CN117739180A - Irrigation pipe connection structure - Google Patents

Irrigation pipe connection structure Download PDF

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Publication number
CN117739180A
CN117739180A CN202410183559.6A CN202410183559A CN117739180A CN 117739180 A CN117739180 A CN 117739180A CN 202410183559 A CN202410183559 A CN 202410183559A CN 117739180 A CN117739180 A CN 117739180A
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China
Prior art keywords
flange
sealing
assembly
female
male
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CN202410183559.6A
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Chinese (zh)
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CN117739180B (en
Inventor
王伟
卢碧芸
王川
王斌
施六林
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Agricultural Engineering Institute of Anhui Academy of Agricultural Sciences
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Agricultural Engineering Institute of Anhui Academy of Agricultural Sciences
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Priority to CN202410183559.6A priority Critical patent/CN117739180B/en
Publication of CN117739180A publication Critical patent/CN117739180A/en
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Publication of CN117739180B publication Critical patent/CN117739180B/en
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Abstract

The invention provides an irrigation pipeline connecting structure, which comprises a flange component for fixing two connecting pipelines, wherein the connecting pipelines are connected with the flange component, and the flange component is connected with the flange component through a connecting bolt and a nut on the connecting bolt; the sealing assembly is covered at the circular arc edge of the flange assembly, the sealing assembly provides driving force to realize secondary sealing through studs on the connecting bolts, the connecting bolts rotate in nuts, the rotating connecting bolts move in pushing of threaded engagement, and the moving connecting bolts drive the sealing assembly. Can realize the secondary seal of public sealed cowling and female sealed cowling and flange subassembly junction through seal assembly, the secondary seal provides pressure by connecting bolt's installation, need not extra installation step, realizes seal structure's construction from inside, has reduced outside influence, has improved sealed effect, avoids leaking the emergence.

Description

Irrigation pipe connection structure
Technical Field
The invention relates to an irrigation pipeline connecting structure.
Background
Agricultural surface irrigation is an irrigation method for enabling water to flow to plant roots through gravity by distributing water sources on the surface of a farmland, wherein the water sources are conveyed by irrigation pipelines, the diameters of the pipelines are thicker, connecting nodes between the irrigation pipelines are generally connected by adopting flanges, the flanges are generally composed of two round flat or concave-convex metal plates, threaded holes are formed in the plates, the two flanges can be connected together through bolts or nuts, and the flanges are generally connected with hard connecting pipelines in a matched mode.
In the traditional connection mode, two flanges are connected together through bolts and nuts, in order to ensure that the joint of the flanges cannot leak, some technicians can sleeve a cover similar to the flange at the joint of the two flanges, but the mode still has the risk of leaking, because only a flange structure is repeatedly installed for the second time, the problem of leakage possibly occurring at the joint of the irrigation pipes cannot be well solved.
Because agricultural irrigation is mostly in the field, and irrigates the distance that water transported longer, when the flange between pipeline and the pipeline takes place to leak or by external force damage emergence leak, patrol inspector is difficult to know the position of leaking fast, leads to the loss of irrigation water.
Accordingly, an irrigation pipe connection structure is provided that addresses the above-described problems.
Disclosure of Invention
The invention aims to solve the problem that the traditional structure can not solve the leakage possibly occurring at the joint of the irrigation pipeline and is difficult to find after the leakage.
The invention solves the technical problems by the following technical proposal:
the invention provides an irrigation pipeline connecting structure, which comprises a flange component for fixing two connecting pipelines, wherein the connecting pipelines are connected with the flange component, and the flange component is connected through a connecting bolt and a nut on the connecting bolt;
the sealing assembly is covered at the circular arc edge of the flange assembly, the sealing assembly provides driving force to realize secondary sealing through studs on the connecting bolts, the connecting bolts rotate in nuts, the rotating connecting bolts move in pushing of threaded engagement, and the moving connecting bolts drive the sealing assembly.
In the technical scheme, the flange assembly consists of a male flange and a female flange which are mutually attached, the sealing assembly comprises a male sealing cover and a female sealing cover which are both of annular structures, the male sealing cover is covered on the male flange through which a connecting bolt firstly passes, the female sealing cover is covered on the female flange which is contacted with a nut, the male sealing cover and the female sealing cover are respectively clung to the surfaces of the male flange and the female flange through driving connecting parts, the male sealing cover and the female sealing cover are fixed through bolts and nuts, the nuts are fixed on the female flange, and at least two driving connecting parts are arranged corresponding to the connecting bolts;
the drive connecting portion comprises a threaded pipe, an internal thread is carved on the inner wall of the threaded pipe, the threaded pipe is in threaded connection with a stud of a connecting bolt through the internal thread, a slot with a tetragonal structure is formed in the arc-shaped side wall of the threaded pipe, the threaded pipe is fixedly connected to the inner wall of the female sealing cover, and a sealing executing mechanism is arranged on one side of the threaded pipe.
