CN113200417A - Wire insulation tensioning device for power supply of underground railway - Google Patents
Wire insulation tensioning device for power supply of underground railway Download PDFInfo
- Publication number
- CN113200417A CN113200417A CN202110471453.2A CN202110471453A CN113200417A CN 113200417 A CN113200417 A CN 113200417A CN 202110471453 A CN202110471453 A CN 202110471453A CN 113200417 A CN113200417 A CN 113200417A
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- plate
- fixedly connected
- fixed
- electric wire
- collecting box
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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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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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
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
- B65H54/553—Both-ends supporting arrangements
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/06—Annular guiding surfaces; Eyes, e.g. pigtails
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention belongs to the technical field of electric wires, in particular to an electric wire insulation tensioning device for power supply of an underground railway, which aims at the problem that the existing tensioning device can only realize the function of tensioning the electric wire, does not have the functions of temporarily storing the electric wire and protecting the electric wire so as not to be in a humid environment, and the invention provides the following proposal that the device comprises a collecting box, wherein the inner wall of the bottom of the collecting box is fixedly connected with a first fixing plate, the inner wall of one side of the collecting box and the first fixing plate are rotatably connected with a same rotating rod, and one side of the first fixing plate is rotatably connected with a hand wheel. And can be with the fine collection of electric wire, can not hang in the air, avoid the risk of electrocute.
Description
Technical Field
The invention relates to the technical field of electric wires, in particular to an electric wire insulation tensioning device for power supply of an underground railway.
Background
The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.
When the wire for supplying power to the subway is installed, an insulation tensioning device is needed, when the wire is installed, severe weather such as rain, snow and the like can be met, the work can only be stopped temporarily, partial wires which are not installed cannot be taken away, and the risk of electric shock is left.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electric wire insulation tensioning device for power supply of an underground railway.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an insulating straining device of electric wire for power supply of subway, includes the collecting box, the first fixed plate of bottom inner wall fixedly connected with of collecting box, it is connected with same bull stick to rotate between one side inner wall of collecting box and the first fixed plate, one side of first fixed plate is rotated and is connected with the hand wheel, the one end of bull stick run through first fixed plate and with one side fixed connection of hand wheel, the fixed cover of outer wall of bull stick is equipped with the bobbin, the inside of bobbin is provided with the fixed subassembly that is used for fixed electric wire, one side of first fixed plate is provided with and is used for carrying out spacing subassembly to the bobbin, one side inner wall sliding connection of collecting box has the second pivot, the outer wall of second pivot is provided with the taut subassembly that is used for taut electric wire, a plurality of entrance holes have been seted up to one side of collecting box.
Preferably, fixed subassembly is including seting up at inside mounting groove and four plug wire holes of bobbin, four the plug wire hole all is linked together with the mounting groove, the bolt groove has been seted up to the bottom of bobbin, the inside in bolt groove is provided with the hexagon socket head cap screw of looks adaptation, hexagon socket head cap screw and bobbin threaded connection, the both sides inner wall sliding connection of mounting groove has same clamp plate, the clamp plate is close to hexagon socket head cap screw's bottom and is connected with hexagon socket head cap screw's top rotation, four depression bars of top fixedly connected with of clamp plate, the one end of depression bar extends to in the plug wire hole.
Preferably, spacing subassembly includes the first fixed plectane of fixed connection in bobbin one side, one side that the bobbin was kept away from to first fixed plectane is the annular and is provided with a plurality of first fixed teeth, sliding connection is run through to the inside of first fixed plate has the push rod, the push rod is close to the fixed plectane of one end fixedly connected with second of first fixed plectane, one side that the fixed plectane of second is close to first fixed plectane is the second fixed tooth of a plurality of and first fixed tooth looks block of annular fixedly connected with, the fixed plectane of second and bull stick are contactless, the fixed cover of outer wall of push rod is equipped with the lagging, the same spring of fixedly connected with between lagging and the first fixed plate, the spring housing is established on the push rod, the first arm-tie of one end fixedly connected with of first fixed plectane is kept away from to the push rod.
Preferably, spacing subassembly still includes the second fixed plate of fixed connection in first fixed plate one side, sliding connection is run through to the inside of second fixed plate has the lug, the top fixedly connected with second arm-tie of lug, two extension springs that fixedly connected with symmetry set up between second arm-tie and the second fixed plate, the bottom of lug is located one side of first arm-tie.
