CN113281031A - Security protection door security and reliability test system - Google Patents
Security protection door security and reliability test system Download PDFInfo
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- CN113281031A CN113281031A CN202110760345.7A CN202110760345A CN113281031A CN 113281031 A CN113281031 A CN 113281031A CN 202110760345 A CN202110760345 A CN 202110760345A CN 113281031 A CN113281031 A CN 113281031A
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 239000000779 smoke Substances 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000007306 turnover Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a security door safety and reliability testing system which comprises a lower main body, wherein a heat conduction chamber is arranged in the lower main body, a heating chamber is arranged in the inner wall of the lower side of the heat conduction chamber in a communicated manner, a heating assembly capable of heating the space of the heat conduction chamber is arranged in the heating chamber, a placing groove with an upward opening and used for placing a testing door plate is arranged in the inner wall of the upper side of the heat conduction chamber in a communicated manner, pressure swinging chambers which are symmetrical about the heat conduction chamber and communicated with the placing groove are arranged in the left side and the right side of the heat conduction chamber, and a pressure assembly is arranged in each pressure swinging chamber.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a security and reliability testing system for a security door.
Background
The security door is a door capable of meeting the requirements of fire resistance stability, integrity and heat insulation within a certain time. The fire-proof partition is arranged in places such as fire-proof subareas, evacuation staircases, vertical shafts and the like, has certain fire-proof partition, has the functions of preventing fire spreading and smoke diffusion, can prevent the fire spreading within a certain time and ensures personnel evacuation.
It is classified into:
thermal-insulated security protection door (a type): the security door can meet the requirements of fire resistance integrity and heat insulation at the same time within a specified time.
Partial heat insulation security door (type B): within the specified time of more than or equal to 0.50h, the security door meets the requirements of fire resistance integrity and heat insulation.
Non-insulated security door (class C): within the specified time, the security door capable of meeting the requirement of fire-resistant integrity can be realized.
Therefore, in order to ensure the safety and the performance of the security door in production, the security door needs to be tested continuously during production design to test the performances of heat insulation, smoke insulation, destructiveness and the like, the traditional test method tests the security door under a single test condition and cannot simulate the actual fire situation, and therefore, the embodiment aims to design a test system for testing the safety and the reliability of the fire safety door by simulating the fire situation.
Disclosure of Invention
In order to solve the problems, the safety and reliability testing system for the security door is designed in the embodiment, and comprises a lower main body, wherein a heat conduction chamber is arranged in the lower main body, a heating chamber is arranged in the inner wall of the lower side of the heat conduction chamber in a communicated manner, a heating assembly capable of heating the space of the heat conduction chamber is arranged in the heating chamber, and a placing groove with an upward opening and used for placing a testing door plate is arranged in the inner wall of the upper side of the heat conduction chamber in a communicated manner;
pressure swinging chambers which are symmetrical about the heat conduction chamber and communicated with the placing groove are arranged in the left side and the right side of the heat conduction chamber, pressure components are arranged in the pressure swinging chambers, the heating components are controlled by the pressure components, and pressure metering components which control the pressure components to apply test pressure are arranged in the inner wall of the rear side of the pressure swinging chambers;
the upper side of the lower main body is provided with an upper main body matched with the lower main body, a left-right symmetrical vacant cavity is arranged in the upper main body, a measuring component for testing the performance of the door panel after pressurization and smoke addition is arranged in the vacant cavity, and the measuring component is controlled by the pressure component during testing;
the pressure gauge assembly is used for setting rated pressurization pressure to the pressure assembly, so that the performance of the door panel is tested under the heating of the heating assembly under the rated pressure, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and store the measuring assembly.
Preferably, the pressure assembly comprises swinging blocks which are symmetrically arranged in the pressure swinging chamber in the front-back direction, a pressure test push block which can rotate in the pressure swinging chamber is fixedly arranged between the swinging blocks which are symmetrically arranged in the front-back direction, and the pressure test push block is a quarter cylinder;
lower transmission cavities are respectively arranged in the front side inner wall and the rear side inner wall of the pressure swing chamber, lower gears which are coaxially connected with the swing block are rotatably arranged in the lower transmission cavities, a driving gear is arranged between the lower gears which are arranged on the front side and are bilaterally symmetrical, the driving gear is meshed with the lower gear on the left side, the driving gear is meshed with the lower gear on the right side through a transmission gear, and the driving gear is dynamically connected to a pressure gauge component arranged in the inner wall on the front side of the lower transmission cavity on the front side;
the measuring assembly is connected with the pressure assembly in series through the lower gear and is controlled by the pressure assembly through the lower gear.
