CN210243069U - Mine pressure monitoring instrument - Google Patents
Mine pressure monitoring instrument Download PDFInfo
- Publication number
- CN210243069U CN210243069U CN201921481694.XU CN201921481694U CN210243069U CN 210243069 U CN210243069 U CN 210243069U CN 201921481694 U CN201921481694 U CN 201921481694U CN 210243069 U CN210243069 U CN 210243069U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure relief
- pipe
- cavity
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
A mine pressure monitoring instrument belongs to the technical field of pressure gauges. It provides a mine pressure monitoring instrument with automatic pressure release function and shock attenuation performance. The supporting tube is fixedly connected with the lower surface of the pressure gauge dial, an air inlet is formed in the middle of the lower surface of the pressure gauge dial, the partition plate is hermetically connected with the middle of the inner cavity of the supporting tube, damping damp I is filled in the damping cavity, an air inlet channel and a pressure relief channel are formed in the pressure relief cavity, an automatic pressure relief device is installed in the pressure relief cavity and used for controlling the opening and closing of the pressure relief channel, the upper end of the pressure buffering coil is communicated with the air inlet channel of the pressure relief cavity, a pressure buffering coil fixing disc is screwed on the outer circumferential surface of the damping cavity at the lower end of the supporting tube, the lower end of the pressure buffering coil extends downwards, a connecting. The utility model discloses can play the cushioning effect, can avoid the part to damage, and simple to operate.
Description
Technical Field
The utility model belongs to the technical field of the manometer, especially, relate to a mine pressure monitoring instrument.
Background
The pressure gauge is widely applied to mining equipment, and the normal use of the pressure gauge has great influence on the safe production of mines. Because the medium kind that mining equipment used is more, and the environment is abominable, and the measured medium produces the pressure that is higher than manometer measuring range easily to the condition that the manometer explodes appears, and still there is violent vibrations can damage the problem of manometer part, causes the manometer reading inaccurate, and current manometer can not fine solution above-mentioned problem, has produced certain influence to the mine operation.
Disclosure of Invention
Not enough to above-mentioned prior art exists, the utility model provides a mine pressure monitoring instrument with automatic pressure release function and damping performance.
The utility model adopts the technical proposal that: a mine pressure monitoring instrument comprises a pressure gauge dial, a supporting pipe, an automatic pressure relief device, a partition plate, a pressure buffer coil pipe, a connecting pipe and a first damping damper; the supporting tube is fixedly connected with the lower surface of the pressure gauge dial, an air inlet hole is arranged in the middle of the lower surface of the pressure gauge dial, the clapboard is hermetically connected with the middle part of the inner cavity of the supporting tube, the clapboard divides the inner cavity of the supporting tube into a pressure relief cavity and a damping cavity from top to bottom, the shock absorption cavity is sealed, the shock absorption damper I is filled in the shock absorption cavity, the pressure relief cavity is provided with an air inlet channel and a pressure relief channel, the automatic pressure relief device is arranged in the pressure relief cavity and used for controlling the opening and closing of the pressure relief channel, the upper end of the pressure buffer coil is communicated with the air inlet channel of the pressure relief cavity, the fixed disk of the pressure buffer coil is screwed on the outer circumferential surface of the damping cavity at the lower end of the supporting tube, the lower end of the pressure buffer coil extends downwards, the connecting pipe suit is in the pressure buffer coil outside, and the outer periphery fixed connection of connecting pipe upper end and stay tube, connecting pipe lower extreme are equipped with external screw thread or internal thread.
The beneficial effects of the utility model reside in that:
the utility model discloses a damping plays the cushioning effect and does not have the intensity that reduces the device, and pressure buffer coil pipe can the gentle pressure fluctuation, and the medium is surveyed in the cooling, when being surveyed the high pressure gauge measuring range of pressure of medium in the pipeline, pressure relief device can the drainage part be surveyed the medium, avoids the part to be surveyed in the medium gets into the manometer dial plate simultaneously, avoids the part to damage, and simple to operate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a bottom view of the connecting pipe of the present invention with external threads;
FIG. 4 is a schematic view of the pressure release state of the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4;
fig. 6 is a bottom view of the connecting pipe of the present invention with internal threads;
wherein: 1-a pressure gauge dial; 1-1-air inlet; 2-supporting a tube; 2-1-pressure relief cavity; 2-2-a damping cavity; 3-automatic pressure relief device; 3-1-spring one; 3-2-counterweight; 3-3-pressure relief pipe; 3-4-a limiting device; 3-5-air dispersing pipe; 3-6-a filter layer; 3-7-a compression device; 3-8-spring two; 3-9-limiting plate; 3-10-push rod; 4-a separator; 5-pressure buffer coil pipe; 6-connecting pipe; 7-damping I; 8-circular plate; 8-1-through hole one; 9-damping II; 10-L-shaped ring plate; 10-1-through hole two; and 11, damping.
