CN114636511A - Vacuum pressure instrument - Google Patents

Vacuum pressure instrument Download PDF

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Publication number
CN114636511A
CN114636511A CN202210134994.0A CN202210134994A CN114636511A CN 114636511 A CN114636511 A CN 114636511A CN 202210134994 A CN202210134994 A CN 202210134994A CN 114636511 A CN114636511 A CN 114636511A
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CN
China
Prior art keywords
pipe
negative pressure
piston
fixedly connected
rubber
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Granted
Application number
CN202210134994.0A
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Chinese (zh)
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CN114636511B (en
Inventor
陈辉
王若榆
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Sichuan Chuanfu Instrument Co ltd
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Individual
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Priority to CN202210134994.0A priority Critical patent/CN114636511B/en
Publication of CN114636511A publication Critical patent/CN114636511A/en
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Publication of CN114636511B publication Critical patent/CN114636511B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details 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
    • G01L19/06Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details 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
    • G01L19/08Means for indicating or recording, e.g. for remote indication
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention relates to the technical field of instruments, in particular to a vacuum pressure instrument, which comprises a carrying platform mechanism, a negative pressure fixing mechanism, a vacuum pressure display mechanism and an ash removal mechanism, wherein the carrying platform mechanism is arranged on the carrying platform mechanism; the negative pressure fixing mechanism is fixedly connected to the carrier mechanism, the vacuum pressure display mechanism is arranged in the negative pressure fixing mechanism, the ash removal mechanism is arranged below the vacuum pressure display mechanism and also arranged in the negative pressure fixing mechanism, and a high-pressure spray head in the ash removal mechanism is fixedly connected to one end of a slide rail in the carrier mechanism; the platform deck mechanism can transport the fire hose that needs are detected, makes connector and rubber circle align, and convenient the connection, negative pressure mechanism can external aspirator form the negative pressure effect for fire hose, and the suction that causes can make fire hose and negative pressure union coupling, and vacuum pressure display mechanism can be through the effect height of adjusting black liquid oil in the space of vacuum pressure, and the ash bits in the spout can be spouted to the deashing mechanism.

Description

Vacuum pressure instrument
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 an instrument which is lower than the atmospheric pressure and is used for measuring the negative pressure of liquid and gas which have no corrosion effect on steel, copper and copper alloy, have no explosion danger and are not crystallized or solidified.
Vacuum pressure instrument can survey the negative pressure height in a space, can regard as an instrument that detects the manufacturing, be used for detecting the inside negative pressure ability of manufacturing, fire hose is as fire control safety product, the quality is very strict to the accuse, need have good negative pressure ability, so need carry out the negative pressure after having made fire hose and detect, the instrumentation structure on the present market is complicated, the cost is high, and install the process on fire hose with instrumentation complicated, and because fire hose weight is heavier, need remove fire hose through the slide rail when installing instrumentation, newly-produced fire hose has some pieces, remove in-process piece and can block up the slide rail.
Disclosure of Invention
The invention provides a vacuum pressure instrument aiming at the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vacuum pressure instrument comprises a carrying platform mechanism, a negative pressure fixing mechanism, a vacuum pressure display mechanism and an ash removal mechanism; the negative pressure fixing mechanism is fixedly connected to the carrier mechanism, the vacuum pressure display mechanism is arranged in the negative pressure fixing mechanism, the ash removal mechanism is arranged below the vacuum pressure display mechanism and also arranged in the negative pressure fixing mechanism, and a high-pressure spray head in the ash removal mechanism is fixedly connected to one end of a slide rail in the carrier mechanism.
Preferably, fixedly connected with bottom plate on the workstation, be provided with the spout on the bottom plate, the ash hole has been seted up to one side of spout, be provided with the pulley in the spout, the pulley with spout sliding connection, pulley and branch lower extreme swing joint, branch upper end and bracket fixed weld, placed fire-fighting water pipe on the bracket, fire-fighting water pipe's one end fixedly connected with connector.
