CN110967146B - Special inflator for pipeline leakage diffusion experiment - Google Patents
Special inflator for pipeline leakage diffusion experiment Download PDFInfo
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- CN110967146B CN110967146B CN201911344889.4A CN201911344889A CN110967146B CN 110967146 B CN110967146 B CN 110967146B CN 201911344889 A CN201911344889 A CN 201911344889A CN 110967146 B CN110967146 B CN 110967146B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 29
- 238000009792 diffusion process Methods 0.000 title claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000005276 aerator Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 32
- 238000012360 testing method Methods 0.000 abstract description 10
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- 238000000034 method Methods 0.000 description 15
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/007—Leak detector calibration, standard leaks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention relates to the technical field of gas leakage experiment sampling, in particular to a special aerator for a pipeline leakage diffusion experiment, which comprises a test bed and a gas pipeline fixed on the test bed, wherein a power part and a sampling feeding mechanism are fixed on the test bed, a gas production mechanism is fixed on the outer side wall of the gas pipeline, the power part is in transmission connection with the sampling feeding mechanism, the sampling feeding mechanism comprises a sample plate, a plurality of sampling pipes are arranged on the sample plate, and the power part can push the sampling pipes to be communicated with the gas production mechanism. This special aerator of pipeline leakage diffusion experiment communicates through power portion drive sampling pipe and gas production mechanism to drive sampling feed mechanism and change the sampling pipe, realize changing the sampling pipe automatically, realize moreover that the interval is even to adjacent twice sampling time clearance, realizes equidistant continuous sampling, when need not manual operation moreover, labour saving and time saving improves sampling efficiency.
Description
Technical Field
The invention relates to the technical field of gas leakage experiment sampling, in particular to a special inflator for a pipeline leakage diffusion experiment.
Background
In order to detect the gas concentration change condition in the gas pipeline when the gas pipeline is in danger of leakage in the long-term use process, so as to set the gas alarm concentration, and make timely and effective early warning, and to deal with the leakage condition, the experiment test needs to be carried out on parameters such as a gas alarm concentration set value (upper limit value), an emergency cut-off concentration set value, a gas detector arrangement distance and the number of times of ventilation in a pipe gallery model pipe.
For example, the simulation experiment table for pipeline leakage diffusion of the underground utility tunnel model pipe disclosed in patent application No. 201810209187.4 is used for simulating the condition of pipeline gas leakage in the utility tunnel model pipe by simulating the working environment of the gas pipeline and manufacturing the leakage condition, and then sampling and detecting different positions of the gas pipeline.
However, a plurality of sampling samples in the experiment need to be taken, so the sampling samples need to be taken for a plurality of times, and because the sampled injectors are manually taken down and replaced by the next injector, the time interval error of each sampling is large, the equal-interval continuous sampling cannot be carried out, and the sampling efficiency is slow during manual operation, so the special inflator for the pipeline leakage diffusion experiment is provided.
Disclosure of Invention
The invention aims to provide a special inflator for pipeline leakage diffusion experiments, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
on the one hand, this application provides a special aerator of pipeline leakage diffusion experiment, include the test bench and fix the gas pipeline on the test bench, the test bench is fixed with power portion and sampling feed mechanism, and the lateral wall of gas pipeline is fixed with the gas production mechanism, and power portion is connected with the transmission of sampling feed mechanism, and sampling feed mechanism includes the sample board, is provided with a plurality of sampling pipes on the sample board, and power portion can promote sampling pipe and gas production mechanism intercommunication.
Preferably, the power portion is fixed with the motor including fixing the backing plate on the laboratory bench on the backing plate, and the spout has been seted up to the upper surface of backing plate, and sliding connection has the balladeur train on the spout, and the vertical upwards setting of balladeur train, is fixed with the ejector pin on the balladeur train, and the ejector pin is perpendicular with the balladeur train, and the output shaft end of motor is fixed with the rocker, and the tip and the balladeur train transmission of rocker are connected.
Preferably, the gas pipeline is located the left side of backing plate, and the right side of backing plate is provided with the grudging post, and the grudging post is fixed on the laboratory bench to vertical upwards setting, dead axle rotate on the grudging post is connected with the pivot, is fixed with the gear in the pivot, and the pivot passes through the output shaft transmission of pulley block and motor and is connected.
