CN215755636U - Good unwrapping wire support of stability - Google Patents

Abstract

The utility model provides a pay-off support with good stability, which belongs to the technical field of electric power auxiliary facilities and comprises a wire rod sleeve and a support body, wherein two connecting pieces are arranged at two ends of the wire rod sleeve, the lower ends of the two connecting pieces are respectively provided with a cross rod, the lower ends of the two cross rods are respectively provided with two supporting rods, the supporting rods are installed on the support body, the two support bodies are provided with two lifting mechanisms, two sides of the support body are provided with side protection assemblies, and the lower end of the support body is provided with a lower supporting assembly. The utility model solves the problems that although the traditional pay-off bracket is convenient to move, the bracket can move in the pay-off process, so that pay-off is inconvenient to carry out, and meanwhile, vibration can be generated in the pay-off process, so that the pay-off bracket is easy to turn over due to overlarge vibration, and the stable placement of the pay-off bracket cannot be ensured.

Description

Good unwrapping wire support of stability

The technical field is as follows:

the utility model belongs to the technical field of electric power auxiliary facilities, and particularly relates to a pay-off support with good stability.

Background art:

the cable drum is a special drum for wires and cables. The cable drum adopts steel construction and steel-wood structure more, and the steel construction is firm, and is not fragile, and is effectual to the cable protection, and ability used repeatedly, consequently extensively adopts in the practice, and the unwrapping wire support is the instrument that is used for placing cable drum, also is comparatively common electric power auxiliary facilities.

However, although current unwrapping wire support is convenient to remove, the removal can appear at unwrapping wire in-process support, and then the going on of the unwrapping wire of being not convenient for, and the unwrapping wire in-process can produce vibrations simultaneously, shakes too big and causes the turning over of unwrapping wire support easily, can't guarantee the stable of unwrapping wire support and place.

The utility model content is as follows:

the utility model provides a pay-off bracket with good stability, which aims to solve the problems that although the existing pay-off bracket is convenient to move, the bracket can move in the pay-off process, so that pay-off is inconvenient to carry out, and meanwhile, vibration can be generated in the pay-off process, the pay-off bracket is easy to turn over due to excessive vibration, and the stable placement of the pay-off bracket cannot be ensured.

The embodiment of the utility model provides a pay-off support with good stability, which comprises a wire rod sleeve and a support body, wherein two connecting pieces are arranged at two ends of the wire rod sleeve, the lower ends of the two connecting pieces are respectively provided with a cross rod, the lower ends of the two cross rods are respectively provided with two supporting rods, the supporting rods are arranged on the support body, the support body is provided with two support bodies, lifting mechanisms are arranged on the two support bodies, side protection assemblies are arranged at two sides of the support body, and a lower support assembly is arranged at the lower end of the support body.

Through adopting above-mentioned technical scheme, through mutually supporting of wire rod external member and connecting piece, not only make things convenient for the quick assembly disassembly of wire rod external member, the body of rod free rotation of installing the drum can also be guaranteed simultaneously, make things convenient for the unwrapping wire, and utilize elevating system can lift up the drum after the installation, it is very convenient to use, utilize side protective assembly and under bracing subassembly to cushion the vibrations that the unwrapping wire support received simultaneously, also can support the reinforcement to the both sides of unwrapping wire support, can effectually prevent turning on one's side of unwrapping wire support, the stability of unwrapping wire support has been improved greatly.

Further, the line pole external member includes the body of rod, axle sleeve and locating hole, two axle sleeves are installed to the both sides of the body of rod, two the surface of axle sleeve has all been seted up two locating holes.

Through adopting above-mentioned technical scheme, utilize the axle sleeve not only to guarantee the free rotation of the body of rod, still be convenient for simultaneously to the spacing of the body of rod.

Further, the connecting piece comprises an installation block, an installation cavity, a threaded rod, a rotating block, a moving block, a clamping block and a positioning block, the installation block is fixed on the cross rod, the installation block is provided with two installation cavities, the threaded rod is rotatably connected in the installation cavity through a bearing, the threads of the threaded rod in the two installation cavities are reverse, one end of the threaded rod penetrates through the installation cavity and is fixedly connected with the rotating block, the surfaces of the threaded rod in the two installation cavities are in threaded connection with the moving block, the upper end of the moving block penetrates through the installation cavity and is fixedly connected with the clamping block, the clamping block is of an arc structure, the inner side of the clamping block is fixedly connected with the positioning block, and the positioning block is connected with the positioning hole in a clamping manner.

