CN109387535A - A kind of chamber for simulating underground heat - Google Patents

Abstract

The present invention relates to Test And Check Technology fields, and in particular to a kind of chamber for simulating underground heat, including vibration device, hot tank, filter shake spring, chamber, connecting elements, position-limited rack and sampler；The vibration device upper end is provided with ground hot tank, ground hot tank is connected with vibration device by filter shake spring, the upper end of ground hot tank is provided with chamber, chamber is connected with ground hot tank by connecting elements, chamber is movably arranged in position-limited rack, multiple samplers are provided on the side wall of chamber, solve how preferably to simulate true indoor environment, the problem of accelerating the process of test, and the factor for influencing floor evaporation rate is determined by test, and its influence situation, and when the installation on floor is laid with, skilled worker is instructed to control relevant influence factor in the reasonable scope, to slow down the evaporation rate of the organic gas such as formaldehyde, to reduce the content of formaldehyde in indoor air to greatest extent, the amount of pernicious gas in suction body is reduced to greatest extent.

Description

A kind of chamber for simulating underground heat

Technical field

The invention belongs to Test And Check Technology fields, and in particular to a kind of chamber for simulating underground heat.

Background technique

Floor heating, it is radiator by the heating agent in flooring radiation layer that the abbreviation of floor panel heating, which is using entire ground, The even entire ground of heating, is conducted from the bottom to top using the rule that ground Self-heat-storage and heat radiate upwards, is taken with conveying Warm purpose, water floor heating, refers to and water is heated to certain temperature, is transported to underfloor water pipe pipe radiating network, is sent out by floor A kind of mode that is hot and realizing heating purpose.

Since floor can add additive in process of production, these additives, which can volatilize, generates organic gas such as formaldehyde etc. Chemical substance is the main source of indoor pollutant, and causing the principal element of the volatilization on floor is temperature and humidity, for temperature Volatilization people carry out many relevant tests with formaldehyde caused by humidity, and still, there are the following problems:

(1) paving mode of heating tube, if floor evaporation rate is had an impact；

(2) heating layer contacted with floor is sufficiently drying, and the size of moisture content influences situation to floor evaporation rate；

(3) whether the frequency walked about on floor, the micro-strain generated to floor can accelerate floor evaporation rate；

(4) distance of the skirting away from floor surface is different, whether influences floor volatilization speed to the position-limiting action difference on floor Degree；

For above-mentioned influence factor that may be present, the shadow of each factor PARA FORMALDEHYDE PRILLS(91,95) evaporation rate how is determined by test Ring? how true indoor environment is preferably simulated, and the process for accelerating test is urgent problem, and true by test It is fixed the factor for ringing floor evaporation rate, and its influences situation.

Summary of the invention

It is insufficient that the present invention overcomes the above-mentioned prior arts, provides a kind of chamber for simulating underground heat, to solve how The problem of preferably simulating true indoor environment and determining the influence situation of each factor PARA FORMALDEHYDE PRILLS(91,95) evaporation rate, and on floor When installation is laid with, skilled worker is instructed to control relevant influence factor in the reasonable scope, to slow down waving for the organic gas such as formaldehyde Speed is sent out, to reduce the content of formaldehyde in indoor air to greatest extent, reduces pernicious gas in suction body to greatest extent Amount.

Technical solution of the present invention:

It is a kind of simulate underground heat chamber, including vibration device, hot tank, filter shake spring, chamber, connecting elements, limit Position frame and sampler；The vibration device upper end is provided with ground hot tank, and ground hot tank is connected with vibration device by filter shake spring, The upper end of ground hot tank is provided with chamber, and chamber is connected with ground hot tank by connecting elements, and chamber is movably arranged on limit In frame, multiple samplers are provided on the side wall of chamber；

Chamber include bottomless box, first area, second area, third region, the fourth region, mobile limiter, Fixed limiting device and cover board；The upper end of ground hot tank, bottomless box are arranged in by connecting elements for the bottom of the bottomless box It can be relatively rotated with ground hot tank by connecting elements, bottomless box is divided into four regions by partition, and respectively first The bottom of region, second area, third region and the fourth region, the first area and the fourth region is equipped with big floorboard, The bottom in the second area and third region is equipped with small floorboard, the lower end surface and ground of the big floorboard and small floorboard The upper surface of hot tank leans, and the activity limit dress of adjustable limit displacement is provided in the first area and second area It sets, the fixation limiting device of unadjustable limit displacement, mobile limiter is provided in the third region and the fourth region It leans with the lower end of fixed limiting device with floorboard, the other end is arranged on the cover board of bottomless box, and vibration device can band Floorboard vibration in dynamic bottomless box, simulation people walk deformation caused by the tension that plate generates over the ground on floor, simultaneously Simulate the air flowing on true indoor floor surface.

Preferably, the vibration device includes roll shaft, the first disk, the second disk, pin rod, vibrating bin, triangle roller, transmission Bar, motor and limit plate；The both ends Parallel Symmetric of the roll shaft is provided with the first disk, is provided between roll shaft and the first disk Second disk, the second disk are fixedly connected with roll shaft and the first disk respectively by pin rod, and two pin rods are arranged in the second disk Both ends, and the centroid about the second disk is centrosymmetric, and the first disk is rotatably arranged on the interior of vibrating bin by shaft Portion, two triangles roll out on the vibration chamber interior wall for the top that row is rotatably arranged on roll shaft, and one end of triangle roller is set by drive rod Set on the pin rod between roll shaft and the second disk, the other end of triangle roller by drive rod be arranged another second disk with On the pin rod of first disk, vibration box outer wall is provided with motor, and the output end of motor is connected with shaft, triangle roller and ground hot tank phase Against the lateral wall Parallel Symmetric of vibrating bin is provided with limit plate, and ground hot tank is movably arranged between two limit plates.

Preferably, the underground heat case includes underground heat cabinet, slider box, heat transfer layer, heating dish, heat insulating reflecting layer and sealing Plate；It is opened on the parallel side wall of the underground heat cabinet there are two symmetrical sliding slot, sliding is provided with slider box respectively on symmetrical sliding slot, on It is provided with heat transfer layer in the slider box at end, heating dish is provided in the slider box of lower end, and on the slider box lateral wall of lower end It is provided with circular through hole and strip through-hole, the inner sidewall bottom of underground heat cabinet is equipped with heat insulating reflecting layer, heat transfer layer and bottomless box Interior floorboard leans, and sealing plate is bolted on the parallel side wall of underground heat cabinet, is provided on sealing plate round logical Hole and strip through-hole, and on slider box lateral wall circular through hole and strip through-hole case it is corresponding.

Preferably, the connecting elements includes arc-shaped limit piece, arc-shaped limit item, the first arc-like sheet and the second arc-like sheet； The arc-shaped limit piece is symmetricly set on the outer wall upper end of underground heat cabinet, and arc-shaped limit piece upper end is provided with arc-shaped limit item, the One arc-like sheet is symmetricly set on the lateral wall lower end of bottomless box, and the second arc-like sheet of Parallel Symmetric setting is slidably arranged in first Between arc-like sheet, the first arc-like sheet is bolted with arc-shaped limit piece, outer wall and the arc-shaped limit item of the first arc-like sheet Inner wall leans.

Preferably, a parallel side wall lower end of the bottomless box is provided with groove, and sampler inlet end is across no under casing The side wall setting of body is again in bottomless box.

Preferably, the inner sidewall of first arc-like sheet is provided with T-type sliding slot, and it is sliding that the side wall of the second arc-like sheet is provided with T-type Item, Parallel Symmetric setting T-type draw runner are slidably arranged in T-type sliding slot, and arc-shaped limit on piece is symmetrically provided with through-hole, the first arc-like sheet It is logical by passing through with through-hole corresponding with arc-shaped limit piece, arc-shaped limit piece and the first arc-like sheet is provided on the second arc-like sheet The bolt in hole is connected, and the second arc-like sheet front end is provided with blend stop, and blend stop is arranged in the groove of bottomless box lower end, is resisted against nothing The first arc-like sheet and the second arc-like sheet of under casing body sidewall surround circle, the internal diameter phase of the circular radius and arc-shaped limit item Together.

Preferably, the sampler includes probe tube, sampling cylinder, gag lever post, reset spring, plugging sheet, limit film And sampler barrel；The probe tube side wall is provided with air inlet, and the sampling cylinder outer wall is provided with external screw thread, samples cylinder side wall one End is connected with probe tube, and sampling cylinder inner wall is provided with gag lever post and reset spring, and one end of reset spring is connected with gag lever post, The other end is connected with plugging sheet, and plugging sheet leans with sampling cylinder side wall, and one end of rod piece is connected with limit film, the other end It is connected across gag lever post and reset spring with plugging sheet, front end and the probe tube of sampler barrel are connected through a screw thread.

A kind of operating method of chamber that simulating underground heat, comprising the following steps:

The vibration device for being equipped with ground hot tank is fixed on level ground by step 1；

Step 2, by the first area of practical interior space floor measurements and simulation, second area, third region, the 4th The ratio of the bed-plate dimension in region makes large and small floorboard, by big floorboard according to the bottom surface ruler in first area, the fourth region Two parts of very little mosaic splicing, by small floorboard according to two parts of bed-plate dimension mosaic splicing in second area, third region；

Step 3 pulls out slider box, heat transfer layer and heating dish is placed in slider box, and by the heating tube of heating dish Water inlet end and water outlet are each passed through sealing plate circular through hole corresponding with slider box and strip through-hole, and by water inlet end and go out Water end (W.E.) water pipe is connected with circulating pump and heating water tank, and slider box is promoted in symmetrical sliding slot, and sealing plate is fixed with bolt On the parallel side wall of underground heat cabinet；

Bottomless box is placed the upper end of underground heat cabinet by step 4, makes upper surface and the first arc-like sheet of arc-shaped limit piece Lower end surface lean, and the inner sidewall case of the lateral wall of arc-shaped limit piece and 5-2 against, by bolt pass through arc-shaped limit piece With the through-hole on the first arc-like sheet, arc-shaped limit piece and the first arc-like sheet are fixed, by spliced two parts big floorboard along In groove insertion bottomless box, first area and the fourth region that one parallel side wall lower end of bottomless box is provided with, it will splice The groove that is provided with along a parallel side wall lower end of bottomless box of two parts of small floorboards be inserted into second area, third region, will The T-type draw runner of second arc-like sheet side wall is inserted into the T-type sliding slot on the first arc-like sheet, under the side wall for making blend stop insertion bottomless box It holds in the groove being provided with, and leans with the floorboard side wall spliced, the upper side wall and T of T-type sliding slot are then passed through with bolt The realization of type draw runner is fixedly connected with the first arc-like sheet and the second arc-like sheet；