Preferably, the bar groove has been seted up on the balladeur train, and the vertical direction in bar groove sets up, the rocker includes the sleeve, three and the telescopic link of spring, the output shaft of telescopic one end fixed connection motor, the other end and telescopic link sliding connection, the spring tribit is in the sleeve, and the telescopic link is located telescopic one end and connects through three and the inside bottom surface of sleeve of spring, the telescopic link is located the outside one end of sleeve and is fixed with the pin rod, and the pin rod with peg graft at the bar inslot, and can slide in the bar inslot.
Preferably, adopt feed mechanism still including fixing the slide on the grudging post, sliding connection has the rack on the slide, the rack can be connected with gear engagement, the upper end of rack is fixed with the cantilever of L shape, the horizontal segment tip of cantilever and the upper end fixed connection of rack, the vertical section lower extreme fixed connection sample board of cantilever, be fixed with the cardboard on the sample board, be provided with a plurality of draw-in grooves on the cardboard, and the sampling tube joint is in the draw-in groove, and the socle of sampling tube can support with the ejector pin and detain the contact.
Preferably, the experiment table is provided with a first through hole corresponding to the sample plate, the sample plate can freely pass through the first through hole, the experiment table is provided with a second through hole corresponding to the rack, and the rack can freely pass through the second through hole.
Preferably, the port inboard of sampling pipe closely pegs graft and has the stopper post, and the center department of stopper post sets up flutedly, and sliding connection has sealed post in the recess, and sealed post passes through spring two to be connected with the bottom of recess, and inlet channel has been seted up to the inside of stopper post, and inlet channel one end communicates with the inside of sampling pipe, and the other end communicates with the recess is inside, and sealed post can be to inlet channel and the shutoff of the intercommunication department of recess.
Preferably, the gas production mechanism includes the gas-supply pipe, the one end fixed connection of gas-supply pipe is on gas pipeline's lateral wall to the inside of gas-supply pipe and gas pipeline's inside intercommunication, the gas-supply pipe level is horizontal and the one end of keeping away from gas pipeline is sealing structure, and has seted up the venthole on this end lateral wall, the gas-supply pipe lateral wall has cup jointed the seal cover, and the seal cover can be to the venthole shutoff, the seal cover can slide on the gas-supply pipe, and the seal cover passes through spring one and is connected with gas pipeline.
Preferably, the sealing end of the gas pipe can be inserted into the groove and can slide in the groove, the sealing end of the gas pipe can be in abutting contact with the sealing column, the gas outlet hole can be communicated with the gas inlet channel, and the sealing sleeve can be in abutting contact with the plug column.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the power part drives the sampling pipe to be communicated with the gas production mechanism and drives the sampling feeding mechanism to replace the sampling pipe, so that the automatic replacement of the sampling pipe is realized, the time gap balance of two adjacent sampling times is realized, the equidistant continuous sampling is realized, the time and the labor are saved when the manual operation is not needed, and the sampling efficiency is improved.
Drawings
FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the final assembly of the present invention;
FIG. 3 is a third schematic view of the cross-sectional structure of the final assembly of the present invention;
FIG. 4 is a fourth schematic cross-sectional view of the assembly of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 6 is an enlarged view of the structure at B in FIG. 1;
FIG. 7 is an enlarged view of the structure at C in FIG. 1;
FIG. 8 is an enlarged view of the structure shown at D in FIG. 2;
FIG. 9 is a cross-sectional view of the rocker of the present invention;
FIG. 10 is a side view of a sample plate structure in accordance with the present invention;
fig. 11 is a diagram showing the change of the motion state of the rocker in the present invention.
In the figure: 1-a laboratory bench; 2-a gas pipeline; 3-clamping board; 4-a sampling tube; 5-a top rod; 6-a carriage; 7-a motor; 8-a pulley set; 9-gear; 10, a first spring; 11-gas production mechanism; 12-sample plate; 13-a cantilever; 14-a rack; 15-a slide; 16-a chute; 17-erecting a frame; 18-a first through hole; 19-a backing plate; 20-a second through hole; 21-gas pipe; 22-sealing sleeve; 23-air outlet holes; 24-plug; 25-a groove; 26-spring two; 27-an intake passage; 28-sealing the column; 29-a rotating shaft; 30-a rocker; 31-a sleeve; 32-spring three; 33-telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 11, the present invention provides a technical solution:
the utility model provides a special aerator of pipeline leakage diffusion experiment, includes test bench 1 and fixes gas pipeline 2 on test bench 1, and test bench 1 is fixed with power portion and sampling feed mechanism, and gas pipeline 2's lateral wall is fixed with gas production mechanism 11, and power portion is connected with the transmission of sampling feed mechanism, and sampling feed mechanism includes sample board 12, is provided with a plurality of sampling pipes 4 on the sample board 12, and power portion can promote sampling pipe 4 and gas production mechanism 11 intercommunication.
