Rapid butt joint device for spiral steel pipe installation

Abstract

The utility model discloses a quick butt joint device for installing a spiral steel pipe, which comprises an upper connecting cylinder and a lower connecting cylinder, the two ends of the upper connecting cylinder and the two ends of the lower connecting cylinder are of opening structures, an upper fixed rubber cylinder is coaxially and rotatably connected in the upper connecting cylinder, and a lower fixed rubber cylinder is coaxially and rotatably connected in the lower connecting cylinder; pressed blocks are uniformly distributed on the outer walls of the upper fixed rubber sleeve and the lower fixed rubber sleeve; pressing blocks are uniformly distributed on the inner walls of the upper connecting cylinder and the lower connecting cylinder; the pressed block and the pressing block are staggered in position; by rotating the upper connecting cylinder or the lower connecting cylinder, the pressing block is in aligned contact with the pressed block and extrudes the pressed block to move towards the inner side of the upper fixing rubber cylinder or the lower fixing rubber cylinder, so that the pressed block shrinks and extrudes the steel pipe; the upper connecting cylinder and the lower connecting cylinder are detachably connected through a fixing assembly. By arranging the rotatable upper connecting barrel and the rotatable lower connecting barrel, the pressing block can be used for extruding the pressed block, the upper fixing rubber barrel and the lower fixing rubber barrel can extrude and wrap the spiral steel pipe, the fixing effect is guaranteed, and the spiral steel pipe is prevented from loosening and falling in the welding process.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral steel pipe installation technical field, specifically, relate to a spiral steel pipe installation with quick butt joint device. BACKGROUND

[0002] Spiral steel pipe is a kind of spiral seam spiral steel pipe with strip steel coil plate as raw material, through normal temperature extrusion forming, and using automatic double-wire double-sided submerged arc welding process welding.The it has higher strength and excellent corrosion resistance, can withstand greater pressure and tension, is suitable for petroleum, natural gas transportation, city water supply and drainage system, sewage treatment and bridge construction and multiple fields.Spiral steel pipe length can be customized according to demand, convenient transportation and installation, reduce engineering cost and construction difficulty.Its unique welding process guarantees the sealing of weld, reduces the risk of pipeline leakage.In addition, spiral steel pipe also has good heat transfer efficiency and small flow resistance characteristics, higher efficiency when conveying fluid at high speed.

[0003] Quick butt joint in spiral steel pipe installation it is mainly through the specific quick connector or pipe fitting, the both ends of spiral steel pipe are connected together, then the staff welds two spiral steel pipes together through relevant welding appliance, guarantees sealing, this connection mode is relatively simple to operate, shortens the installation time to some extent, reduces construction cost.

[0004] Some spiral steel pipe installation quick butt joint devices in the prior art may cause the connection between the connecting barrel and the spiral steel pipe to be disconnected after clamping the spiral steel pipe for a long time, resulting in poor fixing effect, unstable connection effect, affecting subsequent welding, and the connecting barrel is inconvenient to remove from the connection between the spiral steel pipes after welding is completed, so a spiral steel pipe installation quick butt joint device is designed.

[0005] Therefore, the present application is proposed. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem in the prior art that spiral steel pipe installation devices have the defects of unstable fixing effect, inconvenient installation and disassembly, and aims to provide a spiral steel pipe installation quick butt joint device, which can press the pressure block by the pressing block, can press and coat the spiral steel pipe by the upper fixed rubber tube and the lower fixed rubber tube, ensures the fixing effect, and prevents the spiral steel pipe from falling off during welding.

[0007] The utility model realizes the following technical scheme:

[0008] The utility model provides a kind of quick butt joint device for spiral steel pipe installation, including the upper adapter and lower adapter of both ends are open structure, the inside coaxial rotatable connection of the upper adapter has upper fixed rubber tube, the inside coaxial rotatable connection of the lower adapter has lower fixed rubber tube;

[0009] The outer wall of the upper fixed rubber tube and lower fixed rubber tube is evenly distributed with pressure block along the circumferential direction;

[0010] The inner wall of the upper adapter and lower adapter is evenly distributed with pressing block along the circumferential direction;

[0011] The position of the pressure block and pressing block is staggered;By rotating the upper adapter or lower adapter, the pressing block and pressure block are aligned and contacted, and the pressure block is extruded to move to the inside of the upper fixed rubber tube or lower fixed rubber tube, so that it is shrunk and extruded the steel pipe;

[0012] The adjacent end of the upper adapter and lower adapter is detachably connected by a fixing assembly.