Step 5 by the upper end cap of position-limited rack on bottomless box, and position-limited rack support end is fixed on level ground, Mobile limiter is adjusted, keeps mobile limiter and the limitting casing of fixed limiting device identical apart from the distance of cover board, by two In the corresponding insertion first area of a mobile limiter and second area, by the corresponding insertion third region of two fixed limiting devices In the fourth region, the upper surface of limitting casing and floorboard leans, and cover board is fixed on the upper of bottomless box by locking member The capping to bottomless box is realized at end；

Step 6, starts motor, and the output end of motor drives the first disk, the second disk, pin rod and roll shaft rotation, pin rod By drive rod, triangle roller is driven to be rotated, the both ends of the second disk are arranged in two pin rods, and about the second disk Centroid is centrosymmetric and by the drive rod of isometric setting, and two triangle rollers can be made to rotate synchronously, guarantee the lower end of ground hot tank Face remains that lower end surface is in level under the action of two triangle rollers rotated synchronously, and under the action of spring is shaken in filter Realize it is of reciprocating vibration, vibration make interlocking floorboard it is of reciprocating vibration above and below, and the edge for floorboard splice due to limit The position-limiting action of frame, the floorboard of splicing can generate tension, and tension can make floorboard that extremely small deformation occur, and pass through control The rotational frequency of motor processed, simulation people walk deformation caused by the tension that plate over the ground generates on floor, accelerate air flowing Speed, simulates the air flowing on true indoor floor surface, while accelerating the harmful substance that floor volatilization generates and entering no under casing In vivo；

Step 7 closes motor, by adjusting two mobile limiters, adjusts limitting casing and separates with floorboard, and root Limitting casing is adjusted at a distance from floorboard upper surface according to test, is then tested, can be controlled by being repeated several times in starting motor Motor processed is turned off and on, and is adjusted limitting casing at a distance from floorboard upper end, is obtained multiple test results and analyze and research, Test needs to re-replace each two parts of large and small floorboard of identical mosaic splicing every time, and is inserted into the respective area of bottomless box In domain；

Step 8, closes motor, and sealing plate is unloaded from underground heat cabinet, pulls open sliding by the bolt on rotatory sealing plate The heat transfer layer for the different water cut that frame replacement has produced in advance, or the heating dish that replacement heat supplying pipeline paving mode is different, Slider box is promoted in symmetrical sliding slot, then sealing plate is fixed by bolts on underground heat cabinet, realizes sealing, starting motor carries out Test can replace the heat transfer layer of different water cut, or replacement heating tube by the way that being turned off and on for control motor is repeated several times The different heating dish of road paving mode, obtains multiple test results, and carrying out analysis and research influences the parameter of test, and test needs every time Each two parts of large and small floorboard of identical mosaic splicing are re-replaced, and are inserted into the corresponding region of bottomless box.

A kind of chamber internal gas detection method, comprising the following steps:

Vibration device is placed on level ground by step 1, and by vibration device, hot tank, filter shake spring, test Case, connecting elements and position-limited rack carry out assembly and connection, and first area, third region, is equipped in the fourth region second area The upper surface of the large and small floorboard of the test of scaled down, limitting casing and floorboard leans, and is accordingly equipped with and contains in slider box The heat transfer layer that water rate is a and the heating dish that heating tube is laid in a ring；

Step 2, adjusting the distance of first area, the limitting casing in second area apart from floorboard upper surface is a certain examination Value is assaied, starts motor, and carry out timing, by 6 hours, motor 1-8 is closed, connects the first arc-like sheet and arc under rotary unloading The cooperation position-limited rack of chamber 4 is rotated by 90 °, at this time the second arc-like sheet and arc-shaped limit piece phase by the bolt of shape limit film clockwise Against blending bolt passes through through-hole and is fixedly connected with the second arc-like sheet with arc-shaped limit piece, restarts motor, small using 6 When, motor is turned off, the bolt of the second arc-like sheet and arc-shaped limit piece is connected under rotary unloading, chamber 4 is rotated clockwise 90 °, the first arc-like sheet leans with arc-shaped limit piece at this time, and blending bolt passes through through-hole for the first arc-like sheet and arc-shaped limit piece It is fixedly connected, repeats aforesaid operations, corotating 4 times, rotate clockwise 90 ° every time, that is, complete an experimental implementation；

Step 3 is completed wait operate, and closes motor, takes 16 sampler barrels to be divided into four groups, every four sampler barrels are corresponding Four sampling cylinders being arranged in a region side walls are connected, the external screw-thread of the front end alignment sampling cylinder of sampler barrel is revolved Turn, after closely connecting, pulls the pull rod of sampler barrel, due to atmospheric pressure effect, plugging sheet is separated with the side wall of sampling cylinder, First area, second area, third region, the gas in the fourth region are drawn into corresponding sampler barrel, and sampling finishes, and uses glue Plug blocks sampler barrel front end, and sampler barrel is carried out label record, to be tested to be detected, i.e. completion primary sample；

Step 4 replaces the heat transfer layer that moisture content in slider box 2-2 is b, is changed without the heating that heating tube is laid in a ring Disk repeats the operation Step 2: three；

Step 5, replacing moisture content in slider box 2-2 is the heat transfer layer of a and the heating dish of the arched laying of heating tube, weight Again Step 2: three operation；

Step 6 replaces the heat transfer layer that moisture content in slider box 2-2 is b, is changed without the heating of the arched laying of heating tube Disk repeats the operation Step 2: three；

Step 7, carry out gas componant detection, by step 3 marked as second area, third region or first Region, the fourth region compare, and take out the sampler barrel to equal height sampling cylinder sampling, will be in the sampler barrel of sampling completion Gas carry out testing inspection, comparative analysis, analysis heat transfer layer moisture content it is identical, be heated situation it is identical, sampling height it is identical, than Distance compared with limitting casing apart from floorboard on the volatile influence in floor, compare first area, second area or third region, The fourth region, analysis heat transfer layer moisture content is identical, and heating tube paving mode is identical, and distance of the limitting casing apart from floorboard is identical, Then the size of floorboard can obtain data to Step 4: five, six compare and analyze to the volatile influence in floor, and with The data comparison that this step 3 obtains, observation rule；

Step 8 carries out gas componant detection, step three and four is compared and analyzed, to equal height, the same area Sampling cylinder sampling sampler barrel in gas carry out testing inspection, comparative analysis, analysis heating tube paving mode it is identical, limit Distance of the position frame apart from floorboard is identical, heat transfer layer moisture content on the volatile influence in floor, then can to step 5 and six into Row comparative analysis obtains data, and the data obtained with step three and four compare, observation rule；

Step 9 carries out gas componant detection, step 3 and five is compared and analyzed, to equal height, the same area The gas of sampler barrel of sampling cylinder sampling carry out detection test, comparative analysis, analysis heat transfer layer moisture content is identical, limitting casing Distance apart from floorboard is identical, and heating tube paving mode is on the volatile influence in floor, and then step 4 and six compares Analysis, obtains data, and the data obtained with step 3 and five compare, observation rule；

Step 10 carries out gas componant detection, can take control variate method, and it is identical to control its dependent variable, to the same area, Gas detection is analyzed in the sampler barrel of the sampling cylinder sampling of different height, and what floor volatility generated in development test case 4 has Evil gas is distributed the situation of change with height, while can draw curve, and whether the distribution of pernicious gas is in uniform known to analysis It is continuously distributed, still there is mutation value, i.e., it is evenly dispersed to be still concentrated mainly on away from a certain height of floorboard.

A kind of chamber limiting device for simulating underground heat, including mobile limiter and fixed limiting device；Described The mobile limiter of adjustable limit displacement is provided in one region and second area, in the third region and the fourth region It is provided with the fixation limiting device of unadjustable limit displacement, the lower end and floorboard of mobile limiter and fixed limiting device It leans, the other end is arranged on the cover board of bottomless box；

The mobile limiter includes active rotating shaft, manual turntable, first gear, ratchet, driven spindle, the second tooth Wheel, screw thread bearing, vernier scale, main scale, sleeve, limitting casing and limit component；One end of active rotating shaft is rotatably arranged on transmission case Inner sidewall on, the other end of active rotating shaft passes through the bearing in cover board, and is connected with manual turntable, the active in transmission case Be provided with first gear and ratchet in shaft, ratchet is located at the lower end of first gear, driven spindle by bearing on cover board and Bearing on transmission case rotates setting, is provided with second gear, first gear and second gear on the driven spindle in transmission case Engagement, the upper end of driven spindle are provided with screw thread bearing, and the outer wall of screw thread bearing is provided with vernier scale, and 0 groove section of main scale is worn It crosses vernier scale to be arranged on the upper surface of cover board, the lower end of driven spindle is provided with sleeve, and the inner wall of screw thread bearing and sleeve is set It is equipped with internal screw thread, the both ends of driven spindle are provided with external screw thread, the external screw thread of driven spindle and the interior spiral shell of screw thread bearing and sleeve Line matches, and the sleeve of driven spindle lower end is connected by rod piece with limitting casing, and limit component is provided on transmission case side wall, limits Position component and ratchet are to cooperation.

The limit component includes l-shaped rod, fixed block, electromagnet, iron block, limited post, connecting rod, compression spring, baffle And limited block)；The l-shaped rod and fixed block are arranged on the side wall of transmission case, and fixed block is provided with the first groove and the second groove, Second groove upper end is provided with through-hole, and the l-shaped rod other end is provided with electromagnet, is provided with iron block, iron block lower end immediately below electromagnet Be provided with limited post and connecting rod, limited post and connecting rod are slidably arranged in respectively in the first groove and through-hole, connecting rod it is another Compression spring and baffle of the one end in the second groove are connected with limited block, and limited block is matched with ratchet, compression spring Both ends are connected with the second groove upper wall and baffle respectively.

Preferably, the fixed limiting device includes fixed link and limitting casing；One end of the fixed link is arranged in cover board Lower end surface on, the other end is connected by symmetrically arranged rod piece with limitting casing.

Preferably, the vernier scale and main scale are provided with scale portion.

Preferably, which is characterized in that label is provided on the manual turntable, around the manual turntable of cover board upper surface It is provided with scale portion.

