CN113460788A - Cable pay-off rack - Google Patents

Abstract

The invention discloses a cable pay-off rack which comprises a base, wherein a first vertical rod and a second vertical rod are arranged on the base, an installation shaft is arranged on the first vertical rod, a cable roller is sleeved on the installation shaft and is perpendicular to the first vertical rod, a rotating rack is arranged on the installation shaft and consists of a first winding rod and a second winding rod which are perpendicular to each other, one winding rod is rotatably connected onto the installation shaft, the two winding rods are positioned on the outer side of the cable roller and are parallel to the cable roller, a limiting device for preventing a cable from being separated from the second winding rod is arranged on the second winding rod, two ends of each winding rod are rotatably connected with a first threading ring, a wire outlet device is arranged on the second vertical rod, and a wire outlet hole is formed in each wire outlet device.

Description

Cable pay-off rack

Technical Field

The invention relates to the technical field of power equipment, in particular to a cable pay-off rack.

Background

The cable pay-off rack is indispensable equipment in the cable erection process, the conventional cable roller pay-off mode is that after a cable roller is erected, bearings are sleeved at two ends of the cable roller, and the cable roller rotates in the bearings to realize pay-off, the pay-off mode is simple and easy to operate, but the cable roller has large mass, and the cable roller needs to be dragged to rotate by a large force during manual pay-off, so that the pay-off is difficult; when the cable roller rotates, the bearing is subjected to a large load, is easy to wear, needs frequent maintenance and is expensive in maintenance cost. The chinese utility model patent with publication number CN206767335U discloses a cable pay-off stand, which comprises a support frame and a shaft lever, wherein the support frame is provided with a bracket through a jack, and the shaft lever is movably arranged between the support frames through the bracket; the bracket is semicircular, and a plurality of rollers are arranged on the inner wall of the bracket. This cable pay off rack can effectively reduce the coefficient of friction between axostylus axostyle and the bracket through installing a plurality of gyro wheels on the bracket inner wall, through the centering piece of symmetry form installation on the axostylus axostyle, can make the cable drum in different apertures use the axostylus axostyle to rotate as the axle center, this utility model though solved between current axostylus axostyle and the bracket coefficient of friction big, cause the difficult pivoted problem of cable drum. However, the cable drum with large mass still needs to rotate, and the rotating assembly for bearing the cable drum is subjected to large friction force and needs to be maintained frequently; still need rotate whole cable drum when staff's unwrapping wire, the unwrapping wire is hard.

Disclosure of Invention

In view of this, the present invention provides a cable pay-off rack, which can realize pay-off without rotating a cable roller, and has the advantages of easy pay-off and low maintenance cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a cable pay-off rack, includes the base, set up montant one and montant two on the base, set up the installation axle on the montant one, install the epaxial cable roller that cup joints, the cable roller is perpendicular with montant one, install the epaxial swivel mount that sets up, the swivel mount comprises mutually perpendicular's winding stem one and winding stem two, it is connected on the installation axle to rotate around a pole, the winding stem two is located the cable roller outside and is parallel with the cable roller, set up the stop device who prevents that the cable conductor from breaking away from winding stem two on the winding stem two, rotate around stem both ends and connect thimble one, set up the device of being qualified for the next round of competitions on the montant two, set up the wire hole on the device of being qualified for the next round of competitions.

Further, the device of being qualified for next round of competitions includes the gear, bears frame and clamping device, the gear rotation is connected on montant two, set up drive gear pivoted drive arrangement on the montant two, bear the fixed setting on montant two of frame, it sets up two baffles one to bear on the frame, two baffles one are located the gear both sides, still set up clamping device on bearing the frame, clamping device includes mount and sliding connection's clamp plate in the mount, enclose between clamping device, two baffles one and the gear and close the passageway that forms and to supply the cable to pass, set up the drive assembly that the drive clamp plate made a round trip to slide, control the passageway width on the mount, it can supply the wire hole that the cable passed to set up on the frame.

