CN112113025B - Pipeline pressure valve and slurry conveying device - Google Patents
Pipeline pressure valve and slurry conveying device Download PDFInfo
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- CN112113025B CN112113025B CN202010949413.XA CN202010949413A CN112113025B CN 112113025 B CN112113025 B CN 112113025B CN 202010949413 A CN202010949413 A CN 202010949413A CN 112113025 B CN112113025 B CN 112113025B
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- hose
- channel
- piston
- valve
- pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/088—Pipe-line systems for liquids or viscous products for solids or suspensions of solids in liquids, e.g. slurries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention provides a pipeline pressure valve and a slurry conveying device, and relates to the technical field of construction machinery. The pipeline pressure valve comprises a valve body, wherein a fluid channel and a detection channel which is intersected and communicated with the fluid channel are arranged in the valve body; two ends of the fluid channel are connected with an external material pipe through a joint; the hose is located in the fluid channel, two ends of the hose are connected with the two connectors respectively, and the pressure detection assembly is installed in the detection channel and stretches into the fluid channel to be in contact with the hose so as to detect pressure change of fluid in the hose through deformation of the detection hose. When the pipeline pressure valve provided by the invention is used for detecting the pressure of mortar in the material pipe, the pressure detection assembly of the pipeline pressure valve does not need to be in direct contact with the mortar, so that the pressure detection assembly is prevented from being damaged after the adhered mortar is dried, and the service life of the pressure detection assembly is prolonged. The slurry conveying device provided by the invention comprises the pipeline pressure valve.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a pipeline pressure valve and a slurry conveying device.
Background
The mortar is a medium with strong adhesion and easy dry bonding, and the pipe blockage phenomenon is easy to occur in the conveying process of the mortar, so that the pipe explosion of the mortar pipe is directly caused, or the overload of a pumping motor is caused, and the service life of the pumping motor is influenced. The mortar is easy to adhere and dry, so that the pressure of the mortar in the mortar pipe is difficult to monitor, the conventional contact type pressure gauge needs to be in contact with the mortar in the monitoring process of the mortar pipe, the mortar is frequently adhered to the surface of the detection head, and after the mortar is conveyed, if the detection head cannot be thoroughly cleaned, the adhesion can cause the damage of the pressure gauge after the mortar of the detection head is dry, so that the service life of the pressure gauge is seriously influenced.
Disclosure of Invention
The invention aims to provide a pipeline pressure valve and a slurry conveying device, wherein when the pressure of mortar in a material pipe is detected, a pressure detection assembly of the pipeline pressure valve does not need to be in direct contact with the mortar, so that the pressure detection assembly is prevented from being damaged after the adhered mortar is dried, and the service life of the pressure detection assembly is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a pipeline pressure valve, which comprises a valve body, a valve body and a valve body, wherein a fluid channel and a detection channel which is intersected with and communicated with the fluid channel are arranged in the valve body; the two ends of the fluid channel are connected with an external material pipe through one connector; the hose is positioned in the fluid channel, and two ends of the hose are respectively connected with the two joints; and the pressure detection assembly is arranged in the detection channel and extends into the fluid channel to be in contact with the hose so as to detect the pressure change of the fluid in the hose by detecting the deformation of the hose. The pipeline pressure valve obtains the mode of the pressure value of the mortar in the hose through the expansion amount of the detection hose, the pressure detection assembly of the pipeline pressure valve is prevented from directly contacting the mortar, the mortar adhesion pressure detection assembly is prevented, the damage to the pressure detection assembly caused by the dry and hard adhesion of the mortar is avoided, the protection effect on the pressure detection assembly is further played, and the service life of the pressure detection assembly is prolonged.
Optionally, the pressure detecting assembly comprises a piston mounted in the detecting channel and capable of contacting with the outer surface of the hose, when the hose expands, the hose can drive the piston to move in the detecting channel in a direction away from the hose; and the limit switch is installed on the valve body and is positioned on one side, far away from the fluid channel, of the piston, and when the piston moves to a preset position in the detection channel, the limit switch can be triggered, so that the motor of the material pump is closed to operate after receiving an instruction. The setting up of piston does benefit to limit switch and obtains the inflation volume of hose through the displacement of measuring the piston on the one hand, and on the other hand, the piston can be comparatively stayed in detecting channel steadily, and non-external force can not take place to remove, prevents that the mistake from touching limit switch, and then has guaranteed the precision of pressure measurement subassembly.