A kind of adjusting method of chamber limiting device that simulating underground heat, comprising the following steps:

Step 1 is powered to two limit components, and limit component attracts iron block, iron block by connecting rod drive limited block to Upper movement, and then limited block is released to the position-limiting action of ratchet, manual turntable is rotated clockwise, manual turntable passes through active rotating shaft Drive first gear rotation, first gear by driving driven spindle to rotate counterclockwise with the engagement of second gear, due to Driven spindle both ends are provided with identical screw thread, the external screw thread matching thread bearing of driven spindle and the internal screw thread of sleeve, make spiral shell Line bearing and sleeve move down, and since screw thread is all the same therefore move down apart from identical, until the lower end of screw thread bearing with The upper surface of cover board abuts, that is, adjusts for 0 stage, and sleeve moves down the limit for making mobile limiter and fixed limiting device 4-7 Distance of the frame apart from cover board is identical, disconnects the power supply of two limit components；

Step 2 fixes limit for two in the corresponding insertion first area of two mobile limiters and second area In the corresponding insertion third region 4-4 and the fourth region 4-5 of device 4-7, the upper surface of limitting casing and floorboard leans, and passes through lock Cover board is fixed on the upper end of bottomless box by tight part, realizes the capping to bottomless box；

Step 3, according to test demand adjust limitting casing in first area and second area away from floor upper surface away from From that is, there are gap, it is fixed for needing the limitting casing in first area and second area adjusting the distance away from floorboard upper surface When value amm, rotary manual turntable counterclockwise, manual turntable drives first gear to rotate by active rotating shaft, at this time limited block pair The position-limiting action of ratchet can overcome by can be manually rotated manual turntable counterclockwise, and first gear with second gear by engaging Effect drives driven spindle to rotate clockwise, since driven spindle both ends are provided with identical screw thread, the external screw thread of driven spindle The internal screw thread of matching thread bearing and sleeve moves up screw thread bearing and sleeve, due to screw thread it is all the same thus to moving down It is dynamic therefore to adjust vernier scale and move up amm along main scale apart from identical, it can be completed and limitting casing is adjusted away from floorboard upper surface Distance be amm；

Method one: the determination block for being amm by the height made in advance is placed on the upper surface of cover board, and against trip The scale portion of scale, rotary manual turntable counterclockwise make screw thread bearing that vernier scale be driven slowly to move upwards, until the 0 of vernier scale Graduation mark is overlapped with the upper surface of side jacking block, i.e., completion roll adjustment, determination block can be cylindrical body, square, cuboid determination block；

Method two: by the manual turntable that rotates a circle counterclockwise, vernier scale and main scale are observed, and passes through vernier scale and main scale It reads specific climb and is denoted as bmm, label, the setting around the manual turntable of cover board upper surface are provided on manual turntable There is scale portion, the label of manual turntable rotates 40 scales, and the corresponding distance risen of each scale isWant to adjust trip Scale rises amm, the scale of the label rotation of manual turntable are as follows:RotateA scale；

Step 4 starts motor, and the output end of motor drives the first disk 1-2, the second disk, pin rod and roll shaft rotation, Pin rod drives triangle roller to be rotated by drive rod 1-7, and the both ends of the second disk are arranged in two pin rods, and about second The centroid of disk is centrosymmetric, and is connect by the drive rod 1-7 of isometric setting with triangle roller 1-6, can make two triangle rollers It rotates synchronously, guarantees that the lower end surface of ground hot tank under the action of two triangle rollers rotated synchronously, in vibration processes, is protected always Hold lower end surface be in level, and filter shake spring under the action of realize it is of reciprocating vibration, vibration make interlocking floorboard it is reciprocal above and below Vibration belongs to velocity variations process in upper and lower process under the action of triangle roller and filter shake spring, fixed according to newton second Rule, since the effect of external force changes object moving state, the edge for the floorboard spliced is drawn due to the position-limiting action of limitting casing It moves coupled floorboard and makees variable motion, so that the floorboard of splicing is generated tension force effect, tension force effect can be such that floorboard sends out Raw extremely small deformation, and by the rotational frequency of control motor, simulation people walk that plate over the ground generates on floor Deformation caused by power, while accelerating speed air flow, overcoming does not have the problem of air flowing under air-proof condition, sufficiently simulate The air flowing on true indoor floor surface, while accelerating the harmful substance that floor volatilization generates and entering in bottomless box, due to Limited block is to the position-limiting action of ratchet, and in vibration processes, first gear is driven by limiting with the engagement of second gear Shaft rotation, rotate screw thread bearing and sleeve cannot relative to driven spindle, guarantee limitting casing at a distance from floorboard not Become；

Step 5 closes motor, by adjusting two mobile limiters in first area and second area, according to test Limitting casing is adjusted at a distance from floorboard upper surface, then restarts motor and is tested, motor can be controlled by being repeated several times Be turned off and on, the corresponding limitting casing that adjusts obtains multiple test results with floorboard upper end at a distance from, can by first area with Floorboard volatilization harmful substance is depicted as full curve away from the relationship of floorboard upper surface distance with limitting casing in second area, and Two curves are compared analysis.

The invention has the benefit that

(1) by the way that the vibration device for being equipped with ground hot tank to be fixed on level ground, it is ensured that ground hot tank and chamber Vibration be stationary vibration, driven by chamber and be laid on the ground in first area, second area, third region and the fourth region Plate stationary vibration up and down, the output end of motor drive the first disk, the second disk, pin rod and roll shaft rotation, pin rod to pass through biography Lever drives triangle roller to be rotated, and the both ends of the second disk are arranged in two pin rods, and the centroid about the second disk is in Central symmetry, and connect by the drive rod of isometric setting with triangle roller, two triangle rollers can be made to rotate synchronously, guarantee ground hot tank Lower end surface two rotate synchronously triangle roller under the action of, in vibration processes, remain lower end surface be in level, and Filter shake spring under the action of realize it is of reciprocating vibration, vibration make interlocking floorboard it is of reciprocating vibration above and below, triangle roller and filter shake Under the action of spring, velocity variations process is belonged in upper and lower process, according to Newton's second law, since the effect of external force changes Become object moving state, the edge for the floorboard spliced pulls coupled floorboard due to the position-limiting action of limitting casing To make variable motion, the floorboard of splicing is made to generate tension force effect, tension force effect can make floorboard that extremely small deformation occur, and By controlling the rotational frequency of motor, simulation people walks deformation caused by the tension that plate over the ground generates on floor, simultaneously plus Fast speed air flow, overcoming does not have the problem of air flowing under air-proof condition, sufficiently simulates true indoor floor surface Air flowing, while accelerating the harmful substance that floor volatilization generates and entering in bottomless box.

(2) first area, second area, the third region, the fourth region of practical interior space floor measurements and simulation are pressed The ratio of bed-plate dimension make large and small floorboard, big floorboard is inlayed according to the bed-plate dimension in first area, the fourth region Embedding two parts of splicing, by small floorboard according to two parts of bed-plate dimension mosaic splicing in second area, third region, first area and The bottom of the fourth region is equipped with big floorboard, and the bottom in the second area and third region is equipped with small floorboard, described The lower end surface of big floorboard and small floorboard and the upper surface of ground hot tank lean, and pass through the ruler for the floorboard that each region is arranged Very little difference plays preferably simulation effect, while effectively combining control variate method to each factor to the evaporation rate of floorboard Influence.

(3) upper end of ground hot tank is arranged in by connecting elements for the bottom of bottomless box, and bottomless box passes through connecting elements It can relatively rotate with ground hot tank, the thermal loss as caused by the heat transfer process of ground hot tank, the water inlet of heating tube Temperature is higher than water outlet, and it is even to will lead to four regions first area, second area, third region and the fourth region uneven heating, The influence that each factor generates the evaporation rate of floorboard cannot be studied by control variate method, can be made by connecting elements With, Control experiment case is rotated around ground hot tank, and so that the position in each region is generated rotation, by controlling the time of rotation, Rotation keeps the heating state in each region identical, reaches the identical effect of heated condition, effectively combines control variate method pair Influence of each factor to the evaporation rate of floorboard.

(4) slider box is controlled, the multiple heat transfer layers and heating dish made gradually are placed in slider box, it can be achieved that more Secondary replacement heat transfer layer and heating dish, can be studied by control variate method, the moisture content of heat transfer layer and the paving mode of heating tube It is had an impact to floor evaporation rate.

(5) gas componant detection is carried out, the sampler barrel to equal height sampling cylinder sampling is taken out, is taken what sampling was completed Gas in sample cylinder carries out testing inspection, comparative analysis, can analyze that heat transfer layer moisture content is identical, and situation of being heated is identical, and sampling is high It spends identical, compares influence of distance of the limitting casing apart from floorboard to floor evaporation rate, it is identical to analyze heat transfer layer moisture content, Heating tube paving mode is identical, and the distance apart from floorboard is identical, influence of the size of floorboard to floor evaporation rate, can be right Equal height, the same area gas carry out testing inspection twice, can comparative analysis, analysis heating tube paving mode it is identical, limit Distance of the position frame apart from floorboard is identical, and influence of the heat transfer layer moisture content to floor evaporation rate can be to equal height, same area Domain, heat transfer layer moisture content is identical, and distance of the limitting casing apart from floorboard is identical, and heating tube paving mode is to floor evaporation rate It influences, can also take control variate method, it is identical to control its dependent variable, and to the same area, the gas detection of different height is analyzed, and grinds The pernicious gas distribution of volatility generation in floor in chamber is studied carefully with the situation of change of height, while can draw curve, is analyzed Whether the distribution for knowing pernicious gas is in uniformly continuous distribution, still there is mutation value, i.e., evenly dispersed to be still concentrated mainly on At a certain height of floorboard.

