CN208520515U - A kind of pressure testing machine and pressure testing system - Google Patents
A kind of pressure testing machine and pressure testing system Download PDFInfo
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- CN208520515U CN208520515U CN201821164914.1U CN201821164914U CN208520515U CN 208520515 U CN208520515 U CN 208520515U CN 201821164914 U CN201821164914 U CN 201821164914U CN 208520515 U CN208520515 U CN 208520515U
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Abstract
The utility model discloses a kind of pressure testing machine and pressure testing system, is related to fire-fighting the field of test technology.Pressure testing machine is by testboard, conveying device, clamping device and air delivery device composition, conveying device includes main conveying device and the first secondary conveying device being separately connected with main conveying device, second secondary conveying device, first secondary conveying device includes first pressure table pack, second secondary conveying device includes second pressure table pack, clamping device is arranged on testboard, clamping device includes the first clamping device and the second clamping device, first clamping device has the first water stream channel, second clamping device has the second water stream channel, first water stream channel is connect with the first secondary conveying device, second water stream channel is connect with the second secondary conveying device, air delivery device is separately connected the first secondary conveying device and the second secondary conveying device.Pressure testing machine can solve the problems, such as that test pressure spot process is single when conventional pressure test machine tests fire hydrant and clamping is unreasonable.
Description
Technical field
The utility model relates to fire-fighting the field of test technology, in particular to a kind of pressure testing machine and pressure test
System.
Background technique
At present when fire-fighting is tested, for needing fire hydrant to be tested, often uses and manually control into drainage pattern, clamping
Fire hydrant is easy to hurt the rotation body region crushing of fire hydrant, cause in leak or test process by the way of integrally compressing
Leak, so that detection quality is unreliable while more single to the test pressure spot process of test block, it cannot be simultaneously in a process
It is middle to test low high pressure points, test the unobvious inaccuracy of pressure data.
Utility model content
First of the utility model is designed to provide a kind of pressure testing machine, solves the test of conventional pressure test machine and disappears
Test that pressure spot process is single and clamping unreasonable problem when fiery bolt.
Second of the utility model is designed to provide a kind of pressure testing system, solves conventional pressure test macro effect
The low problem of rate.
The embodiments of the present invention are achieved in that
A kind of pressure testing machine, including testboard, pressure testing machine further include: conveying device, conveying device include that master is defeated
Device, the first secondary conveying device and the second secondary conveying device are sent, main conveying device is connect with the first secondary conveying device, main conveying dress
It sets and connect with the second secondary conveying device, the first secondary conveying device includes first pressure table pack, and the second secondary conveying device includes the
Two pressure table packs；Clamping device, clamping device are arranged on the table top of testboard, and clamping device is configured to clips
Tight fire hydrant, clamping device include the first clamping device and the second clamping device, and the first clamping device is configured to seal
The body pedestal of fire hydrant is clamped, the second clamping device is configured to the water outlet of sealed clamping fire hydrant, and first clamps
Device has the first water stream channel being connected to body pedestal, and the second clamping device has the second water flow being connected to water outlet logical
Road；And air delivery device；First water stream channel is connect with the first secondary conveying device, the second water stream channel and the second secondary conveying device
Connection, air delivery device are connect with the first secondary conveying device, and air delivery device is connect with the second secondary conveying device.
Inventor devises above-mentioned pressure testing machine, and pressure testing machine passes through the first clamping device and the second clamping device energy
Enough be sealed respectively to fire hydrant pedestal and nozzle outlet clamps the safety for guaranteeing test process, the first secondary conveying device
The test of different pressures point, the second secondary conveying device and second pressure can be carried out to fire hydrant pedestal with first pressure table pack
Table pack can carry out the test of different pressures point to nozzle outlet.