Furthermore, lugs are arranged on two sides of the clamping plate, and rollers are rotatably connected between the lugs.

Furthermore, a second threading ring is arranged on the first baffle close to the cable roller.

Furthermore, the first winding rod is a telescopic rod.

Furthermore, the second vertical rod is detachably connected with the base.

Furthermore, stop device comprises gag lever post and the connecting rod one that sets up at the gag lever post both ends, connecting rod one can dismantle with winding stem two and be connected, connecting rod one can dismantle with the gag lever post and be connected.

At present, in the technical field of cable paying-off, a cable roller rotation paying-off method is generally adopted, the method is simple and easy to implement and accords with the thought inertia of technicians in the field, and the innovation point of a cable paying-off rack in the prior art is generally on how to reduce the friction force received when a cable roller rotates or the friction coefficient of a bearing cable roller bearing surface, and how to realize the paying-off of the cable roller under the condition that the cable roller does not rotate is not considered, so that the technical scheme is not easy to think from the angle of the prior art.

The invention has the beneficial effects that:

1. a cable pay-off rack comprises a base, wherein a first vertical rod and a second vertical rod are arranged on the base, an installation shaft is arranged on the first vertical rod, a cable roller is sleeved on the installation shaft and is perpendicular to the first vertical rod, a rotating frame is arranged on the installation shaft and consists of a first winding rod and a second winding rod which are perpendicular to each other, one winding rod is rotatably connected onto the installation shaft, the two winding rods are positioned outside the cable roller and are parallel to the cable roller, a limiting device for preventing a cable from being separated from the winding rods is arranged on the second winding rod, a first threading ring is rotatably connected to the two ends of each winding rod, a cable outlet is arranged on the second vertical rod, the cable outlet is provided with a cable outlet after passing through the limiting device and the first threading ring, the cable is pulled out from the cable outlet by pulling the cable outwards, the rotating frame drives the rotating frame to rotate, the cable is wound out by the rotating frame, the cable can be pulled out without rotating the cable roller, the paying-off is light, the stress of the rotating assembly is small, the abrasion is small, and the maintenance cost is greatly reduced; stop device's setting has restricted the removal route of cable conductor, and the cable conductor can only be pulled out along the scope that stop device framed, prevents that the cable conductor from entangling the winding, reasonable in design, and the practicality is strong.

2. One side of the channel is provided with a clamping plate, the other side of the channel is provided with a gear, the other two sides of the channel are provided with a first fixed baffle plate, a cable passes through the channel, the position of the clamping plate can be adjusted by adjusting the driving assembly, the channel is adjusted to be in a proper width, the two sides of the cable are respectively adjacent to the gear and the clamping plate, the gear is driven by the driving device to rotate, the friction force between the gear and the surface of the cable drives the cable to move downwards, the cable is sent out from the through hole, the structure is simple, the operation is reliable, the arrangement of the clamping device can enable the cable pay-off device to be suitable for paying off of cables with different thicknesses, and the cable pay-off device is wide in application range and high in practicability; the cable conductor is always subjected to static friction force between the gear and the surface of the cable conductor, and tension is always kept on the cable conductor, so that the cable conductor cannot be loosened, fall off and tangled and wound.

3. The clamping plate is provided with lugs on two sides, the lugs are rotatably connected with the idler wheels, so that static friction between the gear and the surface of the cable is reduced when the cable moves downwards, and the surface of the cable is prevented from being scratched by the gear due to too large friction.

4. Be close to the cable roller set up thimble two on the baffle one, in the cable conductor passed the thimble two and enters into the passageway, the cable conductor does not contact with the arris of baffle one, reduces the risk that the cable conductor was scratched.

5. The first winding rod is a telescopic rod, the length of the first winding rod is adjusted according to needs, and then the distance between the second winding rod and the cable roller is adjusted, so that the cable roller can be suitable for cable rollers with various diameters.