Preferably, negative pressure fixed establishment includes the negative pressure pipe, negative pressure pipe fixed connection is on the tripod, the tripod fixed welding is in on the workstation, be provided with first rubber piston in the negative pressure pipe, first rubber piston with negative pressure pipe inner wall sliding connection, one side fixedly connected with connecting block of first rubber piston, connecting block and reset spring's one end fixed connection, reset spring's other end fixed connection be in on the inner wall of negative pressure pipe, connecting block both ends fixedly connected with connecting rod, the other end and the gyro wheel swing joint of connecting rod, gyro wheel and slide rail sliding connection, slide rail fixed connection be in on the inner wall of negative pressure pipe.
Preferably, negative pressure fixed establishment still includes shock-absorbing structure, shock-absorbing structure sets up between slide rail and the first rubber piston, shock-absorbing structure fixed connection be in the negative pressure inside pipe wall, fixed block fixed connection in the shock-absorbing structure is in the negative pressure inside pipe wall, fixed block and T shape pole sliding connection, the nested damping spring that has on the T shape pole, damping spring is in between fixed block and the rubber pad, rubber pad top fixedly connected with 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 and communicated with air suction holes, and the air suction holes are 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 the first piston tube, the side wall of the first piston tube is fixedly connected to the inner wall of the negative pressure tube, a second rubber piston is arranged in the first piston tube, the second rubber piston is slidably connected 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 pipe, the liquid guide pipe communicates the first piston pipe with the gap, the gap is arranged in the glass pipe, a graduated scale is arranged on one side of the gap, the graduated scale is also arranged in the glass pipe, and the glass pipe is fixedly connected to the outer wall of the negative pressure pipe.
Preferably, the ash removing mechanism comprises a second push-pull rod, one end of the second push-pull rod is fixedly connected with the first rubber piston, the other end of the second push-pull rod extends into the second piston tube, the second push-pull rod is movably connected with the fixing frame, the second piston tube is fixed on the inner wall of the negative pressure tube, a third rubber piston is arranged in the second piston tube, the third rubber piston is slidably connected with the inner wall of the second piston tube, the second push-pull rod is fixedly connected with the third rubber piston, a cushioning spring is arranged at the bottom of the second piston tube, one end of the cushioning spring, which is far away from the bottom of the second piston tube, is fixedly connected with a rubber pad, the second piston tube is communicated with the high-pressure nozzle through an air outlet tube, the air outlet tube is connected with an air storage chamber, a third rubber piston is arranged in the air storage chamber, and the third rubber piston is slidably connected with the inner wall of the air storage chamber, the upper end of the third rubber piston is fixedly connected with a deformation spring, the deformation spring is fixedly connected to the inner wall of the gas storage chamber, one side of the gas storage chamber is provided with a gas outlet hole, the gas outlet hole is communicated with the gas outlet pipe, the high-pressure nozzle is fixedly connected to the inside of the chute, and the high-pressure nozzle faces the ash outlet.
The invention has the beneficial effects that:
(1) according to the vacuum pressure instrument, in the platform mechanism, a user places a fire hose to be measured on the bracket and then slides the bracket leftwards, and because the height of the bracket is designed, a connector on the fire hose can be just attached to a rubber ring on a negative pressure pipe.
(2) According to 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 in contact with the rubber ring, so that 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) According to the vacuum pressure instrument, in the vacuum pressure display mechanism, when the negative pressure on the inner wall of the fire hose is increased, 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 the gap, the higher the liquid level of the black liquid oil in the glass pipe is, and the more the negative pressure in the fire hose is reflected.
