CN104897469B - A kind of experimental rig of fighting hose blast pressure - Google Patents
A kind of experimental rig of fighting hose blast pressure Download PDFInfo
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- CN104897469B CN104897469B CN201510293869.4A CN201510293869A CN104897469B CN 104897469 B CN104897469 B CN 104897469B CN 201510293869 A CN201510293869 A CN 201510293869A CN 104897469 B CN104897469 B CN 104897469B
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses the experimental rig of a kind of fighting hose blast pressure, including frame, the fixed mounting being fixedly arranged in frame and the active mount being slidably installed in frame, one group it is equiped with respectively for the connection assembly being connected with fire hose port sealing in each mounting seat, connect assembly include pressing plate and be installed in mounting seat the tapered sleeve for being socketed fire hose, pressing plate is provided with for coordinating the hold-down apertures compressing fire hose with taper sleeve drum outer wall, one of which connects the tapered sleeve of assembly and is provided with the intake tunnel for press water is passed through fire hose, the conical sleeve that another group connects assembly is provided with the pressure release passage that press water flows out fire hose, connect assembly and also include for ordering about the hold-down mechanism that pressing plate is placed on tapered sleeve and compresses fire hose, pressing plate is mounted on hold-down mechanism.The present invention have simple in construction, applied widely, use easy to operate, security reliability advantages of higher.
Description
Technical field
The present invention relates to pressure test device technical field, be specifically related to the experimental rig of a kind of fighting hose blast pressure.
Background technology
In recent years, vegetation near power transmission line corridor is more and more denseer, extreme weather easily causes large area mountain fire, not only threaten the ecological environment in influence of fire region, human life's property safety, simultaneously, near transmission of electricity corridor, mountain fire can cause transmission line of electricity to trip, the safe and stable operation of serious threat China electrical network.
Overhead transmission line passes field high mountain, difficulty of having inconvenient traffic and fetch water.Mobile fire extinguishing platform can be equipped with high-pressure plunger pump and by fire hose, extinguishing chemical is sent to atomizing gun head, and high-pressure extinction agent atomization ejection is put out a fire by atomizing gun head, can improve fire-fighting efficiency.Owing to the high-pressure plunger pump transmission range of mobile fire extinguishing platform reaches thousands of rice, extinguishing chemical residual quantity in fire hose expends bigger, by improving fire hose design and processes, develop the extinguishing chemical residual quantity that small-bore fire hose can reduce in fire hose, thus improve fire extinguishing platform extinguishing ability.Simultaneously as fire extinguishing procedure needs atomization fire extinguishing agent, still requiring that and reach atomizing pressure after transmission distance, the outlet pressure of mobile fire extinguishing platform is necessarily much larger than general fire fighting truck, therefore, the burst pressure of fire hose is had higher requirement.When fire hose produces and mobile fire extinguishing platform overhauls, need the burst pressure of fire hose is tested.
Current fighting hose blast pressure-detecting device structure is complicated, operating difficulties, the burst pressure of the fire hose of different bore can not be tested, especially GB GB6246-2001 can not be specified that the fire hose of the self-defined bore of outer specification carries out burst pressure tests, and the pressure boundary of pilot system can not meet the explosion limit of fire hose.In this external process of the test, the installation complexity of fire hose is loaded down with trivial details, and operation takes time and effort, and needs testing crew Real Time Observation, Control experiment pressure and record test data, and testing crew is easily worked the mischief by fighting hose blast moment.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming prior art to exist, it is provided that a kind of simple in construction, applied widely, use the experimental rig of fighting hose blast pressure easy to operate, that security reliability is high.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of experimental rig of fighting hose blast pressure, including frame, the fixed mounting being fixedly arranged in frame and the active mount being slidably installed in frame, one group it is equiped with respectively for the connection assembly being connected with fire hose port sealing in each mounting seat, described connection assembly includes pressing plate and is installed in mounting seat the tapered sleeve for being socketed fire hose, described pressing plate is provided with for coordinating the hold-down apertures compressing fire hose with taper sleeve drum outer wall, one of which connects the tapered sleeve of assembly and is provided with the intake tunnel for press water is passed through fire hose, described connection assembly also includes for ordering about the hold-down mechanism that pressing plate is placed on tapered sleeve and compresses fire hose, described pressing plate is mounted on hold-down mechanism.
