CN102817308B

CN102817308B - Assembled infrared heater for heating bituminous pavement with inspection well

Info

Publication number: CN102817308B
Application number: CN201210280337.3A
Authority: CN
Inventors: 戴建斌; 戴丽娟; 戴叙生
Original assignee: CHANGSHU GAOSIDA INSTRUMENT EQUIPMENT Co Ltd
Current assignee: CHANGSHU GAOSIDA INSTRUMENT EQUIPMENT Co Ltd
Priority date: 2012-08-08
Filing date: 2012-08-08
Publication date: 2014-10-01
Anticipated expiration: 2032-08-08
Also published as: CN102817308A

Abstract

The invention discloses an assembled infrared heater for heating a bituminous pavement with an inspection well and belongs to the field of municipal maintenance facilities. The assembled infrared heater comprises a pair of frames. Frame shields are respectively fixed on the pair of frames. Liquid gas storage tank bases and electrical control tanks are arranged on the frame shields. A group of infrared radiation heating mechanisms are fixed to a frame side facing down. A frame side in a frame length direction is fixed with a gas pipe. A middle part of the gas pipe is provided with a gas inlet joint. A group of gas outlet joints are arranged in a gas pipe length direction. The gas outlet joints are connected to mixed gas eduction mechanisms. The assembled infrared heater is characterized in that the pair of the frames are provided with reignition mechanisms; the reignition mechanisms are controllably connected to the electrical control tanks; and middles of opposite sides of the pair of the frames respectively form inspection well opening semicircular accommodation cavities. The assembled infrared heater for heating a bituminous pavement with an inspection well has the advantages that safety is guaranteed; bitumen on a pavement is heated simultaneously without heating of an inspection well cover region; energy is saved; and damage on an inspection well cover is avoided.

Description

The pin-connected panel infrared element of inspection shaft flexible pavement heating use

Technical field

the invention belongs to municipal maintenance construction facility technology field, be specifically related to a kind of pin-connected panel infrared element of inspection shaft flexible pavement heating use.

Background technology

in order to meet the plumbing requirement of town road, conventionally the supporting water supply and sewerage pipeline that is laid with below road, and the rational distance of being often separated by is provided with the inspection shaft that top and pavement-height reach unanimity, on inspection shaft, be mounted with inspection well cover, play the effect of protecting of covering to inspection shaft by inspection well cover, ensure on the one hand the safety of pedestrian and vehicle etc., on the other hand for for example dredging sewer of maintenance of water-feeding & drainaging pipeline provides access.

as the industry's knowledge of the reason, due to binding site remarkable fragility for other position of road of inspection shaft and asphalt roads, therefore come into operation after a period of time at asphalt roads, inspection well cover road surface is around prone to and causes damage phenomenon such as decentralized crackle, hole, hole, need to repair in time, otherwise can bring disaster to inspection shaft and even affect water supply and sewerage pipeline, and can affect the safety of pedestrian and/or vehicle.

the original repair mode to hole, aforesaid hole and decentralized crackle adopts oil to guarantee the repair free of charge benefit conventionally, oil is guaranteed the repair free of charge to mend has the strong point of making short work of and saving material, but due to be injected into bubble bag in hole hole and crack can not and road asphalt between produce good combination effect, thereby very easily occur shelling cause repair again frequent.If but in order to improve desirable combination effect between pitch and the original pitch of road for repairing, catch pit port road surface plane is around opened, so certainly can produce following technical problem: the one, long construction period and can affect traffic; The 2nd, maintenance load operation intensity large and municipal maintenance work personnel is large; The 3rd, raw material throwing amount causes greatly and unavoidably waste.

utilization contribute to make the softening heater of pitch to heat inspection well cover pitch around and make former roadbed or claim that pavement asphalt is softening and use make the pitch repaired with it reliable connection be the generally acknowledged form of construction work of current industry, and in published Chinese patent literature, is no lack of the technical information about flexible pavement heater, slightly with exemplify as ZL03264008.0(high-efficient microwave road surface heater), ZL03264009.9(microwave bituminous pavement heater), ZL200320117944.4(microwave bituminous pavement heater), the microwave roads urface heater that ZL200420046641.2(is safe and reliable), ZL200420047053.0(microwave roads urface heater), ZL200420071607.0(microwave roads urface heater) and ZL200520055873.9(steam type microwave roads urface heater), etc..

manual the 0002nd hurdle of " heating arrangements of asphalt pavement heater " that the logical fraud that the patented technology scheme that is not limited to exemplify above exists is provided by application for a patent for invention publication No. CN101718073A is pointed out.In addition, from integrally-built terse and operation convenient, CN2856135Y recommend " asphalt pavement heater " there is certain advantage, specifically can be referring to the Instructions Page 2 final stage of this CN2856135Y.

but, below above-mentioned patented technology scheme including CN101718073Y and CN2856135Y also exists, do not it is found that or be found and unsolved common problem: one, and be not suitable for catch pit port flexible pavement heating around, because catch pit port region is covered and is protected by inspection well cover, and inspection well cover is to reveal naked and (should not have pitch to cover) that cover without pitch, again because heater only needs catch pit port asphalt heating around, but in the time using above-mentioned patent scheme to heat flexible pavement, often show together with inspection well cover and heat, so cause on the one hand energy waste, also exist on the other hand high temperature to undermine the anxiety of inspection well cover, they are two years old, safety is difficult to ensure, taking CN2856135Y and CN101718073A as example, owing to need a plurality of (CN2856135Y signal has six) radiation heating machine can be implemented to multi-point electronic ignition by ignition in the time lighting a fire, therefore the situation that conventionally exists or above radiation heating mechanism not lighted, so can produce sound after fuel gas is introduced, even fail timely completing combustion because of the gas entering and exactly like the surprising sound as blast and follow serious potential safety hazard.

in view of above-mentioned prior art, the applicant has done long-term and positive design, find a way to resolve the problem, and after strict secrecy provision, test in the applicant plant area having taked, it is practicable that result proves, and technical scheme described below produces under this background.