Further, in an embodiment of the present invention:
Main conveying device includes being recycled back to water tank, high-pressure hydraulic pump, water storage surge tank, main flow size regulating valve, main water inlet
High-pressure check valve and main line hand-operated valve；The portion of drawing water of high-pressure hydraulic pump is connect with water tank is recycled back to, the outlet part of high-pressure hydraulic pump with
The connection of water storage surge tank；Main flow size regulating valve and main water inlet high-pressure check valve be set to high-pressure hydraulic pump and water storage surge tank it
Between, main flow size regulating valve is connected to main water inlet high-pressure check valve；Main line hand-operated valve one end is connect with water storage surge tank, main
The pipeline hand-operated valve other end is connect with Three-way joint for water pipe connector；Air delivery device includes gas source output, and gas source output passes through main gas
Pipe threeway is connect with the first accessory trachea threeway and the second accessory trachea four-way respectively.
Further, in an embodiment of the present invention:
First secondary conveying device further includes the first flow of inlet water regulating valve, the first water inlet pneumatic operated valve, the first high-pressure check valve
With first row water pneumatic operated valve；First water inlet pneumatic operated valve and first row water pneumatic operated valve are connect with the first accessory trachea threeway respectively；First
Water inlet pneumatic operated valve one end is connected to the first flow of inlet water regulating valve, and the first flow of inlet water regulating valve is connect with Three-way joint for water pipe connector,
The first water inlet pneumatic operated valve other end is connected to the first high-pressure check valve；First high-pressure check valve, first pressure table pack, first row
Water pneumatic operated valve, the first water stream channel are connected to by the first water pipe four-way connection.
Further, in an embodiment of the present invention:
Second secondary conveying device further includes the second flow of inlet water regulating valve, the second water inlet pneumatic operated valve, the second high-pressure check valve
With second row water pneumatic operated valve；Second water inlet pneumatic operated valve and second row water pneumatic operated valve are connect with the second accessory trachea four-way respectively；Second
Water inlet pneumatic operated valve one end is connected to the second flow of inlet water regulating valve, and the second flow of inlet water regulating valve is connect with Three-way joint for water pipe connector,
The second water inlet pneumatic operated valve other end is connected to the second high-pressure check valve；Second high-pressure check valve, second pressure table pack, second row
Water pneumatic operated valve, the second water stream channel are connected to by the second water pipe four-way connection.
Further, in an embodiment of the present invention:
The first water inlet control solenoid valve, the first water inlet control electricity are provided between main tracheae threeway and the first water inlet pneumatic operated valve
Magnet valve is configured to control the first water inlet pneumatic operated valve opening and closing, and the is provided between main tracheae threeway and first row water pneumatic operated valve
One draining control solenoid valve, first row water management solenoid valve are configured to control first row water pneumatic operated valve opening and closing；First row
Water pneumatic operated valve is connect with water tank is recycled back to.
Further, in an embodiment of the present invention:
The second water inlet control solenoid valve, the second water inlet control electricity are provided between main tracheae threeway and the second water inlet pneumatic operated valve
Magnet valve is configured to control the second water inlet pneumatic operated valve opening and closing, and the is provided between main tracheae threeway and second row water pneumatic operated valve
Two draining control solenoid valves, second row water management solenoid valve are configured to control second row water pneumatic operated valve opening and closing；Second row
Water pneumatic operated valve is connect with water tank is recycled back to.
Further, in an embodiment of the present invention:
It is provided with water pump between main line hand-operated valve and water storage surge tank and suppresses control pressure gauge, testboard table top is provided with
Table top drainage hole, table top drainage hole are connect with water tank is recycled back to.
Further, in an embodiment of the present invention:
First clamping device includes mounting base, clamping jaw and air pressure pushing meanss；Mounting base is connect with testboard, installs seat tool
There is through-hole, through-hole limits the first water stream channel；Clamping jaw is fixedly connected with mounting base, and connector is movably set in mounting base, even
Fitting is configured to connection body pedestal；Air pressure pushing meanss are arranged on testboard, and air pressure pushing meanss are secondary with second
Tracheae four-way connection, air pressure pushing meanss include cylinder and push rod, and push rod is connect with cylinder, connector under the driving of push rod into
Enter in clamping jaw.