Further, the sealed executing mechanism comprises a connecting rod assembly and a sealing ring; one end of the connecting rod assembly is connected and arranged at the threaded pipe, the other end of the connecting rod assembly is overlapped with the sealing ring, the sealing ring is sleeved on the inner wall of the male sealing cover in a sliding manner, the stud rotates and moves in the threaded pipe, the moving stud presses the sealing ring through the connecting rod assembly, and the pressed sealing ring is pressed at the joint of the male sealing cover and the male flange.
Further, the connecting rod assembly comprises a driving rod, one end of the driving rod stretches into the inner cavity of the threaded pipe through the slot and can be overlapped with the stud, the surface of the driving rod is penetrated by the bearing shaft, the other end of the driving shaft is rotationally connected with the driving rod through the connecting piece, the driving rod is slidingly connected on the limiting guide rail along the horizontal direction, the end part of the driving rod is rotationally connected with the driven rod through the other connecting piece, the surface of the driven rod is penetrated by the other bearing shaft, and the tail end of the driven rod can be overlapped with the sealing ring.
Further, the connecting piece is the connecting rod, one end of connecting rod rotates with the tip of transfer line to be connected, the logical groove that is rectangular structure is seted up to the other end of connecting rod, all be fixed with the round pin axle on the tip of actuating lever and driven lever, the round pin axle passes logical groove, be fixed with the apron on the tip of round pin axle, apron and the surface overlap joint of connecting rod.
Further, the sealing executing mechanism comprises a guide block, the guide block is fixed on the inner wall of the female sealing cover, an inverted J-shaped guide cavity is formed in the inner cavity of the guide block, a fastener which is also inverted J-shaped is arranged in the guide cavity, the fastener slides in the guide cavity, one end of the fastener stretches into the inner cavity of the threaded pipe through a slot, the other end of the fastener extends to one side of the outer part of the cover plate, the cover plate covers the arc surfaces of the male flange and the female flange, two opposite inner walls of the cover plate are outwards expanded to form an extrusion part, and the extrusion part is overlapped with the outer wall of the male flange or the female flange;
two hooks which are symmetrically arranged are arranged on the inner wall of the top of the cover plate;
a plurality of uniformly distributed pawls which can only rotate in one direction are fixed on the outer wall of one section of the fastener, and a plurality of uniformly distributed ratchets are arranged on the inner wall of the guide cavity corresponding to the pawls, and the ratchets and the pawls are mutually matched;
the sealing ring is arranged at the joint of the male flange and the female flange, the annular edge of the sealing ring is provided with clamping skirts with the same number as the cover plates, and the clamping skirts are clamped between the two hooks;
the two sides of the sealing ring are respectively provided with a bulge part with an annular structure, and the two bulge parts are respectively clamped with annular grooves on the male flange and the female flange;
and filling cavities are formed in the side walls of the top of the inner cavity of the cover plate and the inner walls of the two sides, and sealing strips which expand and harden when meeting water are filled in the filling cavities.
In this technical scheme, still include the detection identification component that need not extra drive energy source, detection identification component sets up in flange subassembly's outside, whether detection identification component detects the junction between the connecting tube and leaks, and the sign leaks the position.
Further, detect the sign subassembly including being used for collecting the collection shell that leaks out water, it is tetragonal structure to collect the shell, and collects the shell cover outside the flange subassembly that has installed, and collect the cover and be equipped with the opening along connecting pipe axial two lateral walls, set up on the collection shell because the discernment portion of detection and sign, whether have ponding in the discernment portion discernment collection shell.
Further, the identification part comprises at least two guide rails which are distributed vertically, the guide rails are fixed on the side wall of the bottom of the inner cavity of the collecting shell, a floating platform is connected in the guide rails in a sliding manner, a lifting rod is connected to the floating platform, and the top end of the lifting rod penetrates through the side wall of the top of the collecting shell and extends to the top of the collecting shell;
the telescopic link, the telescopic link is fixed on collecting the top lateral wall of shell, the lifter is connected to the top of telescopic link through the horizontal pole, the top of telescopic link is connected with the sign spare.
Further, the support that plays about the support is set up to the both sides of detection sign subassembly, the support includes dead lever and carriage, the carriage is circular or polygonal structure, the carriage cover is at the surface of connecting tube, the carriage is fixed on the surface of transportation pipe through two at least dead levers.
In this technical scheme, still include guide assembly, guide assembly includes two guide rings, two guide rings cover is at the surface of collecting the shell, be fixed with annular guide rail on the inner chamber lateral wall of guide ring, annular guide rail's inside sliding connection has two sliders, and two sliders are connected to the outer wall of collecting the shell through corresponding fixed axle respectively, the outer wall center department of collecting the shell is connected with the heavy object, and heavy object and sign piece are located respectively and collect on two outer walls that shell and connecting tube central line are parallel.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that:
can realize the secondary seal of public sealed cowling and female sealed cowling and flange subassembly junction through seal assembly, the secondary seal provides pressure by connecting bolt's installation, need not extra installation step, realizes seal structure's construction from inside, has reduced outside influence, has improved sealed effect, avoids leaking the emergence.
