CN210973432U - Walking type field operation optical cable winding and unwinding frame - Google Patents

Abstract

Walking type field operations optical cable receive and releases frame, relate to field operations equipment technical field, it includes the walking frame, the bottom of walking frame is equipped with the walking wheel, the top is equipped with the pull rod that is used for holding, be equipped with left cable dish back shaft and right cable dish back shaft that is used for installing the optical cable and coils, left cable dish back shaft can coil synchronous rotation with the optical cable, the walking wheel passes through the clutch and is connected with a gear commutator transmission, thereby gear commutator and left cable dish back shaft transmission are connected and the accessible switching-over changes the rotation direction of left cable dish back shaft and makes the optical cable realize corotation or reversal, be equipped with the separation and reunion handle that connects clutch and be used for controlling the clutch separation and reunion on the pull rod. The utility model discloses can be dragged and go forward, thereby provide power through the rotation of walking wheel self and realize the action that receive and releases that the optical cable was coiled, and then make laying and retrieving the operation of optical cable can reach and need not to use the electric energy and the effect that very big degree alleviateed the personnel's of fighting health burden.

Description

Walking type field operation optical cable winding and unwinding frame

Technical Field

The utility model relates to a field operations equipment technical field especially indicates a walking field operations optical cable receive and releases frame.

Background

The field operation optical cable winding and unwinding operation is an important work in field operations, and an operator usually carries the optical cable on the back or rapidly moves the optical cable in a portable mode to rapidly lay or recover the optical cable, but the optical cable is generally long, so that the optical cable coil has a considerable weight, and the body of the operator has to bear a large burden.

Chinese patent CN208008170U discloses a cable winch with a cable arrangement device, which is used for cable output during field emergency operation, and can automatically and uniformly wind cables on the cable winch by being installed on a mobile power vehicle, because the cables need to be wound up and wound up by power provided by electric energy when being wound and unwound, if some vehicles are out of control or the electric power system is damaged, the winding and unwinding equipment fails, so that the cable laying operation cannot be normally performed, which is a fatal hidden danger for field operations or emergency operations, even if the cable winch works under normal conditions, the cable winch not only needs to additionally arrange structures such as installation and positioning on the vehicle, increases cost and occupies vehicle space, but also hinders the cable recovery when some optical cables are irregularly laid or blocked, the take-up efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a walking field operations optical cable receive and releases frame is provided, and the operation personnel can drag it and go forward, thereby provide the action that receive and releases that power realized that the optical cable is coiled through the rotation of walking wheel self, and then make laying and retrieving the operation of optical cable can reach and need not to use the electric energy and the effect that very big degree alleviates operation personnel health burden.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a walking field operations optical cable receive and releases frame, includes the walking frame, the bottom of walking frame is equipped with walking wheel, top is equipped with the pull rod that is used for holding, be equipped with left cable dish back shaft and right cable dish back shaft that is used for installing the optical cable to coil on the walking frame, left side cable dish back shaft can be coiled synchronous rotation with the optical cable, the walking wheel passes through the clutch and is connected with a gear commutator transmission, thereby gear commutator and left cable dish back shaft transmission are connected and the rotation direction of accessible switching-over change left cable dish back shaft makes the optical cable coil and realize corotation or reversal, be equipped with the separation and reunion handle who connects clutch and be used for controlling the clutch separation and reunion on the pull rod.

Further, install polished rod winding displacement ware on the walking frame, gear commutator passes through chain drive with polished rod winding displacement ware and is connected, polished rod winding displacement ware includes the polished rod and can follow the optical cable guide pulley group that the polished rod is reciprocating motion, thereby the optical cable guide pulley group is used for supplying the optical cable to pass and plays the guide effect.

Furthermore, the quantity of walking wheel is two, is connected with the power shaft between two walking wheels, the annular is provided with the round spacing groove on the power shaft outer wall, power bearing is equipped with to the spacing groove rotationally the cover, power bearing fixed mounting can be rather than synchronous pivoted drive sprocket, drive sprocket passes through first driving chain and is connected with gear commutator transmission, the clutch can make the power transmission of power shaft to drive sprocket or separate with drive sprocket.

