CN203946687U - A kind of thread tensioning mechanism - Google Patents

A kind of thread tensioning mechanism Download PDF

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Publication number
CN203946687U
CN203946687U CN201420407990.6U CN201420407990U CN203946687U CN 203946687 U CN203946687 U CN 203946687U CN 201420407990 U CN201420407990 U CN 201420407990U CN 203946687 U CN203946687 U CN 203946687U
Authority
CN
China
Prior art keywords
wheel
slide bar
reversing shaft
tensioning
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420407990.6U
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Chinese (zh)
Inventor
黄俊杰
余盛明
黄成国
汪小婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANWEI ELECTRONICS CO Ltd
Original Assignee
TIANWEI ELECTRONICS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANWEI ELECTRONICS CO Ltd filed Critical TIANWEI ELECTRONICS CO Ltd
Priority to CN201420407990.6U priority Critical patent/CN203946687U/en
Application granted granted Critical
Publication of CN203946687U publication Critical patent/CN203946687U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of thread tensioning mechanism, comprise frame and line wheel, on line wheel, be also connected with drive motor, in frame, be also provided with setting device; Setting device comprises the first slide bar, the first sliding sleeve, the second slide bar, the second sliding sleeve, tensioning wheel carrier, tension wheel, pars contractilis, reversing shaft, bevel-gear pair and drive spindle, and pars contractilis comprises sleeve, the spring of two reducings; In frame, be also provided with bearing seat, bevel-gear pair comprises two intermeshing finishing bevel gear cuters.The utility model is simple in structure, lightweight, is convenient to manufacture and carrying; When guaranteeing cable tensioning, also there is the effect of protection cable; In rotation process, tension wheel moves back and forth along the axis of line wheel is provided with the cloth line mass being beneficial on the online wheel of cable for line wheel, i.e. above setting also makes the utility model also have good coiling quality and threading speed faster.

