CN110153938B

CN110153938B - Butt joint device for gas pipeline

Info

Publication number: CN110153938B
Application number: CN201910366833.2A
Authority: CN
Inventors: 潘琦霞; 杜小军; 陈水来
Original assignee: QUANZHOU GAS CO Ltd
Current assignee: QUANZHOU GAS CO Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2021-12-14
Anticipated expiration: 2039-05-05
Also published as: CN110153938A

Abstract

The invention discloses a butt joint device for gas pipelines, which comprises a fixed base, a lower clamping seat, an upper clamping seat, a propulsion mechanism, an outer sealing mechanism, a lower pressing mechanism and an inner sealing ring, wherein the middle part of the upper surface of the fixed base is fixedly connected with a pair of lower clamping seats, the upper clamping seat and the lower clamping seat are arranged, the upper clamping seat can be conveniently lifted up and down under the regulation of the pressing mechanism, so that two butt joint gas pipelines can be well fixed in the upper clamping seat and the lower clamping seat, the propulsion mechanism is arranged at the same time, the two butt joint gas pipelines can be pushed to a butt joint port through a simple operation means, the operation is more convenient and simple, the pipeline connection stability is higher, the later-stage disassembly and assembly are convenient, in addition, the outer sealing mechanism and the inner sealing ring are arranged between the two butt joint pipelines, the gas leakage condition between the pipelines is ensured, the sealing effect is better, and the cost of the whole parts is lower compared with the traditional butt joint device, the production cost is reduced to a certain extent, and the applicability is higher.

Description

Butt joint device for gas pipeline

Technical Field

The invention relates to a butt joint device, in particular to a butt joint device for a gas pipeline, and belongs to the technical field of installation equipment.

Background

The gas pipe is a special pipeline of carrying combustible gas, not only need fine sealing between two gas pipes, pipeline after pairing will reduce as far as in addition and rock, stability will be good, but present gas pipeline butt joint all pairs each other through the flange between passing through, it is simple only to support through the support, stability is not high, in case take place to rock, two pipelines misplace easily, move even, cause the leakage, and traditional pipeline butt joint process is very hard and takes trouble, later stage also easy dismouting.

Disclosure of Invention

The present invention is directed to a docking device for a gas pipeline to solve the above problems.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a butt joint device for a gas pipeline, which comprises a fixed base, a pair of lower clamping seats, an upper clamping seat, a propelling mechanism, an outer sealing mechanism, a lower pressing mechanism and an inner sealing ring, wherein the middle part of the upper surface of the fixed base is fixedly connected with the lower clamping seats, lower semicircular clamping grooves are respectively arranged inside the upper surfaces of the two lower clamping seats, threaded rods are respectively and fixedly connected to the upper surfaces of the two lower clamping seats and positioned on two sides of the lower semicircular clamping grooves in a vertical mode, an upper clamping seat is jointly arranged above the two lower clamping seats, upper semicircular clamping grooves are respectively arranged inside two ends of the bottom surface of the upper clamping seat, slots are respectively arranged inside four corners of the upper clamping seat, a bearing is fixedly connected inside each of the four slots, an inner thread sleeve is fixedly connected in each of the four inner bearing rings, and the inner hole of each inner thread sleeve is matched with the corresponding threaded rod, and a pressing mechanism is arranged on the top surface of the upper clamping seat.

As a preferred technical scheme of the invention, the pressing mechanism comprises a sliding plate, a sliding rod, concave plates, gears and spur racks, connecting seats are fixedly connected in the middle of two ends of the top surface of the upper clamping seat, the concave plates are horizontally and fixedly connected on the upper surfaces of the two connecting seats, connecting shafts are movably connected at two ends of a groove in the two concave plates, the four connecting shafts extend to the inside of the slot through the bottom wall of the concave plate and are fixedly connected on the top surface of the internal thread sleeve, the gears are fixedly connected on shaft walls of the four connecting shafts in the concave plates, the sliding plate is fixedly connected in the middle of the top surface of the upper clamping seat, a through hole is arranged in the sliding plate, the sliding rod penetrates through the through hole, the spur racks are horizontally and fixedly connected at two ends of the sliding rod, and the two spur racks are positioned at two ends of the tooth shape and are meshed with the two pairs of gears, the clamping device is characterized in that the upper surface of the fixing base is positioned between two lower clamping seats, the supporting rod is fixedly connected with the supporting rod, the inner sealing ring is fixedly connected to the top end of the supporting rod, a through hole is formed in the inner sealing ring, and a propelling mechanism is arranged on the upper surface of the fixing base and on one side, opposite to each other, of the two lower clamping seats.

