CN212740257U

CN212740257U - Pay-off rack stable in winding

Info

Publication number: CN212740257U
Application number: CN202020958885.7U
Authority: CN
Inventors: 桂斌华; 朱红琳; 张勇
Original assignee: Wuhan Boneng Power Engineering Co ltd
Current assignee: Wuhan Boneng Power Engineering Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-19
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a stable pay off rack of rolling, support frame, dwang and wind-up roll, the dwang both ends are rotated with the support frame and are connected, wind-up roll cover locate on the dwang and with dwang fixed connection, dwang one end fixedly connected with ratchet, the spout has transversely been seted up to the backup pad side, sliding connection has the slider in the spout, be provided with in the spout to be used for driving the gliding runner assembly of slider in the spout, the slider articulate have with ratchet external toothing's pawl, dwang fixedly connected with drive assembly. Through the technical scheme, when the cable is wound and unwound, the winding roller is rotated to realize the winding and unwinding of the cable on the winding roller, the winding of the cable is unsmooth due to the overturning of the winding roller, extra manual labor force is increased, effective working time is wasted, the pawl slides on the back of the teeth of the ratchet wheel when the ratchet wheel is driven by the driving assembly to rotate forwards, and when the ratchet wheel rotates reversely, the pawl prevents the ratchet wheel from rotating reversely and also prevents the winding roller from rotating reversely.

Description

Pay-off rack stable in winding

Technical Field

The utility model belongs to the technical field of power equipment's technique and specifically relates to a pay off rack that rolling is stable is related to.

Background

At present, in engineering construction, cables need to be wound and unwound, most of the cables are wound and unwound by using a cable winding and unwinding frame when the cables are wound and unwound, and most of the cables are wound and unwound by rotating a winding roller manually, so that the winding and unwinding of the cables on the winding roller are realized.

An existing chinese patent with publication number CN201447259U discloses an engineering pay-off stand, which includes: the rubber rollers are composed of two symmetrical and mutually matched half shuttle-shaped rubber rollers and can be opened and closed; the central tube is divided into a bolt part and a nut part and is of a tubular structure; the pay-off rack is welded on two waist parts of the pay-off rack by two ribbed plates with different lengths and widths, a trapezoidal framework is formed by supporting, a sleeve pipe vertical to the ribbed plates is welded on the ribbed plates at the upper end, a plurality of through holes are formed in the front end of the sleeve pipe, a rubber handle is arranged at the upper end of the sleeve pipe and used for lifting and placing the pay-off rack, a small arc bracket is respectively welded at the rear ends of two foot rests at the bottom of the pay-off rack and used as an auxiliary support, plastic foot caps are buckled at the two front ends of the foot rests and are tightly buckled at the front ends of the foot rests, a circular ring is respectively welded at the two waist parts of the pay-off rack near the ribbed plates; a locating pin, the locating pin comprising: the pin is provided with a through hole drilled in the middle of the side surface of the pin cap, and the forming ring is a semi-closed ring, and the unconnected part of the forming ring is used as a connecting point with the pin and is matched and connected with the through hole on the pin.

The above prior art solutions have the following drawbacks: the pay-off rack rotates towards one direction in the take-up process, but when the pay-off rack rotates reversely, a cable on the pay-off rack is loosened, inconvenience is caused to continuous winding of the cable, and extra labor force for manual cable management is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a pay off rack that rolling is stable has the advantage that prevents that the pay off rack from receiving the reversal of line in-process, reduces artifical labour, has increased work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a pay-off stand capable of winding stably comprises a support frame, a rotating rod and a winding roller, wherein two ends of the rotating rod are rotatably connected with the support frame, the winding roller is fixedly connected with the rotating rod, a ratchet wheel is coaxially fixed at one end, extending out of the support frame, of the rotating rod, a sliding groove is transversely formed in the side face of the support frame, a sliding block is connected in the sliding groove in a sliding mode, a pushing assembly for driving the sliding block to move is arranged in the sliding groove of the support frame, the sliding block is hinged with a pawl which is meshed with the ratchet wheel, and an elastic piece for ensuring the ratchet wheel to rotate directionally is arranged between the sliding; and a guide assembly for guiding the winding of the cable is arranged above the winding roller.