Detailed Description
As shown in fig. 1 to 6, a mine pressure monitoring instrument comprises a pressure gauge dial 1, a support tube 2, an automatic pressure relief device 3, a partition plate 4, a pressure buffer coil 5, a connecting tube 6 and a damping damper I7; the support tube 2 is fixedly connected with the lower surface of a pressure gauge dial 1, an air inlet 1-1 is arranged in the middle of the lower surface of the pressure gauge dial 1, the air inlet 1-1 is arranged in the support tube 2, the partition plate 4 is horizontally arranged and hermetically connected with the middle of an inner cavity of the support tube 2, the partition plate 4 divides the inner cavity of the support tube 2 into a pressure relief cavity 2-1 and a damping cavity 2-2 up and down, the damping cavity 2-2 is hermetically arranged, the damping damper I7 is filled in the damping cavity 2-2, an air inlet channel and a pressure relief channel are arranged on the pressure relief cavity 2-1, the automatic pressure relief device 3 is arranged in the pressure relief cavity 2-1 and used for controlling the opening and closing of the pressure relief channel, the upper end of the pressure buffer coil 5 is communicated with the air inlet channel of the pressure relief cavity 2-1, and a fixed disc of the pressure, the lower end of the pressure buffer coil pipe 5 extends downwards, the connecting pipe 6 is sleeved on the outer side of the pressure buffer coil pipe 5, the upper end of the connecting pipe 6 is fixedly connected with the outer circumferential surface of the supporting pipe 2, the lower end of the connecting pipe 6 is provided with external threads or internal threads and is communicated with a pipeline of mining equipment through the external threads or the internal threads, a measured medium in the pipeline enters the pressure gauge dial 1 after entering the pressure relief cavity 2-1 of the supporting pipe 2 from the pressure buffer coil pipe 5 for pressure measurement, when the pressure of the measured medium is overlarge, the automatic pressure relief device 3 is started, the pressure relief channel is opened, and the measured medium is discharged from the pressure relief channel 2-1.
As shown in fig. 1 and 4, the automatic pressure relief device 3 comprises a first spring 3-1, a counterweight 3-2 and a pressure relief pipe 3-3; the pressure relief cavity 2-1 is provided with a pressure relief pipe 3-3 on a pressure relief channel, the pressure relief pipe 3-3 is horizontally arranged, the spring I3-1 is sleeved on an inlet hole of the pressure gauge dial 1, the spring I3-1 is vertically arranged, the upper end of the spring I3-1 is fixedly connected with the lower surface of the pressure gauge dial 1, the lower end of the spring I3-1 is fixedly connected with the middle part of the counterweight 3-2, the initial position of the counterweight 3-2 is realized, the outer side surface of the inner end of the pressure relief pipe 3-3 is closely attached to the adjacent side surface of the counterweight 3-2, and the inner diameter area of the inner end of the pressure relief pipe 3-3 is smaller than the area of the adjacent side surface of.
When the pressure is smaller than the sum of the downward elastic force of the first spring 3-1 and the gravity of the counterweight 3-2, a medium to be measured enters the pressure relief cavity 2-1 of the supporting tube 2 from the pressure buffer coil 5, bypasses the gap of the stretched first spring 3-1, and enters an inlet hole of the pressure gauge dial 1 to measure the pressure;
when the pressure is greater than the sum of the downward elastic force of the first spring 3-1 and the gravity of the counterweight 3-2, the measured medium pushes the counterweight 3-2 to move upwards, the first spring 3-1 is compressed, at the moment, the counterweight 3-2 leaves the pressure relief pipe 3-3, part of the measured medium is discharged from the pressure relief pipe 3-3, and the rest of the measured medium enters an inlet hole of the dial 1 of the pressure gauge from a gap of the first spring 3-1;
when the pressure is far greater than the sum of the downward elastic force of the first spring 3-1 and the gravity of the counterweight 3-2, the first spring 3-1 is completely compressed, the first spring 3-1 and the counterweight 3-2 seal an inlet hole of the pressure gauge dial 1, and the measured medium is completely discharged from the pressure relief pipe 3-3, so that the parts in the pressure gauge dial 1 are prevented from being damaged.