Optionally, the piston includes a piston body and a piston rod disposed at an end of the piston body away from the fluid channel, the piston rod can extend out from an end of the detection channel away from the fluid channel, and when the piston body drives the piston rod to move to a preset position in the detection channel, the piston rod can trigger the limit switch. And set up the piston rod, can be so that install in the detection channel and keep away from the limit switch of fluid passage one side and can be triggered the time, the piston can set up shorter, avoids the frictional force between piston and the detection channel too big and be difficult to remove, and then leads to the hose inflation can't promote the piston and remove.
Optionally, the pressure detection assembly further includes an elastic member, the elastic member is sleeved on the piston rod, one end of the elastic member abuts against the piston body, and the other end of the elastic member abuts against one end of the detection passage far away from the fluid passage. Through setting up the elastic component for the piston can automatic re-setting, in order to realize using repeatedly of pressure measurement subassembly.
Optionally, a spigot plane is arranged on an inner wall of the detection channel, which is close to the fluid channel, and the piston body abuts against the spigot plane. Through setting up the tang plane, can prevent that the piston body from exerting pre-compaction pressure to the hose under the elasticity of elastic component, and then lead to the hose still can't promote the piston and remove to predetermineeing the position when fluid pressure is too big.
Optionally, the pressure detection assembly further includes an adjusting structure installed at an end of the detection channel far away from the fluid channel, a distance between the adjusting structure and the fluid channel is adjustable, the piston rod penetrates through the adjusting structure, and the elastic member abuts against the adjusting structure. The initial length of the elastic part is adjusted through the adjusting structure, so that the initial pressure of the elastic part on the piston body is adjustable, and the pressure detection assembly can be suitable for material pipes with different pressure requirements.
Optionally, the adjusting structure is an adjusting nut, and the adjusting nut is in threaded connection with the inner wall of the detection channel. The position between the adjusting nut and the detection channel is adjustable through threaded connection, so that the initial length of the elastic piece is adjustable, and the structure is simple and stable.
Optionally, the pressure detection assembly further comprises a bracket mounted on the valve body, the bracket is located on the outer side of one end, away from the fluid channel, of the detection channel, and the limit switch is mounted on the bracket. Through setting up the support to limit switch's installation is convenient for.
Optionally, the valve body includes a first valve element, on which the detection channel and a first through groove intersecting and communicating with the detection channel are opened; and the second valve part is detachably connected with the first valve part, a second through groove opposite to the first through groove is formed in the second valve part, and when the first valve part is connected with the second valve part, the first through groove and the second through groove form the fluid channel. Through setting up first valve member of detachable and second valve member to the hose is when taking place to damage, changes alone the hose that damages, need not to change whole pipeline pressure valve, practices thrift the cost.
The invention provides a slurry conveying device which comprises a material pump, a material pipe and the pipeline pressure valve, wherein the pipeline pressure valve is connected with the material pipe through the joint, and the material pump is installed at one end of the material pipe.
The invention has the beneficial effects that:
according to the pipeline pressure valve provided by the invention, the pressure value of mortar in the hose is obtained by detecting the expansion amount of the hose, so that the pressure detection assembly of the pipeline pressure valve is prevented from being directly contacted with the mortar, the mortar is prevented from being adhered to the pressure detection assembly, the pressure detection assembly is prevented from being damaged after the adhered mortar is dried, the protection effect on the pressure detection assembly is further realized, and the service life of the pressure detection assembly is prolonged.
Drawings
FIG. 1 is a perspective view of a line pressure valve according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an orientation of a line pressure valve provided by an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a valve body of a line pressure valve according to an embodiment of the present invention;
FIG. 4 is another partial cross-sectional view of a valve body of a line pressure valve provided in accordance with an embodiment of the present invention;
FIG. 5 is a cross-sectional view of another orientation of a line pressure valve provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a conveying device according to an embodiment of the present invention.