By adopting the technical scheme, when the cable is wound, the winding roller is rotated anticlockwise, the winding of the cable on the winding roller is realized, the cable is loosened when the winding roller is turned clockwise, extra labor force is increased, effective working time is wasted, the pawl slides on the tooth back of the ratchet wheel when the ratchet wheel is driven by the rotating rod to rotate anticlockwise by utilizing the matching of the ratchet wheel and the pawl, the winding work of the cable is realized, when the rotating rod is rotated clockwise, the ratchet wheel rotates clockwise along with the rotating rod, the pawl prevents the ratchet wheel from rotating clockwise and also prevents the winding roller from rotating clockwise, the effect of preventing the cable from loosening caused by the reverse rotation of the winding roller is realized, and the normal operation of the winding cable on the winding roller is ensured; when the cable needs to be released, under the action of the rotating assembly, the pawl moves along the sliding groove until the action range of the ratchet wheel is disengaged, at the moment, the rotating rod can rotate clockwise, and therefore the effect that the cable is released by the reverse winding roller is achieved.

The utility model discloses can further configure to in a preferred example, rotate the piece include with spout inner wall rotates the screw rod of connecting, the screw rod with slider threaded connection.

Through adopting above-mentioned technical scheme, during the rolling cable, rotatory screw rod, the screw rod drives slider rectilinear movement in the spout, and the slider drives pawl rectilinear movement to pawl and ratchet meshing, reaches the effect that prevents the ratchet upset, and when needs release cable, the screw rod is reversed, and the screw rod drives the slider and moves to the pawl along the spout and throw off the scope of action of ratchet to realize the effect of reversal wind-up roll release cable.

The utility model discloses can further configure to in a preferred example, the screw rod is kept away from the coaxial fixedly connected with hand wheel of one end of slider.

By adopting the technical scheme, the hand wheel is utilized to drive the screw rod to rotate, the position of the adjusting slide block in the sliding groove is the relative position between the pawl and the ratchet wheel, the ratchet wheel is conveniently meshed with the pawl to prevent the ratchet wheel from reversing when the cable is wound, the effect of preventing the cable from loosening caused by the reversing of the winding roller is realized, and the normal operation of winding the cable by the winding roller is ensured.

The utility model discloses can further configure to in a preferred example, the elastic component be one end with slider fixed connection's torsional spring, the other end with pawl fixed connection.

Through adopting above-mentioned technical scheme, the torsional spring guarantees the ratchet directional rotation as the elastic component, realizes preventing the loose effect of cable that the wind-up roll reversal leads to, ensures the normal clear of wind-up roll rolling cable work.

The utility model discloses can further configure to in a preferred example, the direction subassembly include with the support frame rotate the reciprocal lead screw of connecting, with support frame fixed connection's guide bar and with gliding guide block is established to the guide bar cover, reciprocal lead screw with guide bar parallel arrangement, reciprocal lead screw with guide block threaded connection, guide block below fixedly connected with be used for cable evenly distributed in guide ring on the wind-up roll, the dwang is provided with the drive reciprocal lead screw pivoted drive assembly.

Through adopting above-mentioned technical scheme, when carrying out the rolling to the cable, reciprocal lead screw drives the guide block and carries out reciprocating motion along the guide bar to drive the guide ring and carry out reciprocating motion, lead the cable through the guide ring, make the winding that the cable can be even on the take-up roll.

The utility model discloses can further configure to in a preferred example, transmission assembly include with reciprocal lead screw coaxial setting from the driving wheel and with the action wheel of the coaxial setting of dwang, from the driving wheel with the cover is equipped with the belt between the action wheel, when wind-up roll rolling round cable the distance of guide ring motion equals the diameter of cable end cross-section circle.

