阅读说明：本技术 一种连接器、连接机构和管道对接方法 (Connector, connecting mechanism and pipeline butt joint method ) 是由 庄百亮 徐立 徐清 刘伟 安蓉蓉 刘丁赫 于 2021-03-10 设计创作，主要内容包括：本发明涉及管道连接技术领域,具体是一种连接器、连接机构和管道对接方法,本发明的连接器包括限位盘、对接片和驱动组件,限位盘用于被管道端部抵靠,限位盘上活动装配有至少三个对接片,对接片贯穿限位盘且能够沿限位盘的径向自由活动,对接片在驱动组件的驱动下进行径向移动并撑开,撑开后的对接片抵靠到管道内壁并与管道内壁紧密贴合。解决了现有管道连接技术中因自动化程度低而造成的连接过程费时、费力且容易造成管端受损的技术问题。(The invention relates to the technical field of pipeline connection, in particular to a connector, a connecting mechanism and a pipeline butt joint method. The technical problems that the time and labor are wasted in the connection process caused by low automation degree in the existing pipeline connection technology, and the pipe end is easy to damage are solved.)

1. A connector, comprising:

the limiting device comprises a limiting disc (1), wherein at least three butt-joint pieces (2) are movably assembled on the limiting disc (1);

the butt joint piece (2) penetrates through the limiting disc (1) and can freely move along the radial direction of the limiting disc (1);

the drive assembly is used for driving the butt joint piece (2) to move radially so as to be propped open and connected, the drive assembly comprises a scissor arm and a linear module, the scissor arm is used for driving the butt joint piece (2) to move radially along the limiting disc (1), and the linear module is used for driving the scissor arm to open and close.

2. The connector of claim 1, wherein the scissor arm comprises:

the first end of the first connecting rod (3) is hinged to the limiting disc (1), the second end of the first connecting rod (3) is assembled on the butt joint piece (2) in a sliding mode, a connecting block is further arranged on the butt joint piece (2), a sliding groove (21) with the extending direction consistent with the moving direction of the linear module is formed in the connecting block, and the second end of the first connecting rod (3) is matched in the sliding groove (21);

and the second connecting rod (4) is hinged with the first connecting rod (3), the first end of the second connecting rod (4) is driven by the linear module, the second end of the second connecting rod (4) is hinged with the butt joint piece (2), and the linear module drives the butt joint piece (2) to move in the radial direction by means of the first connecting rod (3) and the second connecting rod (4).

3. The connector of claim 1, wherein the linear die set comprises:

the screw rod (11) is rotatably arranged at the central position of the limiting disc (1), and the screw rod (11) is a trapezoidal screw rod;

the screw sleeve (12) is in threaded fit with the screw rod (11), and the screw sleeve (12) is hinged to the scissor arm to drive the scissor arm to open and close.

4. The connector according to claim 1, further comprising a support disc (6), wherein the support disc (6) is connected to the limiting disc (1) through at least three connecting columns (5), first ends of the connecting columns (5) are fixedly connected to the limiting disc (1) and axial directions of the connecting columns (5) are perpendicular to a disc surface of the limiting disc (1), and second ends of the connecting columns (5) are fixedly connected to the support disc (6).

5. Connector according to claim 1, characterized in that through grooves (13) are provided on the retainer disc (1), the mating pieces (2) are free to move in the radial direction of the retainer disc (1) in the through grooves (13), and the number of the through grooves (13) matches the number of the mating pieces (2).

6. A coupling mechanism, comprising:

the connector of claim 3;

the power source is used for driving the screw rod (11) to rotate, one end of the screw rod (11) is formed into an insertion end (111), and a driving shaft (7) of the power source is movably connected to the insertion end (111).

7. The connecting mechanism according to claim 6, characterized by further comprising a guide shaft (8) arranged on the power source and a guide hole arranged on the limiting disc (1) and matched with the guide shaft (8).

8. A pipe butting method for connecting a first pipe (a) to a second pipe (b) by means of a connecting mechanism according to any one of claims 6 to 7, characterised by comprising the steps of:

providing a pipeline conveying line which drives a first pipeline (a) and a second pipeline (b) by using a driving roller (9);

inserting a first end of a connector of the connection mechanism into a first conduit (a);

the traveling speed of the first pipeline (a) is adjusted by using the driving roller (9) so that the traveling speed of the first pipeline (a) is smaller than that of the second pipeline (b);

and a second end of the connector of the connecting mechanism is pressed into the second pipeline (b) under the action of differential speed to realize the connection of the first pipeline (a) and the second pipeline (b), and then the walking speeds of the first pipeline (a) and the second pipeline (b) are controlled to be kept the same.

