CN116045095A - Water conservancy pipeline joint sealing device and sealing method thereof - Google Patents
Water conservancy pipeline joint sealing device and sealing method thereof Download PDFInfo
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- CN116045095A CN116045095A CN202310042253.4A CN202310042253A CN116045095A CN 116045095 A CN116045095 A CN 116045095A CN 202310042253 A CN202310042253 A CN 202310042253A CN 116045095 A CN116045095 A CN 116045095A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a water conservancy pipeline joint sealing device and a sealing method thereof, and relates to the technical field of water conservancy pipeline connection, wherein the sealing device comprises a sealing ring, an inner ring is arranged on an inner ring surface of the sealing ring, a widening ring is arranged on the inner ring surface of the inner ring, a pair of sealing pipes are arranged on two sides of the sealing ring, connecting rings are arranged on opposite surfaces of the sealing pipes, and a baffle ring is arranged at an inner port of the sealing pipes; a pair of annular rotating rings are sleeved on the outer ring surface of the annular sliding rail, a plurality of pairs of fixed seats are arranged on two sides of the outer ring surface of the sealing ring, and a plurality of locking seats are arranged on the outer ring surface of the sealing tube; the inner ring surface of the widening ring is provided with a plurality of trapezoid boxes, the middle parts of the inner bottom walls of the trapezoid boxes are respectively inserted with a worm, and the worms are connected with a pair of annular rotating rings through a linkage mechanism; two pairs of limiting racks are arranged on two sides of the bottom of the trapezoid box and are connected with corresponding baffle rings through limiting assemblies. The sealing performance of the water conservancy pipeline joint is improved, and the stability of the water conservancy pipeline joint is further improved.
Description
Technical Field
The invention relates to the technical field of water conservancy pipeline connection, in particular to a water conservancy pipeline joint sealing device and a sealing method thereof.
Background
The Chinese patent discloses a hydraulic engineering pipeline connection sealing device (publication number: CN 113513658B), which comprises a travelling mechanism and a gluing mechanism arranged at the end part of the travelling mechanism, wherein the travelling mechanism comprises a frame and a plurality of supporting pulleys arranged on the frame, the frame comprises a front annular frame and a rear annular frame, a supporting rod is arranged between the front annular frame and the rear annular frame, a plurality of movable rods which are arranged in parallel with the supporting rod are arranged on the supporting rod through connecting rods, the supporting pulleys are arranged at two ends of the movable rods, and the gluing mechanism is arranged at the front end of the frame.
When the existing water conservancy pipeline is connected, the following defects exist: 1. in order to improve the tightness between water conservancy pipelines, a sealing gasket is added into the connecting pipe for sealing, gaps are generated along with the long-time use of the pipeline and the sealing gasket when the pipeline and the sealing gasket move mutually, and the gaps generated between the pipeline and the sealing gasket are larger and larger, so that the sealing between the pipelines is not facilitated; 2. when the water conservancy pipeline is spliced, the joints of the water conservancy pipeline are connected in a bolt locking mode, gaps still exist in the joints of the pipeline, and water can be impacted to the joints of the pipeline by a certain water pressure due to a certain pressure of the water in the process of flowing in the pipeline, so that water leakage from the joints of the pipeline can occur over time.
Disclosure of Invention
The invention aims to solve the defects of poor sealing and poor stability in the prior art when water conservancy pipelines are connected, and provides a water conservancy pipeline joint sealing device.
