CN111255973B

CN111255973B - Corrugated expansion joint

Info

Publication number: CN111255973B
Application number: CN202010151053.9A
Authority: CN
Inventors: 邓明洋; 张旭
Original assignee: Jiangsu Zhongxing Water Service Co ltd
Current assignee: Jiangsu Tongyi Power Equipment Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-12-07
Anticipated expiration: 2040-03-06
Also published as: CN111255973A

Abstract

The invention relates to the field of corrugated expansion joints, in particular to a corrugated expansion joint, which comprises an expansion joint body, wherein the upper end and the lower end of the expansion joint body are detachably connected with fixing rings through first bolts, the inner diameters of the fixing rings are the same as the inner diameter of the expansion joint body, the outer diameters of the fixing rings are larger than the outer diameter of the expansion joint body, one sides of the fixing rings, far away from the expansion joint body, are fixedly connected with fixing pipes, one ends of the fixing pipes, far away from the expansion joint body, are respectively provided with a connecting mechanism, supporting plates are respectively arranged between the two sides of the fixing rings, the supporting plates are respectively provided with a separating mechanism, and the outer part of the expansion joint body is provided with a protection mechanism. The invention can be installed by one worker, and the installation process is convenient.

Description

Corrugated expansion joint

Technical Field

The invention relates to the field of corrugated expansion joints, in particular to a corrugated expansion joint.

Background

The expansion joint is also called compensator or expansion joint, belonging to a compensation element, and utilizing the effective expansion deformation of its working main body corrugated pipe to absorb the size change produced by the reasons of expansion with heat and contraction with cold, etc. the corrugated expansion energy-saving expansion effect is mainly implemented by means of corrugated pipe, and the function and strength design of corrugated expansion joint is mainly that the corrugated pipe is designed, and the corrugated pipe can be stretched, compressed or bent so as to form the corrugated expansion joint with three basic forms of axial, transverse and angular orientation.

In the pipeline installation process to carrying in the irrigation canals and ditches, need install the lower extreme of expansion joint on another pipeline on one end of expansion joint and one of them pipeline during the installation again, need another staff to hold the expansion joint in the installation, the installation is comparatively troublesome, the part of expansion joint and pipe connection only leans on the bolt to fix, the load of bolt is great, the time of use has been of a specified duration, if the internal pressure of expansion joint is too big, the phenomenon of leaking appears easily in expansion joint and pipe connection part.

Disclosure of Invention

In view of the present problems, the present invention provides a bellows expansion joint.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a ripple expansion joint, includes the expansion joint body, the last lower extreme of expansion joint body all can be dismantled through first bolt and be connected with solid fixed ring, gu fixed ring's the internal diameter all is the same with the internal diameter of expansion joint body, gu fixed ring's external diameter all is bigger than the external diameter of expansion joint body, gu fixed ring keeps away from the fixed pipe of the equal fixedly connected with in one side of expansion joint body, the one end that the expansion joint body was kept away from to fixed pipe all installs coupling mechanism, all install the backup pad between solid fixed ring's the both sides, all install separating mechanism in the backup pad, the externally mounted of expansion joint body has protection mechanism.

Specifically, the backup pad all includes two fixed plates, two the equal fixed connection of fixed plate is on the solid fixed ring of homonymy, and homonymy two equal common fixedly connected with riser between the fixed plate, the equal fixedly connected with bearing in inside of riser.

Specifically, protection machanism includes first shell and second shell, the size of first shell is the same with the size of second shell, first shell fixed connection is between two solid fixed rings, first shell is located the back of expansion joint body, the slot has all been seted up to the positive both sides of first shell, the first extension board of the equal fixedly connected with in both sides of first shell, the front middle part of first extension board all is seted up flutedly, a plurality of screws have all been seted up to the upper and lower end of first extension board, the second shell is located the front of expansion joint body, the equal fixedly connected with second extension board in both sides of second shell, the equal fixedly connected with picture peg in the back both sides of second shell, the equal joint of picture peg is in the inside of homonymy slot.

Specifically, a plurality of second bolts are inserted into the upper end and the lower end of the second support plate, the number of the second bolts arranged on the second support plate is the same as that of screw holes formed in the first support plate on the same side, the second bolts correspond to the screw holes in one-to-one mode, and the second bolts penetrate through the second support plate and are connected inside the corresponding screw holes in a threaded mode.

Specifically, the equal fixedly connected with rubber strip of lower extreme on the front of second shell, one side that the second shell middle part was kept away from to the rubber strip is supported on the solid fixed ring of homonymy.