Above-mentioned experimental rig, preferably, described hold-down mechanism includes two screw rods being fixed in mounting seat, and described pressing plate is provided with two through holes, two through holes are sheathed on two screw rods respectively, and the cooperation of each screw rod is provided with the clamp nut for promoting pressing plate to move along screw rod.
Above-mentioned experimental rig, it is preferred that the tapered sleeve being not provided with intake tunnel is provided with pressure release passage, and the port of export of described pressure release passage is provided with relief valve.
Above-mentioned experimental rig, it is preferred that described connection assembly also includes the self-defined bore joint for being tightly connected with the fire hose of self-defined bore, and described self-defined bore joint is with the dismountable miner diameter end being connected to tapered sleeve of thread connecting mode.
Above-mentioned experimental rig, it is preferred that each tapered sleeve is formed by two or more cone cylinder joint is threaded.
Above-mentioned experimental rig, it is preferred that described tapered sleeve is threadedly connected in mounting seat.
Above-mentioned experimental rig, it is preferred that described frame is provided with chute, described active mount is slidedly arranged in chute by being located at the pulley of bottom.
Above-mentioned experimental rig, it is preferred that described experimental rig is additionally provided with the pressure sensor for detecting test hydraulic pressure and the data display equipment of the display pressure that is connected with pressure sensor.
Above-mentioned experimental rig, it is preferred that the arrival end of described intake tunnel is threaded has a press water to be passed through joint, and described pressure sensor is installed on described press water and is passed through on joint.
Above-mentioned experimental rig, it is preferred that described pressure sensor and a recordable pressure data and according to pressure data make pressue-graph computer be connected.
Compared with prior art, it is an advantage of the current invention that: the experimental rig of fighting hose blast pressure of the present invention is coordinated by the pressing plate using tapered sleeve and have different hold-down apertures, can be tightly connected from different bore fire hoses and carry out burst pressure tests, it is the most applicable to the fire hose of GB or self-defined specification, substantially increase the scope of application and the versatility of experimental rig, it is possible to reduce the equipment cost of test；Meanwhile, one of which connects assembly and is arranged on the movable installation board of slip, and in experimentation, can slide with movable installation board in one end of fire hose, and then can adapt to the length change of fire hose, it is to avoid impact experiment.The simple in construction of this experimental rig, use easy to operate, security reliability is high.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of experimental rig of the present invention.
Fig. 2 is the perspective view of experimental rig of the present invention.
Fig. 3 is the perspective view of experimental rig Application Example 1 of the present invention.
Fig. 4 is the perspective view of experimental rig Application Example 2 of the present invention.