When the pressure is reduced, the counterweight 3-2 falls back to the initial position, and the pressure relief pipe 3-3 is sealed.
The automatic pressure relief device 3 further comprises a limiting device 3-4, the limiting device 3-4 is sleeved on the outer side of the spring I3-1, the spring I3-1 can only stretch and compress up and down, and the upper end of the limiting device 3-4 is fixedly connected with the lower surface of the pressure gauge dial 1.
The height of the lower end face of the limiting device 3-4 is higher than the maximum height which can be reached by the upper end of the counterweight 3-2.
The limiting devices 3-4 are limiting nets or a plurality of limiting rods.
When the limiting device 3-4 is a limiting net, the limiting net is arranged around the first spring 3-1, and the upper end of the limiting net is fixedly connected with the lower surface of the pressure gauge dial 1.
When the limiting device 3-4 is provided with a plurality of limiting rods, the limiting rods are arranged around the spring I3-1, and the upper ends of the limiting rods are fixedly connected with the lower surface of the pressure gauge dial 1.
As shown in fig. 1 and 4, the automatic pressure relief device 3 further comprises an air diffusing pipe 3-5, the air diffusing pipe 3-5 is an L-shaped pipe, one end of the air diffusing pipe 3-5 is fixedly connected with the outer circumferential surface of the support pipe 2 and is sleeved on the outer side of the pressure relief pipe 3-3, and the other end of the air diffusing pipe 3-5 is arranged upwards. The medium pressure discharged from the pressure relief pipe 3-3 is too high, other equipment or workers are easily sprayed and injured, and the area of the air dispersing pipe 3-5 is increased, so that the spraying pressure of the medium is reduced.
The other end of the air dispersing pipe 3-5 is provided with a filter layer 3-6.
As shown in fig. 1 and 4, the automatic pressure relief device 3 further comprises a pressing device 3-7, the pressing device 3-7 is arranged opposite to the pressure relief pipe 3-3, one end of the pressing device 3-7 is fixed on the inner circumferential surface of the pressure relief cavity 2-1, and the other end of the pressing device 3-7 abuts against the counterweight 3-2 to push the counterweight 3-2 to cling to the pressure relief pipe 3-3.
As shown in fig. 2 and 5, the pressing device 3-7 comprises a second spring 3-8, a push rod 3-10 and two limiting plates 3-9; the spring II 3-8 is arranged opposite to the pressure relief pipe 3-3, the spring II 3-8 is horizontally arranged, one end of the spring II 3-8 is fixedly connected with the inner circumferential surface of the pressure relief cavity 2-1, the other end of the spring II 3-8 is fixedly connected with one end of the push rod 3-10, the other end of the push rod 3-10 abuts against the counterweight 3-2, the upper side and the lower side of the spring II 3-8 are respectively provided with a limiting plate 3-9, and the two limiting plates 3-9 are both fixedly connected with the inner circumferential surface of the pressure relief cavity 2-1.
As shown in fig. 1 and 4, the counterweight 3-2 is a trapezoidal block, the upper bottom of the trapezoidal block is arranged below, the outer side surface of the inner end of the pressure relief pipe 3-3 and the other end of the push rod 3-10 are arranged in a matching manner with the corresponding side surface of the trapezoidal block, so that the counterweight 3-2 can move up and down conveniently, and the pressure relief pipe 3-3 can be sealed conveniently.
As shown in fig. 1 and 3, when the lower end of the connecting pipe 6 is provided with an external thread, the lower end of the connecting pipe 6 is sealed by the circular plate 8, the circular plate 8 is provided with a first through hole 8-1, the lower end of the pressure buffer coil pipe 5 is communicated with the first through hole 8-1 of the circular plate 8, the lower end of the outer circumferential surface of the connecting pipe 6 is provided with an external thread, and the connecting pipe 6 is filled with a second damping damper 9.