Preferably, the tensioning assembly comprises a second rolling roller rotatably connected to the outside of the second rotating shaft, a control box is fixedly connected to one side of the second rotating shaft, a third fixing plate is fixedly connected to the inner wall of one side of the collecting box, an inclined circular groove is formed in the control box, a control bolt is connected to the inside of the third fixing plate in a penetrating mode through threads, one end of the control bolt extends into the inclined circular groove, and a control circular plate matched with the inclined circular groove is sleeved on the control circular plate.
Preferably, the inner walls of the two sides of the collecting box are rotatably connected with the same first rotating shaft, and the outer wall of the first rotating shaft is fixedly sleeved with a first rolling roller.
Preferably, the bottom of the collection box is provided with a second box door, and one side of the collection box is provided with a first box door.
Preferably, the top of the pressure lever is fixedly connected with a rubber pad.
Compared with the prior art, the invention has the beneficial effects that:
1. the first box door and the second box door are opened, so that the operation of workers is facilitated, the electric wire penetrates through the wire inlet hole, the electric wire bypasses from the upper part of the first rolling roller and the lower part of the second rolling roller and then penetrates through the wire inserting hole, the inner hexagonal bolt is rotated and drives the pressing plate to vertically move upwards, the pressing plate drives the pressing rod to vertically move upwards so as to press the electric wire, the electric wire is fixed, and the sequence of winding the electric wire can be adjusted according to different lengths of the electric wire;
2. the first pulling plate is pulled transversely, the first pulling plate drives the push rod to move transversely, the push rod drives the second fixed circular plate and the sleeve plate to move transversely and compress the spring, the clamping state of the first fixed teeth and the second fixed teeth is relieved, the first pulling plate is positioned on one side of the bump at the moment and cannot rebound, the hand wheel is rotated, the hand wheel drives the rotating rod to rotate, the rotating rod drives the winding drum to rotate, and then the electric wire is wound on the winding drum, so that the electric wire is collected;
3. after the wire is wound, vertically pulling the second pulling plate upwards, driving the lug to vertically move upwards and stretching the tension spring by the second pulling plate, and then horizontally moving the sleeve plate under the elastic force of the spring, driving the push rod to horizontally move by the sleeve plate, and driving the second fixed circular plate to horizontally move by the push rod, so that the first fixed teeth and the second fixed teeth are clamped and used for fixing the winding drum;
4. at this moment, the control bolt is rotated, the control bolt drives the control circular plate to move transversely, the control circular plate drives the control box to move vertically downwards, the control box drives the second rotating shaft to move vertically downwards, the second rotating shaft drives the second rolling roller to move vertically downwards, and the second rolling roller drives the electric wire wound on the second rolling roller to move vertically downwards and tension the electric wire.
According to the invention, the electric wire is wound on the winding drum through the fixing assembly, the sequence of winding the electric wire can be adjusted according to different lengths of the electric wire, the winding drum is fixed through the limiting assembly, the electric wire is tensioned through the tensioning assembly, the electric wire can be well protected through the collection box, the electric wire can be well collected and cannot be suspended in the air, and the risk of electric shock is avoided.
Drawings
FIG. 1 is a schematic sectional view of the entire structure of an insulation tension device for an electric wire used for power supply of an underground railway according to the present invention;
FIG. 2 is an enlarged view of portion A of the present invention;
FIG. 3 is a side sectional view of the bobbin of the present invention;
FIG. 4 is a front view of the bobbin of the present invention;
FIG. 5 is a side cross-sectional structural view of the collection chamber of the present invention;
FIG. 6 is a front sectional view of the control box according to the present invention;
FIG. 7 is a side view of the first stationary circular plate according to the present invention;
FIG. 8 is a three-dimensional view of a first stationary circular plate according to the present invention;
FIG. 9 is a front view of the first fixed circular plate according to the present invention;
FIG. 10 is a three-dimensional view of a second stationary circular plate according to the present invention;
FIG. 11 is a side view of the second stationary circular plate according to the present invention.