Description

A kind of thread tensioning mechanism
Technical field
The utility model relates to a kind of cable and takes in protection unit, particularly relates to a kind of thread tensioning mechanism.
Background technology
In prior art, electric power cable and communication cable are applied to every field, when laying cable in cable Production and Packaging, zero time and taking in, all need to use winding roller, the main winding part of winding roller is line wheel, the rotation of logical wire-crossing wheel is round by cable and is wound around thereon, to reduce above-mentioned cable, taken up space, prevented the flexural deformation of cable local excessive, be beneficial to cable life-span, deposit and carry.By the upper uniform coiling of the online wheel of cable and layer by layer lock ring be to utilize to greatest extent line to take turns actv. mode, the tension adjustment inconvenience of cable cable when being wound to line wheel in prior art, like this, the artificial hand control of uniform needs or auxiliary auxiliary mechanism in the online wheel axis of cable, be unfavorable for winding efficiency, the quality that winds the line and reduce quality and the volume of winding roller.
Utility model content
Tension adjustment inconvenience for the cable when being wound to line wheel of cable in above-mentioned prior art, like this, the artificial hand control of uniform needs or auxiliary auxiliary mechanism in the online wheel axis of cable, be unfavorable for winding efficiency, the quality that winds the line and reduce the quality of winding roller and the problem of volume, the utility model provides a kind of thread tensioning mechanism.
For the problems referred to above, a kind of thread tensioning mechanism that the utility model provides solves problem by following technical essential: a kind of thread tensioning mechanism, comprise frame and be fixed on the line wheel in frame, on described line wheel, be also connected with the drive motor rotating around its axis for drive wire wheel, in described frame, be also provided with for straining cable and realizing the upper uniform setting device of the online wheel of cable;
Described setting device comprises the first slide bar, be set in the first sliding sleeve on the first slide bar, the second slide bar, be set in the second sliding sleeve on the second slide bar, tensioning wheel carrier, tension wheel, pars contractilis, reversing shaft, bevel-gear pair and drive spindle, described the first slide bar, the second slide bar, line wheel three axis is parallel, one end of tensioning wheel carrier is fixedly connected with the first sliding sleeve, tension wheel is fixed on the other end of tensioning wheel carrier, pars contractilis comprises the sleeve of two reducings, the spring that two ends are fixedly connected with a sleeve respectively, one of them jacket casing is located on another sleeve, two sleeves form sleeve body, one end of described sleeve body is fixedly connected with the first sliding sleeve, the other end and tensioning wheel carrier are articulated and connected, and pars contractilis can rotate around the first slide bar,
In described frame, be also provided with bearing seat, reversing shaft is fixed on bearing seat, bevel-gear pair comprises two intermeshing finishing bevel gear cuters, one of them finishing bevel gear cuter is connected with the rotating shaft of line wheel, another finishing bevel gear cuter is connected on one end of reversing shaft, the two ends of drive spindle become to be rotatably connected with reversing shaft with the first sliding sleeve respectively, and the point of connection of drive spindle and reversing shaft is on the axis of reversing shaft, and reversing shaft is mutually vertical with the first slide bar.
Concrete, the first slide bar and the first sliding sleeve that arrange, the annexation of the second slide bar and the second sliding sleeve is for realizing the first sliding sleeve and the slip on the first slide bar and the second slide bar respectively of the second sliding sleeve, the torque of the reversing shaft arranging for transmitting drive motor, the version that the bevel-gear pair two ends that arrange are connected with reversing shaft with line wheel respectively, for realizing the rotation of synchronizeing that reversing shaft and line take turns, in the rotation process of online wheel, the form that is rotatably connected of drive spindle and reversing shaft and the first sliding sleeve, for realizing the point of connection of drive spindle and reversing shaft, with respect to the distance of the first sliding sleeve, fix, like this, drive spindle is when rotating, the point of connection of drive spindle and reversing shaft rotates in annular trace, application force between drive spindle and reversing shaft forces the first sliding sleeve to move back and forth along the first slide bar, the annexation of two sleeves on the pars contractilis arranging, make compression effort between sleeve lateral wall force second to slide on the second slide bar and synchronously slidably reciprocate with the first sliding sleeve, make like this line wheel in the process of rotating, tension wheel moves back and forth along the axis of line wheel, and the tension wheel tension before being wound to line wheel for cable simultaneously: when the utility model uses, by cable, tension wheel is applied to certain compression effort, spring slows down to rush to by elasticity and states compression effort, to prevent that described compression effort sudden change from damaging or drawing-down cable, be tension wheel realize cable tight in, the axis that cable is taken turns along line towards the leading-in end of line wheel moves back and forth the even wiring realizing on the online wheel of cable.
Further technical scheme is:
For reversing shaft can be moved by braking first sliding sleeve of drive spindle compactness in the process of rotating, on described reversing shaft, be also fixed with the driving disk perpendicular to reversing shaft, on described driving disk and the first sliding sleeve, be all fixed with a root post, on column, be provided with a bearing, and the inner ring of two bearings is fixedly connected with corresponding column respectively, the two ends of drive spindle are fixedly connected with the outer ring of two bearings respectively, and two root posts are all parallel with reversing shaft.Adopt driving disk to realize excessive that reversing shaft is connected with drive spindle, be convenient to realize the less axis that departs from reversing shaft of center of gravity of reversing shaft, be conducive to the stability that reversing shaft rotates.
For reducing the size of drive spindle compression effort of the first sliding sleeve and the first slide bar when driving the first sliding sleeve to move along the first slide bar, described drive spindle, the first slide bar and the second slide bar are all positioned at same plane.
For making reversing shaft rotation more steady, be beneficial to the uniform quality of cable of tension wheel, more than one of described bearing seat.
For protection cable, make the utlity model has overload self-protection ability, the type of belt drive of described drive motor drive wire wheel is belt-driving.
For avoiding cable when walking around tension wheel, the friction of cable sheath and tension wheel causes damage to cable, and described tension wheel can rotate around the point of connection of itself and tensioning wheel carrier.