In this embodiment, power portion is including fixing the backing plate 19 on laboratory bench 1, is fixed with motor 7 on the backing plate 19, and spout 16 has been seted up to the upper surface of backing plate 19, and sliding connection has balladeur train 6 on spout 16, and balladeur train 6 only can slide from side to side on spout 16, and the vertical upwards setting of balladeur train 6, is fixed with ejector pin 5 on the balladeur train 6, and ejector pin 5 is perpendicular with balladeur train 6, and the output shaft end of motor 7 is fixed with rocker 30, and the tip and the balladeur train 6 transmission of rocker 30 are connected.
In this embodiment, gas pipeline 2 is located the left side of backing plate 19, and the right side of backing plate 19 is provided with grudging post 17, and grudging post 17 fixes on laboratory bench 1 to vertical upwards setting, the dead axle rotates on the grudging post 17 to be connected with pivot 29, is fixed with gear 9 on the pivot 29, and pivot 29 passes through the output shaft transmission of pulley group 8 with motor 7 and is connected, and gear 9 is incomplete gear, and the arc length of tooth is 180, and the drive ratio of pulley group 8 is 1.
In this embodiment, the bar groove has been seted up on balladeur train 6, and the vertical direction in bar groove sets up, rocker 30 includes sleeve 31, three 32 and telescopic link 33 of spring, the output shaft of sleeve 31's one end fixed connection motor 7, the other end and telescopic link 33 sliding connection, three 32 of spring are located sleeve 31, and telescopic link 33 is located the one end of sleeve 31 and connects through three 32 of spring and the inside bottom surface of sleeve 31, telescopic link 33 is located the outside one end of sleeve 31 and is fixed with the pin pole, and the pin pole with peg graft in the bar groove, and can slide in the bar groove, the maximum length of rocker 30 equals with the length of spout 16, and the output shaft of motor 7 is located the vertical center line at 16 mid points of spout.
In this embodiment, the feeding mechanism further includes a sliding seat 15 fixed on the vertical frame 17, a rack 14 is slidably connected to the sliding seat 15, a damping pad is disposed at a joint of the rack 14 and the sliding seat 15, and friction resistance between the rack 14 and the sliding seat 15 is improved, so that when the gear 9 is not engaged with the rack 14, the rack 14 can be kept stationary on the sliding seat 15 and cannot move down due to the sample plate 12 and its own gravity, the rack 14 can be engaged with the gear 9, an L-shaped cantilever 13 is fixed at the upper end of the rack 14, the end of the horizontal section of the cantilever 13 is fixedly connected with the upper end of the rack 14, the lower end of the vertical section of the cantilever 13 is fixedly connected with the sample plate 12, a clamping plate 3 is fixed on the sample plate 12, a plurality of clamping grooves are formed in the clamping plate 3, the sampling tube 4 is clamped in the clamping grooves, and the bottom of the sampling tube 4 can be in abutting contact with the ejector rod 5.
In this embodiment, the experiment table 1 is provided with a first through hole 18 corresponding to the sample plate 12, the sample plate 12 can freely pass through the first through hole 18, the experiment table 1 is provided with a second through hole 20 corresponding to the rack 14, and the rack 14 can freely pass through the second through hole 20.
In this embodiment, the port inboard of sampling pipe 4 closely pegs graft and has been had stopper post 24, the center department of stopper post 24 sets up fluted 25, sliding connection has sealed post 28 in the recess 25, sealed post 28 passes through spring two 26 and is connected with the bottom of recess 25, inlet channel 27 has been seted up to the inside of stopper post 24, inlet channel 27 one end and sampling pipe 4's inside intercommunication, the other end and the inside intercommunication of recess 25, and sealed post 28 can be to inlet channel 27 and the shutoff of the intercommunication department of recess 25.
In this embodiment, gas production mechanism 11 includes gas-supply pipe 21, the one end fixed connection of gas-supply pipe 21 is on gas pipeline 2's lateral wall, and the inside of gas-supply pipe 21 and gas pipeline 2's inside intercommunication, the horizontal one end of keeping away from gas pipeline 2 of gas-supply pipe 21 is seal structure, and the venthole 23 has been seted up on this end lateral wall, seal cover 22 has been cup jointed to gas-supply pipe 21 lateral wall, and seal cover 22 can be to the shutoff of venthole 23, seal cover 22 can slide on gas-supply pipe 21, and seal cover 22 passes through spring 10 and is connected with gas pipeline 2.
