CN114636511B - Vacuum pressure instrument - Google Patents
Vacuum pressure instrument Download PDFInfo
- Publication number
- CN114636511B CN114636511B CN202210134994.0A CN202210134994A CN114636511B CN 114636511 B CN114636511 B CN 114636511B CN 202210134994 A CN202210134994 A CN 202210134994A CN 114636511 B CN114636511 B CN 114636511B
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- China
- Prior art keywords
- negative pressure
- fixedly connected
- piston
- tube
- rubber
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of instruments, in particular to a vacuum pressure instrument which comprises a carrier mechanism, a negative pressure fixing mechanism, a vacuum pressure display mechanism and an ash removing mechanism; the vacuum pressure display mechanism is arranged in the negative pressure fixing mechanism, the ash removing mechanism is arranged below the vacuum pressure display mechanism and is also arranged in the negative pressure fixing mechanism, and a high-pressure spray head in the ash removing mechanism is fixedly connected with one end of a sliding rail in the carrying platform mechanism; the carrying platform mechanism can transport the fire-fighting water pipe that needs to be detected, makes connector and rubber circle align, and convenient connection, negative pressure mechanism can external aspirator form negative pressure effect for the fire-fighting water pipe, and the suction that causes can make fire-fighting water pipe and negative pressure union coupling, and vacuum pressure shows that mechanism can adjust the height of black liquid oil in the space through the effect of vacuum pressure, and ash removal mechanism can spout the dust in the spout.
Description
Technical Field
The invention relates to the technical field of instruments, in particular to a vacuum pressure instrument.
Background
The vacuum pressure gauge is used for measuring the pressure of the liquid and the gas, and is used for measuring the pressure of the liquid and the gas which have no corrosion to steel, copper and copper alloy, no explosion danger, no crystallization and no solidification.
The vacuum pressure instrument can measure the negative pressure height in a space, can regard as the instrument of a detection manufacturing spare for detect the inside negative pressure ability of manufacturing spare, fire hose is as fire control safety product, the quality is very strict to control, need have good negative pressure ability, so need carry out negative pressure detection after having manufactured fire hose, the instrumentation structure on the market is complicated now, the cost is high, and install instrumentation is complicated to the process on the fire hose, moreover because fire hose itself weight is heavier, need remove the fire hose through the slide rail when installing instrumentation, the fire hose of new production has some piece, the piece can block up the slide rail in the removal process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a vacuum pressure instrument.
The technical scheme adopted for solving the technical problems is as follows: a vacuum pressure instrument comprises a carrier mechanism, a negative pressure fixing mechanism, a vacuum pressure display mechanism and an ash removing mechanism; the vacuum pressure display device is characterized in that the negative pressure fixing mechanism is fixedly connected to the carrying platform mechanism, the vacuum pressure display mechanism is arranged in the negative pressure fixing mechanism, the ash removing mechanism is arranged below the vacuum pressure display mechanism and is also arranged in the negative pressure fixing mechanism, and the high-pressure spray head in the ash removing mechanism is fixedly connected to one end of the sliding rail in the carrying platform mechanism.
Preferably, the workbench is fixedly connected with a bottom plate, a chute is arranged on the bottom plate, an ash outlet is formed in one side of the chute, a pulley is arranged in the chute, the pulley is in sliding connection with the chute, the pulley is movably connected with the lower end of the supporting rod, the upper end of the supporting rod is fixedly welded with the bracket, a fire-fighting water pipe is placed on the bracket, and one end of the fire-fighting water pipe is fixedly connected with the connector.
Preferably, the negative pressure fixing mechanism comprises a negative pressure pipe, the negative pressure pipe is fixedly connected to a tripod, the tripod is fixedly welded to the workbench, a first rubber piston is arranged in the negative pressure pipe, the first rubber piston is in sliding connection with the inner wall of the negative pressure pipe, one side of the first rubber piston is fixedly connected with a connecting block, one end of the connecting block is fixedly connected with one end of a reset spring, the other end of the reset spring is fixedly connected to the inner wall of the negative pressure pipe, two ends of the connecting block are fixedly connected with connecting rods, the other ends of the connecting rods are movably connected with rollers, the rollers are in sliding connection with sliding rails, and the sliding rails are fixedly connected to the inner wall of the negative pressure pipe.
