CN213505254U - Portable drawing drum - Google Patents

Abstract

A portable pay-off reel is characterized in that an intermediate disc is sleeved on the outer peripheral wall of the middle of an intermediate cylinder through a positioning bolt, a first transition cylinder and a second transition cylinder are respectively welded on the left side and the right side of the intermediate cylinder correspondingly, the outer diameter of the intermediate cylinder is respectively larger than or equal to the maximum outer diameter of the first transition cylinder and the maximum outer diameter of the second transition cylinder, a left end port of a main disc inner cylinder is detachably connected with the right side surface of a main disc, a third transition cylinder is welded on the right side inner peripheral wall of the main disc inner cylinder, the inner peripheral wall is sleeved outside the intermediate cylinder part on the left side of the intermediate disc, the third transition cylinder is in threaded connection with the first transition cylinder, the right end face of the main disc inner cylinder is tightly propped against the left side surface of the intermediate disc, a right end port of an auxiliary disc inner cylinder is detachably connected with the left side surface of the auxiliary disc, a fourth transition cylinder is welded on the left side inner peripheral wall of the auxiliary disc inner cylinder, the inner peripheral wall, the left end surface of the inner cylinder of the auxiliary disk is tightly propped against the right side surface of the middle disk.

Description

Portable drawing drum

Technical Field

The utility model relates to a drum that photoelectric communication cable used specifically is a portable drawing drum.

Background

In the prior art, a pay-off reel is generally formed by fixedly welding a main reel and an intermediate reel together through a cylinder body between the main reel and the intermediate reel, and then welding an auxiliary reel on one side surface of the main reel and/or the intermediate reel.

On one hand, in the existing wire coil, a main disk, an intermediate disk and an auxiliary disk are fixedly connected together, and any one of the main disk, the intermediate disk and the auxiliary disk is deformed and damaged and cannot be replaced, so that the maintenance and the practicability are poor;

on the other hand, in the optical communication cable, the total weight of the optical fiber wound on the coil is often relatively light (generally 30-60 jin), and theoretically, an operator can completely and manually lift and carry the optical fiber to pay off the optical fiber, but in fact, due to the heavy weight of the existing coil, the manual lifting and carrying of the optical fiber cannot be realized to pay off the optical fiber.

Disclosure of Invention

The utility model aims to provide a: to the not enough of above-mentioned prior art, provide a portable drawing drum of detachable.

The utility model discloses a technical scheme be, a portable drawing drum, the drawing drum includes intermediate cylinder, location bolt, intermediate disc, first transition barrel, second transition barrel, main disc inner tube, third transition barrel, left side ring body, main disc, auxiliary disc inner tube, fourth transition barrel, right side ring body and auxiliary disc, two location pinholes have been seted up on the periphery wall of intermediate cylinder's middle department, and the line of these two location pinholes passes through the center of this intermediate cylinder, the location bolt is two, and every location bolt is equallyd divide into upper and lower two sections, and upper segment location bolt sets up the bolt head of regular polygon, and hypomere location bolt sets up the bolt pole that has the external screw thread, and every bolt pole corresponds to in the central direction of intermediate cylinder inserts a location pinhole, inserts lock nut on the part in the intermediate cylinder makes bolt head, wrong twist soon, The locking nut is respectively and correspondingly pressed against the outer peripheral wall surface and the inner peripheral wall surface of the middle cylinder, the middle disc is provided with a central hole matched with the outer diameter of the middle cylinder, the central hole is provided with two bolt grooves which are respectively corresponding to and matched with bolt heads of positioning bolts, the middle disc is sleeved at the middle part of the middle cylinder, so that the bolt heads of the positioning bolts are inserted into the bolt grooves on the central hole of the middle disc, the left side of the middle cylinder is welded with a first transition cylinder, the right side of the middle cylinder is welded with a second transition cylinder, the outer diameter of the middle cylinder is larger than or equal to the maximum outer diameter of the first transition cylinder and larger than or equal to the maximum outer diameter of the second transition cylinder, the left end opening of the main disc inner cylinder is welded with a left annular body, and the left side surface of the left annular body is detachably connected with the right side surface of the main disc through a threaded fastener, the inner peripheral wall of the right side of the main disc inner cylinder is welded with a third transition cylinder body, the inner peripheral wall of the right side of the main disc inner cylinder is sleeved outside the middle cylinder part positioned on the left side of the middle disc, the third transition cylinder body of the main disc inner cylinder and the first transition cylinder body of the middle cylinder are screwed with each other, the end face of the right end of the main disc inner cylinder is tightly propped against the left side face of the middle disc,

the right end port of the auxiliary disc inner cylinder is welded with a right annular body, the right side face of the right annular body is detachably connected with the left side face of the auxiliary disc through a threaded fastener, the inner peripheral wall of the left side of the auxiliary disc inner cylinder is welded with a fourth transition cylinder, the inner peripheral wall of the left side of the auxiliary disc inner cylinder is sleeved outside the middle cylinder part on the right side of the middle disc, the fourth transition cylinder of the auxiliary disc inner cylinder and the second transition cylinder of the middle cylinder are in threaded connection with each other, and the left end face of the auxiliary disc inner cylinder is tightly propped against the right side face of the middle disc.