In the figure: 1. a collection box; 2. a bobbin; 3. a first stationary circular plate; 4. a second stationary circular plate; 5. a push rod; 6. a hand wheel; 7. a first door; 8. a first fixing plate; 9. a pressure lever; 10. a second door; 11. a hexagon socket head cap screw; 12. a bolt slot; 13. pressing a plate; 14. a rubber pad; 15. mounting grooves; 16. a rotating rod; 17. a wire insertion hole; 18. a spring; 19. a first pulling plate; 20. a bump; 21. a second fixing plate; 22. a tension spring; 23. a second pulling plate; 24. sheathing; 25. a wire inlet hole; 26. a first rolling roller; 27. a first rotating shaft; 28. a second rolling roller; 29. a control box; 30. a second rotating shaft; 31. an oblique circular groove; 32. a third fixing plate; 33. a control bolt; 34. a control circular plate; 35. first stationary teeth; 36. and second fixed teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-11, an insulating straining device of wire for power supply of underground railway, including collecting box 1, the bottom inner wall fixedly connected with first fixed plate 8 of collecting box 1, it is connected with same bull stick 16 to rotate between one side inner wall of collecting box 1 and the first fixed plate 8, one side of first fixed plate 8 rotates and is connected with hand wheel 6, the one end of bull stick 16 runs through first fixed plate 8 and with one side fixed connection of hand wheel 6, the fixed cover of outer wall of bull stick 16 is equipped with bobbin 2, the inside of bobbin 2 is provided with the fixed subassembly that is used for fixed electric wire, one side of first fixed plate 8 is provided with and is used for carrying out spacing subassembly to bobbin 2, one side inner wall sliding connection of collecting box 1 has second pivot 30, the outer wall of second pivot 30 is provided with the taut subassembly that is used for taut electric wire, a plurality of entrance holes 25 have been seted up to one side of collecting box 1.
Example two
The improvement is further based on the first embodiment: the fixing component comprises a mounting groove 15 and four wire insertion holes 17 which are arranged inside the bobbin 2, the four wire insertion holes 17 are all communicated with the mounting groove 15, the bottom of the bobbin 2 is provided with a bolt groove 12, the inside of the bolt groove 12 is provided with a matched inner hexagonal bolt 11, the inner hexagonal bolt 11 is in threaded connection with the bobbin 2, the inner walls of two sides of the mounting groove 15 are in sliding connection with a same pressing plate 13, the bottom of the pressing plate 13, which is close to the inner hexagonal bolt 11, is rotatably connected with the top of the inner hexagonal bolt 11, the top of the pressing plate 13 is fixedly connected with four pressing rods 9, one end of each pressing rod 9 extends into the wire insertion hole 17, the limiting component comprises a first fixing circular plate 3 which is fixedly connected with one side of the bobbin 2, one side of the first fixing circular plate 3, which is far away from the bobbin 2, is annularly provided with a plurality of first fixing teeth 35, the inside of the first fixing plate 8 is in a penetrating sliding connection with a push rod 5, one end of the push rod 5, which is close to the first fixing circular plate 3, is fixedly connected with a second fixing circular plate 4, one side of the second fixed circular plate 4 close to the first fixed circular plate 3 is fixedly connected with a plurality of second fixed teeth 36 clamped with the first fixed teeth 35 in an annular shape, the second fixed circular plate 4 is not contacted with the rotating rod 16, the outer wall of the push rod 5 is fixedly sleeved with a sleeve plate 24, the same spring 18 is fixedly connected between the sleeve plate 24 and the first fixed plate 8, the spring 18 is sleeved on the push rod 5, one end of the push rod 5 far away from the first fixed circular plate 3 is fixedly connected with a first pull plate 19, the limiting assembly further comprises a second fixed plate 21 fixedly connected with one side of the first fixed plate 8, the inside of the second fixed plate 21 is connected with a lug 20 in a penetrating and sliding manner, the top of the lug 20 is fixedly connected with a second pull plate 23, two symmetrically arranged tension springs 22 are fixedly connected between the second pull plate 23 and the second fixed plate 21, the bottom of the lug 20 is positioned at one side of the first pull plate 19, the tensioning assembly comprises a second rolling roller 28 rotatably connected with the outside of the second rotating shaft 30, one side fixedly connected with control box 29 of second pivot 30, one side inner wall fixedly connected with third fixed plate 32 of collecting box 1, oblique type circular slot 31 has been seted up to the inside of control box 29, and the inside through thread connection of third fixed plate 32 has control bolt 33, and the one end of control bolt 33 extends to in the oblique type circular slot 31 and overlaps and be equipped with the control plectane 34 with oblique type circular slot 31 looks adaptation.