Further, in an embodiment of the present invention:
Second clamping device includes the first mounting base and the second mounting base of hydraulic pushing device and vertical spacing setting,
First mounting base is configured to connection water outlet, and hydraulic pushing device is connect with the second mounting base；First mounting base and survey
Test stand connection, the first mounting base are connect with the second mounting base by pull rod, and the first mounting base has throughbore, throughbore limit
Fixed second water stream channel；Hydraulic pushing device includes oil cylinder and pressure head, and pressure head is connect with oil cylinder, and pressure head is configured in oil cylinder
Drive the lower one end of compression fire hydrant far from water outlet.
A kind of pressure testing system, pressure testing system have above-mentioned pressure testing machine.
The technical solution of the utility model at least has the following beneficial effects:
A kind of pressure testing machine provided by the utility model can carry out multiple pressure to fire hydrant pedestal and nozzle outlet
Force test, and rationally reliable installation way is provided, the internal structure of fire hydrant will not be damaged, guarantees the safety of test
And the accuracy of test result.
A kind of pressure testing system provided by the utility model effectively can carry out pressure test to fire hydrant, save
The energy and saving labour, improve production efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is structural schematic diagram of the pressure testing machine under the first visual angle in the utility model embodiment 1；
Fig. 2 is structural schematic diagram of the pressure testing machine under the second visual angle in the utility model embodiment 1；
Fig. 3 is structural schematic diagram of the pressure testing machine under third visual angle in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of the first clamping device in the utility model embodiment 1.
Icon: 10- pressure testing machine；20- testboard；22- table top drainage hole；200- conveying device；The main conveying dress of 210-
It sets；211- is recycled back to water tank；212- high-pressure hydraulic pump；2122- draws water portion；2124- outlet part；213- water storage surge tank；2132- master
Pipeline hand-operated valve；2133- water pump suppresses control pressure gauge；2134- blowdown valve；214- main flow size regulating valve；215- master
Water inlet high-pressure check valve；216- Three-way joint for water pipe connector；The secondary conveying device of 220- first；221- first pressure table pack；222-
One flow of inlet water regulating valve；The water inlet pneumatic operated valve of 223- first；The water inlet control solenoid valve of 2232- first；224- the first high pressure non-return
Valve；225- first row water pneumatic operated valve；2252- first row water management solenoid valve；226- the first water pipe four-way connection；230- second is secondary
Conveying device；231- second pressure table pack；232- the second flow of inlet water regulating valve；The water inlet pneumatic operated valve of 233- second；2332-
Second water inlet control solenoid valve；The second high-pressure check valve of 234-；235- second row water pneumatic operated valve；2352- second row water management electricity
Magnet valve；236- the second water pipe four-way connection；300- clamping device；The first clamping device of 310-；The first water stream channel of 3102-；
311- mounting base；3112- through-hole；312- connector；313- clamping jaw；314- air pressure pushing meanss；3142- cylinder；3144- is pushed away
Bar；The chassis 315-；The second clamping device of 320-；The second water stream channel of 3202-；The first mounting base of 321-；3212- throughbore；
322- pull rod；The second mounting base of 323-；324- hydraulic pushing device；3242- oil cylinder；3244- pressure head；400- air delivery device；
410- gas source output；The main tracheae threeway of 420-；430- the first accessory trachea threeway；440- the second accessory trachea four-way.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
The present embodiment provides a kind of pressure testing machine 10, pressure testing machine 10 disappears for solving the test of conventional pressure test machine
Test that pressure spot process is single and clamping unreasonable problem when fiery bolt.
Fig. 1 and Fig. 2 is please referred to respectively, and Fig. 1 shows the pressure testing machine 10 of this specific embodiment offer at the first visual angle
Under specific structure, Fig. 2 shows specific structure of the pressure testing machine 10 under the second visual angle that this specific embodiment provides.