Preferably, the negative pressure fixing mechanism further comprises a damping structure, the damping structure is arranged between the sliding rail and the first rubber piston, the damping structure is fixedly connected with the inner wall of the negative pressure pipe, a fixing block in the damping structure is fixedly connected with the inner wall of the negative pressure pipe, the fixing block is slidably connected with a T-shaped rod, a damping spring is nested on the T-shaped rod, the damping spring is arranged between the fixing block and the rubber pad, and the top end of the rubber pad is fixedly connected with the rubber pad.
Preferably, the negative pressure fixing mechanism further comprises a steel ring, the steel ring is fixedly welded at one end of the negative pressure pipe, a rubber ring is fixedly connected to the steel ring, grooves are formed in the steel ring and the rubber ring, connecting pipes are used for communicating the grooves, an air suction pipe is connected to the grooves, the air suction pipe is communicated with an air suction hole, and the air suction hole is fixedly connected to the outer wall of the negative pressure pipe.
Preferably, the vacuum pressure display mechanism comprises a first push-pull rod, one end of the first push-pull rod is fixedly connected with a first rubber piston, the other end of the first push-pull rod extends into a first piston tube, the side wall of the first piston tube is fixedly connected onto the inner wall of the negative pressure tube, a second rubber piston is arranged in the first piston tube and is in sliding connection with the inner wall of the first piston tube, the first push-pull rod is fixedly connected with the second rubber piston, a tension spring is fixedly connected to the bottom of the first piston tube, and black liquid oil is contained in the first piston tube.
Preferably, the vacuum pressure display mechanism further comprises a liquid guide tube, the liquid guide tube is used for communicating the first piston tube with the gap, the gap is formed in the glass tube, a graduated scale is arranged on one side of the gap, the graduated scale is also arranged in the glass tube, and the glass tube is fixedly connected to the outer wall of the negative pressure tube.
Preferably, the ash removal mechanism comprises a second push-pull rod, one end of the second push-pull rod is fixedly connected with a first rubber piston, the other end of the second push-pull rod extends into a second piston tube, the second push-pull rod is movably connected with a fixing frame, the second piston tube is fixed on the inner wall of a negative pressure tube, a third rubber piston is arranged in the second piston tube, the third rubber piston is in sliding connection with the inner wall of the second piston tube, the second push-pull rod is fixedly connected with the third rubber piston, a shock absorption spring is arranged at the bottom of the second piston tube, one end of the shock absorption spring, which is far away from the bottom of the second piston tube, is fixedly connected with a rubber pad, an air outlet tube is used between the second piston tube and a high-pressure nozzle, the air outlet tube is connected with the air chamber, the third rubber piston is arranged in the air chamber, the third rubber piston is in sliding connection with the inner wall of the air chamber, the upper end of the third rubber piston is fixedly connected with a deformation spring, the spring is fixedly connected with the inner wall of the air chamber, one side of the air outlet tube is provided with an air outlet hole, and the air outlet is fixedly connected with a high-pressure nozzle.
The invention has the beneficial effects that:
(1) In the vacuum pressure instrument and the carrying platform mechanism, a user places a fire-fighting water pipe to be measured on the bracket and then slides the bracket leftwards, and the connector on the fire-fighting water pipe can be just attached to the rubber ring on the negative pressure pipe because the height of the bracket is designed.
(2) In the vacuum pressure instrument, in the negative pressure fixing mechanism, suction force generated in the air suction pipe is transmitted into the groove and then transmitted into other grooves through the connecting pipe, and the cross section of the connecting head is contacted with the rubber ring, so that the negative pressure is formed between the groove and the cross section of the connecting head, the connecting head is adsorbed on the rubber ring, and the negative pressure pipe is tightly connected with the fire-fighting water pipe.