(6) distance of the limitting casing away from floor upper surface in first area and second area is adjusted according to test demand, i.e., There are gaps, since driven spindle both ends are provided with identical screw thread, the external screw thread matching thread bearing and sleeve of driven spindle Internal screw thread, the distance moment that screw thread bearing and sleeve move up or down is identical, thus adjust vernier scale along main scale to Above or distance is moved down it can be learnt that the distance that limitting casing moves up；

Distance method one of the limitting casing apart from floor upper surface: the determination block for being amm by the height made in advance is measured, It is placed on the upper end of cover board, and abuts the scale portion of vernier scale, rotary manual turntable counterclockwise makes screw thread bearing drive vernier Ruler slowly moves upwards, until 0 graduation mark of vernier scale is overlapped with the upper surface of side jacking block, determination block can be cylindrical body, just Cube, cuboid determination block can quick and precisely adjust required distance value；

Measure distance method two of the limitting casing apart from floor upper surface: by the manual turntable that rotates a circle counterclockwise, observation Vernier scale and main scale, and specific climb is read by vernier scale and main scale and is denoted as bmm, mark is provided on manual turntable Remember, is provided with scale portion around the manual turntable of cover board upper surface, the label of manual turntable rotates 40 scales, each scale Corresponding to the distance risen isThe label for wanting to adjust vernier scale rising amm, manual turntable 4-6-2 rotates:RotateA scale, it is fast not need prior efficiency test, can be to required by simple computation Distance is adjusted.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of chamber for simulating underground heat of the present invention；

Fig. 2 is the combination top view of bottomless box, mobile limiter and fixed limiting device；

Fig. 3 is the main view of bottomless box, mobile limiter combination；

Fig. 4 is the main view of bottomless box, fixed limiting device combination；

Fig. 5 is the section main view of vibration device；

Fig. 6 is the internal structure top view of vibrating bin；

Fig. 7 is the connection schematic diagram of roll shaft, the first disk, the second disk and pin rod；

Fig. 8 is the combination diagram of connecting elements and ground hot tank；

Fig. 9 is the combination diagram of underground heat cabinet, limitting casing and heat insulating reflecting layer；

Figure 10 is the section schematic diagram that underground heat cabinet, slider box, heat transfer layer, heating dish and heat insulating reflecting layer combine；

Figure 11 is the top view for the heating dish being laid in a ring；

Figure 12 is the top view of the heating dish of arched laying；

Figure 13 is the schematic diagram that connecting elements is not fully connected with bottomless box；

Figure 14 is the schematic diagram that connecting elements is not fully connected with bottomless box；

Figure 15 is the connection relationship diagram of arc-shaped limit piece, arc-shaped limit item, the first arc-like sheet and the second arc-like sheet；

Figure 16 is the schematic diagram in the groove of the second arc-like sheet insertion bottomless box；

Figure 17 is the structural schematic diagram of mobile limiter；

Figure 18 is the structure top view of cover board upper surface；

Figure 19 is the structural schematic diagram of limit component；

Figure 20 is the structural schematic diagram of fixed limiting device；

Figure 21 is the combination diagram of vernier scale and main scale；

Figure 22 is that sampler is structural schematic diagram.

In figure: 1- vibration device, 1-1 roll shaft, the first disk of 1-2-, the second disk of 1-3-, 1-4- pin rod, 1-5- vibration Case, 1-6- triangle roller, 1-7- drive rod, 1-8- motor, 1-9- limit plate, 2- hot tank, 2-1- underground heat cabinet, 2-2- sliding Frame, 2-3- heat transfer layer, 2-4- heating dish, 2-5- heat insulating reflecting layer, 2-6- sealing plate, 3- filter shake spring, 4- chamber, 4-1- without Under casing body, the first area 4-2-, 4-3- second area, 4-4- third region, 4-5- the fourth region, 4-6- mobile limiter, 4-6-1- active rotating shaft, 4-6-2- manual turntable, 4-6-3- first gear, 4-6-4- ratchet, 4-6-5- driven spindle, 4-6-6- Second gear, 4-6-7- screw thread bearing, 4-6-8- vernier scale, 4-6-9- main scale, 4-6-10- sleeve, 4-6-11- limitting casing, 4- 6-12-- limit component, 4-6-13-L type bar, 4-6-14- fixed block, the first groove of 4-6-15-, the second groove of 4-6-16-, 4- 6-17- electromagnet, 4-6-18- iron block, 4-6-19- limited post, 4-6-20- connecting rod, 4-6-21- compression spring, 4-6-22- gear Piece, 4-6-23- limited block, 4-7- fixed limiting device, 4-8- cover board, 5- connecting elements, 5-1- arc-shaped limit piece, 5-2- arc Positive stop strip, the first arc-like sheet of 5-3-, 5-3-1-T type sliding slot, the second arc-like sheet of 5-4-, 5-4-1-T type draw runner, 5-4-2- blend stop, 6- position-limited rack, 7- sampler, 7-1- probe tube, 7-2- sampling cylinder, 7-3- gag lever post, 7-4- reset spring, 7-5- are blocked Piece, 7-6- limit film, 7-7- sampler barrel.

Specific embodiment

Below with reference to attached drawing, the present invention is described in detail:

Specific embodiment one

As shown in Figures 1 to 4, a kind of chamber for simulating underground heat disclosed in the present embodiment, including vibration device 1, underground heat Case 2, filter shake spring 3, chamber 4, connecting elements 5, position-limited rack 6 and sampler 7；1 upper end of vibration device is provided with ground Hot tank 2, ground hot tank 2 are connected with vibration device 1 by filter shake spring 3, and the upper end of ground hot tank 2 is provided with chamber 4, chamber 4 It is connected with ground hot tank 2 by connecting elements 5, chamber 4 is movably arranged in position-limited rack 6, is provided on the side wall of chamber 4 more A sampler 7；

Chamber 4 includes bottomless box 4-1, first area 4-2, second area 4-3, third region 4-4, the fourth region 4- 5, mobile limiter 4-6, fixed limiting device 4-7 and cover board 4-8；The bottom of the bottomless box 4-1 passes through connecting elements The upper end of ground hot tank 2 is set, and bottomless box 4-1 can be relatively rotated by connecting elements 5 with ground hot tank 2, bottomless box 4-1 is divided into four regions, respectively first area 4-2, second area 4-3, third region 4-4 and the fourth region by partition The bottom of 4-5, the first area 4-2 and the fourth region 4-5 are equipped with big floorboard, the second area 4-3 and third area The bottom of domain 4-4 is equipped with small floorboard, and the upper surface of the lower end surface and ground hot tank 2 of the big floorboard and small floorboard offsets It leans on, is provided with the mobile limiter 4-6 of adjustable limit displacement in the first area 4-2 and second area 4-3, described the The fixation limiting device 4-7 of unadjustable limit displacement, mobile limiter are provided in three region 4-4 and the fourth region 4-5 The lower end of 4-6 and fixed limiting device 4-7 lean with floorboard, and the other end is arranged on the cover board 4-8 of bottomless box 4-1, Vibration device 1 can drive the floorboard in bottomless box 4-1 to vibrate, and simulation people walks the tension that plate over the ground generates on floor Caused deformation, while simulating the air flowing on true indoor floor surface；

The vibration device 1 for being equipped with ground hot tank 2 is fixed on level ground, it is therefore intended that guarantee ground hot tank 2 and test Whole of case 4 is stationary vibration, is laid on first area 4-2, second area 4-3, third region 4-4 by the drive of chamber 4 Pass through mobile limiter 4-6, fixed limit with the floorboard of stationary vibration above and below the floorboard of the fourth region 4-5, stationary vibration The position-limiting action of position device 4-7 cooperates upper and lower smoothly vibration, since floorboard inlays connection, is not affected by the floorboard of limitation By the effect of the power of adjacent floorboard drive thereon, lower movement, simulation people walks that plate over the ground generates on floor Deformation caused by power, floorboard by the effect drive of the power of adjacent floorboard thereon, lower movement, while air can be increased Flowing velocity, to simulate the air flowing on true indoor floor surface, the organic gas such as formaldehyde for generating floor volatilization enter Above the floorboard in a region；

By the upper end cap of position-limited rack 6 on bottomless box 4-1, and 6 support end of position-limited rack is fixed on level ground, is adjusted Mobile limiter 4-6 is saved, makes the limitting casing 4-6-11 of mobile limiter 4-6 and fixed limiting device 4-7 apart from cover board 4-8 Distance it is identical, by the corresponding insertion first area 4-2 and second area 4-3 of two mobile limiter 4-6, by two fixations In the corresponding insertion third region 4-4 and the fourth region 4-5 of limiting device 4-7, the upper surface phase of limitting casing 4-6-11 and floorboard Against cover board 4-8 to be fixed on to the upper end of bottomless box 4-1 by locking member, realizes the capping to bottomless box 4-1；

The upper end of ground hot tank 2 is arranged in by connecting elements for the bottom of bottomless box 4-1, and bottomless box 4-1 passes through connection Component 5 can relatively rotate with ground hot tank 2, it is therefore intended that the heat transfer process of ground hot tank 2, the temperature of the water inlet of heating tube Higher than water outlet, it is heated to will lead to four regions first area 4-2, second area 4-3, third region 4-4 and the fourth region 4-5 Unevenly, the influence that each factor generates the volatility of floorboard cannot be studied by control variate method, can make 4 by 5 It is rotated around 2, the position in each region is made to generate rotation, by controlling the time of rotation, rotation makes adding for each region Enthusiastic condition is identical, can effectively combine influence of the control variate method to each factor to the evaporation rate of floorboard；

By practical interior space floor measurements and the first area 4-2 of simulation, second area 4-3, third region 4-4, The ratio of the bed-plate dimension of four region 4-5 makes large and small floorboard, by big floorboard according to first area 4-2, the fourth region 4- Two parts of bed-plate dimension mosaic splicing in 5 inlays small floorboard according to the bed-plate dimension in second area 4-3, third region 4-4 The bottom of embedding two parts of splicing, first area 4-2 and the fourth region 4-5 are equipped with big floorboard, the second area 4-3 and third The bottom of region 4-4 is equipped with small floorboard, the lower end surface and the upper surface phase of ground hot tank 2 of the big floorboard and small floorboard Against, the size for the floorboard being arranged by each region is different, it is more preferable effectively combine control variate method to each factor over the ground Volatile influence of plate, while noticing that test every time needs to re-replace the large and small floorboard each two of identical mosaic splicing Part, and be inserted into the corresponding region of bottomless box 4-1.

