CN115876944A - Flame-retardant performance measuring device for flame-retardant asphalt pavement of highway tunnel - Google Patents

Abstract

The invention belongs to the field of application equipment of highway tunnel asphalt performance detection technology, and particularly relates to a device for measuring the flame retardant performance of a highway tunnel flame retardant asphalt pavement, which comprises a measuring device body for detecting the flame retardant performance of an asphalt material, a control system and a gas transmission system, wherein the measuring device body comprises a measuring box body, an interlayer barrel with a protective gas guide function is arranged at the geometric center in the measuring box body, an igniter with rotating and lifting functions is arranged in the oblique front of the interlayer barrel, a lifting assembly is arranged on the inner side wall of the measuring box body behind the interlayer barrel, a mechanical arm with a clamping function is arranged at the front end of the lifting assembly, a rotary opening and closing door is arranged at one side of the measuring box body, and a controller for controlling the operation of the lifting assembly is arranged obliquely above one side of the opening and closing door. The invention effectively improves the automation degree of the measuring equipment, promotes the working process, realizes the stability, convenience and accuracy of the placement of the test strip to be measured, reduces the loss, saves the cost and meets the use requirement.

Description

Flame-retardant performance measuring device for flame-retardant asphalt pavement of highway tunnel

Technical Field

The invention belongs to the field of application equipment of a highway tunnel asphalt performance detection technology, and particularly relates to a device for measuring the flame retardant performance of a highway tunnel flame retardant asphalt pavement.

Background

With the development of highways in China, the number of the highway tunnels is continuously increased, and the flame retardant property of the existing cement concrete is better, so that cement pavements are still mainly adopted for the pavements of most highway tunnels. However, with the improvement of the requirement for the road surface running quality, the flat, wear-resistant and low-noise asphalt road surface gradually replaces the cement concrete road surface and becomes the main development flow of the tunnel road surface.

At present, the road tunnel pavement of a highway not only requires that an asphalt material has good pavement performance, but also requires that the asphalt material has good flame retardant property, and simultaneously, along with the rapid development of national economy, the flame retardant property requirement of people on the asphalt pavement is more and more strict.

At the present stage, for the flame retardant property test carried out on asphalt, the conventional technical means such as a limited oxygen index test and a horizontal and vertical combustion test are usually carried out indoors in the latter test process, and because some harmful substances are inevitably generated in the asphalt combustion process, but the existing equipment applied in the flame retardant property test process cannot well meet the use requirement, and the generated smoke gas not only pollutes the environment, but also brings harm to people, so the equipment is not suitable for the flame retardant property test of asphalt materials; along with the more and more perfect standards and regulations of the existing flame-retardant asphalt, a plurality of domestic experts research relevant influence factors of asphalt oxygen index tests, and analyze and test sample temperature, sample amount, total gas flow during combustion and the like, so that people also provide a measuring device capable of aiming at the influence of air concentration change on the flame-retardant property of an asphalt material so as to be applied to the aspect of measuring the flame-retardant property of asphalt and an asphalt mixture; however, the existing asphalt flame retardant property measuring equipment has low automation degree, consumes time and labor to a certain extent, and particularly for clamping an asphalt test strip to be measured, the asphalt test strip to be measured is usually clamped by a clamp manually and then placed at a specific position, so that in the process, on one hand, the labor intensity of people is increased, the working process is limited, on the other hand, the requirement on the placement position of the asphalt test strip to be measured is high, people are required to continuously adjust the asphalt test strip to be measured, a large amount of time is consumed, and the practicability is poor; in addition, when different air concentration changes (or oxygen concentration changes) are measured in the existing test equipment, the consumption cost is overlarge, the expenditure in the test process is undoubtedly increased, the concentration change time is overlong, the measurement on the flame retardant property of the asphalt material is influenced to a certain extent, and the use requirement cannot be met.

Disclosure of Invention

Aiming at the technical problems that the automation degree of the asphalt flame retardant property measuring equipment is low, the adjusting process of the placement position of the test strip to be measured is inconvenient, a large amount of time is consumed, and the test process for adjusting different measuring conditions is limited, the invention provides the device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel, which has the advantages of reasonable design, simple structure, convenient processing, capability of effectively improving the automation degree of the measuring equipment, increasing the practicability, improving the working process, realizing the placement stability, convenience and accuracy of the fixed test strip to be measured, reducing the labor intensity and saving the time cost, saving the loss of the measuring equipment when different air concentration change tests are carried out, relatively reducing the waiting time for test development, ensuring the effective process of test measurement and meeting the use requirements.

In order to achieve the purpose, the technical scheme adopted by the invention is that the device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel comprises a measuring device body, a control system and a gas transmission system, wherein the measuring device body is used for detecting the flame retardant property of an asphalt material, the measuring device body comprises a measuring box body, an interlayer barrel with a protective gas guide function is arranged at the geometric center in the measuring box body, a plurality of gas outlet holes are uniformly formed in the inner side wall of the interlayer barrel, a containing disc is arranged below the interlayer barrel, an igniter with rotating and lifting functions is arranged in the oblique front of the interlayer barrel, a lifting assembly is arranged on the inner side wall of the measuring box body behind the interlayer barrel, a manipulator with a clamping effect is arranged at the front end of the lifting assembly, a rotary opening and closing door is arranged on one side of the measuring box body, a controller used for controlling the operation of the lifting assembly is arranged obliquely above one side of the opening and closing door, the control system comprises a support frame arranged on one side of the measuring box body, a control panel is arranged at the upper end of the support frame, the gas transmission system comprises a gas storage tank, a nitrogen gas source and an oxygen source which are connected with a gas mixer, and the output end of the gas mixer.

Preferably, the door that opens and shuts includes that the transversal settling disk who personally submits the design of T shape, settling disk periphery cover is equipped with the rolling disc, the rolling disc front end is provided with changes the handle, the inboard slope of rolling disc is provided with spacing, set up the through-hole in the settling disc, six spouts that are the key shape design are seted up evenly to the through-hole periphery, be provided with the closing plate between spacing and the settling disc, be provided with the slide bar in the closing plate, and with spout looks adaptation, set up the key shape groove with slide bar looks adaptation in the spacing, with the rolling disc periphery relative with change still is provided with the arc rack.

As preferred, the controller includes the pivot, the pivot periphery is provided with the first gear with arc rack engaged with, the pivot front end is provided with can be along with the pivot pivoted and have magnetic field intensity's electromagnetic disc, electromagnetic disc is including the insulating disc that produces magnetic field, insulating disc edge department is provided with a plurality of iron posts after magnetizing, the controller is still including the carrier that is the spill design, the carrier front end is provided with the electromagnetic induction switch, and is located one side of electromagnetic disc.

Preferably, the lifting component comprises a lifting plate designed in a T shape, two sliding blocks are symmetrically arranged at the edge of one side end face of the lifting plate, a first rack is arranged between the sliding blocks, an extension plate is arranged at the front end of the other side of the lifting plate, the manipulator comprises a first air cylinder arranged at the upper end of the short edge of the lifting plate, a limiting block is arranged at the upper end of the extension plate, a moving rod is arranged in the limiting block, one end of the moving rod is connected with the first air cylinder, a lifting plate designed in a triangular shape is arranged at the other end of the moving rod, a positioning rotating rod is arranged at the edge of the front end above the extension plate, a clamping jaw designed in an obtuse angle shape and capable of rotating is arranged in the positioning rotating rod, a roller wheel is arranged inside one side of the clamping jaw of the lifting plate, and the roller wheel abuts against the lifting plate and is in contact with the lifting plate.

Preferably, the lifting assembly further comprises two sliding strips which are symmetrically arranged, the sliding strips are matched with the sliding blocks, a second rack is arranged between the sliding strips, the lifting assembly further comprises a second air cylinder, a connecting seat which is designed in a concave shape is arranged at the upper end of the second air cylinder, a second gear is arranged in the connecting seat and is meshed with the first rack and the second rack respectively, two protection plates which are designed in an L shape are symmetrically arranged on the outer side of the lifting assembly, the two protection plates form a protection area which plays a protection role in the lifting assembly, and a foldable telescopic protection cover is further arranged between the protection plates on the upper side and the lower side of the lifting plate.

Preferably, the igniter comprises a rotating disc arranged at the lower end of the inner side of the measuring box body, a telescopic rod is arranged at the upper end of the rotating disc, a gas conveying pipe is arranged at the upper end of the telescopic rod, a fire hole is formed in the end part of the gas conveying pipe, and a lighting device is arranged on the periphery of the gas conveying pipe close to the fire hole.

Preferably, survey box upper end is provided with the subassembly of breathing in, the subassembly of breathing in is including the flue gas output tube that runs through the survey box setting, the lower extreme of flue gas output tube is provided with and receives the cover, the periphery of flue gas output tube upper end is provided with flue gas concentration sensor, the place ahead of subassembly of breathing in is provided with infrared formula temperature sensor, one side of subassembly of breathing in is provided with the smoke detector alarm.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel, the automation degree of the device for measuring the flame retardant property of the asphalt pavement is improved to a certain extent by the arranged components such as the lifting assembly, the mechanical arm, the igniter and the control panel, and the device is different from a mode of working by manpower in the prior art, so that the labor intensity of people is greatly reduced, the working process is improved, and the time cost is saved;

2. furthermore, through the arranged opening and closing door and the controller, the door opening and closing actions of people on the box body are utilized, and the electromagnetic disc and the electromagnetic induction switch are combined to be set up, so that the discharging action is completed, the free opening and closing of the operation of the lifting assembly are simply and conveniently realized, the convenient clamping of the mechanical arm on the test strip to be measured is further ensured, meanwhile, the accuracy of the placement of the test strip to be measured is realized to one degree by the action effect of the controller, the operation stability effect of the equipment is good, and the practicability is strong;

3. furthermore, through the arranged interlayer barrel and the gas transmission system, the gas transmission system can simulate different air concentrations and is used for measuring the combustion effect of the asphalt test strip to be measured, the diversification of detection test data is ensured, the study is provided for people, the product forming quality is ensured, the interlayer barrel further limits the change range of different air concentrations, compared with the prior art, the air concentration change is more obvious, the loss of air source derivation is reduced, the waiting time under the change of the vacancy concentration is relatively reduced, and the working process is promoted;

4. this device reasonable in design, simple structure, processing convenience just can effectively improve the degree of automation of survey equipment to increase its practicality, promote the work process, simultaneously, realize stability, convenience and the accuracy of placing to the determinand examination strip that awaits measuring, reduce intensity of labour, the save time cost, in addition, save the loss of survey equipment when developing different air concentration change tests, reduce the latency of experimental development relatively, ensure the effective process of experimental survey, satisfy the user demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a schematic structural view of a device for measuring the flame retardant property of a flame-retardant asphalt pavement of a highway tunnel;

FIG. 2 is a front view of the internal structure of the flame retardant property measuring device for the flame retardant asphalt pavement of the highway tunnel;

FIG. 3 is a structural side view of a flame retardant property measuring device for a flame retardant asphalt pavement of a road tunnel;

FIG. 4 is a side view of the internal structure of the flame retardant property measuring apparatus for a flame retardant asphalt pavement of a highway tunnel;

FIG. 5 is a schematic view of the structure of the opening/closing door;

FIG. 6 is a schematic diagram of a portion of the controller;

FIG. 7 is a schematic view of the robot;

FIG. 8 is a schematic view of another view of the robot;

FIG. 9 is a sectional view of a part of the structure of the sandwich barrel;

FIG. 10 is a side view of the inner structure of the sandwich bucket;

in the above figures, 1, a measurement case; 2. a sandwich barrel; 21. an air outlet; 3. a storage tray; 4. an igniter; 41. rotating the disc; 42. a telescopic rod; 43. a gas delivery pipe; 431. a flame port; 44. a lighting device; 5. a lifting assembly; 51. a lifting plate; 52. a slider; 53. a first rack; 54. an extension plate; 55. a slide bar; 56. a second rack; 57. a second cylinder; 571. a connecting seat; 58. a second gear; 6. a manipulator; 61. a first cylinder; 62. a limiting block; 63. a travel bar; 64. a jacking plate; 65. positioning the rotating rod; 66. a clamping jaw; 67. a roller; 7. opening and closing the door; 71. a setting tray; 711. a through hole; 712. a chute; 72. rotating the disc; 73. turning a handle; 74. a limiting strip; 741. a key-shaped groove; 75. a sealing plate; 76. a slide bar; 77. an arc-shaped rack; 8. a controller; 81. a rotating shaft; 82. a first gear; 83. an electromagnetic disk; 831. an insulating disk; 832. an iron column; 84. a carrier; 85. an electromagnetic induction switch; 9. a support frame; 91. a control panel; 10. a gas storage tank; 11. a nitrogen source; 12. a source of oxygen; 13. a gas mixer; 14. a protection plate; 15. a protective cover; 16. a getter assembly; 161. a flue gas output pipe; 162. a suction hood; 163. a flue gas concentration sensor; 17. an infrared type temperature sensor; 18. a smoke alarm.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, a device for measuring flame retardant property of a flame retardant asphalt pavement of a road tunnel includes a measuring device body for detecting flame retardant property of an asphalt material, a control system, and a gas transmission system, wherein each device component for detecting flame retardant property of the asphalt material is carried in the measuring device body, so as to ensure effective development of the measuring work, the control system is used for completing convenient operation in the development process of the measuring work, so that each device component can be freely controlled to operate, and improve the degree of automation, and the gas transmission system provides a prerequisite for smooth development of air concentration condition changes in the measuring test, and improves the practicability of the device; further, survey the device body including survey box 1, wherein, the front end and the side of survey box 1 are all sealed to be provided with the observation window, provide convenience for people real-time observation waits to survey the combustion process of pitch examination strip, in addition, people can also be provided with infrared thermal imager in the observation window the place ahead of survey box 1 front end, can be used for replacing the manual work to carry out the combustion process of observing the pitch material under different stages at any time on the one hand, on the other hand also can gather the temperature when burning, promote detection accuracy; furthermore, in order to conveniently create measuring environments and atmospheres under different air concentration change conditions, an interlayer barrel 2 with a protection and air guiding function is arranged at the geometric center in the measuring box body 1, wherein a plurality of air outlet holes 21 are uniformly formed in the inner side wall of the interlayer barrel 2, so that the interlayer barrel 2 is in a cavity design and is communicated with the air outlet holes 21, and the other end of the interlayer barrel is connected with an air transmission system; in order to facilitate ignition action of people and reduce danger to a certain extent, an igniter 4 with rotating and lifting functions is arranged in the oblique front of the interlayer barrel 2, the igniter 4 can freely adjust the orientation position of the end part according to the proceeding and stopping of the determination work, the igniter 4 can conveniently ignite the asphalt test strip, and the determination work process is guaranteed; furthermore, a lifting component 5 is arranged on the inner side wall of the measuring box body 1 behind the interlayer barrel 2, the position of the manipulator 6 is controlled, a good test environment is provided for the asphalt test strip to be measured clamped by the manipulator, the use performance is improved, the manipulator 6 with a clamping effect is arranged at the front end of the lifting component 5, and the manipulator mainly clamps the asphalt test strip to be measured, so that the placing position of the manipulator is accurate enough to meet the standard of a measuring work flow; in order to facilitate people to freely place asphalt test strips or take out the containing disc 3 for centralized treatment, one side of the measuring box body 1 is provided with a rotary opening and closing door 7, the operation is simple and convenient, the sealing effect is good, a controller 8 for controlling the operation of the lifting assembly 5 is arranged obliquely above one side of the opening and closing door 7, the controller 8 is opened and closed by the opening and closing door 7, the free control of the lifting assembly 5 is further realized, and the relative consistency of the placing positions of the test strips to be tested is fully ensured; furthermore, in order to facilitate the realization of the control action of people, the control system comprises a support frame 9 arranged on one side of the measuring box body 1, the placing stability of the device equipment is improved, a control panel 91 is arranged at the upper end of the support frame 9, the control panel 91 can provide convenience for people to control the opening and closing of the manipulator 6, the adjustment and the opening and closing of the position of the igniter 4, the on-off of the gas transmission system and the change of the air concentration, and the opening and closing of the gas suction component 16, and the control system is integrated with a circuit system of the above components and is used by people; further, the gas transmission system comprises a gas storage tank 10, a nitrogen source 11 and an oxygen source 12 which are supplied for the igniter 4, of course, on-off valves are arranged on the gas storage tank 10, the nitrogen source 11 and the oxygen source 12 to ensure safety, further, the gas outlet ends of the nitrogen source 11 and the oxygen source 12 are connected with a gas mixer 13, and the output end of the gas mixer 13 is connected with the interlayer barrel 2, wherein the gas mixer 13 can realize the adjustment of the proportion between the nitrogen to be input and the oxygen to provide different air concentrations, and then a pipeline is used for introducing the mixed gas into the interlayer barrel 2 to provide a prerequisite condition for determining the change of the air concentration in the test;

in the process: the automation degree of the measuring device is improved to a certain extent by the arranged lifting assembly 5, the mechanical arm 6, the igniter 4, the control panel 91 and other parts, and the automatic measuring device is different from a mode of working by manpower in the prior art, so that the labor intensity of people is greatly reduced, the working process is improved, and the time cost is saved; through the arranged opening and closing door 7 and the controller 8, the unnecessary opening and closing door actions of people on the box body are utilized, and the electromagnetic disc 83 and the electromagnetic induction switch 85 are arranged, so that the discharging action is completed, the free opening and closing of the operation of the lifting component 5 are simply and conveniently realized, the convenient clamping of the manipulator 6 on the test strip to be measured is further ensured, meanwhile, the accuracy of the positioning and the placement of the test strip to be measured is realized to one degree due to the action effect of the controller 8, the operation stability effect of the equipment is good, and the practicability is strong; through the arranged interlayer barrel 2 and the gas transmission system, the gas transmission system can simulate different air concentrations and is used for measuring the combustion effect of the asphalt test strip to be measured, the diversification of detection test data is ensured, the research is provided for people, the product forming quality is ensured, the interlayer barrel 2 further limits the variation range of different air concentrations, compared with the prior art, the air concentration variation is more obvious, the loss of air source derivation is reduced, the waiting time under the change of the void concentration is relatively reduced, and the working process is promoted; this device reasonable in design, simple structure, processing convenience just can effectively improve the degree of automation of survey equipment to increase its practicality, promote the work process, simultaneously, realize stability, convenience and the accuracy of placing to the determinand examination strip that awaits measuring, reduce intensity of labour, the save time cost, in addition, save the loss of survey equipment when developing different air concentration change tests, reduce the latency of experimental development relatively, ensure the effective process of experimental survey, satisfy the user demand.

In order to improve the use performance of the opening and closing door 7 and increase the use fluency, specifically, the opening and closing door 7 comprises a mounting disc 71 with a cross section in a T-shaped design, and is used for being mounted and connected with the measuring box 1, a rotating disc 72 is sleeved on the periphery of the mounting disc 71 and can freely rotate relative to the mounting disc 71, so as to ensure the effective implementation of the opening and closing work, a rotating handle 73 is arranged at the front end of the rotating disc 72, so as to facilitate the force application of people and improve the operation convenience, a limiting strip 74 is obliquely arranged on the inner side of the rotating disc 72, a through hole 711 is formed in the mounting disc 71, six sliding grooves 712 in a key-shaped design are uniformly formed in the periphery of the through hole 711, a sealing plate 75 is arranged between the limiting strip 74 and the mounting disc 71, a sliding rod 76 is arranged in the sealing plate 75 and is adapted to the sliding groove 712, and a key-shaped groove 741 adapted to the sliding rod 76 is formed in the limiting strip 74, which the specific description is as follows: when the opening and closing door 7 is in a closed state, the six sealing plates 75 are mutually abutted and tightly attached, when the opening and closing door is used, people rotate the rotating handle 73 to drive the limiting strips 74 to synchronously rotate, at the moment, the sliding rod 76 translates relative to the sliding groove 712 on one hand, and moves relative to the limiting strips 74 under the action of the key-shaped groove 741 on the other hand, so that the sealing plates 75 can be driven to have a tendency of obliquely moving to the outside, the six sealing plates 75 synchronously move to expose the through holes 711 formed in the mounting plate 71, the device and equipment components in the measuring box body 1 can be conveniently and freely taken and placed by people, and the practicability is good; further, the periphery of the rotating disc 72 opposite to the rotating handle 73 is also provided with an arc-shaped rack 77, the arc-shaped rack 77 is in a minor arc shape design, and rotates along with the rotating disc 72, and acts the rotating power on the first gear 82, so as to ensure that the controller 8 can realize the discharging action, complete the free control of the opening and closing of the lifting component 5, and the effect brought is as follows: the consistency of the lifting distance of the lifting component 5 can be ensured, good matching use performance between the equipment parts of each device is ensured, the accuracy of the placement position is ensured, and the use requirement is met.

In order to ensure that the controller 8 can realize the free control of the opening and closing of the lifting component 5 under the action of the opening and closing door 7, specifically: controller 8 includes pivot 81, pivot 81 periphery is provided with the first gear 82 with arc rack 77 engaged with, it can with open and shut arc rack 77 meshing on the door 7, and then make the rotation of opening and shutting door 7 can drive electromagnetic disc 83 and rotate, thereby convenient realization action of discharging, the pivot 81 front end is provided with can be along with pivot 81 pivoted and have magnetic field intensity's electromagnetic disc 83, electromagnetic disc 83 is including the insulating disc 831 that produces magnetic field, insulating disc 831 edge is provided with a plurality of iron prop 832 after magnetizing, the concrete description is: a round hole has been seted up at the periphery edge in the insulating dish 831, and iron prop 832 is then the same through a plurality of diameters of cutting, the same part of length to in riveting insulating dish 831's round hole, realizing interference fit, use the magnetizer to iron prop 832 according to magnetizing direct current by not having to, magnetize a plurality of iron props 832 in proper order, and use the magnetic field detector to test magnetic field intensity: the magnetic field intensity is uniformly distributed, when people rotate the opening and closing door 7 to open, the rotating power acts on the arc-shaped rack 77 and drives the first gear 82 to rotate, and further drives the electromagnetic disc 83 to rotate, so that convenience is provided for subsequent discharging; the controller 8 further comprises a carrier 84 in a concave design, the front end of the carrier 84 is provided with an electromagnetic induction switch 85 and is located on one side of the electromagnetic disc 83, wherein a coil (not shown in the figure) with a smaller resistance is further arranged on the electromagnetic induction switch 85, and is placed in a static state relative to the electromagnetic disc 83, specifically, according to the principle of magnetic fields related to physics, when the electromagnetic disc 83 rotates, the magnetic field on the iron column 832 rotates relative to the coil, and correspondingly generates an action of cutting the magnetic induction line, so as to discharge, meanwhile, the electromagnetic induction switch 85 is electrically connected with the second cylinder 57, when the electromagnetic disc 83 rotates, the second cylinder 57 is ensured to be in a working state, so that the lifting assembly 5 is ensured to act, so as to bring convenience for the manipulator 6 to be lifted out of the interlayer barrel 2, the design is reasonable, the operation is simple, the practicability is good, the electromagnetic disc 83 also rotates in a reverse direction when people close the opening and closing door 7, namely, the reverse rotation is performed, and the electromagnetic disc 83 acts on the electromagnetic induction switch 85, so as to control the second cylinder 57 to operate in a direction, correspondingly, so as to realize the parts of the manipulator 6, and the relative positioning stability is better, and the effective measurement is ensured, and the relative positioning stability is better.

In order to improve the reasonableness of the design of the device, the lifting assembly 5 comprises a lifting plate 51 designed in a T shape, on one hand, the bearing effect of the lifting plate is achieved, the stability of the installation of each device part is guaranteed, on the other hand, the effective operation of the lifting action can be guaranteed, furthermore, two sliding blocks 52 are symmetrically arranged at the corner of one side end face of the lifting plate 51, a first rack 53 is arranged between the two sliding blocks 52, a prerequisite condition is provided for the subsequent free lifting, and the sliding blocks 52 are matched with a sliding strip 55, so that the moving direction and the moving range of the sliding blocks are limited, the shifting of the sliding blocks is prevented, and the fluency is improved; further, in order to realize effective clamping of the asphalt test strip to be tested, specifically, extension plate 54 is arranged at the front end of the other side of lifting plate 51, manipulator 6 includes a first cylinder 61 arranged at the upper end of the short side of lifting plate 51, a limiting block 62 is arranged at the upper end of extension plate 54, a moving rod 63 is arranged in limiting block 62, one end of moving rod 63 is connected with first cylinder 61, lifting plate 64 in a triangular design is arranged at the other end of moving rod 63, a positioning rotating rod 65 is arranged at the corner of the front end above extension plate 54, a clamping jaw 66 which can rotate and is in an obtuse-angle design is arranged in positioning rotating rod 65, a roller 67 is arranged inside one side of clamping jaw 66 close to lifting plate 64, roller 67 abuts against and contacts lifting plate 64, and the specific description is that: standby manipulator 6 is under lifting unit 5's drive, behind the suitable position, people place the pitch examination strip of waiting to survey in survey box 1 from opening and shutting 7 departments, especially, be close to the position of clamping jaw 66, control second cylinder 57 operation, and to the connecting rod, and then drive jacking board 64 to the removal of edge department one side that is close to extension board 54, the both sides limit that utilizes jacking board 64 supports with the contact between gyro wheel 67 and leans on, it rotates to drive clamping jaw 66 to take place under the effect of location bull stick 65, and thus, two clamping jaws 66 rotate in opposite directions, in order to accomplish the clamp of waiting to survey the examination strip and get, and easy operation is convenient, therefore, the clothes hanger is strong in practicability, and the work progress is effectively improved.

In order to further improve the practicability of the lifting assembly 5, the lifting assembly 5 further includes two symmetrically disposed sliding bars 55, and are adapted to the sliding block 52, a second rack 56 is disposed between the two sliding bars 55, the lifting assembly 5 further includes a second cylinder 57, a connecting seat 571 in a concave design is disposed at the upper end of the second cylinder 57, a second gear 58 is disposed in the connecting seat 571, and the second gear 58 is respectively engaged with the first rack 53 and the second rack 56, which are specifically described as follows: when the controller 8 operates to control the electromagnetic induction switch 85 to be turned on, at this time, the second air cylinder 57 operates and is in an extended state, and further lifts up the connecting seat 571, the second gear 58 rotates under the action of the second air cylinder 57, and by utilizing the engagement between the second gear 58 and the first rack 53 and the second rack 56, the second gear 58 moves upward and rotates to drive the first rack 53 to move upward, and further, the manipulator 6 component can be driven to ascend, considering that the operation time of the controller 8 is related to the rotation of the opening and closing door 7, that is, the engagement between the arc-shaped rack 77 and the first gear 82 drives the electromagnetic disc 83 to rotate and realize discharging, so as to act on the electromagnetic induction switch 85, it needs to be further explained that: the duration time of the discharging process is related to the rotation of the opening and closing door 7, particularly the minor arc length of the arc-shaped rack 77, certainly, the minor arc length of the arc-shaped rack 77 is related to the rotation range of the opening and closing door 7 under the maximum opening and closing degree, so that people can install each device according to the maximum lifting distance of the manipulator 6, avoid the phenomenon of top impact, improve the use functionality of the device, certainly, when people close the opening and closing door 7, the electromagnetic disk 83 is driven to rotate reversely, and reverse discharging is realized, and at the moment, the electromagnetic induction switch 85 is acted, so that the second cylinder 57 is controlled to operate, a contraction state is presented, the second gear 58 is driven to operate reversely, the manipulator 6 is driven to descend under the meshing action among the components, the lifting distance is determined, so that the falling distance is also certain, the placing consistency, the stability and the safety of the manipulator 6 are guaranteed, the ignition action is more convenient, the practicability is good, and the use requirements are met; in order to reduce the possibility that damage occurs to the device equipment, prolong its life relatively, specifically speaking, lifting unit 5 outside symmetry is provided with two guard plates 14 that are L shape design, two guard plates 14 constitute the guard area that plays the guard action to lifting unit 5, of course, there is the space between two guard plate 14 minor faces department, lifter plate 51 of being convenient for goes up and down freely, and simultaneously, in order to further realize the protection to lifting unit 5 inner assembly, still be provided with folding telescopic protection casing 15 between the guard plate 14 of lifter plate 51 upper and lower both sides, this protection casing 15 has good flexible folding performance, it can contract or unfold according to lifter plate 51's lift, realize the protection to lifting unit 5 omnidirectional, avoid suffering infection, increase of service life, and the production cost is saved.

In order to increase the convenience of the igniter 4 and improve the working process, specifically, the igniter 4 comprises a rotating disc 41 arranged at the lower end of the inner side of the measuring box 1, the rotating disc 41 is preferably electrically driven to rotate, which can facilitate people to adjust the position of the igniter 4, an expansion link 42 is arranged at the upper end of the rotating disc 41 and is used for freely adjusting the height of the igniter 4 in the vertical direction, and a gas conveying pipe 43 is arranged at the upper end of the expansion link 42, which is specifically described as follows: the inside of the gas delivery pipe 43 is designed to be infinity, one side of the inside of the gas delivery pipe is used for delivering gas, the other side of the inside of the gas delivery pipe provides convenience for installing a circuit of the ignition device 44, further, the periphery of one side of the gas delivery pipe 43 close to the telescopic rod 42 is respectively provided with a gas connecting pipe and a cable, the gas connecting pipe is connected with the gas storage tank 10 to ensure the delivery of fuel, the cable is connected with the control panel 91 to realize the control of ignition action, further, the end part of the gas delivery pipe 43 is provided with the fire hole 431, the periphery of the gas delivery pipe 43 close to the fire hole 431 is provided with the ignition device 44, the ignition device 44 is a main component of the igniter 4 and can ignite the delivered gas fuel, thus, after the fire hole 431 generates flame, people can freely adjust the height and the rotation angle of the fire hole 431, so that the fire hole 431 can directly ignite the upper end of the asphalt material to be determined, and the effective determination test can be ensured, of course, the flame size of the fire hole 431 can be adjusted by people through the control panel 91, and further explained is that: the above-mentioned ignition device 44 and the specific ignition control method are similar to the technical means of the existing gas stove (gas stove), and the specific working principle and working method thereof are not described herein again, and it is obvious to those skilled in the art that the technical means can be effectively known and applied.

In order to realize effective absorption of the smoke generated in the measurement test process, the upper end of the measurement box body 1 is provided with the air suction assembly 16, further, in order to ensure that the air suction assembly 16 has good use performance, the air suction assembly 16 comprises a smoke output pipe 161 which penetrates through the measurement box body 1 and plays a role of mainly conveying the smoke, the lower end of the smoke output pipe 161 is provided with an absorption cover 162, of course, the absorption cover 162 is also provided with a filter screen (not shown in the figure) which can filter the smoke generated by combustion of the asphalt material, the periphery of the upper end of the smoke output pipe 161 is provided with a smoke concentration sensor 163 which can obtain the concentration of each component in the smoke generated in the combustion process, especially harmful gas, so that people can better research the combustion process of the flame-retardant asphalt and analyze the flame-retardant mechanism of the flame-retardant asphalt to further judge the smoke suppression performance of the asphalt material and meet the measurement requirement; further, in order to realize real-time detection of the temperature in the measuring box 1, an infrared temperature sensor 17 is arranged in front of the air suction component 16, wherein the measuring position of the infrared temperature sensor 17 is over against the burning part of the asphalt material test strip, so as to reduce the measuring error, and meanwhile, in consideration of the safety in the measuring test process, a smoke-sensitive alarm 18 is arranged on one side of the air suction component 16, so that the smoke-sensitive alarm can give an alarm aiming at the phenomenon that the burning process of the individual asphalt to be measured generates stronger test strip smoke, so that sufficient processing and reaction time is provided for people, the situation is prevented from further expanding, the damage degree of the device is reduced, and the safety is ensured.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (7)

1. The utility model provides a fire-retardant bituminous paving flame retardant properties survey device in highway tunnel, is including survey device body, control system and the gas transmission system that is used for bituminous material flame retardant properties to detect, a serial communication port, survey device body is including the survey box, the geometric center department in the survey box is provided with the intermediate layer bucket that has protection air guide function, a plurality of ventholes have evenly been seted up on the intermediate layer bucket inside wall, intermediate layer bucket below is provided with the storage disc, the oblique place ahead of intermediate layer bucket is provided with the some firearm that has rotation and raising and lowering functions, be provided with lifting unit on the survey box inside wall at intermediate layer bucket rear, the lifting unit front end is provided with the manipulator that has the clamping action, survey box one side is provided with the opening and shutting door of rotation type, the oblique top in one side of opening and shutting door is provided with the controller that is used for controlling lifting unit operation, control system is including setting up the support frame in survey box one side, the support frame upper end is provided with control panel, the gas transmission system is including gas storage jar, nitrogen gas source and oxygen source that supply with some firearm used, and the end of giving vent to anger of nitrogen source is connected with the gas mixer, the output is connected with the intermediate layer bucket.

2. The device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel according to claim 1, wherein the opening and closing door comprises a placement disc with a T-shaped cross section, a rotating disc is sleeved on the periphery of the placement disc, a rotating handle is arranged at the front end of the rotating disc, a limiting strip is obliquely arranged on the inner side of the rotating disc, a through hole is formed in the placement disc, six sliding grooves with key-shaped designs are uniformly formed in the periphery of the through hole, a sealing plate is arranged between the limiting strip and the placement disc, a sliding rod is arranged in the sealing plate and matched with the sliding grooves, a key-shaped groove matched with the sliding rod is formed in the limiting strip, and an arc-shaped rack is further arranged on the periphery of the rotating disc opposite to the rotating handle.

3. The device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel according to claim 2, wherein the controller comprises a rotating shaft, a first gear meshed with the arc-shaped rack is arranged on the periphery of the rotating shaft, an electromagnetic disc which can rotate along with the rotating shaft and has the magnetic field intensity is arranged at the front end of the rotating shaft, the electromagnetic disc comprises an insulating disc generating the magnetic field, a plurality of iron columns which are magnetized are arranged at the edge of the insulating disc, the controller further comprises a carrier which is designed in a concave shape, and an electromagnetic induction switch is arranged at the front end of the carrier and is positioned on one side of the electromagnetic disc.

4. The device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel according to claim 3, wherein the lifting assembly comprises a lifting plate designed in a T shape, two sliders are symmetrically arranged at the edge of one side end surface of the lifting plate, a first rack is arranged between the two sliders, an extension plate is arranged at the front end of the other side of the lifting plate, the manipulator comprises a first cylinder arranged at the upper end of the short side of the lifting plate, a limit block is arranged at the upper end of the extension plate, a moving rod is arranged in the limit block, one end of the moving rod is connected with the first cylinder, a lifting plate designed in a triangular shape is arranged at the other end of the moving rod, a positioning rotating rod is arranged at the edge of the front end above the extension plate, a clamping jaw designed in an obtuse angle in a rotatable manner is arranged in the positioning rotating rod, a roller wheel is arranged inside the side of the clamping jaw close to the lifting plate, and the roller wheel abuts against and contacts with the lifting plate.

5. The device for measuring the flame retardant property of the flame-retardant asphalt pavement of the highway tunnel according to claim 4, wherein the lifting assembly further comprises two symmetrically arranged slide bars which are matched with the slide blocks, a second rack is arranged between the two slide bars, the lifting assembly further comprises a second air cylinder, a connecting seat in a concave design is arranged at the upper end of the second air cylinder, a second gear is arranged in the connecting seat and is respectively meshed with the first rack and the second rack, two protection plates in an L-shaped design are symmetrically arranged on the outer side of the lifting assembly, the two protection plates form a protection area for protecting the lifting assembly, and a foldable and telescopic protection cover is further arranged between the protection plates on the upper side and the lower side of the lifting plate.

6. The device for measuring the flame retardant property of the flame-retardant asphalt pavement of the road tunnel according to claim 5, wherein the igniter comprises a rotating disk arranged at the lower end of the inner side of the measuring box body, a telescopic rod is arranged at the upper end of the rotating disk, a gas conveying pipe is arranged at the upper end of the telescopic rod, a fire nozzle is arranged at the end part of the gas conveying pipe, and a striking device is arranged at the periphery of the gas conveying pipe close to the fire nozzle.

7. The device for measuring the flame retardant property of the flame retardant asphalt pavement of the highway tunnel according to claim 6, wherein the upper end of the measuring box body is provided with a gas suction assembly, the gas suction assembly comprises a flue gas output pipe penetrating through the measuring box body, the lower end of the flue gas output pipe is provided with a suction cover, the periphery of the upper end of the flue gas output pipe is provided with a flue gas concentration sensor, an infrared temperature sensor is arranged in front of the gas suction assembly, and one side of the gas suction assembly is provided with a smoke alarm.

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