Furthermore, the clutch comprises a V-shaped linkage rod hinged to the walking frame, a clutch wire connecting the upper end of the V-shaped linkage rod and the clutch handle, and a follower disk mounted on the power shaft, wherein a convex key is fixedly arranged on the inner wall surface of the follower disk, a key groove is correspondingly arranged on the power shaft, the convex key is clamped in the key groove so as to enable the follower disk and the power bearing to synchronously rotate, the convex key can slide along the key groove, a convex part is fixedly arranged at the right end of the transmission chain wheel, a clamping groove for clamping the convex part is arranged at the left end surface of the follower disk, an elastic clamping sleeve is fixedly arranged on the inner wall surface of the clamping groove, a clutch spring is sleeved on the power shaft, the right end of the clutch spring is fixed on the power shaft, the left end of the clutch spring pushes against the follower disk so as to enable the follower disk to clamp the transmission chain wheel to the left side, the lower end of the V-shaped linkage rod can be rightwards abutted against a clutch plate, the clutch line can pull the upper end of the V-shaped linkage rod by pressing the clutch handle, so that the lower end of the V-shaped linkage rod is rightwards abutted against the clutch plate, the follow-up disc is separated from the transmission chain wheel, the clutch spring is compressed at the moment, the clutch handle is loosened, and under the elastic force action of the clutch spring, the follow-up disc moves leftwards to clamp the transmission chain wheel and drive the transmission chain wheel to synchronously rotate.

Furthermore, the gear commutator comprises a shell, a first driven sprocket and a first driven shaft, wherein the shell is provided with an opening at the upper end and the lower end, the first driven sprocket is arranged in the shell and is connected with the transmission of the transmission sprocket, the first driven shaft is connected with the first driven shaft in a transmission way, the first driven shaft is provided with a power gear which can synchronously rotate with the first driven shaft, the power gear can slide left and right along the first driven shaft, the two ends of the power gear are respectively provided with a left power gear tooth and a right power gear tooth, the shell is internally provided with a second driven shaft, the second driven shaft is provided with an intermediate gear which can synchronously rotate with the second driven shaft, the intermediate gear can be meshed with the left power gear tooth, the shell is internally provided with a third driven shaft which is coaxially and fixedly connected with the left cable disc supporting shaft, the third driven shaft is provided with a driven gear and a second driven sprocket which can synchronously rotate with the third driven shaft, the left end and the right end of the driven gear 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, when the left power gear tooth is meshed with the intermediate gear, the third driven shaft rotates positively to move the power gear leftwards, so that the left power gear tooth can be separated from the intermediate gear, and the right power gear tooth is meshed with the right driven gear tooth, so that the third driven shaft rotates reversely.

Further, first driven shaft is the hollow shaft, wear to be equipped with mobilizable 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.

Preferably, the cross section of the right part of the left cable reel supporting shaft is in a polygonal shape matched with the positioning hole at the left end of the optical cable reel, the right cable reel supporting shaft comprises a supporting block arranged on the walking frame and a movable elastic pulling pin horizontally penetrating through the supporting block, and the left end of the elastic pulling pin extends out of the left end of the supporting block and is used for being inserted into the positioning hole at the right end of the optical cable reel.

More preferably, a sponge block for cleaning the optical cable is arranged in the optical cable guide wheel set.

More preferably, the pull rod is a telescopic pull rod, and the front end face and the left and right end faces of the walking frame are wrapped with canvas.