In order to solve the problems of poor sealing and poor stability during the connection of water conservancy pipelines in the prior art, the invention adopts the following technical scheme:
the utility model provides a water conservancy pipeline connects sealing device, includes the sealing ring, be equipped with the inner ring of concentric rigid coupling on the inner ring face of sealing ring, be equipped with the widening ring of concentric rigid coupling on the inner ring face of inner ring, the both sides of sealing ring are equipped with the sealing tube of symmetrical setting, and a pair of the opposite face of sealing tube all is equipped with the go-between of concentric rigid coupling, and a pair of the opposite face port of sealing tube all is equipped with the baffle ring of concentric rigid coupling;
the outer ring surface of the sealing ring is sleeved with a pair of concentric fixedly connected annular sliding rails, the outer ring surface of each annular sliding rail is clamped with an annular rotating ring in sliding connection, two sides of the outer ring surface of the sealing ring are provided with a plurality of pairs of fixing seats which are circularly arranged, each fixing seat is inserted with a screw rod which is rotationally connected, the outer ring surface of the sealing pipe is provided with a pair of circularly arranged locking seats, each locking seat is provided with a threaded hole, and the outer end part of each screw rod is spirally inserted in the corresponding threaded hole;
a plurality of circularly arranged trapezoid boxes are arranged on the inner ring surface of the widened ring, the middle part of the inner bottom wall of each trapezoid box is inserted with a worm in rotary connection, and each worm is connected with a pair of annular rotating rings through a linkage mechanism; two pairs of obliquely-through limiting sliding holes are formed in two sides of the bottom of the trapezoid box, limiting racks which penetrate through in a sliding mode are inserted into each limiting sliding hole, and each limiting rack is connected with a corresponding baffle ring through a limiting assembly;
the linkage mechanism comprises a linkage shaft and a linkage gear, wherein the top end part of the worm is provided with a coaxially-connected linkage shaft, the linkage shaft sequentially rotates to penetrate through the inner top wall of the trapezoid box, the widened ring, the inner ring and the sealing ring and extend to the outer side of the sealing ring, the outer end part of the linkage shaft is sleeved with the concentric fixedly-connected linkage gear, the opposite surfaces of a pair of annular rotating rings are respectively provided with a plurality of circularly-arranged second rack grooves, and the linkage gears are sequentially meshed and connected with the second rack grooves at two sides;
the two sides of the inner bottom of the trapezoid box are provided with a pair of limiting shafts, the front end and the rear end of each limiting shaft are rotatably connected with the inner wall of the trapezoid box, worm wheels which are concentrically fixedly connected are sleeved at the middle parts of the limiting shafts, and the worm is sequentially meshed with the corresponding pair of worm wheels.
Preferably, the opposite surfaces of the pair of connecting rings respectively prop against the two side surfaces of the inner ring, a pair of first annular grooves are formed in the outer side surface of each connecting ring, a pair of first sealing rings which are concentrically fixedly connected are arranged on the two side surfaces of the inner ring, and each first sealing ring is matched and clamped in the corresponding first annular groove.
Preferably, a pair of opposite faces of the baffle ring respectively prop against two side faces of the widened ring, a pair of second annular grooves are formed in the two side faces of the widened ring, a pair of second sealing rings which are concentrically fixedly connected are arranged on the opposite faces of the baffle ring, and each second sealing ring is matched and clamped in the corresponding second annular groove.
Preferably, the outer tip of screw rod extends to the outside of locking seat and overlaps the nut that is equipped with the screw thread locking, the bolt hole that link up the screw hole has been seted up to the outside limit of locking seat, arc breach has been seted up at the middle part of screw rod, arc breach and bolt hole one-to-one, miniature bolt has been inserted to the inside of bolt hole.
Preferably, a plurality of first rack grooves which are circularly arranged are formed in the outer ring surface of each annular rotating ring, driven gears which are concentrically fixedly connected are sleeved at the inner end part of each screw rod, and each driven gear is meshed and connected with the corresponding first rack groove.
Preferably, the top of the outer ring surface of the sealing ring is provided with a pair of symmetrically arranged servo motors, the end part of a motor shaft of each servo motor is sleeved with a driving gear which is concentrically fixedly connected, and each driving gear is meshed and connected with a corresponding first rack groove.
Preferably, the limiting assembly comprises limiting bolts, each limiting rack is provided with a limiting bolt at the outer end part, a plurality of pairs of limiting slots are formed in the inner ring surface of the baffle ring, and each limiting bolt is inserted into the corresponding limiting slot at the outer end part.
