CN210715806U

CN210715806U - Gear commutator for winding and unwinding optical cable

Info

Publication number: CN210715806U
Application number: CN201921492605.1U
Authority: CN
Inventors: 李宏; 胡见前; 肖卫卫; 李振国; 吕雪晴
Original assignee: Hengyang Taihao Communication Vehicles Co Ltd
Current assignee: Hengyang Taihao Communication Vehicles Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-09
Anticipated expiration: 2029-09-09

Abstract

A gear commutator for receiving and releasing optical cable, relate to field operations apparatus technical field, it includes the casing, first driven sprocket and first driven shaft, install power gear on the first driven shaft, power gear can follow first driven shaft horizontal slip, power gear's both ends are equipped with left power teeth of a cogwheel and right power teeth of a cogwheel respectively, install second driven shaft and third driven shaft in the casing, install the intermediate gear on the second driven shaft, intermediate gear can with the meshing of left power teeth of a cogwheel, install driven gear on the third driven shaft, both ends are equipped with left driven teeth of a cogwheel and right driven teeth of a cogwheel respectively about driven gear, left driven teeth of a cogwheel and intermediate gear meshing. The utility model discloses not only can realize that the optical cable is coiled corotation unwrapping wire when can make the power transmission of walking wheel coil for the optical cable, can also switch into the optical cable and coil the reversal in order to receive the line, improve the efficiency of receiving the line greatly.

Description

Gear commutator for winding and unwinding optical cable

Technical Field

The utility model relates to a field operations apparatus technical field especially indicates a gear commutator for receive and release optical cable.

Background

The field operation optical cable receive and releases operation is an important work in the field operation, and the operation personnel usually bear the optical cable on one's body or through portable mode quick travel in order to realize laying fast or retrieving of optical cable, and present research and development personnel drag the optical cable through designing the frame that receive and releases that has the walking wheel of a similar draw-bar box structure and coil and carry out laying of optical cable to alleviate operation personnel's health burden. In order to better realize quick laying of the optical cable, the power generated when the traveling wheels rotate is considered to be transmitted to the optical cable coil, so that the rotating power is improved for the optical cable coil, but the traveling wheels cannot be reused to provide power when the optical cable is required to be recovered, manual auxiliary wire take-up is often required, and the wire take-up process is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a gear commutator for receiving and releasing optical cable is provided, not only can realize that the optical cable coils corotation unwrapping wire when making the power transmission of walking wheel coil for the optical cable, can also switch into the optical cable and coil the reversal in order to receive the line, improve the efficiency of receiving the line greatly.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a gear commutator for receive and release optical cable, includes upper and lower both ends be equipped with open-ended casing, set up and be in be used for in the casing with walking wheel transmission be connected first driven sprocket and with the first driven shaft that first driven sprocket transmission is connected, install on the first driven shaft can rather than synchronous pivoted power gear, power gear can follow first driven shaft horizontal slip, power gear's both ends are equipped with left power teeth of a cogwheel and right power teeth of a cogwheel respectively, install the second driven shaft in the casing, install on the second driven shaft and can rather than synchronous pivoted intermediate gear, intermediate gear can with left power teeth of a cogwheel meshing, install the third driven shaft that is used for coiling for the optical cable and provides rotary power in the casing, install on the third driven shaft can rather than synchronous pivoted driven gear, driven gear's the left and right sides both ends are equipped with left driven teeth of a cogwheel and right driven teeth of a cogwheel respectively, the left driven gear teeth are meshed with the intermediate gear, when the left power gear teeth are meshed with the intermediate gear, the third driven shaft rotates forwards, the power gear is moved leftwards, the left power gear teeth can be separated from the intermediate gear, the right power gear teeth are meshed with the right driven gear teeth, and therefore the third driven shaft rotates backwards.

Further, first driven shaft is the hollow shaft, wear to be equipped with the movable rod in the inner chamber of first driven shaft, the left end of movable rod outwards stretches out, the right-hand member is equipped with the stopper, the stopper is worn to be equipped with movable rod mutually perpendicular's bolt, bar through-hole has been seted up along radial direction to first driven shaft, the both ends of bolt are stretched out and are inserted in the power gear from the both ends of bar through-hole respectively, the movable rod cover is equipped with compression spring, be equipped with the step face on the inner wall of first driven shaft, compression spring's left end supports the step face, the right-hand member supports the stopper, removes about the movable rod, can make the bolt drives power gear and removes about the bar through-hole.

