Detachable reel

Abstract

The utility model belongs to the technical field of pipe production, and particularly relates to a detachable reel suitable for a flexible reinforced thermoplastic pipe capable of being coiled, a fixed disc and a detachable disc are connected through a plurality of crosspieces, inner supporting rings are arranged at the ends, close to the detachable disc, of the inner sides of the crosspieces, and supporting arc plates are arranged on the outer sides of the crosspieces; an opening and closing mechanism is correspondingly connected to the lower portion of each supporting arc plate, the multiple opening and closing mechanisms form an opening and closing system, and the end, close to the detachable disc, of the opening and closing system is driven by the driving mechanism to contract towards the center. Through the arrangement of the detachable disc and the opening and closing mechanism used for driving the supporting arc plate to be folded towards the center, the flexible pipe which is tightened on the supporting arc plate after being wound can be conveniently taken down, and the arc plate is unfolded again to assemble the detached disc so that repeated use can be facilitated.

Description

Technical Field

[0001] This application belongs to the technical field of pipe production, and particularly relates to a detachable reel applicable to flexible coiled reinforced thermoplastic plastic pipes. Background Art

[0002] When producing and winding flexible coiled reinforced thermoplastic plastic pipes (i.e., flexible coiled RTP pipes), continuous pipes are generally wound onto a winding reel. After being lifted off, they are continuously wound onto another winding reel. After the pipes are wound onto the reel, the pipes and the reel are transported to the construction site for unwinding and laying. Currently, the reel is an integral structure, mainly composed of two left and right disc plates, spokes, crossbars and other structural components and supporting arc plates welded or fixedly connected to each other. When working in the integral state, the pipes cannot be detached from the reel. The disadvantages are as follows: 1. Manufacturers need to provide a large number of reels, resulting in increased costs; 2. The reel and the pipes must be transported as a whole, and the transportation and recycling processes occupy space and are prone to damage; 3. The cost of recycling empty reels is high.

[0003] In the prior art, a relevant patent is the Chinese invention patent application with the patent number CN202111433127.9 and the name "A detachable winding reel for a pipe winding machine". Its technical solution is as follows: The present invention discloses a detachable winding reel for a pipe winding machine, which includes a front winding disc and a rear winding disc. A flat plate is provided between the front disc and the rear disc. Plastic pipes are wound around the flat plate, and the flat plate is bolted to the front disc and the rear disc, which is convenient for assembly. After winding is completed, the winding can be removed by disassembling the bolts on the unloading wheel on the front disc and the bolts on the bracket or the bolts on the rear disc.

[0004] The above-mentioned patent removes the winding by disassembling the bolts on the unloading wheel on the front disc and the bolts on the bracket or the bolts on the rear disc. The pipe winding belongs to torque winding in principle, but the pipes after disassembly in the above-mentioned patent are still tightly packed on the flat plate and difficult to remove. Summary of the Invention

[0005] In order to overcome the above problems existing in the prior art, a detachable reel applicable to flexible coiled reinforced thermoplastic plastic pipes is now proposed.

[0006] To achieve the above technical effects, the technical solution of this application is as follows:

[0007] A detachable reel includes a fixed disc plate and a detachable disc plate. The fixed disc plate and the detachable disc plate are connected to each other through a plurality of crossbars. An inner support ring is arranged at one end of the inner side of the crossbar close to the detachable disc plate, and a support arc plate is arranged on the outer side of the crossbar. A plurality of opening and closing mechanisms form an opening and closing system, and one end of the opening and closing system close to the detachable disc plate contracts towards the center under the drive of a drive mechanism.

[0008] Furthermore, at least one opening and closing mechanism among the multiple opening and closing mechanisms is connected to the driving device, and adjacent opening and closing mechanisms are connected to each other via a transmission structure.

[0009] Furthermore, multiple opening and closing mechanisms all include a screw lift, a synchronous sprocket and a mounting seat. The screw lift is fixedly mounted on a cross bar near one end of the removable disc through the mounting seat. The input end of one of the screw lifts is connected to the drive motor, and the input ends of all the screw lifts are respectively connected to a synchronous sprocket, and adjacent synchronous sprockets are connected by chains.