The beneficial effects of the utility model reside in that: after the optical cable coil is arranged on the left cable drum supporting shaft and the right cable drum supporting shaft of the walking frame, the optical cable laying operation can be started, specifically, a fighter can hold the pull rod and drag the walking frame to move forward, power generated when the walking wheels rotate is transmitted to the left cable drum supporting shaft through the clutch and the gear commutator, so that the left cable drum supporting shaft drives the optical cable coil to synchronously rotate, thereby realizing quick paying-off, when the optical cable is taken up, the left cable drum supporting shaft can drive the optical cable to reversely rotate by adjusting the gear commutator, thereby realizing quick take-up, when a clutch handle is pressed, the power transmission between the left cable drum supporting shaft and the walking wheels can be cut off, so that the optical cable coil can stop paying-off and paying-off in the moving process if necessary, the walking type field optical cable take-up and pay-off frame is completely made of mechanical structures and parts, and the laying and recycling operation of the optical cable can achieve the effect of not using electric, and because the heavy optical cable coil is arranged on the walking frame and dragged and moved, the physical burden of the fighter can be greatly reduced.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a walking frame in the embodiment;

FIG. 3 is a schematic structural diagram of a power shaft and a clutch in an embodiment;

FIG. 4 is a schematic diagram showing a positional relationship between a first driven shaft and a third driven shaft in an internal structure of the gear commutator in the embodiment;

FIG. 5 is a schematic view showing a position structure of a second driven shaft in an internal structure of the gear commutator in the embodiment;

FIG. 6 is a schematic structural view of a right drum support shaft in the embodiment;

fig. 7 is a schematic structural diagram of a cable guide pulley set in the embodiment.

The reference signs are:

1-walking frame 2-walking wheel 3-pull rod

4 a-left cable drum supporting shaft 4 b-right cable drum supporting shaft 5-clutch handle

6-clutch 6 a-V-shaped linkage rod 6 b-clutch line

6c follow-up disk 6d clutch spring 6e clutch plate

6 f-clamp groove 6 g-elastic clamp sleeve 7-polished rod traverse unit

7 a-polished rod 7 b-optical cable guide wheel group 7 c-sponge block

8-power shaft 9-power bearing 10-driving chain wheel

10 a-convex part 11-first transmission chain 12-shell

12 a-first driven chain wheel 12 b-first driven shaft 12 c-power gear

12 d-second driven shaft 12 e-intermediate gear 12 f-third driven shaft

12 g-driven gear 12 h-second driven chain wheel 12 i-second transmission chain

13a, a movable rod 13b, a limit block 13c and a bolt

13 d-compression spring 13 e-strip through hole 13 f-bolt cap

13 g-limit inserting block 13 h-first limit slot 13 i-second limit slot

14 a-supporting block 14 b-elastic pull pin 15-canvas.

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, the walking type field operation optical cable winding and unwinding frame comprises a walking frame 1, wherein walking wheels 2 are arranged at the bottom of the walking frame 1, a pull rod 3 used for holding is arranged at the top of the walking frame 1, a left cable drum supporting shaft 4a and a right cable drum supporting shaft 4b used for installing an optical cable drum are arranged on the walking frame 1, the left cable drum supporting shaft 4a can rotate synchronously with the optical cable drum, the walking wheels 2 are in transmission connection with a gear commutator through a clutch 6, the gear commutator is in transmission connection with the left cable drum supporting shaft 4a and can change the rotation direction of the left cable drum supporting shaft 4a through commutation so as to enable the optical cable drum to rotate forwards or backwards, and a clutch handle 5 connected with the clutch 6 and used for controlling the clutch of the clutch 6 is.

When the walking type field operation optical cable reel holder provided by the embodiment is used, firstly, an optical cable reel (not shown in the attached drawing) can be installed on the left cable reel supporting shaft 4a and the right cable reel supporting shaft 4b of the walking frame 1, then, the optical cable laying operation can be started, specifically, an operator can hold the pull rod 3 and drag the walking frame 1 to advance, power generated when the walking wheel 2 rotates is transmitted to the left cable reel supporting shaft 4a through the clutch 6 and the gear reverser, so that the left cable reel supporting shaft 4a drives the optical cable reel to synchronously rotate, thereby realizing rapid paying-off, when the optical cable is taken up, the left cable reel supporting shaft 4a can drive the optical cable reel to reversely rotate by adjusting the gear reverser, thereby realizing rapid paying-off, when the clutch handle 5 is pressed, the power transmission between the left cable reel supporting shaft 4a and the walking wheel 2 can be cut off, so that the optical cable reel can be stopped paying-off in the moving process if necessary, this walking field operations optical cable receive and releases frame adopts mechanical structure and part to make completely for the laying and the recovery operation of optical cable can reach the effect that need not to use electric energy and expensive instrument and equipment, and because heavy optical cable is coiled and is adorned on walking frame 1 and is dragged the removal, consequently can very big degree alleviate the personnel's of battle physical burden.