9. The pipe docking method according to claim 8, wherein a distance between the plurality of docking tabs (2) of the connector of the connection mechanism in an initial state is smaller than an inner diameter of the first pipe (a) to enable the plurality of docking tabs (2) to enter the first pipe (a), and then the docking tabs (2) of the connector of the connection mechanism are driven to move radially by a driving force of a power source to be pressed open to and tightly fit with an inner wall of the first pipe (a).

Technical Field

The invention relates to the technical field of pipeline connection, in particular to a connector, a connecting mechanism and a pipeline butt joint method.

Background

The large-scale pipeline is more and more widely applied in municipal works, water supply and drainage, large-scale chemical engineering smelting and other heavy works, if the pipeline is not sprayed, the pipeline can be easily rusted, the service life is reduced by times, and the passing liquid can be influenced.

At present, most of domestic anticorrosion production lines mostly adopt two modes of semi-automatic spraying and manual spraying. Semi-automatic spraying mode: the spraying equipment and the pipeline conveying line are automated, but the butt joint of the pipelines is completed by operating external mechanical equipment by workers, the connection completion degree of two adjacent pipelines depends on the operation level of the workers in the mode, much time is wasted in the butt joint of the pipelines, the production efficiency is low, and the end parts of the pipelines are easily damaged due to collision of the two adjacent pipelines. The manual spraying mode is as follows: the spray gun is held by workers, the spraying is carried out one by one in turn, the condition of pipeline collision can be avoided in the mode, the labor intensity of the workers is higher, the damage to the bodies of the workers is large, the workers are easy to suffer from occupational diseases, the production efficiency is extremely low, if a large batch of orders are to be completed, several or even dozens of workers are required to operate simultaneously to complete the operation, the great difficulty is brought to the planning and arrangement of production, the spraying quality is difficult to guarantee, and the quality of products is greatly influenced.

Therefore, the present application improves on the basis of the above two spraying modes (mainly, semi-automatic spraying mode), and provides a connector, a connecting mechanism and a pipeline butt joint method, so as to solve the technical problems that the connection of the pipeline in the existing semi-automatic spraying state is time-consuming and labor-consuming due to low automation degree, and the pipe end is easily damaged.

Disclosure of Invention

The invention provides a connector, which solves the technical problems that in the prior art, the connection is time-consuming and labor-consuming due to low automation degree in the pipeline connection process, and the pipe end is easy to damage.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the present invention provides a connector, comprising: the limiting disc is movably provided with at least three butt-joint pieces; the butt joint piece penetrates through the limiting disc and can freely move along the radial direction of the limiting disc; the drive assembly is used for driving the butt joint piece to move radially so as to be propped open and connected, the drive assembly comprises a shear arm and a linear module, the shear arm is used for driving the butt joint piece to move radially along the limiting disc, and the linear module is used for driving the shear arm to open and close.

Further, the scissor arm includes: the first end of the first connecting rod is hinged to the limiting disc, the second end of the first connecting rod is assembled on the butt joint piece in a sliding mode, a connecting block is further arranged on the butt joint piece, a sliding groove with the extending direction consistent with the moving direction of the linear module is formed in the connecting block, and the second end of the first connecting rod is matched in the sliding groove; and the first end of the second connecting rod is driven by the linear module, the second end of the second connecting rod is hinged to the butt joint piece, and the linear module drives the butt joint piece to move in the radial direction by virtue of the first connecting rod and the second connecting rod.

Further, the straight line module includes: the screw rod is rotatably arranged at the central position of the limiting disc and is a trapezoidal screw rod; the screw sleeve is in threaded fit with the screw rod, and the screw sleeve is hinged to the scissor arm to drive the scissor arm to open and close.

Further, still include the supporting disk, the supporting disk through at least three spliced pole connect in spacing dish, the first end fixed connection of spliced pole on spacing dish just the axial direction of spliced pole with the quotation of spacing dish is perpendicular, the second end of spliced pole with supporting disk fixed connection.

Furthermore, a through groove is formed in the limiting disc, and the butt joint piece freely moves in the through groove along the radial direction of the limiting disc.

The present invention also provides a connecting mechanism comprising: the above-described connecting machine; the power source is used for driving the screw rod to rotate, one end of the screw rod is formed into an inserting end, and a driving shaft of the power source is movably connected to the inserting end.