In the figure:
1. a valve body; 11. a fluid channel; 12. a detection channel; 13. a first valve element; 131. a spigot plane; 14. a second valve element; 15. a bolt;
2. a hose;
31. a piston body; 32. an elastic member; 33. adjusting the nut; 34. a limit switch; 35. a support; 36. a piston rod;
4. a joint;
5. a material pipe;
6. and (4) a material pump.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The pipeline pressure valve provided by the invention is applied to a mortar feeding device, and particularly, the pipeline pressure valve is arranged in a material pipe 5 of the mortar feeding device so as to control a material pump 6 of the mortar feeding device to be closed in time when the pressure of the material pipe 5 is overlarge. Of course, in other embodiments, the pipeline pressure valve provided by the present invention may also be used in other slurry feeding devices that are prone to sticking or drying, and is not limited herein.
Referring to fig. 1 and 2, in one aspect, the present invention provides a pipeline pressure valve. The pipeline pressure valve comprises a valve body 1, a hose 2, two connectors 4 and a pressure detection assembly. A fluid passage 11 and a detection passage 12 intersecting and communicating with the fluid passage 11 are provided in the valve body 1. Both ends of the fluid channel 11 are connected to the outer pipe 5 by means of a joint 4. The hose 2 is located in the fluid channel 11, and two ends of the hose 2 are respectively connected with the two connectors 4. The pressure detecting assembly is installed in the detecting passage 12 and extends into the fluid passage 11 to contact the hose 2 to detect a pressure change of the fluid in the hose 2 by detecting a deformation of the hose 2.
Specifically, when mortar flows through the hose 2 of the fluid channel 11, if the mortar pressure is large, the hose 2 is squeezed, so that the hose 2 expands, the pressure detection assembly detects the expansion amount of the hose 2 to obtain the pressure value of the fluid in the hose 2, and when the expansion amount of the hose 2 detected by the pressure detection assembly is the same as the preset value, the pressure of the mortar in the hose 2 is excessive, and at this time, the material pump 6 stops pumping, so that the material pipe 5 is prevented from being damaged due to the excessive pressure.
According to the pipeline pressure valve provided by the invention, the pressure value of the mortar in the hose 2 is obtained by detecting the expansion amount of the hose 2, so that the pressure detection assembly of the pipeline pressure valve is prevented from being directly contacted with the mortar, the mortar is prevented from being adhered to the pressure detection assembly, the pressure detection assembly is prevented from being damaged after the adhered mortar is dried, the protection effect on the pressure detection assembly is further played, and the service life of the pressure detection assembly is prolonged.
Optionally, the pressure sensing assembly includes a piston and limit switch 34. The piston is mounted in the test channel 12 and is capable of contacting the outer surface of the hose 2, and when the hose 2 is inflated, the hose 2 is capable of driving the piston in the test channel 12 in a direction away from the hose 2. The limit switch 34 is installed on the valve body 1 and located on one side of the piston far away from the fluid channel 11 and in communication connection with the motor of the material pump 6, and when the piston moves to a preset position in the detection channel 12, the limit switch 34 can be triggered, so that the motor of the material pump 6 is closed to operate after receiving an instruction. Through setting up the piston that can move in detecting channel 12, do benefit to limit switch 34 on the one hand and obtain the inflation volume of hose 2 through the displacement of measuring the piston, on the other hand, the piston can be comparatively stably stayed in detecting channel 12, and non-external force can not take place to remove, prevents to miss and touches limit switch 34, and then has guaranteed the precision of pressure measurement subassembly.
Optionally, the piston includes a piston body 31 and a piston rod 36 disposed at an end of the piston body 31 far away from the fluid channel 11, the piston rod 36 can extend out from an end of the detection channel 12 far away from the fluid channel 11, and when the piston body 31 drives the piston rod 36 to move to a preset position in the detection channel 12, the piston rod 36 can trigger the limit switch 34. Through setting up piston rod 36, can make and install limit switch 34 that keeps away from fluid passage 11 one side at detection channel 12 can be triggered the time, the piston can set up shorter, avoids the frictional force between piston and the detection channel 12 too big and be difficult to remove, and then leads to the unable piston that promotes of hose 2 inflation to remove.
Optionally, the pressure detecting assembly further includes an elastic element 32, the elastic element 32 is sleeved on the piston rod 36, one end of the elastic element 32 abuts against the piston body 31, and the other end abuts against one end of the detecting channel 12 far from the fluid channel 11. By arranging the elastic piece 32, the piston can automatically reset, so that the pressure detection assembly can be used repeatedly.