As a preferred technical scheme of the invention, the two propulsion mechanisms are composed of a first lower buckle, a first upper buckle, a translation plate and a screw rod, T-shaped chutes are respectively arranged inside two ends of the upper surface of the fixed base, T-shaped sliders are respectively connected inside the two T-shaped chutes in a sliding manner, the top surfaces of the two T-shaped sliders are respectively and vertically and fixedly connected with the translation plate, threaded holes are respectively arranged inside the two translation plates, screw rods penetrate through the threaded holes, the opposite ends of the two screw rods are respectively movably connected to one side of the corresponding lower clamping seat, the top ends of the two translation plates are respectively and fixedly connected with a first lower buckle, the upper ends of the two first lower buckles are respectively and detachably connected with a first upper buckle through a pair of fastening bolts, a gas pipe body is respectively arranged in a clamping hole between the first lower buckle and the first upper buckle, and an outer sealing mechanism is respectively arranged at the opposite ends of the two gas pipe bodies, two external seal mechanism comprises buckle under No. two, buckle and dead lever on No. two the equal joint of the relative one end of gas pipe body has buckle under No. two the buckle upper end all can be dismantled through a pair of fastening bolt and be connected with buckle on No. two the equal perpendicular fixedly connected with dead lever in buckle top on No. two.

According to a preferable technical scheme of the invention, the surfaces of the lower semicircular clamping grooves of the two lower clamping seats are respectively provided with a lower semicircular rubber pad, the surfaces of the upper semicircular clamping grooves of the upper clamping seats are respectively provided with an upper semicircular rubber pad, and the whole circle inner diameter formed between the two lower semicircular rubber pads and the upper semicircular rubber pads is equal to the outer diameter of the two gas pipe bodies.

As a preferable technical scheme of the invention, the upper clamping seat is integrally in a concave shape, a sleeve is fixedly connected to the middle of the groove of the upper clamping seat, a fastening hole is formed in the sleeve, and the diameter of the fastening hole is equal to the sum of the diameters of the two fixing rods and the thickness of the inner sealing ring.

As a preferable technical scheme of the invention, sealing grooves are arranged on two sides of the inner sealing ring and inside the outer ring of the through hole, and a sealing ring is arranged on the inner ring wall of the inner sealing ring.

As a preferable technical scheme of the invention, a first rubber ring is arranged on the inner wall of a clamping hole between the first lower buckle and the first upper buckle, a second rubber ring is arranged on the inner wall of a clamping hole between the second lower buckle and the second upper buckle, and the inner diameters of the first rubber ring and the second rubber ring are equal to the outer diameter of the gas pipe body.

As a preferred technical solution of the present invention, two semicircular sealing protrusions are respectively disposed on opposite side surfaces of the two second lower buckles and on opposite side surfaces of the two second upper buckles, and a width, a thickness, and a radius of each semicircular sealing protrusion are respectively equal to a depth, a width, and a radius of the sealing groove.

The invention has the following beneficial effects: according to the invention, the upper clamping seat and the lower clamping seat are arranged, the upper clamping seat can be conveniently lifted up and down under the regulation of the pressing mechanism, and can be clamped on the lower clamping seat finally, so that the two butt joint gas pipelines can be well fixed in the upper clamping seat and the lower clamping seat, meanwhile, the pushing mechanism is arranged, the two butt joint gas pipelines can be pushed to the butt joint port through a simple operation means, the operation is more convenient and simple, the positioning process is easier, the pipeline connection stability is higher, the later-stage disassembly and assembly are convenient, the outer sealing mechanism and the inner sealing ring are arranged between the other two butt joint pipelines, the condition that gas leakage between the pipelines cannot occur is ensured, the sealing effect is better, the cost of the whole parts is lower compared with that of the traditional butt joint device, a certain production cost is reduced, and the applicability is higher.