(4) In the dust removing mechanism of the vacuum pressure instrument, the second push-pull rod slides rightwards to drive the third rubber piston to slide rightwards in the second piston tube, the third rubber piston can extrude right-side air when sliding rightwards, the air is extruded and then reaches the high-pressure spray nozzle from the air outlet pipe to be sprayed out, and scraps in the chute are sprayed out from the dust outlet, so that the scraps can be generated to block the chute when a newly produced fire hose is placed on the bracket.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
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 view of the point A in FIG. 1;
FIG. 4 is an enlarged view of the point B in FIG. 2;
FIG. 5 is an enlarged view of FIG. 2 at C;
FIG. 6 is an enlarged view of FIG. 2 at D;
FIG. 7 is an enlarged view of E in FIG. 2;
FIG. 8 is a schematic view of the connection structure of the rubber ring, the groove and the connecting tube;
FIG. 9 is a schematic view of a connection structure of a rubber ring and a groove;
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 base plate; 13. a chute; 14. an ash outlet; 15. a pulley; 16. a strut; 17. a bracket; 18. a fire hose; 19. a connector; 2. a negative pressure fixing mechanism; 21. a negative pressure tube; 22. a tripod; 23. a first rubber piston; 24. connecting blocks; 25. a return spring; 26. a slide rail; 27. a roller; 28. a connecting rod; 29. a shock-absorbing structure; 291. a T-shaped rod; 292. a fixed block; 293. a damping spring; 294. a rubber pad; 210. steel rings; 211. a 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. a dust removal mechanism; 41. a second push-pull rod; 42. a fixed mount; 43. a second piston tube; 44. a rubber pad; 45. a cushioning spring; 46. an air outlet pipe; 47. a high pressure spray head; 48. a third rubber piston; 49. a gas storage chamber; 410. a deformation spring; 411. a third rubber piston; 412. and an air outlet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-10, the vacuum pressure instrument of the present invention includes a carrier mechanism 1, a negative pressure fixing mechanism 2, a vacuum pressure display mechanism 3 and an ash removal mechanism 4; the negative pressure fixing mechanism 2 is fixedly connected to the carrier mechanism 1, the vacuum pressure display mechanism 3 is arranged in the negative pressure fixing mechanism 2, the ash removal mechanism 4 is arranged below the vacuum pressure display mechanism 3, the ash removal mechanism 4 is also arranged in the negative pressure fixing mechanism 2, and a high-pressure spray head 47 in the ash removal mechanism 4 is fixedly connected to one end of a slide rail 13 in the carrier mechanism 1; the platform deck mechanism 1 can transport the fire water pipe 18 that needs to be detected, make connector 19 and rubber circle 213 align, the convenient connection, negative pressure mechanism 2 can external aspirator form the negative pressure effect for fire water pipe 18, and the suction that causes can make fire water pipe 18 and negative pressure pipe 21 connect, vacuum pressure display mechanism 3 can adjust the height of black liquid oil 38 in space 39 through the effect of vacuum pressure, the size of feedback vacuum pressure, the ash in spout 13 can be spouted out to the deashing mechanism 4.
Specifically, 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 slidably connected with the chute 13, the pulley 15 is movably connected with the lower end of a strut 16, the upper end of the strut 16 is fixedly welded to a bracket 17, a fire water pipe 18 is placed on the bracket 17, and a connector 19 is fixedly connected to one end of the fire water pipe 18; put fire hose 18 that needs to detect on bracket 17, seal the right-hand member of fire hose 18, then slide bracket 17 to the left, pulley 15 slides to the left in spout 13, and bracket 17 drives fire hose 18 to slide to the left, then connector 19 on fire hose 18 stops sliding after touching 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 slidably connected 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, 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 slidably connected with a sliding rail 26, the sliding