Summary of the invention

task of the present invention is to provide a kind of and contributes to reasonably to avoid covered the region heating of the catch pit port protecting and only needed the flexible pavement of catch pit port surrounding heat and use and avoid causing energy waste and avoid undermining inspection well cover and be conducive to the disposable area ignition of all radiation heating mechanisms to be used to safing inspection shaft flexible pavement heating the pin-connected panel infrared element of use by inspection well cover.

task of the present invention completes like this, a kind of pin-connected panel infrared element of inspection shaft flexible pavement heating use, comprise the identical pair of frame of structure opposite each other and that link together under use state, respectively be fixed with a frame guard shield with airborne at this on to frame, on each frame guard shield, be provided with a liquefied gas fangs and an electric control box, this to frame towards under a side and be respectively fixed with one group of infrared radiation heating arrangements with an arrangement mode that is close to from one end to the other end of the length direction of frame, space between described frame guard shield and described infrared radiation heating arrangements is configured to the chamber of soaring, be fixed on the length direction of each frame a side and be positioned at described in the soar Gas Pipe in chamber, form in the middle position of the length direction of Gas Pipe have one with the gas inlet joint of described electric control box control connection, and form the gas outlet joint that has one group of quantity to equate with the quantity of described infrared radiation heating arrangements with interval state at the length direction of Gas Pipe, on each gas outlet joint, be connected with a gaseous mixture derivation mechanism by pipeline, soar described in gaseous mixture derivation mechanism is positioned at chamber and being connected with described infrared radiation heating arrangements, be characterised in that: in described pair of frame and below one group of infrared radiation heating arrangements corresponding to described, be respectively provided with a regnition mechanism for the gaseous mixture that causes infrared radiation heating arrangements by described gaseous mixture derivation mechanism is lighted, this regnition mechanism and described electric control box control connection, and in the middle position of the side facing each other of pair of frame each form have the catch pit port semicircle cavity of stepping down.

in a specific embodiment of the present invention, the two ends of the length direction of described pair of frame and towards on a side be respectively fixed with a launching cradle, described frame guard shield comprises top backplate and side guard board, the two ends of top backplate and a pair of launching cradle are fixed, make to be configured between top backplate and described infrared radiation heating arrangements the described chamber of soaring by launching cradle, described liquefied gas fangs and electric control box are arranged on the backplate of top, side guard board and frame side is outward fixed, and the upper edge of side guard board is connected with top backplate, on the lower edge of side guard board, be connected with for the infrared radiation heating arrangements to described and cover the anti-air curtain protecting, the position of one group of described gas outlet joint in described Gas Pipe is towards described gaseous mixture derivation mechanism, described pipeline is metal tube.

in another specific embodiment of the present invention, on the outer wall at the two ends of the long side direction of a described side guard board side outward, be respectively fixed with one first castor base, be provided with one first universal wheel at each the first castor base head lamp brush guard pivot, and be respectively fixed with one second castor base on the outer wall of the pair of short edges direction of side guard board, be provided with one second universal wheel at each the second castor base head lamp brush guard pivot, and on the outer wall of the pair of short edges direction corresponding to side guard board, be respectively provided with one for described pair of frame being fixedly connected with or being removed the frame splicing apparatus of connection, wherein: the side at the length direction of pair of frame is respectively fixed with a positive handrail, and be respectively fixed with a side handrail at the two ends of pair of frame.

in another specific embodiment of the present invention, described frame splicing apparatus comprises lock crook plate, lock crook plate pivot and stop pin, lock crook plate pivot is arranged on the outer wall of described short side direction of the side guard board of the described frame guard shield of one of them frame in described pair of frame, stop pin is arranged on the outer wall of short side direction of the side guard board of the frame guard shield of another frame in pair of frame, one end pivoting of lock crook plate is arranged on lock crook plate pivot, and the other end be configured to free end and with stop pin hook.

in another specific embodiment of the present invention, described gaseous mixture derivation mechanism comprises air jet pipe, air inlet adjusting nut cover, gaseous mixture jet thrust and liquid gas flow amount control device, one end of air jet pipe has a nut sleeve matching thread district, a pair of air inlet port and a valve seat, nut sleeve matching thread district is formed on the outer wall of air jet pipe, a pair of air inlet port is between nut sleeve matching thread district and valve seat, this a pair of air inlet port corresponds to each other and communicates with the jet tube chamber of air jet pipe, valve seat is formed on the end face of described one end of air jet pipe, and the valve seat orifice of this valve seat communicates with described jet tube chamber, air inlet adjusting nut cover be nested with on air jet pipe and with nut sleeve matching thread district threaded engagement, when being enclosed within described nut sleeve matching thread district towards the direction of described valve seat, air inlet adjusting nut revolves while moving, the opening degree of described air inlet port reduces, and when being enclosed within nut sleeve matching thread district towards the direction that deviates from valve seat, air inlet adjusting nut revolves while moving, the opening degree of described air inlet port increases, one end of gaseous mixture jet thrust is connected to the other end of air jet pipe with screw thread docked mode, and the other end of gaseous mixture jet thrust and described infrared radiation heating arrangements are matched, liquid gas flow amount control device and described valve seat are fixed, and be connected with described pipeline.

also have in a specific embodiment of the present invention, described liquid gas flow amount control device comprises control valve valve body, needle, nozzle and needle pipe, control valve valve body has a valve body holder, this valve body holder and described valve seat are fixed, needle pipe is arranged in control valve valve body with level, region between the outer wall of the inwall of control valve valve body and needle pipe is configured to control valve body cavity, be extended with a liquefied gas at the sidepiece of control valve valve body and introduce interface, this liquefied gas is introduced interface and is communicated with described control valve body cavity, and be connected with described pipeline, one end of control valve valve body is extended with a needle connector, this needle connector has an adjusting screw, regulate screw to communicate with described needle pipe, the other end of control valve valve body forms a nozzle carrier, one end of nozzle and nozzle carrier screw thread connect, and the other end probes in described valve seat orifice, the nozzle chambers of nozzle be shaped as taper, the stub end of this taper communicates towards nozzle carrier and with control valve body cavity, and little head end is towards described valve seat orifice, one end of needle is probeing into successively described nozzle chambers and is arriving at the position of the spout of nozzle chambers after the needle tube chamber that regulates screw and needle pipe, the other end of needle forms an adjustment screw, this adjustment screw and described adjusting screw screw thread connect.