Preferably, the pressure gauge assembly is arranged in a torsion cavity in the front inner wall of the lower transmission cavity on the front side, a rotating block is rotatably arranged in the torsion cavity, a groove with a backward opening is formed in the rotating block, a rotating block coaxially connected with the driving gear is rotatably arranged in the groove, and a first torsion spring is fixedly arranged between the rotating block and the inner wall of the groove;
the front side end face of the rotating block is fixedly provided with a knob, the front end of the knob extends out of the front side end face of the lower main body, a pointer is carved on the knob, a torsion scale corresponding to the pressure of the first torsion spring is carved on the front side end face of the lower main body, a locking assembly capable of locking the knob is fixedly arranged on the front side end face of the lower main body, after the pressure of the first torsion spring is adjusted through the knob, the knob can be locked through the locking assembly, and then the pressure test value applied to the door panel by the pressure test push block is adjusted.
Preferably, the heating assembly comprises a furnace body which is rotatably arranged in the heating chamber, a furnace chamber with an upward opening is arranged in the furnace body, and heat and smoke can be generated by burning articles in the furnace chamber, so that the test regulation is met;
a traction cavity is arranged in the inner wall of the front side of the heating chamber, a rotary table coaxially connected with the furnace body is rotatably arranged in the traction cavity, a traction rope is wound on the rotary table, the upper end of the traction rope is fixedly connected to the pressure test push block on the right side, and the rotary table can be pulled to overturn through the traction rope when the swinging block rotates, so that the heating condition is removed;
a return cavity is formed in the inner wall of the rear side of the heating chamber, a rotating shaft block coaxially connected with the furnace body is rotatably arranged in the return cavity, a second torsion spring is fixedly connected between the rotating shaft block and the inner wall of the return cavity, and the second torsion spring can drive the furnace body to reset after the pressure assembly resets.
Preferably, the measuring assembly comprises upper transmission cavities which are symmetrically arranged at the front side and the rear side of the vacant cavity in a front-back manner, upper gears which can be meshed with the lower gears are rotatably arranged in the upper transmission cavities, the upper gears at the front side and the rear side are connected through a rotating shaft, and the rotating shaft transversely penetrates through the vacant cavity;
a reset component is arranged between the rotating shaft and the upper main body.
A first oscillating bar capable of oscillating in the vacant cavity is fixedly arranged on the rotating shaft, the lower end of the first oscillating bar is rotatably connected with a second oscillating bar, one end, far away from the first oscillating bar, of the second oscillating bar is rotatably connected with a third oscillating bar, one end, far away from the second oscillating bar, of the third oscillating bar is rotatably connected with a fourth oscillating bar, the upper end of the fourth oscillating bar is rotatably connected to the inner wall of the upper side of the vacant cavity, the first oscillating bar, the second oscillating bar, the third oscillating bar and the fourth oscillating bar form a six-rod linkage, the lower ends of the first oscillating bar and the fourth oscillating bar are fixedly provided with temperature testers, the lower ends of the temperature testers abut against the upper surface of a door plate during testing, and the temperature change of the upper surface of the door plate is measured;
and smoke concentration testers are fixedly arranged on the upper surfaces of the left and right vacant cavities and used for testing smoke changes in a space formed by the upper surface of the door panel and the vacant cavities.
Preferably, the inner walls of the left side and the right side of the heat conduction chamber are fixedly provided with temperature sensors, and the temperature sensors measure the temperature generated by the heating assembly;
the temperature sensor, the temperature tester and the smoke concentration tester are connected with the PC end and transmit measurement information to the PC end in real time, data obtained by measurement of the temperature sensor, the temperature tester and the smoke concentration tester respectively obtain curve changes at the PC end, and workers can analyze the performance of the security door through the curve changes.