The invention also provides a sealing method of the water conservancy pipeline joint sealing device, which comprises the following steps:
step one, a pair of sealing pipes are distributed on two sides of a sealing ring, so that the outer end parts of screw rods are propped against corresponding threaded holes, a pair of servo motors are synchronously started, motor shafts of the pair of servo motors are controlled to rotate in a positive-negative direction, the motor shafts of the servo motors drive a driving gear to rotate, and the meshing effect of the driving gear and a first rack groove drives a pair of annular rotating rings to rotate in a positive-negative direction in a staggered manner along an annular sliding rail;
step two, when the annular swivel rotates, the meshing effect of the first rack groove and the driven gear drives the driven gear and the screw to synchronously rotate, and the screw rotates spirally along the threaded hole to drive the sealing pipes on two sides to slowly approach the sealing ring;
thirdly, along with the fact that the pair of sealing pipes are close to the sealing rings, the opposite faces of the pair of connecting rings respectively prop against the two side faces of the inner ring, each first sealing ring is matched and clamped in the corresponding first annular groove, the opposite faces of the pair of baffle rings respectively prop against the two side faces of the widening ring, and each second sealing ring is matched and clamped in the corresponding second annular groove;
step four, when the annular swivel rotates, the meshing action of the second rack groove and the linkage gear drives the linkage gear, the linkage shaft and the worm to synchronously rotate, and the meshing action of the worm and the pair of worm gears drives the pair of limit shafts to positively and reversely staggered rotate;
step five, when the limiting shaft rotates, the limiting gear is driven to synchronously rotate, and the meshing effect of the limiting gear and the limiting rack drives the limiting rack to slide outwards along the limiting sliding hole, so that the outer end parts of the limiting bolts are inserted into the corresponding limiting slots;
step six, when the sealing ring is tightly abutted against the pair of sealing pipes, the pair of connecting rings are inserted into the gaps between the sealing ring and the widening ring and are abutted against the inner ring, the pair of baffle rings are abutted against the widening ring, the screw is matched and inserted into the corresponding threaded hole, and the limit plug pin is matched and inserted into the corresponding limit slot;
and seventhly, sequentially locking a plurality of nuts at the outer end part of the screw rod, sequentially inserting a plurality of micro bolts into corresponding bolt holes, and forming a limiting effect through the micro bolts and the arc-shaped notch to enable the screw rod to be limited and locked.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, when the sealing ring is tightly abutted against the pair of sealing pipes, the pair of connecting rings are inserted into the gap between the sealing ring and the widening ring, so that the opposite surfaces of the pair of connecting rings respectively abut against the two side surfaces of the inner ring, and the first sealing rings are matched and clamped in the corresponding first annular grooves;
the pair of baffle rings are abutted against the widened rings, so that the opposite surfaces of the pair of baffle rings are respectively abutted against the two side surfaces of the widened rings, and the second sealing rings are matched and clamped in the corresponding second annular grooves;
the first sealing ring and the second sealing ring are arranged in pairs, so that water penetration can be effectively blocked through the cooperation of the first sealing ring and the second sealing ring, and the sealing performance of the joint of the first sealing ring and the second sealing ring is enhanced;
2. in the invention, the widened ring in the sealing ring is connected with the baffle rings in the pair of sealing pipes in a clamping manner, and the limiting racks slide outwards along the limiting sliding holes, so that the outer end parts of the limiting bolts are inserted into the corresponding limiting slots;
the clamping component is arranged in the sealing pipe, so that the pressure caused by water flow impact can be relieved, no matter how the water flow impacts, a large gap is not generated at the joint of the sealing ring and the sealing pipe, and the stability of the joint is further enhanced;
the screw locking member is arranged outside the screw locking seat, and the limiting effect is formed by the miniature bolt and the arc-shaped notch, so that the screw is limited and locked, the stability of threaded connection of the screw and the locking seat is enhanced, and the stability of the connecting position of the screw is further enhanced;
in conclusion, the invention solves the problems of poor sealing and poor stability during the connection of the water conservancy pipelines, has compact overall structural design, and not only increases the sealing performance of the connection part of the water conservancy pipelines, but also further increases the stability of the connection part of the water conservancy pipelines.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is an exploded view of the front view of the present invention;