Further, still including setting up the guiding axle on the power supply and setting up the guiding hole that matches with the guiding axle on spacing dish.

The invention also provides a pipeline butt joint method for connecting a first pipeline to a second pipeline through the connecting mechanism, which comprises the following steps: providing a pipeline conveying line, wherein the pipeline conveying line drives a first pipeline and a second pipeline by using a driving roller; inserting a first end of a connector of a connection mechanism into a first conduit; adjusting the traveling speed of the first pipeline by using the driving roller to ensure that the traveling speed of the first pipeline is smaller than that of the second pipeline; and the second end of the connector of the connecting mechanism is pressed into the second pipeline under the action of differential speed to realize the connection of the first pipeline and the second pipeline, and then the walking speeds of the first pipeline and the second pipeline are controlled to be kept the same.

Further, the distance between a plurality of butt-joint pieces of the connector of the connecting mechanism in the initial state is smaller than the inner diameter of the first pipeline so that the butt-joint pieces can enter the first pipeline, and then the butt-joint pieces of the connector of the connecting mechanism are driven by the driving force of the power source to move radially so as to be propped open and tightly pressed to the inner wall of the first pipeline and tightly attached to the inner wall of the first pipeline.

Based on the structure, the invention can realize the technical effects that:

the connector is provided with the limiting disc, two sides of the surface of the limiting disc are respectively butted by two adjacent pipelines to be butted, so that the end parts of the adjacent pipelines are prevented from directly colliding, the pipe end damage condition is avoided, meanwhile, the limiting disc is provided with the butting piece capable of moving in the radial direction, the end part of the butting piece is inserted into the pipeline in the process that the pipeline is abutted against the limiting disc, and then the butting piece moves in the radial direction and is propped against the inner wall of the pipeline and is tightly attached to the inner wall of the pipeline, so that the automatic connection of the pipeline is realized, and the efficiency of the whole production line is improved.

When the connecting mechanism is connected and butted, one end of the connector of the connecting mechanism, which comprises a supporting disk, is arranged in a first pipeline, the arranged connector outputs power by a power source of the connecting mechanism, the butt-joint sheets are spread and tightly attached to the inner wall of the first pipeline, the butt-joint sheets of the connector tightly attached to the inner wall of the first pipeline still partially protrude out of the end part of the first pipeline to form a connecting end, then the first pipeline is arranged in a pipeline conveying line with a driving roller, the other second pipeline which needs to be connected is also arranged in the pipeline conveying line, the axial movement speeds of the two pipelines are controlled by controlling the rotating speed of the driving roller, when the speed of the first pipeline is slow, the speed of the second pipeline is fast, the connecting ends of the butt-joint sheets are inserted into the second pipeline to realize butt joint, otherwise, when the connection is dismantled, the rotating speed of the driving roller is controlled to enable the speed of the first pipeline to, the connection end of the butt joint piece is separated from the second pipeline to realize separation, and finally, the butt joint of the driving shaft of the power source and the connector insertion end is carried out, and the driving shaft moves reversely, so that the butt joint piece is contracted to take out the connector, therefore, the difficulty of operation of workers during butt joint of pipelines is reduced, and the efficiency of the whole production line is improved.

Drawings

FIG. 1 is a schematic view of the overall construction of the connector of the present invention;

FIG. 2 is a schematic view of another perspective of the connector of the present invention;

FIG. 3 is a schematic view of yet another perspective of the connector of the present invention;

FIG. 4 is a cross-sectional view of the connector of FIG. 3;

FIG. 5 is a schematic view of the power source of the connection structure of the present invention;

fig. 6 is a schematic view of a pipe connection.

Wherein: 1-a limiting disc, 11-a screw rod, 111-a splicing end, 12-a thread sleeve and 13-a through groove; 2-butt joint piece, 21-chute; 3-a first link; 4-a second link; 5-connecting the column; 6-support disc; 7-a drive shaft; 8-a guide shaft; 9-a driving roller; a-a first conduit; b-a second conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 6, the connector of the present invention includes a limiting disc 1, at least three butt-joint pieces 2 movably assembled on the limiting disc 1, and a driving assembly, wherein the limiting disc 1 is used to be abutted by the end of a pipeline, the butt-joint pieces 2 penetrate through the limiting disc 1 and can freely move along the radial direction of the limiting disc 1, the butt-joint pieces 2 radially move and are spread under the driving of the driving assembly, the spread butt-joint pieces 2 abut against the inner wall of the pipeline and are tightly attached to the inner wall of the pipeline, preferably, tapered guide ends are formed at two ends of the butt-joint pieces 2, the driving assembly includes a scissor arm and a linear module, the scissor arm is used to drive the butt-joint pieces 2 to move along the radial direction of the limiting disc 1, and the linear module is used to drive the scissor arm to.