6. The second vertical rod is detachably connected with the base, and when the cable roller is installed, the second vertical rod can be moved away and fixed, so that the installation of the cable roller is facilitated.

7. The limiting device is composed of a limiting rod and a first connecting rod arranged at two ends of the limiting rod, the first connecting rod is detachably connected with a second winding rod, the first connecting rod is detachably connected with the limiting rod, the first connecting rod and the limiting rod can be freely adjusted according to needs, the use is flexible, and the practicability is high.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a wire outlet device;

FIG. 3 is a schematic structural diagram of the driving device and the connecting assembly thereof;

FIG. 4 is a schematic view of the structure of the clamping device;

FIG. 5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a fourth embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a fifth embodiment of the present invention;

wherein, 1-a base, 2-a first vertical rod, 3-a second vertical rod, 4-a mounting shaft, 5-a cable roller, 6-a rotating frame, 7-a first winding rod, 8-a second winding rod, 9-a first threading ring, 10-a wire outlet hole, 11-a gear, 12-a bearing frame, 13-a first baffle plate, 14-a fixing frame, 15-a clamping plate, 16-a lug, 17-a roller, 18-a second threading ring, 19-a limiting rod, 20-a first connecting rod, 21-a first bearing, 22-a second connecting rod, 23-a second bearing, 24-a rotating shaft, 25-a third bearing, 26-a motor, 27-a vertical plate, 28-a top plate, 29-a bottom plate, 30-a convex edge, 31-a sliding groove, 32-a seven-star handle and 33-a stud, 34-extension spring, 35-inclined support rod, 37-rectangular tube, 38-pin shaft, 39-outer tube, 40-inner rod and 41-anti-slip layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1-4, which is a first embodiment of the present invention, a cable pay-off stand comprises a base 1, as shown in fig. 1, the base 1 is an i-shaped structure formed by welding three rectangular tubes, a first vertical rod 2 is vertically welded on the rectangular tube on the right side of the base 1, a mounting shaft 4 is fixed on the left side of the top end of the first vertical rod 2 by welding, the mounting shaft 4 is a cylindrical structure, the mounting shaft 4 is perpendicular to the first vertical rod 2, a cable roller 5 is sleeved on the mounting shaft 4, the cable roller 5 is perpendicular to the first vertical rod 2, a rotating frame 6 is arranged on the mounting shaft 4, the rotating frame 6 is composed of a first winding rod 7 and a second winding rod 8 which are perpendicular to each other, a first bearing 21 is arranged on the mounting shaft 4 on the right side of the cable roller 5, the inner circumferential surface of the first bearing 21 is fixed on the outer surface of the mounting shaft 4 by an adhesive, one end of the first winding rod 7 is vertically welded on the outer circumferential surface of the first bearing 21, and the other end is welded with one end of the second winding rod 8, and the second winding rod 8 is parallel to the cable roller 5 and is positioned outside the cable roller 5, the first winding rod 7 rotates, and the second winding rod 8 rotates around the cable roller 5. Set up stop device on two 8 of winding stems, stop device comprises 19 of gag lever post and the connecting rod 20 of welding at 19 both ends of gag lever post, and the length that the winding has the cable on the cable roller 5 is equaled to the welding of connecting rod 20 on two 8 of winding stems between connecting rod 20, therefore the cable conductor can only slide on two 8 of winding stems between connecting rod 20, can not break away from two 8 of winding stems, can not entangle the winding between the cable conductor yet. The end of the second winding rod 8 is rotatably connected with the first threading ring 9, the first threading ring 9 and the second winding rod 8 are connected with the second bearing 23 through the second connecting rod 22, the peripheral surface of the inner ring of the second bearing 23 is fixed on the end of the other end of the second winding rod 22 through viscose, the second connecting rod 22 is welded on the outer ring of the second bearing 23, the second connecting rod 22 is perpendicular to the second winding rod 8, the first threading ring 9 is welded on the other end of the first connecting rod 20, and at the moment, the first threading ring 9 can rotate around the second winding rod 8.