Meanwhile, the connecting bolt can be self-locked to a certain extent by the reaction force provided by the sealing assembly, so that the sealing performance of the pipeline connecting position is improved.
Can be convenient for patrol personnel to discover connection structure's between pipeline leakage department through detecting the sign subassembly, reduce irrigation water's loss.
Drawings
FIG. 1 is a schematic cross-sectional perspective view of a seal assembly and flange assembly of the present invention;
FIG. 2 is a schematic view of the internal structure of the seal assembly of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a connecting rod assembly according to the present invention;
FIG. 5 is a schematic view of a threaded pipe with a socket according to the present invention;
FIG. 6 is a schematic cross-sectional perspective view of the test marking assembly and flange assembly and guide assembly of the present invention;
FIG. 7 is a schematic view of the structure of the test identification assembly and flange assembly of the present invention;
FIG. 8 is a schematic structural view of a bracket and detection tag assembly of the present invention;
FIG. 9 is a schematic plan view of the support, test flag assembly and guide assembly of the present invention;
FIG. 10 is a schematic diagram of the positional relationship of the test flag assembly and seal assembly of the present invention;
FIG. 11 is a schematic view of a circular structure of a support frame in a bracket according to the present invention;
FIG. 12 is a schematic top view of the guide rail and floating platform of the present invention;
FIG. 13 is a schematic view showing a structure of a collecting shell divided into an upper part and a lower part in a fourth embodiment of the present invention;
FIG. 14 is a schematic structural view of a seal actuator according to a seventh embodiment of the present invention;
FIG. 15 is a schematic view of the enlarged partial structure of FIG. 14B according to the present invention;
FIG. 16 is a schematic view of the front structure of the seal ring of the present invention;
FIG. 17 is a schematic view of the cross-sectional structure at C-C of FIG. 16 in accordance with the present invention;
fig. 18 is a schematic view of the structure of the cover plate of the present invention.
Description of the reference numerals
1. A flange assembly; 11. a male flange; 12. a female flange;
2. a connecting pipe;
3. a connecting bolt;
4. a seal assembly; 41. a male seal cap; 42. a female seal cap; 43. a threaded tube; 44. a connecting rod assembly; 44a, a drive rod; 44b, a transmission rod; 44c, a driven rod; 44d, connecting rods; 44e, a bearing shaft; 44f, a limit rail; 44g, pin shaft; 44h, through grooves; 45. a seal ring; 45a, a sealing gasket; the method comprises the steps of carrying out a first treatment on the surface of the 46. A guide block; 46a, fasteners; 46a1, ratchet teeth; 46a2, pawls; 47. a seal ring; 47a, snap skirt; 47b, a boss; 47c, a jack; 48. a cover plate; 48a, a hook; 48b, an extrusion part; 48c, filling the cavity;
5. detecting an identification component; 51. collecting the shell; 52. a guide rail; 53. a floating platform; 54. a lifting rod; 55. a telescopic rod; 56. a marking piece; 57. a weight;
6. a bracket; 61. a fixed rod; 62. a support frame;
7. a guide assembly; 71. a guide ring; 72. an annular guide rail; 73. a slide block; 74. and a fixed shaft.
Detailed Description
The invention is further illustrated by means of examples which follow, without thereby restricting the scope of the invention thereto.
As shown in fig. 1, the irrigation pipe connection structure comprises a flange assembly 1 for fixing two connection pipes 2, wherein the connection pipes 2 are connected with the flange assembly 1, and the flange assembly 1 is connected through a connection bolt 3 and a nut on the connection bolt 3;
the sealing assembly 4 is covered at the circular arc edge of the flange assembly 1, the sealing assembly 4 provides driving force through studs on the connecting bolts 3 to realize secondary sealing, the connecting bolts 3 rotate in nuts, the rotating connecting bolts 3 move in pushing of threaded engagement, and the moving connecting bolts 3 drive the sealing assembly 4.
Example 1
As an embodiment in the present technical solution, as shown in fig. 2, the flange assembly is composed of a male flange 11 and a female flange 12 that are mutually attached, the seal assembly 4 includes a male seal cover 41 and a female seal cover 42 that are both in annular structures, the male seal cover 41 covers the male flange 11 through which the connecting bolt 3 passes first, the female seal cover 42 covers the female flange 12 that contacts with the nut, the male seal cover 41 and the female seal cover 42 are respectively attached to the surfaces of the male flange 11 and the female flange 12 through driving connection parts, the male seal cover 41 and the female seal cover 42 are fixed through bolts and nuts, the nuts are fixed on the female flange 12, at least two driving connection parts are provided, and the driving connection parts are correspondingly arranged with the connecting bolts 3;
the drive connecting portion comprises a threaded pipe 43, an internal thread is carved on the inner wall of the threaded pipe 43, the threaded pipe 43 is in threaded connection with a stud of the connecting bolt 3 through the internal thread, a slot with a tetragonal structure is formed in the arc-shaped side wall of the threaded pipe 43, the threaded pipe 43 is fixedly connected to the inner wall of the female seal cover 42, and a seal executing mechanism is arranged on one side of the threaded pipe 43.