Through adopting above-mentioned technical scheme, drive the threaded rod through rotating rotatory piece and rotate, the threaded rod makes the movable block remove, and the clamp splice on the movable block removes towards the axle sleeve, and the locating piece stretches into in the locating hole, and then installs the body of rod fast.

Further, the bracing piece includes loop bar, interior pole, regulation hole and fitting pin, the loop bar is fixed on the support body, interior pole is fixed on the horizontal pole, the interior pole has been cup jointed to the inside of loop bar, the surface of interior pole is equidistant has seted up the regulation hole, the surface mounting of loop bar has the fitting pin, the one end of fitting pin extends to the inside of regulation hole.

Through adopting above-mentioned technical scheme, utilize the bracing piece to support the body of rod of installing the drum to and the bracing piece adopts and to carry out corresponding regulation when guaranteeing that elevating system goes up and down with adjustable.

Further, the lifting mechanism comprises a transmission case, a transmission shaft, a transmission bevel gear, a motor, a driving bevel gear, a screw rod and a driven bevel gear, the transmission boxes are fixed on the frame bodies, two transmission boxes are arranged on the two frame bodies, a transmission shaft is rotatably connected between the two transmission boxes on the same frame body, two ends of the transmission shaft extend to the inner side of the transmission case and are fixedly connected with a transmission bevel gear, the outer side of the transmission case at one side of the frame body is fixedly connected with a motor, the transmission end of the motor extends to the inner side of the transmission case and is connected with a driving bevel gear in a transmission way, the screw rod is rotatably arranged in grooves at two sides of the frame body through a bearing, the screw rod is in threaded connection with the cross rod, the upper end of the screw rod extends to a driven helical gear fixedly connected inside the transmission box, and the driven helical gear is meshed with the driving helical gear and the transmission helical gear which are adjacent to each other.

Through adopting above-mentioned technical scheme, utilize the motor to drive the rotation of initiative helical gear, the initiative helical gear drives driven helical gear, driven helical gear drives a lead screw and rotates, driven helical gear drives adjacent transmission helical gear and rotates, the transmission helical gear drives another transmission helical gear through the transmission shaft and rotates, the transmission helical gear drives adjacent driven helical gear and rotates, driven helical gear drives adjacent lead screw and rotates, it goes up and down to drive the horizontal pole through the pivoted lead screw, and then the body of rod that will install the drum of being convenient for lifts.

Further, the side protection subassembly includes threaded sleeve, threaded inner tube, movable block, spring one, gag lever post and conical rod, threaded sleeve fixes on the support body, threaded sleeve's inboard threaded connection has the threaded inner tube, the lower extreme fixedly connected with movable block of threaded inner tube, the lower extreme fixedly connected with spring one and the gag lever post of movable block, the lower extreme fixedly connected with conical rod of spring one, the lower extreme of gag lever post passes the spring and extends to the inboard of conical rod in the lump, gag lever post and conical rod lock joint.

Through adopting above-mentioned technical scheme, through rotating the movable block and with the intraductal roll-out of threaded inner tube follow thread bush for the toper pole inserts ground, utilizes side protective assembly to support the reinforcement to the side of unwrapping wire support, can effectually prevent overturning of unwrapping wire support.

Further, the lower support component comprises a second spring, a guide rod, a lower shell, a rubber pad, a support plate, an adjusting rod, a fixing block and a universal wheel, the second spring and the guide rod are both fixed at the lower end of the frame body and are distributed at equal intervals, the lower end of the second spring is fixedly connected with a lower shell, the lower end of the guide rod penetrates through the second spring and extends into the lower shell, the guide rod is buckled with the lower shell, the lower end of the lower shell is fixedly connected with a rubber pad, the lower end surface of the rubber pad is in a sawtooth shape, two supporting plates are fixedly connected with two sides of the lower shell, the supporting plates are in an L-shaped structure, the upper end threaded connection of backup pad has the regulation pole, the upper end fixedly connected with fixed block of adjusting the pole, the inboard fixedly connected with universal wheel that the lower extreme of adjusting the pole extends to the backup pad.