A second vertical rod 3 is welded on a square tube on the left side of the base 1, a wire outlet device is arranged on the second vertical rod 3, the structure of the wire outlet device is shown in fig. 2, the wire outlet device comprises a gear 11, a bearing frame 12 and a clamping device, a rotating shaft 24 is welded in the gear 11, a third bearing 25 is welded on the rotating shaft 24, a through hole with the same diameter as the outer ring of the third bearing 25 is punched on the second vertical rod 3 through a punching machine, the third bearing 25 is fixed in the through hole through viscose glue, the gear 11 is rotatably connected to the second vertical rod 3 at the moment, a driving device for driving the rotation of the gear 11 is arranged on the second vertical rod 3, the driving device and a connecting assembly of the driving device are shown in fig. 3, the driving device can be a motor 26, the motor 26 is fixed on the second vertical rod 3 through bolts, the rotating shaft 24 is an output shaft of the motor, the motor 26 is started, and the rotating shaft 24 rotates to drive the gear 11 to rotate; the starting device can also be a crank welded on the end face of the rotating shaft 24, and the rotating shaft 24 drives the gear 11 to rotate by rotating the crank. A first baffle 13 is respectively arranged on the two sides of the right side of the gear 11, the first baffle 13 is vertically welded on the bearing frame 12, and the bearing frame 12 is welded and fixed on the second vertical rod 3. The bearing frame 12 is further provided with a clamping device, a channel through which a cable can pass is formed by enclosing the first two baffle plates 13 and the gear 11, a cable outlet 10 through which the cable can pass is punched out of the bearing frame 12 through a punching machine, the structure of the clamping device is shown in fig. 4 and comprises a fixing frame 14 and a clamping plate 15 which is connected in the fixing frame 14 in a sliding mode, the fixing frame 14 is a vertical plate 27 and consists of a top plate 28 and a bottom plate 29 which are vertically welded at two ends of the vertical plate 27, the clamping plate 15 is arranged between the top plate 28 and the bottom plate 29, the clamping plate 15 is parallel to the vertical plate 27, two ends of the clamping plate 15 are provided with protruding edges 30 through adhesive, and sliding grooves 31 through which the protruding edges 30 can slide back and forth are cut out through a cutting machine on the top plate 28 and the bottom plate 29. Four groups of lugs 16 are fixed on two sides of the clamping plate 15 through adhesive, the lugs 16 are rotatably connected with rollers 17, the rollers 17 are of cylindrical structures, through holes are axially punched on the rollers 17 through the punching machine, circular shafts are inserted into the through holes, two ends of each circular shaft are respectively fixed on the adjacent lugs 16 through the adhesive, and at the moment, the rollers 17 can rotate between the lugs 16. The fixing frame 14 is provided with a driving assembly for driving the clamping plate 15 to slide back and forth and controlling the width of a passage, the driving assembly comprises a seven-star handle 32 and a stud 33 fixed on the seven-star handle 32 through glue, a threaded hole matched with the stud 33 is formed in the vertical plate 27 through a tapping machine, four extension springs 34 are fixed between the vertical plate 27 and the clamping plate 15 through glue, the seven-star handle 32 is screwed, the stud 33 moves leftwards, the extension springs 34 extend, the end part of the stud 33 pushes the clamping plate 15 to slide forwards, the roller 17 moves forwards, the distance between the roller 17 and the gear 11 is shortened, the passage is narrowed, the seven-star handle 32 is screwed reversely, the stud 33 moves rightwards, the clamping plate 15 moves rightwards under the action of the extension springs 34, the distance between the roller 17 and the gear 11 is increased, and the passage is widened. In order to prevent the cable from being scratched by the first baffle 13, a second threading ring 18 is welded on the top surface of the first baffle 13 close to the cable roller 5.