In this embodiment, the sealing end of the air pipe 21 can be inserted into the groove 25 and can slide in the groove 5, the sealing end of the air pipe 21 can be in abutting contact with the sealing post 28, the air outlet 23 can be communicated with the air inlet channel 27, and the sealing sleeve 22 can be in abutting contact with the plug 24.
In another aspect, in order to embody the using method and advantages of the present invention, the present application further provides a using method of the inflator special for the pipeline leakage diffusion experiment, which comprises the following steps:
the method comprises the following steps: as shown in fig. 1, after the motor 7 is started to work, the motor 7 drives the carriage 6 to move to the left end of the chute 16 through the rocker 30 after working, and pushes the corresponding sampling tube 4 to the left through the ejector rod 5 to communicate with the gas pipe 21, at this time, as shown in fig. 7, the rocker 30 is in the shortest compression state, the rocker 30 is perpendicular to the carriage 6, as shown in fig. 5, the right end of the gas pipe 21 is inserted into the groove 25 and is in abutting contact with the sealing post 28, so that the sealing post 28 compresses the second spring 26 and the second spring 26 obtains a restoring force, and meanwhile, as the gas pipe 21 is inserted into the groove 25, the plug 24 is in abutting contact with the right end of the sealing sleeve 22 and pushes the sealing sleeve 22 to the left to compress the first spring 10 and obtain a restoring force for the first spring 10, and the sealing sleeve 22 is dislocated with the gas outlet 23, so as not to block the gas outlet 23, and the gas outlet 23 is communicated with the gas inlet channel 27, then, the mixer in the gas pipeline 2 enters the sampling pipe 4 through the gas pipe 21, the gas outlet 23 and the gas inlet channel 27, so that the collection of the gas in the gas pipeline 2 is realized;
in the process that the motor 7 drives the rocker 30 to rotate anticlockwise from the position shown in fig. 1 to the position shown in fig. 2, the rocker 30 drives the sliding frame 6 to move from the left end of the sliding groove 16 to the middle point of the sliding groove 16, in the moving process, the sliding frame 6 drives the ejector rod 5 to move synchronously, so that the ejector rod 5 has no thrust action on the corresponding sampling tube 4, as shown in fig. 8, the sealing sleeve 22 is pushed to move rightwards under the action of the restoring force of the spring I10, the sampling tube 4 is pushed rightwards through the sealing sleeve 22 to reset the sampling tube, in the process that the sampling tube 4 moves rightwards, the gas pipe 21 is withdrawn from the groove 25 and has no force action on the sealing column 28, and simultaneously the gas outlet 23 is plugged again after the sealing sleeve 22 moves rightwards, so that gas leakage in the gas pipeline 2 is avoided, after the gas pipe 21 is pushed out from the groove 25, the plug 28 is moved towards the opening of the groove 25 under the action of the restoring force of the spring II 26, the port of the gas inlet pipeline 27 connected with the groove 25 is plugged, so that gas collected in the sampling pipe 4 is prevented from leaking, and the sampling effect is ensured;
step two: in the process that the output shaft of the motor 7 drives the rocker 30 to rotate anticlockwise, the gear 9 is driven to rotate anticlockwise through the belt pulley group 8 synchronously, when the sliding frame 6 is located at the middle point of the sliding groove 16, and the rocker 30 is vertically downward, teeth on the gear 9 are just meshed with the rack 14 at the moment, the ejector rod 5 is separated from the sampling tube 4 and is not contacted with the sampling tube 4, along with the process that the motor 7 drives the rocker 30 to rotate anticlockwise from the position of the figure 2 to the position of the figure 3, the rocker 30 drives the sliding frame 6 to move towards the right end of the sliding groove 16 and simultaneously drives the ejector rod 5 to further move away from the sampling tube 4, the gear 9 drives the rack 14 to move upwards on the sliding seat 15 through the transmission effect of the teeth on the gear, the upward movement of the rack 14 drives the sample plate 12 to move upwards through the cantilever 13, so as to drive the sampling tube 4 which has been sampled to move upwards and to move away from the gas delivery tube 21, and the sampling tube 4 which has not been sampled moves upwards to be close to the gas delivery tube 21, so as to be used for next gas production;
in the process that the motor 7 drives the rocker 30 to rotate anticlockwise from the position of the drawing 3 to the position of the drawing 4, the rocker 30 drives the sliding frame 6 to move from the middle point of the sliding groove 16 at the right end of the sliding groove 16, and simultaneously drives the ejector rod 5 to approach the sampling tube 4 again, the gear 9 continues to drive the rack 14 to move upwards in the process, so that the sampling tube 4 which is not subjected to gas production corresponds to the gas conveying tube 21, as shown in the drawing 4, when the sliding frame 6 is located at the middle point of the sliding groove 16 and the rocker 30 is vertically upward, teeth on the gear 9 are just separated from the rack 14 at the moment, the sampling tube 4 which is not subjected to gas production just corresponds to the gas conveying tube 21, the ejector rod 5 is about to be abutted against the corresponding gas conveying tube 4, the sampling tube 4 is automatically replaced, and time and labor are saved;