more of the present invention and in a specific embodiment, described infrared radiation heating arrangements comprises overhead guard, insulating board, deposit gas frame, jet plate, net with heating function, lining net, pressure network and holder screen frame, overhead guard is respectively fixed with a frame Connection Block towards the side in the described chamber of soaring and the two ends that are positioned at this side, frame Connection Block and described frame are fixed, the surrounding of overhead guard forms the holder screen frame of bending vertically downward location flanging, the surrounding of holder screen frame is connected with described holder screen frame location flanging, pressure network is shelved on holder screen frame, lining net is stacked in pressure network, it is online that net with heating function is stacked in lining, jet plate is stacked on net with heating function, and on jet plate, form with high density state the side having from the thickness direction of jet plate and connect the fumarole to opposite side, depositing gas frame is stacked on jet plate, this central region of depositing gas frame is configured to deposits air cavity, insulating board is stacked in to be deposited on gas frame, described gaseous mixture derivation mechanism is connected with described overhead guard and communicates with the described air cavity of depositing.

in of the present invention and then a specific embodiment, on described holder screen frame location flanging, offer flanging connecting hole with interval state, on each flanging connecting hole, be equipped with holder screen frame hold-down screw, offer holder screen frame connecting hole in the surrounding of described holder screen frame and in the position corresponding to flanging connecting hole with interval state, described holder screen frame hold-down screw limits through holder screen frame connecting hole and by the nut that limits screwing on holder screen frame hold-down screw; Described net with heating function is nickel wire net or tungsten silk screen, and the number of plies is 5-12 layer.

of the present invention again more and in a specific embodiment, described regnition mechanism comprises igniter holder fixed head, igniter holder, ignitron, first high-pressure electronic igniter head and second high-pressure electronic igniter head, igniter holder fixed head is fixed on one end of described frame, igniter holder is fixed on igniter holder fixed head, one end of ignitron is fixed on igniter holder, and by air entraining pipe and described electric control box control connection, the other end of ignitron is connected with the other end of described frame, the middle part of ignitron is corresponding to the below of described one group of infrared radiation heating arrangements, and the middle part of ignitron offers ignitron fumarole with interval state, first, second high-pressure electronic igniter head corresponds to each other, wherein: first high-pressure electronic igniter head is fixed on a side of igniter holder, first ignition electrode of this first high-pressure electronic igniter head is corresponding to a side of ignitron, and first high voltage connector of first high-pressure electronic igniter head is connected with electric control box electrical control by circuit, second high-pressure electronic igniter head is fixed on the opposite side of igniter holder, second igniting of this second high-pressure electronic igniter head is for should be in the opposite side of ignitron, and second high voltage connector of second high-pressure electronic igniter head is connected with electric control box electrical control by circuit equally, wherein: the first ignition electrode is electrically connected with the first high voltage connector, and the second ignition electrode is electrically connected with the second high voltage connector.

in again of the present invention and then a specific embodiment, be equipped with a fixed cover at the described other end of described ignitron, this fixed cover has a standing screw, and this standing screw is fixedly connected with the described other end of described frame.

technical scheme provided by the invention is owing to having configured regnition mechanism, when Gas Pipe is introduced liquefied gas after one group of gaseous mixture derivation mechanism, to introduce one group of infrared radiation heating arrangements with the mixed fuel gas of air by one group of gaseous mixture derivation mechanism, therefore in the time that lighting a fire, regnition mechanism can light disposable all infrared radiation heating arrangements comprehensively, not only can ensure safety, and the effect of can ensure road pavement pitch time heating; Due to by each the central region facing each other of pair of frame form have the catch pit port semicircle chamber of stepping down, thereby can avoid the heating to inspection well cover region, both can energy conservation, can avoid again inspection well cover to damage.

Brief description of the drawings

fig. 1 is embodiments of the invention schematic diagram.

fig. 2 is the three-dimensional assembling structure figure of the gaseous mixture derivation mechanism shown in Fig. 1.

fig. 3 is the three-dimensional assembling structure figure of the infrared radiation heating arrangements shown in Fig. 1.

fig. 4 is the sectional view of Fig. 1.

fig. 5 is the structure chart of the regnition mechanism shown in Fig. 1.

fig. 6 is the sectional view of Fig. 5.

fig. 7 is application examples schematic diagram of the present invention.

Detailed description of the invention

for the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.

refer to Fig. 1, provide pair of frame 1, under use state, the side facing each other of this pair of frame 1 is fixed together with erection method, particularly, one side side of the length direction of pair of frame 1 is fixed together in aspectant mode, because the structure of pair of frame 1 is identical, therefore description is below only for one of them.Frame 1 towards on a side surface and be positioned at two ends and be respectively fixed with the launching cradle 15 of a shape just as portal frame shape, that is to say that launching cradle 15 has a pair of, certainly, the quantity of launching cradle 15 is not subject to a pair of restriction, can increase as required, for example be increased to three, therefore can not limit the present invention program with the number change of launching cradle 15.With regard to the present embodiment, on a pair of launching cradle 15, be fixed with a frame guard shield 11, by frame guard shield 11 by frame 1 in covering the state of protecting.

main points as technical scheme provided by the invention: being respectively arranged with in the middle position of the side facing each other of pair of frame 1 and the length direction that is positioned at this side to form has the catch pit port semicircle cavity 14 of stepping down, two catch pit port semicircles that make therefrom to face each other are stepped down after cavity 14 coordinates and are formed an overall circular cavity, the inspection well cover that this circular cavity is used for being assigned on catch pit port with known lid adapts, thereby catch pit port and catch pit port flexible pavement are around separated.So structure, in the time of the asphalt heating to around catch pit port, can be avoided the heating to inspection well cover, not only can energy conservation, and can avoid inspection well cover to damage because of hyperthermia radiation.

aforesaid frame protecting cover 11 comprises top backplate 111 and side guard board 112, top backplate 111 is fixed on aforesaid a pair of launching cradle 15, side guard board 112 is fixed with frame 1 side outward, and the surrounding of the upper edge of side guard board 112 and top backplate 111 is welded to connect, and the lower edge of side guard board 112 is covered the side of frame 1 and is protected, be that side guard board 112 extends towards the direction of terrace, and be fixed with an anti-air curtain 1121 of preferably being filled the post of as glass fabric by exotic material in the lower edge of side guard board 112.Shown in figure, be fixed with a liquefied gas fangs 12 in one end of top backplate 111, the other end is provided with an electric control box 13.On the outer wall at the two ends of the long side direction of side guard board 112 side outward, be respectively fixed with one first castor base 1122, be provided with one first universal wheel 11221 at each the first castor base 1122 head lamp brush guard pivots, and in the pair of short edges of side guard board 112 and be positioned at outer wall and be respectively fixed with one second castor base 1123, be provided with one second universal wheel 11231 at each the second castor base 1123 head lamp brush guard pivots, hence one can see that, for one of them frame 1 in pair of frame 1, has four universal wheels.