Preferably, in order to reduce the pollution of smoke dust to air during testing, the inner walls of the left side and the right side of the heating chamber, which are close to the inner wall of the lower side, are respectively provided with a vent hole, the vent hole on the right side is internally and fixedly provided with an air blower, the left end opening of the vent hole on the left side is fixedly provided with a smoke dust purifier, combustion efficiency can be increased by blowing air into the heating chamber through the air blower, the air quantity of the air blower is increased after the furnace body is turned over, the effect of rapidly reducing the temperature can be achieved, and the smoke dust purifier filters the air exhausted through the vent hole on the left side.
Has the advantages that: this device is simple to use, and convenient operation is testing the during operation, and the high smoke and dust condition of high temperature when this device imitates the conflagration and takes place carries out thermal-insulated cigarette test that separates to security protection door face, simultaneously, is testing, and this device still tests its destructiveness simultaneously, and the change of performance data can be better when the conflagration takes place through same test subject carries out the analysis to its performance, guarantees its security and reliability.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a security door safety and reliability testing system according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" in FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 2;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 1;
FIG. 5 is a schematic structural view of a swinging block and a pressure test pushing block;
FIG. 6 is a side view of the pressure gage assembly;
FIG. 7 is a schematic view of the structure of the torque scale and the pointer
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a security door safety and reliability test system, which is further explained by combining the attached drawings of the invention:
the security door testing system comprises a lower main body 101, wherein a heat conduction chamber 113 is arranged in the lower main body 101, a heating chamber 104 is arranged in the lower inner wall of the heat conduction chamber 113 in a communicated manner, a heating component capable of heating the space of the heat conduction chamber 113 is arranged in the heating chamber 104, and a placing groove 112 with an upward opening and used for placing a testing door plate is arranged in the upper inner wall of the heat conduction chamber 113 in a communicated manner;
an upper main body 115 matched with the lower main body 101 is arranged on the upper side of the lower main body 101, a left-right symmetrical vacant cavity 116 is arranged in the upper main body 115, a measuring component for testing the performance of the door panel after pressurization and smoke addition is arranged in the vacant cavity 116, and the measuring component is controlled by the pressure component during testing;
the pressure gauge assembly is used for setting rated pressurization pressure to the pressure assembly, so that the performance of the door panel is tested under the heating of the heating assembly under the rated pressure, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and store the measuring assembly.
Advantageously, as shown in fig. 1 to 7, the pressure assembly includes swing blocks 109 which are arranged in the pressure swing chamber 129 in a front-back symmetrical manner, a pressure test push block 108 which can rotate in the pressure swing chamber 129 is fixedly arranged between the swing blocks 109 in the front-back symmetrical manner, and the pressure test push block 108 is a quarter cylinder;
the measuring assembly is connected in series with the pressure assembly through the lower gear 131 and is controlled by the pressure assembly through the lower gear 131;
a reset assembly is disposed between the rotating shaft 121 and the upper body 115.
Advantageously, as shown in fig. 6 and 7, the pressure gauge assembly is disposed in a torsion cavity 154 in a front inner wall of the lower transmission cavity 132 on the front side, a rotation block 159 is rotatably disposed in the torsion cavity 154, a groove 151 with a backward opening is disposed in the rotation block 159, a rotation block 153 coaxially connected with the driving gear 142 is rotatably disposed in the groove 151, and a first torsion spring 152 is fixedly disposed between the rotation block 153 and the inner wall of the groove 151;
a knob 155 with a front end extending out of the front end face of the lower body 101 is fixedly arranged on the front side end face of the rotating block 159, a pointer 163 is depicted on the knob 155, a torsion scale 161 corresponding to the pressure of the first torsion spring 152 is depicted on the front side end face of the lower body 101, a locking assembly 156 capable of locking the knob 155 is fixedly arranged on the front side end face of the lower body 101, and after the pressure of the first torsion spring 152 is adjusted by the knob 155, the knob 155 can be locked by the locking assembly 156, so that the pressure test push block 108 can adjust the pressure test value applied to the door panel.