Pressure testing machine 10 is made of conveying device 200, clamping device 300 and air delivery device 400.Wherein conveying device
200 include the secondary conveying device 220 of main conveying device 210, first and the second secondary conveying device 230, main conveying device 210 include
It is recycled back to water tank 211, high-pressure hydraulic pump 212, water storage surge tank 213, main flow size regulating valve 214, main water inlet high-pressure check valve
215 and main line hand-operated valve 2132；First secondary conveying device 220 includes first pressure table pack 221, the adjusting of the first flow of inlet water
Valve 222, first water inlet pneumatic operated valve 223, the first high-pressure check valve 224, first row water pneumatic operated valve 225；Second secondary conveying device 230
Including second pressure table pack 231, the second flow of inlet water regulating valve 232, second water inlet pneumatic operated valve 233, the second high-pressure check valve
234, second row water pneumatic operated valve 235.Clamping device 300 includes the first clamping device 310 and the second clamping device 320, the first folder
Tight device 310 includes air pressure pushing meanss 314, and the second clamping device 320 includes hydraulic pushing device 324.Air delivery device 400
Including gas source output 410.The portion 2122 of drawing water of high-pressure hydraulic pump 212 is connect with water tank 211 is recycled back to by water pipe, high pressure water
The outlet part 2124 of pump 212 is connect by main water inlet tube with 214 one end of main flow size regulating valve, main flow size regulating valve
214 other ends are connect with main 215 one end of water inlet high-pressure check valve, main 215 other end of water inlet high-pressure check valve and water storage surge tank
213 connections.213 lower part of water storage surge tank is equipped with blowdown valve 2134, and 213 top of water storage surge tank is equipped with main line hand-operated valve
2132, the water pump that pressure-stabilizing water supply is provided between water storage surge tank 213 and main line hand-operated valve 2132 suppresses control pressure gauge
2133, main line hand-operated valve 2132 is connect with a connector of Three-way joint for water pipe connector 216.Three-way joint for water pipe connector 216 another connect
Head is connect by high-pressure water pipe with 222 one end of the first flow of inlet water regulating valve, 222 other end of the first flow of inlet water regulating valve and the
One water inlet 223 one end of pneumatic operated valve connection, first water inlet 223 other end of pneumatic operated valve connection 224 one end of the first high-pressure check valve, first
224 other end of high-pressure check valve is connect with the one of connector of the first water pipe four-way connection 226, the first water pipe four-way connection 226
Another connector is connected to first pressure gauge four-way by high-pressure water pipe, first pressure gauge four-way respectively with first pressure table pack
Shatter-proof common observation pressure gauge, shatter-proof electric contact low pressure gauge in 221 are connected with shatter-proof electric contact high-pressure manometer, and first
It further include low pressure and high pressure dwell time relay in pressure table pack 221；First water pipe four-way connection, 226 third connector
It is connect with 225 one end of first row water pneumatic operated valve, 225 other end of first row water pneumatic operated valve is by drainpipe and is recycled back to water tank 211
Connection；First connector of water pipe four-way connection 226 the 4th is connected by lengthening the through-hole 3112 opened up in aqueduct and mounting base 311
It connects, through-hole 3112 limits the first water stream channel 3102.216 third connector of Three-way joint for water pipe connector passes through high-pressure water pipe and second
The connection of 232 one end of flow of inlet water regulating valve, 232 other end of the second flow of inlet water regulating valve and second water inlet 233 one end of pneumatic operated valve
Connection, second water inlet 233 other end of pneumatic operated valve connect 234 one end of the second high-pressure check valve, 234 other end of the second high-pressure check valve
It is connect with the one of connector of the second water pipe four-way connection 236, second water pipe four-way connection 236 another connector passes through high pressure water
Pipe is connected to second pressure gauge threeway, second pressure gauge threeway respectively with the shatter-proof common observation in second pressure table pack 231
Pressure gauge is connected with shockproof electrical contact manometer, and second pressure table pack 231 further includes dwell time relay；Second water pipe four
236 third connector of pass joint is connect with 235 one end of second row water pneumatic operated valve, and 235 other end of second row water pneumatic operated valve passes through