The utlity model has following beneficial effect:
For line wheel, braking and realize cable can be realized by a drive motor along the drive element of the even wiring of line wheel; Cable before being wound to line wheel on it tensile force by the spring being arranged in pars contractilis, realized, the maintenance that above tensile force all can be good in the time limit in elastic deformation at spring; Simultaneously when tensile force suddenly change, by elastic deformation, also can effectively cushion stress mutation, prevent because tensile force suddenly excessive or too small damage cable or winding that cable is taken turns online not tight; The isochrone wheel axis that tension wheel is taken turns along line in rotation process moves back and forth.More than be arranged so that the utility model is simple in structure, lightweight, be convenient to manufacture and carrying; In coiling process cable be stretched in spring generation elastic deformation time all can realize, spring also can effectively cushion stress mutation by elastic deformation when tensile force suddenlys change simultaneously, make the utility model when guaranteeing cable tensioning, also there is the effect of protection cable; In rotation process, tension wheel moves back and forth along the axis of line wheel is provided with the cloth line mass being beneficial on the online wheel of cable for line wheel, i.e. above setting also makes the utility model also have good coiling quality and threading speed faster.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of a kind of thread tensioning mechanism described in the utility model;
Fig. 2 is the structural representation of a specific embodiment of a kind of thread tensioning mechanism pars contractilis described in the utility model.
Figure acceptance of the bid note is respectively: 1, line wheel, 2, bevel-gear pair, 3, reversing shaft, 4, bearing seat, 5, drive spindle, the 6, first slide bar, 7, the first sliding sleeve, 8, pars contractilis, 81, sleeve, 82, spring, 83, wear pin, 84, wear key seat, 9, tension wheel, 10, tensioning wheel carrier, the 11, second slide bar, 12, the second sliding sleeve, 13, frame, 14, driving disk.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As Fig. 1 and Fig. 2, a kind of thread tensioning mechanism, comprise frame 13 and be fixed on the line wheel 1 in frame 13, on described line wheel 1, be also connected with the drive motor rotating around its axis for drive wire wheel 1, in described frame 13, be also provided with for straining cable and realizing uniform setting device on the online wheel 1 of cable;
Described setting device comprises the first slide bar 6, be set in the first sliding sleeve 7 on the first slide bar 6, the second slide bar 11, be set in the second sliding sleeve 12 on the second slide bar 11, tensioning wheel carrier 10, tension wheel 9, pars contractilis 8, reversing shaft 3, bevel-gear pair 2 and drive spindle 5, described the first slide bar 6, the second slide bar 11, it is parallel that line is taken turns 1 three's axis, one end of tensioning wheel carrier 10 is fixedly connected with the first sliding sleeve 6, tension wheel 9 is fixed on the other end of tensioning wheel carrier 10, pars contractilis 8 comprises the sleeve 81 of two reducings, the spring 82 that two ends are fixedly connected with a sleeve 81 respectively, one of them sleeve 81 is set on another sleeve 81, two sleeves 81 form sleeve body, one end of described sleeve body is fixedly connected with the first sliding sleeve 7, the other end and tensioning wheel carrier 10 are articulated and connected, and pars contractilis 8 can rotate around the first slide bar 6,
In described frame 13, be also provided with bearing seat 4, reversing shaft 3 is fixed on bearing seat 4, bevel-gear pair 2 comprises two intermeshing finishing bevel gear cuters, one of them finishing bevel gear cuter is connected with the rotating shaft of line wheel 1, another finishing bevel gear cuter is connected on one end of reversing shaft 3, the two ends of drive spindle 5 are rotatably connected with 3 one-tenth of reversing shafts with the first sliding sleeve 7 respectively, and drive spindle 5 with the point of connection of reversing shaft 3 not on the axis of reversing shaft 3, reversing shaft 3 is mutual vertical with the first slide bar 6.
Concrete, in the present embodiment, the axis of line wheel 1 becomes to be horizontally disposed with, the bevel-gear pair 2 arranging is for realizing 90 ° of commutation transmissions, being articulated and connected of pars contractilis 8 and tensioning wheel carrier 10 worn key seat 84 by what a bulk is set respectively on sleeve body and tensioning wheel carrier 10 and is provided with through hole on it, by one, wear pin 83 and realize being articulated and connected of pars contractilis 8 and tensioning wheel carrier 10, and the axis of wearing pin 83 is all parallel with the axis of the first slide bar 6 and the second slide bar 11, the object that can rotate around the first slide bar 6 to realize pars contractilis 8.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, for reversing shaft 3 can be moved by braking first sliding sleeve 7 of drive spindle 5 compactnesses in the process of rotating, on described reversing shaft 3, be also fixed with the driving disk 14 perpendicular to reversing shaft 3, on described driving disk 14 and the first sliding sleeve 7, be all fixed with a root post, on column, be provided with a bearing, and the inner ring of two bearings is fixedly connected with corresponding column respectively, the two ends of drive spindle 5 are fixedly connected with the outer ring of two bearings respectively, and two root posts are all parallel with reversing shaft 3.Adopt driving disk 14 to realize excessive that reversing shaft 3 is connected with drive spindle 5, be convenient to realize the less axis that departs from reversing shaft 3 of center of gravity of reversing shaft 3, be conducive to the stability that reversing shaft 3 rotates.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, for reducing the size of drive spindle 5 compression effort of the first sliding sleeve 7 and the first slide bar 6 when driving the first sliding sleeve 7 to move along the first slide bar 6, described drive spindle 5, the first slide bar 6 and the second slide bar 11 are all positioned at same plane.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, more steady for reversing shaft 3 is rotated, and is beneficial to the uniform quality of cable of tension wheel 9, more than one of described bearing seat 4.
For protection cable, make the utlity model has overload self-protection ability, the type of belt drive of described drive motor drive wire wheel 1 is belt-driving.
Embodiment 5:
The present embodiment is further qualified on the basis of above embodiment, and as Fig. 1, for avoiding cable when walking around tension wheel 9, the friction of cable sheath and tension wheel 9 causes damage to cable, and described tension wheel 9 can rotate around the point of connection of itself and tensioning wheel carrier 10.
Above content is the further description of the utility model being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other embodiments that draw under the technical solution of the utility model, all should be included in protection domain of the present utility model.