The first transition cylinder body is divided into a left section and a right section, external threads are arranged on the outer peripheral wall of the left section of the first transition cylinder body and matched with internal threads arranged on a third transition cylinder body on the inner peripheral wall of the right section of the main disc inner cylinder, and the outer peripheral wall of the right section of the first transition cylinder body is welded on the inner peripheral wall of the left end of the middle cylinder; the second transition barrel falls into left and right two sections, is provided with the external screw thread on the periphery wall of right side section second transition barrel, match in the internal thread that sets up on the fourth transition barrel on the internal perisporium of auxiliary inner drum left side section, the periphery wall welding of left side section second transition barrel is in on the internal perisporium of the right-hand member of middle section of thick bamboo.

The main disc, the auxiliary disc and the intermediate disc are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm.

Furthermore, the main disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the main disc as a central point, a plurality of circular lightening holes are arranged between two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the main disc; the middle disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the middle disc as a central point, a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the middle disc; the auxiliary disc takes the center of the auxiliary disc as a central point and is provided with at least six circular lightening holes in an annular array mode; wherein the area of the fan-shaped lightening holes is larger than that of the circular lightening holes.

The main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all 1-1.5 mm.

The pay-off reel further comprises a pair of shaft sleeves, namely a left shaft sleeve and a right shaft sleeve, a main reel center hole is formed in the center of the main reel, an auxiliary reel center hole is formed in the center of the auxiliary reel, the left shaft sleeve mainly comprises a first supporting rod and a first supporting cap which are integrally formed, the outer diameter of the first supporting rod is equal to the inner diameter of the main reel center hole, the first supporting cap takes the center of the first supporting cap as a central point, at least six mounting holes are formed in an annular array mode, and the outer diameter of the first supporting cap is larger than the inner diameter of the main reel center hole; the right shaft sleeve mainly comprises a second supporting rod and a second supporting cap which are integrally formed, the outer diameter of the second supporting rod is equal to the inner diameter of the central hole of the main disc, the second supporting cap takes the center of the second supporting cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the second supporting cap is larger than the inner diameter of the central hole of the auxiliary disc.

The utility model has the advantages that:

1. the utility model discloses can dismantle, be convenient for change, maintain. Specifically, the middle cylinder, the positioning bolt, the middle disc, the main disc inner cylinder, the main disc, the auxiliary disc inner cylinder and the auxiliary disc tool can be disassembled and replaced, and the disassembly and the replacement can be selectively carried out.

2. In the utility model, the main plate, the auxiliary plate and the intermediate plate are all made of aluminum alloy, and the thickness of the main plate, the auxiliary plate and the intermediate plate is 4 mmm-6 mm; the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all designed to be 1-1.5 mm. In addition, at least six fan-shaped lightening holes are arranged on the main disc in an annular array mode by taking the center of the main disc as a central point, and a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes; the auxiliary disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the auxiliary disc as a central point, and a plurality of circular lightening holes are formed between every two adjacent fan-shaped lightening holes; the middle disc takes the center of the middle disc as a central point and is provided with at least six circular lightening holes in an annular array mode. Thereby make the drawing drum light in weight on the whole, the operating personnel of being convenient for more mentions, carries the drum that coils and have optic fibre and pay off.

3. The utility model discloses in, through the drawing drum still includes a pair of axle sleeve, the design of left axle sleeve, right axle sleeve promptly to make things convenient for this drum to place on the drum support after coiling optic fibre, in order to realize on-vehicle transport.

Drawings

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

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the intermediate cylinder, the positioning latch, the left ring body, the inner cylinder of the sub disc, and the sub disc of fig. 1.

FIG. 3 is a schematic view of the main disk, main disk inner cylinder, intermediate disk, positioning socket, positioning latch, auxiliary disk inner cylinder and right side ring body of FIG. 1.

Fig. 4 is a schematic view of the main disc of fig. 1.

Fig. 5 is a schematic view of the left annular body in fig. 1.

FIG. 6 is a front view of the main disc inner cartridge of FIG. 1.

Fig. 7 is a schematic view of the intermediate tray of fig. 1.