EXAMPLE III
The improvement is further based on the first embodiment: the inner walls of two sides of the collecting box 1 are rotatably connected with the same first rotating shaft 27, the outer wall of the first rotating shaft 27 is fixedly sleeved with a first rolling roller 26, the bottom of the collecting box 1 is provided with a second box door 10, one side of the collecting box 1 is provided with a first box door 7, and the top of the compression bar 9 is fixedly connected with a rubber pad 14.
The working principle is as follows: when the hand wheel fixing device is used, the first box door 7 and the second box door 10 are opened, so that the operation of workers is convenient, electric wires pass through the wire inlet hole 25, pass through the upper part of the first rolling roller 26 and the lower part of the second rolling roller 28, pass through the wire inserting hole 17, rotate the inner hexagonal bolt 11, drive the pressing plate 13 to vertically move upwards by the inner hexagonal bolt 11, drive the pressing rod 9 to vertically move upwards by the pressing plate 13, further press the electric wires to be fixed, the sequence of winding the electric wires can be adjusted according to different lengths of the electric wires, the first pulling plate 19 is transversely pulled, the first pulling plate 19 drives the push rod 5 to transversely move, the push rod 5 drives the second fixing circular plate 4 and the sleeve plate 24 to transversely move and compress the spring 18, the clamping state of the first fixing teeth 35 and the second fixing teeth 36 is released, at the moment, the first pulling plate 19 is positioned on one side of the lug 20, the hand wheel cannot rebound, the rotating hand wheel 6 is rotated, the rotating rod 16 is driven by the hand wheel 6 to rotate, the rotating rod 16 drives the bobbin 2 to rotate, so that the electric wire is wound on the bobbin 2, and the collection of the electric wire is realized, after the winding of the electric wire is completed, the second pulling plate 23 is vertically pulled upwards, the second pulling plate 23 drives the lug 20 to vertically move upwards and stretch the tension spring 22, at this time, the sleeve plate 24 transversely moves under the action of the elastic force of the spring 18, the sleeve plate 24 drives the push rod 5 to transversely move, the push rod 5 drives the second fixed circular plate 4 to transversely move, so that the first fixed teeth 35 and the second fixed teeth 36 are clamped for fixing the bobbin 2, at this time, the control bolt 33 is rotated, the control bolt 33 drives the control circular plate 34 to transversely move, the control circular plate 34 drives the control box 29 to vertically move downwards, the control box 29 drives the second rotating shaft 30 to vertically move downwards, the second rotating shaft 30 drives the second rolling roller 28 to vertically move downwards, the second rolling roller 28 drives the electric wire wound thereon to vertically move downwards, and the wire is tensioned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An electric wire insulation tensioning device for power supply of an underground railway comprises a collecting box (1) and is characterized in that a first fixing plate (8) is fixedly connected to the inner wall of the bottom of the collecting box (1), a same rotating rod (16) is rotatably connected between the inner wall of one side of the collecting box (1) and the first fixing plate (8), a hand wheel (6) is rotatably connected to one side of the first fixing plate (8), one end of the rotating rod (16) penetrates through the first fixing plate (8) and is fixedly connected with one side of the hand wheel (6), a winding drum (2) is fixedly sleeved on the outer wall of the rotating rod (16), a fixing component for fixing an electric wire is arranged inside the winding drum (2), a limiting component for limiting the winding drum (2) is arranged on one side of the first fixing plate (8), a second rotating shaft (30) is slidably connected to the inner wall of one side of the collecting box (1), the outer wall of the second rotating shaft (30) is provided with a tensioning assembly for tensioning the electric wire, and one side of the collecting box (1) is provided with a plurality of wire inlet holes (25).
2. The wire insulation tension device for underground railway power supply according to claim 1, the fixing component comprises a mounting groove (15) and four wire inserting holes (17) which are arranged in the bobbin (2), the four wire inserting holes (17) are communicated with the mounting groove (15), the bottom of the bobbin (2) is provided with a bolt groove (12), the inside of the bolt groove (12) is provided with a matched inner hexagon bolt (11), the inner hexagon bolt (11) is in threaded connection with the bobbin (2), the inner walls of two sides of the mounting groove (15) are connected with the same pressing plate (13) in a sliding way, the bottom of the pressure plate (13) close to the inner hexagon bolt (11) is rotationally connected with the top of the inner hexagon bolt (11), the top of the pressing plate (13) is fixedly connected with four pressing rods (9), and one ends of the pressing rods (9) extend into the wire inserting holes (17).
