CN212718653U - Water hammer protection device suitable for long-distance water delivery system - Google Patents
Water hammer protection device suitable for long-distance water delivery system Download PDFInfo
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- CN212718653U CN212718653U CN202021492594.XU CN202021492594U CN212718653U CN 212718653 U CN212718653 U CN 212718653U CN 202021492594 U CN202021492594 U CN 202021492594U CN 212718653 U CN212718653 U CN 212718653U
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Abstract
The utility model relates to a water hammer protection technical field just discloses a be suitable for long distance water delivery system's water hammer protector, including stainless steel casing and the end cover of fixed connection in the stainless steel casing upper end, stainless steel casing's lower extreme outer wall fixedly connected with flange, the lower extreme fixedly connected with annular connecting block of end cover, the external screw thread has all been seted up to the inside and outside both sides of annular connecting block, the annular spread groove with annular connecting block accordant connection is seted up to stainless steel casing's upper end, the internal thread with external screw thread accordant connection is seted up to the inside wall of annular spread groove, the upper end fixed insertion of end cover is equipped with inflation valve and barometer, the piston has been cup jointed in the stainless steel casing to the activity of still sealing, the fixed spacing retaining ring that has cup jointed to be located the piston. The utility model provides the high ability of water-resistant impact has improved the wholeness ability.
Description
Technical Field
The utility model relates to a water hammer protection technical field especially relates to a be suitable for long distance water delivery system's water hammer protector.
Background
In long-distance water delivery engineering, because the water delivery distance is long and the topographic relief is large, water in the water delivery pipeline is changed in a multi-flow state due to gas, and the water flow in the water delivery pipeline is changed rapidly when a pump is started, stopped or a valve is opened or closed, so that the pressure in the water delivery pipeline is suddenly and violently increased or reduced, and then a water hammer is formed. The water hammer is an important factor influencing the safety of long-distance pipeline water delivery engineering, such as transient positive pressure generated by the water hammer, which easily causes accidents of pipeline breakage, equipment damage, water delivery interruption and the like; transient negative pressure that the water hammer produced is too big then can be shriveled the pipeline, reduces pipeline flow area, reduces the water supply flow, increases the water supply energy consumption.
A common water hammer protection measure is a water hammer eliminator, but the existing water hammer eliminator only carries out elimination buffering on a water hammer through the air pressure in the existing water hammer eliminator, has certain buffering performance, and is likely to cause explosion damage of the water hammer eliminator when encountering a large-impact water hammer, so that the danger is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the water hammer safeguard measure among the prior art and being water hammer annihilator, nevertheless present water hammer annihilator only carries out the elimination buffering to the water hammer through its inside atmospheric pressure, and shock-absorbing capacity is certain, causes the explosion damage of water hammer annihilator probably when meetting the water hammer of great impact, dangerous great problem, and the water hammer protector who is suitable for long distance water delivery system who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water hammer protection device suitable for a long-distance water delivery system comprises a stainless steel shell and an end cover fixedly connected to the upper end of the stainless steel shell, wherein a flange is fixedly connected to the outer wall of the lower end of the stainless steel shell, an annular connecting block is fixedly connected to the lower end of the end cover, external threads are arranged on the inner side and the outer side of the annular connecting block, an annular connecting groove in matched connection with the annular connecting block is formed in the upper end of the stainless steel shell, internal threads in matched connection with the external threads are formed in the inner side wall of the annular connecting groove, an inflation valve and an air pressure gauge are fixedly inserted in the upper end of the end cover, a piston is movably sleeved in the stainless steel shell in a sealing mode, a limiting check ring located on the lower side of the piston is fixedly sleeved on the inner wall of the bottom of the stainless steel, the lower extreme of backup pad passes through the first fixed plate of bolt fixedly connected with, a plurality of buffer spring of downside fixedly connected with of first fixed plate, it is a plurality of the same second fixed plate of buffer spring's lower extreme fixedly connected with, the second fixed plate card cover is in the recess.