The primary seal is achieved by the male seal housing 41 and the female seal housing 42 at the junction of the flange assembly 1.
The edge of the male flange 11 and the edge of the female flange 12 are outwards extended to form annular skirts, the annular skirts of the male flange 11 and the female flange 12 are overlapped, and the two annular skirts are connected through bolts and nuts.
Example two
The present embodiment is derived on the basis of the first embodiment, and as shown in fig. 2 and 3, there is a seal actuator including a connecting rod assembly 44 and a seal ring 45;
one end of the connecting rod assembly 44 is connected and arranged at the threaded pipe 43, the other end of the connecting rod assembly 44 is overlapped with the sealing ring 45, the sealing ring 45 is in sliding sleeve connection with the inner wall of the male seal cover 41, the stud rotates and moves in the threaded pipe 43, the moving stud presses the sealing ring 45 through the connecting rod assembly 44, and the pressed sealing ring 45 is pressed at the joint of the male seal cover 41 and the male flange 11.
Example III
The present embodiment is derived on the basis of the first embodiment and the second embodiment, as shown in fig. 3 and 4, the link assembly 44 includes a driving rod 44a, one end of the driving rod 44a extends into the inner cavity of the threaded tube 43 through a slot and can be overlapped with a stud, the surface of the driving rod 44a is penetrated by a bearing shaft 44e, the other end of the driving shaft is rotationally connected with a driving rod 44b through a connecting piece, the driving rod 44b is slidingly connected on a limit guide rail 44f in the horizontal direction, the end of the driving rod 44b is rotationally connected with a driven rod 44c through another connecting piece, the surface of the driven rod 44c is penetrated by another bearing shaft 44e, and the end of the driven rod 44c can be overlapped with a sealing ring 45.
The nuts on the female flange 12 are pre-fixed to the surface thereof, and the fixing mode can be welding or other fixing modes which have the same effect as welding, so that the nuts are fixed on the side wall of the female flange 12, and the threaded holes on the nuts correspond to the holes on the female flange 12.
When connecting the two connecting pipes 2, the male flange 11 and the female flange 12 with the female seal cover 42 are attached, the holes on the surfaces of the connecting pipes 2 and the female flange 12 are in one-to-one correspondence, the threaded pipes 43 in the seal assembly 4 are also in correspondence with the holes on the male flange 11 and the female flange 12, then the male seal cover 41 with the seal ring 45 is covered on the male flange 11, and the male flange 11 and the female flange 12 are pre-fixed by the cooperation of bolts and nuts.
Then sequentially inserting the connecting bolts 3 into the holes on the male flange 11 and the female flange 12, and then rotating the connecting bolts 3 until the nuts on the connecting bolts 3 are tightly attached to the surface of the male flange 11.
When the connecting bolt 3 is correspondingly provided with a driving connecting part, the connecting bolt 3 rotates in the nut, the connecting bolt 3 moves towards one side of the threaded pipe 43 during rotation, the connecting bolt 3 stretches into the threaded pipe 43 during rotation movement and is in threaded connection with the threaded pipe 43, and when the nut of the connecting bolt 3 abuts against the surface of the male flange 11, the female seal cover 42 is also tightly attached to the surface of the female flange 12.
In the moving process of the connecting bolt 3, the connecting bolt 3 tends to be abutted against the driving rod 44a, when the connecting bolt 3 is abutted against the driving rod 44a and then moves continuously, the driving rod 44a rotates by taking the corresponding bearing shaft 44e as the circle center, the driving rod 44a drives the driving rod 44b to move on the limit guide rail 44f through the corresponding connecting piece in the rotating process, the driving rod 44b drives the driven rod 44c to rotate by taking the corresponding bearing shaft 44e as the circle center through the corresponding connecting piece, the end part of the driven rod 44c rotates and then is overlapped with the sealing ring 45, and when the connecting bolt 3 moves continuously, the driven rod 44c tightly presses the sealing gasket 45a on the sealing ring 45 at the joint of the male sealing cover 41 and the male flange 11 to realize sealing, so that secondary sealing is realized.
The secondary sealing of the joint of the male seal cover 41 and the female seal cover 42 and the flange assembly 1 can be realized through the driving connecting part, the secondary sealing is provided with pressure by the installation of the connecting bolt 3, no extra installation step is needed, and the self-locking of the connecting bolt 3 can be realized to a certain extent by the reaction force provided by the driving connecting part.
Before the nut of the connecting bolt 3 is attached to the surface of the male flange 11, the driven rod 44c already presses the sealing washer 45a on the sealing ring 45 to the joint of the male flange 11 and the male sealing cover 41, and when the connecting bolt 3 moves to the limit position, the sealing washer 45a is pressed to the joint of the male flange 11 and the male sealing cover 41.