The utility model discloses a separation mechanism, including dwang, the place bearing is all run through at the both ends of dwang, the lateral wall of dwang all with the inside wall fixed connection of place bearing, the dwang is close to the equal fixedly connected with stripper plate of one end of expansion joint body, the inside of the recess of seting up on the first extension board of homonymy of the equal joint of stripper plate, the equal fixedly connected with carousel of one end of expansion joint body is kept away from to the dwang, a plurality of commentaries on classics leaves of equal fixedly connected with on the circumference lateral wall of carousel are same distance homogeneous phase between two adjacent commentaries on classics leaves on the carousel.

The connecting mechanism comprises a first flange and a second flange, the first flange and the second flange are arranged on the same side, the first flange and the second flange are relatively close to one side and are abutted together, the same side is clamped between the first flange and the second flange, a plurality of clamping sleeves are arranged between the first flange and the second flange, the clamping sleeves are of concave structures, third bolts are inserted on the clamping sleeves, the third bolts penetrate through the side wall of the clamping sleeves and are in threaded connection with the first flange and the second flange on the same side, one side of the second flange, away from the first flange on the same side, is fixedly connected with connecting pipes, the size of the first flange is identical to that of the second flange on the same side, one side of the first flange, close to the expansion joint body, and one side of the second flange, away from the expansion joint body, are in contact with the inner side wall of the clamping sleeves on the same side.

The invention has the beneficial effects that:

(1) according to the invention, the two fixing rings with the supporting plates and the connecting mechanisms are arranged on the expansion joint body, when the expansion joint is installed, two pipelines needing to be installed are connected together through the connecting pipes of the two connecting mechanisms, then the expansion joint is installed between the two fixing rings, so that the expansion joint can be installed by one worker, and the installation process is convenient.

(2) The clamping sleeves are arranged between the first flange and the second flange of the two connecting mechanisms, the first flange and the second flange on the same side can be fixedly clamped together by utilizing the clamping sleeves, the load of the third bolt can be reduced, and the phenomenon that the joint of the connecting mechanism and a pipeline is leaked due to the fact that the third bolt is damaged due to large load is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a cut-away view of the present invention;

FIG. 2 is a schematic view of the construction of the extrusion plate of the present invention;

FIG. 3 is a schematic structural view of the protection mechanism of the present invention;

FIG. 4 is a diagram of the area A in FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of a first plate of the present invention;

fig. 6 is an external structural view of the present invention.

In the figure: 1. an expansion joint body; 2. a first bolt; 3. a fixing ring; 4. a support plate; 41. a fixing plate; 42. a vertical plate; 43. a bearing; 5. a separating mechanism; 51. rotating the rod; 52. a pressing plate; 53. a turntable; 54. rotating the leaves; 6. a protection mechanism; 61. a first housing; 62. a second housing; 63. inserting plates; 64. a first support plate; 65. a groove; 66. a screw hole; 67. a second support plate; 68. a second bolt; 69. a rubber strip; 610. a slot; 7. a fixed tube; 8. a connecting mechanism; 81. a first flange; 82. a second flange; 83. a connecting pipe; 84. a card sleeve; 85. and a third bolt.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the corrugated expansion joint of the present invention comprises an expansion joint body 1, the upper end and the lower end of the expansion joint body 1 are both detachably connected with a fixing ring 3 through a first bolt 2, the inner diameters of the fixing rings 3 are the same as the inner diameter of the expansion joint body 1, the outer diameters of the fixing rings 3 are larger than the outer diameter of the expansion joint body 1, one side of the fixing ring 3 far away from the expansion joint body 1 is fixedly connected with a fixing pipe 7, one end of the fixing pipe 7 far away from the expansion joint body 1 is provided with a connecting mechanism 8, a supporting plate 4 is arranged between the two sides of the fixing ring 3, a separating mechanism 5 is arranged on each supporting plate 4, a protecting mechanism 6 is arranged outside the expansion joint body 1, the two fixing rings 3 can be separated by the support plate 4, fixing the expansion joint body 1 between the two passages.

Specifically, the supporting plates 4 respectively comprise two fixing plates 41, the two fixing plates 41 are fixedly connected to the fixing rings 3 on the same side, a vertical plate 42 is fixedly connected between the two fixing plates 41 on the same side, bearings 43 are fixedly connected inside the vertical plate 42, the two fixing rings 3 are fixed together through the vertical plate 42, and then the two pipelines of the expansion joint are fixed and installed, so that workers can install the expansion joint body 1 conveniently.

Specifically, the protection mechanism 6 includes a first housing 61 and a second housing 62, the size of the first housing 61 is the same as that of the second housing 62, the first housing 61 is fixedly connected between two fixing rings 3, the first housing 61 is located on the back of the expansion joint body 1, slots 610 are respectively formed on two sides of the front of the first housing 61, first supporting plates 64 are fixedly connected to two sides of the first housing 61, grooves 65 are respectively formed in the middle of the front of the first supporting plates 64, a plurality of screw holes 66 are respectively formed in the upper and lower ends of the first supporting plates 64, the second housing 62 is located on the front of the expansion joint body 1, second supporting plates 67 are fixedly connected to two sides of the second housing 62, inserting plates 63 are respectively fixedly connected to two sides of the back of the second housing 62, the inserting plates 63 are respectively clamped in the slots 610 on the same side, and the expansion joint body 1 is protected by the first housing 61 and the second housing 62, the expansion joint body 1 is prevented from being damaged, and the transported substance is prevented from leaking.