be convenient to move for the ease of using, be therefore respectively provided with positive handrail 16a at the length direction of pair of frame 1 side outward, and be respectively provided with a side handrail 16b at the two ends of pair of frame 1.

figure 1 illustrates each frame splicing apparatus 6 for pair of frame 1 is linked together under use state at the two ends that are positioned at pair of frame 1, that is to say that frame splicing apparatus 6 has a pair of, each frame splicing apparatus 6 comprises lock crook plate 61, lock crook plate pivot 62 and stop pin 63, stop pin 63 is fixed on the outer wall of minor face of the side guard board 112 of the frame guard shield 11 of one of them frame 1 in pair of frame 1, in the present embodiment stop pin 63 is fixed on one of them second castor base 1123 of a pair of the second castor base 1123, lock crook plate pivot 62 is fixed on the outer wall of minor face of the side guard board 112 of the frame guard shield 11 of another frame 1 in pair of frame 1, in the present embodiment lock crook plate pivot 62 is fixed on another second castor base 1123 in a pair of the second castor base 1123, one end of lock crook plate 61 is arranged on lock crook plate pivot 62 rotationally, and the other end of lock crook plate 62 formation has a lock crook plate recess 611, this lock crook plate recess 611 hooks together and is buckled in shortly on stop pin 63.

in the time that the present invention transports job site to, as long as pair of frame 1 is namely put together the side facing each other together by the state shown in Fig. 1, rotate towards the direction of stop pin 63 the one end then free end of lock crook plate 61 to lock crook plate recess 611, until lock crook plate recess 611 coordinates with stop pin 63, thereby pair of frame 1 is assembled into an entirety, and vice versa.

in aforesaid pair of frame 1 and from one end to the other end of the length direction of frame 1, be fixed with one group of infrared radiation heating arrangements 4 with a connecting method that is close to separately, in the present embodiment, although illustrated the quantity of one group of infrared radiation heating arrangements 4 to have four in Fig. 1, obviously quantity and limit the present invention whereby not.Because one group of infrared radiation heating arrangements 4 is positioned at the below of frame 1, say definitely the below corresponding to frame guard shield 11, therefore between frame guard shield 11 and one group of infrared radiation heating arrangements 4, maintain space, be configured to by this space the chamber 113 of soaring.As aforementioned, due to the middle part of the length direction of the side facing each other of pair of frame 1 and in position to correspond to each other each form have the catch pit port semicircle cavity 14 of stepping down, therefore in one group of infrared radiation heating arrangements 4, should meet and the catch pit port semicircle degree that cavity 14 adapts of stepping down according to general knowledge corresponding to the step down shape of infrared radiation heating arrangements 4 at cavity 14 positions of catch pit port semicircle, therefore, in figure, illustrate two infrared radiation heating arrangements 4 in the middle of being positioned in one group of infrared radiation heating arrangements 4 to be designed to circular-arc towards step down one end of cavity 14 of catch pit port semicircle.

in frame guard shield 11 in each frame 1, be provided with a Gas Pipe 2, one side of Gas Pipe 2 and the length direction of frame 1 fixes with a side of the side guard board 112 long limit and that have the first castor base 1122 of frame 1, form and have a gas inlet joint 21 at the middle part of the length direction of Gas Pipe 2, gas inlet joint 21 is shown by air supply pipe 211(Fig. 7) and electric control box 13 control connections, and the length direction of Gas Pipe 2 with interval state form have that quantity equates with the quantity of aforesaid infrared radiation heating arrangements 4 and corresponding to one group of gas outlet joint 22 above infrared radiation heating arrangements 4.Certainly, each infrared radiation heating arrangements 4 is corresponding to a gas outlet joint 22.On each gas outlet joint 22, be connected with a gaseous mixture derivation mechanism 3 by the pipeline 221 of gas outlet joint 22, for the ease of gas outlet joint 22 is connected with gaseous mixture derivation mechanism 3 easily, therefore when design by gas outlet joint 22 towards gaseous mixture derivation mechanism 3, gas inlet joint 21 is positioned at Gas Pipe 2 towards a upper side.Preferably, pipeline 221 uses metal tube, but also can use non-metallic pipe.Each gaseous mixture derivation mechanism 3 is stretched over infrared radiation heating arrangements 4 and connects with infrared radiation heating arrangements 4, and shown in figure, the quantity of one group of gaseous mixture derivation mechanism 3 equates there are equally four with the quantity of one group of infrared radiation heating arrangements 4.

refer to Fig. 2 and in conjunction with Fig. 1, one group of gaseous mixture derivation mechanism 3 respectively comprises air jet pipe 31, air inlet adjustment nut sleeve 32, gaseous mixture jet thrust 33 and liquid gas flow amount control device 34, one end of air jet pipe 31 forms and has nut sleeve matching thread district 311 towards one end of aforesaid gas outlet joint 22, a pair of air inlet port 312 and valve seat 313, nut sleeve matching thread district 311 is formed on the outer wall of air jet pipe 31, a pair of air inlet port 312 is between nut sleeve matching thread district 311 and valve seat 313, and this pair of air inlet port 312 keeps aspectant corresponding states each other, valve seat 313 is positioned at air jet pipe 31 on the end face of one end of gas outlet joint 22, there is a valve seat orifice 3131 in the central authorities of this valve seat 313, this valve seat orifice 3131 communicates with the jet tube chamber 314 of air jet pipe 31, and on valve seat 313, be provided with one group of (Figure 2 shows that four) attachment screw hole 3132.Being nested with on air jet pipe 31 of air inlet adjustment nut sleeve 32, and wall is processed with internal thread 321 therein, this internal thread 321 and aforesaid nut sleeve matching thread district 311 threaded engagement.Because the function of a pair of air inlet port 312 is for introducing outside air, mix and form gaseous mixture with liquefaction gas phase by outside air, therefore the keying degree of a pair of air inlet port 312 is that the size of open degree is taken on by air inlet adjustment nut sleeve 32, for example (taking the location status of current icon as example): during by the 32 counterclockwise turn of air inlet adjustment nut sleeve, towards the direction displacement of valve seat 313, thereby air inlet adjustment nut sleeve 32 is increased to the degree of closure of air inlet port 312, the inlet of outside air reduces, otherwise, in the time that air inlet adjustment nut sleeve 32 turns clockwise, towards the direction displacement away from valve seat 313, the opening degree of a pair of air inlet port 312 or title degree of exposure increase, the inlet of outside air increases.Therefore can obtain the desirable mist of rational combustion efficiency to the reasonable adjusting of air inlet adjustment nut sleeve 32.Preferably, also can in air inlet adjustment nut sleeve 32, offer a locating hole 322, and on locating hole 322, arrange one piece of dog screw 3221, after air inlet adjustment nut sleeve 32 is adjusted to required degree by description above, screw dog screw 3221, so that air inlet adjustment nut sleeve 32 is limited.The screw thread of the other end of one end of gaseous mixture shower nozzle 33 and air jet pipe 31 connects, and the other end of gaseous mixture jet thrust connects one end of a connection pipeline section 331, the other end that connects pipeline section 331 has a connecting seat 3311, and Connection Block 3311 and above infrared radiation heating arrangements 4 that mentioned and that also will describe in detail below connect.Liquid gas flow amount control device 4 preferably but not the structure being definitely limited to is as follows: comprise control valve valve body 341, needle 342, nozzle 343 and needle pipe 344, the middle part expansion of the length direction of control valve valve body 341 is provided with a valve body holder 3411, on this valve body holder 3411 and offering corresponding to the position in aforesaid attachment screw hole 3132 through hole 34111 that one group of quantity equates with attachment screw hole 3132, screw in attachment screw hole 3132 and valve body holder 3411 is fixing with valve seat 313 by attachment screw 34112 via through holes 34111.Needle pipe 344 is arranged in control valve valve body 341 with level, space between the outer wall of the inwall of control valve valve body 341 and needle pipe 344 is that region is configured to control valve body cavity 3412, that is to say that whole piece of needle pipe 344 is positioned at control valve body cavity 3412 with level.Be extended with a liquefied gas at the sidepiece of control valve valve body 341 and introduce interface 3413, this liquefied gas is introduced interface 3413 and is communicated with aforesaid control valve body cavity 3412, and be connected with aforesaid pipeline 221, introduce interface 3413 by this liquefied gas the liquefied gas that comes from pipeline 221 is introduced in control valve body cavity 3412.Be extended with a needle connector 3414 in one end of control valve valve body 341, this needle connector 3414 has an adjusting screw 34141, this adjusting screw 34141 communicates with aforesaid needle pipe 344, the other end of control valve valve body 341 forms a nozzle carrier 3415, and the inwall of this nozzle carrier 3415 forms has nozzle to connect internal thread hole 34151.On the outer wall of one end of nozzle 343, form and have nozzle to connect external screw thread 3432, this nozzle connects external screw thread 3432 and connects internal thread 34151 threaded engagement with nozzle, thereby nozzle 343 is fixing with nozzle carrier 3145, and the other end of nozzle 343 probes into or claims to insert in aforesaid valve seat orifice 3131.As shown in Figure 2, the shape of the nozzle chambers 3431 of nozzle 343 is configured to the large and little conical cavity of the diameter of the other end of the diameter of one end, the stub end of this conical cavity is that one end that diameter is large communicates towards nozzle carrier 3415 and with control valve body cavity 342, and little head end one end that to be diameter little is towards valve seat orifice 3131.One end of needle 342 probes in aforesaid nozzle chambers 3431 after passing the needle tube chamber that regulates screw 34141 and needle pipe 344 successively, and arrive at the position of the spout 34311 of nozzle chambers 3431, the other end of needle 342 forms an adjustment screw 3421, and this adjustment screw 3421 connects with aforesaid adjusting screw 34141 screw threads.Preferably, helmet screw thread 34142 is set on the outer wall of aforesaid needle connector 3414, on this helmet screw thread 34142, arranges one for adjustment screw 3421 being covered to the helmet 345 protecting.

be under the state of removal helmet 345 at whiz, criticize (screwdriver) with instrument as sieve adjustment screw 3421 is regulated, thereby can make needle 342 change in the position at spout 34311 places of nozzle chambers 3431.Particularly, needle 342 is towards the direction displacement of spout 34311, and the liquefied gas that comes from spout 34311 is that the flow of combustion gas diminishes, otherwise with example.

refer to Fig. 3 and Fig. 4, provided in the figure one of them frame 1 that is arranged in pair of frame 1 below and be all four with the fixing one group of infrared radiation heating arrangements 4(the present embodiment of frame 1).According to general knowledge, because frame 1 has a pair ofly, therefore infrared radiation heating arrangements 4 has two groups, again because every group has four, therefore have eight, also, because the structure of each infrared radiation heating arrangements 4 is identical, therefore applicant is only elaborated for one below.

preferably but not the structure of the infrared radiation heating arrangements 4 being definitely limited to is as follows: comprise overhead guard 41, insulating board 42, deposit gas frame 43, jet plate 44, net with heating function 45, lining net 46, pressure network 47 and holder screen frame 48, overhead guard 41 towards the surface of the side in the aforesaid chamber 113 of soaring and the surperficial two ends that are positioned at this side be respectively fixed with the L shaped frame Connection Block 411 that a shape of cross section is English alphabet, on each frame Connection Block 411, offer one group with interval state and be fixedly connected with hole 4111, by being fixedly connected with hole 4111 and by means of hold-down screw, frame Connection Block 411 and the corresponding both sides of the length direction of frame 1 being fixedly connected with to (Fig. 1 shows), the surrounding of overhead guard 41 forms the holder screen frame of vertical downward bending location flanging 412, and offer flanging connecting hole 4121 with interval state on the flanging 412 of holder screen frame location, on each flanging connecting hole 4121, is furnished with holder screen frame hold-down screw 41211, each holder screen frame hold-down screw 41211 is also equipped with and limits nut 41212.The surrounding of holder screen frame 48 is connected with holder screen frame location flanging 412, specifically: at the holder screen frame connecting hole 481 that holds in the palm the surrounding of screen frame 48 and offering quantity corresponding to the position of flanging connecting hole 4121 and equate with the quantity of flanging connecting hole 412.The inner side that corresponds to overhead guard 41 when holder screen frame 48 corresponds to the interior rear flank of holding in the palm screen frame location flanging 412, inserted from flanging connecting hole 4121 and holder screen frame connecting hole 481 successively by aforesaid holder screen frame hold-down screw 41211, and limit with limiting nut 41212, thereby holder screen frame 48 is fixing with the holder screen frame location flanging 412 of overhead guard 41.Pressure network 47 is shelved on holder screen frame 48 towards a upper side, lining net 41 is stacked in pressure network 47, net with heating function 45 is stacked on lining net 46, this net with heating function 45 also can be described as heat radiation net, it is to be made up of the nickel wire or the tungsten filament mesh grid that are preferably 5-12 layer, jet plate 44 is shelved and is stacked in shortly on net with heating function 45, and have with intensive morphosis the fumarole 441 that is through to opposite side from a side of the thickness direction of jet plate 44 on this jet plate 44, depositing gas frame 43 is stacked on jet plate 44, this is deposited the central region of gas frame 43 or claims region in framework to be configured to and deposits air cavity 431, insulating board 42 is stacked in to be deposited on gas frame 43, the gaseous mixture jet thrust 33 of aforesaid gaseous mixture derivation mechanism 3 connects with the Connection Block resigning hole 413 on overhead guard 41, more precisely, Connection Block 3311 on the connection pipeline section 331 of gaseous mixture jet thrust 33 connects with Connection Block resigning hole 413, and connect pipeline section 331 communicates with the aforesaid air cavity 431 of depositing after through insulating board 42.

refer to Fig. 5 and Fig. 6 and still in conjunction with Fig. 1, because the structure of a pair of regnition mechanism 5 of the below of the each one group of infrared radiation heating arrangements 4 corresponding to pair of frame 1 is identical, therefore applicant is only described in detail for one below.

preferably but not the structure of the regnition mechanism 5 being definitely limited to is as follows: comprise igniter holder fixed head 51, igniter holder 52, ignitron 53, first high-pressure electronic igniter head 54 and second high-pressure electronic igniter head 55, the global shape of igniter holder fixed head 51 is L shaped (Fig. 1 shows) of English alphabet, and with fixing in fixed head screw 511 and one end of frame 1, the illustrated igniter hold-down screw 521 of igniter holder 52 use is fixing with igniter holder fixed head 51, one end of ignitron 53 is fixed on igniter holder 52 and leans out igniter holder 52, and show by air entraining pipe 531(Fig. 7) and aforesaid electric control box 13 control connections, the other end of ignitron 53 is provided with a fixed cover 532, this fixed cover 532 has a standing screw 5321, standing screw 5321 is fixed with the other end of frame 1, the middle part of ignitron 53 is corresponding to the below of aforesaid one group of infrared radiation heating arrangements 4, and offer fumarole 533 with interval state.First, second high-pressure electronic igniter head 54, 55 correspond to each other is inserted on each igniter head fixing hole 522 of the both sides that are preset in igniter holder 52, and respectively support fixing by igniter head hold-down screw 523 being disposed on igniter holder 522, wherein: first high-pressure electronic igniter head 54 is positioned at a side of igniter holder 52, first ignition electrode 541 of this first high-pressure electronic igniter head 54 is corresponding to a side of ignitron 53, and first high voltage connector 542 of first high-pressure electronic igniter head 54 is connected with electric control box 13 electrical controls by circuit, second high-pressure electronic igniter head 55 is fixed on the opposite side of igniter holder 52, second ignition electrode 551 of this second high-pressure electronic igniter head 55 is corresponding to the opposite side of ignitron 53, and second high voltage connector 552 of second high-pressure electronic igniter head 55 is connected with electric control box 13 electrical controls by circuit equally.According to general knowledge, the first ignition electrode 541 is electrically connected with the first high voltage connector 542, and the second ignition electrode 551 is electrically connected with the second high voltage connector 552.

in aforesaid electric control box 13 by be equipped with air supply pipe electromagnetic valve for controlling air supply pipe 211, for control the air entraining pipe electromagnetic valve of air entraining pipe 531 with for controlling the ignition switch being connected with first, second line ball joint 542,552 circuit.The power supply of electric control box 13 preferably uses solar photovoltaic assembly, specifically: can on the top of frame guard shield 11 backplate 111, configure solar photovoltaic electrification component.

refer to Fig. 7 and in conjunction with Fig. 1 to Fig. 6, on the liquefied gas fangs 12 of the top backplate 111 of the frame guard shield 11 of pair of frame 1, be respectively provided with a liquefied gas storage 7, the combustion gas efferent duct of drawing on the reducing valve by liquefied gas storage 7 transitional pore 131(Fig. 1 from electric control box 13 shows) introduce in electric control box 13 and be connected with aforesaid air supply pipe electromagnetic valve and air entraining pipe electromagnetic valve.

in the time that the present invention is transported to job site, by aforesaid frame splicing apparatus 6 by pair of frame 1 in amalgamation state together, in the state shown in Fig. 1, and by the aforesaid catch pit port semicircle position of cavity 14 corresponding to the inspection well cover of job site of stepping down.By operator, the corresponding operating button 132 on electric control box 13 is operated, for example, under the state that the valve on liquefied gas storage 7 is opened, first open the air supply pipe electromagnetic valve for controlling air supply pipe 211, by air supply pipe 211, liquefied gas is caused to the gas inlet joint 21 of Gas Pipe 2, the intraluminal liquefied gas of Gas Pipe that enters into Gas Pipe 2 is introduced the liquid gas flow amount control device 34 of the gaseous mixture derivation mechanism of being illustrated by Fig. 2 through gas outlet joint 22 and pipeline 221, enter into liquefied gas in the control valve body cavity 3412 of control valve valve body 341 of liquid gas flow amount control device 34 sprays into valve seat 313 valve seat orifice 3131 from the spout 34311 of the nozzle chambers 3431 of nozzle 343, coming from valve seat orifice 3131 liquefied gas mixes mutually with the outside air that comes from air inlet port 312 and forms gaseous mixture and enter the jet tube chamber 314 of air jet pipe 31, gaseous mixture in jet tube chamber 314 through gaseous mixture jet thrust 33 be connected pipeline section 331 spray into infrared radiation heating arrangements 4 deposit gas frame 43 deposit air cavity 431, enter fumarole 441 disperses of the gaseous mixture of depositing in air cavity 431 on jet plate 44 to net with heating function 45.Because the ignitron 53 of regnition mechanism 5 is corresponding to the below of one group of infrared radiation heating arrangements 4, therefore give in Gas Pipe 2 air feed above-mentioned, open the gas supply electromagnetic valve for ignitron 53 air feed by the operation to electric control box 13, liquefied gas is introduced ignitron 531 by air entraining pipe 531, and the liquefied gas in inlet point fire tube 531 sprays from ignitron fumarole 5331.Now, by the operation of electric control box 13 is opened to high-tension ignition switch, make first, second ignition electrode 541,551 send high tension spark, thereby light out the liquefied gas of self-ignition fumarole 533.Under this state, the central region (having the region of ignitron fumarole 533) of whole ignitron 53 forms a tediously long fire bundle or claims fire band corresponding to the region of one group of infrared radiation heating arrangements 4, by this tediously long fire bundle, the gaseous mixture of the fumarole 441 that comes from jet plate 44 is lighted.Cut-out point ignition circuit after regnition finishes.Under this state, softening by net with heating function 45 road pavement asphalt heatings, in order to repairing asphalt, can be referring to the manual 0025-0026 section of CN101718073A to this.

in sum, technical scheme provided by the invention has overcome the deficiency in prior art, has completed invention task, has embodied objectively the technique effect described in the superincumbent technique effect of applicant hurdle.

Claims

1. a kind of pin-connected panel infrared element of inspection shaft flexible pavement heating use, comprise the identical pair of frame (1) of structure opposite each other and that link together under use state, respectively be fixed with a frame guard shield (11) to frame (1) is upper with airborne at this, on each frame guard shield (11), be provided with a liquefied gas fangs (12) and an electric control box (13), this to frame (1) towards under a side and be respectively fixed with one group of infrared radiation heating arrangements (4) with an arrangement mode that is close to from one end to the other end of the length direction of frame (1), space between described frame guard shield (11) and described infrared radiation heating arrangements (4) is configured to the chamber of soaring (113), be fixed on the length direction of each frame (1) a side and be positioned at described in the soar Gas Pipe (2) of chamber (113), form in the middle position of the length direction of Gas Pipe (2) have one with the gas inlet joint (21) of described electric control box (13) control connection, and form the gas outlet joint (22) that has one group of quantity to equate with the quantity of described infrared radiation heating arrangements (4) with interval state at the length direction of Gas Pipe (2), above be connected with a gaseous mixture derivation mechanism (3) by pipeline (221) at each gas outlet joint (22), soar described in gaseous mixture derivation mechanism (3) is positioned at chamber (113) and being connected with described infrared radiation heating arrangements (4), it is characterized in that: upper and be respectively provided with a regnition mechanism (5) for the gaseous mixture that is caused infrared radiation heating arrangements (4) by described gaseous mixture derivation mechanism (3) is lighted in the below of the one group of infrared radiation heating arrangements (4) corresponding to described in described pair of frame (1), this regnition mechanism (5) and described electric control box (13) control connection, and in the middle position of the side facing each other of pair of frame (1) each form have the catch pit port semicircle cavity (14) of stepping down.

2. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 1, it is characterized in that at the two ends of the length direction of described pair of frame (1) and be respectively fixed with a launching cradle (15) towards a upper side, described frame guard shield (11) comprises top backplate (111) and side guard board (112), the two ends of top backplate (111) and a pair of launching cradle (15) are fixing, make to be configured between top backplate (111) and described infrared radiation heating arrangements (4) the described chamber of soaring (113) by launching cradle (15), described liquefied gas fangs (12) and electric control box (13) are arranged on top backplate (111), side guard board (112) is fixed with frame (1) side outward, and the upper edge of side guard board (112) is connected with top backplate (111), on the lower edge of side guard board (112), be connected with for the infrared radiation heating arrangements (4) to described and cover the anti-air curtain (1121) protecting, the position of described one group of gas outlet joint (22) in described Gas Pipe (2) is towards described gaseous mixture derivation mechanism (3), described pipeline (221) is metal tube.

3. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 2, it is characterized in that being respectively fixed with one first castor base (1122) on the outer wall at the two ends of the long side direction of described side guard board (112) side outward, be provided with one first universal wheel (11221) at each the first castor base (1122) head lamp brush guard pivot, and be respectively fixed with one second castor base (1123) on the outer wall of the pair of short edges direction of side guard board (112), be provided with one second universal wheel (11231) at each the second castor base (1123) head lamp brush guard pivot, and on the outer wall of the pair of short edges direction corresponding to side guard board (112), be respectively provided with one for described pair of frame (1) being fixedly connected with or being removed the frame splicing apparatus (6) of connection, wherein: the side at the length direction of pair of frame (1) is respectively fixed with a positive handrail (16a), and be respectively fixed with a side handrail (16b) at the two ends of pair of frame (1).

4. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 3, it is characterized in that described frame splicing apparatus (6) comprises lock crook plate (61), lock crook plate pivot (62) and stop pin (63), lock crook plate pivot (62) is arranged on the outer wall of described short side direction of the side guard board (112) of the described frame guard shield (11) of one of them frame (1) in described pair of frame (1), stop pin (63) is arranged on the outer wall of short side direction of the side guard board (112) of the frame guard shield (11) of another frame (1) in pair of frame (1), one end pivoting of lock crook plate (61) is arranged on lock crook plate pivot (62), and the other end be configured to free end and with stop pin (63) hook.

5. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 2, it is characterized in that described gaseous mixture derivation mechanism (3) comprises air jet pipe (31), air inlet adjusting nut cover (32), gaseous mixture jet thrust (33) and liquid gas flow amount control device (34), one end of air jet pipe (31) has a nut sleeve matching thread district (311), a pair of air inlet port (312) and a valve seat (313), nut sleeve matching thread district (311) is formed on the outer wall of air jet pipe (31), a pair of air inlet port (312) is positioned between nut sleeve matching thread district (311) and valve seat (313), this a pair of air inlet port (312) corresponds to each other and communicates with the jet tube chamber (314) of air jet pipe (31), valve seat (313) is formed on the end face of described one end of air jet pipe (31), and the valve seat orifice (3131) of this valve seat (313) communicates with described jet tube chamber (314), air inlet adjusting nut cover (32) be nested with upper at air jet pipe (31) and with nut sleeve matching thread district (311) threaded engagement, revolve while moving towards the direction of described valve seat (313) when air inlet adjusting nut cover (32) is upper in described nut sleeve matching thread district (311), the opening degree of described air inlet port (312) reduces, and revolve while moving towards the direction that deviates from valve seat (313) when air inlet adjusting nut cover (32) is upper in nut sleeve matching thread district (311), the opening degree of described air inlet port (312) increases, one end of gaseous mixture jet thrust (33) is connected to the other end of air jet pipe (31) with screw thread docked mode, and the other end of gaseous mixture jet thrust (33) and described infrared radiation heating arrangements (4) are matched, liquid gas flow amount control device (34) is fixing with described valve seat (313), and be connected with described pipeline (221).

6. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 5, it is characterized in that described liquid gas flow amount control device (34) comprises control valve valve body (341), needle (342), nozzle (343) and needle pipe (344), control valve valve body (341) has a valve body holder (3411), this valve body holder (3411) is fixing with described valve seat (313), needle pipe (344) is arranged in control valve valve body (341) with level, region between the outer wall of the inwall of control valve valve body (341) and needle pipe (344) is configured to control valve body cavity (3412), be extended with a liquefied gas at the sidepiece of control valve valve body (341) and introduce interface (3413), this liquefied gas is introduced interface (3413) and is communicated with described control valve body cavity (3412), and be connected with described pipeline (221), one end of control valve valve body (341) is extended with a needle connector (3414), this needle connector (3414) has an adjusting screw (34141), regulate screw (34141) to communicate with described needle pipe (344), the other end of control valve valve body (341) forms a nozzle carrier (3415), one end of nozzle (343) and nozzle carrier (3415) screw thread connect, and the other end probes in described valve seat orifice (3131), the nozzle chambers (3431) of nozzle (343) be shaped as taper, the stub end of this taper communicates towards nozzle carrier (3415) and with control valve body cavity (3412), and little head end is towards described valve seat orifice (3131), the nozzle chambers (3431) of one end of needle (342) described in probeing into after regulating screw (34141) and the needle tube chamber of needle pipe (344) successively and arrive at the position of the spout (34311) of nozzle chambers (3431), the other end of needle (342) forms an adjustment screw (3421), this adjustment screw (3421) connects with described adjusting screw (34141) screw thread.

7. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 2, it is characterized in that described infrared radiation heating arrangements (4) comprises overhead guard (41), insulating board (42), deposit gas frame (43), jet plate (44), net with heating function (45), lining net (46), pressure network (47) and holder screen frame (48), overhead guard (41) is respectively fixed with a frame Connection Block (411) towards the side in the described chamber of soaring (113) and the two ends that are positioned at this side, frame Connection Block (411) is fixing with described frame (1), the surrounding of overhead guard (41) forms the holder screen frame of bending vertically downward location flanging (412), the surrounding of holder screen frame (48) is connected with described holder screen frame location flanging (412), pressure network (47) is shelved on holder screen frame (48), lining net (46) is stacked in pressure network (47), net with heating function (45) is stacked on lining net (46), jet plate (44) is stacked on net with heating function (45), and form with high density state the side having from the thickness direction of jet plate (44) and connect the fumarole (441) to opposite side jet plate (44) is upper, depositing gas frame (43) is stacked on jet plate (44), this central region of depositing gas frame (43) is configured to deposits air cavity (431), insulating board (42) is stacked in to be deposited on gas frame (43), described gaseous mixture derivation mechanism (3) is connected with described overhead guard (41) and deposits air cavity (431 communicate with described.

8. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 7, it is characterized in that above offering flanging connecting hole (4121) with interval state at described holder screen frame location flanging (412), on each flanging connecting hole (4121), be equipped with holder screen frame hold-down screw (41211), offer holder screen frame connecting hole (481) in the surrounding of described holder screen frame (48) and in the position corresponding to flanging connecting hole (4121) with interval state, described holder screen frame hold-down screw (41211) limits through holder screen frame connecting hole (481) and by the nut (41212) that limits screwing on holder screen frame hold-down screw (41211), described net with heating function (45) is nickel wire net or tungsten silk screen, and the number of plies is 5-12 layer.

9. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 1, it is characterized in that described regnition mechanism (5) comprises igniter holder fixed head (51), igniter holder (52), ignitron (53), first high-pressure electronic igniter head (54) and second high-pressure electronic igniter head (55), igniter holder fixed head (51) is fixed on one end of described frame (1), igniter holder (52) is fixed on igniter holder fixed head (51), one end of ignitron (53) is fixed on igniter holder (52), and by air entraining pipe (531) and described electric control box (13) control connection, the other end of ignitron (53) is connected with the other end of described frame (1), the middle part of ignitron (53) is corresponding to the below of described one group of infrared radiation heating arrangements (4), and the middle part of ignitron (53) offers ignitron fumarole (533) with interval state, first, second high-pressure electronic igniter head (54, 55) correspond to each other, wherein: first high-pressure electronic igniter head (54) is fixed on a side of igniter holder (52), first ignition electrode (541) of this first high-pressure electronic igniter head (54) is corresponding to a side of ignitron (53), and first high voltage connector (542) of first high-pressure electronic igniter head (54) is connected with electric control box (13) electrical control by circuit, second high-pressure electronic igniter head (55) is fixed on the opposite side of igniter holder (52), second ignition electrode (551) of this second high-pressure electronic igniter head (55) is corresponding to the opposite side of ignitron (53), and second high voltage connector (552) of second high-pressure electronic igniter head (55) is connected with electric control box (13) electrical control by circuit equally, wherein: the first ignition electrode (541) is electrically connected with the first high voltage connector (542), and the second ignition electrode (551) is electrically connected with the second high voltage connector (552).

10. the pin-connected panel infrared element of inspection shaft flexible pavement heating use according to claim 9, it is characterized in that being equipped with a fixed cover (532) at the described other end of described ignitron (53), this fixed cover (532) has a standing screw (5321), and this standing screw (5321) is fixedly connected with the described other end of described frame (1).