The cable roller 5 is sleeved on the mounting shaft 4, the head of the cable sequentially passes through a limiting device (namely a cavity between a limiting rod 19 and two connecting rods 20), a first threading ring 9, a second threading ring 18, a channel and a wire outlet hole 10, a seven-star handle 32 is rotated, the width of the channel is adjusted, a motor 26 or a rotating crank is turned on, a gear 11 rotates, the cable is sent out by utilizing static friction force between the gear 11 and the surface of the cable, the static friction force between the gear 11 and the surface of the cable generates pulling force on the cable, the rotating frame 6 is driven by the pulling force to rotate, when the rotating frame 6 rotates, the cable is not contacted with the end part of a second winding rod 8, the rotating frame 6 rotates to wind out the cable, in order to reduce the pulling force required by driving the cable, the first winding rod 7 and the second winding rod 8 adopt aluminum alloy with smaller density, preferably adopt superhard aluminum, and the rotating frame 6 cannot deform when being driven by force, preferably, the second winding rod 8, the limiting device, the first threading ring 9 and the second threading ring 18 are subjected to surface finish machining such as polishing, so that the surface smoothness is improved, the static friction force between the gear 11 and the surface of the cable when the cable is sent out is greatly reduced, and the gear 11 is prevented from scratching the surface of the cable. By adopting the device, the cable roller 5 does not need to rotate, and the paying-off is light; the bearing I21, the bearing II 23 and the bearing III 25 bear small load, the service life is long, and the maintenance cost is low. In order to increase the safety factor of the device in operation, an inclined support rod 35 is welded between the first vertical rod 2 and the base 1.

Example two

As shown in fig. 5, a second embodiment of the present invention is different from the first embodiment in that a rectangular tube 37 is vertically welded on the first base, the second vertical rod 3 is inserted into the rectangular tube 37, four walls of the bottom end of the second vertical rod 3 are tightly attached to four walls inside the rectangular tube 37, corresponding through holes are punched in the rectangular tube 37 and the second vertical rod 3 through a punching machine, a pin 38 is inserted into the through holes, the other end of the pin 38 is closed through a cotter pin, at this time, the second vertical rod 3 is detachably connected to the base 1, when a cable roller 5 needs to be installed or replaced, the cotter pin is removed, the pin 38 is pulled out, the second vertical rod 3 is taken out from the rectangular tube 37, the second vertical rod 3 is removed, and the connecting devices on the second vertical rod 3 and the second vertical rod 3 do not affect installation and removal of the cable roller 5. In order to reduce the weight of the second vertical rod 3 and the connecting device thereof, the second vertical rod 3, the bearing frame 12, the gear 11, the fixing frame 14, the clamping plate 15, the lug 16 and the roller 17 are made of carbon fiber composite materials.

EXAMPLE III

As shown in fig. 6, a third embodiment of the present invention is different from the first embodiment in that the winding rod one 7 is a telescopic rod, the winding rod one 7 is composed of an outer tube 39 and an inner rod 40, the bottom end of the outer tube 39 is welded on the outer circumferential surface of the bearing one 21, the top end of the inner rod 40 is welded on the winding rod two 8, the inner rod 40 is inserted into the outer tube 39, the inner rod 40 is punched with a plurality of first through holes by a punch, the outer tube 39 is punched with second through holes corresponding to the first through holes by a punch, the inner rod 40 is pulled out of the outer tube for a certain distance according to the radius of the cable roller 5, bolts are inserted into the corresponding first through holes and second through holes, and nuts are installed at the other ends of the bolts, so that the inner rod 40 can be completely pulled out when the cable roller 5 is replaced or installed, and there is no influence on installation or removal of the cable roller 5.