Claims (6)

1. a thread tensioning mechanism, comprise frame (13) and be fixed on the line wheel (1) in frame (13), on described line wheel (1), be also connected with the drive motor rotating around its axis for drive wire wheel (1), it is characterized in that, in described frame (13), be also provided with for straining cable and realizing cable and take turns online (1) upper uniform setting device;
Described setting device comprises the first slide bar (6), be set in the first sliding sleeve (7) on the first slide bar (6), the second slide bar (11), be set in the second sliding sleeve (12) on the second slide bar (11), tensioning wheel carrier (10), tension wheel (9), pars contractilis (8), reversing shaft (3), bevel-gear pair (2) and drive spindle (5), described the first slide bar (6), the second slide bar (11), line wheel (1) three's axis is parallel, and one end of tensioning wheel carrier (10) is fixedly connected with the first sliding sleeve (6), and tension wheel (9) is fixed on the other end of tensioning wheel carrier (10), and pars contractilis (8) comprises the sleeve (81) of two reducings, the spring (82) that two ends are fixedly connected with a sleeve (81) respectively, one of them sleeve (81) is set on another sleeve (81), two sleeves (81) form sleeve body, one end of described sleeve body is fixedly connected with the first sliding sleeve (7), the other end and tensioning wheel carrier (10) are articulated and connected, and pars contractilis (8) can rotate around the first slide bar (6),
In described frame (13), be also provided with bearing seat (4), reversing shaft (3) is fixed on bearing seat (4), bevel-gear pair (2) comprises two intermeshing finishing bevel gear cuters, one of them finishing bevel gear cuter is connected with the rotating shaft of line wheel (1), another finishing bevel gear cuter is connected on one end of reversing shaft (3), the two ends of drive spindle (5) become to be rotatably connected with reversing shaft (3) with the first sliding sleeve (7) respectively, and drive spindle (5) is not with the point of connection of reversing shaft (3) on the axis of reversing shaft (3), and reversing shaft (3) is mutually vertical with the first slide bar (6).
2. a kind of thread tensioning mechanism according to claim 1, it is characterized in that, on described reversing shaft (3), be also fixed with the driving disk (14) perpendicular to reversing shaft (3), on described driving disk (14) and the first sliding sleeve (7), be all fixed with a root post, on column, be provided with a bearing, and the inner ring of two bearings is fixedly connected with corresponding column respectively, the two ends of drive spindle (5) are fixedly connected with the outer ring of two bearings respectively, and two root posts are all parallel with reversing shaft (3).
3. a kind of thread tensioning mechanism according to claim 1, is characterized in that, described drive spindle (5), the first slide bar (6) and the second slide bar (11) are all positioned at same plane.
4. a kind of thread tensioning mechanism according to claim 1, is characterized in that, more than one of described bearing seat (4).
5. a kind of thread tensioning mechanism according to claim 1, is characterized in that, the type of belt drive of described drive motor drive wire wheel (1) is belt-driving.
6. according to a kind of thread tensioning mechanism described in any one in claim 1 to 5, it is characterized in that, described tension wheel (9) can rotate around the point of connection of itself and tensioning wheel carrier (10).
CN201420407990.6U 2014-07-23 2014-07-23 A kind of thread tensioning mechanism Expired - Fee Related CN203946687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420407990.6U CN203946687U (en) 2014-07-23 2014-07-23 A kind of thread tensioning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420407990.6U CN203946687U (en) 2014-07-23 2014-07-23 A kind of thread tensioning mechanism

Publications (1)

Publication Number Publication Date
CN203946687U true CN203946687U (en) 2014-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420407990.6U Expired - Fee Related CN203946687U (en) 2014-07-23 2014-07-23 A kind of thread tensioning mechanism

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104129678A (en) * 2014-07-23 2014-11-05 四川天微电子有限责任公司 Wire tensioning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104129678A (en) * 2014-07-23 2014-11-05 四川天微电子有限责任公司 Wire tensioning device

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141119

Termination date: 20150723