Specific embodiment two

In conjunction with shown in Fig. 6-9, the present embodiment is on the basis of specific embodiment one, and difference is, the vibration dress Set 1 include roll shaft 1-1, the first disk 1-2, the second disk 1-3, pin rod 1-4, vibrating bin 1-5, triangle roller 1-6, drive rod 1-7, Motor 1-8 and limit plate 1-9；The both ends Parallel Symmetric of the roll shaft 1-1 is provided with the first disk 1-2, the circle of roll shaft 1-1 and first The second disk 1-3, the second disk 1-3 is provided between piece 1-2 to fix with roll shaft 1-1 and the first disk 1-2 respectively by pin rod Connection, the both ends of the second disk 1-3 are arranged in two pin rod 1-4, and the centroid about the second disk 1-3 is centrosymmetric, First disk 1-2 is rotatably arranged on the inside of vibrating bin 1-5 by shaft, and two triangle roller 1-6 parallel rotations are arranged in roll shaft On the vibrating bin 1-5 inner wall of the top of 1-1, one end of triangle roller 1-6 is arranged by drive rod 1-7 in the circle of roll shaft 1-1 and second On pin rod 1-4 between piece 1-3, the other end of triangle roller 1-6 by drive rod 1-7 be arranged another the second disk 1-3 with On the pin rod 1-4 of first disk 1-2, vibrating bin 1-5 outer wall is provided with motor 1-8, and the output end of motor 1-8 is connected with shaft, Triangle roller 1-6 leans with ground hot tank 2, and limit plate 1-9 is arranged in the lateral wall Parallel Symmetric of vibrating bin 1-5, and hot tank 2 activity in ground is set It sets between two limit plate 1-9；

Start motor 1-8, the output end of motor 1-8 drives the first disk 1-2, the second disk 1-3, pin rod 1-4 and roll shaft 1-1 rotation, pin rod 1-4 drive triangle roller 1-6 to be rotated by drive rod 1-7, and two pin rod 1-4 are arranged in the second disk 1- 3 both ends, and the centroid about the second disk 1-3 is centrosymmetric, and passes through the drive rod 1-7 of isometric setting and triangle roller 1-6 connection can be such that two triangle roller 1-6 rotate synchronously, and guarantee the triangle roller 1- that the lower end surface of ground hot tank 2 is rotated synchronously at two Under the action of 6, in vibration processes, remain that lower end surface is in level, and reciprocal vibration is realized under the action of spring 3 are shaken in filter Dynamic, vibration keeps the floorboard of interlocking of reciprocating vibration above and below, under the action of triangle roller 1-6 and filter shake spring 3, upper and lower process In belong to velocity variations process, according to Newton's second law, since the effect of external force changes object moving state, spliced The edge of floorboard pulls coupled floorboard to make variable motion due to the position-limiting action of limitting casing 4-6-11, makes to splice Floorboard generate tension force effect, tension force effect can make floorboard that extremely small deformation occur, and pass through control motor 1-8's Rotational frequency, simulation people walk deformation caused by the tension that plate over the ground generates on floor, while accelerating speed air flow, Overcoming does not have the problem of air flowing under air-proof condition, sufficiently simulate the air flowing on true indoor floor surface, add simultaneously The harmful substance that fast floor volatilization generates enters in bottomless box 4-1.

Specific embodiment three

It is on the basis of specific embodiment one in conjunction with Fig. 8-12 the present embodiment, difference is, described ground hot tank 2 includes Underground heat cabinet 2-1, slider box 2-2, heat transfer layer 2-3, heating dish 2-4, heat insulating reflecting layer 2-5 and sealing plate 2-6；Described ground hot tank It is opened on the parallel side wall of body 2-1 there are two symmetrical sliding slot, sliding is provided with slider box 2-2, the cunning of upper end respectively on symmetrical sliding slot It is provided with heat transfer layer 2-3 in dynamic frame 2-2, heating dish 2-4, and the slider box 2-2 of lower end are provided in the slider box 2-2 of lower end Circular through hole and strip through-hole are provided on lateral wall, the inner sidewall bottom of underground heat cabinet 2-1 is equipped with heat insulating reflecting layer 2-5, passes Thermosphere 2-3 leans with the floorboard in bottomless box 4-1, and sealing plate 2-6 is bolted on the parallel of underground heat cabinet 2-1 On side wall, be provided with circular through hole and strip through-hole on sealing plate 2-6, and with the circular through hole and item on slider box 2-2 lateral wall Shape through-hole case is corresponding；

Slider box 2-2 is pulled out, heat transfer layer 2-3 and heating dish 2-4 are placed in slider box 2-2, and by heating dish 2-4's The water inlet end of water pipe and water outlet are each passed through sealing plate 2-6 circular through hole corresponding with slider box 2-2 and strip through-hole, and Water inlet end and water outlet are connected with water pipe with circulating pump and heating water tank, slider box 2-2 is promoted in symmetrical sliding slot, and will be close Sealing plate 2-6 be fixed by bolts on the parallel side wall of underground heat cabinet underground heat cabinet 2-1, it can be achieved that repeatedly replacement heat transfer layer 2-3 and Heating dish 2-4 can be studied by control variate method, and the paving mode of the moisture content of heat transfer layer and heating tube is to influencing to floor Volatility has an impact；

Hot water temperature's control 60 DEG C -70 DEG C between, realize and produce multiple heat transfer layer 2-3, heat transfer layer cement production systD, It is required that it is intact it is secured, smooth, cleaning, no peeling, pit, without polished surface (can detection method for reference be: use coin Or it is intact that key, which scrapes cement flooring without powdery), no paint, grease, glue, wax oil, the fouls such as synthetic of curling, foreign matter, Bonding delamination is prevented, flatness reaches 1 square metre of drop≤2mm, it is necessary to which dry, moisture content is less than 14%；

The paving mode of heating tube in heating dish 2-4 can be used it is a variety of, it is main to be laid with using annular and arch is laid with Mainstream laying method.

Specific embodiment four

It is on the basis of specific embodiment one in conjunction with the present embodiment of Fig. 1,8,13,14,15 and 16, difference is, institute Stating connecting elements 5 includes arc-shaped limit piece 5-1, arc-shaped limit 5-2, the first arc-like sheet 5-3 and the second arc-like sheet 5-4；It is described Arc-shaped limit piece 5-1 is symmetricly set on the outer wall upper end of underground heat cabinet 2-1, and the upper end arc-shaped limit piece 5-1 is provided with arc-shaped limit 5-2, the first arc-like sheet 5-3 are symmetricly set on the lateral wall lower end of bottomless box 4-1, the second arc-like sheet of Parallel Symmetric setting 5-4 is slidably arranged between the first arc-like sheet 5-3, and the first arc-like sheet 5-3 is bolted with arc-shaped limit piece 5-1, and first The outer wall of arc-like sheet 5-3 and the inner wall of arc-shaped limit 5-2 lean；

Adjusting distance of the limitting casing 4-6-11 in first area 4-2, second area 4-3 apart from floorboard upper surface is certain One test definite value, starts motor 1-8, and carry out timing, by 6 hours, closes motor 1-8, connects the first arc under rotary unloading The cooperation position-limited rack 6 of chamber 4 is rotated by 90 °, at this time the second arc-like sheet by the bolt of shape piece 5-3 and arc-shaped limit piece 5-1 clockwise 5-4 leans with arc-shaped limit piece 5-1, and blending bolt passes through through-hole for the fixed company of the second arc-like sheet 5-4 and arc-shaped limit piece 5-1 It connects, restarts motor 1-8, using 6 hours, turn off motor 1-8, the second arc-like sheet 5-4 and arc are connected under rotary unloading Chamber 4 is rotated clockwise 90 ° by the bolt of limit film 5-1, and the first arc-like sheet 5-3 and arc-shaped limit piece 5-1 offsets at this time It leans on, blending bolt passes through through-hole and is fixedly connected with the first arc-like sheet 5-3 with arc-shaped limit piece 5-1, repeats aforesaid operations, corotating 4 times, 90 ° are rotated clockwise every time, that is, complete an experimental implementation, while the time is set as 6 hours, it can be according to specific examination Demand is tested, regulating time length rotates chamber 4, while can make ground hot tank 2 and test by coupling member 5 again Case 4 is with 1 stable vibration of vibration device.

Specific embodiment five

In conjunction with shown in Fig. 1,2,13,16, the present embodiment is on the basis of specific embodiment two, and difference is, described A parallel side wall lower end of bottomless box 4-1 is provided with groove, and 7 inlet end of sampler is arranged across the side wall of bottomless box 4-1 Again in bottomless box 4-1；

The inner sidewall of first arc-like sheet 5-3 is provided with T-type sliding slot 5-3-1, and it is sliding that the side wall of the second arc-like sheet 5-4 is provided with T-type 5-4-1, Parallel Symmetric setting T-type draw runner 5-4-1 is slidably arranged in T-type sliding slot 5-3-1, symmetrical on arc-shaped limit piece 5-1 It is provided with through-hole, is provided with through-hole corresponding with arc-shaped limit piece 5-1, arc on the first arc-like sheet 5-3 and the second arc-like sheet 5-4 Limit film 5-1 and the first arc-like sheet 5-3 is connected by passing through the bolt of through-hole, and the second front end arc-like sheet 5-4 is provided with blend stop 5- 4-2, blend stop 5-4-2 are arranged in the groove of the lower end bottomless box 4-1, are resisted against the first arc-like sheet of bottomless box 4-1 side wall 5-3 and the second arc-like sheet 5-4 surrounds circle, and the circular radius is identical as the internal diameter of arc-shaped limit 5-2；

Spliced two parts big floorboard is inserted into nothing along the groove that a parallel side wall lower end of bottomless box 4-1 is provided with In under casing body 4-1, first area 4-2 and the fourth region 4-5, by spliced two parts of small floorboards along bottomless box 4-1's The groove that one parallel side wall lower end is provided with is inserted into second area 4-3, third region 4-4, by the T-type of the second arc-like sheet 5-4 side wall Draw runner 5-4-1 is inserted into the T-type sliding slot 5-3-1 on the first arc-like sheet 5-3, makes the side wall of blend stop 5-4-2 insertion bottomless box 4-1 It in the groove that lower end is provided with, and leans with the floorboard side wall spliced, then with bolt across the upper of T-type sliding slot 5-3-1 Side wall is fixedly connected with the first arc-like sheet 5-3 and the second arc-like sheet 5-4 with T-type draw runner 5-4-1 realization, circular radius and arc The identical purpose of internal diameter of shape positive stop strip 5-2 is to make to realize the first arc-like sheet 5-3 and the second arc-like sheet 5-4 in arc-shaped limit piece Free smooth rotation between the arc-shaped limit 5-2 of the upper surface 5-1 setting can be rotated by 90 ° every time by rotation 4 times, be each The heating state in region is identical；

Specific embodiment six

In conjunction with shown in Fig. 1,2 and 22, the present embodiment is on the basis of specific embodiment one, and difference is, described to take Sampling device 7 include probe tube 7-1, sampling cylinder 7-2, gag lever post 7-3, reset spring 7-4, plugging sheet 7-5, limit film 7-6 and Sampler barrel 7-7；The probe tube 7-1 side wall is provided with air inlet, and the sampling cylinder 7-2 outer wall is provided with external screw thread, sampling circle Cylinder 7-2 side wall one end is connected with probe tube 7-1, and sampling cylinder 7-2 inner wall is provided with gag lever post 7-3 and reset spring 7-4, resets One end of spring 7-4 is connected with gag lever post 7-3, and the other end is connected with plugging sheet 7-5, plugging sheet 7-5 and the sampling side cylinder 7-2 Wall leans, and one end of rod piece is connected with limit film 7-6, and the other end passes through gag lever post 7-3 and reset spring 7-4 and plugging sheet 7- 5 are connected, and front end and the probe tube 7-1 of sampler barrel 7-7 is connected through a screw thread；

16 sampler barrel 7-7 are taken to be divided into four groups, every four sampler barrel 7-7 correspond to first area 4-2, second area 4- 3, third region 4-4, the sampler 7 being provided on the fourth region 4-5 side wall, by the front end alignment sampling circle of sampler barrel 7-7 The external screw-thread rotation of cylinder 7-2, after closely connecting, pulls the pull rod of sampler barrel, due to atmospheric pressure effect, plugging sheet 7-5 It is separated with the side wall of sampling cylinder 7-2, first area 4-2, second area 4-3, third region 4-4, the gas in the fourth region 4-5 Body enters in corresponding sampler barrel 7-7, and sampling finishes, and is blocked the front end sampler barrel 7-7 with rubber plug, carries out label record, It is to be tested to be detected；

It tests each time and 16 sampler barrel 7-7 is taken to be divided into four groups, repeat aforesaid operations.