Drainpipe is connect with water tank 211 is recycled back to；Second connector of water pipe four-way connection 236 the 4th is by lengthening aqueduct and first
The throughbore 3212 (please referring to Fig. 3) of mounting base 321 (please referring to Fig. 3) connects.The gas-tpe fitting of gas source output 410 passes through
Appendix is connect with a connector of main tracheae threeway 420, and main 420 another two connector of tracheae threeway is separately connected the first accessory trachea
Threeway 430 and the second accessory trachea four-way 440；First accessory trachea threeway 430 respectively with the first water inlet pneumatic operated valve 223 and first row
Water pneumatic operated valve 225 connects, and the first water inlet control electricity is provided between the first accessory trachea threeway 430 and the first water inlet pneumatic operated valve 223
Magnet valve 2232 is provided with first row water management solenoid valve between first accessory trachea threeway 430 and first row water pneumatic operated valve 225
2252；Second accessory trachea four-way 440 is pushed and is filled with the second water inlet pneumatic operated valve 233, second row water pneumatic operated valve 235 and cylinder respectively
314 connections are set, the second water inlet control solenoid valve is provided between the second accessory trachea four-way 440 and the second water inlet pneumatic operated valve 233
2332, second row water management solenoid valve 2352 is provided between the second accessory trachea four-way 440 and second row water pneumatic operated valve 235, the
Cylinder solenoid valve is provided between two accessory trachea four-ways 440 and cylinder pushing meanss 314.The table top of testboard 20 is provided with table top
Drainage hole 22, table top drainage hole 22 are connect by table top drainpipe with water tank 211 is recycled back to.Pressure testing machine 10 passes through the first folder
The water outlet that tight device 310 and the second clamping device 320 are capable of the body pedestal and fire hydrant to fire hydrant respectively carries out close
Binder tightly guarantees the safety of test process, and the first secondary conveying device 220 can be to fire hydrant pedestal with first pressure table pack 221
Carry out the test of different pressures point, the second secondary conveying device 230 and second pressure table pack 231 can to nozzle outlet into
The test of row different pressures point.Solenoid valve 2232, first row water management solenoid valve 2252 and second are controlled by the first water inlet
Water inlet control solenoid valve 2332, second row water management solenoid valve 2352 are carried out automatically controlling into water and draining, are pushed by air pressure
Device 314 and hydraulic pushing device 324 carry out test block to be fixed operation, and whole operation is simple, improve production efficiency, defeated
Device 200 is sent to be respectively provided with the recycling of 20 table top water of testboard, first row water pneumatic operated valve 225 and second row water pneumatic operated valve 235
Water recycling will use water to be recycled to and be recycled back in water tank 211, energy saving and saving cost.
In the present embodiment, the portion 2122 of drawing water of high-pressure hydraulic pump 212 is the suction hole with filter, high-pressure hydraulic pump 212
Outlet part 2124 is apopore, it should be noted that the utility model does not limit the concrete form in portion of drawing water 2122, at other
In specific embodiment, portion 2122 of drawing water can also be not provided with filter.
Referring to FIG. 3, Fig. 3 shows specific knot of the pressure testing machine 10 of this specific embodiment offer under third visual angle
Structure.
The setting of second clamping device 320 (please refers to Fig. 2) on testboard 20, the first mounting base 321 and testboard 20
Pedestal bottom plate is threadedly coupled, and pedestal bottom plate is equipped with limbers, and the first mounting base 321 has pressure testing mouth pedestal, pressure testing mouth pedestal
Center offers throughbore 3212, and throughbore 3212 limits the second water stream channel 3202, and pressure testing mouth pedestal is also equipped with ox
Muscle gasket, the second mounting base 323 are connect by pull rod 322 with the first mounting base 321, and pull rod 322 passes through nut check first
Mounting base 321 and the second mounting base 323, oil cylinder 3242 are mounted on 323 top of the second mounting base, oil cylinder by locking nut
Oil cylinder drawhead is connected on 3242, pressure head 3244 is threadedly coupled with oil cylinder drawhead, and pressure head 3244 is located at the second mounting base 323
In cavity between lower part and the first mounting base 321.
Referring to FIG. 4, Fig. 4 shows the specific structure of the first clamping device 310 of this specific embodiment offer.
