CN115789364A

CN115789364A - Hydraulic engineering pipeline connecting device

Info

Publication number: CN115789364A
Application number: CN202211182409.0A
Authority: CN
Inventors: 阿拉坦阿古拉
Original assignee: A Latanagula
Current assignee: A Latanagula
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-14

Abstract

The invention discloses a hydraulic engineering pipeline connecting device which comprises a connecting cylinder, wherein two fixing rings are fixedly sleeved on the outer wall of the connecting cylinder, two first adjusting screw rods are screwed on each fixing ring, a sealing sleeve is fixedly installed on one side of each fixing ring, a first clamping ring is arranged in each sealing sleeve, one end of each first adjusting screw rod is rotatably connected with the corresponding side wall of the first clamping ring, a plurality of groups of first dovetail grooves are uniformly arranged on the outer wall of the connecting cylinder, the device is provided with the first clamping rings and the second clamping rings, and a cylindrical sealing rubber gasket is clamped in the middle.

Description

Hydraulic engineering pipeline connecting device

Technical Field

The invention relates to the field of hydraulic engineering, in particular to a hydraulic engineering pipeline connecting device.

Background

In the process of creating civilization by human beings, the development of technology and science plays the most important role, and is naturally an important component in the history of human civilization. The human being builds up the water conservancy project is a great science, the civilization, the brilliance and the population of China are numerous, so that the water conservancy irrigation and river defense dredging which serve as the first work from ancient farmers are not available. Agriculture has a decisive significance in national economic development, while water conservancy is the life line of agriculture. Over thousands of years of civilized history in China, the Chinese people who are hardworking, brave and intelligent and the rivers, lakes and seas have performed great struggle, countless large and small water conservancy projects are built, and agricultural production is promoted powerfully. At the same time, the hydrological knowledge is correspondingly developed.

When the pipeline is connected, often use the pipe connection head, when the installation pipe connection head, sealed the pad is the important spare part that often uses, and annular sealed pad is placed between two ring flanges, plays sealed effect, but current sealed pad is when changing, and is comparatively inconvenient, need dismantle the pipe connection head get off, and current sealed pad need be tailor to suitable size simultaneously and just can install, and too big or undersize all can influence sealed effect.

There is therefore a need for a pipe joint which can be replaced without the need to disassemble the integral pipe joint and which does not require cutting.

Disclosure of Invention

In order to solve the existing problems, the invention provides a hydraulic engineering pipeline connecting device.

The invention is realized by the following technical scheme:

a hydraulic engineering pipeline connecting device comprises a connecting cylinder, wherein two fixing rings are fixedly sleeved on the outer wall of the connecting cylinder, two first adjusting screw rods are screwed on each fixing ring, a sealing sleeve is fixedly installed on one side of each fixing ring, a first clamping ring is arranged in each sealing sleeve, one end of each first adjusting screw rod is rotatably connected with the corresponding side wall of the first clamping ring, a plurality of groups of first dovetail grooves are uniformly arranged on the outer wall of the connecting cylinder, each group of the first dovetail grooves is provided with two corresponding first dovetail grooves, a first dovetail block is slidably connected in each first dovetail groove, the top end of each first dovetail block is fixedly connected with the inner ring wall of the corresponding first clamping ring, a sealing rubber pad is fixedly installed in each first clamping ring and is in a cylindrical shape, one end of each sealing rubber pad extends into one end of the connecting cylinder, two fixed blocks are symmetrically and fixedly arranged on the inner wall of the connecting cylinder, spring cylinders are fixedly arranged on two sides of each fixed block, a sliding block is connected in each spring cylinder in a sliding manner, a spring is arranged in each spring cylinder, one end of each spring is fixedly connected with the inner wall of one side of the corresponding spring cylinder, the other end of each spring is fixedly connected with one side of the corresponding sliding block, a sliding rod is fixedly connected with one side of each sliding block, each spring is sleeved on the corresponding sliding rod, one end of each sliding rod penetrates out of the corresponding spring cylinder and is connected with the corresponding sliding rod in a sliding manner, a second clamping ring is fixedly connected between the two moving rods positioned on the same side, one end of each sealing rubber pad is fixedly connected with the corresponding second clamping ring, and a sealing ring is connected in each sealing cylinder in a sliding manner, one side of each sealing ring is rotatably connected with two second adjusting screw rods, one end of each second adjusting screw rod penetrates out of the sealing sleeve and is in threaded connection with the side wall of the sealing sleeve, the outer wall of the connecting cylinder and the inner wall of the sealing sleeve are fixedly sleeved with two connecting rings, the two connecting rings positioned on the same side are correspondingly arranged, the sealing rubber gasket penetrates between the two corresponding connecting rings and is attached to the two corresponding connecting rings, a fixed cylinder is fixedly connected between the two fixed blocks, second dovetail grooves are symmetrically arranged on the outer wall of the fixed cylinder, two second dovetail blocks are respectively and slidably connected in each second dovetail groove, the top end of each second dovetail block is fixedly connected with a connecting rod, one end of each connecting rod is respectively and fixedly connected with the inner ring wall of the corresponding second clamping ring, a plurality of arc-shaped grooves are uniformly arranged on the inner walls of the two port parts of the connecting cylinder in an annular manner, and a T-shaped hole is fixedly arranged on the inner arc wall of each arc-shaped groove, each T-shaped hole is inserted with a positioning rod in sliding connection, each positioning rod is sleeved with a reset spring, each arc-shaped groove is connected with an arc-shaped sealing block in a sliding way, the inner arc wall of each arc-shaped sealing block is provided with a plurality of hinge grooves, each hinge groove is hinged with a first hinge rod through a hinge pin, the inner wall of one side of each arc-shaped sealing block is uniformly provided with a plurality of third dovetail grooves, each third dovetail groove is connected with a third dovetail block in a sliding way, one side of each third dovetail block is fixedly connected with an ejector rod, the outer wall of one side of each ejector rod is respectively attached to one side of the corresponding first hinge rod, a compression spring is arranged in each third dovetail groove, one end of each compression spring is fixedly connected with the inner wall of one side of the corresponding third dovetail groove, and the other end of each compression spring is fixedly connected with one side of the corresponding third dovetail block, two connecting rings are fixedly inserted into the inner wall of the connecting cylinder, each connecting ring is arranged on one side of the corresponding arc-shaped sealing blocks, a fifth dovetail groove is fixedly arranged on the side wall of each connecting ring, a fifth dovetail block is connected into each fifth dovetail groove in a sliding manner, one side of each fifth dovetail block is fixedly connected with the corresponding arc-shaped sealing block side wall, the cross section of each arc-shaped sealing block is L-shaped, a movable groove is arranged on the inner wall of each arc-shaped groove, a fourth dovetail groove is arranged on the inner wall of one side of each movable groove, two fourth dovetail blocks are connected into each fourth dovetail groove in a sliding manner, one end of each fourth dovetail block is fixedly connected with a first hinging block, a threaded rod is screwed on each first hinging block, the two threaded rods in the same movable groove are opposite in thread direction, and are fixedly connected with the two threaded rods in the same movable groove, each first hinging block is hinged with a second hinging rod through a hinging pin, the outer arc wall of each arc-shaped sealing block is fixedly provided with a second hinging block, two second hinging rods positioned in the movable grooves are hinged with the corresponding second hinging blocks through hinging pins, one end of one threaded rod positioned in the same movable groove is fixedly connected with a rotating rod, a plurality of mounting grooves are arranged on the connecting cylinder and divided into two groups, each group of mounting grooves is four, each group of four mounting grooves are annularly arranged on the connecting cylinder respectively, each mounting groove is in a T shape, each mounting groove is internally provided with a first synchronizing wheel, one end of each rotating rod respectively extends into the corresponding mounting groove and is fixedly connected with the center of the side wall of the corresponding first synchronizing wheel, the outer wall of the connecting cylinder is fixedly provided with a plurality of fixing frames, every mount all sets up in corresponding mounting groove one side, equal swivelling joint has the bull stick on every mount, the equal fixedly connected with second synchronizing wheel of one end of every bull stick, be connected with the hold-in range jointly between corresponding second synchronizing wheel and the first synchronizing wheel, corresponding second synchronizing wheel passes through the hold-in range belt with first synchronizing wheel and is connected, the one side of every second synchronizing wheel all laminates and is provided with the locking frame, every locking frame is all fixed on the outer wall of connecting cylinder.