rail 26 is fixedly connected to the inner wall of the negative pressure pipe 21, and a damping structure 29 is arranged between the sliding rail 26 and the first rubber piston 23, the shock absorption structure 29 is fixedly connected to the inner wall of the negative pressure pipe 21, a fixed block 292 in the shock absorption structure 29 is fixedly connected to the inner wall of the negative pressure pipe 21, the fixed block 292 is slidably connected with a T-shaped rod 291, a shock absorption spring 293 is nested on the T-shaped rod 291, the shock absorption 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 at one end of the negative pressure pipe 21, a rubber ring 213 is fixedly connected to the steel ring 210, a groove 214 is formed in the steel ring 210 and the rubber ring 213, the grooves 214 are communicated with each other through a connecting pipe 215, the groove 214 is connected with an air suction pipe 212, 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 contacts the rubber ring 213, an external aspirator is started to suck air from the air suction hole 211, the suction force generated in the air suction pipe 212 is transmitted into the groove 214 and then 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 the moment, the negative pressure pipe 21 is tightly connected with the fire water pipe 18, the aspirator sucks air from the air suction hole 211 and simultaneously generates a negative pressure effect in the negative pressure pipe 21 and the fire water pipe 18, the negative pressure degree borne by the fire water pipe 18 can be monitored, the aspirator continuously works, the negative pressure in the fire water pipe 18 is slowly increased, the first rubber piston 23 slides rightwards in the negative pressure pipe 21, the connecting block 24 connected with the first rubber piston 23 drives the connecting rod 28 and the roller 27 to move rightwards, meanwhile, the return spring 25 stretches, after the measurement is finished, when the aspirator is switched off, the return spring 25 contracts to pull the first rubber piston 23 to slide leftwards to reset, and the connecting block 24 drives the connecting rod 28 and the roller 27 to move leftwards to reset.
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 to the first rubber piston 23, the other end of the first push-pull rod 31 extends into the 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 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 to the second rubber piston 33, a tension spring 34 is fixedly connected to the bottom of the first piston tube 32, the first piston tube 32 contains black liquid oil 38 therein, a liquid guide tube 35 communicates the first piston tube 32 with a gap 39, the gap 39 is disposed in the glass tube 36, a scale 37 is disposed on one side of the gap 39, the scale 37 is also disposed in the glass tube 36, the glass tube 36 is fixedly connected to the 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 pipe 32, the black liquid oil 38 on the right side of the second rubber piston 33 is 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 enters a gap 39 in the glass pipe 36 from the liquid guide pipe 35 after being extruded, the page of the black liquid oil 38 is continuously raised, when the negative pressure 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, the higher the liquid level of the black liquid oil 38 in the glass pipe 36 is, the scale 37 in the glass pipe 36 can read specific values, and can also display the monitored data of the measured fire-fighting water pipe 18, after the measurement is finished, the external aspirator is switched off, at the moment, the negative pressure pipe 21 is restored to the standard atmospheric pressure, the return spring 25 contracts and simultaneously drives the first rubber piston 23 to slide leftwards and return, the first push-pull rod 31 moves leftwards to drive the second rubber piston 33 to slide leftwards in the first piston pipe 32, at the moment, the tension spring 34 extends, the second rubber piston 33 has suction force to the right side, the black liquid oil 38 in the glass pipe 36 flows back into the first piston pipe 32, and the liquid level of the black liquid oil 38 in the glass pipe 36 returns.