The setting of first clamping device 310 (please refers to Fig. 1) on testboard 20, and mounting base 311 is welded on testboard 20
(Fig. 2 is please referred to) on pedestal bottom plate, and pedestal bottom plate is equipped with limbers and passes through (please referring to Fig. 2) for lengthening aqueduct, mounting base
It is connected through a screw thread on 311 and is fixed with chassis 315, chassis 315 is equipped with O-shaped seal groove, is equipped with O-shaped sealing in O-shaped seal groove
Circle, three clamping jaws 313 are bolted to connection with chassis 315, and angle is 120 ° between three clamping jaws 313, three clamping jaws
There are grasping part between 313 and chassis 315, connector 312 is placed in grasping part, and the pawl mouth of three clamping jaws 313 has
Certain tilt angle offers connecting hole on 312 side wall of connector, and 3144 one end of push rod is fixedly connected with connecting hole, push rod
3144 other ends are connect with the Y type cylinder connector of 3142 front end of cylinder by pin shaft, are welded on the pedestal bottom plate of testboard 20
Cylinder block shaft (please refers to Fig. 1 and Fig. 2), and cylinder mounting base has been bolted in cylinder block shaft and (has please referred to Fig. 1 and figure
2), cylinder 3142, which is bolted, is mounted in cylinder mounting base and (please refers to Fig. 1 and Fig. 2).
In the present embodiment, the quantity of clamping jaw 313 is three, three clamping jaws 313 in mutual angle be 120 ° angularly
Arrangement mode, it should be noted that the utility model does not limit the particular number and arrangement of clamping jaw 313, specific real at other
It applies in mode, the quantity of clamping jaw 313 can also be four or multiple, and arrangement mode can also be not to be distributed angularly.
In the present embodiment, connector 312 is hexagonal circle, it should be noted that the utility model does not limit connector 312
Concrete shape, in other specific embodiments, connector 312 can also according to the pedestal form of specific fire hydrant be arranged shape
Shape.
Specifically, when testing as the fire hydrant of rotary-type body hexagonal pedestal, body hexagonal pedestal position is placed to hexagonal
In circle, push rod 3144 and hexagonal circle are pushed by cylinder solenoid valve control pressure pushing meanss 314, rotates body hexagonal pedestal
The clamping opening inclined-plane of clamping jaw 313 is contacted, downward pressure is generated, body hexagonal pedestal and O-ring seal is made to generate compression seal locking,
The corresponding switch of first pressure table pack 221 of test pressure, sets (low pressure, high pressure) dwell time relay needed for starting
Dwell time, by first water inlet control solenoid valve 2232 control first water inlet 223 moment of pneumatic operated valve open, pass through first
Draining control solenoid valve 2252 controls first row water pneumatic operated valve 225 and closes, (logical when test low pressure size needed for boosting to
Cross the pressure gauge reading numerical values in corresponding first pressure table pack 221), pass through the first water inlet control solenoid valve 2232 control first
Pneumatic operated valve 223 of intaking is closed, and the work of the low-pressure pressure retaining time relay is delayed while observation has no pressure decline, low-pressure pressure retaining time
After arriving, is opened again by the first water inlet control solenoid valve 2,232 first water inlet 223 moment of pneumatic operated valve of control, boost to required survey
(pass through the pressure gauge reading numerical values in corresponding first pressure table pack 221) when trying high-pressure size, the high pressure dwell time after
Electrical work is delayed while observation has no pressure decline, passes through first row water management solenoid valve 2252 and controls first row water pneumatic operated valve
225 automatically open draining, after draining, open the first clamping device 310 finally by air pressure pushing meanss 314 and take out test
Part.When test is the fire hydrant of plain edition body hexagonal pedestal, step is the fire hydrant of rotary-type body hexagonal pedestal with test
When it is consistent, unlike the pressure value chosen it is different.When test is rotary-type or plain edition body water outlet fire hydrant, trying
It presses and places Cowhells gasket on mouth pedestal, then place body water outlet to pressure testing mouth position base, pass through hydraulic pushing device
324 make pressure head 3244 push down body, and the corresponding switch of second pressure table pack 231 of test pressure, sets guarantor needed for starting
The dwell time for pressing the time relay is beaten by the second water inlet control solenoid valve 2,332 second water inlet 233 moment of pneumatic operated valve of control
It opens, second row water pneumatic operated valve 235 is controlled by second row water management solenoid valve 2352 and is closed, test pressure size needed for boosting to
When (pass through the pressure gauge reading numerical values in corresponding second pressure table pack 231), pass through the second water inlet control solenoid valve 2332 and control
System the second water inlet pneumatic operated valve 233 is closed, and the work of dwell time relay is delayed while observation has no pressure decline, and the dwell time arrives
Afterwards, second row water pneumatic operated valve 235 is controlled by second row water management solenoid valve 2352 and automatically opens draining, it is last after draining
The second clamping device 320, which is opened, by hydraulic pushing device 324 takes out test block.