Preferably, fixed mounting has two spacing rings on the bull stick, and the bull stick is whole to be T type form, and two spacing rings set up with the both sides laminating of mount respectively, and the locking frame is whole to be L type form, and the spiro union has the locking bolt on the locking frame.

Preferably, fixed mounting has two sets of dogs on the rotary rod, and wherein a set of dog sets up with the laminating of one side inner wall in activity groove, and another group's dog sets up with the laminating of one side inner wall in mounting groove.

Preferably, a plurality of shafts are fixedly embedded in the side wall of the sealing ring, and one end of each second adjusting screw rod extends into the inner ring wall of the corresponding bearing and is rotatably connected with the inner ring wall.

Preferably, a plurality of bearings are fixedly embedded in one side of the first clamping ring, and one end of each first clamping ring extends into the inner ring wall of the corresponding bearing and is connected with the inner ring wall in a rotating mode.

Preferably, one side of the sealing sleeve is provided with a slot, one side of the fixing ring is fixedly connected with an inserting ring, the inserting ring is inserted into the slot and is connected with the slot in a sliding manner, the outer wall of the sealing sleeve is connected with a plurality of bolts in a screwed manner, and the sealing sleeve is fixedly connected with the fixing ring through the bolts.

Compared with the prior art, the invention has the beneficial effects that: the device is provided with first clamp ring and second clamp ring, with the sealing rubber pad centre gripping of tube-shape in the centre, utilizes like this to remove sealing rubber pad to make the sealing rubber pad make full use of tube-shape, and need not to dismantle the device is whole, easy operation is convenient, is provided with first hinge bar isotructure simultaneously, avoids the even problem of gluing that causes for a long time extrusion in-process, need not like this to tailor rational utilization resource to sealing rubber pad.

Drawings

FIG. 1 is a schematic representation of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;

FIG. 4 is a left side view of the connector barrel of FIG. 1 in accordance with the present invention;

fig. 5 is a schematic diagram illustrating the replacement of the sealing rubber gasket in the structure of fig. 1.