(3) In the vacuum pressure instrument, when the negative pressure of the inner wall of the fire-fighting water pipe is larger and larger, the first rubber piston drives the first push-pull rod and the second rubber piston to extrude more black liquid oil in the first piston pipe, the more the extruded black liquid oil reaches a gap, the higher the liquid level of the black liquid oil in the glass pipe is, and the larger the negative pressure in the fire-fighting water pipe is reflected.
(4) According to the vacuum pressure instrument, in the ash removing mechanism, the second push-pull rod slides rightwards to drive the third rubber piston to slide rightwards in the second piston pipe, the third rubber piston can extrude right air when sliding rightwards, the air is extruded and then is sprayed out from the air outlet pipe to the high-pressure spray head, and scraps in the chute are sprayed out from the ash outlet, so that the newly produced fire-fighting water pipe can generate scraps to block the chute when being placed on the bracket.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure in the negative pressure pipe;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
FIG. 4 is an enlarged schematic view of FIG. 2B;
FIG. 5 is an enlarged schematic view of FIG. 2 at C;
FIG. 6 is an enlarged schematic view of FIG. 2 at D;
FIG. 7 is an enlarged schematic view of FIG. 2 at E;
FIG. 8 is a schematic view of the connection structure of the rubber ring, the groove and the connecting pipe;
FIG. 9 is a schematic view of a rubber ring and groove connection structure;
FIG. 10 is a schematic view of the connection structure of the steel ring, the rubber ring, the air suction pipe and the groove;
in the figure: 1. a stage mechanism; 11. a work table; 12. a bottom plate; 13. a chute; 14. an ash outlet; 15. a pulley; 16. a support rod; 17. a bracket; 18. a fire hose; 19. a connector; 2. a negative pressure fixing mechanism; 21. a negative pressure pipe; 22. a tripod; 23. a first rubber piston; 24. a connecting block; 25. a return spring; 26. a slide rail; 27. a roller; 28. a connecting rod; 29. a shock absorbing structure; 291. a T-bar; 292. a fixed block; 293. a damping spring; 294. a rubber pad; 210. a steel ring; 211. an air suction hole; 212. an air suction pipe; 213. a rubber ring; 214. a groove; 215. a connecting pipe; 3. a vacuum pressure display mechanism; 31. a first push-pull rod; 32. a first piston tube; 33. a second rubber piston; 34. a tension spring; 35. a catheter; 36. a glass tube; 37. a graduated scale; 38. black liquid oil; 39. a void; 4. an ash removing mechanism; 41. a second push-pull rod; 42. a fixing frame; 43. a second piston tube; 44. a rubber pad; 45. a damping spring; 46. an air outlet pipe; 47. a high pressure nozzle; 48. a third rubber piston; 49. a gas storage chamber; 410. a deformation spring; 411. a third rubber piston; 412. and an air outlet hole.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 10, the vacuum pressure instrument comprises a carrying platform mechanism 1, a negative pressure fixing mechanism 2, a vacuum pressure display mechanism 3 and an ash removing mechanism 4; the negative pressure fixing mechanism 2 is fixedly connected to the carrying platform mechanism 1, the vacuum pressure display mechanism 3 is arranged in the negative pressure fixing mechanism 2, the ash removing mechanism 4 is arranged below the vacuum pressure display mechanism 3, the ash removing mechanism 4 is also arranged in the negative pressure fixing mechanism 2, and a high-pressure spray head 47 in the ash removing mechanism 4 is fixedly connected to one end of a sliding rail 13 in the carrying platform mechanism 1; the carrying platform mechanism 1 can convey the fire-fighting water pipe 18 to be detected, the connector 19 is aligned with the rubber ring 213, connection is convenient, the negative pressure mechanism 2 can be externally connected with an air suction machine to form a negative pressure effect on the fire-fighting water pipe 18, the fire-fighting water pipe 18 can be connected with the negative pressure pipe 21 by the suction force, the vacuum pressure display mechanism 3 can adjust the height of the black liquid oil 38 in the gap 39 under the action of vacuum pressure, the magnitude of the vacuum pressure is fed back, and the ash removing mechanism 4 can spray ash in the chute 13.