Alternatively, a spigot plane 131 is provided on the inner wall of the detection passage 12 near the fluid passage 11, and the piston body 31 abuts on the spigot plane 131. By providing the spigot plane 131, the piston body 31 can be prevented from applying a pre-pressure to the hose 2 under the elastic force of the elastic member 32, and further the hose 2 can not push the piston to move to a preset position when the fluid pressure is too large.
Optionally, the extension direction of the spigot plane 131 is parallel to the axial direction of the hose 2, and the spigot plane 131 is located on a plane where the generatrix of the piston body 31 of the hose 2 is located and parallel to the piston body 31, so that in a normal state of the hose 2, the piston body 31 can just contact with the surface of the hose 2, and the spigot plane 131 can be prevented from excessively pressing the hose 2, so that the hose 2 still cannot push the piston to move under the condition of excessive fluid pressure. Of course, in other embodiments, the spigot plane 131 can slightly compress the surface of the hose 2 as long as it does not interfere with the normal movement of the pushing piston when the hose 2 is inflated.
Optionally, the pressure detecting assembly further includes an adjusting structure installed at an end of the detecting channel 12 far from the fluid channel 11, a distance between the adjusting structure and the fluid channel is adjustable, the piston rod 36 penetrates through the adjusting structure, and the elastic member 32 abuts against the adjusting structure. The initial length of the elastic part 32 is adjusted through the adjusting structure, so that the initial pressure of the elastic part 32 on the piston body 31 is adjustable, and the pressure detection assembly can be suitable for the material pipe 5 needing different pressures.
Optionally, the adjusting structure is an adjusting nut 33, the adjusting nut 33 is in threaded connection with the inner wall of the detection channel 12, the position between the adjusting nut 33 and the detection channel 12 is adjustable through the threaded connection, and then the initial length of the elastic member 32 is adjustable, and the structure is simple and stable.
Optionally, the pressure detecting assembly further comprises a bracket 35 mounted on the valve body 1, the bracket 35 is located outside an end of the detecting channel 12 far from the fluid channel 11, and the limit switch 34 is mounted on the bracket 35 to facilitate the mounting of the limit switch 34.
Optionally, the valve body 1 comprises a first valve part 13 and a second valve part 14. The first valve member 13 is provided with a detection channel 12 and a first through groove intersecting and communicating with the detection channel 12. The second valve member 14 is detachably connected to the first valve member 13, a second through groove opposite to the first through groove is formed in the second valve member 14, and when the first valve member 13 is connected to the second valve member 14, the first through groove and the second through groove form the fluid passage 11. Through setting up detachable first valve part 13 and second valve part 14 to hose 2 when taking place to damage, changes the hose 2 of damage alone, need not to change whole pipeline pressure valve, practices thrift the cost.
The invention provides a slurry conveying device. The slurry conveying device comprises a material pump 6, a material pipe 5 and the pipeline pressure valve, the pipeline pressure valve is connected with the material pipe 5 through a joint 4, and the material pump 6 is installed at one end of the material pipe 5.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be taken in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (5)
1. A line pressure valve, comprising:
the valve body is internally provided with a fluid channel and a detection channel which is intersected with and communicated with the fluid channel;
the two ends of the fluid channel are connected with an external material pipe through one joint;
the hose is positioned in the fluid channel, and two ends of the hose are respectively connected with the two joints;
the pressure detection assembly is arranged in the detection channel and extends into the fluid channel to be in contact with the hose so as to detect the pressure change of the fluid in the hose by detecting the deformation of the hose;
the pressure detection assembly comprises a piston and a limit switch, the piston is arranged in the detection channel and can be in contact with the outer surface of the hose, and when the hose expands, the hose can drive the piston to move in the detection channel in a direction away from the hose; the limit switch is arranged on the valve body and is positioned on one side, far away from the fluid channel, of the piston, and when the piston moves to a preset position in the detection channel, the limit switch can be triggered;
the piston comprises a piston body and a piston rod arranged at one end of the piston body, which is far away from the fluid channel, the piston rod can extend out from one end of the detection channel, which is far away from the fluid channel, and when the piston body drives the piston rod to move to a preset position in the detection channel, the piston rod can trigger the limit switch;
the pressure detection assembly further comprises an elastic piece, the elastic piece is sleeved on the piston rod, one end of the elastic piece is abutted against the piston body, and the other end of the elastic piece is abutted against one end, far away from the fluid channel, of the detection channel;
a spigot plane is arranged on the inner wall of the detection channel, which is close to the fluid channel, and the piston body is abutted against the spigot plane;
the pressure detection assembly further comprises an adjusting structure arranged at one end, far away from the fluid channel, of the detection channel, the distance between the adjusting structure and the fluid channel is adjustable, the piston rod penetrates through the adjusting structure, and the elastic piece is abutted to the adjusting structure.