Preferably, the outer wall of end cover rotates through the pivot symmetry and is connected with many chucking poles, the draw-in groove has been seted up to the pole wall of chucking pole, the fixture block of a plurality of joints of outer wall fixedly connected with of stainless steel casing in the draw-in groove, the lower extreme of chucking pole has been seted up jack and jack internalization and has been inserted and be equipped with the location inserted bar, the location jack that corresponds the grafting with the location inserted bar is seted up to the lateral wall of fixture block, the lower extreme fixedly connected with pull plate that resets of location inserted bar, the same cover of the upper end of the pull plate that resets and the lower extreme fixedly connected with of chucking pole establishes the reset spring outside the location inserted bar.
Preferably, the inner wall of the bottom of the groove is symmetrically and fixedly connected with a plurality of limiting rods, and the surface of the second fixing plate is provided with a plurality of limiting holes connected with the limiting rod movable plug bushes.
Preferably, the height of the limiting rod is higher than that of the second fixing plate.
Preferably, the flange and the stainless steel shell are an integrated forming mechanism.
Compared with the prior art, the utility model provides a be suitable for long distance water delivery system's water hammer protector possesses following beneficial effect:
1. this be suitable for water hammer protector of long distance water delivery system utilizes the flange to make whole device fix on the pipeline, through piston and buffer spring that is equipped with, inflates the pressurization in to the stainless steel casing through the charging valve, according to the demonstration of barometer can be accurate aerify the operation, when carrying out the water hammer protection, on the water shock wave acted on the piston, the piston will move toward the appearance chamber direction. The stroke of piston motion is related to gas pressure, the water hammer size of holding the gas cavity, and the piston is under the gas of certain pressure and irregular water hammer dual function, does the up-and-down motion, forms a dynamic balance, has eliminated irregular water hammer effectively and has shaken, and the buffer spring that the cooperation was equipped with, and the resilience force that utilizes buffer spring deformation to produce can further buffering protection that resets, has improved the ability of water-resistant impact, has improved the wholeness ability.
2. This be suitable for water hammer protector of long distance water delivery system, through stainless steel casing and the end cover that is equipped with, utilize the mating connection effect of annular connecting block and annular spread groove to make stainless steel casing and end cover dismouting connection relatively, the equipment of piston and buffer spring can be convenient for, and the actual production operation of being convenient for, the chucking pole that the rethread was equipped with, the chucking pole rotates, make the draw-in groove card cover of chucking pole lateral wall outside the fixture block, the location inserted bar aligns the location jack this moment, reset spring draws back the arm-tie that resets, the firm connection between stainless steel casing and the end cover can be realized in the arm-tie that resets will fix a position the inserted bar propulsion location jack, the connection steadiness has been improved greatly, and the dismouting of being convenient for is used.
3. This be suitable for water hammer protector of long distance water delivery system, through first fixed plate and the second fixed plate that is equipped with, first fixed plate and backup pad pass through bolted connection and make buffer spring fix the downside at the end cover fast, when the equipment for the spacing hole plug bush on second fixed plate surface can realize the steadiness to buffer spring outside the gag lever post, has improved structure wholeness ability, convenient to use.
And the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model provides high water impact resistance's ability has improved the wholeness ability.
Drawings
Fig. 1 is a schematic structural view of a water hammer protection device suitable for a long-distance water delivery system according to the present invention;
fig. 2 is a schematic structural diagram of a part a of a water hammer protection device suitable for a long-distance water delivery system according to the present invention.