Further, can install polished rod winding displacement ware 7 on walking frame 1, gear commutator passes through chain drive with polished rod winding displacement ware 7 and is connected, polished rod winding displacement ware 7 includes polished rod 7a and can be along polished rod 7a to be reciprocating motion's optical cable guide pulley group 7b, thereby optical cable guide pulley group 7b is used for supplying the optical cable to pass and plays the guide effect, thereby can pass the optical cable guide pulley group 7b of polished rod winding displacement ware 7 with the one end of optical cable during the use, because polished rod winding displacement ware 7's effect, the optical cable is guided to evenly twining in coiling, realize receiving the line in order.

It should be noted that, above-mentioned polished rod winding displacement 7 is as the current device common on the market, and its theory of operation is known by technical personnel in the field, can drive optical cable guide pulley group 7b when mainly being polished rod 7a rotates and follow polished rod 7a left and right sides reciprocating motion, because this structure belongs to prior art and is not the utility model point of this application, therefore do not give unnecessary details here, and polished rod winding displacement 7 homoenergetic that adopts one of them mechanical structure formula wantonly can be applied to in this scheme, thereby only need make polished rod and gear commutator transmission be connected and obtain pivoted power can.

Further, the number of the walking wheels 2 is two, a power shaft 8 is connected between the two walking wheels 2, as shown in fig. 3, a circle of limiting groove is annularly arranged on the outer wall of the power shaft 8, a power bearing 9 is rotatably sleeved on the limiting groove, a transmission chain wheel 10 capable of synchronously rotating with the power bearing 9 is fixedly installed on the power bearing 9, the transmission chain wheel 10 is in transmission connection with a gear commutator through a first transmission chain 11, when the clutch handle 5 is loosened, the clutch 6 can transmit the power of the power shaft 8 to the transmission chain wheel 10, when the clutch handle 5 is pressed, the clutch 6 can separate the power transmission between the power shaft 8 and the transmission chain wheel 10, and as the power shaft 8 and the transmission chain wheel 10 are not directly connected, the power bearing 9 is only sleeved on the power shaft 8, so that the transmission chain wheel 10 loses power.

On the basis, as shown in fig. 3, the structure of the clutch 6 specifically includes a V-shaped linkage rod 6a hinged to the traveling frame 1, a clutch line 6b connecting the upper end of the V-shaped linkage rod 6a with the clutch handle 5, and a follower disk 6c mounted on the power shaft 8, a convex key is fixedly disposed on the inner wall surface of the follower disk 6c, a key slot is correspondingly disposed on the power shaft 8, the convex key is clamped in the key slot so as to enable the follower disk 6c to rotate synchronously with the power bearing 9, the convex key can slide along the key slot, a convex portion 10a is fixedly disposed at the right end of the driving sprocket 10, a clamping slot 6f for clamping the convex portion 10a is disposed at the left end surface of the follower disk 6c, an elastic clamping sleeve 6g is fixedly disposed on the inner wall surface of the clamping slot 6f, a clutch spring 6d is sleeved on the power shaft 8, the right end of the clutch spring 6d is fixed on the power shaft 8, and the left end pushes against the follower disk 6c, the right end of the follow-up disc 6c is annularly and fixedly provided with a clutch plate 6e, the lower end of the V-shaped linkage rod 6a can be rightwards abutted against the clutch plate 6e, the clutch handle 5 is pressed to enable the clutch wire 6b to pull the upper end of the V-shaped linkage rod 6a, further the lower end of the V-shaped linkage rod 6a is rightwards abutted against the clutch plate 6e, so that the follow-up disc 6c is separated from the driving chain wheel 10, at the moment, the clutch spring 6d is compressed to release the clutch handle 5, under the elastic action of the clutch spring 6d, the follow-up disc 6c moves leftwards to clamp the driving chain wheel 10 and drive the driving chain wheel 10 to synchronously rotate, and under the elastic action of the clutch spring 6d and the elastic clamping sleeve 6g, the clamping groove 6f of the follow-up disc 6c can firmly clamp the convex part 10a of the driving chain wheel 10, so that the.