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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a cross-sectional view of the connection of the lower and upper clamping seats of the present invention;

FIG. 3 is an enlarged view of the invention at A;

FIG. 4 is a schematic view of the propulsion mechanism of the present invention;

FIG. 5 is a schematic structural diagram of an external sealing mechanism of the present invention;

FIG. 6 is a schematic view of the slider structure of the present invention;

FIG. 7 is a schematic view of the inner seal ring structure of the present invention;

FIG. 8 is a schematic view of the sleeve construction of the present invention;

fig. 9 is a schematic structural view of the fixing base of the present invention.

In the figure: 1. a fixed base; 11. a T-shaped chute; 2. a lower clamping seat; 21. a threaded rod; 22. the lower semicircle clamping groove; 23. a lower semicircular rubber pad; 3. an upper clamping seat; 31. a slot; 32. an internal thread sleeve; 33. a bearing; 34. an upper semicircular clamping groove; 35. an upper semicircular rubber pad; 4. a propulsion mechanism; 41. a translation plate; 42. a first lower buckle; 43. a first upper buckle; 44. a screw rod; 45. a T-shaped slider; 46. a threaded hole; 47. a first rubber ring; 5. a gas pipe body; 6. an outer sealing mechanism; 61. a second lower buckle; 62. a second buckle is arranged; 63. fixing the rod; 64. a semicircular sealing bump; 65. a second rubber ring; 7. a pressing mechanism; 71. a slide plate; 72. a slide bar; 73. a connecting shaft; 74. a connecting seat; 75. a concave plate; 76. a gear; 77. straight rack; 711. perforating; 8. a stay bar; 9. an inner seal ring; 91. a through hole; 92. a seal ring; 93. a sealing groove; 10. a sleeve; 101. a fastening hole.

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. 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.

Example (b): as shown in fig. 1-9, the invention relates to a butt joint device for a gas pipeline, which comprises a fixed base 1, lower clamping seats 2, upper clamping seats 3, a propulsion mechanism 4, an outer sealing mechanism 6, a lower pressing mechanism 7 and an inner sealing ring 9, wherein the middle part of the upper surface of the fixed base 1 is fixedly connected with a pair of lower clamping seats 2, the inner parts of the upper surfaces of the two lower clamping seats 2 are respectively provided with a lower semicircular clamping groove 22, the upper surfaces of the two lower clamping seats 2 and the two sides of the lower semicircular clamping grooves 22 are respectively and vertically and fixedly connected with a threaded rod 21, the upper parts of the two lower clamping seats 2 are respectively and commonly provided with an upper clamping seat 3, the inner parts of the two ends of the bottom surface of the upper clamping seat 3 are respectively provided with an upper semicircular clamping groove 34, the inner parts of the four corners of the upper clamping seat 3 are respectively provided with an inserting groove 31, the inner parts of the four inserting grooves 31 are respectively and fixedly connected with a bearing 33, and the inner rings of the four bearing 33 are respectively and fixedly connected with an inner thread sleeve 32, the inner hole of the inner thread sleeve 32 is matched with the corresponding threaded rod 21, and the top surface of the upper clamping seat 3 is provided with a pressing mechanism 7.

Wherein, push down mechanism 7 comprises slide 71, slide bar 72, notch plate 75, gear 76, spur rack 77, go up the equal fixedly connected with connecting seat 74 in the middle of the centre at connecting seat 3 top surface both ends, two the equal horizontal fixedly connected with notch plate 75 in connecting seat 74 upper surface, two the equal swing joint in recess both ends of notch plate 75 has connecting axle 73, four the inside and fixed connection that the diapire that connecting axle 73 all runs through notch plate 75 extends to slot 31 is at the top surface of internal thread cover 32, four connecting axle 73 is located equal fixedly connected with gear 76 on the axle wall of notch plate 75 inside, go up the centre fixedly connected with slide 71 of joint seat 3 top surface, the inside perforation 711 that is equipped with of slide 71, the inside slip of perforation 711 has run through slide bar 72, the equal horizontal fixedly connected with spur rack 77 in slide bar 72 both ends, two spur rack 77 is located the profile of tooth end and is connected with two pairs of gear 76 meshing, fixing base 1 upper surface just is located perpendicular fixedly connected with vaulting pole 8 between two joint seats 2 down, sealing ring 9 in the 8 top fixedly connected with of vaulting pole, the inside through-hole 91 that is equipped with of interior sealing ring 9, fixing base 1 upper surface just is located two joint seats 2 opposite sides down and all is equipped with advancing mechanism 4.

