CN214579114U

CN214579114U - Pressure relief device for long-distance water delivery pipeline

Info

Publication number: CN214579114U
Application number: CN202120552253.5U
Authority: CN
Inventors: 刘俊; 任鹏; 赵炳伟
Original assignee: Hulunbuir Honghuaerji Hydropower Co ltd
Current assignee: Hulunbuir Honghuaerji Hydropower Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-02
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a long distance conduit pressure relief device. Long distance conduit pressure relief device includes: a pressure relief mechanism and an installation tube; pressure release mechanism locates on the installation pipe, pressure release mechanism includes the dysmorphism board, dysmorphism board fixed mounting be in the installation pipe, the bell mouth has been seted up on the dysmorphism board, slidable mounting has the toper piece in the bell mouth, fixed mounting has the sleeve pipe on the top inner wall of installation pipe, the top fixed mounting of toper piece has the slide bar, the slide bar extend to in the sleeve pipe and with sleeve pipe sliding connection. The utility model provides a long distance conduit pressure relief device has realized when water pressure is too high through setting up pressure release mechanism, and automatic pressure release prevents that water pressure is too high to cause the damage to equipment, has avoided equipment to take place to damage, has saved the manpower, has avoided the wasting of resources, and can adjust the pressure release condition as required to the application range of this device has been increaseed.

Description

Pressure relief device for long-distance water delivery pipeline

Technical Field

The utility model relates to the technical field of pipeline, especially, relate to a long distance water pipeline pressure relief device.

Background

Hydroelectric power plant often has various long distance water pipes, because pipeline delivery journey is long, the elevation change is big, water pressure in the pipeline is generally great, in case take place the water hammer, the consequence is very serious, consequently need carry out pressure buffering, for guaranteeing that water pressure keeps within the suitable scope, common method is the device of the artifical pressure release of installation every day, when patrolling and examining, when discovering pressure and progressively increasing because of various reasons, need artificial going to give the pipeline pressure release, a large amount of manpower resources have been occupied, and manual pipeline pressure release, the size of pressure release is accurate inadequately, lead to the waste of resource.

Therefore, the water hammer problem is solved, and the method has important significance for ensuring the safe reliability of water delivery engineering and reducing the cost of pipeline engineering, and is also a popular problem researched in recent years.

Disclosure of Invention

The utility model provides a technical problem provide a structure is very simple, can solve the automatic pressure relief device of long distance conduit water hammer problem.

Long distance conduit pressure relief device includes: a pressure relief mechanism and an installation tube; pressure release mechanism locates on the installation pipe, pressure release mechanism includes the sketch plate, sketch plate fixed mounting is in the installation pipe, the bell mouth has been seted up on the sketch plate, slidable mounting has the toper piece in the bell mouth, fixed mounting has the sleeve pipe on the top inner wall of installation pipe, the top fixed mounting of toper piece has the slide bar, the slide bar extends to in the cover pipe and with sleeve pipe sliding connection, the intraductal clamp plate and the spring that is equipped with of cover, the clamp plate with sleeve pipe sliding connection, the both ends of spring respectively with the clamp plate with the slide bar contacts, screw thread installation lead screw on the installation pipe, the lead screw extends to in the cover pipe and with the clamp plate rotates to be connected.

The fixed cover is equipped with two annular lagging on the installation pipe, a plurality of mounting holes have been seted up on the annular lagging the top fixed mounting of installation pipe has two manometers, two the manometer is used for detecting water pressure in the installation pipe. The top fixed mounting of lead screw has the handle, the handle is used for rotating the lead screw.

The taper block is fixedly sleeved with a sealing sleeve, the sealing sleeve is in contact with the inner wall of the taper hole, a sealing ring is fixedly mounted in the sleeve, and the sealing ring is in contact with the sliding rod.

Compared with the prior art, the utility model provides a long distance conduit pressure relief device has following beneficial effect:

(1) the device has the advantages of simple structure, low manufacturing cost and remarkable use effect, and compared with the existing pressure relief device, the cost is reduced by 60 percent, and the cost performance is higher.

(2) Through setting up pressure release mechanism, realized when water pressure is too high, automatic pressure release, because the too high damage that causes equipment of water pressure when preventing that the water hammer from taking place has avoided equipment to take place to damage, has saved the manpower, has avoided the wasting of resources, and can adjust the pressure release condition as required to the application range of this device has been increaseed.

(3) Through setting up annular lagging and a plurality of mounting hole, make things convenient for this device to be connected with conduit and drainage pipe to be favorable to the use of this device.

(5) Through setting up the sealing washer for rivers have prevented that rivers from leaking in can't getting into the sleeve, guarantee roof pressure wherein, thereby make this device more reliable.

Drawings

Fig. 1 is a schematic front view of a pressure relief device for a long-distance water pipeline provided by the present invention;

fig. 2 is a schematic front sectional view of a pressure relief device for a long-distance water pipeline provided by the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is the schematic structural diagram of the special-shaped plate in the long-distance water pipe pressure relief device provided by the utility model.