[0010] Furthermore, the top of the lifting screw of the screw lift is hinged to one end of the rectangular tube, the other end of the rectangular tube is hinged to the spokes of the fixed disc, the rectangular tube is fixedly connected to the inner side of the supporting arc plate, and the lifting screw drives one end of the supporting arc plate to descend or ascend.

[0011] Furthermore, the fixed disc and the removable disc are provided with a plurality of spokes along their respective radial directions and are connected to their respective center discs through the spokes. A pull plate is provided on the spokes of the removable disc, and a notch is provided on the pull plate. A live bolt mounting plate with a notch is provided on one end of the cross bar close to the removable disc, and a live bolt is provided on the live bolt mounting plate. The pull plate and the cross bar are connected through the live bolt.

[0012] Furthermore, the inner support ring extends toward the axis through the inner support ring spokes to connect to the inner support center disk, a positioning core is installed on the inner support center disk, a positioning sleeve is installed on the detachable disk center disk, the positioning core and the positioning sleeve constitute a detachable reel positioning structure, and the detachable disk is positioned and assembled with the fixed disk through the positioning structure.

[0013] Furthermore, the front end of the positioning core has a groove.

[0014] Furthermore, the outer side of the inner support ring of the cross piece is supported on the inner side of the cross piece.

[0015] Furthermore, a plurality of width stopper rod specification holes are provided in the length direction of the supporting arc plate, and a width stopper rod is installed in one of the width stopper rod specification holes.

[0016] The working principle of the present application is as follows: the disc on one side of the detachable reel is set to be detachable, and an opening and closing mechanism is added that can drive the supporting arc plate to retract toward the center. When reeling, the detachable disc is assembled together with one side of the fixed disc through the positioning core positioning and the fixed disc, and fixed with a hinge bolt + pull plate + nut. When the reeling is completed, the pipe is packed, the nut is loosened, the hinge bolt is opened, the detachable disc is removed, and each supporting arc plate is synchronously contracted toward the center by the opening and closing mechanism to form a conical surface. Finally, the packed coiled pipe is removed from one end of the cone surface, and the detachable disc is reassembled to continue reeling and use.

[0017] Another implementation of this structure can also be used for unwinding on the construction site. First, remove the detachable disc, insert the coiled pipe, and then each supporting arc plate is synchronously opened radially by the opening and closing mechanism until it supports the inner circle of the pipe. Then, assemble the detachable disc, and the pipe can be unwound.

[0018] The advantages of this application are as follows:

[0019] By setting a detachable disc and an opening and closing mechanism for driving the supporting arc plates to converge towards the center, this application can conveniently remove the flexible pipe wound and tightened on the supporting arc plates. Especially for RTP pipes with an inner diameter of 2 - 8 inches, which have a reinforcing layer and are more difficult to bend, and the coil diameter is more than 3.5 meters. After using the device of this application to make the supporting arc plates contract towards the center simultaneously, the packed pipe can be removed. Then, open the arc plates again to assemble the removed disc for repeated use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Isometric schematic view of the detachable coiling disc.

[0021] Figure 2 Side view schematic view of the detachable coiling disc.

[0022] Figure 3 Schematic view of the structure of the opening and closing mechanism.

[0023] Figure 4 For Figure 2 A - A sectional view schematic view of

[0024] Figure 5 Schematic view after the detachable disc is disassembled.

[0025] Figure 6 Schematic view of the structure of the synchronous sprocket.

[0026] In the drawings:

[0027] 1 - fixed disc, 2 - detachable disc, 3 - crossbar, 4 - inner support ring, 5 - supporting arc plate, 6 - opening and closing mechanism, 61 - screw jack, 62 - synchronous sprocket, 63 - mounting seat, 65 - synchronous sprocket, 66 - chain, 67 - lifting screw rod, 7 - rectangular pipe, 8 - spoke, 10 - pull plate, 11 - knuckle bolt mounting plate, 12 - knuckle bolt, 13 - inner support ring spoke, 14 - inner support center plate, 15 - positioning core, 16 - detachable disc center plate, 17 - positioning sleeve, 18 - width bar specification hole, 19 - width bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Apparently, the described embodiments are some, but not all, of the embodiments of this application. Components of the embodiments of this application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of this application claimed, but merely represents selected embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts belong to the scope of protection of this application.