FIG. 4 is an exploded view of the front view structure of the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram of the components of the front view structure of the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a seal ring and a pair of seal tubes according to the present invention;
FIG. 9 is a schematic cross-sectional view of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic diagram of a linkage mechanism according to the present invention;
FIG. 11 is a schematic view of the meshing of a worm with a pair of worm gears in accordance with the present invention;
FIG. 12 is an exploded view of the screw and locking seat of the present invention;
FIG. 13 is a schematic diagram of a sealing method of the present invention;
number in the figure: 1. a seal ring; 11. an inner ring; 12. a widening ring; 13. a first seal ring; 2. sealing the tube; 21. a connecting ring; 22. a baffle ring; 23. a second seal ring; 3. an annular slide rail; 31. an annular swivel; 32. a fixing seat; 33. a screw; 34. a driven gear; 35. a locking seat; 36. a servo motor; 37. a drive gear; 4. a trapezoid box; 41. a worm; 42. a linkage shaft; 43. a linkage gear; 44. a limit rack; 45. a limiting shaft; 46. a worm wheel; 47. a limit gear; 5. a nut; 51. a micro bolt; 52. an arc notch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one: 1-12, specifically, the sealing device comprises a sealing ring 1, wherein an inner ring surface of the sealing ring 1 is provided with an inner ring 11 which is concentrically fixedly connected, an inner ring surface of the inner ring 11 is provided with a widened ring 12 which is concentrically fixedly connected, two sides of the sealing ring 1 are provided with symmetrically arranged sealing pipes 2, opposite surfaces of the sealing pipes 2 are respectively provided with a connecting ring 21 which is concentrically fixedly connected, and opposite surface inner ports of the sealing pipes 2 are respectively provided with a baffle ring 22 which is concentrically fixedly connected;
the outer ring surface of the sealing ring 1 is sleeved with a pair of concentric fixedly connected annular sliding rails 3, the outer ring surface of each annular sliding rail 3 is clamped with an annular rotating ring 31 in sliding connection, two sides of the outer ring surface of the sealing ring 1 are provided with a plurality of pairs of circularly arranged fixing seats 32, each fixing seat 32 is inserted with a screw 33 in rotary connection, the outer ring surface of the pair of sealing pipes 2 is provided with a circularly arranged locking seat 35, each locking seat 35 is provided with a threaded hole, and the outer end part of each screw 33 is spirally inserted in the corresponding threaded hole;
a plurality of circularly arranged trapezoid boxes 4 are arranged on the inner ring surface of the widening ring 12, the middle part of the inner bottom wall of each trapezoid box 4 is inserted with a worm 41 which is connected in a rotating way, and each worm 41 is connected with a pair of annular rotating rings 31 through a linkage mechanism; two pairs of obliquely through limiting sliding holes are formed in two sides of the bottom of the trapezoid box 4, limiting racks 44 penetrating through sliding are inserted into each limiting sliding hole, and each limiting rack 44 is connected with the corresponding baffle ring 22 through a limiting assembly.
In the specific implementation process, as shown in fig. 3 and 7, the top of the outer ring surface of the sealing ring 1 is provided with a pair of symmetrically arranged servo motors 36, the end part of a motor shaft of each servo motor 36 is sleeved with a driving gear 37 which is concentrically and fixedly connected, and each driving gear 37 is meshed and connected with a corresponding first rack groove;
controlling the motor shafts of a pair of servo motors 36 to rotate in a positive and negative direction, wherein the motor shafts of the servo motors 36 drive a driving gear 37 to rotate, and the meshing effect of the driving gear 37 and a first rack groove drives a pair of annular rotating rings 31 to rotate in a positive and negative staggered manner along an annular sliding rail 3;
a plurality of first rack grooves which are circularly arranged are formed in the outer ring surface of each annular rotating ring 31, driven gears 34 which are concentrically fixedly connected are sleeved on the inner end part of each screw 33, and each driven gear 34 is meshed and connected with the corresponding first rack groove;
when the annular swivel 31 rotates, the meshing effect of the first rack groove and the driven gear 34 drives the driven gear 34 and the screw 33 to synchronously rotate, and the screw 33 rotates spirally along the threaded hole to drive the sealing pipes 2 on two sides to slowly approach the sealing ring 1.
In a specific implementation process, as shown in fig. 2 and 6, the limiting assembly comprises limiting bolts, the outer end part of each limiting rack 44 is provided with a limiting bolt, the inner ring surface of the baffle ring 22 is provided with a plurality of pairs of limiting slots, and the outer end part of each limiting bolt is inserted into the corresponding limiting slot;
the limiting rack 44 slides outwards along the limiting sliding hole, so that the outer end part of the limiting plug pin is inserted into the corresponding limiting slot, and the clamping component is arranged in the limiting slot, so that the pressure caused by water flow impact can be slowed down, the joint of the sealing ring 1 and the sealing tube 2 can not be caused to generate a large gap no matter how the water flow impacts, and the stability of the joint of the sealing ring and the sealing tube is further enhanced.