The nut can be replaced by other workpieces with corresponding threaded holes, the annular side wall of the sealing ring 45 is fixedly provided with a sealing gasket 45a, and the sealing gasket 45a can be lapped at the joint of the male sealing cover 41 and the male flange 11.
The connecting piece is connecting rod 44d, and connecting rod 44 d's one end rotates with the tip of transfer line 44b to be connected, and the other end of connecting rod 44d has seted up and is tetragonal structure's logical groove 44h, all is fixed with round pin axle 44g on the tip of actuating lever 44a and driven lever 44c, and round pin axle 44g passes logical groove 44h, is fixed with the apron on the tip of round pin axle 44g, and the apron overlaps with connecting rod 44 d's surface.
The driving rod 44a and the driven rod 44c rotate around the bearing shaft 44e connected with the driving rod 44a and the driven rod 44c, the bearing shaft 44e is fixed on the inner wall of the female seal housing 42, and the limit guide rail 44f is fixed on the inner wall of the female seal housing 42.
Example IV
As another embodiment in this technical solution, as shown in fig. 7, the device further includes a detection and identification component 5 without additional driving energy source, the detection and identification component 5 is disposed outside the flange component 1, and the detection and identification component 5 detects whether leakage occurs at the connection part between the connection pipes 2 and identifies the leakage position.
The detection identification component 5 comprises a collection shell 51 for collecting leaked water, the collection shell 51 is of a tetragonal structure, the collection shell 51 is covered outside the installed flange component 1, openings are formed in two side walls of the collection cover along the axial direction of the connecting pipeline 2, the collection shell 51 is conveniently sleeved on the flange component 1 and the connecting pipeline 2, a recognition part for detection and identification is arranged on the collection shell 51, and the recognition part is used for recognizing whether accumulated water exists in the collection shell 51.
Further, the identification part comprises at least two guide rails 52 distributed vertically, the guide rails 52 are fixed on the side wall of the bottom of the inner cavity of the collecting shell 51, a floating platform 53 is connected in the guide rails 52 in a sliding manner, as shown in fig. 12, a lifting rod 54 is connected to the floating platform 53, and the top end of the lifting rod 54 penetrates through the side wall of the top of the collecting shell 51 and extends to the top of the collecting shell;
the bottom side of the surface of the guide rail 52 is provided with a water inlet through groove for water to enter.
The telescopic link 55, telescopic link 55 are fixed on the top lateral wall of collecting shell 51, and lifter 54 is connected to the top of telescopic link 55 through the horizontal pole, and the top of telescopic link 55 is connected with the sign piece 56.
The telescopic link 55 is formed by mutually sliding and sleeving at least two pipe bodies with different pipe diameters, the pipe body at the bottommost end is connected with the collecting cover, the pipe body at the topmost end is connected with the cross rod, the surfaces of other pipe bodies except the pipe body at the bottommost end are coated with fluorescent layers, when leakage occurs, the telescopic link 55 stretches, the fluorescent layers on the surfaces of the telescopic link 55 are exposed outside, and inspection staff can find out leaking nodes and areas at night conveniently.
The marker 56 is a small red flag or the like with a conspicuous sign.
When the flange assembly 1 at the joint between the two connecting pipelines 2 leaks, a large amount of leaked water is left in the collecting shell 51 and is collected at the bottom of the inner cavity of the collecting shell 51, when water is accumulated at the bottom of the inner cavity of the collecting shell 51, the accumulated water enables the floating platform 53 to float upwards in the guide rail 52, the floating platform 53 floats to drive the lifting rod 54 to lift, the lifting rod 54 drives the telescopic rod 55 to stretch through the transverse rod, so that the identification piece 56 is driven to lift, and the inspection personnel is reminded of leakage at the position.
The collecting housing 51 may be fixed to the connecting duct 2 in this embodiment.
The collecting housing 51 is fitted over the connecting pipe 2 before the flange assembly 1 is mounted.
The openings in the sides of the collection housing 51 are larger than the diameters of the male flange 11 and the female flange 12.
When the diameters of the male flange 11 and the female flange 12 on the flange assembly 1 are too large, in order to ensure that enough accumulated water can be collected in the inner cavity of the collecting shell 51 to ensure that the telescopic rod 55 is extended by a sufficient length, the collecting shell 51 is divided into an upper part and a lower part, and the upper part and the lower part are connected through bolts and nuts as shown in fig. 13.
The guide rail 52 is fixed to the bottom side wall of the cavity of a part of the collecting housing 51.
Example five
The fourth embodiment is obtained on the basis of the fourth embodiment, as shown in fig. 8, the two sides of the detection and identification component 5 are provided with the brackets 6 for supporting left and right, the brackets 6 comprise the fixing rods 61 and the supporting frames 62, as shown in fig. 11, the supporting frames 62 are in a circular or polygonal structure, the supporting frames 62 are sleeved on the surface of the connecting pipeline 2, and the supporting frames 62 are fixed on the surface of the conveying pipe through at least two fixing rods 61.