[0030] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this application is normally placed, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this application. In addition, the terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0032] In the description of this application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] Embodiment 1

[0034] Such as Figure 1 、 Figure 2As shown, a detachable reel includes a fixed disc 1 and a detachable disc 2, which are connected to each other through a plurality of crosspieces 3, an inner support ring 4 is provided on the inner side of the crosspiece 3 near one end of the detachable disc 2, and a support arc plate 5 is provided on the outer side of the crosspiece 3, and an opening and closing mechanism 6 is connected to each support arc plate 5, and a plurality of opening and closing mechanisms 6 form an opening and closing system, and the opening and closing system near one end of the detachable disc 2 is driven by the driving mechanism to shrink toward the center. The shrinking opening and closing system is tapered as a whole, and also drives the plurality of support arc plates 5 connected thereto to be tapered as a whole, so that the pipe originally shrunk on the outer side of the support arc plate 5 can be lifted off the reel from the shrinking end of the opening and closing system.

[0035] The present application is provided with a detachable detachable disc 2 and an opening and closing mechanism 6 for driving the support arc plate 5 to be retracted toward the center, so that the flexible pipe that is tightly rolled on the support arc plate 5 can be easily removed, especially for RTP pipes with an inner diameter of 2-8 inches, which have a reinforcement layer and are more difficult to bend, and the roll diameter is more than 3.5 meters. After the support arc plate 5 is retracted toward the center at the same time, the packaged pipe can be removed. The arc plate is opened again to assemble the removed disc for reuse.

[0036] Example 2

[0037] like Figure 1 , Figure 2 As shown, a detachable reel includes a fixed disc 1 and a detachable disc 2, which are connected to each other through a plurality of crosspieces 3, an inner support ring 4 is provided on the inner side of the crosspiece 3 near one end of the detachable disc 2, and a support arc plate 5 is provided on the outer side of the crosspiece 3, and an opening and closing mechanism 6 is connected to each support arc plate 5, and a plurality of opening and closing mechanisms 6 form an opening and closing system, and the opening and closing system near one end of the detachable disc 2 is driven by the driving mechanism to shrink toward the center. The shrinking opening and closing system is tapered as a whole, and also drives the plurality of support arc plates 5 connected thereto to be tapered as a whole, so that the pipe originally shrunk on the outer side of the support arc plate 5 can be lifted off the reel from the shrinking end of the opening and closing system.

[0038] At least one of the multiple opening and closing mechanisms 6 is connected to the driving device, and adjacent opening and closing mechanisms 6 are connected to each other through a transmission structure. The driving device drives one end of the opening and closing mechanism 6 directly connected to it to move closer to the center of the detachable reel, and the other opening and closing mechanisms 6 are also driven by the transmission structure to move one end closer to the center of the detachable reel. The driving device can be an existing power source such as a driving motor and a cylinder; the transmission structure can be an existing transmission structure such as a chain 66 transmission structure, a rack transmission structure, and a connecting rod transmission structure.