In the figure: the connecting cylinder 1, the fixing ring 2, the first adjusting screw 3, the first clamping ring 4, the first dovetail groove 5, the first dovetail block 6, the sealing rubber gasket 7, the sealing sleeve 8, the second adjusting screw 9, the sealing ring 10, the connecting ring 11, the fixing block 12, the spring cylinder 13, the slider 14, the spring 15, the sliding rod 16, the connecting rod 17, the second clamping ring 18, the second dovetail groove 19, the second dovetail block 20, the arc-shaped groove 21, the T-shaped hole 22, the positioning rod 23, the return spring 24, the arc-shaped sealing block 25, the hinge groove 26, the first hinge rod 27, the third dovetail groove 28, the third dovetail block 29, the compression spring 30, the ejector rod 31, the movable groove 32, the fourth dovetail groove 33, the fourth dovetail block 34, the first dovetail block 35, the hinge rod 36, the second hinge rod 37, the second hinge block 38, the rotating rod 39, the mounting groove 40, the first synchronizing wheel 41, the fixing frame 42, the rotating rod 43, the second synchronizing wheel 44, the synchronizing wheel 45, the dovetail groove 46, the connecting ring 47, the fifth dovetail block 48, the fifth dovetail block 49 and the fifth cylinder 50.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3, 4 and 5, a hydraulic engineering pipeline connecting device comprises a connecting cylinder 1, two fixing rings 2 are fixedly sleeved on the outer wall of the connecting cylinder 1, two first adjusting screws 3 are screwed on each fixing ring 2, a sealing sleeve 8 is fixedly mounted on one side of each fixing ring 2, a first clamping ring 4 is arranged in each sealing sleeve 8, one end of each first adjusting screw 3 is rotatably connected with the corresponding side wall of the first clamping ring 4, a plurality of groups of first dovetail grooves 5 are uniformly arranged on the outer wall of the connecting cylinder 1, two first dovetail grooves 5 in each group are correspondingly arranged, a first dovetail block 6 is slidably connected in each first dovetail groove 5, the top end of each first dovetail block 6 is fixedly connected with the inner annular wall of the corresponding first clamping ring 4, a sealing rubber gasket 7 is fixedly mounted in each first clamping ring 4, the sealing rubber pads 7 are cylindrical, one end of each sealing rubber pad 7 extends into one end of the connecting cylinder 1, two fixing blocks 12 are symmetrically and fixedly installed on the inner wall of the connecting cylinder 1, two sides of each fixing block 12 are fixedly installed with spring cylinders 13, a sliding block 14 is slidably connected in each spring cylinder 13, a spring 15 is arranged in each spring cylinder 13, one end of each spring 15 is fixedly connected with the inner wall of one side of the corresponding spring cylinder 13, the other end of each spring 15 is fixedly connected with one side of the corresponding sliding block 14, one side of each sliding block 14 is fixedly connected with a sliding rod 16, each spring 15 is sleeved on the corresponding sliding rod 16, one end of each sliding rod 16 penetrates out of the corresponding spring cylinder 13 and is slidably connected with the same, a second clamping ring 18 is fixedly connected between the two moving rods 16 positioned on the same side, one end of each sealing rubber pad 7 is fixedly connected with a corresponding second clamping ring 18, a sealing ring 10 is slidably connected in each sealing sleeve 8, one side of each sealing ring 10 is rotatably connected with two second adjusting screw rods 9, one end of each second adjusting screw rod 9 penetrates out of the sealing sleeve 8 and is in threaded connection with the side wall of the sealing sleeve, two connecting rings 11 are fixedly sleeved on the outer wall of the connecting cylinder 1 and the inner wall of the sealing sleeve 8, the two connecting rings 11 positioned on the same side are correspondingly arranged, the sealing rubber pads 7 penetrate through the two corresponding connecting rings 11 and are attached to the corresponding connecting rings, a fixed cylinder 50 is fixedly connected between the two fixed blocks 12, second dovetail grooves 19 are symmetrically arranged on the outer wall of the fixed cylinder 50, two second dovetail blocks 20 are slidably connected in each second dovetail groove 19, and a connecting rod 17 is fixedly connected at the top end of each second dovetail block 20, one end of each connecting rod 17 is fixedly connected with the inner annular