Wherein, the structure of follower 6c left end face also can make the annular be provided with protruding thereby make follower 6c left end face middle part form draw-in groove 6f, and elastic ferrule 6g then can set up to annular and the annular has seted up little draw-in groove and is used for blocking the arch, so the installation is comparatively convenient.

Further, as shown in fig. 4-5, the gear reverser includes a housing 12 having openings at upper and lower ends, a first driven sprocket 12a disposed in the housing 12 and in transmission connection with the transmission sprocket 10, and a first driven shaft 12b in transmission connection with the first driven sprocket 12a, the first driven shaft 12b is provided with a power gear 12c capable of rotating synchronously therewith, the power gear 12c is capable of sliding left and right along the first driven shaft 12b, both ends of the power gear 12c are respectively provided with left and right power gear teeth, the housing 12 is provided with a second driven shaft 12d, the second driven shaft 12d is provided with an intermediate gear 12e capable of rotating synchronously therewith, the intermediate gear 12e is capable of meshing with the left power gear teeth, the housing 12 is provided with a third driven shaft 12f coaxially and fixedly connected with the left cable tray support shaft 4a, the third driven shaft 12f is provided with a driven gear 12g and a second driven sprocket 12h capable of rotating synchronously therewith, the second driven sprocket 12h is connected with the polished rod traverse 7 by chain transmission, the left and right ends of the driven gear 12g are respectively provided with left driven gear teeth and right driven gear teeth, the left driven gear teeth are meshed with the intermediate gear 12e, when the left power gear teeth are meshed with the intermediate gear 12e in the process of walking of the walking wheel 2, a power transmission mode of the power gear 12 c-the intermediate gear 12 e-the driven gear 12g is formed, so that the forward rotation-reverse rotation-forward rotation direction transmission is realized, the third driven shaft 12f is rotated forward, the left cable reel supporting shaft 4a can drive the optical cable reel to rotate forward, if the power gear 12c is moved leftward, the left power gear teeth can be separated from the intermediate gear 12e, meanwhile, the right power gear teeth are meshed with the right driven gear teeth, and a direct power transmission mode of the power gear 12 c-the driven gear 12g is formed, therefore, the forward rotation and reverse rotation direction transmission is realized, the third driven shaft 12f is enabled to rotate reversely, and therefore the left cable reel supporting shaft 4a can drive the optical cable reel to rotate reversely.

In the above-described construction of the gear reverser, as to how the movement of the power gear 12c is effected, more specifically, the first driven shaft 12b can be a hollow shaft, a movable rod 13a is arranged in the inner cavity of the first driven shaft 12b in a penetrating way, the left end of the movable rod 13a extends outwards, the right end is provided with a limit block 13b, a bolt 13c which is perpendicular to the movable rod 13a is arranged in the limit block 13b in a penetrating way, the first driven shaft 12b is provided with a strip-shaped through hole 13e along the radial direction, two ends of the bolt 13c respectively extend out from two ends of the strip-shaped through hole 13e and are inserted into the power gear 12c, the movable rod 13a is sleeved with a compression spring 13d, a step surface is arranged on the inner wall of the first driven shaft 12b, the left end of the compression spring 13d abuts against the step surface, the right end of the compression spring abuts against the limiting block 13b, the movable rod 13a is pulled and pushed leftwards and rightwards, and the bolt 13c can drive the power gear 12c to move leftwards and rightwards along the strip-shaped through hole 13 e.