Specifically, the workbench 11 is fixedly connected with the bottom plate 12, the bottom plate 12 is provided with a chute 13, one side of the chute 13 is provided with an ash outlet 14, a pulley 15 is arranged in the chute 13, the pulley 15 is in sliding connection with the chute 13, the pulley 15 is movably connected with the lower end of a supporting rod 16, the upper end of the supporting rod 16 is fixedly welded with a bracket 17, a fire-fighting water pipe 18 is placed on the bracket 17, and one end of the fire-fighting water pipe 18 is fixedly connected with a connector 19; the fire-fighting water pipe 18 to be detected is placed on the bracket 17, the right end of the fire-fighting water pipe 18 is closed, then the bracket 17 is slid leftwards, the pulley 15 slides leftwards in the chute 13, the bracket 17 drives the fire-fighting water pipe 18 to slide leftwards, and then the connector 19 on the fire-fighting water pipe 18 stops sliding after contacting the rubber ring 213.
Specifically, the negative pressure fixing mechanism 2 comprises a negative pressure pipe 21, the negative pressure pipe 21 is fixedly connected to a tripod 22, the tripod 22 is fixedly welded to the workbench 11, a first rubber piston 23 is arranged in the negative pressure pipe 21, the first rubber piston 23 is in sliding connection with the inner wall of the negative pressure pipe 21, one side of the first rubber piston 23 is fixedly connected with a connecting block 24, one end of the connecting block 24 is fixedly connected with one end of a return spring 25, the other end of the return spring 25 is fixedly connected to the inner wall of the negative pressure pipe 21, two ends of the connecting block 24 are fixedly connected with connecting rods 28, the other end of the connecting rod 28 is movably connected with a roller 27, the roller 27 is in sliding connection with a sliding rail 26, the sliding rail 26 is fixedly connected to the inner wall of the negative pressure pipe 21, a damping structure 29 is arranged between the sliding rail 26 and the first rubber piston 23, the damping structure 29 is fixedly connected to the inner wall of the negative pressure pipe 21, a fixed block 292 in the damping structure 29 is fixedly connected to the inner wall of the negative pressure pipe 21, the fixed block 292 is in sliding connection with a T-shaped rod 291, a damping spring 293 is nested on the T-shaped rod 291, the damping spring 293 is arranged between the fixed block 292 and a rubber pad 294, the top end of the rubber pad 294 is fixedly connected with the rubber pad 294, a steel ring 210 is fixedly welded to one end of the negative pressure pipe 21, a rubber ring 213 is fixedly connected to the steel ring 210, grooves 214 are formed in the steel ring 210 and the rubber ring 213, the grooves 214 are communicated by using connecting pipes 215, an air suction pipe 212 is connected to the grooves 214, the air suction pipe 212 is communicated with an air suction hole 211, and the air suction hole 211 is fixedly connected to the outer wall of the negative pressure pipe 21; when the connector 19 is contacted with the rubber ring 213, an external aspirator is started to inhale from the aspirator hole 211, suction generated in the aspirator tube 212 is transmitted into the groove 214 and then is transmitted into other grooves 214 through the connecting tube 215, because the cross section of the connector 19 is contacted with the rubber ring 213, the connector 19 is adsorbed on the rubber ring 213, at the moment, the negative pressure tube 21 is tightly connected with the fire-fighting water tube 18, the aspirator can produce negative pressure effect in the negative pressure tube 21 and the fire-fighting water tube 18 when inhaling from the aspirator hole 211, the negative pressure degree born by the fire-fighting water tube 18 can be monitored, the aspirator continuously works, the negative pressure in the fire-fighting water tube 18 slowly rises, the first rubber piston 23 slides to the right in the negative pressure tube 21, the connecting block 24 connected with the first rubber piston 23 drives the connecting rod 28 and the roller 27 to move to the right, meanwhile, the reset spring 25 stretches, at the moment, the reset spring 25 contracts, the first rubber piston 23 is pulled to slide to the left to reset, and the connecting block 24 drives the connecting rod 28 and the roller 27 to move to the left to reset after the measurement is finished.