3. The electric wire insulation tensioning device for power supply of underground railway as claimed in claim 1, wherein the limiting assembly comprises a first fixed circular plate (3) fixedly connected to one side of the bobbin (2), one side of the first fixed circular plate (3) far away from the bobbin (2) is annularly provided with a plurality of first fixed teeth (35), a push rod (5) penetrates through the inside of the first fixed plate (8) and is slidably connected, one end of the push rod (5) close to the first fixed circular plate (3) is fixedly connected with a second fixed circular plate (4), one side of the second fixed circular plate (4) close to the first fixed circular plate (3) is annularly and fixedly connected with a plurality of second fixed teeth (36) clamped with the first fixed teeth (35), the second fixed circular plate (4) is not in contact with the rotating rod (16), and a sleeve plate (24) is fixedly sleeved on the outer wall of the push rod (5), the same spring (18) of fixedly connected with between lagging (24) and first fixed plate (8), spring (18) cover is established on push rod (5), the first arm-tie (19) of one end fixedly connected with of first fixed plectane (3) is kept away from in push rod (5).
4. The wire insulation tensioning device for the power supply of the underground railway as claimed in claim 1, wherein the limiting assembly further comprises a second fixing plate (21) fixedly connected to one side of the first fixing plate (8), a protruding block (20) is slidably connected to the inside of the second fixing plate (21) in a penetrating manner, a second pulling plate (23) is fixedly connected to the top of the protruding block (20), two symmetrically arranged tension springs (22) are fixedly connected between the second pulling plate (23) and the second fixing plate (21), and the bottom of the protruding block (20) is located on one side of the first pulling plate (19).
5. The wire insulation tensioning device for the power supply of the underground railway according to claim 1, wherein the tensioning assembly comprises a second rolling roller (28) rotatably connected to the outside of a second rotating shaft (30), a control box (29) is fixedly connected to one side of the second rotating shaft (30), a third fixing plate (32) is fixedly connected to the inner wall of one side of the collecting box (1), an inclined circular groove (31) is formed in the control box (29), a control bolt (33) is connected to the inside of the third fixing plate (32) in a penetrating and threaded manner, one end of the control bolt (33) extends into the inclined circular groove (31) and is sleeved with a control circular plate (34) matched with the inclined circular groove (31).
6. An electric wire insulation tensioning device for power supply of underground railway as claimed in claim 1, characterized in that the inner walls of both sides of the collecting box (1) are rotatably connected with the same first rotating shaft (27), and the outer wall of the first rotating shaft (27) is fixedly sleeved with a first rolling roller (26).
7. An electric wire insulation tensioning device for power supply of underground railway according to claim 1, characterized in that the bottom of the collecting box (1) is provided with a second box door (10), and one side of the collecting box (1) is provided with a first box door (7).
8. An electric wire insulation tensioning device for underground railway power supply according to claim 2, characterized in that the top of the pressure lever (9) is fixedly connected with a rubber pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471453.2A CN113200417B (en) | 2021-04-29 | 2021-04-29 | Wire insulation tensioning device for power supply of underground railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471453.2A CN113200417B (en) | 2021-04-29 | 2021-04-29 | Wire insulation tensioning device for power supply of underground railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113200417A true CN113200417A (en) | 2021-08-03 |
| CN113200417B CN113200417B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110471453.2A Active CN113200417B (en) | 2021-04-29 | 2021-04-29 | Wire insulation tensioning device for power supply of underground railway |
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2021
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| JPH02239064A (en) * | 1989-03-09 | 1990-09-21 | Toyo Denki Tsushin Kogyo Kk | Supporter with cable drum rotation braking |
| CN108002114A (en) * | 2017-11-29 | 2018-05-08 | 江西省互电气有限公司 | A kind of electrical equipment coiling apparatus |
| CN211800884U (en) * | 2019-12-10 | 2020-10-30 | 何丽 | Experimental equipment for testing water pollution |
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| CN211768121U (en) * | 2020-02-11 | 2020-10-27 | 湖州远拓输送设备有限公司 | Shaft power roller conveyor |
| CN112158685A (en) * | 2020-10-28 | 2021-01-01 | 江西中晟金属有限公司 | Electric wire collection device easy to move |
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| CN113200417B (en) | 2022-11-08 |
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