Fig. 8 is a schematic view of the intermediate cartridge of fig. 1.

Fig. 9 is a schematic view of the retaining latch of fig. 1.

FIG. 10 is a front view of the inner sleeve of the auxiliary disk of FIG. 1.

Fig. 11 is a schematic view of the right annular body of fig. 1.

Fig. 12 is a schematic view of the sub disc of fig. 1.

Fig. 13 is a schematic view of the left bushing of the present invention.

Fig. 14 is a schematic view of a right bushing according to the present invention.

The reference numbers in the figures mean: 1-intermediate cylinder; 101-a first transition cylinder; 102-a second transition cylinder; 103-positioning pin holes; 2, positioning a bolt; 201-bolt head; 202-a latch rod; 3-intermediate disc; 301-sector lightening holes; 302-circular lightening holes; 303-center hole; 304-a latch slot; 4, an inner cylinder of a main disc; 401 — third transition cylinder; 402-left annular body; 4021-fifth connecting hole; 5, a main disc; 501, fan-shaped lightening holes; 502-circular lightening holes; 503 — a first connection hole; 504-second connection hole; 6-inner cylinder of auxiliary disc; 601-a fourth transition cylinder; 602-right annular body; 6021-sixth connecting hole; 7-auxiliary disc; 701 — a third connection hole; 702 — a fourth connection hole; 703-round lightening holes; 8-left axle sleeve; 801 — a first support bar; 802 — a first support cap; 803-mounting holes; 9-right shaft sleeve; 901-a second support bar; 902 — a second support cap; 903-mounting hole.

Detailed Description

Example 1

Referring to fig. 1 to 14: the utility model relates to a portable pay-off reel, which comprises a middle cylinder 1, a positioning bolt 2, a middle disc 3, a first transition cylinder 101, a second transition cylinder 102, a main disc inner cylinder 4, a third transition cylinder 401, a left annular body 402, a main disc 5, an auxiliary disc inner cylinder 6, a fourth transition cylinder 601, a right annular body 602 and an auxiliary disc 7,

two positioning pin holes 103 are arranged on the peripheral wall of the middle part of the middle cylinder 1, and the connecting line of the two positioning pin holes 103 passes through the center of the middle cylinder 1,

the number of the positioning bolts 2 is two, each positioning bolt 2 is divided into an upper section and a lower section (the upper section positioning bolt is integrally connected with the lower section positioning bolt), the upper section positioning bolt is provided with a regular polygonal bolt head 201 (in the embodiment, the bolt head 201 is a regular quadrangle), the lower section positioning bolt is provided with a bolt rod 202 with an external thread, each bolt rod 202 is correspondingly inserted into one positioning pin hole 103 towards the center direction of the middle barrel 1, a locking nut is screwed on the part inserted into the middle barrel 1, so that the bolt head 201 and the locking nut are respectively and correspondingly pressed against the outer peripheral wall surface and the inner peripheral wall surface of the middle barrel 1,

the middle disc 3 is provided with a central hole 303 matched with the outer diameter of the middle cylinder 1, the central hole 303 is provided with two bolt grooves 304, the two bolt grooves 304 correspond to and are matched with the bolt heads 201 of the positioning bolts 2 respectively, the middle disc 3 is sleeved at the middle of the middle cylinder 1, so that the bolt heads 201 of the positioning bolts 2 are inserted into the bolt grooves 304 in the central hole 303 of the middle disc 3, and the rotation of the middle disc 3 in the circumferential direction is limited.

The left side of the middle cylinder 1 is welded with a first transition cylinder 101, the right side is welded with a second transition cylinder 102, and the outer diameter of the middle cylinder 1 is larger than or equal to the maximum outer diameter of the first transition cylinder 101 and larger than or equal to the maximum outer diameter of the second transition cylinder 102. Specifically, the first transition cylinder 101 is divided into a left section and a right section, an external thread is arranged on the outer peripheral wall of the left section of the first transition cylinder and matched with an internal thread arranged on a third transition cylinder 401 arranged on the inner peripheral wall of the right section of the main disc inner cylinder 4, and the outer peripheral wall of the right section of the first transition cylinder is welded on the inner peripheral wall of the left end of the middle cylinder 1; the second transition cylinder 102 is divided into a left section and a right section, an external thread is arranged on the external peripheral wall of the second transition cylinder at the right section, the external thread is matched with an internal thread arranged on a fourth transition cylinder 601 on the internal peripheral wall at the left section of the auxiliary disc inner cylinder 6, and the external peripheral wall of the second transition cylinder at the left section is welded on the internal peripheral wall at the right end of the middle cylinder 1.