Wherein, two propulsion mechanisms 4 are composed of a first lower buckle 42, a first upper buckle 43, a translation plate 41 and a screw rod 44, T-shaped chutes 11 are respectively arranged inside two ends of the upper surface of the fixed base 1, T-shaped sliding blocks 45 are respectively connected inside the two T-shaped chutes 11 in a sliding manner, the translation plate 41 is respectively fixedly connected on the top surfaces of the two T-shaped sliding blocks 45 in a vertical manner, threaded holes 46 are respectively arranged inside the two translation plates 41, the screw rod 44 penetrates through the threads inside the two threaded holes 46, one end of each of the two screw rods 44 opposite to each other is movably connected on one side of the corresponding lower clamping seat 2, the first lower buckle 42 is respectively fixedly connected on the top ends of the two translation plates 41, the first upper buckle 43 is detachably connected on the upper ends of the two first lower buckles 42 through a pair of fastening bolts, and a gas pipe body 5 is respectively arranged in a clamping hole between the two first lower buckles 42 and the first upper buckle 43, two 5 relative one ends of gas pipe body all are equipped with external seal mechanism 6, two external seal mechanism 6 comprises buckle 61, buckle 62 and dead lever 63 on No. two by No. two buckle 61 under, No. two 5 relative one ends of gas pipe body all the joint have buckle 61 under No. two, two No. two buckle 61 upper end all can be dismantled through a pair of fastening bolt and be connected with buckle 62 on No. two go up the equal perpendicular fixedly connected with dead lever 63 in buckle 62 top on No. two.

Lower clamping seat 2 is located the surface of semicircle clamping groove 22 down and all is equipped with down semicircle rubber pad 23, the surface that goes up clamping seat 3 and is located two last semicircle clamping grooves 34 all is equipped with first semicircle rubber pad 35, and two the full circle internal diameter that forms between lower semicircle rubber pad 23 and the first semicircle rubber pad 35 equals the external diameter of two gas pipe bodies 5, and the gas pipe body 5 of being convenient for can the fixed clip under in clamping seat 2 and last clamping seat 3.

The upper clamping seat 3 is integrally in a shape like a Chinese character 'ao', the upper clamping seat 3 is fixedly connected with a sleeve 10 in the middle of the groove, a fastening hole 101 is formed in the sleeve 10, the diameter of the fastening hole 101 is equal to the sum of the diameters of the two fixing rods 63 and the thickness of the inner sealing ring 9, the fixing effect is enhanced, and the two gas pipe bodies 5 are prevented from sliding towards two sides.

Wherein, the inside seal groove 93 that all is equipped with of the outer lane that the interior sealing ring 9 both sides just are located through-hole 91, just be equipped with sealing washer 92 on the interior rampart of interior sealing ring 9, play sealed effect.

Wherein, be equipped with rubber circle 47 on buckle 42 and the card hole inner wall between the buckle 43 on one number down jointly, be equipped with rubber circle 65 on buckle 61 and the card hole inner wall between the buckle 62 on two numbers down jointly, just rubber circle 47 and the internal diameter of No. two rubber circles 65 equal the 5 external diameters of gas pipe body, and buckle 42 and the last buckle 43 of being convenient for and buckle 61 and No. two numbers down and No. two numbers go up buckle 62 and fasten on gas pipe body 5 surface under buckle 42 and No. two numbers.