[0039] like Figure 3As shown in the figure, multiple opening and closing mechanisms 6 each include a screw jack 61, a synchronous sprocket 65, and a mounting seat 63. The screw jack 61 is fixedly installed on the crossbar 3 at one end close to the detachable disc 2 through the mounting seat 63. The input end of one of the screw jacks 61 is connected to the driving motor, and the input ends of all the screw jacks 61 are respectively connected to a synchronous sprocket 65, and adjacent synchronous sprockets 65 are connected by a chain 66. The driving motor drives the rotation of the input end of the lift connected thereto, and the input end drives the lifting screw 67 of the screw jack 61 to rotate to achieve the lifting action, thereby driving one end of the supporting arc plate 5 connected thereto to move downward. Since the input end of each screw jack 61 is also connected to a synchronous sprocket 65, and adjacent synchronous sprockets 65 are connected by a chain 66, the adjacent synchronous sprockets 65 will be driven by the synchronous sprocket 65 connected to the driving motor to rotate simultaneously, and then drive the lifting screws 67 of their respective screw jacks 61 to move downward at the same time. Then, the lifting screws 67 of all the screw jacks 61 can drive one end of all the supporting arc plates 5 to move toward the center of the winding disc at the same time, making the entire opening and closing system become conical. The synchronous sprocket 65 can be a sprocket with two gear discs. The lifting screw of the screw jack 61 is arranged radially along the detachable disc 2.

[0040] Optionally, a tensioning sprocket can also be added. The tensioning sprocket functions to tension the chain 66. The tensioning sprocket mounting plate can be installed on the crossbar 3 or on the inner support ring 4.

[0041] The top of the lifting screw 67 of the screw jack 61 is hinged to one end of the rectangular tube 7, and the other end of the rectangular tube 7 is hinged to the spoke 8 of the fixed disc 1. The rectangular tube 7 is fixedly connected to the inner side of the supporting arc plate 5. The lifting screw 67 drives one end of the supporting arc plate 5 to move downward or upward. The rectangular tube 7 and the supporting arc plate 5 can be connected to each other by welding or bolts. The multiple opening and closing mechanisms 6 are linked by the chain 66. All the supporting arc plates 5 can be simultaneously contracted toward the center under the drive of the motor of one opening and closing mechanism 6. The diameter of the end close to the detachable disc 2 changes, and the end close to the fixed disc 1 remains unchanged. Finally, a taper is formed after contraction, and the pipe can be easily lifted from one end of the winding disc.

[0042] Both the fixed disc 1 and the detachable disc 2 are provided with multiple spokes 8 along their respective radial directions, and are connected to their respective central discs through the spokes 8. A pull plate 10 is provided on the spoke 8 of the detachable disc 2. A notch is opened on the pull plate 10. A knuckle bolt mounting plate 11 with a notch is provided at one end of the crossbar 3 close to the detachable disc 2. A knuckle bolt 12 is provided on the knuckle bolt mounting plate 11. The pull plate 10 and the crossbar 3 are connected by the knuckle bolt 12. The detachable disc 2 is fixed and disassembled from the crossbar 3 through the knuckle bolt 12. (Such as Figure 1 、 Figure 2 、 Figure 3)

[0043] As shown in Figure 4 and Figure 5 , the inner support ring 4 extends towards the axis through the inner support ring spokes 13 and is connected to the inner support center disc 14. A positioning core 15 is installed on the inner support center disc 14, and a positioning sleeve 17 is installed on the detachable disc center disc 16. The positioning core 15 and the positioning sleeve 17 form a detachable reel positioning structure, and the detachable disc 2 is positioned and assembled with the fixed disc 1 through the positioning structure. During assembly, the positioning sleeve 17 cooperates with the positioning core 15, facilitating positioning before the locking of the turnbuckle bolt 12 and convenient for assembly. After the detachable disc 2 is removed from the detachable reel, the remaining structure of the detachable reel is the detachable end of the detachable reel.

[0044] The front end of the positioning core 15 has a groove.

[0045] The outer side of the inner support ring 4 of the cross bar 3 is supported on the inner side of the cross bar 3, maintaining a stable structure of the detachable reel before and after disassembly.

[0046] As shown in Figure 5 , a plurality of width bar specification holes 18 are provided in the length direction of the support arc plate 5, and a width bar 19 is installed in one of the width bar specification holes 18. The purpose is to be able to wind pipes with different numbers of turns using the same detachable take-up reel (adjust the winding width according to different pipe diameters and required lengths).