The description is as follows: in this embodiment, as shown in fig. 12, the outer end of the screw 33 extends to the outside of the locking seat 35 and is sleeved with a threaded locking nut 5, the outer side of the locking seat 35 is provided with a bolt hole penetrating through the threaded hole, the middle of the screw 33 is provided with arc-shaped notches 52, the arc-shaped notches 52 are in one-to-one correspondence with the bolt holes, and a micro bolt 51 is inserted into the bolt hole;
the nuts 5 are sequentially locked at the outer end parts of the screw rods 33, the micro bolts 51 are sequentially inserted into corresponding bolt holes, and the screw rods 33 are limited and locked through the limiting effect formed by the micro bolts 51 and the arc-shaped gaps 52 by arranging screw rod locking members outside the screw rods, so that the stability of threaded connection of the screw rods 33 and the locking seats 35 is enhanced, and the phenomenon that the screw rods 33 are loosened after long-time use is avoided.
Embodiment two: in the first embodiment, there is also a problem that the seal ring 1 does not seal tightly with the pair of seal pipes 2, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the specific implementation process, as shown in fig. 2 and 9, opposite surfaces of a pair of connecting rings 21 respectively prop against two side surfaces of an inner ring 11, a pair of first annular grooves are formed in the outer side surface of each connecting ring 21, a pair of first sealing rings 13 which are concentrically fixedly connected are arranged on two side surfaces of the inner ring 11, and each first sealing ring 13 is matched and clamped in the corresponding first annular groove;
when the sealing ring 1 is tightly abutted against the pair of sealing pipes 2, the pair of connecting rings 21 are inserted into the gaps between the sealing ring 1 and the widened rings 12, so that the opposite surfaces of the pair of connecting rings 21 respectively abut against the two side surfaces of the inner ring 11, and each first sealing ring 13 is matched and clamped in the corresponding first annular groove;
the opposite surfaces of the pair of baffle rings 22 respectively prop against the two side surfaces of the widened ring 12, a pair of second annular grooves are formed in the two side surfaces of the widened ring 12, a pair of second sealing rings 23 which are concentrically fixedly connected are arranged on the opposite surfaces of the pair of baffle rings 22, and each second sealing ring 23 is matched and clamped in the corresponding second annular groove;
when the sealing ring 1 is in sealing abutting joint with the pair of sealing pipes 2, the pair of baffle rings 22 are in abutting joint with the widened ring 12, so that opposite surfaces of the pair of baffle rings 22 are respectively abutted against two side surfaces of the widened ring 12, and each second sealing ring 23 is matched and clamped in the corresponding second annular groove;
because the first sealing ring 13 and the second sealing ring 23 are arranged in pairs, the first sealing ring 13 and the second sealing ring 23 are matched for use, so that the water permeation can be effectively blocked, and the sealing performance of the joint can be enhanced.
Embodiment III: in the first embodiment, there is a problem that the worm 41 lacks power and cannot perform synchronous rotation, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the specific implementation process, as shown in fig. 7 and 10, the linkage mechanism comprises a linkage shaft 42 and a linkage gear 43, the top end of the worm 41 is provided with the coaxially connected linkage shaft 42, the linkage shaft 42 sequentially rotates to penetrate through the inner top wall of the trapezoid box 4, the widened ring 12, the inner ring 11 and the sealing ring 1 and extend to the outer side of the sealing ring 1, the outer end part of the linkage shaft 42 is sleeved with the concentrically fixedly connected linkage gear 43, the opposite surfaces of the pair of annular rotating rings 31 are respectively provided with a plurality of circularly arranged second rack grooves, and the linkage gears 43 are sequentially meshed with the second rack grooves at two sides;
when the annular rotating ring 31 rotates, the meshing effect of the second rack groove and the linkage gear 43 drives the linkage gear 43, the linkage shaft 42 and the worm 41 to synchronously rotate, so that the servo motor 36 drives the worm 41 to synchronously rotate in an indirect linkage mode, and a plurality of worms 41 are conveniently driven to synchronously rotate.