[0013] The quick butt joint device for spiral steel pipe installation of the utility model can extrude the pressure block by the pressing block, can extrude and cover the spiral steel pipe by the upper fixed rubber tube and lower fixed rubber tube, ensure the fixing effect, and prevent the spiral steel pipe from falling off during welding.

[0014] When two spiral steel pipes need to be butt jointed, first, the end of the spiral steel pipe to be butt jointed is sleeved by the lower adapter and lower fixed rubber tube, then the lower adapter is rotated, the rotation of the lower adapter drives the pressing block to move in a circle, when the pressing block moves to contact the pressure block, the pressing block extrudes the pressure block, the pressure block moves to the direction close to the spiral steel pipe under stress, the multiple pressure blocks set make the lower fixed rubber tube extrude the spiral steel pipe, realize the fixed connection of the lower fixed rubber tube and the spiral steel pipe, then the upper adapter is sleeved on another steel pipe to be butt jointed, after connecting the upper adapter and lower adapter, the upper fixed rubber tube is fixed to the spiral steel pipe by the same operation mode, and then the steel pipes can be welded.

[0015] In a specific embodiment, the two end faces of the upper adapter and upper fixed rubber tube are connected by an auxiliary fixing assembly, the auxiliary fixing assembly includes guide blocks fixedly arranged on the end face of the upper fixed rubber tube along the circumference and guide plates fixedly arranged on the end face of the upper adapter along the circumference, the inside of the guide plate is provided with a guide groove, and the guide block is movably installed in the guide groove;

[0016] The two end faces of the lower adapter and lower fixed rubber tube are also connected by an auxiliary fixing assembly.

[0017] The utility model discloses a rotatable connection between upper fixed rubber tube and lower fixed rubber tube is realized through the setting of guide plate and guide block, when the upper joint rotates, the guide plate also rotates synchronously under the drive of lower joint, and the guide block slides in the inside of guide groove, and the connection function and rotatable function between upper fixed rubber tube and lower fixed rubber tube are realized, after welding is completed, reversely rotating upper joint and lower joint, under the action of guide plate and guide post, upper fixed rubber tube and lower fixed rubber tube can be reset from the surface of steel pipe, keep the contact state with upper joint and lower joint, make upper fixed rubber tube and lower fixed rubber tube not contact with steel pipe, guarantee the convenience of installation and dismounting.

[0018] In a specific embodiment, a plurality of tension grooves are formed on the outer wall of the upper fixed rubber tube and the lower fixed rubber tube along the circumferential direction, and the tension grooves are spaced apart from the pressure receiving blocks.

[0019] The utility model sets up tension groove, can prevent the upper fixed rubber tube and lower fixed rubber tube from reducing the contact surface caused by bulging when being pressed and adhering to the steel pipe, and guarantees the fixation of the upper fixed rubber tube and the lower fixed rubber tube to the steel pipe.

[0020] In a specific embodiment, the fixing assembly comprises an auxiliary ring and an auxiliary cylinder which are detachably installed, the auxiliary ring is rotatably connected with the lower joint, and the auxiliary cylinder is rotatably connected with the upper joint.

[0021] In a specific embodiment, a sliding groove is formed on the inner wall of the auxiliary ring, a recess is formed on the sliding groove and penetrates through the end surface of the auxiliary ring, and an insertion block is arranged on the outer wall of the auxiliary cylinder and matches the recess, the insertion block can be inserted into the recess and enter the sliding groove to be slidably connected with the sliding groove.

[0022] In a specific embodiment, a latch is arranged on the outer wall of the auxiliary ring opposite to the sliding groove, and the insertion block is provided with a latch hole.

[0023] In a specific embodiment, the recess and the latch are both provided with two.

[0024] In a specific embodiment, the auxiliary cylinder is rotatably connected to the end of the upper joint through a fixing ring.

[0025] In a specific embodiment, the auxiliary ring is installed with the lower joint through a rotating ring, and the rotating ring is rotatably connected to the outer wall of the end of the lower joint.

[0026] The utility model discloses a kind of quick butt joint devices for spiral steel pipe installation, including upper connector and lower connector, upper connector and lower connector are connected by fixed component, and upper connector and lower connector are connected by fixed component.

[0027] In a specific embodiment, the auxiliary ring and the rotating ring are fixedly connected by a plurality of support columns distributed in the circumferential direction.