Furthermore, the left end of the movable rod is sleeved with a bolt cap, the right end face of the bolt cap is provided with a limit insert block, a first limit slot and a second limit slot are correspondingly arranged on the left end surface of the first driven shaft, the depth of the first limit slot is greater than that of the second limit slot, when the left power gear tooth is meshed with the intermediate gear, the limit insert block is inserted into the bottom of the first limit slot, the bolt cap is pulled leftwards, the movable rod can be driven to move leftwards, and therefore the power gear moves leftwards, then the bolt cap is rotated to enable the limit inserting block to be inserted into the second limit inserting groove, so that the power gear is kept at a position disengaged from the middle gear, and the compression spring is further compressed, the bolt cap is pulled leftwards and rotated again, the limiting insertion block is aligned and inserted into the first limiting insertion groove, and the power gear can move rightwards under the action of the elastic force of the compression spring.

Further, the intermediate gear is movable along the second driven shaft so as to be disengageable from the left driven gear teeth.

Furthermore, a nut is arranged at the left end of the movable rod, the bolt cap comprises a bolt cap body covering the nut and a bolt cap cylinder body covering the movable rod, and the bolt cap cylinder body is inserted into the inner cavity of the first driven shaft and can move outwards along the inner cavity.

The beneficial effects of the utility model reside in that: when the power of the travelling wheel is transmitted to the first driven chain wheel, the first driven shaft can be driven to rotate, so that the power gear rotates, when the left power gear tooth is meshed with the intermediate gear, a power transmission mode of the power gear-the intermediate gear-the driven gear is formed, so that the forward rotation-reverse rotation-forward rotation direction transmission is realized, the third driven shaft is enabled to be forward rotated, so that the optical cable coil can be driven to be forward rotated, if the power gear is moved leftwards, the left power gear tooth can be separated from the intermediate gear, meanwhile, the right power gear tooth is meshed with the right driven gear tooth, so that a direct power transmission mode of the power gear-the driven gear is formed, the forward rotation-reverse rotation direction transmission is realized, so that the third driven shaft is enabled to be reverse rotated, so that the optical cable coil can be driven to be reverse rotated, when the gear commutator enables, the optical cable reel can be switched to be reversely rotated to take up wires, and the wire taking-up efficiency is greatly improved.

Drawings

Fig. 1 is a schematic view of a position relationship between a first driven shaft and a third driven shaft in an internal structure of an embodiment of the present invention;

fig. 2 is a schematic view showing a position structure of a second driven shaft in the internal structure of the gear reverser according to the embodiment.

The reference signs are:

1-shell 2-first driven chain wheel 3-first driven shaft

4-power gear 5-second driven shaft 6-intermediate gear

7-third driven shaft 8-driven gear 9-limiting block

10-plug pin 11-strip through hole 12-compression spring

13-bolt cap 14-limit inserting block 15-first limit slot

16-a second limit slot 17-a nut 18-a movable rod.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, a gear commutator for winding and unwinding an optical cable comprises a housing 1 with openings at the upper and lower ends, a first driven sprocket 2 arranged in the housing 1 and used for being in transmission connection with a traveling wheel, and a first driven shaft 3 in transmission connection with the first driven sprocket 2, wherein the first driven shaft 3 is provided with a power gear 4 capable of synchronously rotating with the first driven shaft, the power gear 4 can slide left and right along the first driven shaft 3, the two ends of the power gear 4 are respectively provided with a left power gear tooth and a right power gear tooth, the housing 1 is provided with a second driven shaft 5, the second driven shaft 5 is provided with an intermediate gear 6 capable of synchronously rotating with the second driven shaft 5, the intermediate gear 6 can be meshed with the left power gear tooth, the housing 1 is provided with a third driven shaft 7 for providing rotary power for coiling the optical cable, the third driven shaft 7 is provided with a driven gear 8 capable of synchronously rotating with, the left end and the right end of the driven gear 8 are respectively provided with a left driven gear tooth and a right driven gear tooth, the left driven gear tooth is meshed with the intermediate gear 6, when the left power gear tooth is meshed with the intermediate gear 6, the third driven shaft 7 rotates positively, the power gear 4 is moved leftwards, the left power gear tooth can be separated from the intermediate gear 6, the right power gear tooth is meshed with the right driven gear tooth, and therefore the third driven shaft 7 rotates reversely.