The connector is provided with the limiting disc 1, two sides of the disc surface of the limiting disc 1 are respectively butted by the first pipeline a and the second pipeline b, the direct collision of the end parts of the first pipeline a and the second pipeline b is avoided, the pipe end damage is avoided, meanwhile, the limiting disc 1 is provided with the butting piece 2 capable of moving in the radial direction, the end part of the butting piece 2 is inserted into the first pipeline a in the process that the first pipeline a abuts against the limiting disc 1, then the butting piece 2 moves in the radial direction and is propped against the inner wall of the first pipeline a to be attached to the inner wall of the first pipeline a, so that the automatic connection of pipelines is realized, and the efficiency of the whole production line is improved.

In the preferred technical scheme of this embodiment, butt-joint piece 2 is made of 65Mn, and the 65Mn material has elasticity, so that butt-joint piece can still be well attached to the inner wall of the pipeline when butt-joint piece is butt-jointed to the inner wall of an irregular round pipeline.

According to an embodiment of the present invention, the scissor arm of the driving assembly includes a first connecting rod 3 and a second connecting rod 4, a first end of the first connecting rod 3 is hinged to the limiting plate 1, a second end of the first connecting rod 3 is slidably assembled to the butt-joint piece 2, specifically, the butt-joint piece 2 is further provided with a connecting block, a chute 21 having an extending direction consistent with a moving direction of the linear module is formed on the connecting block, a second end of the first connecting rod 3 is fitted in the chute 21 to realize that the second connecting rod 4 is hinged to the first connecting rod 3, the first end of the second connecting rod 4 is driven by the linear module, the second end of the second connecting rod 4 is hinged to the butt-joint piece 2, specifically, the linear module of the driving assembly includes a screw rod 11 rotatably installed at a central position of the limiting plate 1 and a swivel 12 fitted on a thread of the screw rod 11, the swivel 12 is hinged to the first end of the second connecting rod 4, a linear movement of the swivel 12 on the screw rod 11 drives the, specifically, the screw sleeve 12 moves to drive the second connecting rod 4 to move, the second connecting rod 4 moves to drive the butt joint piece 2 to move, the butt joint piece 2 moves and simultaneously drives the first connecting rod 3 to move, and in order to realize that the radial movement of the butt joint piece 2 is not limited, the second end part of the first connecting rod 3 and the screw sleeve 12 move synchronously in the sliding groove 21.

To achieve self-locking, the screw 11 in this embodiment is preferably a trapezoidal screw.

According to a specific embodiment of the present invention, the limiting disc 1 is provided with through slots 13 to enable the docking tabs 2 to perform radial movement on the limiting disc 1, and the number of the through slots 13 matches the number of the docking tabs 2.

In order to make the connector structure of the present invention more stable, the connector of this example further includes a supporting disk 6 and at least three connecting posts 5, the first end of the connecting post 5 is fixedly connected to the limiting disk 1, the axial direction of the connecting post 5 is perpendicular to the disk surface of the limiting disk 1, and the second end of the connecting post 5 is fixedly connected to the supporting disk 6. The connecting column 5 plays a supporting role between the limiting disc 1 and the supporting disc 6, so that the structure of the connector is more stable.

According to an embodiment of the present invention, the lead screw 11 is disposed on the limiting disc 1 and the supporting disc 6 through a bearing assembly, the bearing assembly includes a first bearing and a second bearing which are fitted at two ends of the lead screw 11, the first bearing is fixedly connected to the limiting disc 1, and the second bearing is fixedly connected to the supporting disc 6. Further, the bearing assembly further comprises a copper sleeve and a shaft clamp which are matched at two ends of the screw rod 11, and the copper sleeve and the shaft clamp are arranged in the corresponding first bearing and the second bearing so as to prevent the problems of jamming and front-back movement when the screw rod 11 rotates. The copper jacket is preferably a graphite copper jacket in this embodiment.

