CN208752277U

CN208752277U - A kind of optical cable installation wire tensioning device

Info

Publication number: CN208752277U
Application number: CN201721696848.8U
Authority: CN
Inventors: 蔡雪飞
Original assignee: Tianjin Sanbalingling Technology Co Ltd
Current assignee: Tianjin Sanbalingling Technology Co Ltd
Priority date: 2017-12-08
Filing date: 2017-12-08
Publication date: 2019-04-16
Anticipated expiration: 2027-12-08

Abstract

The utility model discloses a kind of optical cable installation wire tensioning devices, including long wirerope, shell, connect sleeve, Scroll, ratchet and worm gear, the long wirerope front end is connected with the second suspension hook, the long wirerope rear end passes through on the fixed Scroll inside the housing of casing wound, the Scroll left and right ends are equipped with ratchet, on the outside of the ratchet in fixed second bearing on the shell, worm gear is provided in the middle part of the shaft, worm screw is provided on the right side of the worm gear, described Scroll one end passes through side wall of outer shell and is connected with external connection sleeve, the worm screw upper end passes through upper shell face and is connected with external connection sleeve.The utility model solves that traditional manual wire tensioning device is inconvenient by the way that long wirerope, shell, connection sleeve, Scroll, ratchet and worm gear is arranged, to the limited problem of tension dynamics of optical cable.

Description

A kind of optical cable installation wire tensioning device

Technical field

The utility model relates to fiber optic cable plant technical field, specially a kind of optical cable installation wire tensioning device.

Background technique

Optical cable is manufactured to meet the performance specification of optics, machinery or environment, it is to utilize to be placed in cladding sheath In one or more optical fiber as transmission medium and the communications cable component that can use individually or in groups, optical cable is when being laid with It needing to carry out tension fastening to the optical cable between two erecting rods using wire tensioning device, traditional clamp device structure is simple, Since crank uses horizon bar when rotating crank, cause worker's hand rotation when crank rotates that cannot be in same level On, rotation is inconvenient, and in later period stringing since external cable stress is gradually increased, common manual wire tensioning device is in operation It is more laborious, labor intensity is increased, while the pretightning force of cable line being be easy to cause to be unsatisfactory for design requirement.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of optical cable installation wire tensioning device, solves tradition Manual wire tensioning device it is inconvenient, to the limited problem of tension dynamics of optical cable.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of optical cable installation wire tensioning device, including Long wirerope, shell, connection sleeve, Scroll, ratchet and worm gear, the long wirerope front end is connected with the second suspension hook, described Long wirerope rear end passes through on the fixed Scroll inside the housing of casing wound, and the Scroll left and right ends are equipped with spine Wheel, the ratchet outside are fixed in second bearing on the shell, and the first tooth is equipped on the ratchet where the interior of shell Wheel, the first gear right side are provided with second gear, and the second gear installs first bearing on the shell by shaft On, it is provided with worm gear in the middle part of the shaft, worm screw, the worm gear and worm screw are provided on the right side of the worm gear and is connected by threads turn It connects, described Scroll one end passes through side wall of outer shell and is connected with external connection sleeve, is equipped with crank on the connection sleeve, institute It states worm screw upper end and is connected across upper shell face with external connection sleeve, the connection sleeve is provided with two, the shell Right end is connected by strap with the first suspension hook, and the outer casing bottom is provided with unwrapping wire bolt, and the unwrapping wire bolt passes through outer The ratchet on second bearing inner ring is fixed for shell and second bearing outer ring.

Preferably, the unwrapping wire bolt passes through shell and the ratchet on second bearing inner ring is consolidated in second bearing outer ring It is fixed.

Preferably, the worm screw is mounted vertically on shell by 3rd bearing.

Preferably, the first gear engages connection with second gear.

Preferably, the first bearing is arranged on the right side of second bearing.

(3) beneficial effect

The utility model provides a kind of optical cable installation wire tensioning device, have it is following the utility model has the advantages that

(1) the utility model is by way of being arranged to crank for common rocking bar, the worker in actual rotation operation Hand is able to maintain to be rotated in same level, easy to operate.

(2) for the utility model by setting first gear, second gear and worm gear, worm screw, the setting of worm and gear can To amplify torque, the worm screw is set to drive internal whole system rotation with smaller power, the diameter of second gear is less than first Gear, so second gear, which can be realized with the rotation of smaller rotation power drive first gear with this, subtracts power effect, two kinds of cooperations Using enabling optical cable to reach higher stringing effect.

(3) the utility model can effectively prevent reverse, gradually wirerope be wound on Scroll, made by setting ratchet Conducting wire tightening.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model shell top view；

Fig. 3 is the utility model interior of shell overlooking structure diagram；

Fig. 4 is the utility model interior of shell side structure schematic diagram；

Fig. 5 is the utility model shell front side wall construction schematic diagram.