Example four

Referring to fig. 7, a fourth embodiment of the present invention is shown, and the present embodiment is different from the first embodiment in that a limiting rod 19 is detachably connected to two connecting rods one 20, the connecting rods one 20 are detachably connected to the limiting rod 19, a plurality of through holes three are uniformly punched on the limiting rod 19 through a punching machine, screws one are inserted into the through holes three, screw holes one matched with the screws one are punched in the center of the end face of the connecting rods one 20 through a tapping machine, corresponding through holes three are selected according to the length of cables wound on the cable roll 5, a first connecting rod 20 is arranged on the corresponding through hole through a first screw, a plurality of fourth through holes are punched on the limiting rod 19 through a punching machine, the distance between the fourth through holes is equal to the distance between the third through holes, a second screw is inserted in the fourth through holes, and punching a screw hole II corresponding to the screw II in the center of the other end surface of the connecting rod I20 through a tapping machine, and installing the connecting rod I20 in the screw hole II through a bolt II.

EXAMPLE five

As shown in fig. 8, a fifth embodiment of the present invention is different from the first embodiment in that a rubber anti-slip layer 41 is fixed on a surface of the gear 11 contacting the cable by glue, so as to increase a friction force between the surface of the cable and the gear 11, and prevent the gear 11 from scratching the cable, thereby protecting the cable.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The cable pay-off rack is characterized by comprising a base (1), wherein a first vertical rod (2) and a second vertical rod (3) are arranged on the base (1), an installation shaft (4) is arranged on the first vertical rod (2), a cable roller (5) is sleeved on the installation shaft (4), the cable roller (5) is perpendicular to the first vertical rod (2), a rotating frame (6) is arranged on the installation shaft (4), the rotating frame (6) consists of a first winding rod (7) and a second winding rod (8) which are perpendicular to each other, the first winding rod (7) is rotatably connected onto the installation shaft (4), the second winding rod (8) is positioned outside the cable roller (5) and is parallel to the cable roller (5), a limiting device for preventing a cable from being separated from the second winding rod (8) is arranged on the second winding rod (8), the end of the second winding rod (8) is rotatably connected with a first threading ring (9), and a wire outlet device is arranged on the second vertical rod (3), and the outlet device is provided with an outlet hole (10).

2. The cable pay-off rack according to claim 1, wherein the cable pay-off device comprises a gear (11), a bearing frame (12) and a clamping device, the gear (11) is rotatably connected to a second vertical rod (3), the second vertical rod (3) is provided with a driving device for driving the gear (11) to rotate, the bearing frame (12) is fixedly arranged on the second vertical rod (3), the bearing frame (12) is provided with two first baffle plates (13), the two first baffle plates (13) are positioned on two sides of the gear (11), the bearing frame (12) is further provided with the clamping device, the clamping device comprises a fixing frame (14) and a clamping plate (15) which is slidably connected in the fixing frame (14), a channel through which a cable can pass is formed by enclosing the clamping device, the two first baffle plates (13) and the gear (11), and the fixing frame (14) is provided with the clamping plate (15) for driving the clamping plate (15) to slide back and forth, The driving component controls the width of the channel, and the bearing frame (12) is provided with an outlet hole (10) for a cable to pass through.

3. A cable reel as claimed in claim 2, characterised in that the clamping plate (15) is provided with lugs (16) on both sides, the lugs (16) being rotatably connected to rollers (17).

4. A cable pay-off stand as defined in claim 2, wherein a second thimble (18) is provided in said first apron (13) adjacent to the cable roll (5).

5. A cable reel as claimed in claim 1, wherein the first winding bar (8) is a telescopic bar.

6. The cable pay-off rack according to claim 1, wherein the second vertical rod (3) is detachably connected with the base (1).

7. The cable pay-off rack according to claim 1, wherein the limiting device comprises a limiting rod (19) and a first connecting rod (20) arranged at two ends of the limiting rod (19), the first connecting rod (20) is detachably connected with a second winding rod (8), and the first connecting rod (20) is detachably connected with the limiting rod (19).

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