When the gear commutator for retracting and releasing optical cables provided by the above embodiment is applied to an optical cable retracting and releasing frame, after the power of the traveling wheels is transmitted to the first driven sprocket 2, the first driven shaft 3 can be driven to rotate, and then the power gear 4 can be driven to rotate, when the left power gear teeth are meshed with the intermediate gear 6, the power transmission mode of the power gear 4-the intermediate gear 6-the driven gear 8 is formed, so that the forward rotation-reverse rotation-forward rotation direction transmission is realized, and the third driven shaft 7 is rotated forward, so that the optical cable can be driven to rotate forward, if the power gear 4 is moved leftward, the left power gear teeth can be separated from the intermediate gear 6, and meanwhile, the right power gear teeth are meshed with the right driven gear teeth, and then the direct power transmission mode of the power gear 4-the driven gear 8 is formed, so that the forward rotation-reverse rotation direction transmission, the cable can be driven to be coiled reversely, the gear reverser can not only realize forward rotation and pay-off of the cable coil when the power of the travelling wheel is transmitted to the cable coil, but also can be switched into reverse rotation of the cable coil to take up the cable, and the take-up efficiency is greatly improved.

Further, to how to realize the removal of power gear 4, it is concrete, can set up first driven shaft 3 and be the hollow shaft, wear to be equipped with movable rod 18 in the inner chamber of first driven shaft 3, the left end of movable rod 18 stretches out outwards, the right-hand member is equipped with stopper 9, stopper 9 wears to be equipped with 18 mutually perpendicular's of movable rod bolt 10, bar through-hole 11 has been seted up along radial direction to first driven shaft 3, the both ends of bolt 10 stretch out and insert power gear 4 from the both ends of bar through-hole 11 respectively, movable rod 18 cover is equipped with compression spring 12, be equipped with the step face on the inner wall of first driven shaft 3, the left end of compression spring 12 supports the step face, the right-hand member supports stopper 9, remove movable rod 18 about, can make bolt 10 drive power gear 4 remove about bar through-hole.

Wherein, a bolt cap 13 can be sleeved at the left end of the movable rod 18, a limit insert block 14 is arranged at the right end face of the bolt cap 13, a first limit slot 15 and a second limit slot 16 are correspondingly arranged at the left end face of the first driven shaft 3, the depth of the first limit slot 15 is larger than that of the second limit slot 16, when the left power gear tooth is meshed with the intermediate gear 6, the limit insert block 14 is inserted into the bottom of the first limit slot 15, the bolt cap 13 is pulled leftwards, the movable rod 18 can be driven to move leftwards, the power gear 4 can be driven to move leftwards, then the bolt cap 13 is rotated, the limit insert block 14 can be inserted into the second limit slot 16, the power gear 4 can be kept at a position where the power gear is disengaged from the intermediate gear 6, the compression spring 12 is further compressed, the bolt cap 13 is pulled leftwards again and rotated, the limit insert block 14 is aligned and inserted into the first limit slot 15, the power gear 4 can be driven to move rightwards under the elastic force of the compression spring 12, therefore, the meshing state of the power gear 4 and the intermediate gear 6 is recovered, the structure is convenient for personnel to operate, and the reversing work of the gear reverser can be quickly realized only by simple operations such as shifting, rotating and the like.

In addition, in the present embodiment, the intermediate gear 6 may be disposed to be movable along the second driven shaft 5 so as to be disengaged from the left driven gear teeth, and as for how to realize the movement of the intermediate gear 6, as shown in fig. 2, the principle and structure thereof can be realized by directly referring to how to move the power gear 4, and the same structure can be adopted. And to intermediate gear 6 can realize the effect that removes and lie in making it cut off the power transmission between power gear 4 and the driven gear 8, like this when the position of power gear 4 is in to pushing away to leaning on right (namely the position that the right power teeth of a cogwheel and the right driven teeth of a cogwheel break away from the meshing) by compression spring 12, the right power teeth of a cogwheel of power teeth 4 and the left power teeth of a cogwheel all can not transmit power for driven gear 8, thereby the source of the rotary power of the complete cutting optical cable book, let the optical cable book stall, when as the war finishes or after the cable is received, receive and release optical cable, when work such as winding displacement all can temporarily stop, also can drag the smooth walking of receive and release frame.