Embodiment four: in the first embodiment, there is a problem that the limiting rack 44 cannot slide outwards along the limiting sliding hole synchronously, so the first embodiment further includes:
in a specific implementation process, as shown in fig. 10 and 11, two sides of the inner bottom of the trapezoid box 4 are provided with a pair of limiting shafts 45, the front end and the rear end of each limiting shaft 45 are rotatably connected with the inner wall of the trapezoid box 4, the middle of each limiting shaft 45 is sleeved with a worm gear 46 concentrically fixedly connected, and the worm 41 is sequentially meshed with the corresponding pair of worm gears 46; the worm 41 and the worm gear 46 are meshed to drive the limiting shafts 45 to rotate in a forward and reverse staggered manner;
the two end parts of each limiting shaft 45 are sleeved with limiting gears 47 which are concentrically fixedly connected, and each limiting gear 47 is in meshed connection with a corresponding limiting rack 44; when the limiting shaft 45 rotates, the limiting gear 47 is driven to synchronously rotate, and the meshing effect of the limiting gear 47 and the limiting rack 44 drives the limiting rack 44 to slide outwards along the limiting sliding hole.
Fifth embodiment: referring to fig. 13, the working principle and the operation method of the present invention are as follows:
step one, a pair of sealing pipes 2 are distributed on two sides of a sealing ring 1, so that the outer end parts of screw rods 33 are propped against corresponding threaded holes, a pair of servo motors 36 are synchronously started, motor shafts of the pair of servo motors 36 are controlled to rotate in a positive-negative direction, motor shafts of the servo motors 36 drive a driving gear 37 to rotate, and the driving gear 37 is meshed with a first rack groove to drive a pair of annular rotating rings 31 to rotate in a positive-negative staggered mode along an annular sliding rail 3;
step two, when the annular rotating ring 31 rotates, the meshing effect of the first rack groove and the driven gear 34 drives the driven gear 34 and the screw 33 to synchronously rotate, and the screw 33 carries out spiral rotation along the threaded hole to drive the sealing pipes 2 on two sides to slowly approach the sealing ring 1;
step three, along with the approach of the pair of sealing pipes 2 to the sealing ring 1, the opposite surfaces of the pair of connecting rings 21 respectively prop against the two side surfaces of the inner ring 11, each first sealing ring 13 is matched and clamped in the corresponding first annular groove, the opposite surfaces of the pair of baffle rings 22 respectively prop against the two side surfaces of the widened ring 12, and each second sealing ring 23 is matched and clamped in the corresponding second annular groove;
step four, when the annular rotating ring 31 rotates, the meshing action of the second rack groove and the linkage gear 43 drives the linkage gear 43, the linkage shaft 42 and the worm 41 to synchronously rotate, and the meshing action of the worm 41 and the pair of worm gears 46 drives the pair of limit shafts 45 to positively and reversely rotate in a staggered manner;
step five, when the limiting shaft 45 rotates, the limiting gear 47 is driven to synchronously rotate, and the meshing effect of the limiting gear 47 and the limiting rack 44 drives the limiting rack 44 to slide outwards along the limiting sliding hole, so that the outer end parts of the limiting bolts are inserted into the corresponding limiting slots;
step six, when the sealing ring 1 is tightly abutted against the pair of sealing pipes 2, the pair of connecting rings 21 are inserted into the gap between the sealing ring 1 and the widened ring 12 and abutted against the inner ring 11, the pair of baffle rings 22 are abutted against the widened ring 12, the threaded rods 33 are matched and inserted into the corresponding threaded holes, and the limit bolts are matched and inserted into the corresponding limit slots;
step seven, a plurality of nuts 5 are sequentially locked at the outer end part of the screw 33, a plurality of micro bolts 51 are sequentially inserted into corresponding bolt holes, and a limiting effect is formed through the micro bolts 51 and the arc-shaped notches 52, so that the screw 33 is limited and locked.