Through adopting above-mentioned technical scheme, the action wheel drives wind-up roll rolling round cable, and the action wheel passes through belt transmission with the follow driving wheel and realizes the linkage, and it is rotatory to drive reciprocal lead screw from the driving wheel, and reciprocal lead screw drives the guide ring and advances the diameter distance of cable cross-section circle along the guide bar, and the even winding of cable is to the wind-up roll.

The present invention may be further configured in a preferred embodiment, wherein the driving assembly includes a handle fixedly connected to an edge of the end surface of the driving wheel.

Through adopting above-mentioned technical scheme, along action wheel circumferential direction handle, the action wheel drives the rotatory rolling of accomplishing to the cable of wind-up roll, and the manual work rotates the rolling speed of handle control wind-up roll, convenient and fast.

The utility model discloses can further configure to in a preferred example, the bottom of support frame articulates there is the universal wheel.

Through adopting above-mentioned technical scheme, set up the universal wheel and be convenient for remove whole equipment.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by utilizing the matching of the ratchet wheel and the pawl, when the handle drives the rotating rod to rotate clockwise, the ratchet wheel rotates clockwise along with the rotating rod, the pawl prevents the ratchet wheel from rotating in the opposite direction and also prevents the winding roller from rotating in the opposite direction, the effect of preventing the cable from loosening caused by the reverse rotation of the winding roller is realized, and the normal operation of the winding roller on the cable is ensured; when the cable needs to be released, under the action of the rotating assembly, the sliding block moves to the action range that the pawl is disengaged from the ratchet wheel along the sliding groove, and the rotating rod can rotate anticlockwise, so that the effect that the cable is released by reversing the winding roller is achieved;

2. when the cable is wound, the reciprocating screw rod drives the guide block to reciprocate along the guide rod, the guide block drives the guide ring to reciprocate, and the cable is guided by the guide ring, so that the cable can be uniformly wound on the winding roller.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

reference numerals: 1. a support frame; 2. rotating the rod; 3. a wind-up roll; 4. a ratchet wheel; 5. a chute; 6. a slider; 7. a pawl; 8. a screw; 9. a hand wheel; 12. A torsion spring; 13. a reciprocating screw rod; 14. a guide bar; 15. a guide block; 17. A guide ring; 18. a driven wheel; 19. a driving wheel; 20. a belt; 21. a handle; 22. A universal wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 and fig. 2, for the utility model discloses a stable pay off rack of rolling, including support frame 1, dwang 2 and wind-up

roll

3, 2 both ends of dwang are rotated with support frame 1 and are connected, 3 covers of wind-up roll locate on the dwang 2 and with 2 fixed connection of dwang, the bottom of support frame 1 articulates there is universal wheel 22 to be convenient for wholly remove equipment.

One end of the rotating rod 2, which extends out of the support frame 1, is fixedly connected with a ratchet wheel 4, the side surface of the support frame 1 is transversely provided with a sliding groove 5, the sliding groove 5 is internally and slidably connected with a sliding block 6 with a T-shaped section, the sliding block 6 is slidably connected with the sliding groove 5 and limits the sliding block 6 to slide along the length direction of the sliding groove 5, the upper end surface of the sliding block 6 is hinged with a pawl 7 which is externally meshed with the ratchet wheel 4, when the rotating rod 2 drives the ratchet wheel 4 to rotate anticlockwise, the pawl 7 slides on the back of teeth of the ratchet wheel 4 to realize the winding work of a cable, when the rotating rod 2 rotates clockwise, the ratchet wheel 4 rotates clockwise along with the rotating rod 2, the pawl 7 prevents the ratchet wheel 4 from rotating in the opposite direction and also prevents the winding roller 3 from rotating in the opposite direction; when the cable needs to be released, the pawl 7 is disengaged from the action range of the ratchet wheel 4, and at the moment, the rotating rod 2 rotates clockwise, so that the effect of releasing the cable by reversing the winding roller is achieved.