A left annular body 402 (e.g., a flange) is welded to a left end port of the main disc inner cylinder 4, a left side surface of the left annular body 402 is detachably connected to a right side surface of the main disc 5 by a threaded fastener (the left annular body 402 is provided with six fifth connection holes 4021 in an annular array manner with a center of the left annular body 402 as a center point, the main disc 5 is provided with six first connection holes 503 in an annular array manner with the center of the main disc 5 as a center point, the fifth connection holes 4021 are in one-to-one correspondence with the first connection holes 503 and are connected by screws or bolts, when detached, the screws or bolts are removed), a third transition cylinder 401 is welded to a right inner peripheral wall of the main disc inner cylinder 4, the right inner peripheral wall of the main disc inner cylinder 4 is fitted to an outer portion of the middle cylinder portion on the left side of the middle disc 3, and the third transition cylinder 401 of the main disc inner cylinder 4 and the first transition cylinder 101 of the middle cylinder 1 are screwed to each other (the third transition cylinder 401 and the first transition cylinder 101 are cylindrical structures, the third transition cylinder 401 has internal threads, and external threads matched with the internal threads of the third transition cylinder 401 are arranged outside the first transition cylinder 101), so that the right end face of the main disc inner cylinder 4 is tightly pressed against the left side face of the intermediate disc 3.

A right annular body 602 (e.g., a flange) is welded to a right end port of the inner sub-disc cylinder 6, the right side surface of the right annular body 602 is detachably connected to the left side surface of the sub-disc 7 by a threaded fastener (the right annular body 602 has six sixth connection holes 6021 arranged in an annular array with the center of the right annular body 602 as the center point, the sub-disc 7 has six third connection holes 701 arranged in an annular array with the center of the sub-disc 7 as the center point, the sixth connection holes 6021 correspond to the third connection holes 701 one by one and are connected by screws or bolts, and when detached, the screws or bolts are removed), a fourth transition cylinder 601 is welded to the inner left side peripheral wall of the inner sub-disc cylinder 6, the inner left side peripheral wall of the inner sub-disc cylinder 6 is fitted to the outside of the middle cylinder portion on the right side of the middle disc 3, and the fourth transition cylinder 601 of the inner sub-disc cylinder 6 and the second transition cylinder 102 of the middle cylinder 1 are screwed to each other (the fourth transition cylinder 601 and the second transition cylinder 102 are cylindrical structures, the fourth transition cylinder 601 has an internal thread, and the second transition cylinder 102 is provided with an external thread matched with the internal thread of the fourth transition cylinder 601), so that the left end face of the auxiliary disc inner cylinder 6 is tightly pressed against the right side face of the intermediate disc 3.

The right end face of the main disc inner cylinder 4 is tightly pressed on the left side face of the intermediate disc 3, and the left end face of the auxiliary disc inner cylinder 6 is tightly pressed on the right side face of the intermediate disc 3 in a matched mode, so that the intermediate disc 3 is limited to move in the axial direction.

The embodiment can be detached and is convenient to replace and maintain. Specifically, the intermediate cylinder 1, the positioning bolt 2, the intermediate disk 3, the main disk inner cylinder 4, the main disk 5, the auxiliary disk inner cylinder 6 and the auxiliary disk 7 can be disassembled and replaced, and the disassembly and replacement can be selectively carried out.

The main disc 5, the auxiliary disc 7 and the intermediate disc 3 are all made of aluminum alloy, and the thickness of the main disc, the auxiliary disc and the intermediate disc is 4 mmm-6 mm. The weight is reduced.

The main disc inner cylinder 4, the auxiliary disc inner cylinder 6 and the middle cylinder 1 are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all 1-1.5 mm. The weight is reduced.

The main disc 5 is provided with at least six fan-shaped lightening holes 501 in an annular array mode by taking the center of the main disc 5 as a central point, a plurality of circular lightening holes 502 are arranged between two adjacent fan-shaped lightening holes 501, and the circular lightening holes 502 are uniformly distributed along the radial direction of the main disc 5;

the middle disc 3 is provided with at least six fan-shaped lightening holes 301 in an annular array mode by taking the center of the middle disc 3 as a central point, a plurality of circular lightening holes 302 are arranged between two adjacent fan-shaped lightening holes 301, and the circular lightening holes 302 are uniformly distributed along the radial direction of the middle disc 3;

the auxiliary disc 7 is provided with at least six circular lightening holes 703 in an annular array mode by taking the center of the auxiliary disc 7 as a central point; wherein the area of the fan-shaped lightening holes is larger than that of the circular lightening holes.