Wherein, all be equipped with a semicircular sealing lug 64 on two No. two lower buckle 61 opposite side and two No. two buckle 62 opposite side, and every semicircular sealing lug 64's width and thickness and radius equal the degree of depth and width and the radius of seal groove 93 respectively, strengthen sealed effect.

Specifically, when the gas pipe sealing device is used, firstly, two gas pipe bodies 5 are placed on a first lower buckle 42, two first upper buckles 43 are fixedly clamped on the first lower buckle 42 through fastening bolts, the first lower buckle 42 and the first upper buckle 43 can be ensured to clamp the gas pipe bodies 5, then two screw rods 44 are rotated, a translation plate 41 moves oppositely on a fixed base 1 through the sliding of a T-shaped sliding block 45 and a T-shaped sliding groove 11, the two gas pipe bodies 5 are moved to a position between two lower clamping seats 2 and an inner sealing ring 9, then two second lower buckles 61 and two second upper buckles 62 are clamped at the butt ends of the two gas pipe bodies 5 through the fastening bolts, the screw rods 44 are continuously rotated, so that the two gas pipe bodies 5 with the outer sealing mechanisms 6 are inserted into through holes 91 of the inner sealing ring 9, and simultaneously, each semicircular sealing lug 64 is inserted into a corresponding sealing groove 93, guarantee to inject the back, insert last joint seat 3 on every threaded rod 21 through slot 31, promote slide bar 72 again, cooperation through spur rack 77 and gear 76, it rotates to drive connecting axle 73, thereby drive four internal thread cover 32 and rotate, internal thread cover 32 just with threaded rod 21 threaded connection, it slowly moves down to go up joint seat 3, until last joint seat 3 with lower joint seat 2 pair completely can, at this in-process, two dead levers 63 can be lived completely in sleeve 10's fastening hole 101, thereby can be better guarantee that two gas pipe bodies 5 can not have a subtle removal to both sides, the fixed action has been strengthened, whole interfacing apparatus easy operation, sealed effect is better, stability between two pipelines is better, the dismouting is more convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A butt joint device for a gas pipeline is characterized by comprising a fixed base (1), lower clamping seats (2), upper clamping seats (3), a propulsion mechanism (4), an outer sealing mechanism (6), a pressing mechanism (7) and an inner sealing ring (9), wherein the middle of the upper surface of the fixed base (1) is fixedly connected with a pair of lower clamping seats (2), lower semicircular clamping grooves (22) are formed in the upper surfaces of the two lower clamping seats (2), threaded rods (21) are vertically and fixedly connected with the upper surfaces of the two lower clamping seats (2) and positioned on two sides of the lower semicircular clamping grooves (22), an upper clamping seat (3) is jointly arranged above the two lower clamping seats (2), upper semicircular clamping grooves (34) are respectively formed in the two ends of the bottom surface of the upper clamping seat (3), and inserting grooves (31) are respectively formed in the four corners of the upper clamping seat (3), the four inserting grooves (31) are internally and fixedly connected with a bearing (33), the four bearing (33) inner rings are internally and fixedly connected with an inner thread sleeve (32), the inner hole of the inner thread sleeve (32) is matched with a corresponding threaded rod (21), the top surface of the upper clamping seat (3) is provided with a pressing mechanism (7), the upper surface of the fixed base (1) and one side of the upper surface of the fixed base, which is opposite to the two lower clamping seats (2), are respectively provided with a propelling mechanism (4), the two propelling mechanisms (4) are respectively composed of a first lower buckle (42), a first upper buckle (43), a translation plate (41) and a screw rod (44), the two ends of the upper surface of the fixed base (1) are internally and respectively provided with a T-shaped sliding groove (11), the two T-shaped sliding grooves (11) are internally and respectively and slidably connected with a T-shaped sliding block (45), and the top surfaces of the two T-shaped sliding blocks (45) are respectively and vertically and fixedly connected with the translation plate (41), the two translation plates (41) are internally provided with threaded holes (46), the two threaded holes (46) are internally provided with screw rods (44) in a threaded penetrating manner, the two screw rods (44) are movably connected to one side of the corresponding lower clamping seat (2) at the opposite ends, the two top ends of the translation plates (41) are fixedly connected with a first lower buckle (42), the two upper ends of the first lower buckle (42) are detachably connected with a first upper buckle (43) through a pair of fastening bolts, a gas pipe body (5) is arranged in a clamping hole between the first lower buckle (42) and the first upper buckle (43), the pressing mechanism (7) is composed of a sliding plate (71), a sliding rod (72), a concave plate (75), a gear (76) and a straight rack (77), the connecting seats (74) are fixedly connected to the middle of the top surfaces of the upper clamping seat (3), the concave plates (75) are fixedly connected to the upper surfaces of the two connecting seats (74) in a horizontal manner, two equal swing joint in recess both ends of concave plate (75) has connecting axle (73), four the diapire that connecting axle (73) all run through concave plate (75) extends to the top surface of inside and fixed connection at internal thread cover (32) of slot (31), four connecting axle (73) are located equal fixedly connected with gear (76) on the axle wall of concave plate (75) inside, go up positive middle fixedly connected with slide plate (71) of joint seat (3) top surface, slide plate (71) inside is equipped with perforation (711), perforation (711) inside slides and has run through slide bar (72), the equal horizontal fixedly connected with spur rack (77) in slide bar (72) both ends, two spur rack (77) are located profile of tooth end and two pairs of gear (76) meshing connection, unable adjustment base (1) upper surface just is located perpendicular fixedly connected with vaulting pole (8) between two lower joint seats (2), stay bar (8) top fixedly connected with interior sealing ring (9), interior sealing ring (9) inside is equipped with through-hole (91).