Specific embodiment seven

A kind of operating method for the chamber for simulating underground heat, acts on the one of embodiment one to six disclosed in the present embodiment In the chamber of kind simulation underground heat, comprising the following steps:

The vibration device 1 for being equipped with ground hot tank 2 is fixed on level ground by step 1；

Step 2, by practical interior space floor measurements and the first area 4-2 of simulation, second area 4-3, third region The ratio of the bed-plate dimension of 4-4, the fourth region 4-5 makes large and small floorboard, by big floorboard according to first area 4-2, the 4th Two parts of bed-plate dimension mosaic splicing in the 4-5 of region, by small floorboard according to the bottom surface in second area 4-3, third region 4-4 Two parts of size mosaic splicing；

Step 3 pulls out slider box 2-2, heat transfer layer 2-3 and heating dish 2-4 is placed in slider box 2-2, and will heating The water inlet end of the water pipe of disk 2-4 and water outlet are each passed through sealing plate 2-6 circular through hole corresponding with slider box 2-2 and bar shaped Through-hole, and water inlet end and water outlet are connected with water pipe with circulating pump and heating water tank, slider box 2-2 is promoted into symmetrical sliding slot It is interior, and sealing plate 2-6 is fixed by bolts on the parallel side wall of underground heat cabinet underground heat cabinet 2-1；

Bottomless box 4-1 is placed the upper end of underground heat cabinet 2-1 by step 4, makes the upper surface of arc-shaped limit piece 5-1 and the The lower end surface of one arc-like sheet 5-3 leans, and the inner sidewall case of the lateral wall of arc-shaped limit piece 5-1 and 5-2 are against by bolt Through-hole on arc-shaped limit piece 5-1 and the first arc-like sheet 5-3 fixes arc-shaped limit piece 5-1 and the first arc-like sheet 5-3, Spliced two parts big floorboard is inserted into bottomless box 4- along the groove that a parallel side wall lower end of bottomless box 4-1 is provided with 1, in first area 4-2 and the fourth region 4-5, by spliced two parts of small floorboards along a parallel sides of bottomless box 4-1 The groove that wall lower end is provided with is inserted into second area 4-3, third region 4-4, by the T-type draw runner 5-4-1 of the second arc-like sheet 5-4 side wall It is inserted into the T-type sliding slot 5-3-1 on the first arc-like sheet 5-3, is provided with the side wall lower ends of blend stop 5-4-2 insertion bottomless box 4-1 Groove in, and lean with the floorboard side wall spliced, the upper side wall and T-type of T-type sliding slot 5-3-1 then passed through with bolt Draw runner 5-4-1 realization is fixedly connected with the first arc-like sheet 5-3 and the second arc-like sheet 5-4；

Step 5 by the upper end cap of position-limited rack 6 on bottomless box 4-1, and 6 support end of position-limited rack is fixed on horizontally On face, mobile limiter 4-6 is adjusted, makes the limitting casing 4-6-11 distance of mobile limiter 4-6 and fixed limiting device 4-7 The distance of cover board 4-8 is identical, and two mobile limiter 4-6 are corresponded in insertion first area 4-2 and second area 4-3, will In the corresponding insertion third region 4-4 and the fourth region 4-5 of two fixed limiting device 4-7, limitting casing 4-6-11 and floorboard Upper surface leans, and cover board 4-8 is fixed on to the upper end of bottomless box 4-1 by locking member, realizes the envelope to bottomless box 4-1 Lid；

Step 6, starts motor 1-8, and the output end of motor 1-8 drives the first disk 1-2, the second disk 1-3, pin rod 1-4 Rotated with roll shaft 1-1, pin rod 1-4 by drive rod 1-7, drive triangle roller 1-6 to be rotated, two pin rod 1-4 are arranged the The both ends of two disk 1-3, and the centroid about the second disk 1-3 is centrosymmetric and by the drive rod 1-7 of isometric setting, Two triangle roller 1-6 can be made to rotate synchronously, guarantee the effect for the triangle roller 1-6 that the lower end surface of ground hot tank 2 is rotated synchronously at two Under, remain lower end surface be in level, and filter shake spring 3 under the action of realize it is of reciprocating vibration, vibration make interlocking floor Block is of reciprocating vibration above and below, and the edge for the floorboard spliced is due to the position-limiting action of limitting casing 4-6-11, the floor of splicing Block can generate tension, and tension can make floorboard that extremely small deformation occur, and pass through the rotational frequency of control motor 1-8, mould Personification is walked deformation caused by the tension that plate over the ground generates on floor, is accelerated speed air flow, is simulated true indoor ground The air of plate surface flows, while accelerating the harmful substance that floor volatilization generates and entering in bottomless box 4-1；

Step 7 closes motor 1-8, by adjusting two mobile limiter 4-6, adjusts limitting casing 4-6-11 and floor Block separation, and limitting casing 4-6-11 is adjusted at a distance from floorboard upper surface according to test, then tried in starting motor 1-8 It tests, can be by the way that being turned off and on for control motor 1-8 be repeated several times, limitting casing 4-6-11 is at a distance from floorboard upper end for adjusting, It obtains multiple test results to analyze and research, the large and small floorboard that each test needs to re-replace identical mosaic splicing is each Two parts, and be inserted into the corresponding region of bottomless box 4-1；

Step 8, closes motor 1-8, and the bolt on rotatory sealing plate 2-6 unloads sealing plate 2-6 from underground heat cabinet 2-1 Under, pull open the heat transfer layer 2-3 for the different water cut that slider box 2-2 replacement has produced in advance, or replacement heat supplying pipeline laying side The different heating dish 2-4 of formula is promoted in symmetrical sliding slot by slider box 2-2, then sealing plate 2-6 is fixed by bolts to ground hot tank On body 2-1, sealing is realized, starting motor 1-8 is tested, can be by the way that being turned off and on for control motor 1-8 is repeated several times, more The heat transfer layer 2-3 of different water cut, or the heating dish 2-4 that replacement heat supplying pipeline paving mode is different are changed, multiple tests are obtained As a result, carrying out analysis and research influences the parameter of test, test needs to re-replace the large and small floorboard of identical mosaic splicing every time Each two parts, and be inserted into the corresponding region of bottomless box 4-1.

Specific embodiment eight

A kind of chamber internal gas detection method disclosed in the present embodiment, acts on embodiment one to six, including with Lower step:

Vibration device 1 is placed on level ground by step 1, and by vibration device 1, hot tank 2, filter shake spring 3, examination Tryoff 4, connecting elements 5 and position-limited rack 6 carry out assembly and connection, first area 4-2, second area 4-3, third region 4-4, the 4th The large and small floorboard of test of scaled down, the upper surface phase of limitting casing 4-6-11 and floorboard are equipped in the 4-5 of region Against the heating dish 2-4 being accordingly laid in a ring equipped with heat transfer layer 2-3 and heating tube that moisture content is a in slider box 2-2；

Step 2 adjusts the limitting casing 4-6-11 in first area 4-2, second area 4-3 apart from floorboard upper surface Distance is a certain test definite value, starts motor 1-8, and carry out timing, by 6 hours, closes motor 1-8, connects under rotary unloading The bolt of the first arc-like sheet 5-3 and arc-shaped limit piece 5-1 are connect, is clockwise rotated by 90 ° the cooperation position-limited rack 6 of chamber 4, at this time the Two arc-like sheet 5-4 lean with arc-shaped limit piece 5-1, and blending bolt passes through through-hole for the second arc-like sheet 5-4 and arc-shaped limit piece 5-1 is fixedly connected, and restarts motor 1-8, using 6 hours, turns off motor 1-8, the second arc-like sheet is connected under rotary unloading Chamber 4 is rotated clockwise 90 ° by the bolt of 5-4 and arc-shaped limit piece 5-1, at this time the first arc-like sheet 5-3 and arc-shaped limit piece 5-1 leans, and blending bolt passes through through-hole and is fixedly connected with the first arc-like sheet 5-3 with arc-shaped limit piece 5-1, repeats above-mentioned behaviour Make, corotating 4 times, rotate clockwise 90 ° every time, that is, completes an experimental implementation；

Step 3 is completed wait operate, and closes motor 1-8, takes 16 sampler barrel 7-7 to be divided into four groups, every four samplings Cylinder 7-7 is correspondingly connected with four sampling cylinder 7-2 being arranged in a region side walls, by the front end alignment sampling circle of sampler barrel 7-7 The external screw-thread rotation of cylinder 7-2 pulls the pull rod of sampler barrel 7-7, due to atmospheric pressure effect, plugging sheet after closely connecting 7-5 is separated with the side wall of sampling cylinder 7-2, first area 4-2, second area 4-3, third region 4-4, in the fourth region 4-5 Gas be drawn into corresponding sampler barrel 7-7, sampling finishes, and is blocked the front end sampler barrel 7-7 with rubber plug, by sampler barrel 7-7 carries out label record, to be tested to be detected, i.e. completion primary sample；

Step 4 replaces the heat transfer layer 2-3 that moisture content in slider box 2-2 is b, it is being changed without that heating tube is laid in a ring plus Hot plate 2-4 repeats the operation Step 2: three；

Step 5, replacing moisture content in slider box 2-2 is the heat transfer layer 2-3 of a and the heating dish of the arched laying of heating tube 2-4 repeats the operation Step 2: three；

Step 6 replaces the heat transfer layer 2-3 that moisture content in slider box 2-2 is b, is changed without adding for the arched laying of heating tube Hot plate 2-4 repeats the operation Step 2: three；