The minimum distance from the outer edge of the bracket 6 to the surface of the transport pipe is greater than the maximum distance from the collecting housing 51 to the surface of the connecting pipe 2, and the joint of the two connecting pipes 2 is supported by the bracket 6, so that a good environment is provided for the detection and identification assembly 5.
In this embodiment, the collecting housing 51 may be fixed to the connecting duct 2 or the bracket 6.
Example six
The present embodiment is derived on the basis of the fourth embodiment and the fifth embodiment, as shown in fig. 6 and 9, the present embodiment further includes a guide assembly 7, the guide assembly 7 includes two guide rings 71, the two guide rings 71 are sleeved on the surface of the collecting shell 51, a ring-shaped guide rail 72 is fixed on the inner cavity side wall of the guide ring 71, two sliding blocks 73 are slidingly connected inside the ring-shaped guide rail 72, the two sliding blocks 73 are respectively connected to the outer wall of the collecting shell 51 through corresponding fixing shafts 74, a weight 57 is connected to the center of the outer wall of the collecting shell 51, and the weight 57 and the identifier 56 are respectively located on two outer walls of the collecting shell 51 parallel to the center line of the connecting pipeline 2.
Two guide rings 71 are provided on both sides of the detection tag assembly 5, respectively.
When laying the pipeline of irrigation, connecting pipeline 2 and flange subassembly 1 can not take place the rotation, can collect the identification portion that can go up through guide assembly 7 and be in vertical position all the time, telescopic link 55 and sign piece 56 are in the top all the time promptly, improve the adaptability of detecting sign subassembly 5 in the in-service use.
In this embodiment, when the flange assembly 1 and the connecting pipe 2 rotate during the movement, the collecting housing 51 slides along the sliding block 73 on the annular guide rail 72, at this time, the collecting housing 51 rotates inside the annular guide rail 72, under the action of the weight 57, when the rotation of the collecting housing 51 is stopped, under the action of gravity, the side wall of the collecting housing 51 where the weight 57 is located below, and the identifier 56 is located above.
The weight 57 is spherical or massive and has a weight, the weight of the weight 57 being at least not less than one fifth of the total weight of the collection housing 51 and the detection tag assembly 5.
When the sealing assembly 4 and the detection mark assembly 5 are simultaneously arranged on the flange assembly 1, the collection shell 51 of the detection mark assembly 5 is wrapped outside the sealing assembly 4.
Example seven
The present embodiment is derived on the basis of the first embodiment, as shown in fig. 14, the seal executing mechanism includes a guide block 46, the guide block 46 is fixed on the inner wall of the female seal cover 42, the inner cavity of the guide block 46 is provided with an inverted "J" shaped guide cavity, a fastener 46a which is also inverted "J" shaped is provided in the guide cavity, the fastener 46a slides in the guide cavity, one end of the fastener 46a extends into the inner cavity of the threaded tube 43 through a slot, the other end of the fastener 46a extends to the outer side of the cover plate 48, and the cover plate 48 covers the circular arc surfaces of the male flange 11 and the female flange 12.
As shown in fig. 18, the two opposing inner walls of the cover plate 48 are each flared to form a squeeze portion 48b, and the squeeze portion 48b overlaps the outer wall of the male flange 11 or the female flange 12.
During the movement of the connecting bolt 3, the connecting bolt 3 tends to abut against the end of the fastening piece 46a, and when the connecting bolt 3 continues to move after abutting against the end of the fastening piece 46a, the fastening piece 46a is pushed by the connecting bolt 3 to move in the guide cavity until the other end of the fastening piece 46a abuts against the cover plate 48 tightly, the cover plate 48 is pressed against the circular arc surfaces of the male flange 11 and the female flange 12, and simultaneously the male flange 11 and the female flange 12 can be made to abut against each other by the pressing portion 48b that moves downward.
As shown in fig. 15, a plurality of uniformly distributed pawls 46a2 which can only rotate in one direction are fixed on one section of the outer wall of the fastener 46a, a plurality of uniformly distributed ratchets 46a1 are arranged on the inner wall of the corresponding guide cavity, and the ratchets 46a1 and the pawls 46a2 are mutually matched.
When the fastener 46a moves, the ratchet 46a1 on the surface of the fastener 46a sequentially flicks over the pawl 46a2 on the inner wall of the guide cavity, so that the fastener 46a can only move unidirectionally, and the matched downward-moving extrusion part 48b can keep the male flange 11 and the female flange 12 tightly attached after the connecting bolt 3 fails.