In the embodiment, the main disc 5, the auxiliary disc 7 and the intermediate disc 3 are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm; the main disc inner cylinder 4, the auxiliary disc inner cylinder 6 and the middle cylinder 1 are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all designed to be 1-1.5 mm. In addition, at least six fan-shaped lightening holes are arranged on the main disc 5 in an annular array mode by taking the center of the main disc 5 as a central point, and a plurality of circular lightening holes are arranged between two adjacent fan-shaped lightening holes; the auxiliary disc 7 is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the auxiliary disc 7 as a central point, and a plurality of circular lightening holes are formed between every two adjacent fan-shaped lightening holes; the intermediate disk 3 is provided with at least six circular lightening holes in an annular array mode by taking the center of the intermediate disk 301 as a central point. Thereby make the drawing drum light in weight on the whole, the operating personnel of being convenient for more mentions, carries the drum that coils and have optic fibre and pay off.

The pay-off reel also comprises a pair of shaft sleeves, namely a left shaft sleeve 8 and a right shaft sleeve 9, the center of the main reel 5 is provided with a main reel central hole, the center of the auxiliary reel 7 is provided with an auxiliary reel central hole,

the left shaft sleeve 8 mainly comprises a first supporting rod 801 and a first supporting cap 802 which are integrally formed, the outer diameter of the first supporting rod 801 is equal to the inner diameter of a central hole of the main disc, the first supporting cap 802 takes the center of the first supporting cap 802 as a central point and is provided with at least six mounting holes 803 in an annular array mode, and the outer diameter of the first supporting cap 802 is larger than the inner diameter of the central hole of the main disc. The first supporting rod 801 of the left shaft sleeve 8 is inserted into the central hole of the main disc, the first supporting cap 802 of the left shaft sleeve 8 is attached to the left side surface of the main disc 5, the mounting holes 803 of the first supporting cap 802 of the left shaft sleeve 8 correspond to the second connecting holes 504 of the main disc 5 one by one (4 holes), the existing mature wire coil support is U-shaped, the left side support of the wire coil support is provided with supporting holes matched with the mounting holes 803, and threaded connecting pieces such as screws or bolts sequentially pass through the supporting holes, the mounting holes 803 and the second connecting holes 504, so that the left side of the wire coil is supported on the existing mature wire coil support.

The right shaft sleeve 9 is mainly composed of a second support rod 901 and a second support cap 902 which are integrally formed, the outer diameter of the second support rod 901 is equal to the inner diameter of the central hole of the main disc, the second support cap 902 takes the center of the second support cap 902 as a central point, at least six mounting holes 903 are arranged in an annular array mode, and the outer diameter of the second support cap 902 is larger than the inner diameter of the central hole of the auxiliary disc. The second support rod 901 of the right shaft sleeve 9 is inserted into the center hole of the auxiliary disc, the second support cap 902 of the right shaft sleeve 9 is attached to the right side surface of the auxiliary disc 7, the mounting hole 903 of the second support cap 902 of the right shaft sleeve 9 is in one-to-one correspondence (4 holes) with the fourth connecting hole 702 of the auxiliary disc 7, the existing mature wire coil support is U-shaped, the right side support of the wire coil support is provided with support holes matched with the mounting hole 903, and threaded connecting pieces such as screws or bolts sequentially pass through the support holes, the mounting holes 903 and the fourth connecting hole 702, so that the left side of the wire coil is supported on the existing mature wire coil support.

In this embodiment, through the drawing drum still includes a pair of axle sleeve, left axle sleeve 8, right axle sleeve 9's design promptly to place on the drum support after making things convenient for this drum to coil optic fibre, in order to realize on-vehicle transport.

Example 2

A portable pay-off reel comprises a middle cylinder, a positioning bolt, a middle disc, a main disc inner cylinder, a left annular body, a main disc, an auxiliary disc inner cylinder, a right annular body and an auxiliary disc,

the peripheral wall of the middle part of the middle cylinder is provided with two positioning pin holes, and the connecting line of the two positioning pin holes passes through the center of the middle cylinder,

the number of the positioning bolts is two, each positioning bolt is divided into an upper section and a lower section, the upper section of the positioning bolt is provided with a regular polygonal bolt head, the lower section of the positioning bolt is provided with a bolt rod with external threads, each bolt rod is correspondingly inserted into one positioning pin hole towards the center direction of the middle barrel, the part inserted into the middle barrel is screwed with a locking nut, so that the bolt head and the locking nut are respectively and correspondingly propped against the outer peripheral wall surface and the inner peripheral wall surface of the middle barrel,

the middle disc is provided with a central hole matched with the outer diameter of the middle cylinder, the central hole is provided with two bolt grooves which are respectively corresponding to and matched with the bolt head of the positioning bolt, the middle disc is sleeved at the middle part of the middle cylinder, so that the bolt head of the positioning bolt is inserted into the bolt groove on the central hole of the middle disc,