2. The line pressure valve of claim 1, wherein the adjustment structure is an adjustment nut that is threaded to an inner wall of the detection passage.
3. The line pressure valve of claim 1, wherein the pressure sensing assembly further comprises a bracket mounted to the valve body, the bracket being located outside an end of the sensing passage distal from the fluid passage, the limit switch being mounted to the bracket.
4. The line pressure valve according to any of claims 1-3, wherein the valve body comprises:
the first valve piece is provided with the detection channel and a first through groove which is intersected with and communicated with the detection channel;
and the second valve part is detachably connected with the first valve part, a second through groove opposite to the first through groove is formed in the second valve part, and when the first valve part is connected with the second valve part, the first through groove and the second through groove form the fluid channel.
5. A slurry conveying device, comprising a material pump and a material pipe, and being characterized by further comprising a pipeline pressure valve as claimed in any one of claims 1 to 4, wherein the pipeline pressure valve is connected with the material pipe through the joint, and the material pump is installed at one end of the material pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949413.XA CN112113025B (en) | 2020-09-10 | 2020-09-10 | Pipeline pressure valve and slurry conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949413.XA CN112113025B (en) | 2020-09-10 | 2020-09-10 | Pipeline pressure valve and slurry conveying device |
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| Publication Number | Publication Date |
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| CN112113025A CN112113025A (en) | 2020-12-22 |
| CN112113025B true CN112113025B (en) | 2022-11-15 |
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| CN202010949413.XA Active CN112113025B (en) | 2020-09-10 | 2020-09-10 | Pipeline pressure valve and slurry conveying device |
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| CN115077777A (en) * | 2021-03-11 | 2022-09-20 | 三一汽车制造有限公司 | non-Newtonian fluid conveying pressure detection device and non-Newtonian fluid conveying equipment |
| CN113125075A (en) * | 2021-04-20 | 2021-07-16 | 陈亮 | Leakage-proof testing device for heating and ventilation pipeline |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU650950B2 (en) * | 1991-03-14 | 1994-07-07 | Dresser Industries Inc. | Method and apparatus for determining set pressure of pilot operated pressure relief valve |
| US8408074B2 (en) * | 2010-09-15 | 2013-04-02 | Hydril Usa Manufacturing Llc | Riser annulus flow meter and method |
| DE102012102273A1 (en) * | 2012-03-19 | 2013-09-19 | B. Braun Melsungen Ag | Device for feeding and dosing a fluid for medical purposes |
| US9808567B2 (en) * | 2012-12-14 | 2017-11-07 | Gambro Lundia Ab | Diaphragm repositioning for pressure pod using position sensing |
| CN107121356B (en) * | 2017-05-03 | 2019-09-06 | 中国石油大学(华东) | A kind of fluid measurement instrument |
| DE102017012067A1 (en) * | 2017-12-29 | 2019-07-04 | Endress+Hauser Flowtec Ag | Pipe for a transducer, transducer with such a tube and thus formed measuring system |
| CN108775938A (en) * | 2018-05-31 | 2018-11-09 | 北汽福田汽车股份有限公司 | Flow sensor, gas handling system and vehicle |
| CN108801369B (en) * | 2018-07-23 | 2024-03-29 | 苏州科技大学 | Rainwater runoff flow measuring device |
| CN109630906A (en) * | 2019-02-19 | 2019-04-16 | 常州大学 | A kind of detachable pipeline leakage testing device and its detection method |
| CN210321843U (en) * | 2019-08-30 | 2020-04-14 | 广东华兰海电测科技股份有限公司 | Sensor for fluid flow meter |
| CN110987095A (en) * | 2019-12-31 | 2020-04-10 | 姜春林 | Fluid flow measuring system |
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