Marginal data:
1, frame；11, chute；2, fixed mounting；3, active mount；31, pulley；4, assembly is connected；41, pressing plate；411, hold-down apertures；42, tapered sleeve；421, pressure release passage；422, cone cylinder joint；43, screw rod；44, clamp nut；45, self-defined bore joint；5, relief valve；6, pressure sensor；7, data display equipment；8, press water is passed through joint；9, pressure water source；10, aqueduct；100, computer；200, fire hose.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
nullAs shown in Figure 1 to Figure 3，The experimental rig of fighting hose blast pressure of the present invention，Including frame 1、The fixed mounting 2 being fixedly arranged in frame 1 and the active mount 3 being slidably installed in frame 1，One group it is equiped with respectively for the connection assembly 4 being connected with fire hose 200 port sealing in each mounting seat，Connect assembly 4 include pressing plate 41 and be installed in mounting seat the tapered sleeve 42 for being socketed fire hose 200，Pressing plate 41 is provided with hold-down apertures 411，Hold-down apertures 411 can be placed on tapered sleeve 42 and coordinate compression fire hose 200 with tapered sleeve 42 outer wall，Thus by the port sealing of fire hose 200，Connect assembly 4 also to include for ordering about the hold-down mechanism that pressing plate 41 is placed on tapered sleeve 42 and compresses fire hose 200，Pressing plate 41 is mounted on hold-down mechanism，Be there is the pressing plate 41 of the hold-down apertures 411 of different pore size by replacing，The fire hose 200 of different pore size can be pressed on the outer wall of tapered sleeve 42 formation seal，Thus allow for the burst pressure tests of different size fire hose 200，It is the most applicable to the fire hose 200 of GB or self-defined bore.The direction that above-mentioned two groups of tapered sleeves 42 connecting assembly 4 slide at active mount 3 is oppositely arranged, one of which connects the tapered sleeve 42 of assembly 4 and is provided with the intake tunnel (not shown) for press water is passed through fire hose 200, the two ends of fire hose 200 are connected after assembly 4 is tightly connected respectively with two, can be passed through in fire hose 200 by press water by intake tunnel and test.The intake tunnel of the present embodiment is located on the tapered sleeve 42 being arranged on active mount 3.
In the present embodiment, hold-down mechanism includes two screw rods 43 being fixedly installed in mounting seat, two screw rods 43 are symmetrically distributed in the both sides of tapered sleeve 42, and the axis of two screw rods 43 is parallel with the axis of tapered sleeve 42, pressing plate 41 is provided with two through holes, two through holes are sheathed on two screw rods 43 respectively, and the cooperation of each screw rod 43 is provided with the clamp nut 44 for promoting pressing plate 41 to move along screw rod 43.Cooperation position by regulation clamp nut 44 with screw rod 43, pressing plate 41 can be pressed to the bigger diameter end of tapered sleeve 42, so that fire hose 200 is pressed on the pyramid type outer wall of tapered sleeve 42 by the hold-down apertures 411 on pressing plate 41, after the clamp nut 44 of each screw rod 43 is pulled down, pressing plate 41 can be dismounted, it is simple to change and there is the pressing plate 41 that hold-down apertures 411 aperture is different.
In the present embodiment, the tapered sleeve 42 being not provided with intake tunnel is provided with pressure release passage 421, and the port of export of pressure release passage 421 is provided with relief valve 5, it is simple to carry out pressure release in process of the test.
In the present embodiment, connect assembly 4 and also include the self-defined bore joint 45 for being tightly connected with the fire hose 200 of self-defined bore, self-defined bore joint 45 is with the dismountable miner diameter end being connected to tapered sleeve 42 of thread connecting mode, after connection, the passage of self-defined bore joint 45 connects with intake tunnel or the pressure release passage 421 of tapered sleeve 42, each self-defined bore joint 45 matches with the joint at fire hose 200 two ends of self-defined bore, can be connected with the joint sealing at fire hose 200 two ends of the self-defined bore with joint, the fire hose 200 realizing the self-defined bore less to bore carries out burst pressure tests (seeing Fig. 4).Owing to self-defined bore joint 45 uses dismountable thread connecting mode with tapered sleeve 42, in actual applications can be according to the fire hose 200 of the self-defined bore of different bores, make matched self-defined bore joint 45 respectively, the burst pressure tests of the fire hose 200 of the self-defined bore of different size can be carried out by the different self-defined bore joint 45 of replacing, further increase the scope of application of experimental rig.