The invention solves the problems of poor sealing and poor stability during the connection of the water conservancy pipelines, has compact overall structural design, and not only increases the sealing performance of the connection part of the water conservancy pipelines, but also further increases the stability of the connection part of the water conservancy pipelines.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a water conservancy pipeline connects sealing device, includes sealing ring (1), its characterized in that: an inner ring (11) which is concentrically fixedly connected is arranged on the inner ring surface of the sealing ring (1), a widened ring (12) which is concentrically fixedly connected is arranged on the inner ring surface of the inner ring (11), a pair of symmetrically arranged sealing pipes (2) are arranged on two sides of the sealing ring (1), connecting rings (21) which are concentrically fixedly connected are arranged on the opposite surfaces of the pair of sealing pipes (2), and baffle rings (22) which are concentrically fixedly connected are arranged on the opposite inner ports of the pair of sealing pipes (2);
the sealing ring comprises a sealing ring body, wherein a pair of annular sliding rails (3) which are concentrically fixedly connected are sleeved on the outer annular surface of the sealing ring body (1), annular rotating rings (31) which are in sliding connection are clamped on the outer annular surface of each annular sliding rail (3), a plurality of pairs of fixing seats (32) which are circularly arranged are arranged on two sides of the outer annular surface of the sealing ring body (1), screw rods (33) which are rotationally connected are inserted on each fixing seat (32), locking seats (35) which are circularly arranged are arranged on the outer annular surface of the sealing tube (2), threaded holes are formed in each locking seat (35), and the outer end parts of the screw rods (33) are spirally inserted in the corresponding threaded holes;
a plurality of circularly arranged trapezoid boxes (4) are arranged on the inner ring surface of the widened ring (12), a worm (41) which is rotationally connected is inserted into the middle of the inner bottom wall of each trapezoid box (4), and each worm (41) is connected with a pair of annular rotating rings (31) through a linkage mechanism; two pairs of obliquely-through limiting sliding holes are formed in two sides of the bottom of the trapezoid box (4), limiting racks (44) penetrating in a sliding mode are inserted into each limiting sliding hole, and each limiting rack (44) is connected with a corresponding baffle ring (22) through a limiting assembly;
the linkage mechanism comprises a linkage shaft (42) and a linkage gear (43), the top end part of the worm (41) is provided with the coaxially-connected linkage shaft (42), the linkage shaft (42) sequentially rotates to penetrate through the inner top wall of the trapezoid box (4), the widened ring (12), the inner ring (11) and the sealing ring (1) and extend to the outer side of the sealing ring (1), the outer end part of the linkage shaft (42) is sleeved with the concentrically-fixedly-connected linkage gear (43), the opposite surfaces of the pair of annular rotating rings (31) are respectively provided with a plurality of circularly-arranged second rack grooves, and the linkage gear (43) is sequentially meshed and connected with the second rack grooves at two sides;
the novel multifunctional ladder box is characterized in that a pair of limiting shafts (45) are arranged on two sides of the inner bottom of the ladder box (4), the front end and the rear end of each limiting shaft (45) are rotatably connected with the inner wall of the ladder box (4), worm gears (46) fixedly connected with each other in a concentric mode are sleeved on the middle of each limiting shaft (45), and the worm (41) is sequentially meshed with the corresponding pair of worm gears (46).
2. The water conservancy pipeline joint sealing device according to claim 1, wherein: the opposite surfaces of the pair of connecting rings (21) respectively prop against the two side surfaces of the inner ring (11), a pair of first annular grooves are formed in the outer side surface of each connecting ring (21), a pair of first sealing rings (13) which are concentrically fixedly connected are arranged on the two side surfaces of the inner ring (11), and each first sealing ring (13) is matched and clamped in the corresponding first annular groove.
3. A water conservancy pipeline joint sealing device according to claim 2, wherein: the opposite surfaces of the pair of baffle rings (22) respectively prop against the two side surfaces of the widened ring (12), a pair of second annular grooves are formed in the two side surfaces of the widened ring (12), a pair of second sealing rings (23) which are concentrically fixedly connected are arranged on the opposite surfaces of the pair of baffle rings (22), and each second sealing ring (23) is matched and clamped in the corresponding second annular groove.
4. A water conservancy pipeline joint sealing device according to claim 3, wherein: the outer end of the screw rod (33) extends to the outer side of the locking seat (35) and is sleeved with a threaded locking nut (5), a bolt hole penetrating through the threaded hole is formed in the outer side of the locking seat (35), an arc-shaped notch (52) is formed in the middle of the screw rod (33), the arc-shaped notches (52) are in one-to-one correspondence with the bolt holes, and a miniature bolt (51) is inserted into the bolt holes.