As shown in fig. 1-6, the present invention further provides a connection mechanism, which includes the above-mentioned connector, specifically, a limiting disc 1, a pair of butt-joint pieces 2, a driving assembly and a power source, wherein at least three pair of butt-joint pieces 2 are movably assembled on the limiting disc 1, the butt-joint pieces 2 penetrate through the limiting disc 1 and can freely move along the radial direction of the limiting disc 1, the driving assembly includes a scissor arm and a linear module, the scissor arm includes a first connecting rod 3 and a second connecting rod 4 hinged to the first connecting rod 3, a first end of the first connecting rod 3 is hinged to the limiting disc 1, a second end of the first connecting rod 3 is slidably assembled to the butt-joint pieces 2, a first end of the second connecting rod 4 is driven by the linear module, a second end of the second connecting rod 4 is hinged to the butt-joint pieces 2, specifically, the linear module includes a lead screw 11 and a threaded sleeve 12, the lead screw 11 is rotatably installed at the central position, the swivel nut 12 is hinged to the first end of the second connecting rod 4 to drive the scissor arm to open and close so as to realize radial movement of the butt joint piece 2, the power source is used for driving the screw rod 11 to rotate, one end of the screw rod 11 is formed into an insertion end 111, and the driving shaft 7 of the power source is movably connected to the insertion end 111 so as to drive the screw rod 11 to rotate. Preferably, the insertion end 111 of the screw rod 11 is provided with a butt joint groove, and the driving shaft 7 of the power source is provided with a butt joint protrusion matched with the butt joint groove so as to facilitate the movable connection of the two.

In order to facilitate positioning, the connecting mechanism is further provided with a guide shaft 8 arranged on the power source, and meanwhile, a guide hole matched with the guide shaft 8 is formed in the limiting disc 1. In a preferred technical scheme of this embodiment the guiding hole is set up in the junction of spliced pole 5 and spacing dish 1, and spliced pole 5 is configured into hollow design in order to conveniently insert guiding axle 8 simultaneously, and when the power supply docked with lead screw 11, guiding axle 8 can insert the guiding hole earlier and carry out the primary localization.

Another aspect of the present invention also provides a pipe butting method for connecting a first pipe a to a second pipe b by the above-mentioned connecting mechanism, including the steps of: the pipeline conveying line is provided, the driving roller 9 is used for driving the first pipeline a and the second pipeline b of the pipeline conveying line, then the first end of the connector of the connecting mechanism is inserted into the first pipeline a, the driving roller 9 is used for adjusting the walking speed of the first pipeline a, the walking speed of the first pipeline a is smaller than that of the second pipeline b, the second end of the connector of the connecting mechanism is pressed into the second pipeline b under the action of differential speed, connection of the first pipeline a and the second pipeline b is achieved, and then the walking speed of the first pipeline a and the walking speed of the second pipeline b are controlled to be kept the same.

Further, the distance between the plurality of butt-joint tabs 2 of the connector of the connection mechanism in the initial state is smaller than the inner diameter of the first pipeline a so that the plurality of butt-joint tabs 2 can enter the first pipeline a, and then the butt-joint tabs 2 of the connector are driven to move radially by the driving force of the power source of the connection mechanism so as to be pressed against the inner wall of the first pipeline a and tightly fit with the inner wall of the first pipeline a.

Based on the basic structure, the pipeline butt joint of the invention is realized by firstly placing one end of a connector of a connecting mechanism, which comprises a supporting disk 6, into a first pipeline a, outputting power by a power source of the connecting mechanism, spreading a butt joint sheet 2 to be tightly attached to the inner wall of the first pipeline a, wherein a part of the butt joint sheet 2 of the connector tightly attached to the first pipeline a still protrudes out of the end part of the first pipeline a to form a connecting end, then placing the first pipeline a into a pipeline conveying line with a driving roller 9, placing another second pipeline b to be connected into the pipeline conveying line, controlling the axial movement speeds of the two pipelines by controlling the rotating speed of the driving roller 9, when the speed of the first pipeline a is slow, and the speed of the second pipeline b is fast, inserting the connecting end of the butt joint sheet 2 into the second pipeline b to realize butt joint, otherwise, controlling the rotating speed of the driving roller 9 to enable the speed of the first pipeline a to be fast when the second pipeline b is separated, the speed of second pipeline b is slow, and the link to piece 2 deviates from second pipeline b and realizes the separation, docks drive shaft 7 and the connector end 111 of pegging graft of power supply again at last, and drive shaft 7 reverse motion thereby makes and to piece 2 shrink and take out the connector, like this, the workman operated the degree of difficulty when having reduced the pipeline butt joint, has improved the efficiency of whole production line.

It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.