CN113281372A - Asphalt softening point tester - Google Patents
Asphalt softening point tester Download PDFInfo
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- CN113281372A CN113281372A CN202110674210.9A CN202110674210A CN113281372A CN 113281372 A CN113281372 A CN 113281372A CN 202110674210 A CN202110674210 A CN 202110674210A CN 113281372 A CN113281372 A CN 113281372A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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Abstract
The utility model relates to an asphalt softening point tester, which comprises a protective cover, wherein one side of the protective cover is provided with an air suction component, the air suction component comprises an air suction pipe, an air suction pump and a purification box, the purification box is fixedly arranged on the ground at one side of the protective cover, the air suction pump is fixedly arranged on the purification box, one end of the air suction pipe is communicated with the protective cover, the air inlet of the air suction pump is communicated with the air suction pipe, and the exhaust pipe of the air suction pump is communicated with the air inlet of the purification box; a purification component for purifying gas is arranged in the purification box. When asphalt in the shield starts to be heated, the suction pump is started firstly, so that the suction pump extracts gas in the shield through the suction pipe, the gas passing through the suction pump is introduced into the purification box through the exhaust pipe of the suction pump, and the gas in the purification box is purified and then discharged through the purification assembly, so that the aim of conveniently absorbing toxic gas generated after the asphalt is heated is fulfilled.
Description
Technical Field
The application relates to the technical field of asphalt detection, in particular to an asphalt softening point tester.
Background
Bitumen is a black-brown complex mixture composed of non-metallic derivatives of hydrocarbon machines of different molecular weights, and is one of high-viscosity organic liquids. The main performance indexes of the asphalt include asphalt ductility, penetration and softening point, and the asphalt softening point test is suitable for measuring the softening point of road petroleum asphalt and coal asphalt and also suitable for measuring the residual softening point of liquid petroleum asphalt after distillation or evaporation of softened asphalt.
The utility model discloses a chinese utility model patent of the relevant art can refer to the grant bulletin number for CN211627425U, it discloses an asphalt softening point apparatus, comprises a control cabinet, the upper end of control cabinet has the stand through the fix with screw, the top welding of stand has the roof, the bottom of roof is fixed through the mounting panel and has been installed the pneumatic cylinder, the bottom of pneumatic cylinder is to having the piston post, the bottom and the backup pad welding of piston post link to each other, the limit end of backup pad bonds and has the sealing strip, the sealing strip corresponds the setting with the upper end opening of guard shield, the upper end at the control cabinet is installed to the guard shield, and be equipped with the insulating layer between control cabinet and the guard shield, the inner wall of guard shield is fixed through the mounting bracket and has been installed the heating pipe, the upper end of backup pad is equipped with the casing, the casing bottom cross-under has even pipe, the bottom.
With respect to the related art among the above, the inventors consider that there are drawbacks: the asphalt generates polycyclic aromatic hydrocarbons during the heating process, and the polycyclic aromatic hydrocarbons are toxic gases, so that the asphalt may damage the health of operators.
Disclosure of Invention
In order to facilitate the toxic gas that produces after the heating of the pitch of absorption, this application provides an pitch softening point apparatus.
The application provides a pitch softening point apparatus adopts following technical scheme:
an asphalt softening point tester comprises a protective cover, wherein one side of the protective cover is provided with an air suction assembly, the air suction assembly comprises an air suction pipe, an air suction pump and a purification box, the purification box is fixedly arranged on the ground on one side of the protective cover, the air suction pump is fixedly arranged on the purification box, one end of the air suction pipe is communicated with the protective cover, an air inlet of the air suction pump is communicated with the air suction pipe, and an exhaust pipe of the air suction pump is communicated with an air inlet of the purification box; and a purification assembly for purifying gas is arranged in the purification box.
Through adopting above-mentioned technical scheme, when the pitch in the guard shield begins the in-process of heating, start the aspirator pump earlier for the aspirator pump passes through the gas in the aspirator extraction guard shield, and the gas through the aspirator pump lets in the purifying box by the blast pipe of aspirator pump again in, and the gas in the purifying box is discharged after purifying the subassembly, thereby reaches the purpose of the toxic gas that produces after being convenient for absorptive pitch heating.
Preferably, the outer side surface of the purification box is provided with a mounting groove, the bottom side of the mounting groove is provided with a first through hole, the purification assembly comprises a mounting frame, an activated carbon plate and a sealing plate, the mounting frame is slidably connected to the first through hole, and the mounting frame is attached to the inner wall of the purification box; the activated carbon plate is fixedly arranged on the inner circumferential surface of the mounting frame and is positioned between the air inlet and the air outlet of the purification box; the sealing plate is fixedly connected to the mounting frame, the sealing plate is in inserted fit with the mounting groove of the purifying box, and the sealing plate and the side wall of the mounting groove are arranged in a sealing manner; and the purification box is provided with a limiting mechanism for fixing the mounting frame.