[0047] One side of the detachable reel is set as detachable, and an opening and closing mechanism 6 that can drive the support arc plate 5 to close towards the center is added. When winding, the detachable disc 2 is positioned through the positioning core 15 and assembled with one side of the fixed disc, and is fixed by the method of turnbuckle bolt 12 + pull plate 10 + nut. After winding is completed, the pipe is packed, the nut is loosened, the turnbuckle bolt 12 is opened, the detachable disc 2 is removed, each support arc plate 5 synchronously contracts towards the center by the opening and closing mechanism 6 to form a conical surface, and finally the packed coiled pipe is taken out from one end of the conical surface, and the detachable disc 2 is reassembled to continue winding and using.

[0048] Another implementation method of this structure can also be used for unwinding at the construction site. First, the detachable disc 2 is removed, the coiled pipe is sleeved in, each support arc plate 5 is synchronously opened radially by the opening and closing mechanism 6 until it supports the inner circle of the pipe, and then the detachable disc 2 is assembled, and the pipe can be unwound.

Claims

1. A detachable spool, comprising a fixed disk (1) and a detachable disk (2), characterized in that: The fixed disk (1) and the detachable disk (2) are interconnected by a plurality of crossbars (3). An inner support ring (4) is provided at one end of the inner side of the crossbar (3) close to the detachable disk (2). A support arc plate (5) is provided on the outer side of the crossbar (3). A switching mechanism (6) is correspondingly connected under each support arc plate (5). A plurality of switching mechanisms (6) form a switching system. One end of the switching system close to the detachable disk (2) contracts towards the center under the drive of a drive mechanism.

2. The detachable spool according to claim 1, wherein: At least one of the plurality of switching mechanisms (6) is connected to a driving device, and adjacent switching mechanisms (6) are interconnected through a transmission structure.

3. A detachable spool according to claim 1 or 2, characterized in that: The plurality of switching mechanisms (6) each include a screw jack (61), a synchronous sprocket (65), and a mounting seat (63). The screw jack (61) is fixedly installed on the crossbar (3) at one end close to the detachable disk (2) through the mounting seat (63). The input end of one of the screw jacks (61) is connected to a driving motor. The input ends of all the screw jacks (61) are respectively connected to a synchronous sprocket (65), and adjacent synchronous sprockets (65) are connected by a chain (66).

4. The detachable spool according to claim 3, wherein: The top of the lifting screw rod (67) of the screw jack (61) is hinged to one end of a rectangular tube (7). The other end of the rectangular tube (7) is hinged to the spoke (8) of the fixed disk (1). The rectangular tube (7) is fixedly connected to the inner side of the support arc plate (5). The lifting screw rod (67) drives one end of the support arc plate (5) to move down or up.

5. The detachable reel according to claim 1, characterized in that: A plurality of spokes (8) are arranged on the fixed disk (1) and the detachable disk (2) along their respective radial directions, and are connected to their respective central disks through the spokes (8). A pull plate (10) is provided on the spoke (8) of the detachable disk (2). A notch is formed on the pull plate (10). A knuckle bolt mounting plate (11) with a notch is provided at one end of the crossbar (3) close to the detachable disk (2). A knuckle bolt (12) is provided on the knuckle bolt mounting plate (11). The pull plate (10) and the crossbar (3) are connected by the knuckle bolt (12).

6. The detachable spool according to claim 1 or 5, characterized in that: The inner support ring (4) extends towards the axis through the inner support ring spokes (13) to connect to the inner support central disk (14). A positioning core (15) is installed on the inner support central disk (14). A positioning sleeve (17) is installed on the detachable disk central disk (16). The positioning core (15) and the positioning sleeve (17) form a detachable reel positioning structure. The detachable disk (2) is positioned and assembled with the fixed disk (1) through the positioning structure.

7. The detachable spool according to claim 6, characterized in that: The front end of the positioning core (15) has a bevel.

8. A detachable spool according to claim 1, characterized in that: The outer side of the inner support ring (4) of the crossbar (3) is supported on the inner side of the crossbar (3).

9. The detachable reel according to claim 1, wherein: A plurality of width bar specification holes (18) are provided in the length direction of the support arc plate (5). A width bar (19) is installed in one of the width bar specification holes (18).

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