In the figure: the device comprises a stainless steel shell 1, an end cover 2, a flange 3, an annular connecting block 4, an annular connecting groove 5, an inflation valve 6, a barometer 7, a piston 8, a limit retainer ring 9, a groove 10, a support rod 11, a support plate 12, a first fixing plate 13, a buffer spring 14, a second fixing plate 15, a clamping rod 16, a clamping groove 17, a clamping block 18, a positioning inserted rod 19, a positioning inserting hole 20, a resetting pull plate 21, a resetting spring 22, a limiting rod 23 and a limiting hole 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a water hammer protection device suitable for a long-distance water delivery system comprises a stainless steel shell 1 and an end cover 2 fixedly connected to the upper end of the stainless steel shell 1, wherein the outer wall of the lower end of the stainless steel shell 1 is fixedly connected with a flange 3, the lower end of the end cover 2 is fixedly connected with an annular connecting block 4, the inner side and the outer side of the annular connecting block 4 are both provided with external threads, the upper end of the stainless steel shell 1 is provided with an annular connecting groove 5 in matching connection with the annular connecting block 4, the inner side wall of the annular connecting groove 5 is provided with internal threads in matching connection with the external threads, the upper end of the end cover 2 is fixedly inserted with an inflation valve 6 and an air pressure gauge 7, a piston 8 is further hermetically and movably sleeved in the stainless steel shell 1, a limit check ring 9 positioned on the lower side of the piston 8 is fixedly sleeved on the inner, the lower extreme of backup pad 12 passes through the first fixed plate 13 of bolt fixedly connected with, and a plurality of buffer spring 14 of the downside fixedly connected with of first fixed plate 13, the same second fixed plate 15 of the same second of a plurality of buffer spring 14's lower extreme fixedly connected with, second fixed plate 15 card cover is in recess 10.
The outer wall of the end cover 2 is rotationally connected with a plurality of clamping rods 16 through a rotating shaft symmetrically, a clamping groove 17 is formed in the rod wall of each clamping rod 16, a plurality of clamping blocks 18 clamped in the clamping groove 17 are fixedly connected to the outer wall of the stainless steel shell 1, the lower end of each clamping rod 16 is provided with a plurality of inserting holes, a positioning inserting rod 19 is movably inserted in each inserting hole, a positioning inserting hole 20 correspondingly inserted with the positioning inserting rod 19 is formed in the side wall of each clamping block 18, a reset pull plate 21 is fixedly connected to the lower end of each positioning inserting rod 19, and the upper end of each reset pull plate 21 and the lower end of each clamping rod 16 are fixedly connected with a reset spring 22 which is sleeved outside each positioning.
The inner wall of the bottom of the groove 10 is symmetrically and fixedly connected with a plurality of limiting rods 23, and the surface of the second fixing plate 15 is provided with a plurality of limiting holes 24 which are movably inserted and connected with the limiting rods 23.
The height of the stopper rod 23 is higher than that of the second fixing plate 15.
The flange 3 and the stainless steel shell 1 are an integrated forming mechanism.
The utility model discloses in, during the use, utilize flange 3 to make whole device fix on the pipeline, through piston 8 and buffer spring 14 that are equipped with, through inflation valve 6 pressurization of aerifing in to stainless steel casing 1, according to the demonstration of barometer 7 can be accurate aerify the operation, when carrying out the water hammer protection, on water hammer wave acted on piston 8, piston 8 will move toward the appearance chamber direction. The stroke of the movement of the piston 8 is related to the gas pressure in the gas containing cavity and the size of the water hammer, the piston 8 moves up and down under the dual actions of gas with certain pressure and irregular water hammer to form dynamic balance, irregular water hammer shock is effectively eliminated, the buffer spring 14 is arranged in a matching way, the rebound force generated by the deformation of the buffer spring 14 can be used for further buffer reset protection, the water impact resistance is improved, the overall performance is improved, the stainless steel shell 1 and the end cover 2 are arranged, the stainless steel shell 1 and the end cover 2 can be connected in a dismounting way relatively by the matching connection action of the annular connecting block 4 and the annular connecting groove 5, the assembly of the piston 8 and the buffer spring 14 can be facilitated, the actual production operation is facilitated, the clamping rod 16 is arranged, the clamping groove 17 on the side wall of the clamping rod 16 is clamped outside the clamping block 18 by rotating the clamping rod 16, the locating inserted bar 19 aligns the locating jack 20 at this moment, reset spring 22 pulls back the pulling plate 21 that resets, the pulling plate 21 that resets impels the locating inserted bar 19 to realize the firm connection between stainless steel casing 1 and the end cover 