Advantageously, as shown in fig. 1 to 5, the heating assembly includes a furnace body 105 rotatably disposed in the heating chamber 104, a furnace chamber 106 with an upward opening is disposed in the furnace body 105, and heat and smoke can be generated by burning the articles in the furnace chamber 106, so as to satisfy the test regulation;
a traction cavity 135 is arranged in the inner wall of the front side of the heating chamber 104, a turntable 136 coaxially connected with the furnace body 105 is rotatably arranged in the traction cavity 135, a traction rope 138 is wound on the turntable 136, the upper end of the traction rope 138 is fixedly connected to the pressure test push block 108 on the right side, and when the swinging block 109 rotates, the turntable 136 can be dragged to turn over through the traction rope 138, so that the heating condition is removed;
a return cavity 127 is arranged in the inner wall of the rear side of the heating chamber 104, a rotating shaft block coaxially connected with the furnace body 105 is rotatably arranged in the return cavity 127, a second torsion spring 128 is fixedly connected between the rotating shaft block and the inner wall of the return cavity 127, and the second torsion spring 128 can drive the furnace body 105 to return after the pressure component returns.
Advantageously, as shown in fig. 1 to 4, the measuring assembly includes upper transmission cavities 133 disposed at front and rear sides of the empty cavity 116 in a front-rear symmetrical manner, upper gears 134 capable of meshing with the lower gears 131 are rotatably disposed in the upper transmission cavities 133, the upper gears 134 at front and rear sides are connected through a rotating shaft 121, and the rotating shaft 121 traverses the empty cavity 116;
a first swing rod 122 capable of swinging in the vacant cavity 116 is fixedly arranged on the rotating shaft 121, the lower end of the first swing rod 122 is rotatably connected with a second swing rod 124, one end, far away from the first swing rod 122, of the second swing rod 124 is rotatably connected with a third swing rod 125, one end, far away from the second swing rod 124, of the third swing rod 125 is rotatably connected with a fourth swing rod 126, the upper end of the fourth swing rod 126 is rotatably connected to the inner wall of the upper side of the vacant cavity 116, the first swing rod 122, the second swing rod 124, the third swing rod 125 and the fourth swing rod 126 form a six-rod linkage, a temperature tester 123 is fixedly arranged at the lower ends of the first swing rod 122 and the fourth swing rod 126, and the lower end of the temperature tester 123 is abutted against the upper surface of the door panel during testing and measures the temperature change of the upper surface of the door panel;
the upper surface of the vacant cavity 116 on the left and right sides is fixedly provided with a smoke concentration tester 171, and the smoke concentration tester 171 tests the smoke change in the space formed by the upper surface of the door panel and the vacant cavity 116.
Beneficially, the inner walls of the left and right sides of the heat conducting chamber 113 are fixedly provided with temperature sensors 114, and the temperature sensors 114 measure the temperature generated by the heating assembly;
the temperature sensor 114, the temperature tester 123 and the smoke concentration tester 171 are connected with a PC end and transmit measurement information to the PC end in real time, data obtained by measurement of the temperature sensor 114, the temperature tester 123 and the smoke concentration tester 171 respectively obtain curve changes at the PC end, and workers can analyze the performance of the security door through the curve changes.
Advantageously, the heating chamber 104 is provided with air vents 103 in the left and right inner walls near the lower inner wall, the right air vent 103 is provided with a blower 107, the left end opening of the left air vent 103 is provided with a smoke purifier 102, the blower 107 blows air into the heating chamber 104 to increase the combustion efficiency, the air volume of the blower 107 is increased after the furnace body 105 is turned over to play a role of rapidly cooling, and the smoke purifier 102 filters the air exhausted through the left air vent 103.
In an initial state, the upper body 115 and the lower body 101 are away from each other, the lower end of the temperature tester 123 is flush with the lower end face of the upper body 115, meanwhile, the upper end face of the pressure test push block 108 is flush with the upper end opening of the pressure swing chamber 129, the opening of the furnace chamber 106 is upward, and meanwhile, the knob 155 is in an unlocked state.