By adopting the technical scheme, in order to clean toxic gas in the purification box, the mounting frame is moved firstly, so that the mounting frame slides to the interior of the purification box along the vertical direction, the mounting frame drives the activated carbon plate to the interior of the purification box, and meanwhile, the mounting frame drives the sealing plate to be in inserting fit with the mounting groove in the purification box, so that the possibility of leakage of the toxic gas from the first through hole and the mounting groove is reduced; after the toxic gas is discharged into the purifying box, the toxic gas can be discharged from the exhaust port of the purifying box through the activated carbon plate, and the purpose of purifying the toxic gas is achieved.
Preferably, a first sliding groove is formed in the inner side wall of the purification box, a limiting groove is formed in the mounting frame corresponding to the first sliding groove, the limiting mechanism comprises a limiting rod, a sliding plate and a first spring, the limiting rod penetrates through the side wall of the purification box, the limiting rod is in inserted fit with the limiting groove of the mounting frame, and the limiting rod is connected to the side wall of the purification box in a sliding mode; the sliding plate is fixedly connected to the limiting rod, the sliding plate is connected to the inner wall of the first sliding chute in a sliding mode, the first spring is sleeved on the limiting rod, one end of the first spring is fixedly connected to the inner wall of the first sliding chute, and the other end of the first spring is fixedly connected to the sliding plate; the limiting mechanism further comprises a pushing assembly used for driving the limiting rod to move.
By adopting the technical scheme, in order to fix the mounting frame, the limiting rod is pushed to move by the pushing assembly, and the limiting rod moves and is inserted into the limiting groove on the mounting frame, so that the purpose of fixing the mounting frame is achieved; the limiting rod drives the sliding plate to move in the moving process, and the sliding plate moves to pull the first spring; when the pushing assembly does not apply external force to the limiting rod any more, the first spring drives the sliding plate to move under the action of the elastic force of the first spring, and the sliding plate moves to drive the limiting rod to move, so that the limiting rod is separated from the limiting groove, and the purpose of removing the fixing of the limiting rod on the mounting frame is achieved.
Preferably, the pushing assembly comprises a first pushing block, a second pushing block, a moving block, a positioning block, a guide rod and a second spring, the first pushing block is fixedly connected to one end of the limiting rod, which is located outside the purifying box, and an inclined plane is arranged on one side, away from the limiting rod, of the first pushing block; the positioning block is fixedly connected to the outer side surface of the purification box, the guide rod is fixedly connected to the positioning block, the moving block is connected to the guide rod in a sliding mode, the second pushing block is fixedly connected to one side, close to the limiting rod, of the moving block, an inclined surface is arranged on one side, close to the limiting rod, of the second pushing block, and the inclined surface of the first pushing block is matched with the inclined surface of the second pushing block; the second spring is sleeved on the guide rod, one end of the second spring is fixedly connected to the positioning block, and the other end of the second spring is fixedly connected to the moving block.
By adopting the technical scheme, in order to facilitate the pushing of the limiting rod, the moving block is firstly pushed to move, the moving block drives the second pushing block to move, the second pushing block can push the first pushing block to move under the interaction of the first inclined plane and the second inclined plane, and the first pushing block drives the limiting rod to move, so that the purpose of facilitating the pushing of the limiting block to move is achieved; when the moving block is pushed to move, the second spring is stretched, when external force is not applied to the moving block any more, due to the elastic force effect of the second spring, the second spring pulls the moving block to move, the moving block moves to drive the second push block to move, and therefore the thrust applied to the first push block by the second push block is relieved, and further the effect of the pushing assembly on the limiting rod is relieved.
Preferably, a first driving assembly for pulling the moving block to move is arranged on the purifying box, the first driving assembly comprises a pull rope, a wire take-up roller and a driving shaft, the driving shaft is rotatably mounted on the purifying box, the wire take-up roller is fixedly connected to the driving shaft, one end of the pull rope is fixedly connected to the outer peripheral surface of the wire take-up roller, and the other end of the pull rope is fixedly connected to one side, far away from the second spring, of the moving block.
Through adopting above-mentioned technical scheme, when rotating the drive shaft, the drive shaft rotates and drives receipts line roller and rotate, receives line roller and rotates the in-process for the stay cord is rich and locates on receiving line roller, thereby makes the stay cord keep away from the one end pulling removal piece removal of receiving line roller.
Preferably, the purification box is rotatably connected with a rotating column, the rotating column penetrates through the side wall of the purification box, a second sliding groove is formed in the rotating column, an annular groove is formed in the inner side wall of the second sliding groove, one end of the driving shaft is located in the second sliding groove, and the driving shaft is in clearance fit with the inner side wall of the second sliding groove; and a connecting mechanism for connecting the driving shaft is arranged in the rotating column.
Through adopting above-mentioned technical scheme, rotating the in-process of post, rotating the post and can driving the drive shaft rotation under coupling mechanism's effect.
Preferably, the connecting mechanism comprises a fixing ring, a plurality of first limiting blocks, a guide block, a third spring and a second limiting block, the fixing ring is fixedly connected to the inner side wall of the annular groove, the first limiting blocks are uniformly distributed along the circumferential direction of the annular groove, the first limiting blocks are fixedly connected to the inner circumferential surface of the fixing ring, and a gap is formed between every two adjacent first limiting blocks; the driving shaft is provided with a third sliding groove, the guide block is connected to the third sliding groove in a sliding mode, the second limiting block is fixedly connected to the guide block, and the second limiting block is matched with a gap between every two adjacent first limiting blocks; one end of the third spring is fixedly connected to the bottom of the third sliding groove, and the other end of the third spring is fixedly connected to the guide block; the longitudinal sections of the first limiting blocks are all fan-shaped, and the longitudinal section of the second limiting block is an isosceles triangle; the coupling mechanism further includes a reset assembly for resetting the drive shaft.
By adopting the technical scheme, in the process of rotating the rotating column, the rotating column rotates to drive the fixing ring to rotate, the fixing ring rotates to drive the plurality of first limiting blocks to rotate, in the process of rotating the plurality of first limiting blocks, the second limiting blocks are matched with the gaps between the two adjacent limiting blocks, so that the first limiting blocks can drive the second limiting blocks to rotate, the second limiting blocks rotate to drive the guide blocks to rotate, the guide blocks rotate to drive the driving shaft to rotate, and further, the driving shaft can be driven to rotate in the process of rotating the rotating column; when the pull rope can not pull the moving block to move any more, the wire take-up roller can not rotate any more due to the fact that part of the pull rope winds around the wire take-up roller, and therefore the driving shaft can not rotate any more, and at the moment, the first limiting block can push the second limiting block to move into the third sliding groove due to the effect of the inclined planes on the two sides of the second limiting block and the inclined planes on the two sides of the first limiting block; and when the fixing ring continues to rotate, the third spring pushes the guide block to move under the action of the elastic force of the third spring, the guide block moves to drive the second limiting block to move, and therefore the second limiting block moves to the next gap and further the second limiting block moves in a reciprocating mode.
Preferably, the subassembly that resets includes push pedal, fourth spring and rotor plate, the push pedal rotates to be connected in the one end that the drive shaft is located the second spout outside, the rotor plate rotates to be connected in the inner wall of keeping away from push pedal one side of second spout, the one end fixed connection of fourth spring in the drive shaft, the other end fixed connection of fourth spring in the rotor plate.
Through adopting above-mentioned technical scheme, when needs remove the interact between second stopper and a plurality of first stopper, remove through promoting the push pedal, the push pedal removes and drives the drive shaft and remove, the drive shaft removes compression fourth spring, thereby make the second stopper not contact with first stopper, the movable block removes under the spring action of second spring this moment, the movable block removes the pulling stay cord, the one end pulling take-up roll that the movable block was kept away from to the stay cord rotates, take-up roll rotates and drives the drive shaft and rotate, and then can be quick remove the fixed action to the installing frame.
Preferably, a second driving assembly for driving the rotating column to rotate is further arranged in the purifying box, the second driving assembly comprises a rotating rod and a wind wheel, one end of the rotating rod is rotatably connected to the inner side wall of the purifying box, and the other end of the rotating rod is fixedly connected to the rotating column; the wind wheel is fixedly connected to the rotating rod and is located under the air inlet of the purifying box.