Through adopting above-mentioned technical scheme, the vibrations that receive in the usable spring two with the unwrapping wire support use are cushioned, drive the universal wheel that adjusts the pole lower extreme through rotating the fixed block simultaneously and go up and down to and utilize the rubber pad can prevent that the unwrapping wire support from sliding when the unwrapping wire, and then can place the unwrapping wire support steadily at the unwrapping wire in-process.

The utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the side protection component and the lower support component, the vibration of the pay-off support can be buffered by utilizing the side protection component and the lower support component, and the two sides of the pay-off support can also be supported and reinforced, so that the side turning of the pay-off support can be effectively prevented, and meanwhile, the universal wheel on the lower support component can be lifted, so that the contact area of the whole support and the ground is greatly increased, and the pay-off support can be effectively prevented from sliding in the use process by additionally arranging the rubber pad, so that the stability of the pay-off support is greatly improved.

2. According to the utility model, through the mutual matching of the wire rod sleeve and the connecting piece, the wire rod sleeve is convenient to rapidly disassemble and assemble, the free rotation of the rod body provided with the wire coil can be ensured, the wire coil is convenient to pay off, and the installed wire coil can be lifted by utilizing the lifting mechanism, so that the wire coil is very convenient and fast to use.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Description of the drawings:

the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic front view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a portion of a frame according to an embodiment of the present invention;

FIG. 4 is a schematic view of a wire rod kit and a connector assembly according to an embodiment of the present invention;

reference numerals: 1. a wire rod kit; 2. a connecting member; 3. a cross bar; 4. a support bar; 5. a lifting mechanism; 6. a frame body; 7. a side guard assembly; 8. a lower support assembly; 11. a rod body; 12. a shaft sleeve; 13. positioning holes; 21. mounting blocks; 22. installing a cavity; 23. a threaded rod; 24. rotating the block; 25. a moving block; 26. a clamping block; 27. positioning blocks; 41. a loop bar; 42. an inner rod; 43. an adjustment hole; 44. a locking pin; 51. a transmission case; 52. a drive shaft; 53. a transmission bevel gear; 54. a motor; 55. a driving bevel gear; 56. a screw rod; 57. a driven helical gear; 71. a threaded bushing; 72. a threaded inner tube; 73. a movable block; 74. a first spring; 75. a limiting rod; 76. a tapered rod; 81. a second spring; 82. a guide bar; 83. a lower housing; 84. a rubber pad; 85. a support plate; 86. adjusting a rod; 87. a fixed block; 88. a universal wheel.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Referring to fig. 1, 2, 3 and 4, an embodiment of the utility model provides a pay-off stand with good stability, which includes a wire rod kit 1 and a stand body 6, two ends of the wire rod kit 1 are provided with two connecting pieces 2, the wire rod kit 1 includes a rod body 11, shaft sleeves 12 and positioning holes 13, two shaft sleeves 12 are installed on two sides of the rod body 11, two positioning holes 13 are respectively installed on outer surfaces of the two shaft sleeves 12, the shaft sleeves 12 can ensure free rotation of the rod body 11 and facilitate limiting of the rod body 11, the connecting pieces 2 include an installation block 21, an installation cavity 22, a threaded rod 23, a rotation block 24, a movement block 25, a clamping block 26 and a positioning block 27, the installation block 21 is fixed on a cross rod 3, the installation block 21 is provided with two installation cavities 22, the installation cavity 22 is