As shown in fig. 4 and 6, when the lower end of the connecting pipe 6 is provided with an internal thread, the lower end of the connecting pipe 6 is sealed by the L-shaped ring plate 10, the sealed space formed between the lower end of the connecting pipe 6, the L-shaped ring plate 10 and the support pipe 2 is filled with the damping third 11, the inner circumferential surface of the L-shaped ring plate 10 is provided with the internal thread, the bottom surface of the L-shaped ring plate 10 is provided with the second through hole 10-1, and the lower end of the pressure buffer coil pipe 5 is communicated with the second through hole 10-1 of the L-shaped.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A mine pressure monitoring instrument is characterized in that: the pressure relief device comprises a pressure gauge dial (1), a support tube (2), an automatic pressure relief device (3), a partition plate (4), a pressure buffer coil (5), a connecting tube (6) and a damping damper I (7); the support tube (2) is fixedly connected with the lower surface of a pressure gauge dial (1), an air inlet (1-1) is arranged in the middle of the lower surface of the pressure gauge dial (1), the partition plate (4) is hermetically connected with the middle of the inner cavity of the support tube (2), the partition plate (4) vertically partitions the inner cavity of the support tube (2) into a pressure relief cavity (2-1) and a damping cavity (2-2), the damping cavity (2-2) is hermetically arranged, the damping damper I (7) is filled in the damping cavity (2-2), an air inlet channel and a pressure relief channel are arranged on the pressure relief cavity (2-1), an automatic pressure relief device (3) is installed in the pressure relief cavity (2-1) and used for controlling the opening and closing of the pressure relief channel, the upper end of a pressure buffer coil (5) is communicated with the air inlet channel of the pressure relief cavity (2-1), and a pressure buffer coil (5) fixing disc is screwed in the damping cavity (2- On the outer periphery, pressure buffer coil pipe (5) lower extreme downwardly extending, connecting pipe (6) suit is in pressure buffer coil pipe (5) outside, and connecting pipe (6) upper end and stay tube (2) outer periphery fixed connection, and connecting pipe (6) lower extreme is equipped with external screw thread or internal thread.
2. The mine pressure monitoring instrument of claim 1, wherein: the automatic pressure relief device (3) comprises a first spring (3-1), a counterweight (3-2) and a pressure relief pipe (3-3); the pressure relief cavity (2-1) is provided with a pressure relief pipe (3-3) on a pressure relief channel, the first spring (3-1) is sleeved on an inlet hole of the pressure gauge dial (1), the first spring (3-1) is vertically arranged, the upper end of the first spring (3-1) is fixedly connected with the lower surface of the pressure gauge dial (1), the lower end of the first spring (3-1) is fixedly connected with the middle part of the counterweight (3-2), the outer side surface of the inner end of the pressure relief pipe (3-3) is tightly attached to the adjacent side surface of the counterweight (3-2), and the inner diameter area of the inner end of the pressure relief pipe (3-3) is smaller than the area of the adjacent side surface of the counterweight (3-2).
3. The mine pressure monitoring instrument of claim 2, wherein: the automatic pressure relief device (3) further comprises a limiting device (3-4), the limiting device (3-4) is sleeved on the outer side of the first spring (3-1), and the upper end of the limiting device (3-4) is fixedly connected with the lower surface of the pressure gauge dial (1).
4. A mine pressure monitoring gauge according to claim 2 or 3, wherein: the automatic pressure relief device (3) further comprises an air diffusing pipe (3-5), one end of the air diffusing pipe (3-5) is fixedly connected with the outer circumferential surface of the supporting pipe (2) and sleeved on the outer side of the pressure relief pipe (3-3), and the other end of the air diffusing pipe (3-5) is arranged upwards.
5. The mine pressure monitoring instrument of claim 4, wherein: the automatic pressure relief device (3) further comprises a pressing device (3-7), the pressing device (3-7) is arranged opposite to the pressure relief pipe (3-3), one end of the pressing device (3-7) is fixed on the inner circumferential surface of the pressure relief cavity (2-1), the other end of the pressing device (3-7) abuts against the counterweight (3-2), and the counterweight (3-2) is pushed to cling to the pressure relief pipe (3-3).
6. The mine pressure monitoring instrument of claim 5, wherein: the pressing device (3-7) comprises a second spring (3-8), a push rod (3-10) and two limiting plates (3-9); the two springs (3-8) are arranged opposite to the pressure relief pipe (3-3), the two springs (3-8) are horizontally arranged, one ends of the two springs (3-8) are fixedly connected with the inner circumferential surface of the pressure relief cavity (2-1), the other ends of the two springs (3-8) are fixedly connected with one ends of the push rods (3-10), the other ends of the push rods (3-10) are abutted against the counter weight (3-2), limiting plates (3-9) are arranged on the upper side and the lower side of the two springs (3-8), and the two limiting plates (3-9) are fixedly connected with the inner circumferential surface of the pressure relief cavity (2-1).
7. The mine pressure monitoring instrument of claim 6, wherein: the counterweight (3-2) is a trapezoidal block, the upper bottom of the trapezoidal block is arranged below, and the outer side surface of the inner end of the pressure relief pipe (3-3) and the other end of the push rod (3-10) are matched with the corresponding side surface of the trapezoidal block.