the left end port of the main disc inner cylinder is welded with a left annular body, the left side surface of the left annular body is detachably connected with the right side surface of the main disc through a threaded fastener, a plurality of welding holes are uniformly formed in the outer peripheral wall of the right side of the main disc inner cylinder, the inner peripheral wall of the right side of the main disc inner cylinder is sleeved outside the middle cylinder part positioned on the left side of the middle disc, the welding holes are welded in the welding holes in a welding mode (the welding parts are polished to ensure that the welding holes are flush with the outer peripheral wall surface of the auxiliary disc inner cylinder after being filled and are in smooth transition), so that the right side of the main disc inner cylinder is sleeved and fixed with the corresponding middle cylinder part, meanwhile, the end surface of the right end of the main disc inner cylinder is tightly propped against the left,

the right-hand member port welding of auxiliary inner tube has the right side ring body, the right side face of this right side ring body pass through threaded fastener with the left side face of auxiliary can dismantle the connection, has evenly seted up a plurality of welding holes on the left side periphery wall of this auxiliary inner tube, and the inside perisporium suit in left side of this auxiliary inner tube is located the outside of middle section of thick bamboo part on intermediate disk right side to welding mode is welded (the welding department is through polishing, guarantee that the welding hole fills the back with the periphery wall of auxiliary inner tube flushes, and smooth transition), makes the left side of auxiliary inner tube with correspond the middle section of thick bamboo part overlaps and fixes, and simultaneously, the left end terminal surface top of this auxiliary inner tube is in on the right flank of intermediate disk.

The embodiment can be detached and is convenient to replace and maintain. Specifically, the main disc and the sub disc can be detachably replaced, and such detachable replacement can be selectively performed.

The main disc, the auxiliary disc and the intermediate disc are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm;

the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all 1-1.5 mm.

The main disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the main disc as a central point, a plurality of circular lightening holes are arranged between two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the main disc;

the middle disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the middle disc as a central point, a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the middle disc;

the auxiliary disc takes the center of the auxiliary disc as a central point and is provided with at least six circular lightening holes in an annular array mode; wherein the area of the fan-shaped lightening holes is larger than that of the circular lightening holes.

In the embodiment, the main disc, the auxiliary disc and the intermediate disc are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm; the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all designed to be 1-1.5 mm. In addition, at least six fan-shaped lightening holes are arranged on the main disc in an annular array mode by taking the center of the main disc as a central point, and a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes; the auxiliary disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the auxiliary disc as a central point, and a plurality of circular lightening holes are formed between every two adjacent fan-shaped lightening holes; the middle disc takes the center of the middle disc as a central point and is provided with at least six circular lightening holes in an annular array mode. Thereby make the drawing drum light in weight on the whole, the operating personnel of being convenient for more mentions, carries the drum that coils and have optic fibre and pay off.

The pay-off reel also comprises a pair of shaft sleeves, namely a left shaft sleeve and a right shaft sleeve, the center of the main reel is provided with a main reel center hole, the center of the auxiliary reel is provided with an auxiliary reel center hole,

the left shaft sleeve mainly comprises a first support rod and a first support cap which are integrally formed, the outer diameter of the first support rod is equal to the inner diameter of the central hole of the main disc, the first support cap takes the center of the first support cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the first support cap is larger than the inner diameter of the central hole of the main disc;

the right shaft sleeve mainly comprises a second supporting rod and a second supporting cap which are integrally formed, the outer diameter of the second supporting rod is equal to the inner diameter of the central hole of the main disc, the second supporting cap takes the center of the second supporting cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the second supporting cap is larger than the inner diameter of the central hole of the auxiliary disc.

In this embodiment, through the drawing drum still includes a pair of axle sleeve, the design of left axle sleeve, right axle sleeve promptly to place on the drum support after this drum coils optic fibre, in order to realize on-vehicle transport.

The technical solutions of the above embodiments are only used for illustrating the present invention, and not for limiting the same. Although the present invention has been described in detail with reference to the technical solutions of the foregoing embodiments, those skilled in the art should understand that: the technical scheme can be modified, or part of technical characteristics can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.