rotatably connected with the threaded rod 23 through a bearing, threads of the threaded rod 23 in the two installation cavities 22 are reversed, one end of the threaded rod 23 penetrates through the installation cavity 22 and is fixedly connected with a rotating block 24, the surfaces of the threaded rods 23 in the two installation cavities 22 are in threaded connection with moving blocks 25, the upper ends of the moving blocks 25 penetrate through the installation cavity 22 and are fixedly connected with clamping blocks 26, the clamping blocks 26 are of arc-shaped structures, the inner sides of the clamping blocks 26 are fixedly connected with positioning blocks 27, the positioning blocks 27 are in clamping connection with the positioning holes 13, the threaded rods 23 are driven to rotate by rotating the rotating blocks 24, the moving blocks 25 are driven to move by the threaded rods 23, the clamping blocks 26 on the moving blocks 25 move towards the shaft sleeve 12, the positioning blocks 27 extend into the positioning holes 13, the rod bodies 11 are further quickly installed, the lower ends of the two connecting pieces 2 are respectively provided with two cross rods 3, the lower ends of the two cross rods 3 are respectively provided with two support rods 4, each support rod 4 comprises a sleeve rod 41, an inner rod 42, an adjusting hole 43 and a locking pin 44, the sleeve rod 41 is fixed on the frame body 6, and the cross rods 42 are fixed on the cross rods 3, an inner rod 42 is sleeved inside a loop bar 41, adjusting holes 43 are formed in the surface of the inner rod 42 at equal intervals, locking pins 44 are mounted on the surface of the loop bar 41, one ends of the locking pins 44 extend into the adjusting holes 43, the rod body 11 provided with a wire coil is supported by using a support rod 4, the support rod 4 is adjustable to ensure that a lifting mechanism 5 can be adjusted correspondingly when lifted, the support rods 4 are mounted on frame bodies 6, two frame bodies 6 are provided, the lifting mechanism 5 is mounted on the two frame bodies 6, the lifting mechanism 5 comprises transmission boxes 51, transmission shafts 52, transmission bevel gears 53, a motor 54, driving bevel gears 55, lead screws 56 and driven bevel gears 57, the transmission boxes 51 are fixed on the frame bodies 6, the two transmission boxes 51 are respectively arranged on the two frame bodies 6, the transmission shafts 52 are rotatably connected between the two transmission boxes 51 on the same frame body 6, and the transmission bevel gears 53 are fixedly connected to the inner sides of the transmission shafts 52, the outer side of the transmission case 51 at one side of the frame body 6 is fixedly connected with a motor 54, the transmission end of the motor 54 extends to the inner side of the transmission case 51 and is in transmission connection with a driving bevel gear 55, a lead screw 56 is rotatably installed in grooves at two sides of the frame body 6 through a bearing, the lead screw 56 is in threaded connection with the cross bar 3, the upper end of the lead screw 56 extends to the inner side of the transmission case 51 and is fixedly connected with a driven bevel gear 57, the driven bevel gear 57 is in meshing connection with the adjacent driving bevel gear 55 and the adjacent transmission bevel gear 53, the driving bevel gear 55 is driven by the motor 54 to rotate, the driving bevel gear 55 drives the driven bevel gear 57, the driven bevel gear 57 drives one lead screw 56 to rotate, the driven bevel gear 57 drives the adjacent transmission bevel gear 53 to rotate, the transmission bevel gear 53 drives the other transmission bevel gear 53 to rotate through the transmission shaft 52, the adjacent driven bevel gear 53 drives the adjacent driven bevel gear 57 to rotate, the adjacent lead screw 56 to rotate by the driven bevel gear 57, the cross rod 3 is driven to lift through the rotating screw rod 56, so that the rod body 11 provided with the wire coil is conveniently lifted.