When testing the fire panel, a user places the testing board in the placing groove 112, presses the upper body 115 onto the upper end surface of the lower body 101 and causes the upper gear 134 to engage with the lower gear 131, at this time, the lower end of the temperature tester 123 abuts against the upper end surface of the board, the upper end of the pressure testing push block 108 abuts against both sides of the lower end surface of the board, at this time, the user rotates the knob 155 to drive the rotation block 159 to rotate, further, the torsion is stored in the first torsion spring 152 by the deformation of the first torsion spring 152, and the knob 155 is locked by the locking component 156 when the testing value is marked by the torsion scale 161, at this time, the heat and smoke generated by the ignited flame in the cavity 106 are raised to the heat conducting chamber 113, the heat insulation and smoke insulation performance of the board surface can be tested;
during the test, the temperature tester 123 measures the temperature of the upper surface of the board, and the smoke concentration tester 171 tests the smoke passing content;
in the heating process, the strength of the plate surface is reduced, the plate surface is subjected to a destructive test by applying pressure, when the plate surface strength is less than the pressure applied to the plate surface by the first torsion spring 152 through the pressure test push block 108, the pressure test push blocks 108 on the two sides extrude and break the two ends of the plate surface upwards through extrusion, in the process, the pressure test push block 108 which rotates upwards drives the turntable 136 to turn over through the traction rope 138, so that the furnace body 105 is driven to turn over, the flame in the furnace chamber 106 turns over downwards to stop heating, and meanwhile, the air blower 107 increases the air volume and takes away the heat through the vent hole 103;
meanwhile, the swing block 109 is turned upwards to drive the lower gear 131 to drive the upper gear 134 to rotate through the lower gear 131, and further drive the second swing link 124, the third swing link 125 and the fourth swing link 126 to rotate through the rotating shaft 121, so as to drive the temperature tester 123 to move upwards to be separated from the butting joint with the upper end surface of the board, thereby preventing the damage of the cracked board surface to the temperature tester 123 and the damage of the board surface to the temperature tester 123 through the heat flushed from the heat conduction chamber 113;
after the test is completed, the board safety and reliability can be tested through the data measured by the temperature sensor 114, the temperature tester 123 and the smoke concentration tester 171.
The invention has the beneficial effects that: this device is simple to use, and convenient operation is testing the during operation, and the high smoke and dust condition of high temperature when this device imitates the conflagration and takes place carries out thermal-insulated cigarette test that separates to security protection door face, simultaneously, is testing, and this device still tests its destructiveness simultaneously, and the change of performance data can be better when the conflagration takes place through same test subject carries out the analysis to its performance, guarantees its security and reliability.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (7)
1. The utility model provides a security protection door security and reliability test system, security protection door test system includes lower main part, its characterized in that: a heat conduction chamber is arranged in the lower main body, a heating chamber is arranged in the lower inner wall of the heat conduction chamber in a communicated manner, a heating assembly capable of heating the space of the heat conduction chamber is arranged in the heating chamber, and a placing groove with an upward opening and used for placing a test door plate is arranged in the upper inner wall of the heat conduction chamber in a communicated manner;
pressure swinging chambers which are symmetrical about the heat conduction chamber and communicated with the placing groove are arranged in the left side and the right side of the heat conduction chamber, pressure components are arranged in the pressure swinging chambers, the heating components are controlled by the pressure components, and pressure metering components which control the pressure components to apply test pressure are arranged in the inner wall of the rear side of the pressure swinging chambers;
the upper side of the lower main body is provided with an upper main body matched with the lower main body, a left-right symmetrical vacant cavity is arranged in the upper main body, a measuring component for testing the performance of the door panel after pressurization and smoke addition is arranged in the vacant cavity, and the measuring component is controlled by the pressure component during testing;
the pressure gauge assembly is used for setting rated pressurization pressure to the pressure assembly, so that the performance of the door panel is tested under the heating of the heating assembly under the rated pressure, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and store the measuring assembly.
2. The security door safety and reliability test system of claim 1, wherein: the pressure assembly comprises swing blocks which are symmetrically arranged in the pressure swing chamber in the front-back direction, a pressure test push block which can rotate in the pressure swing chamber is fixedly arranged between the swing blocks which are symmetrically arranged in the front-back direction, and the pressure test push block is a quarter cylinder;
lower transmission cavities are respectively arranged in the front side inner wall and the rear side inner wall of the pressure swing chamber, lower gears which are coaxially connected with the swing block are rotatably arranged in the lower transmission cavities, a driving gear is arranged between the lower gears which are arranged on the front side and are bilaterally symmetrical, the driving gear is meshed with the lower gear on the left side, the driving gear is meshed with the lower gear on the right side through a transmission gear, and the driving gear is dynamically connected to a pressure gauge component arranged in the inner wall on the front side of the lower transmission cavity on the front side;
the measuring assembly is connected with the pressure assembly in series through the lower gear and is controlled by the pressure assembly through the lower gear.