8. The mine pressure monitoring instrument of claim 1, wherein: when connecting pipe (6) lower extreme is equipped with the external screw thread, connecting pipe (6) lower extreme passes through plectane (8) and seals, through-hole one (8-1) have been seted up on plectane (8), pressure buffer coil pipe (5) lower extreme and through-hole one (8-1) intercommunication of plectane (8), the outer periphery lower extreme of connecting pipe (6) is equipped with the external screw thread, and connecting pipe (6) intussuseption is filled with damping two (9).
9. The mine pressure monitoring instrument of claim 1, wherein: when the lower end of the connecting pipe (6) is provided with the internal thread, the lower end of the connecting pipe (6) is sealed through the L-shaped annular plate (10), a sealed space formed among the lower end of the connecting pipe (6), the L-shaped annular plate (10) and the supporting pipe (2) is filled with the damping third (11), the internal thread is arranged on the inner circumferential surface of the L-shaped annular plate (10), the bottom surface of the L-shaped annular plate (10) is provided with a second through hole (10-1), and the lower end of the pressure buffering coil pipe (5) is communicated with the second through hole (10-1) of the L-shaped annular plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481694.XU CN210243069U (en) | 2019-09-06 | 2019-09-06 | Mine pressure monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481694.XU CN210243069U (en) | 2019-09-06 | 2019-09-06 | Mine pressure monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243069U true CN210243069U (en) | 2020-04-03 |
Family
ID=69965400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921481694.XU Expired - Fee Related CN210243069U (en) | 2019-09-06 | 2019-09-06 | Mine pressure monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608740A (en) * | 2022-03-10 | 2022-06-10 | 杨继锋 | Oil field has oil pressure seat that has manometer protect function |
| CN114623973A (en) * | 2022-03-11 | 2022-06-14 | 胡启亮 | Instrument oil pressure seat with automatic pressure relief function for oil field |
| CN116499635A (en) * | 2023-04-25 | 2023-07-28 | 重庆昆仑仪表有限公司 | Antidetonation stainless steel manometer |
-
2019
- 2019-09-06 CN CN201921481694.XU patent/CN210243069U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608740A (en) * | 2022-03-10 | 2022-06-10 | 杨继锋 | Oil field has oil pressure seat that has manometer protect function |
| CN114623973A (en) * | 2022-03-11 | 2022-06-14 | 胡启亮 | Instrument oil pressure seat with automatic pressure relief function for oil field |
| CN116499635A (en) * | 2023-04-25 | 2023-07-28 | 重庆昆仑仪表有限公司 | Antidetonation stainless steel manometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210243069U (en) | Mine pressure monitoring instrument | |
| CN205901121U (en) | Box -type substation vibration damping mount | |
| CN201835397U (en) | TMD (tuned mass damper) device | |
| CN103195168A (en) | Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring | |
| CN204226543U (en) | Bilateral limited space is from trigger type three-dimensional isolation pedestal | |
| CN105889386B (en) | A kind of dry friction type three-dimensional vibration isolation buffer for resisting strong impact | |
| CN106185532B (en) | Buffer of elevator | |
| CN109113407A (en) | A kind of multidimensional with anti-pull-out property is every vibration absorber and its every oscillation damping method | |
| CN211525857U (en) | Cabinet base for shock absorption | |
| CN212225628U (en) | Energy accumulator | |
| CN104019169B (en) | The limit-type vibration damper of a kind of parallel connection based on flat spring | |
| CN208505187U (en) | A kind of height measuring device | |
| CN204784377U (en) | Friction damping reducer | |
| CN208733693U (en) | A kind of damping type building | |
| CN107504125A (en) | A kind of plant equipment damping device | |
| CN203560206U (en) | Adjustable pressure measuring damping device based on principles of damping and differential motion | |
| CN205954905U (en) | Vibration -damping protector for guyed curtain walls | |
| CN209559242U (en) | A kind of sensor with anti-collision | |
| CN208673892U (en) | Transformer damped noise reduction device | |
| CN204573219U (en) | safety valve mechanical damper | |
| CN110847407A (en) | Steel construction building with shock resistance | |
| CN108589800B (en) | Basic earthquake-resistant structure of building engineering | |
| CN208076010U (en) | A kind of protective device of weighing sensor | |
| CN109783281A (en) | A kind of combined test stand pedestal for computer hardware development | |
| CN209261311U (en) | A kind of multidimensional with anti-pull-out property is every vibration absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20200906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |