CN207439658U - A kind of fire fighting fastener claw tensile failure test machine - Google Patents
A kind of fire fighting fastener claw tensile failure test machine Download PDFInfo
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- CN207439658U CN207439658U CN201721405478.8U CN201721405478U CN207439658U CN 207439658 U CN207439658 U CN 207439658U CN 201721405478 U CN201721405478 U CN 201721405478U CN 207439658 U CN207439658 U CN 207439658U
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- fire fighting
- fixture
- fighting fastener
- claw
- test machine
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Abstract
The utility model category fire product test device technical field, refer in particular to a kind of fire fighting fastener claw tensile failure test machine, including rack, the first fixture for clamping fire fighting fastener upper end is installed in rack, and clamp the second fixture of fire fighting fastener lower end, the rack is equipped with the motion bar stretched into inside the first fixture, fire fighting fastener and the second fixture, and motion bar is driven by rack-mounted driving device.Its test mode stretches into the first fixture, the motion bar of fire fighting fastener and the second fixture by one and constantly presses to realize the claw for destroying fire fighting fastener to the end face of the second fixture, since driving device is a continual pressure process to the pressure of motion bar, therefore its pressure value controls very well, it will not be adjusted as the poor quality of weight in traditional test mode, and it replaces weight without multiple, measurement is also more convenient.
Description
Technical field
The utility model category fire product test device technical field refers in particular to a kind of fire fighting fastener claw tensile failure test
Machine.
Background technology
Fire-fighting equipment is seen everywhere in city, such as indoor and outdoor fire hydrant, with fire hydrant it is mating be connected with it is soft
The quick coupling of matter water pipe and water gun nozzle in use, connector and position of hydrant are clamped, open fire hydrant, high pressure water flow is then
It can be ejected through connector, soft water pipe and water gun nozzle；The intensity of fire fighting fastener and the rubber seal performance of interface are to be related to
Fire fighting fastener whether the key that can be used safely, if occur buckle fracture and drainage, then go out in actual use
Existing buckle fracture influences whether fireman's life security, and the hydraulic pressure entered in water gun nozzle can be also affected to some extent.Disappear
Anti- buckle is to realize to unclamp or lock by the claw on two banjo fixing butt jointings, and claw is bearing the work more than its weight range
When firmly, will deform fracture, and fire fighting fastener leakproofness is caused to decline, the situation of leak occurs.Traditional measurement fire-fighting connects
The mode of the pulling force tolerance range of snap finger is measured by hanging weight on underlying connector, and which is deposited
Measuring the problems such as accuracy is not high, and measurement efficiency is low.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of convenient, the high fire fighting fastener claw pulling force of accuracy of measurement
Destroy test machine.
What the purpose of this utility model was realized in：
A kind of fire fighting fastener claw tensile failure test machine including rack, is equipped in rack and clamps fire fighting fastener upper end
The first fixture and clamp the second fixture of fire fighting fastener lower end, the rack is equipped with and stretches into the first fixture, fire fighting fastener
With the motion bar inside the second fixture, motion bar is driven by rack-mounted driving device.
In above-mentioned fire fighting fastener claw tensile failure test machine, first fixture is equipped with the lower face of a closing,
The motion bar is connected under the action of driving device on lower face, and applies pressure.
In above-mentioned fire fighting fastener claw tensile failure test machine, water tank and compression pump, institute are additionally provided in the rack
It states and is connected between water tank, compression pump and the first fixture by pipe, the compression pump squeezes into the water in water tank in fire fighting fastener.
In above-mentioned fire fighting fastener claw tensile failure test machine, the inner wall of first fixture and the second fixture is equipped with
Multiple tracks annular groove, annular groove is interior to be equipped with O-ring seal, and O-ring seal and the outer wall of the fire fighting fastener form the first seal area
Domain.
In above-mentioned fire fighting fastener claw tensile failure test machine, first fixture may be detachably retained at
In rack, and positioned at the lower section of driving device.
In above-mentioned fire fighting fastener claw tensile failure test machine, the driving device is cylinder or oil cylinder.
In above-mentioned fire fighting fastener claw tensile failure test machine, the cylinder or oil cylinder are equipped with pressure sensor,
When the fire fighting fastener claw destroys under motion bar effect, the pressure threshold on the pressure sensor record motion bar.