Step 7 carries out gas componant detection, by step 3 marked as second area 4-3, third region 4-4 or Person first area 4-2, the fourth region 4-5 are compared, and take out the sampler barrel 7-7 to equal height sampling cylinder 7-2 sampling, will It samples the gas in the sampler barrel 7-7 completed and carries out testing inspection, comparative analysis, analysis heat transfer layer 2-3 moisture content is identical, is heated Situation is identical, and sampling height is identical, compares distance of the limitting casing 4-6-11 apart from floorboard to the volatile influence in floor, compares First area 4-2, second area 4-3 or third region 4-4, the fourth region 4-5, analysis heat transfer layer 2-3 moisture content is identical, adds Heat pipe paving mode is identical, and distance of the limitting casing 4-6-11 apart from floorboard is identical, and the size of floorboard is to floor evaporation rate Influence, then can obtain data, and the data pair obtained with this step 3 to Step 4: five, six compare and analyze Than observation rule；

Step 8 carries out gas componant detection, step three and four is compared and analyzed, to equal height, the same area Sampling cylinder 7-2 sampling sampler barrel 7-7 in gas carry out testing inspection, comparative analysis, analyze heating tube paving mode Identical, distance of the limitting casing 4-6-11 apart from floorboard is identical, and heat transfer layer 2-3 moisture content is on the volatile influence in floor, then Step 5 and six can be compared and analyzed, obtain data, and the data obtained with step three and four compare, observation rule Rule；

Step 9 carries out gas componant detection, step 3 and five is compared and analyzed, to equal height, the same area The gas of sampler barrel 7-7 of sampling cylinder 7-2 sampling carry out detection test, heat transfer layer 2-3 moisture content phase is analyzed in comparative analysis Together, distance of the limitting casing 4-6-11 apart from floorboard is identical, then influence of the heating tube paving mode to floor evaporation rate walks Rapid four and six compare and analyze, and obtain data, and the data obtained with step 3 and five compare, observation rule；

Step 10 carries out gas componant detection, can take control variate method, and it is identical to control its dependent variable, to the same area, Gas detection is analyzed in the sampler barrel 7-7 of the sampling cylinder 7-2 sampling of different height, and floor volatility produces in development test case 4 Raw pernicious gas is distributed the situation of change with height, while can draw curve, and whether the distribution of pernicious gas known to analysis It is distributed in uniformly continuous, still there is mutation value, i.e., it is evenly dispersed to be still concentrated mainly on away from a certain height of floorboard.

Specific embodiment nine

In conjunction with shown in Figure 17,18,19 and 21, a kind of chamber limiting device for simulating underground heat disclosed in the present embodiment, It is characterised in that it includes mobile limiter 4-6 and fixed limiting device 4-7；The first area 4-2 and second area 4-3 It is inside provided in the mobile limiter 4-6, the third region 4-4 and the fourth region 4-5 of adjustable limit displacement and is provided with Fixation the limiting device 4-7, mobile limiter 4-6 of unadjustable limit displacement and the lower end and ground of fixed limiting device 4-7 Plate leans, and the other end is arranged on the cover board 4-8 of bottomless box 4-1；

The mobile limiter 4-6 includes active rotating shaft 4-6-1, manual turntable 4-6-2, first gear 4-6-3, ratchet 4-6-4, driven spindle 4-6-5, second gear 4-6-6, screw thread bearing 4-6-7, vernier scale 4-6-8, main scale 4-6-9, sleeve 4- 6-10, limitting casing 4-6-11 and limit component 4-6-12；One end of active rotating shaft 4-6-1 is rotatably arranged on the interior of transmission case 4-9 On side wall, the other end of active rotating shaft 4-6-1 passes through the bearing in cover board 4-8, and is connected with manual turntable 4-6-2, is driven First gear 4-6-3 and ratchet 4-6-4 are provided on active rotating shaft 4-6-1 in case 4-9, ratchet 4-6-4 is located at first gear The lower end of 4-6-3, driven spindle 4-6-5 rotate setting, transmission by the bearing on the bearing and transmission case 4-9 on cover board 4-8 Second gear 4-6-6 is provided on driven spindle 4-6-5 in case 4-9, first gear 4-6-3 is engaged with second gear 4-6-6, The upper end of driven spindle 4-6-5 is provided with screw thread bearing 4-6-7, and the outer wall of screw thread bearing 4-6-7 is provided with vernier scale 4-6-8, The 0 groove section of main scale 4-6-9 passes through vernier scale and is arranged on the upper surface of cover board 4-8, and the lower end of driven spindle 4-6-5 is provided with The inner wall of sleeve 4-6-10, screw thread bearing 4-6-7 and sleeve 4-6-10 are provided with internal screw thread, and the both ends of driven spindle 4-6-5 are set It is equipped with external screw thread, the external screw thread of driven spindle 4-6-5 is matched with the internal screw thread of screw thread bearing 4-6-7 and sleeve 4-6-10, from The sleeve 4-6-10 of the lower end turn axis 4-6-5 is connected by rod piece with limitting casing 4-6-11, is arranged on transmission case 4-9 side wall limited Position component 4-6-12, limit component 4-6-12 and ratchet 4-6-4 are to cooperation.

The limit component 4-6-12 includes l-shaped rod 4-6-13, fixed block 4-6-14, electromagnet 4-6-17, iron block 4-6- 18, limited post 4-6-19, connecting rod 4-6-20, compression spring 4-6-21, baffle 4-6-22 and limited block limited block 4-6-23；Institute It states l-shaped rod 4-6-13 and fixed block 4-6-14 is arranged on the side wall of transmission case 4-9, fixed block 4-6-14 is provided with the first groove 4- 6-15 and the second groove 4-6-16, the second upper end groove 4-6-16 are provided with through-hole, and the l-shaped rod 4-6-13 other end is provided with electromagnet Be provided with iron block 4-6-18 immediately below 4-6-17, electromagnet 4-6-17, the lower end iron block 4-6-18 be provided with limited post 4-6-19 and Connecting rod 4-6-20, limited post 4-6-19 and connecting rod 4-6-20 are slidably arranged in respectively in the first groove 4-6-15 and through-hole, Compression spring 4-6-21 and baffle 4-6-22 and limited block of the other end of connecting rod 4-6-20 in the second groove 4-6-16 4-6-23 be connected, limited block 4-6-23 is matched with ratchet 4-6-4, the both ends of compression spring 4-6-21 respectively with the second groove 4- 6-16 upper wall is connected with baffle 4-6-22；

It is powered to two limit component 4-6-12, limit component 4-6-12 attracts iron block 4-6-18, iron block 4-6-18 to pass through Connecting rod 4-6-20 drives limited block 4-6-23 to move up, and then releases limited block 4-6-23 and make to the limit of ratchet 4-6-4 With rotating clockwise manual turntable 4-6-2, manual turntable 4-6-2 drives first gear 4-6-3 to turn by active rotating shaft 4-6-1 It is dynamic, first gear 4-6-3 by driving driven spindle 4-6-5 to rotate counterclockwise with the engagement of second gear 4-6-6, due to The both ends driven spindle 4-6-5 are provided with identical screw thread, the external screw thread matching thread bearing 4-6-7 and set of driven spindle 4-6-5 The internal screw thread of cylinder 4-6-10, moves down screw thread bearing 4-6-7 and sleeve 4-6-10, due to screw thread it is all the same thus to moving down It is dynamic apart from identical, until the lower end of screw thread bearing 4-6-7 and the upper surface of cover board 4-8 abut, sleeve 4-6-10, which is moved down, to be made Distance of the mobile limiter 4-6 with the limitting casing 4-6-11 of fixed limiting device 4-7 apart from cover board 4-8 is identical, disconnects two The power supply of limit component 4-6-12；

The limitting casing 4-6-11 in first area 4-2 and second area 4-3 is adjusted away from floor upper surface according to test demand Distance, i.e., there are gap, gap is controlled between 0-10mm, is needed the limit in first area 4-2 and second area 4-3 When distance of the frame 4-6-11 adjusting away from floorboard upper surface is (a < 10) definite value amm, rotary manual turntable 4-6-2 counterclockwise, hand Turn disk 4-6-2 drives first gear 4-6-3 rotation by active rotating shaft 4-6-1, and limited block 4-6-23 is to ratchet 4-6-4 at this time Position-limiting action can by can be manually rotated manual turntable 4-6-2 counterclockwise, first gear 4-6-3 by with second gear 4-6- 6 engagement drives driven spindle 4-6-5 to rotate clockwise, since the both ends driven spindle 4-6-5 are provided with identical screw thread, The internal screw thread of external screw thread the matching thread bearing 4-6-7 and sleeve 4-6-10 of driven spindle 4-6-5, make screw thread bearing 4-6-7 and Sleeve 4-6-10 is moved up, and since screw thread is all the same therefore is moved down apart from identical, therefore adjusts vernier scale 4-6-8 along master Ruler 4-6-9 moves up amm；

Measure distance method of the limitting casing 4-6-11 apart from floor upper surface: the survey for being amm by the height made in advance Determine block, be placed on the upper surface of cover board 4-8, and abuts the scale portion of vernier scale 4-6-8, rotary manual turntable 4-6- counterclockwise 2 make screw thread bearing 4-6-7 that vernier scale 4-6-8 be driven slowly to move upwards, until 0 graduation mark and side jacking block of vernier scale 4-6-8 Upper surface be overlapped, i.e. completion roll adjustment, determination block can be cylindrical body, square, cuboid determination block, can quick and precisely adjust Required distance value；

Limit component 4-6-12 uses mechanical structure, to be shown using electronic structure in view of vibration is to electronic equipment bring It destroys, while overcoming the shake of the driven spindle 4-6-5 generated in vibration and causing limitting casing 4-6-11 away from floorboard upper surface Distance, provide limit component 4-6-12, i.e., in vibration processes, first gear 4-6-3 passes through with second gear 4-6-6's Engagement limits driven spindle 4-6-5 rotation, makes screw thread bearing 4-6-7 and sleeve 4-6-10 cannot be relative to driven spindle 4-6-5 rotation, guarantees limitting casing 4-6-11 constant strict control precision at a distance from floorboard, makes data more accurate and effective.

Specific embodiment ten

In conjunction with shown in Fig. 2,3,4 and 20, the present embodiment is on the basis of specific embodiment nine, and difference is fixed limit Position device 4-7 includes fixed link 4-7-1 and limitting casing 4-6-11；One end of the fixed link 4-7-1 is arranged under cover board 4-8 On end face, the other end is connected by symmetrically arranged rod piece with limitting casing 4-6-11；

The limitting casing 4- for the minimum point that the limitting casing 4-6-11 and mobile limiter 4-6 of fixed limiting device 4-7 is in 6-11 is in same level height.