Referring to fig. 1 and 2, the side protection assemblies 7 are disposed on two sides of the frame body 6, each side protection assembly 7 includes a threaded sleeve 71, a threaded inner tube 72, a movable block 73, a first spring 74, a limiting rod 75 and a tapered rod 76, the threaded sleeve 71 is fixed on the frame body 6, the threaded inner tube 72 is in threaded connection with the inner side of the threaded sleeve 71, the movable block 73 is fixedly connected with the lower end of the threaded inner tube 72, the first spring 74 and the limiting rod 75 are fixedly connected with the lower end of the movable block 73, the tapered rod 76 is fixedly connected with the lower end of the first spring 74, the lower end of the limiting rod 75 passes through the first spring 74 and extends to the inner side of the tapered rod 76, the limiting rod 75 is fastened with the tapered rod 76, the threaded inner pipe 72 is rotated out of the threaded sleeve 71 by rotating the movable block 73, so that the tapered rod 76 is inserted into the ground, and the side edge of the pay-off bracket is supported and reinforced by the side protection assembly 7, so that the pay-off bracket can be effectively prevented from being turned over.

Referring to fig. 1 and 2, a lower support assembly 8 is disposed at the lower end of a frame body 6, the lower support assembly 8 includes a second spring 81, a guide rod 82, a lower housing 83, a rubber pad 84, a support plate 85, an adjustment rod 86, a fixing block 87 and a universal wheel 88, the second spring 81 and the guide rod 82 are both fixed at the lower end of the frame body 6, the second spring 81 and the guide rod 82 are both distributed at equal intervals, the lower end of the second spring 81 is fixedly connected with the lower housing 83, the lower end of the guide rod 82 passes through the second spring 81 and extends into the lower housing 83, the guide rod 82 is fastened with the lower housing 83, the lower end of the lower housing 83 is fixedly connected with the rubber pad 84, the lower end of the rubber pad 84 is serrated, two support plates 85 are fixedly connected to two sides of the lower housing 83, the support plates 85 are L-shaped, the upper ends of the support plates 85 are threadedly connected with the adjustment rod 86, the upper ends of the adjustment rod 86 are fixedly connected with the fixing block 87, the lower end of the adjustment rod 86 extends to the inner side of the support plates 85 and is fixedly connected with the universal wheel 88, the vibration that receives in the usable spring two 81 will unwrapping wire support use is cushioned, drives universal wheel 88 of adjusting the pole 86 lower extreme through rotating fixed block 87 simultaneously and goes up and down to and utilize rubber pad 84 can prevent that the unwrapping wire support from sliding when unwrapping wire, and then can place the unwrapping wire support steadily at the unwrapping wire in-process.

The implementation mode is specifically as follows: when the device is used, the rod body 11 provided with the wire coil is placed on the mounting block 21, the rotating block 24 is rotated to drive the threaded rod 23 to rotate, the threaded rod 23 enables the moving block 25 to move, the clamping block 26 on the moving block 25 moves towards the shaft sleeve 12, the positioning block 27 extends into the positioning hole 13, so that the rod body 11 is rapidly mounted, the locking pin 44 is screwed out, a power supply of the motor 54 is switched on, the motor 54 drives the driving bevel gear 55 to rotate, the driving bevel gear 55 drives the driven bevel gear 57, the driven bevel gear 57 drives one lead screw 56 to rotate, the driven bevel gear 57 drives the adjacent transmission bevel gear 53 to rotate, the transmission bevel gear 53 drives the other transmission bevel gear 53 to rotate through the transmission shaft 52, the transmission bevel gear 53 drives the adjacent driven bevel gear 57 to rotate, the driven bevel gear 57 drives the adjacent lead screw 56 to rotate, the cross rod 3 is driven to lift through the rotating lead screw 56, so that the rod body 11 provided with the wire coil is lifted, the loop bar 41 and the inner rod 42 are locked by the locking pin 44, the fixing block 87 is rotated, the fixing block 87 drives the adjusting rod 86 to rotate, the universal wheel 88 is put down through the adjusting rod 86, the pay-off support is pushed to a use place, then the fixing block 87 is rotated reversely, the universal wheel 88 is packed up, the rubber pad 84 is in contact with the ground, the threaded inner pipe 72 is rotated out of the threaded sleeve 71 by rotating the movable block 73, the tapered rod 76 is inserted into the ground, the side of the pay-off support is supported and reinforced by the side protection assembly 7, the pay-off support can be effectively prevented from being turned over, when vibration is generated in the pay-off process, the spring two 81 can buffer the received vibration, the pay-off support is prevented from being turned over due to the vibration, and the placing stability of the pay-off support is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a good unwrapping wire support of stability, includes line pole external member (1) and support body (6), its characterized in that, the both ends of line pole external member (1) are provided with two connecting piece (2), two the lower extreme of connecting piece (2) is provided with horizontal pole (3), two the lower extreme of horizontal pole (3) is provided with two bracing pieces (4) respectively, install at support body (6) bracing piece (4), support body (6) are provided with two, two install elevating system (5) on support body (6), the both sides of support body (6) are provided with side protection component (7), the lower extreme of support body (6) is provided with under bracing subassembly (8).

2. The pay-off stand of claim 1, wherein: the wire rod external member (1) comprises a rod body (11), shaft sleeves (12) and positioning holes (13), wherein the two shaft sleeves (12) are installed on two sides of the rod body (11), and the two positioning holes (13) are formed in the outer surfaces of the shaft sleeves (12).