Preferably, the nut 17 is provided at the left end of the movable rod 18, and the cap 13 includes a cap body covering the nut 17 and a cap cylinder covering the movable rod 18, and the cap cylinder is inserted into and moved outward along the inner cavity of the first driven shaft 3, which makes the cap 13 more stable.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims

1. A gear commutator for receive and release optical cable which characterized in that: including upper and lower both ends be equipped with open-ended casing (1), set up be in casing (1) in be used for with walking drive be connected first driven sprocket (2) and with first driven shaft (3) that first driven sprocket (2) transmission is connected, install on first driven shaft (3) can be rather than synchronous pivoted power gear (4), first driven shaft (3) horizontal slip can be followed in power gear (4), the both ends of power gear (4) are equipped with left power teeth of a cogwheel and right power teeth of a cogwheel respectively, install second driven shaft (5) in casing (1), install on second driven shaft (5) and can be rather than synchronous pivoted intermediate gear (6), intermediate gear (6) can with left power teeth of a cogwheel meshing, install in casing (1) and be used for coiling for the optical cable and provide rotary power's third driven shaft (7), install on third driven shaft (7) can be rather than synchronous pivoted driven gear (8), both ends are equipped with left driven teeth of a cogwheel and right driven teeth of a cogwheel respectively about driven gear (8), left side driven teeth of a cogwheel and intermediate gear (6) meshing, work as when left side power teeth of a cogwheel and intermediate gear (6) meshing, third driven shaft (7) corotation is removed left power gear (4) can make left side power teeth of a cogwheel break away from intermediate gear (6), and make right side power teeth of a cogwheel and right driven teeth of a cogwheel meshing, thereby make third driven shaft (7) reversal.

2. The gear commutator for retracting and releasing an optical cable according to claim 1, wherein: the first driven shaft (3) is a hollow shaft, a movable rod (18) penetrates through the inner cavity of the first driven shaft (3), the left end of the movable rod (18) extends outwards, the right end is provided with a limit block (9), a bolt (10) which is vertical to the movable rod (18) is arranged in the limiting block (9) in a penetrating way, the first driven shaft (3) is provided with a strip-shaped through hole (11) along the radial direction, two ends of the bolt (10) respectively extend out of two ends of the strip-shaped through hole (11) and are inserted into the power gear (4), the movable rod (18) is sleeved with a compression spring (12), the inner wall of the first driven shaft (3) is provided with a step surface, the left end of the compression spring (12) is propped against the step surface, the right end is propped against the limiting block (9), the movable rod (18) is moved left and right, the bolt (10) can drive the power gear (4) to move left and right along the strip-shaped through hole (11).

3. The gear commutator for retracting and releasing an optical cable according to claim 2, wherein: the left end of the movable rod (18) is sleeved with a bolt cap (13), the right end face of the bolt cap (13) is provided with a limiting insertion block (14), the left end face of the first driven shaft (3) is correspondingly provided with a first limiting insertion groove (15) and a second limiting insertion groove (16), the depth of the first limiting insertion groove (15) is larger than that of the second limiting insertion groove (16), when the left power gear tooth is meshed with the intermediate gear (6), the limiting insertion block (14) is inserted into the bottom of the first limiting insertion groove (15), the bolt cap (13) is pulled leftwards, the movable rod (18) can be driven to move leftwards, so that the power gear (4) can move leftwards, then the bolt cap (13) is rotated, the limiting insertion block (14) can be inserted into the second limiting insertion groove (16), and the power gear (4) can be kept at a position where the bolt cap is disengaged from the intermediate gear (6), and further compressing the compression spring (12), pulling and rotating the bolt cap (13) leftwards again to align the limit inserting block (14) and insert the limit inserting block into the first limit inserting groove (15), so that the power gear (4) can move rightwards under the action of the elastic force of the compression spring (12).

4. The gear commutator for retracting and releasing an optical cable according to claim 3, wherein: the intermediate gear (6) is movable along the second driven shaft (5) so as to be disengageable from the left driven gear teeth.

5. The gear commutator for retracting and releasing an optical cable according to claim 4, wherein: the left end of the movable rod (18) is provided with a nut (17), the bolt cap (13) comprises a bolt cap body sleeved on the nut (17) and a bolt cap cylinder body sleeved on the movable rod (18), and the bolt cap cylinder body is inserted into the inner cavity of the first driven shaft (3) and can move outwards along the inner cavity.