Two hooks 48a which are symmetrically arranged are arranged on the top inner wall of the cover plate 48;
the sealing ring 47 can be matched with the cover plate 48, the sealing ring 47 is arranged at the joint of the male flange 11 and the female flange 12, the annular edge of the sealing ring 47 is provided with clamping skirt edges 47a with the same number as the cover plate 48, and the clamping skirt edges 47a are clamped between the two hooks 48a;
the two sides of the sealing ring 47 are respectively provided with the bulge 47b with an annular structure, the two bulge 47b are respectively clamped with the annular grooves on the male flange 11 and the female flange 12, and the radial impact received at the pipeline connection part can be prevented to a certain extent by the clamping between the bulge 47b and the annular groove, so that resonance is avoided; meanwhile, the clamping skirt 47a and the sealing ring 47 form a T-shaped structure, and when the water is discharged from the inside of the pipeline to irrigate, the T-shaped structure and the cover plate 48 are matched, force is generated along the axial direction and the radial direction of the flange at the joint of the pipeline, so that the impact generated by irrigation water is eliminated, meanwhile, the protruding parts 47b of the two hemispherical structures play a role in sealing, and the protruding parts 47b of the other two hemispherical structures can enable the two pipelines to be connected more tightly and prevent dislocation.
The top side wall and the inner walls of the two sides of the inner cavity of the cover plate 48 are provided with filling cavities 48c, and sealing strips which expand and harden when meeting water are filled in the filling cavities 48 c.
The sealing strip is made by compact cubic bentonite, and when the junction of public flange 11 and female flange 12 leaks, rivers flow to sealing strip department, and the sealing strip meets water fast expansion and hardening, and when realizing the seal, apron 48 by the jack-up of the sealing strip of inflation, on the basis of further fixed sealing washer 47, can make sealed actuating mechanism more stable.
The present invention is not limited to the above-described embodiments, and any changes in shape or structure thereof are within the scope of the present invention. The scope of the present invention is defined by the appended claims, and those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and spirit of the present invention, but these changes and modifications fall within the scope of the present invention.

Claims (11)

1. Irrigation pipe connection structure, including fixed flange subassembly (1) of two connecting tube (2), connecting tube (2) are connected with flange subassembly (1), and flange subassembly (1) are connected its characterized in that through connecting bolt (3) and the nut on connecting bolt (3):
the sealing assembly (4) is covered at the circular arc edge of the flange assembly (1), the sealing assembly (4) provides driving force through a stud on the connecting bolt (3) to realize secondary sealing, the connecting bolt (3) rotates in a nut, the rotating connecting bolt (3) moves in pushing of threaded engagement, and the moving connecting bolt (3) drives the sealing assembly (4);
still including need not detection sign subassembly (5) of extra drive energy source, detection sign subassembly (5) set up in the outside of flange subassembly (1), whether detection sign subassembly (5) detect the junction between connecting tube (2) and leak, and sign leaks the position.
2. The irrigation pipe connection according to claim 1, wherein: the flange assembly is composed of a male flange (11) and a female flange (12) which are mutually attached, the sealing assembly (4) comprises a male sealing cover (41) and a female sealing cover (42) which are of annular structures, the male sealing cover (41) covers the male flange (11) through which connecting bolts firstly pass, the female sealing cover (42) covers the female flange (12) which is contacted with nuts, the male sealing cover (41) and the female sealing cover (42) are respectively attached to the surfaces of the male flange (11) and the female flange (12) through driving connecting parts, the male sealing cover (41) and the female sealing cover (42) are fixed through bolts and nuts, the nuts are fixed on the female flange (12), and the driving connecting parts are correspondingly arranged with the connecting bolts;
the drive connecting portion comprises a threaded pipe (43), an inner thread is carved on the inner wall of the threaded pipe (43), the threaded pipe (43) is connected with a stud of a connecting bolt through the inner thread, a slot with a tetragonal structure is formed in the arc-shaped side wall of the threaded pipe (43), the threaded pipe (43) is fixedly connected to the inner wall of a female sealing cover (42), and a sealing executing mechanism is arranged on one side of the threaded pipe (43).
3. The irrigation pipe connection according to claim 2, wherein: the sealing executing mechanism comprises a connecting rod assembly (44) and a sealing ring (45);
one end of the connecting rod assembly (44) is connected and arranged at the threaded pipe (43), the other end of the connecting rod assembly (44) is overlapped with the sealing ring (45), the sealing ring (45) is in sliding sleeve connection with the inner wall of the male sealing cover (41), the stud rotates and moves in the threaded pipe (43), the moving stud presses the sealing ring (45) through the connecting rod assembly (44), and the pressed sealing ring (45) is pressed at the joint of the male sealing cover (41) and the male flange (11).
4. The irrigation pipe connection according to claim 3 wherein: the connecting rod assembly (44) comprises a driving rod (44 a), one end of the driving rod (44 a) stretches into an inner cavity of the threaded pipe (43) through a slot and can be in lap joint with a stud, the surface of the driving rod (44 a) is penetrated by a bearing shaft (44 e), the other end of the driving shaft is rotationally connected with a driving rod (44 b) through a connecting piece, the driving rod (44 b) is slidingly connected on a limit guide rail (44 f) along the horizontal direction, the end part of the driving rod (44 b) is rotationally connected with a driven rod (44 c) through another connecting piece, the surface of the driven rod (44 c) is penetrated by another bearing shaft (44 e), and the tail end of the driven rod (44 c) can be in lap joint with a sealing ring (45).