Wherein, a bolt cap 13f can be sleeved at the left end of the movable rod 13a, a limit insert block 13g is arranged at the right end surface of the bolt cap 13f, a first limit slot 13h and a second limit slot 13i are correspondingly arranged at the left end surface of the first driven shaft 12b, the depth of the first limit slot 13h is larger than that of the second limit slot 13i, when the left power gear tooth is meshed with the intermediate gear 12e, the limit insert block 13g is inserted at the bottom of the first limit slot 13h, the bolt cap 13f is pulled leftwards, the movable rod 13a can be driven to move leftwards, so that the power gear 12c moves leftwards, then the bolt cap 13f is rotated, the limit insert block 13g can be inserted into the second limit slot 13i, so that the power gear 12c is kept away from the meshing position with the intermediate gear 12e, the compression spring 13d is further compressed, if the bolt cap 13f is pulled leftwards again and rotated, make spacing inserted block 13g align and insert first spacing slot 13h, can make power gear 12c move to the right under compression spring 13 d's elasticity effect to resume power gear 12c and intermediate gear 12 e's engaged state, this structure has made things convenient for personnel's operation, only needs simple operations such as pulling, rotation just can realize gear commutator's switching-over work fast.

In addition, in the present embodiment, the intermediate gear 12e may be disposed to be movable along the second driven shaft 12d so as to be disengaged from the left driven gear teeth, and as for how to realize the movement of the intermediate gear 12e, as shown in fig. 5, the principle and structure thereof can be realized by directly referring to how the power gear 12c is moved, and the same structure can be adopted. And the middle gear 12e can be moved to cut off the power transmission between the power gear 12c and the driven gear 12g, so that when the position of the power gear 12c is pushed to the right side (namely the position where the right power gear tooth is disengaged from the right driven gear tooth) by the compression spring 13d, the right power gear tooth and the left power gear tooth of the power gear tooth 12c cannot transmit power to the driven gear 12g, thereby completely cutting off the power of the left cable reel supporting shaft 4a, stopping the rotation of the optical cable reel, and dragging the winding and unwinding frame to walk smoothly when the operations of winding and unwinding the optical cable, winding and the like can be stopped temporarily after the battle is finished or the winding is finished.

Preferably, the right portion of the left reel support shaft 4a has a polygonal cross section matching with the positioning hole at the left end of the optical cable reel, the right reel support shaft 4b has a structure as shown in fig. 6, and includes a support block 14a mounted on the traveling frame 1 and an elastic pull pin 14b horizontally penetrating the support block 14a and movable, and the left end of the elastic pull pin 14b extends from the left end of the support block 14a and is used for being inserted into the positioning hole at the right end of the optical cable reel.

More preferably, as shown in fig. 7, a sponge block 7c for cleaning the optical cable is further provided in the optical cable guide wheel set 7b, and the optical cable passes between the guide wheels and is adhered by the sponge block, so as to clean dust and dirt on the optical cable.

In addition, the pull rod 3 is a telescopic pull rod, the specific structure can refer to a luggage case pull rod, the pull rod can be pulled up and down, the use and the retraction are convenient, the space occupation is reduced, and the front end face and the left and right end faces of the walking frame 1 can be coated with canvas 15 so as to protect the device structure and the optical cable coil in the walking frame 1 to a certain degree.

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 (10)

1. Walking type field operation optical cable winding and unwinding frame is characterized in that: including walking frame (1), the bottom of walking frame (1) is equipped with walking wheel (2), top is equipped with pull rod (3) that are used for holding, be equipped with on walking frame (1) and be used for installing left cable dish back shaft (4 a) and right cable dish back shaft (4 b) that the optical cable was coiled, left side cable dish back shaft (4 a) can be coiled synchronous rotation with the optical cable, walking wheel (2) are connected with a gear commutator transmission through clutch (6), thereby gear commutator is connected and the rotation direction of accessible switching-over change left cable dish back shaft (4 a) makes the optical cable coil and realize corotation or reversal, be equipped with on pull rod (3) and connect clutch (6) and be used for clutch (5) of control clutch (6) separation and reunion.

2. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 1, wherein: install polished rod winding displacement ware (7) on walking frame (1), gear commutator passes through chain drive with polished rod winding displacement ware (7) and is connected, polished rod winding displacement ware (7) include polished rod (7 a) and can follow polished rod (7 a) and be reciprocating motion's optical cable guide pulley group (7 b), thereby optical cable guide pulley group (7 b) are used for supplying the optical cable to pass and play the guide effect.

3. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 2, wherein: the quantity of walking wheel (2) is two, is connected with power shaft (8) between two walking wheels (2), the ring-shaped is provided with the round spacing groove on power shaft (8) outer wall, power bearing (9) are equipped with to the spacing groove rotationally the cover, power bearing (9) fixed mounting have can be rather than synchronous pivoted drive sprocket (10), drive sprocket (10) are connected with the gear commutator transmission through first driving chain (11), clutch (6) can make the power transmission of power shaft (8) to drive sprocket (10) or with drive sprocket (10) separation.

4. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 3, wherein: the clutch (6) comprises a V-shaped linkage rod (6 a) hinged to the walking frame (1), a clutch line (6 b) connecting the upper end of the V-shaped linkage rod (6 a) and the clutch handle (5), and a follower disk (6 c) mounted on the power shaft (8), wherein a convex key is fixedly arranged on the inner wall surface of the follower disk (6 c), a key groove is correspondingly arranged on the power shaft (8), the convex key is clamped in the key groove so that the follower disk (6 c) and the power bearing (9) synchronously rotate, the convex key can slide along the key groove, a convex part (10 a) is fixedly arranged at the right end of the transmission chain wheel (10), a clamping groove (6 f) used for clamping the convex part (10 a) is arranged on the left end surface of the follower disk (6 c), an elastic clamping sleeve (6 g) is fixedly arranged on the inner wall surface of the clamping groove (6 f), and a clutch spring (6 d) is sleeved on the power shaft (8), the right end of the clutch spring (6 d) is fixed on the power shaft (8), the left end pushes against the follower disc (6 c) so that the follower disc (6 c) clamps the transmission chain wheel (10) to the left and drives the transmission chain wheel (10) to synchronously rotate, the right end of the follower disc (6 c) is annularly and fixedly provided with a clutch plate (6 e), the lower end of the V-shaped linkage rod (6 a) can push against the clutch plate (6 e) rightwards, the clutch handle (5) is pressed so that the clutch wire (6 b) pulls the upper end of the V-shaped linkage rod (6 a) and further the lower end of the V-shaped linkage rod (6 a) pushes against the clutch plate (6 e) rightwards, so that the follower disc (6 c) is separated from the transmission chain wheel (10), at the moment, the clutch spring (6 d) is compressed, the clutch handle (5) is loosened, and under the elastic action of the clutch spring (6 d), the follow-up disc (6 c) moves leftwards to clamp the transmission chain wheel (10) and drives the transmission chain wheel (10) to rotate synchronously.

5. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 4, wherein: the gear reverser comprises a shell (12) with openings at the upper and lower ends, a first driven chain wheel (12 a) arranged in the shell (12) and in transmission connection with a transmission chain wheel (10) and a first driven shaft (12 b) in transmission connection with the first driven chain wheel (12 a), a power gear (12 c) capable of synchronously rotating with the first driven shaft (12 b) is arranged on the first driven shaft (12 b), the power gear (12 c) can slide left and right along the first driven shaft (12 b), left and right power gear teeth are respectively arranged at the two ends of the power gear (12 c), a second driven shaft (12 d) is arranged in the shell (12), an intermediate gear (12 e) capable of synchronously rotating with the second driven shaft (12 d) is arranged on the second driven shaft (12 d), the intermediate gear (12 e) can be meshed with left power gear teeth, a third driven shaft (12 f) coaxially and fixedly connected with a left cable disc support shaft (4 a) is arranged in the shell (12), install on third driven shaft (12 f) can be rather than synchronous pivoted driven gear (12 g) and second driven sprocket (12 h), second driven sprocket (12 h) are connected through second driving chain (12 i) with polished rod winding displacement ware (7), both ends are equipped with left driven teeth of a cogwheel and right driven teeth of a cogwheel respectively about driven gear (12 g), left side driven teeth of a cogwheel and intermediate gear (12 e) meshing, work as when left side power teeth of a cogwheel and intermediate gear (12 e) meshing, third driven shaft (12 f) corotation moves left power gear (12 c), can make left side teeth of a cogwheel power breaks away from intermediate gear (12 e), and makes right side power teeth of a cogwheel and right driven teeth of a cogwheel meshing, thereby makes third driven shaft (12 f) reversal.