3. The security door safety and reliability test system of claim 1, wherein: the pressure gauge assembly is arranged in a torsion cavity in the inner wall of the front side of the lower transmission cavity on the front side, a rotating block is rotatably arranged in the torsion cavity, a groove with a backward opening is formed in the rotating block, a rotating block coaxially connected with the driving gear is rotatably arranged in the groove, and a first torsion spring is fixedly arranged between the rotating block and the inner wall of the groove; the front side end face of the rotating block is fixedly provided with a knob, the front end of the knob extends out of the front side end face of the lower main body, a pointer is carved on the knob, a torsion scale corresponding to the pressure of the first torsion spring is carved on the front side end face of the lower main body, a locking assembly capable of locking the knob is fixedly arranged on the front side end face of the lower main body, and the knob can be locked through the locking assembly after the pressure of the first torsion spring is adjusted through the knob.
4. The security door safety and reliability test system of claim 1, wherein: the heating assembly comprises a furnace body which is rotatably arranged in the heating chamber, a furnace chamber with an upward opening is arranged in the furnace body, and heat and smoke can be generated by burning articles in the furnace chamber so as to meet the requirement of test regulation;
a traction cavity is arranged in the inner wall of the front side of the heating chamber, a rotary table coaxially connected with the furnace body is rotatably arranged in the traction cavity, a traction rope is wound on the rotary table, and the upper end of the traction rope is fixedly connected to the pressure test push block on the right side;
a return cavity is formed in the inner wall of the rear side of the heating chamber, a rotating shaft block coaxially connected with the furnace body is rotatably arranged in the return cavity, and a second torsion spring is fixedly connected between the rotating shaft block and the inner wall of the return cavity.
5. The security door safety and reliability test system of claim 1, wherein: the measuring assembly comprises upper transmission cavities which are symmetrically arranged at the front side and the rear side of the vacant cavity in a front-back mode, upper gears which can be meshed with the lower gears are rotatably arranged in the upper transmission cavities, the upper gears at the front side and the rear side are connected through rotating shafts, and the rotating shafts transversely penetrate through the vacant cavities;
a reset component is arranged between the rotating shaft and the upper main body;
a first oscillating bar capable of oscillating in the vacant cavity is fixedly arranged on the rotating shaft, the lower end of the first oscillating bar is rotatably connected with a second oscillating bar, one end, far away from the first oscillating bar, of the second oscillating bar is rotatably connected with a third oscillating bar, one end, far away from the second oscillating bar, of the third oscillating bar is rotatably connected with a fourth oscillating bar, the upper end of the fourth oscillating bar is rotatably connected to the inner wall of the upper side of the vacant cavity, the first oscillating bar, the second oscillating bar, the third oscillating bar and the fourth oscillating bar form a six-rod linkage, and temperature testers are fixedly arranged at the lower ends of the first oscillating bar and the fourth oscillating bar;
and smoke concentration testers are fixedly arranged on the upper surfaces of the left and right vacant cavities and used for testing smoke changes in a space formed by the upper surface of the door panel and the vacant cavities.
6. The security door safety and reliability test system of claim 1, wherein: temperature sensors are fixedly arranged on the inner walls of the left side and the right side of the heat conduction chamber, and the temperature sensors are used for measuring the temperature generated by the heating assembly;
the temperature sensor, the temperature tester and the smoke concentration tester are connected with a PC end and transmit measurement information to the PC end in real time, and data obtained by measurement of the temperature sensor, the temperature tester and the smoke concentration tester respectively obtain curve changes at the PC end.
7. The security door safety and reliability test system of claim 1, wherein: in order to reduce the pollution of smoke dust to air during testing, air vents are respectively arranged in the left inner wall and the right inner wall of the heating chamber close to the lower inner wall, air blowers are fixedly arranged in the air vents on the right side, and smoke dust purifiers are fixedly arranged at the left end openings of the air vents on the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760345.7A CN113281031B (en) | 2021-07-06 | 2021-07-06 | Security door safety and reliability test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760345.7A CN113281031B (en) | 2021-07-06 | 2021-07-06 | Security door safety and reliability test system |
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| CN113281031A true CN113281031A (en) | 2021-08-20 |
| CN113281031B CN113281031B (en) | 2024-05-03 |
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2021
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|---|---|---|---|---|
| US5012455A (en) * | 1989-10-11 | 1991-04-30 | Revolving Door Control, Inc. | Security door with improved sensor for detecting unauthorized passage |
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