Claims (10)

1. The utility model provides a portable drawing drum which characterized in that: the pay-off reel comprises a middle cylinder, a positioning bolt, a middle disc, a first transition cylinder, a second transition cylinder, a main disc inner cylinder, a third transition cylinder, a left annular body, a main disc, an auxiliary disc inner cylinder, a fourth transition cylinder, a right annular body and an auxiliary disc,

the peripheral wall of the middle part of the middle cylinder is provided with two positioning pin holes, and the connecting line of the two positioning pin holes passes through the center of the middle cylinder,

the number of the positioning bolts is two, each positioning bolt is divided into an upper section and a lower section, the upper section of the positioning bolt is provided with a regular polygonal bolt head, the lower section of the positioning bolt is provided with a bolt rod with external threads, each bolt rod is correspondingly inserted into one positioning pin hole towards the center direction of the middle barrel, the part inserted into the middle barrel is screwed with a locking nut, so that the bolt head and the locking nut are respectively and correspondingly propped against the outer peripheral wall surface and the inner peripheral wall surface of the middle barrel,

the middle disc is provided with a central hole matched with the outer diameter of the middle cylinder, the central hole is provided with two bolt grooves which are respectively corresponding to and matched with the bolt head of the positioning bolt, the middle disc is sleeved at the middle part of the middle cylinder, so that the bolt head of the positioning bolt is inserted into the bolt groove on the central hole of the middle disc,

the left side of the middle cylinder is welded with a first transition cylinder body, the right side is welded with a second transition cylinder body, the outer diameter of the middle cylinder is larger than or equal to the maximum outer diameter of the first transition cylinder body, and is larger than or equal to the maximum outer diameter of the second transition cylinder body,

a left annular body is welded at the left end port of the main disc inner cylinder, the left side surface of the left annular body is detachably connected with the right side surface of the main disc through a threaded fastener, a third transition cylinder is welded on the inner peripheral wall of the right side of the main disc inner cylinder, the inner peripheral wall of the right side of the main disc inner cylinder is sleeved outside the middle cylinder part positioned on the left side of the middle disc, the third transition cylinder of the main disc inner cylinder is in threaded connection with the first transition cylinder of the middle cylinder, and the right end surface of the main disc inner cylinder is tightly propped against the left side surface of the middle disc,

the right end port of the auxiliary disc inner cylinder is welded with a right annular body, the right side face of the right annular body is detachably connected with the left side face of the auxiliary disc through a threaded fastener, the inner peripheral wall of the left side of the auxiliary disc inner cylinder is welded with a fourth transition cylinder, the inner peripheral wall of the left side of the auxiliary disc inner cylinder is sleeved outside the middle cylinder part on the right side of the middle disc, the fourth transition cylinder of the auxiliary disc inner cylinder and the second transition cylinder of the middle cylinder are in threaded connection with each other, and the left end face of the auxiliary disc inner cylinder is tightly propped against the right side face of the middle disc.

2. The portable drawing drum according to claim 1, wherein:

the first transition cylinder body is divided into a left section and a right section, external threads are arranged on the outer peripheral wall of the left section of the first transition cylinder body and matched with internal threads arranged on a third transition cylinder body on the inner peripheral wall of the right section of the main disc inner cylinder, and the outer peripheral wall of the right section of the first transition cylinder body is welded on the inner peripheral wall of the left end of the middle cylinder;

the second transition barrel falls into left and right two sections, is provided with the external screw thread on the periphery wall of right side section second transition barrel, match in the internal thread that sets up on the fourth transition barrel on the internal perisporium of auxiliary inner drum left side section, the periphery wall welding of left side section second transition barrel is in on the internal perisporium of the right-hand member of middle section of thick bamboo.

3. The portable drawing drum according to claim 1, wherein: the main disc, the auxiliary disc and the intermediate disc are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm.

4. The portable drawing drum according to claim 1 or 3, wherein: the main disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the main disc as a central point, a plurality of circular lightening holes are arranged between two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the main disc;

the middle disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the middle disc as a central point, a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the middle disc;

the auxiliary disc takes the center of the auxiliary disc as a central point and is provided with at least six circular lightening holes in an annular array mode; wherein the area of the fan-shaped lightening holes is larger than that of the circular lightening holes.

5. The portable drawing drum according to claim 1, wherein: the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all 1-1.5 mm.

6. The portable drawing drum according to claim 1, wherein: the pay-off reel also comprises a pair of shaft sleeves, namely a left shaft sleeve and a right shaft sleeve, the center of the main reel is provided with a main reel center hole, the center of the auxiliary reel is provided with an auxiliary reel center hole,

the left shaft sleeve mainly comprises a first support rod and a first support cap which are integrally formed, the outer diameter of the first support rod is equal to the inner diameter of the central hole of the main disc, the first support cap takes the center of the first support cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the first support cap is larger than the inner diameter of the central hole of the main disc;

the right shaft sleeve mainly comprises a second supporting rod and a second supporting cap which are integrally formed, the outer diameter of the second supporting rod is equal to the inner diameter of the central hole of the main disc, the second supporting cap takes the center of the second supporting cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the second supporting cap is larger than the inner diameter of the central hole of the auxiliary disc.