Specifically, a plurality of second bolts 68 are inserted into the upper end and the lower end of the second support plate 67, the number of the second bolts 68 arranged on the second support plate 67 is the same as that of the screw holes 66 formed in the first support plate 64 on the same side, the second bolts 68 penetrate through the second support plate 67 and are in threaded connection with the inside of the corresponding screw holes 66, the first support plate 64 and the second support plate 67 on the same side are fixed together through the second bolts 68, and therefore the second housing 62 is fixed on the first housing 61, and the second housing 62 is convenient to disassemble and assemble.

Specifically, the equal fixedly connected with rubber strip 69 of lower extreme on the front of second shell 62, one side that second shell 62 middle part was kept away from to rubber strip 69 supports on the solid fixed ring 3 of homonymy, and usable rubber strip 69 plugs up the gap between the solid fixed ring 3 of lower extreme and homonymy on second shell 62, prevents that expansion joint body 1 from being corroded by the moisture in the outside air.

Specifically, separating mechanism 5 all includes dwang 51, dwang 51 all inserts in the inside of homonymy bearing 43, place bearing 43 is all run through at the both ends of dwang 51, the lateral wall of dwang 51 all with the inside wall fixed connection of place bearing 43, the equal fixedly connected with stripper plate 52 of one end that dwang 51 is close to expansion joint body 1, the equal joint of stripper plate 52 is in the inside of the recess 65 of seting up on homonymy first extension board 64, the equal fixedly connected with carousel 53 of one end that expansion joint body 1 was kept away from to dwang 51, equal fixedly connected with a plurality of vanes 54 on the circumference lateral wall of carousel 53, it is same that the distance between two adjacent vanes 54 on carousel 53 is all the same, accessible dwang 51 rotates stripper plate 52, utilizes stripper plate 52 to part first shell 61 and second shell 62, conveniently unloads second shell 62, the expansion joint body 1 is replaced.

Specifically, coupling mechanism 8 all includes first flange 81 and second flange 82, the homonymy first flange 81 and second flange 82 all support together in the one side that is close to relatively, the homonymy equal joint has a plurality of cutting ferrule 84 between first flange 81 and the second flange 82, cutting ferrule 84 all is concave type structure, all insert on the cutting ferrule 84 and be equipped with third bolt 85, third bolt 85 all passes the lateral wall of place cutting ferrule 84 and all threaded connection on homonymy first flange 81 and second flange 82, the equal fixedly connected with connecting pipe 83 of one side that homonymy first flange 81 was kept away from to second flange 82, fixes first flange 81 and second flange 82 together through cutting ferrule 84, alleviates third bolt 85's load, prevents that third bolt 85 from damaging because of the load is too big, the size of first flange 81 all is the same with the size of second flange 82, one side that first flange 81 is close to expansion joint body 1 and one side that expansion joint body 1 was kept away from to second flange 82 Are in contact with the inner side walls of the same-side clamping sleeves 84, the invention can be connected to two pipelines through the first flange 81 and the second flange 82, and the clamping sleeves 84 can conveniently clamp the same-side first flange 81 and the second flange 82 together.

In use, the present invention is moved to the installation place, the connecting pipes 83 of the two connecting mechanisms 8 are fixed on the two pipes provided with the present invention, then one first flange 81 of the connecting pipes is abutted against one second flange 82, a plurality of cutting sleeves 84 are clamped between the first flange 81 and the second flange 82, the first flange 81 and the second flange 82 are clamped together, the cutting sleeves 84 are clamped on the first flange 81 and the second flange 82 through the third bolts 85, then the above steps are repeated to fix the other first flange 81 and the second flange 82 together, so that the two fixing rings 3 and the supporting plate 4 are fixed between the two pipes, then the second bolts 68 of the protecting mechanism 6 are detached, the rotating rod 51 is rotated through the rotating disc 53 of the separating mechanism 5, the pressing plate 52 is rotated through the rotating rod 51, the first shell 61 and the second shell 62 of the protecting mechanism 6 are pressed through the pressing plate 52, the second casing 62 is taken off from the first casing 61, then the expansion joint body 1 is placed between the two fixing rings 3, the expansion joint body 1 is pushed into the first casing 61, the expansion joint body 1 and the connecting pipes 83 of the two connecting mechanisms 8 are located on the same central line, the upper end and the lower end of the expansion joint body 1 are fixed on the fixing rings 3 on the same side by using the first bolts 2, then the pressing plate 52 is rotated back to the original position by the rotating disc 53, the second casing 62 is clamped between the two fixing rings 3 until the second casing 62 and the first casing 61 are attached together, the second support plate 67 on the second casing 62 and the first support plate 64 of the first casing 61 abut together, and then the first support plate 64 and the second support plate 67 on the same side are fixed together by using the second bolts 68.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The corrugated expansion joint comprises an expansion joint body (1), and is characterized in that the upper end and the lower end of the expansion joint body (1) are detachably connected with fixing rings (3) through first bolts (2), the inner diameters of the fixing rings (3) are the same as the inner diameter of the expansion joint body (1), the outer diameters of the fixing rings (3) are larger than the outer diameter of the expansion joint body (1), one sides, far away from the expansion joint body (1), of the fixing rings (3) are fixedly connected with fixing pipes (7), one ends, far away from the expansion joint body (1), of the fixing pipes (7) are provided with connecting mechanisms (8), supporting plates (4) are arranged between two sides of the fixing rings (3), the supporting plates (4) are provided with separating mechanisms (5), and the outer portions of the expansion joint body (1) are provided with protecting mechanisms (6);

separating mechanism (5) all include dwang (51), dwang (51) all insert in the inside of homonymy bearing (43), place bearing (43) all is run through at the both ends of dwang (51), the lateral wall of dwang (51) all with the inside wall fixed connection of place bearing (43), dwang (51) are close to the equal fixedly connected with stripper plate (52) of one end of expansion joint body (1), the inside of recess (65) of seting up on the first extension board (64) of homonymy in stripper plate (52), the equal fixedly connected with carousel (53) of one end of expansion joint body (1) is kept away from in dwang (51), equal fixedly connected with a plurality of commentaries on classics leaf (54) on the circumference lateral wall of carousel (53), it is same it is all the same to go up distance between two adjacent commentaries on carousel (53).

2. A bellows expansion joint according to claim 1, wherein: the supporting plate (4) comprises two fixing plates (41), the two fixing plates (41) are fixedly connected to the fixing ring (3) on the same side, the two fixing plates (41) on the same side are fixedly connected with vertical plates (42) together, and bearings (43) are fixedly connected to the inner portions of the vertical plates (42).

3. A bellows expansion joint according to claim 1, wherein: the protection mechanism (6) comprises a first shell (61) and a second shell (62), the size of the first shell (61) is the same as that of the second shell (62), the first shell (61) is fixedly connected between two fixing rings (3), the first shell (61) is located on the back face of the expansion joint body (1), slots (610) are respectively formed in two sides of the front face of the first shell (61), first support plates (64) are fixedly connected to two sides of the first shell (61), grooves (65) are respectively formed in the middle of the front face of each first support plate (64), a plurality of screw holes (66) are respectively formed in the upper end and the lower end of each first support plate (64), the second shell (62) is located on the front face of the expansion joint body (1), second support plates (67) are fixedly connected to two sides of the second shell (62), inserting plates (63) are respectively fixedly connected to two sides of the back face of the second shell (62), the inserting plates (63) are all clamped in the inserting grooves (610) on the same side.

4. A bellows expansion joint according to claim 3, wherein: a plurality of second bolts (68) are inserted into the upper end and the lower end of the second support plate (67), the number of the second bolts (68) arranged on the second support plate (67) is the same as that of screw holes (66) formed in the first support plate (64) on the same side, the second bolts (68) penetrate through the second support plate (67) and are in threaded connection with the corresponding screw holes (66).

5. A bellows expansion joint according to claim 3, wherein: the equal fixedly connected with rubber strip (69) of lower extreme on the front of second shell (62), one side that second shell (62) middle part was kept away from in rubber strip (69) is supported on homonymy solid fixed ring (3).

6. A bellows expansion joint according to claim 1, wherein: the connecting mechanisms (8) respectively comprise a first flange (81) and a second flange (82), one sides, close to each other, of the first flange (81) and the second flange (82) on the same side are abutted together, a plurality of clamping sleeves (84) are clamped between the first flange (81) and the second flange (82) on the same side, the clamping sleeves (84) are both in a concave structure, third bolts (85) are inserted into the clamping sleeves (84), the third bolts (85) penetrate through the side walls of the clamping sleeves (84) and are both in threaded connection with the first flange (81) and the second flange (82) on the same side, and one side, far away from the first flange (81) on the same side, of the second flange (82) is fixedly connected with a connecting pipe (83); the size of the first flange (81) is the same as that of the second flange (82) on the same side, and one side of the first flange (81) close to the expansion joint body (1) and one side of the second flange (82) far away from the expansion joint body (1) are both in contact with the inner side wall of the clamping sleeve (84) on the same side.