2. The butt joint device for the gas pipeline as claimed in claim 1, wherein the two gas pipe bodies (5) are provided with outer sealing mechanisms (6) at opposite ends, each outer sealing mechanism (6) is composed of a second lower buckle (61), a second upper buckle (62) and a fixing rod (63), each second lower buckle (61) is clamped at the opposite end of each gas pipe body (5), the second upper buckles (62) are detachably connected to the upper ends of the two second lower buckles (61) through a pair of fastening bolts, and the fixing rods (63) are vertically and fixedly connected to the top ends of the two second upper buckles (62).

3. The butt joint device for the gas pipeline according to claim 1, wherein the surfaces of the two lower clamping seats (2) located in the lower semicircular clamping grooves (22) are provided with lower semicircular rubber pads (23), the surfaces of the two upper clamping seats (3) located in the two upper semicircular clamping grooves (34) are provided with upper semicircular rubber pads (35), and the whole circular inner diameter formed between the two lower semicircular rubber pads (23) and the upper semicircular rubber pads (35) is equal to the outer diameter of the two gas pipe bodies (5).

4. The butt joint device for the gas pipeline, according to claim 2, characterized in that the upper clamping seat (3) is overall in a shape of Chinese character 'ao', the upper clamping seat (3) is fixedly connected with a sleeve (10) at the middle of the groove, a fastening hole (101) is arranged inside the sleeve (10), and the diameter of the fastening hole (101) is equal to the sum of the diameter of the two fixing rods (63) and the thickness of the inner sealing ring (9).

5. The butt joint device for the gas pipeline as claimed in claim 2, wherein a sealing groove (93) is formed in the outer ring of the through hole (91) and on both sides of the inner sealing ring (9), and a sealing ring (92) is arranged on the inner ring wall of the inner sealing ring (9).

6. The butt joint device for the gas pipeline is characterized in that a first rubber ring (47) is arranged on the inner wall of a clamping hole between the first lower buckle (42) and the first upper buckle (43) together, a second rubber ring (65) is arranged on the inner wall of the clamping hole between the second lower buckle (61) and the second upper buckle (62) together, and the inner diameters of the first rubber ring (47) and the second rubber ring (65) are equal to the outer diameter of the gas pipe body (5).

7. The butt joint device for the gas pipeline, according to claim 5, wherein a semicircular sealing protrusion (64) is provided on each of opposite sides of two lower clips (61) and opposite sides of two upper clips (62), and the width, thickness and radius of each semicircular sealing protrusion (64) are respectively equal to the depth, width and radius of the sealing groove (93).