Specifically, the vacuum pressure display mechanism 3 includes a first push-pull rod 31, one end of the first push-pull rod 31 is fixedly connected with a first rubber piston 23, the other end of the first push-pull rod 31 extends into a first piston tube 32, a side wall of the first piston tube 32 is fixedly connected to an inner wall of the negative pressure tube 21, a second rubber piston 33 is disposed in the first piston tube 32, the second rubber piston 33 is slidably connected to the inner wall of the first piston tube 32, the first push-pull rod 31 is fixedly connected with the second rubber piston 33, a tension spring 34 is fixedly connected to the bottom of the first piston tube 32, black liquid 38 is contained in the first piston tube 32, a catheter 35 communicates the first piston tube 32 with a gap 39, the gap 39 is disposed in a glass tube 36, a scale 37 is disposed on one side of the gap 39 and is also disposed in the glass tube 36, and the glass tube 36 is fixedly connected to an outer wall of the negative pressure tube 21; when the first rubber piston 23 slides rightwards to drive the first push-pull rod 31 to move rightwards, the first push-pull rod 31 moves rightwards to drive the second rubber piston 33 to slide rightwards in the first piston tube 32, the black liquid oil 38 on the right side of the second rubber piston 33 can be extruded in the process that the second rubber piston 33 slides rightwards, meanwhile, the second rubber piston 33 compresses the tension spring 34, the black liquid oil 38 is extruded and then enters a gap 39 in the glass tube 36 from the liquid guide tube 35, the page of the black liquid oil 38 is continuously raised, when the negative pressure in the fire-fighting water tube 18 is higher, the more the first rubber piston 23 slides rightwards, the more the first rubber piston 33 is driven by the first push-pull rod 31 to slide rightwards, the more the extruded black liquid oil 38 is driven by the first rubber piston 33, so that the liquid level of the black liquid oil 38 in the glass tube 36 can be higher, a specific numerical value can be read out by a scale 37 in the glass tube 36, and monitoring data of the measured fire-fighting water tube 18 can be displayed.
Specifically, the ash removal mechanism 4 includes a second push-pull rod 41, one end of the second push-pull rod 41 is fixedly connected with the first rubber piston 23, the other end of the second push-pull rod 41 extends into the second piston tube 43, the second push-pull rod 41 is movably connected with the fixing frame 42, the second piston tube 43 is fixed on the inner wall of the negative pressure tube 21, a third rubber piston 48 is arranged in the second piston tube 43, the third rubber piston 48 is slidably connected with the inner wall of the second piston tube 43, the second push-pull rod 41 is fixedly connected with the third rubber piston 48, the bottom of the second piston tube 43 is provided with a shock spring 45, one end of the shock spring 45 far away from the bottom of the second piston tube 43 is fixedly connected with a rubber pad 44, the second piston tube 43 is communicated with the high pressure nozzle 47 by using an air outlet tube 46, the air outlet tube 46 is connected with an air storage chamber 49, a third rubber piston 411 is arranged in the second piston tube 43, the third piston 411 is slidably connected with the inner wall of the air storage chamber 49, the third piston is slidably connected with the air outlet tube 412 is fixedly connected with the air outlet tube 49, the air outlet tube is fixedly connected with the air outlet tube 47, the air outlet tube is fixedly connected with the air outlet hole 410, and the air outlet hole 410 is fixedly connected with the air outlet hole 410; the first rubber piston 23 slides rightwards to drive the second push-pull rod 41 to slide rightwards in the fixing frame 42, the second push-pull rod 41 slides rightwards to drive the third rubber piston 48 to slide rightwards in the second piston tube 43, when the third rubber piston 48 slides rightwards, air on the right side is extruded and then reaches the air storage chamber 49 from the air outlet tube 46, when the compressed air in the air storage chamber 49 increases, the third rubber piston 411 slides downwards, the deformation spring 410 stretches, when the third rubber piston 411 slides to the air outlet hole 412, compressed air is instantaneously discharged from the air outlet hole 412 to the high-pressure spray head 47, and then is sprayed out from the high-pressure spray head 47 to spray chips in the chute 13 out of the ash outlet 14, because when a newly produced fire-fighting water tube 18 is placed on the bracket 17, the chips are generated to block the chute 13, when the third rubber piston 48 slides to the rightmost end in the second piston tube 43, the rubber cushion 44 compresses the cushioning spring 45 to form a shock absorption function, the third rubber piston 48 and the second piston tube 43 are protected, and when the first piston 23 slides leftwards, the third rubber piston 41 is driven to reset.