In above-mentioned fire fighting fastener claw tensile failure test machine, the front end of the motion bar is equipped with a rubber pad.
In above-mentioned fire fighting fastener claw tensile failure test machine, be additionally provided in the rack PIC display screens, operation by
Key and test paper print mouth.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
The fire fighting fastener claw tensile failure test machine of the utility model, test mode by one stretch into the first fixture,
The motion bar of fire fighting fastener and the second fixture simultaneously constantly presses the end face of the second fixture to realize the claw for destroying fire fighting fastener,
Since driving device is a continual pressure process to the pressure of motion bar, pressure value controls very well, will not
As poor quality's adjusting of weight in traditional test mode, and it replaces weight without multiple, and measurement is also more convenient.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of fire fighting fastener claw tensile failure test machine,
Fig. 2 is partial enlarged view at A.
Fig. 3 is the structure diagram of fire fighting fastener claw tensile failure test machine.
1- racks, the first fixtures of 2-, the second fixtures of 3-, 4- motion bars, 5- driving devices, 6- water tanks, 7- compression pumps, 8- pipes
Son, 9- fire fighting fasteners, 10- claws, 11- pressure sensors, 12- annular grooves, 13-O type sealing rings, 14- rubber pads, 15-PIC are shown
Display screen, 16- operation buttons, 17- test paper print mouth.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings,
As shown in Figure 1, a kind of fire fighting fastener claw tensile failure test machine, including rack 1, is equipped with clamping in rack 1
First fixture 2 of 9 upper end of fire fighting fastener and the second fixture 3 for clamping 9 lower end of fire fighting fastener, the rack 1 are equipped with and stretch into
Motion bar 4 inside first fixture 2,9 and second fixture 3 of fire fighting fastener, motion bar 4 is by the driving device 5 that is mounted in rack 1
It drives, first fixture 2 is equipped with the lower face of a closing, and the motion bar 4 is connected to down under the action of driving device 5
On end face, and apply pressure.Traditional claw pulling force tolerance range is tested by hanging weight in fire fighting fastener lower end, weight
Quality constantly up increases, until claw cannot withstand corresponding weight, is damaged, records the quality of weight, and be converted into
Corresponding maximum pull bearing value, but since the quality increase of weight is that presentation is stepped, and the increase of discontinuous, because
This very will can not accurately measure a specific numerical value there are measured deviation, but an opposite tolerance range,
It is required for just seeming cumbersome by addition, measurement method manually every time further, since the quality of weight increases, efficiency is low
Under.The test machine stretches into the first fixture 2,9 and second fixture 3 of fire fighting fastener by one, and is connected to the lower face of the second fixture 3
On motion bar 4 come to the constantly pressurization of the second fixture 3, power resources are in driving device 5 connected to it, and the power
Increase is continuous, and there is no interruptions, then its measured value will be precisely very much, it may be determined that specific numerical value, in addition, plus
Journey is pressed through all to be completed by driving device 5, it is very convenient.
As shown in Figure 1, in above-mentioned fire fighting fastener claw tensile failure test machine, water tank 6 is additionally provided in the rack 1
With compression pump 7, connected between the water tank 6,7 and first fixture 2 of compression pump by pipe 8, the compression pump 7 will be in water tank 6
Water squeeze into fire fighting fastener 9, after 9 inner filling water of fire fighting fastener, once the connection of claw 10 destroys, necessarily occur
Notch, this just means that the claw 10 of fire fighting fastener 9 has been in failure state, so, visually just can easily see
The phenomenon is exactly that claw 10 is destroyed this phenomenon to be exaggerated in simple terms, enables tester at the first time can
To observe.
As shown in Fig. 2, in above-mentioned fire fighting fastener claw tensile failure test machine, first fixture 2 and second presss from both sides
The inner wall of tool 3 is equipped with multiple tracks annular groove 12, and O-ring seal 13, O-ring seal 13 and the fire fighting fastener are equipped in annular groove 12
9 outer wall forms the first sealing area, and the first sealing area can ensure that not having gap between fixture and fire fighting fastener 9 deposits
Water being avoided except can be flowed out from 10 junction of claw, will not leaked from other positions.
As shown in Figure 1, in above-mentioned fire fighting fastener claw tensile failure test machine, first fixture 2 is with detachable
Mode be fixed in rack 1, and positioned at the lower section of driving device 5, the first fixture 2 can be according to the caliber of fire fighting fastener 9 more
Change corresponding specification.