In figure: 1 long wirerope, 2 shells, 3 straps, 4 first suspension hooks, 5 unwrapping wire bolts, 6 cranks, 7 second suspension hooks, 8 Connect sleeve, 9 Scrolls, 10 first gears, 11 ratchets, 12 second gears, 13 first bearings, 14 second bearings, 15 shafts, 16 Worm gear, 17 worm screws, 18 3rd bearings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of optical cable installation wire tensioning device, including length Wirerope 1, shell 2, connection sleeve 8, Scroll 9, ratchet 11 and worm gear 16, long 1 front end of wirerope are connected with the second suspension hook 7, Long 1 rear end of wirerope passes through shell 2 and is fastened on the Scroll 9 inside shell 2, and 9 left and right ends of Scroll are equipped with spine Wheel 11, prevents Scroll 9 from inverting, while first gear 10 rotates when rotating Scroll 9, is fixed on the outside of ratchet 11 outer In second bearing 14 on shell 2, first gear 10 is installed on the ratchet 11 where 2 inside of shell, is set on the right side of first gear 10 It is equipped with second gear 12, first gear 10 engages connection with second gear 12, and 10 diameter of first gear is greater than and second gear 12 Diameter enables second gear 12 to rotate with smaller power drive first gear 10, realizes labor-saving effect, second gear 12 is by turning Axis 15 is mounted in the first bearing 13 on shell 2, and the setting of first bearing 13 is arranged in the middle part of 14 right side of second bearing, shaft 15 There is worm gear 16, worm screw 17 is provided on the right side of worm gear 16, worm screw 17 is mounted vertically on shell 2 by 3rd bearing 18, worm gear Ratchet 11 inside 16 can be such that worm gear 16 inverts, and prevent worm gear 16 and worm screw 17 self-locking, and worm gear 16 and worm screw 17 pass through spiral shell Line rotation connection, 9 one end of Scroll pass through 2 side wall of shell and are connected with external connection sleeve 8, connect to be equipped on sleeve 8 and shake 6, bracket can be in same level when crank 6 realizes hand rotation, and convenient for operation, 17 upper end of worm screw passes through 2 upper end of shell Face is connected with external connection sleeve 8, and there are two the connection settings of sleeve 8, can be by when being unable to stringing by rotating Scroll 9 The increasing for continuing to rotate realize more energetically on the connection sleeve 8 that crank 6 is placed on worm screw 17, which is held, to be stepped up, and 2 right end of shell is logical It crosses strap 3 to be connected with the first suspension hook 4,2 bottom of shell is provided with unwrapping wire bolt 5, and unwrapping wire bolt 5 passes through shell 2 and the Ratchet 11 on 14 inner ring of second bearing is fixed for two bearings, 14 outer ring, and unwrapping wire bolt 5 can be after stringing to backspin Pine will screw out the inner ring of 3rd bearing 18 at the top of unwrapping wire bolt 5, the inner ring and outer ring of 3rd bearing 18 is made to relatively rotate, the Unwrapping wire is realized in the rotation of three shafts 18.

In use, the second suspension hook 7 on long wirerope 1 is fixed on the optical cable for needing to carry out stringing, by strap 3 On the first suspension hook 4 be fixed in optical cable line bar, crank 6 is mounted on the connection sleeve 8 in the outside of Scroll 9, rotates crank The 6 drive rotations of Scroll 9, which are wound long wirerope 1, pulls optical cable to realize stringing effect, and the ratchet 11 of 9 two sides of Scroll can Prevent Scroll 9 from inverting, since first gear 10 does not rotate when ratchet 11 acts on rotation Scroll 9, when stringing pulling force Increase, when shake crank 6 is had any problem, crank 6 is removed to the company for being placed on 17 top of worm screw from the connection sleeve 8 on Scroll 9 On female connector cylinder 8, crank 6 is rotated, worm screw 17 is driven to rotate for crank 6 so that worm gear 16 rotates, and then has the second tooth in shaft 15 Wheel 12 drives the first gear 10 of 9 two sides of Scroll to rotate, and then carries out the winding of long wirerope 1.

It can to sum up obtain, the utility model is by being arranged long wirerope 1, shell 2, connection sleeve 8, Scroll 9,11 and of ratchet Worm gear 16, solves that traditional manual wire tensioning device is inconvenient, to the limited problem of tension dynamics of optical cable.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, term " includes " or its any other variant be intended to it is non-exclusive Property include so that include a series of elements process, method, article or equipment not only include those elements, but also Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic Element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of optical cable installation wire tensioning device, including long wirerope (1), shell (2), connection sleeve (8), Scroll (9), spine Take turns (11) and worm gear (16), it is characterised in that: long wirerope (1) front end is connected with the second suspension hook (7), the long wirerope (1) rear end passes through shell (2) and is fastened on the internal Scroll (9) of shell (2), Scroll (9) the left and right ends peace It equipped with ratchet (11), is fixed in the second bearing (14) on shell (2) on the outside of the ratchet (11), the shell (2) is internal It is equipped with first gear (10) on the ratchet (11) at place, is provided with second gear (12), institute on the right side of the first gear (10) It states second gear (12) to pass through in the first bearing (13) that shaft (15) are mounted on shell (2), be set in the middle part of the shaft (15) It is equipped with worm gear (16), is provided with worm screw (17) on the right side of the worm gear (16), the worm gear (16) and worm screw (17) are turned by screw thread Dynamic connection, described Scroll (9) one end pass through shell (2) side wall and are connected with external connection sleeve (8), the connection sleeve (8) it being equipped on crank (6), worm screw (17) upper end passes through shell (2) upper surface and is connected with external connection sleeve (8), There are two connection sleeve (8) settings, and shell (2) right end is connected by strap (3) with the first suspension hook (4), institute It states shell (2) bottom and is provided with unwrapping wire bolt (5).

2. a kind of optical cable installation wire tensioning device according to claim 1, it is characterised in that: the unwrapping wire bolt (5) is worn It crosses shell (2) and second bearing (14) outer ring the ratchet (11) on second bearing (14) inner ring is fixed.

3. a kind of optical cable installation wire tensioning device according to claim 1, it is characterised in that: the worm screw (17) passes through the Three bearings (18) are mounted vertically on shell (2).

4. a kind of optical cable installation wire tensioning device according to claim 1, it is characterised in that: the first gear (10) with Second gear (12) engagement connection.

5. a kind of optical cable installation wire tensioning device according to claim 1, it is characterised in that: the first bearing (13) sets It sets on the right side of second bearing (14).