Embodiment 2
The present embodiment provides a kind of pressure testing system, pressure testing system has the pressure testing machine in above-described embodiment
10, pressure testing system is for solving the problems, such as conventional pressure test macro low efficiency.
Pressure testing system effectively can carry out pressure test to fire hydrant by the use of pressure testing machine 10, save
The energy and saving labour, improve production efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pressure testing machine, including testboard, which is characterized in that further include:
Conveying device, the conveying device include main conveying device, the first secondary conveying device and the second secondary conveying device, the master
Conveying device is connect with the described first secondary conveying device, and the main conveying device is connect with the described second secondary conveying device, described
First secondary conveying device includes first pressure table pack, and the described second secondary conveying device includes second pressure table pack；
Clamping device, the clamping device are arranged on the table top of the testboard, and the clamping device is configured to close
The tight fire hydrant of binder, the clamping device include the first clamping device and the second clamping device, and first clamping device is by structure
It makes as the body pedestal for fire hydrant described in sealed clamping, second clamping device is configured to described in sealed clamping
The water outlet of fire hydrant, first clamping device have the first water stream channel for being connected to the body pedestal, and described second
Clamping device has the second water stream channel being connected to the water outlet；And
Air delivery device；
First water stream channel is connect with the described first secondary conveying device, second water stream channel and the second secondary conveying
Device connection, the air delivery device are connect with the described first secondary conveying device, and the air delivery device and the second secondary conveying fill
Set connection.
2. pressure testing machine according to claim 1, it is characterised in that:
The main conveying device includes being recycled back to water tank, high-pressure hydraulic pump, water storage surge tank, main flow size regulating valve, main water inlet
High-pressure check valve and main line hand-operated valve；
The portion of drawing water of the high-pressure hydraulic pump is connect with the water tank that is recycled back to, and the outlet part of the high-pressure hydraulic pump and the water storage are slow
Rush tank connection；
The main flow size regulating valve and the main water inlet high-pressure check valve are set to the high-pressure hydraulic pump and the water storage is slow
It rushes between tank, the main flow size regulating valve is connected to the main water inlet high-pressure check valve；
Main line hand-operated valve one end is connect with the water storage surge tank, the main line hand-operated valve other end and Three-way joint for water pipe
Connector connection；
The air delivery device includes gas source output, the gas source output by main tracheae threeway respectively with the first accessory trachea three
It is logical to be connected with the second accessory trachea four-way.
3. pressure testing machine according to claim 2, it is characterised in that:
Described first secondary conveying device further includes the first flow of inlet water regulating valve, the first water inlet pneumatic operated valve, the first high-pressure check valve
With first row water pneumatic operated valve；
The first water inlet pneumatic operated valve and the first row water pneumatic operated valve are connect with the first accessory trachea threeway respectively；
First water inlet pneumatic operated valve one end is connected to the first flow of inlet water regulating valve, the first flow of inlet water regulating valve
It is connect with the Three-way joint for water pipe connector, the first water inlet pneumatic operated valve other end is connected to first high-pressure check valve；
First high-pressure check valve, the first pressure table pack, the first row water pneumatic operated valve, first water stream channel
It is connected to by the first water pipe four-way connection.