When the invention is used, firstly, the fire-fighting water pipe 18 to be detected is placed on the bracket 17, the right end of the fire-fighting water pipe 18 is closed, then the bracket 17 is slid leftwards, the pulley 15 slides leftwards in the chute 13, the bracket 17 drives the fire-fighting water pipe 18 to slide leftwards, then the connector 19 on the fire-fighting water pipe 18 stops sliding after contacting the rubber ring 213, when the connector 19 contacts the rubber ring 213, an external aspirator is started to inhale from the aspirator hole 211, the suction generated in the aspirator 212 is transmitted into the groove 214, and then is transmitted into other grooves 214 through the connecting pipe 215, because the cross section of the connector 19 contacts the rubber ring 213, the connector 19 is adsorbed on the rubber ring 213, at this time, the negative pressure pipe 21 is tightly connected with the fire-fighting water pipe 18, the aspirator inhales from the aspirator hole 211 and simultaneously generates negative pressure effect on the negative pressure pipe 21 and the fire-fighting water pipe 18, the vacuum degree born by the fire-fighting water pipe 18 can be monitored, the aspirator continuously works, the vacuum in the fire-fighting water pipe 18 slowly rises, the first rubber piston 23 slides rightward in the vacuum pipe 21, the connecting block 24 connected with the first rubber piston 23 drives the connecting rod 28 and the roller 27 to move rightward, meanwhile, the return spring 25 stretches, when the first rubber piston 23 slides rightward to drive the first push-pull rod 31 to move rightward, the first push-pull rod 31 moves rightward to drive the second rubber piston 33 to slide rightward in the first piston pipe 32, the black liquid oil 38 on the right side of the second rubber piston 33 is extruded in the process of sliding the second rubber piston 33 rightward, meanwhile, the second rubber piston 33 compresses the tension spring 34, the black liquid oil 38 enters the gap 39 in the glass pipe 36 from the liquid guide pipe 35 after being extruded, and the page of the black liquid oil 38 continuously rises, when the vacuum in the fire-fighting water pipe 18 is higher, the more the first rubber piston 23 slides rightwards, the more the first push-pull rod 31 drives the second rubber piston 33 to slide rightwards, the more the black liquid oil 38 is extruded, so the higher the liquid level of the black liquid oil 38 in the glass tube 36 is, the specific numerical value can be read out by the graduated scale 37 in the glass tube 36, the monitoring data of the measured fire fighting water tube 18 can be displayed, the first rubber piston 23 slides rightwards to drive the second push-pull rod 41 to slide rightwards in the fixing frame 42, the second push-pull rod 41 slides rightwards to drive the third rubber piston 48 to slide rightwards in the second piston tube 43, the air on the right side is extruded when the third rubber piston 48 slides rightwards, the air is extruded to reach the air storage chamber 49 from the air outlet pipe 46, when the compressed air in the air storage chamber 49 is increased, the third rubber piston 411 slides downwards, the deformation spring 410 stretches, when the third rubber piston 411 slides to the air outlet hole 412, compressed air is instantaneously discharged from the air outlet hole 412 to the high-pressure spray head 47, and then is sprayed from the high-pressure spray head 47, chips in the chute 13 are sprayed from the ash outlet 14, because chips can be generated to block the chute 13 when the newly produced fire-fighting water pipe 18 is placed on the bracket 17, the third rubber piston 48 contacts