CN113281031B - Security door safety and reliability test system - Google Patents
Security door safety and reliability test system Download PDFInfo
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- CN113281031B CN113281031B CN202110760345.7A CN202110760345A CN113281031B CN 113281031 B CN113281031 B CN 113281031B CN 202110760345 A CN202110760345 A CN 202110760345A CN 113281031 B CN113281031 B CN 113281031B
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 239000000779 smoke Substances 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 10
- 230000007306 turnover Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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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
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- General Physics & Mathematics (AREA)
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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 component 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, a pressure swing chamber which is symmetrical with the heat conduction chamber and is communicated with the placing groove is arranged in the left side and the right side of the heat conduction chamber, and a pressure component is arranged in the pressure swing chamber.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a security door safety and reliability testing system.
Background
Security door refers to a door that can meet fire stability, integrity and thermal insulation requirements for a period of time. The fire-proof partition is arranged in a place such as a fire-proof partition area, an evacuation stairwell, a vertical shaft and the like, has a fire-proof partition with certain fire resistance, has the functions of preventing fire from spreading and smoke from spreading, can prevent the fire from spreading within a certain time, and ensures personnel evacuation.
The classification is as follows:
Thermal-insulated security protection door (class a): the security door can simultaneously meet the requirements of fire resistance integrity and heat insulation property within a specified time.
Partial thermal insulation security door (class B): and the security door meets the requirements of fire-resistant integrity and heat insulation within 0.50h or more.
Non-thermal insulation security door (class C): and the security door can meet the fire-resistant integrity requirement within a specified time.
Therefore, in order to ensure the safety and the use performance of the production security door, the production design needs to be continuously tested, and the performances such as heat insulation, smoke isolation, destructiveness and the like are tested, and the traditional testing method is used for testing the fire door under a single testing condition and cannot imitate the actual fire situation, so the test system for testing the safety and the reliability of the fire security door by imitating the fire situation is designed.
Disclosure of Invention
In order to solve the problems, the embodiment designs a security door security 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 component 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;
A pressure swing chamber which is symmetrical with the heat conduction chamber and is communicated with the placing groove is arranged in the left side and the right side of the heat conduction chamber, a pressure component is arranged in the pressure swing chamber, the heating component is controlled by the pressure component, and a pressure metering component for controlling the pressure component to apply test pressure is arranged in the inner wall of the rear side of the pressure swing chamber;
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 empty cavity is arranged in the upper main body, a measuring assembly for testing the performance of the door plate after pressurization and smoke addition is arranged in the empty cavity, and the measuring assembly is controlled by the pressure assembly during testing;
the pressure gauge assembly is used for setting rated pressurization pressure for the pressure assembly, so that the performance of the door panel is tested under the heating of the heating assembly at the rated pressure, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and stores the measuring assembly.
Preferably, the pressure assembly comprises swing blocks which are symmetrically arranged in the pressure swing chamber, a pressure test pushing block which can rotate in the pressure swing chamber is fixedly arranged between the swing blocks which are symmetrically arranged in the front and back, and the pressure test pushing block is a quarter cylinder;
The pressure swing chamber is characterized in that lower transmission cavities are respectively arranged in the front side 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, driving gears are arranged between the lower gears which are symmetrical left and right on the front side and are in meshed connection with the lower gears on the left side, the driving gears are in meshed connection with the lower gears on the right side through transmission gears, and the driving gears are in power connection with pressure gauge assemblies arranged in the front side inner wall of the lower transmission cavity on the front side;
the measuring assembly is connected in series with the pressure assembly 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 at the front side, a rotating block is rotatably arranged in the torsion cavity, a groove with a backward opening is arranged 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 rotary block is characterized in that a knob with the front end extending out of the front end face of the lower main body is fixedly arranged on the front end face of the rotary block, a pointer is marked on the knob, a torsion scale corresponding to the pressure of the first torsion spring is marked on the front end face of the lower main body, a locking component capable of locking the knob is fixedly arranged on the front end face of the lower main body, after the pressure of the first torsion spring is regulated through the knob, the knob can be locked through the locking component, and then the pressure test pushing block is used for regulating a pressure test value applied by a door plate.
Preferably, the heating assembly comprises a furnace body rotatably arranged in the heating chamber, wherein an upward-opening furnace chamber is arranged in the furnace body, and heat and smoke dust can be generated by burning objects in the furnace chamber so as to meet the requirement of test adjustment;
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 pushing block on the right side, and the rotary table can be pulled to turn over through the traction rope when the swing block rotates, so that the heating condition is removed;
A return cavity is arranged 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 return after the pressure assembly returns.
Preferably, the measuring assembly comprises an upper transmission cavity which is symmetrically arranged at the front side and the rear side of the empty cavity, an upper gear which can be meshed with the lower gear is rotatably arranged in the upper transmission cavity, the upper gears at the front side and the rear side are connected through a rotating shaft, and the rotating shaft transversely passes through the empty cavity;
And a reset component is arranged between the rotating shaft and the upper main body.
The rotary shaft is fixedly provided with a first swing rod capable of swinging in the empty cavity, the lower end of the first swing rod is rotatably connected with a second swing rod, one end, away from the first swing rod, of the second swing rod is rotatably connected with a third swing rod, one end, away from the second swing rod, of the third swing rod is rotatably connected with a fourth swing rod, the upper end of the fourth swing rod is rotatably connected to the inner wall of the upper side of the empty cavity, six-bar linkage is formed by the first swing rod, the second swing rod, the third swing rod and the fourth swing rod, the lower ends of the first swing rod and the fourth swing rod are fixedly provided with a temperature tester, the lower ends of the temperature tester are propped against the upper surface of the door plate during testing, and the temperature change of the upper surface of the door plate is measured;
The upper surfaces of the empty cavities on the left side and the right side are fixedly provided with smoke concentration testers, and the smoke concentration testers test smoke changes in a space formed by the upper surfaces of the door plates and the empty cavities.
Preferably, 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 measure the temperature generated by the heating component;
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, the temperature sensor, the temperature tester and the data obtained by measurement of the smoke concentration tester respectively obtain curve change at the PC end, and staff can analyze the performance of the security door through the curve change.
Preferably, in order to reduce the pollution of the smoke dust to the air generated during the test, the inner walls of the heating chamber close to the inner walls of the lower side are respectively provided with vent holes, the vent holes on the right side are internally fixedly provided with a blower, the left end opening part of each vent hole on the left side is fixedly provided with a smoke dust purifier, the combustion efficiency can be increased by blowing the blower into the heating chamber, the air quantity of the blower can be increased after the furnace body is turned over, the effect of rapidly cooling can be achieved, and the smoke dust purifier filters the air exhausted by the vent holes on the left side.
The beneficial effects are that: the device is simple to use, convenient to operate, when carrying out test work, the high temperature and high smoke and dust condition when this device imitates the conflagration and takes place carries out thermal-insulated smoke insulation test to security protection door plant face, simultaneously, in the test, this device still tests its destructiveness simultaneously, can be better through the change of same test main part performance data when the conflagration takes place to analyze its performance, ensure 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 security and reliability test 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 schematic view of a portion of the structure of FIG. 1;
FIG. 5 is a schematic diagram of the structure of the swing block and the pressure test push block;
FIG. 6 is a side view of the pressure gauge assembly;
FIG. 7 is a schematic view of a torsion scale and a pointer
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and for convenience of description, the following orientations will be defined: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The invention relates to a security door safety and reliability testing system, which is further described below with reference to the accompanying drawings:
The security door security and reliability testing system as shown in fig. 1-7 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 inner wall of the lower side 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 test door plate is arranged in the inner wall of the upper side of the heat conduction chamber 113 in a communicated manner;
A pressure swing chamber 129 which is symmetrical with respect to the heat conduction chamber 113 and is communicated with the placing groove 112 is arranged in the left side and the right side of the heat conduction chamber 113, a pressure component is arranged in the pressure swing chamber 129, the heating component is controlled by the pressure component, and a pressure metering component for controlling the test pressure applied by the pressure component is arranged in the inner wall of the rear side of the pressure swing chamber 129;
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 empty cavity 116 is arranged in the upper main body 115, a measuring component for testing the performance of a door plate subjected to pressurization and smoke addition is arranged in the empty 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 for the pressure assembly, so that the performance of the door panel is tested under the heating of the heating assembly at the rated pressure, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and stores the measuring assembly.
Advantageously, as can be seen from fig. 1 to fig. 7, the pressure assembly includes a swing block 109 symmetrically disposed in the pressure swing chamber 129, and a pressure test push block 108 rotatable in the pressure swing chamber 129 is fixedly disposed between the swing blocks 109 symmetrically disposed in front and back, and the pressure test push block 108 is a quarter cylinder;
A lower transmission cavity 132 is respectively arranged in the front side and the rear side inner wall of the pressure swing chamber 129, a lower gear 131 coaxially connected with the swing block 109 is rotatably arranged in the lower transmission cavity 132, a driving gear 142 is arranged between the lower gears 131 which are symmetrical left and right on the front side, the driving gear 142 is meshed with the lower gear 131 on the left side, the driving gear 142 is meshed with the lower gear 131 on the right side through a transmission gear 141, and the driving gear 142 is in power connection with a pressure gauge assembly arranged in the front side inner wall of the lower transmission cavity 132 on the front side;
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 provided between the rotation shaft 121 and the upper body 115.
Advantageously, as shown in fig. 6 and fig. 7, the pressure gauge assembly is disposed in a torsion cavity 154 in the front inner wall of the lower transmission cavity 132 on the front side, a rotating block 159 is rotatably disposed in the torsion cavity 154, a groove 151 with a backward opening is disposed in the rotating block 159, a rotating 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 rotating block 153 and the inner wall of the groove 151;
The front end face of the rotating block 159 is fixedly provided with a knob 155, the front end of which extends out of the front end face of the lower main body 101, a pointer 163 is marked on the knob 155, a torsion scale 161 corresponding to the pressure of the first torsion spring 152 is marked on the front end face of the lower main body 101, the front end face of the lower main body 101 is fixedly provided with a locking assembly 156 capable of locking the knob 155, after the pressure of the first torsion spring 152 is regulated through the knob 155, the knob 155 can be locked through the locking assembly 156, and then the pressure test pushing block 108 can regulate a pressure test value applied by a door plate.
Advantageously, as can be seen from fig. 1 to fig. 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 adjustment;
A traction cavity 135 is arranged in the inner wall of the front side of the heating chamber 104, a rotary table 136 coaxially connected with the furnace body 105 is rotatably arranged in the traction cavity 135, a traction rope 138 is wound on the rotary table 136, the upper end of the traction rope 138 is fixedly connected to the right pressure test pushing block 108, and when the swing block 109 rotates, the rotary table 136 can be pulled to turn over by 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 an upper transmission cavity 133 symmetrically disposed on the front and rear sides of the hollow cavity 116, an upper gear 134 capable of being engaged with the lower gear 131 is rotatably disposed in the upper transmission cavity 133, the upper gears 134 on the front and rear sides are connected by a rotation shaft 121, and the rotation shaft 121 traverses the hollow cavity 116;
the rotating shaft 121 is fixedly provided with a first swing rod 122 capable of swinging in the empty cavity 116, 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 on the upper side of the empty cavity 116, the first swing rod 122, the second swing rod 124, the third swing rod 125 and the fourth swing rod 126 form six-rod linkage, the lower ends of the first swing rod 122 and the fourth swing rod 126 are fixedly provided with a temperature tester 123, and the lower end of the temperature tester 123 is propped against the upper surface of the door plate during testing and the temperature change of the upper surface of the door plate is measured;
The upper surfaces of the empty cavities 116 on the left and right sides are fixedly provided with smoke concentration testers 171, and the smoke concentration testers 171 test smoke changes in a space formed by the upper surfaces of the door plates and the empty cavities 116.
Advantageously, temperature sensors 114 are fixedly arranged on the inner walls of the left and right sides of the heat conducting chamber 113, 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 the PC end and transmit measurement information to the PC end in real time, and the data measured by the temperature sensor 114, the temperature tester 123 and the smoke concentration tester 171 respectively obtain curve changes at the PC end, so that staff can analyze the performance of the security door through the curve changes.
The air purifier is characterized in that the air vents 103 are respectively arranged in the left inner wall and the right inner wall of the heating chamber 104 close to the lower inner wall, the air blower 107 is fixedly arranged in the right air vents 103, the smoke purifier 102 is fixedly arranged at the left end opening of the left air vents 103, the combustion efficiency can be increased by blowing the air blower 107 into the heating chamber 104, the air quantity of the air blower 107 can be increased after the furnace body 105 is overturned, the effect of rapidly cooling can be achieved, and the smoke purifier 102 filters the air exhausted by the left air vents 103.
In the 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 surface of the upper body 115, meanwhile, the upper end surface of the pressure test push block 108 is flush with the upper end opening of the pressure swing chamber 129, the opening of the oven cavity 106 is upward, and meanwhile, the knob 155 is in the unlocked state.
When a fire protection panel is tested, a user puts the test panel into the placing groove 112, simultaneously presses the upper main body 115 onto the upper end face of the lower main body 101 and enables the upper gear 134 to be meshed with the lower gear 131, at this time, the lower end of the temperature tester 123 is abutted against the upper end face of the panel, the upper end of the pressure test pushing block 108 is abutted against two sides of the lower end face of the panel, at this time, the user rotates the knob 155 to drive the rotating block 159 to rotate, further stores torsion into the first torsion spring 152 through deformation of the first torsion spring 152, locks the knob 155 through the locking component 156 when the 162 points to a test value marked by the torsion scale 161, and at this time, heat and smoke generated by flame in the oven cavity 106 are raised into the heat conducting chamber 113, so that the heat insulation and smoke insulation performance of the panel can be tested;
During the testing process, 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 damage resistance is tested by applying pressure, when the strength of the plate surface is smaller than the pressure applied on the plate surface by the first torsion spring 152 through the pressure test pushing block 108, the pressure test pushing blocks 108 on two sides press the two ends of the plate surface upwards through extrusion to break the plate surface, in the process, the upward rotating pressure test pushing blocks 108 drive the turntable 136 to turn over through the traction rope 138, and further drive the furnace body 105 to turn over, so that the flame in the furnace chamber 106 turns down to stop heating, and meanwhile, the air blower 107 increases the air quantity and takes away the heat through the air vent 103;
Meanwhile, the swinging 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 then drive the second swing rod 124, the third swing rod 125 and the fourth swing rod 126 to rotate through the rotating shaft 121, and further drive the temperature tester 123 to move upwards to be separated from the contact with the upper end surface of the board surface, so that the broken board is prevented from damaging the temperature tester 123 and the board surface is prevented from damaging the temperature tester 123 through heat flushed out by the heat conducting chamber 113;
After the test is completed, the data measured by the temperature sensor 114, the temperature tester 123 and the smoke concentration tester 171 can be used for testing the safety and reliability of the board.
The invention has the beneficial effects that: the device is simple to use, convenient to operate, when carrying out test work, the high temperature and high smoke and dust condition when this device imitates the conflagration and takes place carries out thermal-insulated smoke insulation test to security protection door plant face, simultaneously, in the test, this device still tests its destructiveness simultaneously, can be better through the change of same test main part performance data when the conflagration takes place to analyze its performance, ensure 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 (3)
1. The utility model provides a security protection door security and reliability test system, security protection door test system includes main part, its characterized in that down: 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 component 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 inner wall of the upper side of the heat conduction chamber in a communicated manner;
A pressure swing chamber which is symmetrical with the heat conduction chamber and is communicated with the placing groove is arranged in the left side and the right side of the heat conduction chamber, a pressure component is arranged in the pressure swing chamber, the heating component is controlled by the pressure component, and a pressure metering component for controlling the pressure component to apply test pressure is arranged in the inner wall of the rear side of the pressure swing chamber;
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 empty cavity is arranged in the upper main body, a measuring assembly for testing the performance of the door plate after pressurization and smoke addition is arranged in the empty cavity, and the measuring assembly is controlled by the pressure assembly during testing;
Setting rated pressurization pressure to the pressure assembly through the pressure gauge assembly, so that the performance of the door panel is tested under the rated pressure under the heating of the heating assembly, and when the door panel is damaged, the pressure assembly controls the heating assembly to stop heating and stores the measuring assembly;
the pressure assembly comprises swing blocks which are arranged in the pressure swing chamber in a front-back symmetrical mode, a pressure test pushing block which can rotate in the pressure swing chamber is fixedly arranged between the swing blocks which are in the front-back symmetrical mode, and the pressure test pushing block is a quarter cylinder;
The pressure swing chamber is characterized in that lower transmission cavities are respectively arranged in the front side 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, driving gears are arranged between the lower gears which are symmetrical left and right on the front side and are in meshed connection with the lower gears on the left side, the driving gears are in meshed connection with the lower gears on the right side through transmission gears, and the driving gears are in power connection with pressure gauge assemblies arranged in the front side inner wall 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;
The pressure gauge assembly is arranged in a torsion cavity in the inner wall of the front side of the lower transmission cavity, a rotating block is rotatably arranged in the torsion cavity, a groove with a backward opening is arranged 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;
A knob with the front end extending out of the front end face of the lower main body is fixedly arranged on the front end face of the rotating block, a pointer is marked on the knob, a torsion scale corresponding to the pressure of the first torsion spring is marked on the front end face of the lower main body, a locking component capable of locking the knob is fixedly arranged on the front end face of the lower main body, and after the pressure of the first torsion spring is adjusted through the knob, the knob can be locked through the locking component;
The heating assembly comprises a furnace body rotatably arranged in the heating chamber, a furnace chamber with an upward opening is arranged in the furnace body, and heat and smoke dust can be generated by burning objects in the furnace chamber so as to meet the requirement of test and adjustment;
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 pushing block on the right side;
a return cavity is arranged 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;
The measuring assembly comprises an upper transmission cavity which is arranged on the front side and the rear side of the empty cavity in a front-back symmetrical mode, an upper gear which can be meshed with the lower gear is rotatably arranged in the upper transmission cavity, the upper gears on the front side and the rear side are connected through a rotating shaft, and the rotating shaft transversely penetrates through the empty cavity;
a reset component is arranged between the rotating shaft and the upper main body;
The rotary shaft is fixedly provided with a first swing rod capable of swinging in the empty cavity, the lower end of the first swing rod is rotatably connected with a second swing rod, one end, far away from the first swing rod, of the second swing rod is rotatably connected with a third swing rod, one end, far away from the second swing rod, of the third swing rod is rotatably connected with a fourth swing rod, the upper end of the fourth swing rod is rotatably connected to the inner wall of the upper side of the empty cavity, six-rod linkage is formed by the first swing rod, the second swing rod, the third swing rod and the fourth swing rod, and the lower ends of the first swing rod and the fourth swing rod are fixedly provided with a temperature tester;
The upper surfaces of the empty cavities on the left side and the right side are fixedly provided with smoke concentration testers, and the smoke concentration testers test smoke changes in a space formed by the upper surfaces of the door plates and the empty cavities.
2. The security door security and reliability test system of claim 1, wherein: temperature sensors are fixedly arranged on the left inner wall and the right inner wall of the heat conduction chamber, and the temperature sensors measure the temperature generated by the heating component;
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, and the data measured by the temperature sensor, the temperature tester and the smoke concentration tester respectively obtain curve change at the PC end.
3. The security door security and reliability test system of claim 1, wherein: in order to reduce the pollution of smoke dust to air generated during testing, vent holes are respectively arranged in the left inner wall and the right inner wall of the heating chamber, which are close to the inner wall of the lower side, a blower is fixedly arranged in the vent holes on the right side, and a smoke dust purifier is fixedly arranged at the left end opening part of the vent holes 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113281031A CN113281031A (en) | 2021-08-20 |
| CN113281031B true CN113281031B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110760345.7A Active CN113281031B (en) | 2021-07-06 | 2021-07-06 | Security door safety and reliability test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113281031B (en) |
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| CN211085804U (en) * | 2019-09-18 | 2020-07-24 | 陈迎辉 | Underground water sampling device |
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