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 to 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 to the fixing frame 42, the second piston tube 43 is fixed to the inner wall of the negative pressure tube 21, a third rubber piston 48 is disposed in the second piston tube 43, the third rubber piston 48 is slidably connected to the inner wall of the second piston tube 43, the second push-pull rod 41 is fixedly connected to the third rubber piston 48, a damping spring 45 is disposed at the bottom of the second piston tube 43, one end of the damping spring 45, which is far away from the bottom of the second piston tube 43, is fixedly connected to a rubber pad 44, the second piston tube 43 is communicated with the high-pressure nozzle 47 through an air outlet 46, the air outlet 46 is connected to an air storage chamber 49, a third rubber piston 411 is arranged in the air storage chamber 49, the third rubber piston 411 is connected with the inner wall of the air storage chamber 49 in a sliding manner, a deformation spring 410 is fixedly connected to the upper end of the third rubber piston 411, the deformation spring 410 is fixedly connected to the inner wall of the air storage chamber 49, an air outlet 412 is formed in one side of the air storage chamber 49, the air outlet 412 is communicated with the air outlet 46, the high-pressure nozzle 47 is fixedly connected in the chute 13, and the high-pressure nozzle 47 faces the ash outlet 14; the first rubber piston 23 slides rightwards to drive the second push-pull rod 41 to slide rightwards in the fixed frame 42, the second push-pull rod 41 slides rightwards to drive the third rubber piston 48 to slide rightwards in the second piston pipe 43, the third rubber piston 48 can extrude air on the right side when sliding rightwards, the air reaches the air storage chamber 49 from the air outlet pipe 46 after being extruded, 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, the compressed air can be instantly discharged to the high-pressure nozzle 47 from the air outlet hole 412 and then is sprayed from the high-pressure nozzle 47, the scraps in the chute 13 are sprayed from the ash outlet 14, when a newly produced fire hose 18 is placed on the bracket 17, the scraps can be generated to block the chute 13, the third rubber piston 48 can contact the rubber pad 44 when sliding rightmost in the second piston pipe 43, the rubber pad 44 compresses the cushioning spring 45 to achieve a cushioning effect, so that the third rubber piston 48 and the second piston tube 43 are protected, and when the first rubber piston 23 slides leftwards, the second push-pull rod 41 drives the third rubber piston 48 to slide leftwards and reset.
When the invention is used, firstly, the fire water pipe 18 to be detected is put on the bracket 17, the right end of the fire water pipe 18 is closed, then the bracket 17 is slid leftwards, the pulley 15 is slid leftwards in the chute 13, the bracket 17 drives the fire water pipe 18 to slide leftwards, then the connector 19 on the fire water pipe 18 stops sliding after contacting the rubber ring 213, when the connector 19 contacts the rubber ring 213, the external aspirator is started to aspirate air from the air aspiration hole 211, the suction force generated in the air aspiration tube 212 is transmitted into the groove 214, and then transmitted into other grooves 214 through the connecting tube 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 the moment, the negative pressure tube 21 is tightly connected with the fire water pipe 18, and the aspirator can generate negative pressure effect on the negative pressure tube 21 and the fire water pipe 18 while aspirating from the air aspiration hole 211, the negative pressure degree borne by the fire water pipe 18 can be monitored, the aspirator continuously works, the negative pressure in the fire water pipe 18 slowly rises, the first rubber piston 23 slides to the right in the negative pressure pipe 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 return spring 25 stretches, when the first rubber piston 23 slides to the right, the first push-pull rod 31 moves to the right, the second rubber piston 33 slides to the right 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 that the second rubber piston 33 slides to the right, meanwhile, the second rubber piston 33 compresses the tension spring 34, the black liquid oil 38 enters a gap 39 in the glass pipe 36 from the liquid guide pipe 35 after being extruded, the page of the black liquid oil 38 continuously rises, and when the negative pressure in the fire 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 black liquid oil 38 is extruded, so the liquid level of the black liquid oil 38 in the glass tube 36 is higher, the scale 37 in the glass tube 36 can read specific values, and can also display monitoring data of the measured fire hose 18, the right side air is extruded when the first rubber piston 23 slides rightwards to drive the second push-pull rod 41 to slide rightwards in the fixed 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 right side air is extruded when the third rubber piston 48 slides rightwards, the air reaches the air storage chamber 49 from the air outlet pipe 46 after being extruded, when the compressed air in the air storage chamber 49 increases, the third rubber piston 411 slides downwards, the deformation spring 410 is stretched, when the third rubber piston 411 slides to the air outlet hole 412, the compressed air is instantly discharged from the air outlet 412 to the high-pressure nozzle 47 and then is sprayed from the high-pressure nozzle 47 to spray the debris in the chute 13 from the ash outlet 14, because the newly produced fire hose 18 is placed on the bracket 17 and generates debris to block the chute 13, the third rubber piston 48 contacts the rubber pad 44 when sliding to the rightmost end in the second piston tube 43, the rubber pad 44 compresses the cushioning spring 45 to achieve the damping effect and protect the third rubber piston 48 and the second piston tube 43, after the measurement is finished, the aspirator is switched off, the return spring 25 contracts at the moment, the first rubber piston 23 is pulled to slide leftwards to be reset, the connecting block 24 drives the connecting rod 28 and the roller 27 to move leftwards to be reset, when the first rubber piston 23 resets leftwards, the first push-pull rod 31 moves leftwards, the first push-pull rod 31 drives the second rubber piston 33 to slide leftwards in the first piston tube 32, at this time, the tension spring 34 is extended, the second rubber piston 33 has suction force to the right side, the 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 to the left, the second push-pull rod 41 drives the third rubber piston 48 to slide to the left and reset.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A vacuum pressure gauge, characterized by: comprises a carrier mechanism (1), a negative pressure fixing mechanism (2), a vacuum pressure display mechanism (3) and an ash cleaning mechanism (4); the negative pressure fixing mechanism (2) is fixedly connected to the carrier mechanism (1), the vacuum pressure display mechanism (3) is arranged in the negative pressure fixing mechanism (2), the ash cleaning mechanism (4) is arranged below the vacuum pressure display mechanism (3), the ash cleaning mechanism (4) is also arranged in the negative pressure fixing mechanism (2), and a high-pressure spray head (47) in the ash cleaning mechanism (4) is fixedly connected to one end of a slide rail (13) in the carrier mechanism (1);
platform deck mechanism (1) includes workstation (11), fixedly connected with bottom plate (12) is gone up in workstation (11), be provided with spout (13) on bottom plate (12), ash hole (14) have been seted up to one side of spout (13), be provided with pulley (15) in spout (13), pulley (15) with spout (13) sliding connection, pulley (15) and branch (16) lower extreme swing joint, branch (16) upper end and bracket (17) fixed welding, fire-fighting water pipe (18) have been placed on bracket (17), the one end fixedly connected with connector (19) of fire-fighting water pipe (18).
2. A vacuum pressure gauge according to claim 1, wherein: the negative pressure fixing mechanism (2) comprises a negative pressure pipe (21), the negative pressure pipe (21) is fixedly connected onto a tripod (22), the tripod (22) is fixedly welded on 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 reset spring (25), the other end of the reset spring (25) is fixedly connected onto 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), and the roller (27) is in sliding connection with a sliding rail (26), the slide rail (26) is fixedly connected to the inner wall of the negative pressure pipe (21).
3. A vacuum pressure gauge according to claim 2, 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 be in negative pressure pipe (21) inner wall, fixed block (292) fixed connection in shock-absorbing structure (29) be in negative pressure pipe (21) inner wall, fixed block (292) and T shape pole (291) sliding connection, nested 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).
4. A vacuum pressure gauge according to claim 3, wherein: negative pressure fixed establishment (2) still include steel ring (210), steel ring (210) fixed welding is in the one end of negative pressure pipe (21), fixedly connected with rubber circle (213) on steel ring (210), steel ring (210) with inside recess (214) that is provided with of rubber circle (213), use connecting pipe (215) intercommunication between recess (214), be connected with breathing pipe (212) on recess (214), breathing pipe (212) and suction opening (211) intercommunication, suction opening (211) fixed connection be in on the outer wall of negative pressure pipe (21).
5. A vacuum pressure gauge according to claim 4, wherein: 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 pipe (32), the side wall of the first piston pipe (32) is fixedly connected onto the inner wall of the negative pressure pipe (21), a second rubber piston (33) is arranged in the first piston pipe (32), the second rubber piston (33) is connected with the inner wall of the first piston pipe (32) in a sliding mode, the first push-pull rod (31) is fixedly connected with the second rubber piston (33), the bottom of the first piston pipe (32) is fixedly connected with a tension spring (34), and black liquid oil (38) is contained in the first piston pipe (32).
