded with filter (4), its bullet (7) rear end is connected with joint (6) nose threads, its joint (6) rear end and flexible pipe (5) front end, flexible pipe (5) rear end with inflation inlet (12) plug-in mounting be arranged on air pump (3) and buckle be fixedly connected with, its motor (2), motor switch (9), plug (11) is electrically connected by wire.
2. portable electric threading apparatus according to claim 1, it is characterized in that: described shell (1) is tubular structure, described motor (2) is low-speed gear motor, described air pump (3) is inflator pump, the filter that described filter (4) is inflator pump, described flexible pipe (5) is tubular structure, described joint (6) is provided with screw thread for front end, rear end is provided with the tubular structure of card neck, described bullet (7) is provided with perforation for front end, centre is provided with pulley, rear end arranges threaded bullet-shaped structure, described wheel disc (8) is circular wheel disk-like structure, the motor switch that described motor switch (9) is low-speed gear motor, the air pump switch that described air pump switch (10) is inflator pump, described plug (11) is attaching plug, described inflation inlet (12) is tubular structure, described handle (13) is bar shape structure, described back seat (14) is ear structure.
3. portable electric threading apparatus according to claim 1, it is characterized in that: when applying described portable electric threading apparatus and implementing threading, the perforation that described bullet (7) front end is arranged be fixedly connected with by the wire installed and the pulley arranged in the middle of bullet (7) with need that the pipe slides of threading is alive to be connected.
4. portable electric threading apparatus according to claim 1, it is characterized in that: when applying described portable electric threading apparatus and implementing to remove pipeline impurity, the perforation that described bullet (7) front end is arranged is fixedly connected with hairbrush and the pulley arranged in the middle of bullet (7) is connected with pipe slides is alive.
5. portable electric threading apparatus according to claim 1, is characterized in that: described flexible pipe (5) is connected in the mode be wound around with wheel disc (8) when not using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041787.0A CN104638573B (en) | 2015-01-28 | 2015-01-28 | Portable electric threader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041787.0A CN104638573B (en) | 2015-01-28 | 2015-01-28 | Portable electric threader |
Publications (2)
| Publication Number | Publication Date |
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| CN104638573A true CN104638573A (en) | 2015-05-20 |
| CN104638573B CN104638573B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510041787.0A Active CN104638573B (en) | 2015-01-28 | 2015-01-28 | Portable electric threader |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106848937A (en) * | 2017-02-17 | 2017-06-13 | 苏州国质信网络通讯有限公司 | A kind of underground piping passes line two-wheel releasing pulley |
| CN108988217A (en) * | 2018-08-19 | 2018-12-11 | 秦振光 | Build pre-embedded pipe Quick-threading and the instruments of inspection and method |
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| US4202531A (en) * | 1978-10-02 | 1980-05-13 | Thomas Industries of Tennessee Inc. | Pneumatic rodding of conduit using everted flexible tubing |
| CN103825227A (en) * | 2014-03-06 | 2014-05-28 | 谢位强 | Improved full-automatic threading apparatus |
| CN203632125U (en) * | 2013-12-03 | 2014-06-04 | 国家电网公司 | Power-cable laying and guiding device |
| CN204349346U (en) * | 2015-01-28 | 2015-05-20 | 北京天恒建设工程有限公司 | Portable electric threading apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3554493A (en) * | 1969-02-20 | 1971-01-12 | Bell Canada | Rodding jet |
| US4202531A (en) * | 1978-10-02 | 1980-05-13 | Thomas Industries of Tennessee Inc. | Pneumatic rodding of conduit using everted flexible tubing |
| CN203632125U (en) * | 2013-12-03 | 2014-06-04 | 国家电网公司 | Power-cable laying and guiding device |
| CN103825227A (en) * | 2014-03-06 | 2014-05-28 | 谢位强 | Improved full-automatic threading apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106848937A (en) * | 2017-02-17 | 2017-06-13 | 苏州国质信网络通讯有限公司 | A kind of underground piping passes line two-wheel releasing pulley |
| CN108988217A (en) * | 2018-08-19 | 2018-12-11 | 秦振光 | Build pre-embedded pipe Quick-threading and the instruments of inspection and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104638573B (en) | 2017-05-17 |
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