wall of the corresponding second clamping ring 18, a plurality of arc-shaped grooves 21 are uniformly and annularly arranged on the inner wall at two ports of the connecting cylinder 1, a T-shaped hole 22 is fixedly arranged on the inner arc wall of each arc-shaped groove 21, a positioning rod 23 in sliding connection is inserted into each T-shaped hole 22, a reset spring 24 is sleeved on each positioning rod 23, an arc-shaped sealing block 25 is slidably connected into each arc-shaped groove 21, a plurality of hinge grooves 26 are arranged on the inner arc wall of each arc-shaped sealing block 25, a first hinge rod 27 is hinged into each hinge groove 26 through a hinge pin, a plurality of third dovetail grooves 28 are uniformly arranged on the inner wall at one side of each arc-shaped sealing block 25, a third dovetail block 29 is slidably connected into each third dovetail groove 28, and an ejector rod 31 is fixedly connected to one side of each third dovetail block 29, the outer wall of one side of each ejector rod 31 is respectively attached to one side of a corresponding first hinge rod 27, a compression spring 30 is arranged in each third dovetail groove 28, one end of each compression spring 30 is fixedly connected with the inner wall of one side of the corresponding third dovetail groove 28, the other end of each compression spring 30 is fixedly connected with one side of a corresponding third dovetail block 29, two connecting rings 47 are fixedly inserted into the inner wall of the connecting cylinder 1, each connecting ring 47 is arranged on one side of a plurality of corresponding arc-shaped sealing blocks 25, a fifth dovetail groove 49 is fixedly arranged on the side wall of each fifth dovetail groove 47, a fifth dovetail block 48 is slidably connected into each fifth dovetail groove 49, one side of each fifth dovetail block 48 is fixedly connected with the side wall of the corresponding arc-shaped hinge block 25, the cross section of each arc-shaped sealing block 25 is L-shaped, a movable groove 32 is arranged on the inner wall of each arc-shaped groove 21, a fourth dovetail block 33 is arranged on the inner wall of one side of each movable groove 32, two fourth dovetail blocks 34 are slidably connected into each fourth dovetail groove 33, a movable rod 34 is arranged on the inner wall of each arc-shaped hinge block, a movable groove 36 is fixedly connected with a movable pin 36, two movable pins 36 are arranged on the inner wall of each movable groove 36 of each movable groove 32, two movable pin blocks 35, two movable pin blocks 36 are arranged on the inner wall of each movable pin block 35, the same movable pin block 35, two movable pin blocks 32 are arranged on the same movable pin block 35, two movable pin block 32 are arranged on the inner wall of the second dovetail block 35, the movable pin 36 is arranged on the same fixed pin 36, the second dovetail block 32 is arranged on the fixed pin 36, the second dovetail block 32, the second movable pin 36, the movable pin 36 is arranged on the second dovetail block, the second dovetail block 32 is arranged on the same fixed pin 36, the second dovetail block 35, be provided with a plurality of mounting grooves 40 on the connecting cylinder 1, a plurality of mounting grooves 40 divide into two sets ofly, and every group mounting groove 40 is four, and every four mounting grooves 40 of group are the annular respectively on connecting cylinder 1, and every mounting groove 40 is the T type form, all is provided with first synchronizing wheel 41 in every mounting groove 40, and the one end of every rotary rod 39 stretches into respectively corresponding mounting groove 40 and with corresponding first synchronizing wheel 41 lateral wall central authorities fixed connection, fixed mounting has a plurality of mounts 42 on the outer wall of connecting cylinder 1, and every mount 42 all sets up in corresponding mounting groove 40 one side, and equal swivelling joint has the bull stick 43 on every mount 42, and the equal fixedly connected with second synchronizing wheel 44 of one end of every bull stick 43, is connected with hold-in range 45 between corresponding second synchronizing wheel 44 and the first synchronizing wheel 41 jointly, and corresponding second synchronizing wheel 44 passes through hold-in range 45 belt with first synchronizing wheel 41 and is connected, and the one side of every second synchronizing wheel 44 all laminates and is provided with locking frame 46, and every locking frame 46 all fixes on the outer wall of connecting cylinder 1.

Two limiting rings are fixedly mounted on the rotating rod 43, the rotating rod 43 is integrally T-shaped, the two limiting rings are respectively attached to two sides of the fixing frame 42, the locking frame 46 is integrally L-shaped, and a locking bolt is screwed on the locking frame 46.

Two sets of stoppers are fixedly mounted on the rotating rod 39, one set of stoppers is attached to the inner wall of one side of the movable groove 32, and the other set of stoppers is attached to the inner wall of one side of the mounting groove 40.

A plurality of shafts are fixedly embedded in the side wall of the sealing ring 10, and one end of each second adjusting screw 9 extends into the inner ring wall of the corresponding bearing and is connected with the inner ring wall in a rotating mode.

One side of the first clamping ring 4 is fixedly embedded with a plurality of bearings, and one end of each first clamping ring 4 extends into the inner ring wall of the corresponding bearing and is rotationally connected with the inner ring wall.

One side of seal sleeve 8 is provided with the slot, and one side fixedly connected with of solid fixed ring 2 inserts the ring, insert the ring insert in the slot and rather than sliding connection, and the spiro union has a plurality of bolts on seal sleeve 8's the outer wall, seal sleeve 8 passes through bolt and solid fixed ring 2 fixed connection.

The working principle is as follows: when the device is used, the device is placed in a working area and then is installed, the two sealing sleeves 8 are respectively sleeved on the two corresponding pipelines, the connecting cylinder 1 is inserted into the two sealing sleeves 8, the inserting ring and the inserting groove are locked through rotating bolts on the sealing sleeves 8, sliding cannot occur, the device can be installed, in the installation process, one end of each pipeline extends into the plurality of corresponding arc-shaped sealing blocks 25 located on the same side, referring to the attached drawing 4, the plurality of arc-shaped sealing blocks 25 form a complete circle, the device is well attached to the pipelines to avoid leakage, meanwhile, the sealing rubber pads 7 are also arranged between the two sealing rubber blocks 7, normal operation is guaranteed through the sealing rubber pads 7, the arc-shaped sealing blocks 25 are supported by the two second hinge rods 37 in each movable groove 32, after the sealing rubber pad 7 at the current position is used for a period of time, as the sealing rubber pad 7 at the current position is squeezed for a long time, the sealing effect is problematic, and the sealing rubber pad 7 at the current position needs to be replaced, referring to fig. 5, at this time, the second adjusting screw 9 is rotated first, so that the sealing ring 10 moves, and then the corresponding rotating rod 43 is rotated, so that the second synchronizing wheel 44 drives the first synchronizing wheel 41 to rotate through the synchronizing belt 45, so that the rotating rod 39 rotates, so that the two threaded rods 36 rotate, so that the two first hinge blocks 35 start to move towards two sides, so that the hinge angle between the two second hinge rods 37 is increased, so that the arc-shaped sealing block 25 can extend into the arc-shaped groove 21, and meanwhile, the plurality of first hinge rods 27 are arranged, under the elastic force of the compression spring 30, the ejector rod 31 is used to drive the first hinge rods 27 to move, such effect is for avoiding the 7 sticiss of sealing rubber pad of current position on arc seal piece 25, be provided with sealing ring 10 and go-between 11 simultaneously, can not cause the revealing of inside surplus liquid yet like this, rotatory first adjusting screw 3 this moment, make first clamp ring 4 can remove, after first clamp ring 4 removes, under spring 15's effect in spring barrel 13, sealing rubber pad 7 wholly removes, make sealing rubber pad 7 of another position enter into pipeline and arc seal piece 25 junction, thereby form new sealedly, thereby guarantee sealed effect, then reset each part and can use again, it is simple and convenient to change, need not to dismantle and tailor again.

The connecting cylinder 1, the fixing ring 2 and the sealing sleeve 8 are arranged, normal connection and use of the device are guaranteed, the first dovetail groove 5 and the first dovetail block 6 are arranged to guarantee normal movement of the first clamping ring 4, the second adjusting screw 9 is arranged to guarantee normal movement of the sealing ring 10, the connecting ring 11 is arranged to guarantee normal sliding of the sealing rubber gasket 7 while sealing effect is guaranteed, and the occurrence of the situations such as wrinkles is avoided, the T-shaped hole 22, the positioning rod 23 and the reset spring 24 are arranged to avoid the occurrence of the situations such as dislocation of the arc-shaped sealing block 25, the arc-shaped groove 21 is arranged to guarantee normal movement of the arc-shaped sealing block 25, the hinge groove 26 is arranged, the first hinge rod 27, the third dovetail groove 28, the third dovetail block 29, the compression spring 30 and the ejector rod 31 are arranged, the first hinge rod 27 can normally bounce is guaranteed, when working, the existence of a pipeline enables the first hinge rod 27 to reset, the hinge groove 32 is also arranged, the fourth dovetail groove 33, the fourth dovetail block 34, the first dovetail groove 35, the hinge rod 36, the hinge groove 37 and the second dovetail groove 36 are arranged to guarantee normal locking angle of the second dovetail groove 36, and the normal locking block 36 are arranged, and the normal locking angle of the second dovetail groove 36 is guaranteed, and the normal locking block 36 is arranged to guarantee normal locking angle of the normal locking block 48, and the normal locking groove 46.