[0028] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0029] 1. The utility model discloses a kind of quick butt joint devices for spiral steel pipe installation, by setting rotatable upper connector and lower connector structure, can utilize pressing block to extrude pressure block, can make upper fixed rubber cylinder and lower fixed rubber cylinder extrude and cover spiral steel pipe, guarantee fixed effect, prevent spiral steel pipe from falling in the process of welding machine;

[0030] 2. The utility model discloses a kind of quick butt joint devices for spiral steel pipe installation, rotatable connection between upper connector and upper fixed rubber cylinder, lower connector and lower fixed rubber cylinder are realized by the guide plate and guide block of being set, after welding is completed, can make upper fixed rubber cylinder and lower fixed rubber cylinder reset from steel pipe surface, keep and contact state with upper connector, lower connector, so that upper fixed rubber cylinder and lower fixed rubber cylinder do not contact with steel pipe, guarantee the convenience of installation and disassembly;

[0031] 3. The utility model discloses a kind of quick butt joint devices for spiral steel pipe installation, by setting tension slot, can prevent the contact surface reduction caused by the bulging of upper fixed rubber cylinder and lower fixed rubber cylinder when being extruded and adhering to steel pipe, guarantee upper fixed rubber cylinder and lower fixed rubber cylinder and the fixation of steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme of the exemplary embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiment, should be understood, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to range, for ordinary skilled person in the art, under the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0033] Figure 1 The utility model provides a kind of quick butt joint devices for spiral steel pipe installation overall structure schematic view;

[0034] Figure 2 The upper joint structure schematic view provided by the embodiment of the utility model;

[0035] Figure 3 The fixed assembly structure schematic view provided by the embodiment of the utility model;

[0036] Figure 4 The upper joint structure schematic view provided by the embodiment of the utility model; Figure 2 The auxiliary fixing gradually enlarging structure schematic view at A.

[0037] Markings in the drawings and corresponding component names:

[0038] 1 - upper joint, 2 - auxiliary cylinder, 3 - lower joint, 4 - rotary ring, 5 - auxiliary ring, 6 - support column, 7 - fixed ring, 8 - plug, 9 - guide block, 10 - guide plate, 11 - pressing block, 12 - pressure receiving block, 13 - tension slot, 14 - bolt, 15 - groove, 16 - upper fixed rubber cylinder, 17 - lower fixed rubber cylinder, 18 - sliding groove, 19 - guide groove. DETAILED DESCRIPTION

[0039] In order to make the purpose-technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with embodiments and drawings, and the illustrative embodiments and the description thereof of the utility model are only used to explain the utility model and not as a limitation on the utility model.

[0040] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model. However, it is apparent to those skilled in the art that the utility model can be practiced without these specific details. In other embodiments, well-known structures are not specifically described in order to avoid obscuring the utility model.

[0041] In the entire description, the mention of "one embodiment", "an embodiment", "one example" or "an example" means that the specific features, structures or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Therefore, the phrases "one embodiment", "an embodiment", "one example" or "an example" appearing in various places in the entire description do not necessarily refer to the same embodiment or example. In addition, specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or subcombination. In addition, those skilled in the art should understand that the drawings provided herein are for illustrative purposes and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.

[0042] In the description of the utility model, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the utility model.

[0043] Embodiment 1

[0044] As Figures 1-4 shown, the utility model discloses a kind of quick butt joint devices for spiral steel pipe installation, including the upper adapter 1 and lower adapter 3 of both ends being open structure, the inside coaxial rotatable connection of upper adapter 1 has upper fixed rubber tube 16, the inside coaxial rotatable connection of lower adapter 3 has lower fixed rubber tube 17;

[0045] The outer wall of upper fixed rubber tube 16 and lower fixed rubber tube 17 is evenly distributed with pressure block 12 along circumferential direction;

[0046] The inner wall of upper adapter 1 and lower adapter 3 is evenly distributed with pressing block 11 along circumferential direction;

[0047] The position of pressure block 12 and pressing block 11 is staggered with each other;By rotating upper adapter 1 or lower adapter 3, pressing block 11 and pressure block 12 are aligned contact and extrude pressure block 12 to move towards the inside of upper fixed rubber tube 16 or lower fixed rubber tube 17, so that it is shrunk and extruded steel pipe;

[0048] The adjacent end of upper adapter 1 and lower adapter 3 is detachably connected by fixed assembly.

[0049] The utility model discloses a quick butt joint device for spiral steel pipe installation, by setting rotatable upper adapter and lower adapter structure, can extrude pressure block using pressing block, can make upper fixed rubber tube and lower fixed rubber tube extrude and cover spiral steel pipe, guarantee fixed effect, prevent spiral steel pipe from falling off in the process of welding machine.