6. The walking field operations optical cable pay-off and take-up rack of claim 5, wherein: the first driven shaft (12 b) is a hollow shaft, a movable rod (13 a) penetrates through an inner cavity of the first driven shaft (12 b), the left end of the movable rod (13 a) extends outwards, the right end of the movable rod (13 a) is provided with a limiting block (13 b), a bolt (13 c) perpendicular to the movable rod (13 a) penetrates through the limiting block (13 b), the first driven shaft (12 b) is provided with a strip-shaped through hole (13 e) along the radial direction, two ends of the bolt (13 c) respectively extend out of two ends of the strip-shaped through hole (13 e) and are inserted into a power gear (12 c), the movable rod (13 a) is sleeved with a compression spring (13 d), a step surface is arranged on the inner wall of the first driven shaft (12 b), the left end and the right end of the compression spring (13 d) abut against the limiting block (13 b), and the movable rod (13 a) moves left and right, the bolt (13 c) can drive the power gear (12 c) to move left and right along the strip-shaped through hole (13 e).

7. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 6, wherein: a bolt cap (13 f) is sleeved at the left end of the movable rod (13 a), a limiting insertion block (13 g) is arranged at the right end face of the bolt cap (13 f), a first limiting insertion groove (13 h) and a second limiting insertion groove (13 i) are correspondingly arranged at the left end face of the first driven shaft (12 b), the depth of the first limiting insertion groove (13 h) is larger than that of the second limiting insertion groove (13 i), when the left power gear tooth is meshed with the intermediate gear (12 e), the limiting insertion block (13 g) is inserted into the bottom of the first limiting insertion groove (13 h), the bolt cap (13 f) is pulled leftwards, the movable rod (13 a) can be driven to move leftwards, so that the power gear (12 c) moves leftwards, then the bolt cap (13 f) is rotated, the limiting insertion block (13 g) can be inserted into the second limiting insertion groove (13 i), and the power gear (12 c) can be kept at a position where the limiting insertion block is disengaged from the intermediate gear (12 e), and further compressing the compression spring (13 d), pulling and rotating the bolt cap (13 f) leftwards again to align the limit inserting block (13 g) and insert the limit inserting block into the first limit inserting groove (13 h), so that the power gear (12 c) can move rightwards under the action of the elastic force of the compression spring (13 d).

8. The walk-behind field optical cable storage rack of claim 7, wherein: the intermediate gear (12 e) is movable along the second driven shaft (12 d) so as to be disengageable from the left driven gear teeth.

9. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 1, wherein: the cross section of the right part of the left cable reel supporting shaft (4 a) is in a polygonal shape matched with the optical cable reel left end positioning hole, the right cable reel supporting shaft (4 b) comprises a supporting block (14 a) installed on the walking frame (1) and a movable elastic pulling pin (14 b) horizontally arranged in a penetrating mode in the supporting block (14 a), and the left end of the elastic pulling pin (14 b) extends out of the left end of the supporting block (14 a) and is used for being inserted into the optical cable reel right end positioning hole.

10. The walk-behind field optical cable pay-off and take-up rack as claimed in claim 2, wherein: the optical cable guide wheel set (7 b) is internally provided with a sponge block (7 c) for cleaning an optical cable, the pull rod (3) is a telescopic pull rod, and the front end face and the left and right end faces of the walking frame (1) are wrapped with canvas (15).

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