5. The irrigation pipe connection according to claim 4 wherein: the connecting piece is connecting rod (44 d), wherein one end of connecting rod (44 d) rotates with the tip of transfer line (44 b) to be connected, logical groove (44 h) that is rectangle structure is seted up to the other end of connecting rod (44 d), all be fixed with round pin axle (44 g) on the tip of actuating lever (44 a) and driven lever (44 c), round pin axle (44 g) pass logical groove (44 h), be fixed with the apron on the tip of round pin axle (44 g), apron and the surface overlap joint of connecting rod (44 d).
6. The irrigation pipe connection according to claim 1, wherein: the detection identification component (5) comprises a collection shell (51) for collecting leaked water, the collection shell (51) is of a tetragonal structure, the collection shell (51) covers the outside of the installed flange component (1), openings are formed in two axial side walls of the collection cover along the connecting pipeline (2), and the collection shell (51) is provided with a recognition part for detection and identification, and the recognition part recognizes whether accumulated water exists in the collection shell (51).
7. The irrigation pipe connection according to claim 6 wherein: the identification part comprises at least two guide rails (52) which are distributed vertically, the guide rails (52) are fixed on the side wall of the bottom of the inner cavity of the collecting shell (51), a floating platform (53) is connected inside the guide rails (52) in a sliding manner, a lifting rod (54) is connected to the floating platform (53), and the top end of the lifting rod (54) penetrates through the side wall of the top of the collecting shell (51) and extends to the top of the collecting shell;
the telescopic rod (55), telescopic rod (55) is fixed on the top lateral wall of collecting shell (51), lifter (54) are connected to the top of telescopic rod (55) through the horizontal pole, the top of telescopic rod (55) is connected with sign spare (56).
8. The irrigation pipe connection according to claim 6 wherein: the utility model discloses a conveyer pipe, including detection sign subassembly (5), support (6) about the both sides setting of detection sign subassembly (5) play the support, support (6) are including dead lever (61) and braced frame (62), braced frame (62) are circular or polygonal structure, braced frame (62) cover is at the surface of connecting tube (2), braced frame (62) are fixed on the surface of conveyer pipe through two at least dead levers (61).
9. The irrigation pipe connection according to claim 6 wherein: still include guide assembly (7), guide assembly (7) include two guide ring (71), two guide ring (71) cover is at the surface of collecting shell (51), be fixed with annular guide rail (72) on the inner chamber lateral wall of guide ring (71), the inside sliding connection of annular guide rail (72) has two sliders (73), and two sliders (73) are connected to the outer wall of collecting shell (51) through corresponding fixed axle (74) respectively, the outer wall center department of collecting shell (51) is connected with heavy object (57), heavy object (57) and marker (56) are located respectively on two outer walls of collecting shell (51) and connecting tube (2) central line parallel.
10. The irrigation pipe connection according to claim 2, wherein: the sealing executing mechanism comprises a guide block (46), the guide block (46) is fixed on the inner wall of a female sealing cover (42), an inverted J-shaped guide cavity is formed in the inner cavity of the guide block (46), a fastener (46 a) which is also inverted J-shaped is arranged in the guide cavity, the fastener (46 a) slides in the guide cavity, one end of the fastener (46 a) stretches into the inner cavity of a threaded pipe (43) through a slot, the other end of the fastener (46 a) extends to one side outside a cover plate (48), the cover plate (48) covers the arc surfaces of the male flange (11) and the female flange (12), two opposite inner walls of the cover plate (48) are outwards expanded to form an extruding part (48 b), and the extruding part (48 b) is overlapped with the outer wall of the male flange (11) or the female flange (12).
11. The irrigation pipe connection according to claim 10 wherein: two hooks (48 a) which are symmetrically arranged are arranged on the inner wall of the top of the cover plate (48);
a plurality of uniformly distributed pawls (46 a 2) which can only rotate in one direction are fixed on the outer wall of one section of the fastener (46 a), a plurality of uniformly distributed ratchets (46 a 1) are arranged on the inner wall of the guide cavity corresponding to the pawls, and the ratchets (46 a 1) and the pawls (46 a 2) are mutually matched;
the sealing device comprises a cover plate (48), and is characterized by further comprising sealing rings (47) which can be matched with the cover plate (48), wherein the sealing rings (47) are arranged at the joint of the male flange (11) and the female flange (12), the annular edge of each sealing ring (47) is provided with clamping skirt edges (47 a) with the same number as the cover plate (48), and the clamping skirt edges (47 a) are clamped between two hooks (48 a);
two sides of the sealing ring (47) are provided with protruding parts (47 b) with annular structures, and the two protruding parts (47 b) are respectively clamped with annular grooves on the male flange (11) and the female flange (12);
and filling cavities (48 c) are formed in the side walls of the top of the inner cavity of the cover plate (48) and the inner walls of the two sides, and sealing strips which expand and harden when meeting water are filled in the filling cavities (48 c).
CN202410183559.6A 2024-02-19 2024-02-19 Irrigation pipe connection structure Active CN117739180B (en)

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