In above-mentioned fire fighting fastener claw tensile failure test machine, the driving device 5 be cylinder or oil cylinder, oil cylinder or
Person's cylinder is all the process continuously to press to power, and there is no desultory situations, can meet test very well for accuracy
It is required that.
As shown in Figure 1, in above-mentioned fire fighting fastener claw tensile failure test machine, the cylinder or oil cylinder are equipped with pressure
Force snesor 11, when 9 claw 10 of fire fighting fastener destroys under the effect of motion bar 4,11 record of the pressure sensor activity
Pressure threshold on bar 4.
As shown in Figure 1, in above-mentioned fire fighting fastener claw tensile failure test machine, the front end of the motion bar 4 is equipped with
One rubber pad 14, rubber pad 14 act as avoiding 4 front end of motion bar to make motion bar 4 or the with mutually abutting for the second fixture 3
Two fixtures 3 are damaged, and rubber pad 14 can play the role of buffering.
As shown in figure 3, in above-mentioned fire fighting fastener claw tensile failure test machine, it is additionally provided with PIC in the rack 1 and shows
Display screen 15, operation button 16 and test paper print mouth 17.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (9)
1. a kind of fire fighting fastener claw tensile failure test machine, which is characterized in that including rack (1), rack is equipped with folder on (1)
First fixture (2) of tight fire fighting fastener (9) upper end and the second fixture (3) for clamping fire fighting fastener (9) lower end, the rack
(1) be equipped with and stretch into the first fixture (2), the motion bar (4) inside fire fighting fastener (9) and the second fixture (3), motion bar (4) by
Driving device (5) in rack (1) drives.
2. fire fighting fastener claw tensile failure test machine according to claim 1, which is characterized in that first fixture
(2) lower face of a closing is equipped with, the motion bar (4) is connected on lower face under the action of driving device, and applies pressure
Power.
3. fire fighting fastener claw tensile failure test machine according to claim 2, which is characterized in that in the rack (1)
Water tank (6) and compression pump (7) are additionally provided with, between the water tank (6), compression pump (7) and the first fixture (2) by pipe (8) even
It connects, the compression pump (7) squeezes into the water in water tank (6) in fire fighting fastener (9).
4. fire fighting fastener claw tensile failure test machine according to claim 3, which is characterized in that first fixture
(2) and the inner wall of the second fixture (3) is equipped with multiple tracks annular groove (12), and O-ring seal (13) is equipped in annular groove (12), O-shaped close
Seal (13) and the outer wall of the fire fighting fastener (9) form the first sealing area.
5. fire fighting fastener claw tensile failure test machine according to claim 1, which is characterized in that first fixture
(2) may be detachably retained in rack (1), and positioned at the lower section of driving device (5).
6. the fire fighting fastener claw tensile failure test machine according to claim 1 or 2 or 3 or 4 or 5, which is characterized in that institute
Driving device (5) is stated as cylinder or oil cylinder.
7. fire fighting fastener claw tensile failure test machine according to claim 6, which is characterized in that the cylinder or oil cylinder
Pressure sensor (11) is equipped with, when fire fighting fastener (9) claw (10) is destroyed under motion bar (4) effect, the pressure
Pressure threshold on sensor (11) record motion bar (4).
8. fire fighting fastener claw tensile failure test machine according to claim 1 or 2, which is characterized in that the motion bar
(4) front end is equipped with a rubber pad (14).
9. fire fighting fastener claw tensile failure test machine according to claim 1 or 2, which is characterized in that the rack (1)
On be additionally provided with PIC display screens (15), operation button (16) and test paper print mouth (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721405478.8U CN207439658U (en) | 2017-10-29 | 2017-10-29 | A kind of fire fighting fastener claw tensile failure test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721405478.8U CN207439658U (en) | 2017-10-29 | 2017-10-29 | A kind of fire fighting fastener claw tensile failure test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439658U true CN207439658U (en) | 2018-06-01 |
Family
ID=62293143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721405478.8U Active CN207439658U (en) | 2017-10-29 | 2017-10-29 | A kind of fire fighting fastener claw tensile failure test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439658U (en) |
-
2017
- 2017-10-29 CN CN201721405478.8U patent/CN207439658U/en active Active
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