6. A vacuum pressure gauge according to claim 5, wherein: the vacuum pressure display mechanism (3) further comprises a liquid guide pipe (35), the liquid guide pipe (35) is used for communicating the first piston pipe (32) with the gap (39), the gap (39) is arranged in the glass pipe (36), a graduated scale (37) is arranged on one side of the gap (39), the graduated scale (37) is also arranged in the glass pipe (36), and the glass pipe (36) is fixedly connected to the outer wall of the negative pressure pipe (21).
7. A vacuum pressure gauge according to claim 6, wherein: 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 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), a cushioning spring (45) is arranged at the bottom of the second piston tube (43), one end, far away from the bottom of the second piston tube (43), of the cushioning spring (45) is fixedly connected with a rubber pad (44), use outlet duct (46) intercommunication between second piston pipe (43) and high pressure nozzle (47), outlet duct (46) are connected with air storage chamber (49), be provided with third rubber piston (411) in air storage chamber (49), third rubber piston (411) with air storage chamber (49) inner wall sliding connection, third rubber piston (411) upper end fixedly connected with deformation spring (410), deformation spring (410) fixed connection be in on air storage chamber (49) inner wall, 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 be in spout (13), high pressure nozzle (47) orientation ash outlet (14).
CN202210134994.0A 2022-02-14 2022-02-14 Vacuum pressure instrument Active CN114636511B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054133A (en) * 1990-09-25 1991-08-28 丁定藩 Liquid column pressure sensitive device
JPH0559274U (en) * 1992-01-14 1993-08-06 株式会社東芝 Pressure measuring device
JP2011106902A (en) * 2009-11-16 2011-06-02 Mansui:Kk Vacuum detector
CN203384653U (en) * 2013-07-17 2014-01-08 湖北科发机电制造有限公司 Novel vacuum detector for pipelines
CN204027753U (en) * 2014-06-26 2014-12-17 多氟多化工股份有限公司 A kind of anti-overflow non-maintaining U-tube pressure gauge
CN104748903A (en) * 2015-03-31 2015-07-01 浙江大学 Liquid-gas conversion pressure measurement device and pressure measurement device with synchronous electrical measurement and digital display for tests
CN208795300U (en) * 2018-09-28 2019-04-26 东莞市三维医疗设备有限公司 A kind of flow and pressure sensing tools
CN210119408U (en) * 2019-04-30 2020-02-28 安徽好运机械有限公司 Device for detecting negative pressure resistance of pipeline
CN210487200U (en) * 2019-11-08 2020-05-08 嘉兴威盾工程检测有限公司 Fire-fighting pipeline detection device
CN210603716U (en) * 2019-11-08 2020-05-22 南京创协德工业自动化科技有限公司 Novel high vacuum degree vacuum gauge device
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

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054133A (en) * 1990-09-25 1991-08-28 丁定藩 Liquid column pressure sensitive device
JPH0559274U (en) * 1992-01-14 1993-08-06 株式会社東芝 Pressure measuring device
JP2011106902A (en) * 2009-11-16 2011-06-02 Mansui:Kk Vacuum detector
CN203384653U (en) * 2013-07-17 2014-01-08 湖北科发机电制造有限公司 Novel vacuum detector for pipelines
CN204027753U (en) * 2014-06-26 2014-12-17 多氟多化工股份有限公司 A kind of anti-overflow non-maintaining U-tube pressure gauge
CN104748903A (en) * 2015-03-31 2015-07-01 浙江大学 Liquid-gas conversion pressure measurement device and pressure measurement device with synchronous electrical measurement and digital display for tests
CN208795300U (en) * 2018-09-28 2019-04-26 东莞市三维医疗设备有限公司 A kind of flow and pressure sensing tools
CN210119408U (en) * 2019-04-30 2020-02-28 安徽好运机械有限公司 Device for detecting negative pressure resistance of pipeline
CN210487200U (en) * 2019-11-08 2020-05-08 嘉兴威盾工程检测有限公司 Fire-fighting pipeline detection device
CN210603716U (en) * 2019-11-08 2020-05-22 南京创协德工业自动化科技有限公司 Novel high vacuum degree vacuum gauge device
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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