the rubber pad 44 when sliding to the rightmost end in the second piston pipe 43, the rubber pad 44 compresses the cushioning spring 45 to form a damping effect, the third rubber piston 48 and the second piston pipe 43 are protected, when the measurement is finished, the air suction machine is disconnected, the return spring 25 is contracted at the moment, the first rubber piston 23 is pulled to slide and reset, the connecting block 24 drives the connecting rod 28 and the roller 27 to move and reset to the left, when the first rubber piston 23 is reset to the left, the first push-pull rod 31 moves to the left, the first push-pull rod 31 moves leftwards to drive the second rubber piston 33 to slide leftwards in the first piston tube 32, at the moment, the tension spring 34 stretches, the second rubber piston 33 has suction force on the right side, black liquid oil 38 in the glass tube 36 flows back into the first piston tube 32, the liquid level of the black liquid oil 38 in the glass tube 36 is reset, and when the first rubber piston 23 slides leftwards, the second push-pull rod 41 drives the third rubber piston 48 to slide leftwards to reset.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A vacuum pressure gauge, characterized by: comprises a carrying platform mechanism (1), a negative pressure fixing mechanism (2), a vacuum pressure display mechanism (3) and an ash removing mechanism (4); the vacuum pressure display device is characterized in that the negative pressure fixing mechanism (2) is fixedly connected to the carrying platform mechanism (1), the vacuum pressure display mechanism (3) is arranged in the negative pressure fixing mechanism (2), the ash removing mechanism (4) is arranged below the vacuum pressure display mechanism (3), the ash removing mechanism (4) is also arranged in the negative pressure fixing mechanism (2), and a high-pressure spray head (47) in the ash removing mechanism (4) is fixedly connected to one end of a chute (13) in the carrying platform mechanism (1);
the carrying platform mechanism (1) comprises a workbench (11), a bottom plate (12) is fixedly connected to the workbench (11), a chute (13) is arranged on the bottom plate (12), an ash outlet (14) is formed in one side of the chute (13), a pulley (15) is arranged in the chute (13), the pulley (15) is in sliding connection with the chute (13), the pulley (15) is movably connected with the lower end of a supporting rod (16), the upper end of the supporting rod (16) is fixedly welded with a bracket (17), a fire-fighting water pipe (18) is arranged on the bracket (17), and a connector (19) is fixedly connected with one end of the fire-fighting water pipe (18);
the negative pressure fixing mechanism (2) comprises a negative pressure pipe (21), the negative pressure pipe (21) is fixedly connected to a tripod (22), the tripod (22) is fixedly welded to the workbench (11), a first rubber piston (23) is arranged in the negative pressure pipe (21), the first rubber piston (23) is in sliding connection with the inner wall of the negative pressure pipe (21), one side of the first rubber piston (23) is fixedly connected with a connecting block (24), one end of the connecting block (24) is fixedly connected with one end of a return spring (25), the other end of the return spring (25) is fixedly connected to the inner wall of the negative pressure pipe (21), connecting rods (28) are fixedly connected to two ends of the connecting block (24), the other end of the connecting rods (28) is movably connected with a roller (27), the roller (27) is in sliding connection with a sliding rail (26), and the sliding rail (26) is fixedly connected to the inner wall of the negative pressure pipe (21).