In the present embodiment, each tapered sleeve 42 is saved 422 by two cone cylinder and threaded forms, namely, it is tapered tapered sleeve 42 that the cone cylinder joint 422 of front end small diameter and the larger-diameter cone cylinder in rear end joint 422 are threaded connection one entirety of formation, wherein, rear end larger-diameter cone cylinder joint 422 is threadedly connected in mounting seat, it is simple to be replaced whole tapered sleeve 42.Tapered sleeve 42 uses the form of more piece, when the diameter of fire hose 200 is less, the cone cylinder of front end small diameter saves 422 be arranged on rear end larger-diameter cone cylinder joint 422, fire hose 200 is pressed on the cone cylinder joint 422 of front end small diameter, when the diameter of fire hose 200 is more than the maximum gauge of the cone cylinder joint 422 of end small diameter, the cone cylinder of front end small diameter can be saved 422 dismountings, fire hose 200 is pressed on rear end larger-diameter cone cylinder joint 422, so when the fire hose 200 of different size is carried out burst pressure tests, it is the deepest that whole tapered sleeve 42 all will not stretch into fire hose 200, avoid test operation and test structure are impacted.
In the present embodiment, specifically, frame 1 is provided with chute 11 to the mounting means of active mount 3, and active mount 3 is slidedly arranged in chute 11 by being located at the pulley 31 of bottom.
In the present embodiment, experimental rig is additionally provided with the pressure sensor 6 for detecting test hydraulic pressure and the data display equipment 7 being connected with pressure sensor 6, data display equipment 7 can directly display the pressure of pressure sensor 6 detection, data display equipment 7 is arranged on from fire hose 200 remote position, can avoid during fire hose 200 explosion, personnel being damaged, substantially increase experimental safe.The arrival end of intake tunnel is threaded has a press water to be passed through joint 8, pressure sensor 6 is installed on press water and is passed through on joint 8, at the trial, pressure water source 9 is passed through joint 8 by aqueduct 10 with press water and is connected, and is passed into by press water in mounted fire hose 200.In addition, also pressure sensor 6 can be connected to computer 100, the pressure data of detection is sent to computer 100 by pressure sensor 6, computer 100 can use the data on the software records acquisition channel that LabView develops and make the pressue-graph of process of the test, need not testing crew manually recorded time and force value, not only save manpower, and ensure that test data is more accurately reliable.
Above-mentioned pressure sensor 6 can use commercially available PY210 pressure transmitter, and data display equipment 7 uses the PY500H intelligence instrument supporting with pressure sensor 6.Pressure water source 9 can use the triumphant HD10/25-4S jetting machine of speeding that commercially available Germany produces, using the teaching of the invention it is possible to provide the hydraulic pressure of 0-250MPa, it is simple to regulates and keep pressure, aqueduct 10 to use the rubber tubing of bore coupling jetting machine flexibly.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment.To those of ordinary skill in the art, the modifications and variations obtained by under without departing from the technology of the present invention concept thereof also should be regarded as protection scope of the present invention.
Claims (8)
- null1. the experimental rig of a fighting hose blast pressure，It is characterized in that: include frame (1)、The fixed mounting (2) being fixedly arranged in frame (1) and the active mount (3) being slidably installed in frame (1)，One group it is equiped with respectively for the connection assembly (4) being connected with fire hose (200) port sealing in each mounting seat，Described connection assembly (4) includes pressing plate (41) and is installed in mounting seat the tapered sleeve (42) for being socketed fire hose (200)，Described pressing plate (41) is provided with for coordinating the hold-down apertures (411) compressing fire hose (200) with tapered sleeve (42) outer wall，One of which connects the tapered sleeve (42) of assembly (4) and is provided with the intake tunnel for press water is passed through fire hose (200)，Described connection assembly (4) also includes for ordering about the hold-down mechanism that pressing plate (41) is placed on tapered sleeve (42) and compresses fire hose (200)，Described pressing plate (41) is mounted on hold-down mechanism；Described connection assembly (4) also includes the self-defined bore joint (45) for being tightly connected with the fire hose of self-defined bore (200), and described self-defined bore joint (45) is with the dismountable miner diameter end being connected to tapered sleeve (42) of thread connecting mode；(422) are threaded forms by two or more cone cylinder joint for each tapered sleeve (42).