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, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hydraulic engineering pipe connection device, includes connecting cylinder (1), its characterized in that: the connecting cylinder is characterized in that two fixing rings (2) are fixedly sleeved on the outer wall of the connecting cylinder (1), two first adjusting screws (3) are screwed on each fixing ring (2), a sealing sleeve (8) is fixedly mounted on one side of each fixing ring (2), two first clamping rings (4) are arranged in each sealing sleeve (8), one end of each first adjusting screw (3) is rotatably connected with the corresponding side wall of each first clamping ring (4), a plurality of groups of first dovetail grooves (5) are uniformly arranged on the outer wall of the connecting cylinder (1), two first clamping rings (5) in each group are arranged correspondingly, a first dovetail block (6) is slidably connected in each first dovetail groove (5), the top end of each first dovetail block (6) is fixedly connected with the inner ring wall of the corresponding first clamping ring (4), a sealing rubber gasket (7) is fixedly mounted in each first dovetail groove (7), one end of each sealing rubber gasket (7) extends into one end of the connecting cylinder (1), two sliding blocks (12) are symmetrically arranged on the inner wall of the connecting cylinder (1), and two sliding blocks (13) of each fixed spring cylinder (12) are symmetrically arranged on the inner wall of the connecting cylinder (1), a spring (15) is arranged in each spring cylinder (13), one end of each spring (15) is fixedly connected with the inner wall of one side of the corresponding spring cylinder (13), the other end of each spring (15) is fixedly connected with one side of the corresponding sliding block (14), one side of each sliding block (14) is fixedly connected with a sliding rod (16), each spring (15) is sleeved on the corresponding sliding rod (16), one end of each sliding rod (16) penetrates out of the corresponding spring cylinder (13) and is in sliding connection with the corresponding spring cylinder, a second clamping ring (18) is fixedly connected between the two moving rods (16) positioned on the same side, one end of each sealing rubber gasket (7) penetrates out of the sealing sleeve (8) and is fixedly connected with the corresponding second clamping ring (18), a sealing ring (10) is slidably connected in each sealing sleeve (8), one side of each sealing ring (10) is rotatably connected with two second adjusting screw rods (9), one end of each second adjusting screw rod (9) penetrates out of the sealing sleeve (8) and is fixedly connected with the side wall of the sealing sleeve, the outer wall of the connecting sleeve (1) is in threaded connection with the two fixing rings (11), two sealing rubber gaskets (11) which are fixedly connected with the connecting ring (11), two fixing rings (11) corresponding connecting rings (11), the outer wall of the fixed cylinder (50) is symmetrically provided with second dovetail grooves (19), two second dovetail blocks (20) are connected in each second dovetail groove (19) in a sliding manner, the top end of each second dovetail block (20) is fixedly connected with a connecting rod (17), one end of each connecting rod (17) is fixedly connected with the inner ring wall of a corresponding second clamping ring (18) respectively, a plurality of arc-shaped grooves (21) are uniformly and annularly arranged on the inner walls of two ports of the connecting cylinder (1), the inner ring wall of each arc-shaped groove (21) is fixedly provided with a T-shaped hole (22), a positioning rod (23) in sliding connection is inserted into each T-shaped hole (22), each positioning rod (23) is sleeved with a reset spring (24), an arc-shaped hinge block (25) is connected in each arc-shaped groove (21) in a sliding manner, a plurality of hinge grooves (26) are arranged on the inner ring wall of each arc-shaped seal block (25), a plurality of hinge grooves (26) are respectively arranged on the inner ring wall of each arc-shaped seal block (25), one side of each third dovetail groove (29) is uniformly hinged with a third ejector rod (31), one side of a third dovetail groove (29) is connected with a third ejector rod (31), each third dovetail groove (28) is internally provided with a compression spring (30), one end of each compression spring (30) is fixedly connected with the inner wall of one side of the corresponding third dovetail groove (28), the other end of each compression spring (30) is fixedly connected with one side of the corresponding third dovetail block (29), the inner wall of the connecting cylinder (1) is fixedly inserted with two connecting rings (47), each connecting ring (47) is arranged on one side of the corresponding arc-shaped sealing blocks (25), the side wall of each connecting ring (47) is fixedly provided with a fifth dovetail groove (49), each fifth dovetail groove (49) is internally and slidably connected with a fifth dovetail block (48), one side of each fifth dovetail block (48) is fixedly connected with the side wall of the corresponding arc-shaped sealing block (25), the cross section of each arc-shaped sealing block (25) is L-shaped, the inner wall of each arc-shaped groove (21) is provided with a movable groove (32), the inner wall of one side of each movable groove (32) is provided with a fourth dovetail groove (33), the inner wall of each fourth dovetail block (33) is fixedly connected with two movable threaded rods (34), each threaded rod (34) is fixedly connected with two screw threads (36), and each threaded rod (34) is positioned on the inner wall of each movable groove (36), two threaded rods (36) positioned in the same movable groove (32) are fixedly connected, a second hinge rod (37) is hinged to each first hinge block (35) through a hinge pin, a second hinge block (38) is fixedly installed on the outer arc wall of each arc-shaped sealing block (25), two second hinge rods (37) positioned in the movable groove (32) are hinged to the corresponding second hinge blocks (38) through hinge pins, one end of one of the threaded rods (36) positioned in the same movable groove (32) is fixedly connected with a rotating rod (39), a plurality of mounting grooves (40) are formed in the connecting cylinder (1), the mounting grooves (40) are divided into two groups, each group of four mounting grooves (40) are four, each group of four mounting grooves (40) are annularly arranged on the connecting cylinder (1), each mounting groove (40) is in a T-shaped form, a first synchronous wheel (41) is arranged in each mounting groove (40), one end of each rotating rod (39) extends into the corresponding mounting groove (40) and is fixedly connected with the corresponding first synchronous wheel (41), one end of each fixing frame (42) is fixedly connected with the corresponding fixing frame (42), one side wall of the fixing frame (42) is fixedly connected with the corresponding rotating rod (42), and the fixing frame (43) is arranged on the outer wall of the fixing frame (40), a synchronous belt (45) is connected between the corresponding second synchronous wheel (44) and the first synchronous wheel (41) together, the corresponding second synchronous wheel (44) is connected with the first synchronous wheel (41) through a belt of the synchronous belt (45), a locking frame (46) is attached to one side of each second synchronous wheel (44), and each locking frame (46) is fixed on the outer wall of the connecting cylinder (1).