step three: in the process that the motor 7 drives the rocker 30 to rotate counterclockwise from the position shown in fig. 4 to the position shown in fig. 1, the motor 7 drives the carriage 6 to move from the midpoint of the chute 16 to the left end of the chute 16 through the rocker 30, and pushes the corresponding sampling tube 4 to the left through the ejector rod 5, as shown in fig. 7, the plug 24 abuts against the sealing sleeve 22, and pushes the sealing sleeve 22 to the left end of the air pipe 21, and simultaneously the right end of the air pipe 21 is inserted into the groove 25 and abuts against and contacts the sealing post 28, so that the sealing post 28 compresses the spring two 26, and the spring two 26 obtains a restoring force, and simultaneously after the plug 24 pushes the sealing sleeve 22 to the left, the sealing sleeve 22 compresses the spring one 10, and the spring one 10 obtains a restoring force, and simultaneously the sealing sleeve 22 is dislocated with the air outlet 23, so as not to block the air outlet 23, and the air outlet 23 is communicated with the air inlet channel 27, then the mixer in the gas pipeline 2 enters the sampling pipe 4 through the gas pipe 21, the gas outlet 23 and the gas inlet channel 27, so that the collection of the gas in the gas pipeline 2 is realized;
as shown above, in the process that the motor 7 drives the rocker 30 to rotate circularly, so that the sampling pipes 4 on the sample plate 12 sample in sequence, as long as the motor 7 is controlled to drive the rocker 30 to rotate at a constant speed, time gap equalization between two adjacent sampling can be realized, and equidistant continuous sampling can be realized, and when manual operation is not needed, the sampling efficiency is improved;
as shown in fig. 11, in the process from the time when the sliding frame 6 just reaches the left end of the sliding slot 16 to the time when the sliding frame 6 just moves to the right from the left end of the sliding slot 16, the pin rod on the rocker 30 moves to zero in the horizontal direction, that is, the position of the sampling tube 4 is kept stationary after being communicated with the gas pipe 21, so that the communication between the gas outlet 23 and the gas inlet pipe 27 has a certain time, thereby facilitating the sampling tube 4 to collect enough gas in the gas pipe 2, avoiding insufficient gas collection, the pin rod moves from top to bottom along the strip-shaped groove on the sliding frame 6 in the vertical direction, so that the telescopic rod 33 retracts or extends in the sliding sleeve 31 through the compression or extension spring three 33, thereby adapting to the distance between the output shaft of the motor 7 and each point position on the sliding frame 6, and ensuring that the motor 7 can always keep a driving relationship with the sliding frame 6, thereby ensuring the stability of the whole sampling cycle process.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a special aerator of pipeline leakage diffusion experiment, includes laboratory bench (1) and fixes gas pipeline (2) on laboratory bench (1), its characterized in that: the experiment table (1) is fixedly provided with a power part and a sampling feeding mechanism, the outer side wall of the gas pipeline (2) is fixedly provided with a gas production mechanism (11), the power part is in transmission connection with the sampling feeding mechanism, the sampling feeding mechanism comprises a sample plate (12), a plurality of sampling pipes (4) are arranged on the sample plate (12), and the power part can push the sampling pipes (4) to be communicated with the gas production mechanism (11); the power part comprises a base plate (19) fixed on the experiment table (1), a motor (7) is fixed on the base plate (19), a sliding groove (16) is formed in the upper surface of the base plate (19), a sliding frame (6) is connected onto the sliding groove (16) in a sliding mode, the sliding frame (6) is vertically and upwards arranged, a mandril (5) is fixed on the sliding frame (6), the mandril (5) is perpendicular to the sliding frame (6), a rocker (30) is fixed at the output shaft end of the motor (7), and the end portion of the rocker (30) is in transmission connection with the sliding frame (6); the utility model discloses a sliding rack, including balladeur train (6), rocker (30), spring three (32) and telescopic link (33), the output shaft of the one end fixed connection motor (7) of sleeve (31), the other end and telescopic link (33) sliding connection, spring three (32) are located sleeve (31), and telescopic link (33) are located sleeve (31) one end of sleeve (31) and are connect through spring three (32) and sleeve (31) inside bottom surface, telescopic link (33) are located sleeve (31) outside one end and are fixed with the pin rod, and the pin rod with peg graft at the bar inslot to can slide in the bar inslot.