[0050] When two spiral steel pipes need to be butt-jointed, the end of the spiral steel pipe needing butt-joint is first sleeved by the set lower jointing sleeve and lower fixing rubber sleeve, then the lower jointing sleeve is rotated, the rotation of the lower jointing sleeve drives the pressing block to move in a circle, at this time, when the pressing block moves to contact the pressure-receiving block, the pressing block extrudes the pressure-receiving block, the pressure-receiving block moves to the direction close to the spiral steel pipe under the force, at this time, the multiple pressure-receiving blocks set make the lower fixing rubber sleeve extrude the spiral steel pipe, the fixed connection of the lower fixing rubber sleeve and the spiral steel pipe is realized, then the upper jointing sleeve is sleeved on another steel pipe needing butt-joint, after the upper jointing sleeve is connected with the lower jointing sleeve, the upper fixing rubber sleeve extrudes the spiral steel pipe through the same operation mode, and then the steel pipe welding can be carried out.

[0051] In a specific embodiment, the upper jointing sleeve 1 and the two end faces of the upper fixing rubber sleeve 16 are connected through an auxiliary fixing assembly, the auxiliary fixing assembly comprises guide blocks 9 fixedly arranged on the end face of the upper fixing rubber sleeve 16 and distributed along the circumference, and guide plates 10 fixedly arranged on the end face of the upper jointing sleeve 1 and distributed along the circumference, the inner side of the guide plate 10 is provided with a guide groove 19, and the guide block 9 is movably arranged in the guide groove 19.

[0052] The two end faces of the lower jointing sleeve 3 and the lower fixing rubber sleeve 17 are also connected through an auxiliary fixing assembly.

[0053] The upper jointing sleeve and the upper fixing rubber sleeve, and the lower jointing sleeve and the lower fixing rubber sleeve are rotatably connected through the guide plates and the guide blocks; when the upper jointing sleeve rotates, the guide plates also rotate synchronously under the drive of the lower jointing sleeve, so that the guide blocks slide on the inner side of the guide groove, and the connection and the rotatable function between the upper jointing sleeve and the upper fixing rubber sleeve, and the lower jointing sleeve and the lower fixing rubber sleeve are realized; after the welding is completed, the upper jointing sleeve and the lower jointing sleeve are reversely rotated, and under the action of the guide plates and the guide columns, the upper fixing rubber sleeve and the lower fixing rubber sleeve can be reset away from the surface of the steel pipe, the contact state with the upper jointing sleeve and the lower jointing sleeve is maintained, the upper fixing rubber sleeve and the lower fixing rubber sleeve are not in contact with the steel pipe, and the convenience of installation and dismounting is ensured.

[0054] In a specific embodiment, a plurality of tension grooves 13 are arranged on the outer wall of the upper fixing rubber sleeve 16 and the lower fixing rubber sleeve 17 along the circumferential direction, and the tension grooves 13 and the pressure-receiving blocks 12 are arranged at intervals.

[0055] The tension grooves are arranged, the contact area caused by the bulging of the upper fixing rubber sleeve and the lower fixing rubber sleeve when the upper fixing rubber sleeve and the lower fixing rubber sleeve are extruded and attached to the steel pipe can be prevented, and the fixing of the upper fixing rubber sleeve and the lower fixing rubber sleeve and the steel pipe is ensured.

[0056] In a specific embodiment, the fixing assembly comprises an auxiliary ring 5 and an auxiliary sleeve 2 which are detachably arranged, the auxiliary ring 5 is rotatably connected with the lower jointing sleeve 3, and the auxiliary sleeve 2 is rotatably connected with the upper jointing sleeve 1.

[0057] In a specific embodiment, a sliding groove 18 is formed on the inner wall of the auxiliary ring 5, a recess 15 penetrating the end surface of the auxiliary ring 5 is formed on the sliding groove 18, and a plug 8 matching the recess 15 is arranged on the outer wall of the auxiliary cylinder 2.

[0058] In a specific embodiment, a plug hole is formed on the plug 8, and a plug pin 14 is arranged on the outer wall of the auxiliary ring 5 opposite the sliding groove 18.

[0059] In a specific embodiment, two recesses 15 and two plug pins 14 are arranged.

[0060] In a specific embodiment, the auxiliary cylinder 2 is rotatably connected to the end of the upper adapter cylinder 1 through a fixing ring 7.

[0061] In a specific embodiment, the auxiliary ring 5 is installed through a rotating ring 4, and the rotating ring 4 is rotatably connected to the outer wall of the end of the lower adapter cylinder 3.