In order to ensure that the pawl 7 limits the counterclockwise rotation of the ratchet wheel 4, an elastic part for increasing the acting force between the pawl 7 and the ratchet wheel 4 is arranged between the sliding block 6 and the pawl 7, one end of the elastic part is a torsion spring 12 fixedly connected with the sliding block 6, the other end of the elastic part is fixedly connected with the pawl 7, when the pawl 7 slides on the tooth back of the ratchet wheel 4, the torsion spring 12 deforms, along with the continuous movement of the ratchet wheel 4, the pawl 7 swings into the tooth groove of the ratchet wheel 4 under the elastic action of the torsion spring 12 restoring to the original shape, and the pawl 7 is ensured to limit the counterclockwise rotation of the ratchet wheel 4.

A thrust assembly for driving the sliding block 6 to slide in the sliding groove 5 is arranged in the sliding groove 5, the thrust assembly comprises a screw rod 8 and a hand wheel 9, the screw rod 8 is rotatably connected with the inner wall of the sliding groove 5, the screw rod 8 is in threaded connection with the sliding block 6, and the hand wheel 9 is coaxially and fixedly connected with one end, far away from the sliding block 6, of the screw rod 8; the hand wheel 9 drives the screw rod 8 to rotate, the position of the sliding block 6 in the sliding groove 5 is adjusted, namely the pawl 7 moves to be inserted into a tooth groove of the ratchet wheel 4, the ratchet wheel 4 is meshed with the pawl 7 to prevent the ratchet wheel 4 from reversing when a cable is wound, the effect of preventing the cable from being loosened due to the reverse rotation of the winding roller 3 is achieved, and the normal operation of the winding roller 3 for winding the cable is ensured; when the cable needs to be released, the hand wheel 9 drives the screw rod 8 to drive the sliding block 6 to move towards the direction far away from the ratchet wheel 4, and the sliding block 6 drives the pawl 7 to be separated from the action range of the ratchet wheel 4, so that the effect of releasing the cable by reversing the winding roller 3 is achieved.

The top of dwang 2 is provided with the winding direction subassembly of guide cable, the direction subassembly includes the reciprocal lead screw 13 of being connected with the rotation of support frame 1, establish gliding guide block 15 with support frame 1 fixed connection's guide bar 14 and with guide bar 14 cover, reciprocal lead screw 13 and guide bar 15 parallel arrangement,

reciprocal lead screw

13 and 15 threaded connection of guide block, guide block 14 below fixedly connected with is used for cable evenly distributed's guide ring 17 on the wind-up roll, when rolling the cable, reciprocal lead screw 13 drives guide block 15 and carries out reciprocating motion along guide bar 14, thereby drive guide ring 17 and carry out reciprocating motion, guide ring 17 leads the cable, make the winding that the cable can be even to on the wind-up roll 3.

Be provided with transmission assembly between direction subassembly and the drive assembly, transmission assembly includes from the driving wheel 18 and with the action wheel 19 of the coaxial setting of dwang 2 with the coaxial setting of reciprocal lead screw 13, the cover is equipped with belt 20 from between driving wheel 18 and the action wheel 19, the distance of guide ring 17 motion equals the diameter of cable end cross-section circle when winding-up roller 3 rolling round cable, action wheel 19 drives 3 rolling round cables of winding-up roller, action wheel 19 realizes the linkage with from the driving wheel 18 transmission through belt 20, it is rotatory from driving wheel 18 drive reciprocal lead screw 13, reciprocal lead screw 13 drives guide ring 17 and advances the diameter distance of cable cross-section circle along guide bar 14, the even winding of cable is on the winding-up roller 3.

19 terminal surface edge fixedly connected with handles 21 of action wheel, 19 circumference of action wheel rotates handle 21 and can accomplish the rolling to the cable, and artifical rotation handle 21 can control the rolling speed of wind-up roll 3 simultaneously, convenient and fast.