Reference numbers in the figures: 1. the special-shaped plate comprises a mounting pipe, 2, a special-shaped plate, 3, a tapered hole, 4, a tapered block, 5, a sleeve, 6, a sliding rod, 7, a pressing plate, 8, a spring, 9, a screw rod, 10, an arc-shaped sleeve plate, 11, a mounting hole, 12, a pressure gauge, 13, a handle, 14, a sealing sleeve, 15 and a sealing ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, wherein fig. 1 is a schematic front view of a pressure relief device for a long distance water pipeline according to the present invention; fig. 2 is a schematic front sectional view of a pressure relief device for a long-distance water pipeline provided by the present invention; FIG. 3 is an enlarged view of portion A of FIG. 2; fig. 4 is the utility model provides a structural schematic of dysmorphism board among the long distance water pipeline pressure relief device the utility model discloses an in the embodiment, long distance water pipeline pressure relief device includes: a pressure relief mechanism and an installation tube 1; pressure release mechanism locates installation pipe 1 is last, pressure release mechanism includes

dysmorphism board

2, 2 fixed mounting of dysmorphism board are in the installation pipe 1, bell mouth 3 has been seted up on the dysmorphism board 2, slidable mounting has conical block 4 in the bell mouth 3, fixed mounting has sleeve pipe 5 on the top inner wall of installation pipe 1, the top fixed mounting of conical block 4 has slide bar 6, slide bar 6 extends to in the sleeve pipe 5 and with 5 sliding connection of sleeve pipe, be equipped with clamp plate 7 and spring 8 in the sleeve pipe 5, clamp plate 7 with 5 sliding connection of sleeve pipe, spring 8's both ends respectively with clamp plate 7 with slide bar 6 contacts, screw thread installation lead screw 9 is gone up to installation pipe 1, lead screw 9 extend to in the sleeve pipe 5 and with clamp plate 7 rotates the connection.

Through setting up pressure release mechanism, realized when water pressure is too high, automatic pressure release prevents that water pressure is too high to cause the damage to equipment, has avoided equipment to take place to damage, has saved the manpower, has avoided the wasting of resources, and can adjust the pressure release condition as required to the application range of this device has been increaseed.

The mounting tube 1 is fixedly sleeved with two annular sleeve plates 10, and a plurality of mounting holes 11 are formed in the annular sleeve plates 10.

By arranging the annular sleeve plate 10 and the plurality of mounting holes 11, the device is conveniently connected with a water pipeline and a drainage pipeline, so that the device is favorably used.

The top fixed mounting of installation pipe 1 has two manometer 12, two the manometer is used for detecting the water pressure in the installation pipe 1.

The top end of the screw rod 9 is fixedly provided with a handle 13, and the handle 13 is used for rotating the screw rod 9.

Through setting up handle 13, conveniently directly rotate lead screw 9, avoid use tools, convenient to use.

The conical block 4 is fixedly sleeved with a sealing sleeve 14, and the sealing sleeve 14 is in contact with the inner wall of the conical hole 3.

By arranging the sealing sleeve 14, the sealing performance of the connection between the conical block 4 and the special-shaped plate 2 is ensured, so that the water flow isolation effect is ensured.

And a sealing ring 15 is fixedly arranged in the sleeve 5, and the sealing ring 15 is contacted with the sliding rod 6.

Through setting up sealing washer 15 for rivers have prevented rivers leakage in can't getting into sleeve pipe 5, thereby make this device more reliable.

The utility model provides a long distance conduit pressure relief device's theory of operation as follows:

when the water pressure is recovered to a normal value, the slide rod 6 moves downwards under the action of the elasticity of the spring 8, the slide rod drives the conical block 4 to move downwards, and finally moves into the conical groove 3 to block the conical groove 3, so that the water flow can not pass through and is automatically closed;

when the pressure relief condition needs to be adjusted, the handle 13 is rotated, the handle 13 drives the screw rod 9 to rotate, the screw rod 9 drives the pressing plate 7 to move downwards, the spring 8 is stressed to contract, the spring 8 applies downward pressure to the sliding rod 6, the sliding rod 6 applies downward pressure to the conical block 4, the conical block 4 can move upwards only by the aid of larger water pressure, and accordingly the pressure relief condition is adjusted.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A long distance water pipe pressure relief device, its constitution includes: a pressure relief mechanism and an installation tube; the pressure relief mechanism is fixed on the installation pipe, and is characterized in that: pressure release mechanism includes the dysmorphism board, dysmorphism board fixed mounting is in the installation, the bell mouth has been seted up on the dysmorphism board, slidable mounting has the bell piece in the bell mouth, fixed mounting has the sleeve pipe on the top inner wall of installation pipe, the top fixed mounting of bell piece has the slide bar, the slide bar extends to in the cover and with sleeve pipe sliding connection, the intraductal clamp plate and the spring that is equipped with of cover, the clamp plate with sleeve pipe sliding connection, the both ends of spring respectively with the clamp plate with the slide bar contacts, screw thread installation lead screw on the installation pipe, the lead screw extends to in the cover and with the clamp plate rotates to be connected.

2. The long-distance water pipeline pressure relief device as claimed in claim 1, wherein the mounting tube is fixedly sleeved with two annular sleeve plates, the annular sleeve plates are provided with a plurality of mounting holes, the top of the mounting tube is fixedly provided with two pressure gauges, the two pressure gauges pass through the wall of the mounting tube, the top end of the screw rod is fixedly provided with a handle, the conical block is fixedly sleeved with a sealing sleeve, and the sealing sleeve is in contact with the inner wall of the conical hole.

3. The long-distance water pipeline pressure relief device as claimed in claim 1 or 2, wherein: and a sealing ring is fixedly arranged in the sleeve and is in contact with the sliding rod.