The negative pressure fixing mechanism (2) further comprises a steel ring (210), the steel ring (210) is fixedly welded at one end of the negative pressure pipe (21), a rubber ring (213) is fixedly connected to the steel ring (210), grooves (214) are formed in the steel ring (210) and the rubber ring (213), the grooves (214) are communicated through connecting pipes (215), an air suction pipe (212) is connected to the grooves (214), the air suction pipe (212) is communicated with an air suction hole (211), and the air suction hole (211) is fixedly connected to the outer wall of the negative pressure pipe (21);
the vacuum pressure display mechanism (3) comprises a first push-pull rod (31), one end of the first push-pull rod (31) is fixedly connected with a first rubber piston (23), the other end of the first push-pull rod (31) extends into a first piston tube (32), the side wall of the first piston tube (32) is fixedly connected to the inner wall of the negative pressure tube (21), a second rubber piston (33) is arranged in the first piston tube (32), the second rubber piston (33) is in sliding connection with the inner wall of the first piston tube (32), the first push-pull rod (31) is fixedly connected with the second rubber piston (33), a tension spring (34) is fixedly connected to the bottom of the first piston tube (32), and black liquid oil (38) is contained in the first piston tube (32);
the vacuum pressure display mechanism (3) further comprises a liquid guide tube (35), the liquid guide tube (35) is used for communicating the first piston tube (32) with a gap (39), the gap (39) is formed in a glass tube (36), a graduated scale (37) is arranged on one side of the gap (39), the graduated scale (37) is also arranged in the glass tube (36), and the glass tube (36) is fixedly connected to the outer wall of the negative pressure tube (21);
the ash removal mechanism (4) comprises a second push-pull rod (41), one end of the second push-pull rod (41) is fixedly connected with a first rubber piston (23), the other end of the second push-pull rod (41) extends into a second piston tube (43), the second push-pull rod (41) is movably connected with a fixing frame (42), the second piston tube (43) is fixed on the inner wall of the negative pressure tube (21), a third rubber piston (48) is arranged in the second piston tube (43), the third rubber piston (48) is in sliding connection with the inner wall of the second piston tube (43), the second push-pull rod (41) is fixedly connected with the third rubber piston (48), a cushioning spring (45) is arranged at the bottom of the second piston tube (43), one end of the cushioning spring (45) far away from the bottom of the second piston tube (43) is fixedly connected with a rubber pad (44), a third rubber piston (46) is used between the second piston tube (43) and a high-pressure nozzle (47), the third air outlet tube (46) is in sliding connection with a third rubber piston (411), the third air chamber (49) is fixedly connected with an air storage chamber (49), deformation spring (410) fixed connection is in on the inner wall of air storage chamber (49), venthole (412) have been seted up to one side of air storage chamber (49), venthole (412) with outlet duct (46) intercommunication, high-pressure nozzle (47) fixed connection is in spout (13), high-pressure nozzle (47) orientation ash hole (14).
2. A vacuum pressure gauge as claimed in claim 1, wherein: negative pressure fixed establishment (2) still includes shock-absorbing structure (29), shock-absorbing structure (29) set up between slide rail (26) and first rubber piston (23), shock-absorbing structure (29) fixed connection is in negative pressure pipe (21) inner wall, fixed block (292) fixed connection in shock-absorbing structure (29) are in negative pressure pipe (21) inner wall, fixed block (292) and T shape pole (291) sliding connection, the nest has damping spring (293) on T shape pole (291), damping spring (293) are in between fixed block (292) and rubber pad (294), rubber pad (294) top fixedly connected with rubber pad (294).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134994.0A CN114636511B (en) | 2022-02-14 | 2022-02-14 | Vacuum pressure instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210134994.0A CN114636511B (en) | 2022-02-14 | 2022-02-14 | Vacuum pressure instrument |
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| CN114636511B true CN114636511B (en) | 2024-03-01 |
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| CN212363548U (en) * | 2020-04-30 | 2021-01-15 | 北京送变电有限公司 | Vacuum degree detection device and air exhaust system |
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| CN212363548U (en) * | 2020-04-30 | 2021-01-15 | 北京送变电有限公司 | Vacuum degree detection device and air exhaust system |
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| CN114636511A (en) | 2022-06-17 |
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Effective date of registration: 20240119 Address after: 610000 Fanjiang South Road, Tianpeng Town, Pengzhou City, Chengdu, Sichuan Province Applicant after: SICHUAN CHUANFU INSTRUMENT Co.,Ltd. Address before: 430080 1401, building 6, Guangming community, metallurgical Avenue, Qingshan District, Wuhan City, Hubei Province Applicant before: Chen Hui |
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