2 in the locating jack 20, the connection steadiness has been improved greatly, and the dismouting of being convenient for is used, through first fixed plate 13 and the second fixed plate 15 that are equipped with, first fixed plate 13 and backup pad 12 make buffer spring 14 fix the downside at end cover 2 fast through bolted connection, when the equipment, make the spacing hole 24 plug bush on second fixed plate 15 surface can realize the steadiness to buffer spring 14 outside gag lever post 23, the structural integrity performance has been improved, convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a be suitable for water hammer protector of long distance water delivery system, includes stainless steel casing (1) and end cover (2) of fixed connection in stainless steel casing (1) upper end, lower extreme outer wall fixedly connected with flange (3) of stainless steel casing (1), its characterized in that, lower extreme fixedly connected with annular connecting block (4) of end cover (2), the external screw thread has all been seted up to the inside and outside both sides of annular connecting block (4), annular connecting groove (5) with annular connecting block (4) accordant connection are seted up to the upper end of stainless steel casing (1), the internal thread with external screw thread accordant connection is seted up to the inside wall of annular connecting groove (5), the upper end of end cover (2) is fixed to be inserted and is equipped with inflation valve (6) and barometer (7), piston (8) have been cup jointed in stainless steel casing (1) still sealed activity, the bottom inner wall of stainless steel casing (1) is fixed to be cup jointed and is located the (9) The upper end of the piston (8) is provided with a groove (10), the inner wall of the top of the end cover (2) is fixedly connected with a same supporting plate (12) through a plurality of supporting rods (11), the lower end of the supporting plate (12) is fixedly connected with a first fixing plate (13) through a bolt, a plurality of buffer springs (14) are fixedly connected with the lower side of the first fixing plate (13), a plurality of buffer springs (14) are fixedly connected with a same second fixing plate (15), and the second fixing plate (15) is clamped in the groove (10).
2. The water hammer prevention device for long distance water delivery system of claim 1, it is characterized in that the outer wall of the end cover (2) is symmetrically and rotationally connected with a plurality of clamping rods (16) through a rotating shaft, a clamping groove (17) is formed in the rod wall of the clamping rod (16), a plurality of clamping blocks (18) clamped in the clamping groove (17) are fixedly connected to the outer wall of the stainless steel shell (1), the lower end of the clamping rod (16) is provided with a jack in which a positioning inserted rod (19) is movably inserted, the side wall of the clamping block (18) is provided with a positioning insertion hole (20) which is correspondingly inserted with the positioning insertion rod (19), the lower end of the positioning inserted bar (19) is fixedly connected with a reset pulling plate (21), the upper end of the reset pulling plate (21) and the lower end of the clamping rod (16) are fixedly connected with a same reset spring (22) sleeved outside the positioning insertion rod (19).
3. The water hammer protection device suitable for the long-distance water delivery system according to claim 1, wherein a plurality of limiting rods (23) are symmetrically and fixedly connected to the inner wall of the bottom of the groove (10), and a plurality of limiting holes (24) movably connected with the limiting rods (23) in a sleeved mode are formed in the surface of the second fixing plate (15).
4. A water hammer prevention device for long distance water delivery systems according to claim 3, wherein the height of the limit lever (23) is higher than the height of the second fixing plate (15).
5. A water hammer prevention device for long distance water delivery systems according to claim 1, wherein the flange (3) and the stainless steel housing (1) are an integral unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492594.XU CN212718653U (en) | 2020-07-27 | 2020-07-27 | Water hammer protection device suitable for long-distance water delivery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492594.XU CN212718653U (en) | 2020-07-27 | 2020-07-27 | Water hammer protection device suitable for long-distance water delivery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718653U true CN212718653U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021492594.XU Active CN212718653U (en) | 2020-07-27 | 2020-07-27 | Water hammer protection device suitable for long-distance water delivery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718653U (en) |
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2020
- 2020-07-27 CN CN202021492594.XU patent/CN212718653U/en active Active
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Address after: 455000 No.159, Angang Avenue East, Yindu District, Anyang City, Henan Province Patentee after: Henan Water Planning, Design and Research Co.,Ltd. Address before: 455000 No.159, Angang Avenue East, Yindu District, Anyang City, Henan Province Patentee before: HENAN YUBEI SURVEY AND DESIGN INSTITUTE OF WATER CONSERVANCY CO.,LTD. |