4. pressure testing machine according to claim 2, it is characterised in that:
Described second secondary conveying device further includes the second flow of inlet water regulating valve, the second water inlet pneumatic operated valve, the second high-pressure check valve
With second row water pneumatic operated valve；
The second water inlet pneumatic operated valve and the second row water pneumatic operated valve are connect with the second accessory trachea four-way respectively；
Second water inlet pneumatic operated valve one end is connected to the second flow of inlet water regulating valve, the second flow of inlet water regulating valve
It is connect with the Three-way joint for water pipe connector, the second water inlet pneumatic operated valve other end is connected to second high-pressure check valve；
Second high-pressure check valve, the second pressure table pack, the second row water pneumatic operated valve, second water stream channel
It is connected to by the second water pipe four-way connection.
5. pressure testing machine according to claim 3, it is characterised in that:
The main tracheae threeway and it is described first water inlet pneumatic operated valve between be provided with the first water inlet control solenoid valve, described first into
Water management solenoid valve is configured to control the first water inlet pneumatic operated valve opening and closing, the main tracheae threeway and the first row
First row water management solenoid valve is provided between water pneumatic operated valve, the first row water management solenoid valve is configured to control institute
State the opening and closing of first row water pneumatic operated valve；
The first row water pneumatic operated valve is connect with the water tank that is recycled back to.
6. pressure testing machine according to claim 4, it is characterised in that:
The main tracheae threeway and it is described second water inlet pneumatic operated valve between be provided with the second water inlet control solenoid valve, described second into
Water management solenoid valve is configured to control the second water inlet pneumatic operated valve opening and closing, the main tracheae threeway and the second row
Second row water management solenoid valve is provided between water pneumatic operated valve, the second row water management solenoid valve is configured to control institute
State the opening and closing of second row water pneumatic operated valve；
The second row water pneumatic operated valve is connect with the water tank that is recycled back to.
7. pressure testing machine according to claim 2, it is characterised in that:
It is provided with water pump between the main line hand-operated valve and the water storage surge tank and suppresses control pressure gauge, the testboard platform
Face is provided with table top drainage hole, and the table top drainage hole is connect with the water tank that is recycled back to.
8. pressure testing machine according to claim 2, it is characterised in that:
First clamping device includes mounting base, clamping jaw and air pressure pushing meanss；
The mounting base is connect with the testboard, and the mounting base has through-hole, and it is logical that the through-hole limits first water flow
Road；
The clamping jaw is fixedly connected with the mounting base, connector is movably set in the mounting base, the connector is by structure
It makes as connecting the body pedestal；
The air pressure pushing meanss are arranged on the testboard, and the air pressure pushing meanss are led to second accessory trachea four
It connects, the air pressure pushing meanss include cylinder and push rod, and the push rod is connect with the cylinder, and the connector is in the push rod
Driving under enter the clamping jaw in.
9. pressure testing machine according to claim 1, it is characterised in that:
Second clamping device includes the first mounting base and the second mounting base of hydraulic pushing device and vertical spacing setting,
First mounting base is configured to connect the water outlet, and the hydraulic pushing device and second mounting base connect
It connects；
First mounting base is connect with the testboard, and first mounting base and second mounting base are connected by pull rod
It connects, first mounting base has throughbore, and the throughbore limits second water stream channel；
The hydraulic pushing device includes oil cylinder and pressure head, and the pressure head is connect with the oil cylinder, and the pressure head is configured to
The one end of the fire hydrant far from the water outlet is compressed under the driving of the oil cylinder.
10. a kind of pressure testing system, it is characterised in that:
The pressure testing system has pressure testing machine of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164914.1U CN208520515U (en) | 2018-07-20 | 2018-07-20 | A kind of pressure testing machine and pressure testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164914.1U CN208520515U (en) | 2018-07-20 | 2018-07-20 | A kind of pressure testing machine and pressure testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208520515U true CN208520515U (en) | 2019-02-19 |
Family
ID=65336154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821164914.1U Active CN208520515U (en) | 2018-07-20 | 2018-07-20 | A kind of pressure testing machine and pressure testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208520515U (en) |
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2018
- 2018-07-20 CN CN201821164914.1U patent/CN208520515U/en active Active
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