2. The special inflator for pipeline leakage diffusion experiments as claimed in claim 1, wherein: gas pipeline (2) are located the left side of backing plate (19), the right side of backing plate (19) is provided with grudging post (17), and grudging post (17) are fixed on laboratory bench (1) to vertical upwards setting, dead axle rotation is connected with pivot (29) on grudging post (17), be fixed with gear (9) on pivot (29), output shaft transmission connection of pivot (29) through pulley group (8) and motor (7).
3. The special inflator for pipeline leakage diffusion experiments as claimed in claim 2, wherein: sampling feed mechanism is still including fixing slide (15) on grudging post (17), sliding connection has rack (14) on slide (15), rack (14) can be connected with gear (9) meshing, the upper end of rack (14) is fixed with cantilever (13) of L shape, the horizontal segment tip of cantilever (13) and the upper end fixed connection of rack (14), cantilever (13) vertical section lower extreme fixed connection sample board (12), be fixed with cardboard (3) on sample board (12), be provided with a plurality of draw-in grooves on cardboard (3), and sampling tube (4) joint in the draw-in groove, and the socle of sampling tube (4) can support with ejector pin (5) and detain the contact.
4. The special inflator for pipeline leakage diffusion experiments as claimed in claim 3, wherein: the experiment table (1) is provided with a first through hole (18) corresponding to the sample plate (12), the sample plate (12) can freely pass through the first through hole (18), the experiment table (1) is provided with a second through hole (20) corresponding to the rack (14), and the rack (14) can freely pass through the second through hole (20).
5. The special inflator for pipeline leakage diffusion experiments as claimed in claim 3, wherein: the inboard inseparable plug (24) of pegging graft of port of sampling pipe (4), the center department of plug (24) sets up fluted (25), sliding connection has sealed post (28) in recess (25), sealed post (28) are connected with the bottom of recess (25) through spring two (26), inlet channel (27) have been seted up to the inside of plug (24), inlet channel (27) one end and the inside intercommunication of sampling pipe (4), the other end and the inside intercommunication of recess (25), and sealed post (28) can be to inlet channel (27) and the shutoff of the intercommunication department of recess (25).
6. The special inflator for pipeline leakage diffusion experiments as claimed in claim 5, wherein: adopt gas mechanism (11) including gas-supply pipe (21), the one end fixed connection of gas-supply pipe (21) is on the lateral wall of gas pipeline (2) to the inside of gas-supply pipe (21) and the inside intercommunication of gas pipeline (2), the one end that gas-supply pipe (21) level was horizontal and kept away from gas pipeline (2) is sealing structure, and has seted up venthole (23) on this end lateral wall, seal cover (22) have been cup jointed to gas-supply pipe (21) lateral wall, and seal cover (22) can be to venthole (23) shutoff, seal cover (22) can slide on gas-supply pipe (21), and seal cover (22) are connected with gas pipeline (2) through spring (10).
7. The special inflator for pipeline leakage diffusion experiments as claimed in claim 6, wherein: the sealing end of the air conveying pipe (21) can be inserted into the groove (25) and can slide in the groove (25), the sealing end of the air conveying pipe (21) can be in abutting-buckling contact with the sealing column (28), the air outlet hole (23) can be communicated with the air inlet channel (27), and the sealing sleeve (22) can be in abutting-buckling contact with the plug column (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344889.4A CN110967146B (en) | 2019-12-24 | 2019-12-24 | Special inflator for pipeline leakage diffusion experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN206906091U (en) * | 2017-05-31 | 2018-01-19 | 李峰 | A kind of air continuous sampling device |
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