The implementation principle of the embodiment is as follows: when the cable needs to be reeled, firstly, a hand wheel 9 is rotated, the hand wheel 9 drives a screw rod 8 to rotate, the screw rod 8 drives a sliding block 6 to slide in a sliding chute 5, the sliding block 6 drives a pawl 7 to move to be inserted into a tooth groove of a ratchet 4 and enable a torsion spring 12 to be in a tensioning state, then a handle 21 is rotated along the circumferential direction of a driving wheel 19, the handle 21 drives the driving wheel 19 to rotate, the driving wheel 19 drives a rotating rod 2 and a reeling roller 3 to rotate, meanwhile, the driving wheel 19 drives a driven wheel 18 to rotate through a belt 20, the driven wheel 18 drives a reciprocating screw rod 13 to rotate, the reciprocating screw rod 13 drives a guide block 15 to reciprocate along a guide rod 14, the guide block 15 drives a guide ring 17 to reciprocate, and the reciprocating motion of; the bottom of the support frame 1 is hinged with universal wheels 22, so that the whole equipment can be moved conveniently.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A pay-off stand with stable winding, which comprises a support frame (1), a rotating rod (2) and a winding roller (3), both ends of the rotating rod (2) are rotatably connected with the supporting frame (1), the wind-up roll (3) is fixedly connected with the rotating rod (2), it is characterized in that a ratchet wheel (4) is coaxially fixed at one end of the rotating rod (2) extending out of the support frame (1), a sliding chute (5) with two closed ends is transversely arranged on the side surface of the supporting frame (1), a sliding block (6) is connected in the sliding groove (5) in a sliding way, a thrust component for driving the sliding block (6) to move is arranged in the sliding groove (5) of the support frame (1), the sliding block (6) is hinged with a pawl (7) which is externally engaged with the ratchet wheel (4), an elastic piece for ensuring the directional rotation of the ratchet wheel (4) is arranged between the sliding block (6) and the pawl (7); and a guide assembly for guiding the winding of the cable is arranged above the winding roller (3).

2. The pay-off stand with stable winding function as claimed in claim 1, wherein the thrust assembly comprises a screw rod (8) rotatably connected with the inner wall of the sliding chute (5), and the screw rod (8) is in threaded connection with the sliding block (6).

3. The pay-off stand capable of winding stably according to claim 2, wherein a hand wheel (9) is coaxially and fixedly connected to one end, far away from the sliding block (6), of the screw rod (8).

4. The pay-off stand capable of winding stably according to claim 3, wherein the elastic member is a torsion spring (12) with one end fixedly connected with the sliding block and the other end fixedly connected with the pawl (7).

5. The pay-off stand capable of winding stably according to claim 4, wherein the guide assembly comprises a reciprocating screw rod (13) rotatably connected with the support frame (1), a guide rod (14) fixedly connected with the support frame (1) and a guide block (15) sleeved with the guide rod to slide, the reciprocating screw rod (13) and the guide rod (14) are arranged in parallel, the reciprocating screw rod (13) is in threaded connection with the guide block (15), a guide ring (17) used for uniformly distributing cables on the winding roller (3) is fixedly connected below the guide block (15), and the rotating rod (2) is provided with a transmission assembly for driving the reciprocating screw rod (13) to rotate.

6. The pay-off stand capable of winding stably according to claim 5, wherein the transmission assembly comprises a driven wheel (18) and a driving wheel (19), the driven wheel (18) and the driving wheel (19) are coaxially arranged with the reciprocating screw rod (13), a belt (20) is sleeved between the driven wheel (18) and the driving wheel (19), and the distance of the movement of the guide ring (17) is equal to the diameter of a cross-section circle of a cable end when the winding roller (3) winds a circle of cables.

7. The pay-off stand capable of winding stably according to claim 6, wherein a handle (21) is fixedly connected to the edge of the end face of the driving wheel (19).

8. The pay-off stand stable in winding according to claim 1, characterized in that the bottom of the support frame (1) is provided with universal wheels (22).