[0062] In the utility model, after the upper adapter cylinder and the lower adapter cylinder are respectively sleeved on the steel pipe, the upper adapter cylinder and the lower adapter cylinder are connected through the fixing assembly, specifically, first, the plug is aligned with the recess, then the plug is pressed down, so that the plug is nested into the inner side of the sliding groove, then the fixing ring is rotated, the rotation of the fixing ring drives the rotation of the auxiliary cylinder, so that the plug slides along the sliding groove, when the two symmetrically arranged plugs slide to be parallel to the plug pin, the plug is fixed on the sliding groove through the symmetrically arranged plug pin, the movement of the plug is limited, and the connection of the upper adapter cylinder and the lower adapter cylinder can be completed.

[0063] In a specific embodiment, the auxiliary ring 5 and the rotating ring 4 are fixedly connected through a plurality of support columns 6 distributed in the circumferential direction.

[0064] The above specific embodiments further illustrate the purpose-technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification-equivalent replacement-improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick butt joint device for spiral steel pipe installation, characterized by, It includes upper sleeve (1) and lower sleeve (3) with open structure at both ends, the inside of the upper sleeve (1) is coaxially rotatably connected with upper fixed rubber sleeve (16), the inside of the lower sleeve (3) is coaxially rotatably connected with lower fixed rubber sleeve (17); The outer wall of the upper fixed rubber sleeve (16) and the lower fixed rubber sleeve (17) is uniformly distributed with pressure block (12) along the circumferential direction; The inner wall of the upper sleeve (1) and the lower sleeve (3) is uniformly distributed with pressing block (11) along the circumferential direction; The position of the pressure block (12) and the pressing block (11) is staggered, by rotating the upper sleeve (1) or the lower sleeve (3), the pressing block (11) is aligned with the pressure block (12) and extrudes the pressure block (12) to move to the inside of the upper fixed rubber sleeve (16) or the lower fixed rubber sleeve (17) to make it shrink and extrude the steel pipe; The adjacent end of the upper sleeve (1) and the lower sleeve (3) is detachably connected through the fixed assembly.

2. A quick butt joint device for spiral steel pipe installation according to claim 1, characterized in that, The two end faces of the upper sleeve (1) and the upper fixed rubber sleeve (16) are connected through the auxiliary fixed assembly, the auxiliary fixed assembly includes guide block (9) fixedly arranged on the end face of the upper fixed rubber sleeve (16) and distributed along the circumference and guide plate (10) fixedly arranged on the end face of the upper sleeve (1) and distributed along the circumference, the inside of the guide plate (10) is provided with guide groove (19), and the guide block (9) is movably installed in the guide groove (19); The two end faces of the lower sleeve (3) and the lower fixed rubber sleeve (17) are also connected through the auxiliary fixed assembly.

3. A quick butt joint device for spiral steel pipe installation according to claim 1, characterized in that, The outer wall of the upper fixed rubber sleeve (16) and the lower fixed rubber sleeve (17) is provided with a plurality of tension grooves (13) along the circumferential direction, and the tension grooves (13) and the pressure block (12) are spaced apart.

4. A quick butt joint device for spiral steel pipe installation according to claim 1, characterized in that, The fixed assembly includes detachably mounted auxiliary ring (5) and auxiliary sleeve (2), the auxiliary ring (5) is rotatably connected between the lower sleeve (3), and the auxiliary sleeve (2) is rotatably connected between the upper sleeve (1).

5. A quick butt joint device for spiral steel pipe installation according to claim 4, characterized in that, The inner wall of the auxiliary ring (5) is provided with sliding groove (18), the sliding groove (18) is provided with recess (15) penetrating the end face of the auxiliary ring (5), the outer wall of the auxiliary sleeve (2) is provided with plug (8) matched with the recess (15), and the plug (8) can be inserted into the recess (15) and enter the sliding groove (18) and be slidably connected with the sliding groove (18).

6. A quick butt joint device for spiral steel pipe installation according to claim 5, characterized in that, The outer wall of the auxiliary ring (5) is provided with plug pin (14) opposite the sliding groove (18), and the plug (8) is provided with plug pin hole.

7. A quick butt joint device for spiral steel pipe installation according to claim 5, characterized in that, The recess (15) and the plug pin (14) are provided with two.

8. A quick butt joint device for spiral steel pipe installation according to claim 4, characterized in that, The auxiliary sleeve (2) is rotatably connected to the end of the upper sleeve (1) through the fixed ring (7).

9. A quick butt joint device for spiral steel pipe installation according to claim 4, characterized in that, The auxiliary ring (5) is mounted with the lower sleeve (3) through the rotating ring (4), and the rotating ring (4) is rotatably connected to the outer wall of the end of the lower sleeve (3).

10. A quick butt joint device for spiral steel pipe installation according to claim 9, characterized in that, The auxiliary ring (5) and the rotating ring (4) are fixedly connected through a plurality of supporting columns (6) distributed along the circumferential direction.

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