5. The water conservancy pipeline joint sealing device of claim 4 wherein: a plurality of first rack grooves which are circularly arranged are formed in the outer ring surface of each annular rotating ring (31), driven gears (34) which are concentrically fixedly connected are sleeved at the inner end parts of the screws (33), and each driven gear (34) is meshed and connected with the corresponding first rack groove.
6. The water conservancy pipeline joint sealing device of claim 5 wherein: the top of the outer ring surface of the sealing ring (1) is provided with a pair of symmetrically arranged servo motors (36), the end part of a motor shaft of each servo motor (36) is sleeved with a driving gear (37) which is concentrically fixedly connected, and each driving gear (37) is meshed and connected with a corresponding first rack groove.
7. The water conservancy pipeline joint sealing device of claim 6 wherein: the limiting assembly comprises limiting bolts, each limiting rack (44) is provided with a limiting bolt at the outer end part, a plurality of pairs of limiting slots are formed in the inner ring surface of the baffle ring (22), and each limiting bolt is inserted into the corresponding limiting slot at the outer end part.
8. The sealing method of a water conservancy pipeline joint sealing device according to claim 7, comprising the steps of:
step one, a pair of sealing pipes (2) are distributed on two sides of a sealing ring (1), so that the outer end parts of screw rods (33) are propped against corresponding threaded holes, a pair of servo motors (36) are synchronously started, motor shafts of the pair of servo motors (36) are controlled to rotate positively and negatively, a motor shaft of the servo motor (36) drives a driving gear (37) to rotate, and the driving gear (37) is meshed with a first rack groove to drive a pair of annular rotating rings (31) to rotate positively and reversely in a staggered manner along an annular sliding rail (3);
step two, when the annular rotating ring (31) rotates, the meshing action of the first rack groove and the driven gear (34) drives the driven gear (34) and the screw (33) to synchronously rotate, and the screw (33) rotates spirally along the threaded hole to drive the sealing pipes (2) on two sides to slowly approach the sealing ring (1);
step three, along with the fact that the pair of sealing pipes (2) are close to the sealing rings (1), opposite faces of the pair of connecting rings (21) respectively prop against two side faces of the inner ring (11), each first sealing ring (13) is matched and clamped in the corresponding first annular groove, opposite faces of the pair of baffle rings (22) respectively prop against two side faces of the widened ring (12), and each second sealing ring (23) is matched and clamped in the corresponding second annular groove;
step four, when the annular rotating ring (31) rotates, the meshing effect of the second rack groove and the linkage gear (43) drives the linkage gear (43), the linkage shaft (42) and the worm (41) to synchronously rotate, and the meshing effect of the worm (41) and the pair of worm gears (46) drives the pair of limit shafts (45) to positively and reversely staggered rotate;
step five, when the limiting shaft (45) rotates, the limiting gear (47) is driven to synchronously rotate, and the meshing effect of the limiting gear (47) and the limiting rack (44) drives the limiting rack (44) to slide outwards along the limiting sliding hole, so that the outer end parts of the limiting bolts are inserted into the corresponding limiting slots;
step six, when the sealing ring (1) is tightly abutted against the pair of sealing pipes (2), a pair of connecting rings (21) are inserted into the gap between the sealing ring (1) and the widened ring (12) and abutted against the inner ring (11), a pair of baffle rings (22) are abutted against the widened ring (12), the threaded rods (33) are matched and inserted into corresponding threaded holes, and the limiting bolts are matched and inserted into corresponding limiting slots;
and seventhly, sequentially locking a plurality of nuts (5) at the outer end part of the screw rod (33), sequentially inserting a plurality of micro bolts (51) into corresponding bolt holes, and forming a limiting effect with the arc-shaped notch (52) through the micro bolts (51) so as to limit and lock the screw rod (33).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310042253.4A CN116045095B (en) | 2023-01-28 | 2023-01-28 | Water conservancy pipeline joint sealing device and sealing method thereof |
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| CN202310042253.4A CN116045095B (en) | 2023-01-28 | 2023-01-28 | Water conservancy pipeline joint sealing device and sealing method thereof |
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| CN116045095B CN116045095B (en) | 2023-06-06 |
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| CN116045095B (en) | 2023-06-06 |
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