7. The utility model provides a portable drawing drum which characterized in that: the pay-off reel comprises a middle cylinder, a positioning bolt, a middle disc, a main disc inner cylinder, a left annular body, a main disc, an auxiliary disc inner cylinder, a right annular body and an auxiliary disc,

the peripheral wall of the middle part of the middle cylinder is provided with two positioning pin holes, and the connecting line of the two positioning pin holes passes through the center of the middle cylinder,

the number of the positioning bolts is two, each positioning bolt is divided into an upper section and a lower section, the upper section of the positioning bolt is provided with a regular polygonal bolt head, the lower section of the positioning bolt is provided with a bolt rod with external threads, each bolt rod is correspondingly inserted into one positioning pin hole towards the center direction of the middle barrel, the part inserted into the middle barrel is screwed with a locking nut, so that the bolt head and the locking nut are respectively and correspondingly propped against the outer peripheral wall surface and the inner peripheral wall surface of the middle barrel,

the middle disc is provided with a central hole matched with the outer diameter of the middle cylinder, the central hole is provided with two bolt grooves which are respectively corresponding to and matched with the bolt head of the positioning bolt, the middle disc is sleeved at the middle part of the middle cylinder, so that the bolt head of the positioning bolt is inserted into the bolt groove on the central hole of the middle disc,

the left end port of the main disc inner cylinder is welded with a left annular body, the left side surface of the left annular body is detachably connected with the right side surface of the main disc through a threaded fastener, the right outer peripheral wall of the main disc inner cylinder is uniformly provided with a plurality of welding holes, the inner peripheral wall of the right side of the main disc inner cylinder is sleeved outside the middle cylinder part positioned on the left side of the middle disc and is welded at the welding holes in a welding way, so that the right side of the main disc inner cylinder and the corresponding middle cylinder part are sleeved and fixed, meanwhile, the right end surface of the main disc inner cylinder is tightly propped against the left side surface of the middle disc,

the right end port of the auxiliary disc inner cylinder is welded with a right annular body, the right side face of the right annular body is detachably connected with the left side face of the auxiliary disc through a threaded fastener, a plurality of welding holes are uniformly formed in the outer peripheral wall of the left side of the auxiliary disc inner cylinder, the inner peripheral wall of the left side of the auxiliary disc inner cylinder is sleeved outside the middle cylinder part on the right side of the intermediate disc and is welded at the welding holes in a welding mode, so that the left side of the auxiliary disc inner cylinder and the corresponding middle cylinder part are overlapped and fixed, and meanwhile, the left end face of the auxiliary disc inner cylinder is tightly propped against the right side face of the intermediate disc.

8. The portable pay-off reel of claim 7, wherein:

the main disc, the auxiliary disc and the intermediate disc are all made of aluminum alloy, and the thicknesses of the main disc, the auxiliary disc and the intermediate disc are all 4 mmm-6 mm;

the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are made of stainless steel, and the thicknesses of the main disc inner cylinder, the auxiliary disc inner cylinder and the middle cylinder are all 1-1.5 mm.

9. The portable drawing drum according to claim 7 or 8, wherein:

the main disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the main disc as a central point, a plurality of circular lightening holes are arranged between two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the main disc;

the middle disc is provided with at least six fan-shaped lightening holes in an annular array mode by taking the center of the middle disc as a central point, a plurality of circular lightening holes are arranged between every two adjacent fan-shaped lightening holes, and the circular lightening holes are uniformly distributed along the radial direction of the middle disc;

the auxiliary disc takes the center of the auxiliary disc as a central point and is provided with at least six circular lightening holes in an annular array mode; wherein the area of the fan-shaped lightening holes is larger than that of the circular lightening holes.

10. The portable pay-off reel of claim 7, wherein: the pay-off reel also comprises a pair of shaft sleeves, namely a left shaft sleeve and a right shaft sleeve, the center of the main reel is provided with a main reel center hole, the center of the auxiliary reel is provided with an auxiliary reel center hole,

the left shaft sleeve mainly comprises a first support rod and a first support cap which are integrally formed, the outer diameter of the first support rod is equal to the inner diameter of the central hole of the main disc, the first support cap takes the center of the first support cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the first support cap is larger than the inner diameter of the central hole of the main disc;

the right shaft sleeve mainly comprises a second supporting rod and a second supporting cap which are integrally formed, the outer diameter of the second supporting rod is equal to the inner diameter of the central hole of the main disc, the second supporting cap takes the center of the second supporting cap as a central point and is provided with at least six mounting holes in an annular array mode, and the outer diameter of the second supporting cap is larger than the inner diameter of the central hole of the auxiliary disc.

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