2. A hydraulic engineering pipe connection according to claim 1, characterized in that: fixed mounting has two spacing rings on bull stick (43), and bull stick (43) wholly is T type form, and two spacing rings set up with the both sides laminating of mount (42) respectively, and locking frame (46) wholly is L type form, and lock bolt has been gone up the spiro union in locking frame (46).

3. A hydraulic engineering pipe connection according to claim 1, characterized in that: and two groups of check blocks are fixedly mounted on the rotating rod (39), one group of check blocks is attached to the inner wall of one side of the movable groove (32), and the other group of check blocks is attached to the inner wall of one side of the mounting groove (40).

4. A hydraulic engineering pipe connection according to claim 1, characterized in that: a plurality of shafts are fixedly embedded in the side wall of the sealing ring (10), and one end of each second adjusting screw rod (9) extends into the inner ring wall of the corresponding bearing and is in rotary connection with the inner ring wall.

5. A hydraulic engineering pipe connection according to claim 1, characterized in that: a plurality of bearings are fixedly embedded in one side of each first clamping ring (4), and one end of each first clamping ring (4) extends into the inner ring wall of the corresponding bearing and is in rotary connection with the inner ring wall.

6. The hydraulic engineering pipe connection device of claim 1, characterized in that: one side of sealing sleeve (8) is provided with the slot, and one side fixedly connected with of solid fixed ring (2) inserts the ring, inserts in the ring inserts the slot and rather than sliding connection, and the spiro union has a plurality of bolts on the outer wall of sealing sleeve (8), and sealing sleeve (8) pass through bolt and solid fixed ring (2) fixed connection.