Specific embodiment 11

In conjunction with shown in Fig. 2,3,4 and 20, the present embodiment is on the basis of specific embodiment nine, and difference is the trip Scale 4-6-8 and main scale 4-6-9 are provided with scale portion；

Label, the setting around the manual turntable 4-6-2 of the upper surface cover board 4-8 are provided on the manual turntable 4-6-2 There is scale portion；

It measures distance method of the limitting casing 4-6-11 apart from floor upper surface: passing through the manual turntable 4- that rotates a circle counterclockwise 6-2 observes vernier scale 4-6-8 and main scale 4-6-9, and reads specific climb by vernier scale 4-6-8 and main scale 4-6-9 It is denoted as bmm, label is provided on manual turntable 4-6-2, is provided with quarter around the manual turntable 4-6-2 of the upper surface cover board 4-8 Degree portion, the label of manual turntable 4-6-2 rotate 40 scales, and the corresponding distance risen of each scale isWant to adjust trip Scale 4-6-8 rises amm, the scale of the label rotation of manual turntable 4-6-2 are as follows:RotateA quarter Degree, it is fast not need prior efficiency test, required distance can be adjusted by simple computation, on cover plate 4-8 It is provided with scale portion around the manual turntable 4-6-2 of end face, corresponding scale can be used, i.e., according to accuracy requirement in scale N points are divided the circumference into, it can be (for the positive integer greater than 1) according to the value of precision set n；

Specific embodiment 12

A kind of adjusting method for the chamber limiting device for simulating underground heat, acts on embodiment disclosed in the present embodiment Nine, disclosed in ten and 11 it is a kind of simulate underground heat chamber limiting device on, comprising the following steps:

Step 1 is powered to two limit component 4-6-12, and limit component 4-6-12 attracts iron block 4-6-18, iron block 4-6- 18 drive limited block 4-6-23 to move up by connecting rod 4-6-20, and then release limited block 4-6-23 to ratchet 4-6-4's Position-limiting action, rotates clockwise manual turntable 4-6-2, and manual turntable 4-6-2 drives first gear 4- by active rotating shaft 4-6-1 6-3 rotation, first gear 4-6-3 with the engagement of second gear 4-6-6 by driving driven spindle 4-6-5 to turn counterclockwise It is dynamic, since the both ends driven spindle 4-6-5 are provided with identical screw thread, the external screw thread matching thread bearing 4- of driven spindle 4-6-5 The internal screw thread of 6-7 and sleeve 4-6-10 move down screw thread bearing 4-6-7 and sleeve 4-6-10, since screw thread is all the same Therefore move down apart from identical, until the lower end of screw thread bearing 4-6-7 and the upper surface of cover board 4-8 abut, that is, adjusted for 0 stage, set Cylinder 4-6-10, which is moved down, makes the limitting casing 4-6-11 of mobile limiter 4-6 and fixed limiting device 4-7 apart from cover board 4-8's Apart from identical, the power supply of two limit component 4-6-12 is disconnected；

Step 2 corresponds to two mobile limiter 4-6 in insertion first area 4-2 and second area 4-3, by two In the fixed corresponding insertion third region 4-4 and the fourth region 4-5 of limiting device 4-7, the upper end of limitting casing 4-6-11 and floorboard Face leans, and cover board 4-8 is fixed on to the upper end of bottomless box 4-1 by locking member, realizes the capping to bottomless box 4-1；

Step 3 adjusts the limitting casing 4-6-11 in first area 4-2 and second area 4-3 away from floor according to test demand The distance of upper surface, i.e., there are gap, need by first area 4-2 and second area 4-3 limitting casing 4-6-11 adjust away from When the distance of floorboard upper surface is definite value amm, rotary manual turntable 4-6-2 counterclockwise, manual turntable 4-6-2 are by actively turning Axis 4-6-1 drives first gear 4-6-3 rotation, and limited block 4-6-23 can be by inverse to the position-limiting action of ratchet 4-6-4 at this time Hour hands can be manually rotated manual turntable 4-6-2 and overcome, and first gear 4-6-3 with the engagement of second gear 4-6-6 by driving Driven spindle 4-6-5 is rotated clockwise, since the both ends driven spindle 4-6-5 are provided with identical screw thread, driven spindle 4-6-5's The internal screw thread of external screw thread matching thread bearing 4-6-7 and sleeve 4-6-10 keep screw thread bearing 4-6-7 and sleeve 4-6-10 upward It is mobile, it since screw thread is all the same therefore moves down apart from identical, therefore adjusts vernier scale 4-6-8 and moved up along main scale 4-6-9 Amm, can be completed and adjust the distance away from floorboard upper surface to limitting casing 4-6-11 is amm；

Method one: the determination block for being amm by the height made in advance is placed on the upper surface of cover board 4-8, and abut The scale portion of vernier scale 4-6-8, rotary manual turntable 4-6-2 counterclockwise make screw thread bearing 4-6-7 drive vernier scale 4-6-8 upward Slowly mobile, until 0 graduation mark of vernier scale 4-6-8 is overlapped with the upper surface of side jacking block, i.e., completion roll adjustment, determination block can be Cylindrical body, square, cuboid determination block；

Method two: by the manual turntable 4-6-2 that rotates a circle counterclockwise, observing vernier scale 4-6-8 and main scale 4-6-9, and Specific climb is read by vernier scale 4-6-8 and main scale 4-6-9 and is denoted as bmm, and mark is provided on manual turntable 4-6-2 Remember, is provided with scale portion around the manual turntable 4-6-2 of the upper surface cover board 4-8, the label of manual turntable 4-6-2 rotates 40 Scale, the corresponding distance risen of each scale areWant to adjust vernier scale 4-6-8 rising amm, manual turntable 4-6-2's Mark the scale of rotation are as follows:RotateA scale；

Step 4, starts motor 1-8, and the output end of motor 1-8 drives the first disk 1-2, the second disk 1-3, pin rod 1-4 It is rotated with roll shaft 1-1, pin rod 1-4 drives triangle roller 1-6 to be rotated by drive rod 1-7, and two pin rod 1-4 are arranged second The both ends of disk 1-3, and the centroid about the second disk 1-3 is centrosymmetric, and by the drive rod 1-7 of isometric setting with The 1-6 connection of triangle roller can be such that two triangle roller 1-6 rotate synchronously, and guarantee the lower end surface of ground hot tank 2 is rotated synchronously at two three Under the action of the roller 1-6 of angle, in vibration processes, remain that lower end surface is in level, and realize under the action of spring 3 are shaken in filter Of reciprocating vibration, vibration keeps the floorboard of interlocking of reciprocating vibration above and below, under the action of triangle roller 1-6 and filter shake spring 3, up and down During belong to velocity variations process, according to Newton's second law, since the effect of external force changes object moving state, spell The edge of the floorboard connected pulls coupled floorboard to make variable motion due to the position-limiting action of limitting casing 4-6-11, The floorboard of splicing is set to generate tension force effect, tension force effect can make floorboard that extremely small deformation occur, and pass through control electricity The rotational frequency of machine 1-8, simulation people walk deformation caused by the tension that plate over the ground generates on floor, while accelerating air stream Dynamic speed, overcoming does not have the problem of air flowing under air-proof condition, sufficiently simulates the air flowing on true indoor floor surface, Accelerate the harmful substance that floor volatilization generates simultaneously to enter in bottomless box 4-1, since limited block 4-6-23 is to ratchet 4-6-4's Position-limiting action, in vibration processes, first gear 4-6-3 is by limiting driven spindle with the engagement of second gear 4-6-6 4-6-5 rotation, rotate screw thread bearing 4-6-7 and sleeve 4-6-10 cannot relative to driven spindle 4-6-5, guarantee limitting casing 4-6-11 is constant at a distance from floorboard；

Step 5 closes motor 1-8, by adjusting two mobile limiters in first area 4-2 and second area 4-3 4-6 adjusts limitting casing 4-6-11 at a distance from floorboard upper surface according to test, then restarts motor 1-8 and tested, can By the way that being turned off and on for control motor 1-8 is repeated several times, the corresponding limitting casing 4-6-11 that adjusts is obtained at a distance from floorboard upper end To multiple test results, harmful substance that floorboard in first area 4-2 and second area 4-3 can be volatilized is with limitting casing 4-6-11 Relationship away from floorboard upper surface distance is depicted as full curve, and two curves are compared analysis.

Claims (1)

1. it is a kind of simulate underground heat chamber, which is characterized in that including vibration device (1), hot tank (2), filter shake spring (3), Chamber (4), connecting elements (5), position-limited rack (6) and sampler (7)；Vibration device (1) upper end is provided with ground hot tank (2), ground hot tank (2) is connected with vibration device (1) by filter shake spring (3), and the upper end of ground hot tank (2) is provided with chamber (4), Chamber (4) is connected with ground hot tank (2) by connecting elements (5), and chamber (4) is movably arranged in position-limited rack (6), chamber (4) multiple samplers (7) are provided on side wall；

Chamber (4) includes bottomless box (4-1), first area (4-2), second area (4-3), third region (4-4), the 4th Region (4-5), mobile limiter (4-6), fixed limiting device (4-7) and cover board (4-8)；The bottomless box (4-1) Bottom is arranged by connecting elements in the upper end of ground hot tank (2), and bottomless box (4-1) can be with ground hot tank by connecting elements (5) (2) it relatively rotates, bottomless box (4-1) is divided into four regions, respectively first area (4-2), second by partition Region (4-3), third region (4-4) and the fourth region (4-5), the bottom of the first area (4-2) and the fourth region (4-5) It is equipped with big floorboard, the bottom of the second area (4-3) and third region (4-4) are equipped with small floorboard, the earth The lower end surface of plate and small floorboard and the upper surface of ground hot tank (2) lean, the first area (4-2) and second area The mobile limiter (4-6) of adjustable limit displacement, the third region (4-4) and the fourth region (4- are provided in (4-3) 5) the fixation limiting device (4-7) of unadjustable limit displacement, mobile limiter (4-6) and fixed limiting device are provided in The lower end of (4-7) leans with floorboard, and the other end is arranged on the cover board (4-8) of bottomless box (4-1), vibration device (1) The floorboard in bottomless box (4-1) can be driven to vibrate, simulation people is walked on floor caused by the tension that plate generates over the ground Deformation, while simulating the air flowing on true indoor floor surface.