- The experimental rig of fighting hose blast pressure the most according to claim 1, it is characterized in that: described hold-down mechanism includes two screw rods (43) being fixed in mounting seat, described pressing plate (41) is provided with two through holes, two through holes are sheathed on two screw rods (43) respectively, and each screw rod (43) cooperation is provided with for promoting pressing plate (41) along the clamp nut (44) of screw rod (43) movement.
- The experimental rig of fighting hose blast pressure the most according to claim 1, it is characterised in that: the tapered sleeve (42) being not provided with intake tunnel is provided with pressure release passage (421), and the port of export of described pressure release passage (421) is provided with relief valve (5).
- The experimental rig of fighting hose blast pressure the most according to claim 1, it is characterised in that: described tapered sleeve (42) is threadedly connected in mounting seat.
- The experimental rig of fighting hose blast pressure the most according to claim 1, it is characterised in that: described frame (1) is provided with chute (11), and described active mount (3) is slidedly arranged in chute (11) by being located at the pulley (31) of bottom.
- The experimental rig of fighting hose blast pressure the most according to any one of claim 1 to 5, it is characterised in that: described experimental rig is additionally provided with the pressure sensor (6) for detecting test hydraulic pressure and the data display equipment (7) of the display pressure that is connected with pressure sensor (6).
- The experimental rig of fighting hose blast pressure the most according to claim 6, it is characterized in that: the arrival end of described intake tunnel is threaded has a press water to be passed through joint (8), and described pressure sensor (6) is installed on described press water and is passed through on joint (8).
- The experimental rig of fighting hose blast pressure the most according to claim 6, it is characterised in that: described pressure sensor (6) and a recordable pressure data are also made the computer (100) of pressue-graph according to pressure data and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293869.4A CN104897469B (en) | 2015-06-02 | 2015-06-02 | A kind of experimental rig of fighting hose blast pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293869.4A CN104897469B (en) | 2015-06-02 | 2015-06-02 | A kind of experimental rig of fighting hose blast pressure |
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| Publication Number | Publication Date |
|---|---|
| CN104897469A CN104897469A (en) | 2015-09-09 |
| CN104897469B true CN104897469B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510293869.4A Active CN104897469B (en) | 2015-06-02 | 2015-06-02 | A kind of experimental rig of fighting hose blast pressure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109289245A (en) * | 2018-11-08 | 2019-02-01 | 飞潮（无锡）过滤技术有限公司 | A kind of 700Mpa continous way high hydrostatic pressure extraction separator |
| CN109323918A (en) * | 2018-11-10 | 2019-02-12 | 天津东方巨龙金属制品有限公司 | A kind of ratio-frequency welded tube explosion testing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330174U (en) * | 2011-11-11 | 2012-07-11 | 新疆凝石工程技术有限公司 | Blasting tester for fire fighting hose |
| CN202330155U (en) * | 2011-11-11 | 2012-07-11 | 新疆凝石工程技术有限公司 | Hydraulic fire-fighting hose clamping device in fire-fighting hose blast testing machine |
| CN203824838U (en) * | 2014-05-04 | 2014-09-10 | 泰州中裕消防器材有限公司 | Ultrahigh-pressure water hose bursting testing clamp |
| CN204043989U (en) * | 2014-05-04 | 2014-12-24 | 泰州中裕消防器材有限公司 | A kind of large aperture water-band explosion bulge test fixture |
| CN204177673U (en) * | 2014-10-31 | 2015-02-25 | 沈阳紫微机电设备有限公司 | Fire hose hydraulic bursting test machine |
| CN204649541U (en) * | 2015-06-02 | 2015-09-16 | 国家电网公司 | A kind of test unit of fighting hose blast pressure |
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