3. The pay-off stand of claim 2, wherein: the connecting piece (2) comprises an installation block (21), installation cavities (22), a threaded rod (23), a rotating block (24), a moving block (25), clamping blocks (26) and a positioning block (27), the installation block (21) is fixed on the cross rod (3), the installation block (21) is provided with two installation cavities (22), the installation cavity (22) is rotatably connected with the threaded rod (23) through a bearing, the threads of the threaded rod (23) in the two installation cavities (22) are reversed, one end of the threaded rod (23) penetrates through the installation cavity (22) and is fixedly connected with the rotating block (24), the surface threads of the threaded rod (23) in the two installation cavities (22) are connected with the moving block (25), the upper end of the moving block (25) penetrates through the installation cavity (22) and is fixedly connected with the clamping blocks (26), and the clamping blocks (26) are of an arc-shaped structure, the inner side of the clamping block (26) is fixedly connected with a positioning block (27), and the positioning block (27) is connected with the positioning hole (13) in a clamping mode.

4. The pay-off stand of claim 1, wherein: bracing piece (4) are including loop bar (41), interior pole (42), regulation hole (43) and fitting pin (44), loop bar (41) are fixed on support body (6), interior pole (42) are fixed on horizontal pole (3), interior pole (42) have been cup jointed to the inside of loop bar (41), regulation hole (43) have been seted up to the equidistant interval in surface of interior pole (42), the surface mounting of loop bar (41) has fitting pin (44), the one end of fitting pin (44) extends to the inside of regulation hole (43).

5. The pay-off stand of claim 1, wherein: the lifting mechanism (5) comprises transmission boxes (51), transmission shafts (52), transmission bevel gears (53), motors (54), driving bevel gears (55), screw rods (56) and driven bevel gears (57), the transmission boxes (51) are fixed on the frame body (6), two transmission boxes (51) are arranged on the two frame bodies (6), the transmission shafts (52) are rotatably connected between the two transmission boxes (51) on the same frame body (6), the two ends of each transmission shaft (52) extend to the inner sides of the transmission boxes (51) and are fixedly connected with the transmission bevel gears (53), the motors (54) are fixedly connected to the outer sides of the transmission boxes (51) on one side of the frame body (6), the transmission ends of the motors (54) extend to the inner sides of the transmission boxes (51) and are connected with the driving bevel gears (55), and the screw rods (56) are rotatably installed in grooves on the two sides of the frame body (6) through bearings, the screw rod (56) is in threaded connection with the cross rod (3), a driven bevel gear (57) is fixedly connected to the inner portion, extending to the transmission box (51), of the upper end of the screw rod (56), and the driven bevel gear (57) is in meshed connection with the adjacent driving bevel gear (55) and the adjacent transmission bevel gear (53).

6. The pay-off stand of claim 1, wherein: side protection component (7) are including threaded sleeve (71), screw thread inner tube (72), movable block (73), spring (74), gag lever post (75) and conical rod (76), threaded sleeve (71) are fixed on support body (6), the inboard threaded connection of threaded sleeve (71) has screw thread inner tube (72), the lower extreme fixedly connected with movable block (73) of screw thread inner tube (72), the lower extreme fixedly connected with spring (74) and gag lever post (75) of movable block (73), the lower extreme fixedly connected with conical rod (76) of spring (74), the lower extreme of gag lever post (75) passes spring (74) and extends to the inboard of conical rod (76), gag lever post (75) and conical rod (76) lock joint.

7. The pay-off stand of claim 1, wherein: the lower support assembly (8) comprises a second spring (81), a guide rod (82), a lower shell (83), a rubber pad (84), support plates (85), an adjusting rod (86), a fixing block (87) and universal wheels (88), the second spring (81) and the guide rod (82) are fixed at the lower end of the frame body (6), the second spring (81) and the guide rod (82) are distributed at equal intervals, the lower end of the second spring (81) is fixedly connected with the lower shell (83), the lower end of the guide rod (82) penetrates through the second spring (81) and extends to the inside of the lower shell (83), the guide rod (82) is fastened with the lower shell (83), the lower end of the lower shell (83) is fixedly connected with the rubber pad (84), the lower end of the rubber pad (84) is in a sawtooth shape, two support plates (85) are fixedly connected to two sides of the lower shell (83), the utility model discloses a pair of adjustable support plate, including backup pad (85), upper end threaded connection has regulation pole (86), the upper end fixedly connected with fixed block (87) of adjusting pole (86), the lower extreme of adjusting pole (86) extends to inboard fixedly connected with universal wheel (88) of backup pad (85), backup pad (85) are L font structure, the upper end threaded connection of backup pad (85) has adjusting pole (86), adjust pole (86).

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