Through adopting above-mentioned technical scheme, when the purifying box at the in-process of work, the wind-force in the discharge port on the purifying box can blow the wind wheel and rotate, and the wind wheel rotates and drives the dwang and rotate, and the dwang rotates and drives the rotation post and rotate to reach the purpose of rotating the rotation post.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when asphalt in the shield starts to be heated, the air suction pump is started firstly, so that the air suction pump sucks gas in the shield through the air suction pipe, the gas passing through the air suction pump is introduced into the purification box through the exhaust pipe of the air suction pump, and the gas in the purification box is purified and then discharged through the purification component, so that the aim of conveniently absorbing toxic gas generated after the asphalt is heated is fulfilled;
2. in order to facilitate the pushing of the limiting rod, the moving block is pushed to move, the moving block drives the second pushing block to move, the second pushing block can push the first pushing block to move under the interaction of the first inclined surface and the second inclined surface, and the first pushing block drives the limiting rod to move, so that the purpose of facilitating the pushing of the limiting block to move is achieved; when the moving block is pushed to move, the second spring is stretched, and when external force is not applied to the moving block any more, due to the elastic force action of the second spring, the second spring pulls the moving block to move, and the moving block moves to drive the second push block to move, so that the thrust applied to the first push block by the second push block is removed, and further the action of the pushing assembly on the limiting rod is removed;
3. in the process of rotating the rotating column, the rotating column rotates to drive the fixing ring to rotate, the fixing ring rotates to drive the first limiting blocks to rotate, in the process of rotating the first limiting blocks, the second limiting blocks are matched with gaps between two adjacent limiting blocks, so that the first limiting blocks can drive the second limiting blocks to rotate, the second limiting blocks drive the guide blocks to rotate, the guide blocks rotate to drive the driving shaft to rotate, and further, the driving shaft can be driven to rotate in the process of rotating the rotating column; when the pull rope can not pull the moving block to move any more, the wire take-up roller can not rotate any more due to the fact that part of the pull rope winds around the wire take-up roller, and therefore the driving shaft can not rotate any more, and at the moment, the first limiting block can push the second limiting block to move into the third sliding groove due to the effect of the inclined planes on the two sides of the second limiting block and the inclined planes on the two sides of the first limiting block; and when the fixing ring continues to rotate, the third spring pushes the guide block to move under the action of the elastic force of the third spring, the guide block moves to drive the second limiting block to move, and therefore the second limiting block moves to the next gap and further the second limiting block moves in a reciprocating mode.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a sectional view of a purification tank in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a highlighted limiting mechanism in an embodiment of the present application;
FIG. 4 is a schematic view of the construction of a highlighting purification assembly in an embodiment of the present application;
FIG. 5 is an enlarged view at A in FIG. 3;
FIG. 6 is a sectional view of a purification tank and a rotary column in the embodiment of the present application;
fig. 7 is a schematic view showing the structure of the connection mechanism in the embodiment of the present application.
Description of reference numerals: 1. a shield; 11. heating a tube; 12. a console; 121. a column; 122. a top plate; 123. a hydraulic cylinder; 124. a cover plate; 13. a connecting rod; 14. a support plate; 15. a containing vessel; 2. a getter assembly; 21. an air intake duct; 22. a getter pump; 23. an exhaust pipe; 24. a purification box; 241. mounting grooves; 242. a first through hole; 243. a first chute; 3. a purification assembly; 31. installing a frame; 311. a limiting groove; 32. an activated carbon plate; 33. a sealing plate; 34. a handle; 4. a limiting mechanism; 41. a limiting rod; 42. a slide plate; 43. a first spring; 44. a pushing assembly; 441. a first push block; 442. a second push block; 443. a moving block; 444. positioning blocks; 445. a guide bar; 446. a second spring; 447. a limiting plate; 5. a first drive assembly; 51. pulling a rope; 52. a wire take-up roller; 53. a drive shaft; 531. a third chute; 54. a pulley; 6. rotating the column; 61. a second chute; 62. an annular groove; 7. a connecting mechanism; 71. a fixing ring; 72. a first stopper; 73. a guide block; 74. a third spring; 75. a second limiting block; 76. a reset assembly; 761. pushing the plate; 762. a fourth spring; 763. a rotating plate; 8. a second drive assembly; 81. rotating the rod; 82. and a wind wheel.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses pitch softening point apparatus, as shown in fig. 1, including guard shield 1, control cabinet 12, stand 121 and roof 122, guard shield 1 fixed mounting is in the upper surface of guard shield 1, and the top side of guard shield 1 is the opening setting. There are two columns 121, two columns 121 are all fixedly connected to the upper surface of the console 12, and the top plate 122 is simultaneously fixedly connected to the ends of the two columns 121 far away from the workbench. Two hydraulic cylinders 123 are fixedly installed at the bottom side of the top plate 122, a cover plate 124 is fixedly connected to the telescopic rods of the two hydraulic cylinders 123, and the cover plate 124 is matched with the opening of the shield 1. The bottom side fixedly connected with connecting rod 13 of apron 124, the bottom side fixedly connected with layer board 14 of connecting rod 13, placed three and be used for holding the dish 15 that holds pitch on layer board 14. Two heating pipes 11 are fixedly arranged in the shield 1, and the heating pipes 11 are used for enhancing the temperature in the shield 1.
As shown in fig. 1 and 2, a suction module 2 is disposed on one side of the console 12, the suction module 2 includes a suction pipe 21, a suction pump 22, and a purification box 24, the purification box 24 is fixedly mounted on the ground on one side of the console 12, the suction pump 22 is fixedly mounted on the top wall of the purification box 24, one end of the suction pipe 21 is communicated with the inside of the shield 1, and the other end of the suction pipe 21 is communicated with an air inlet of the suction pump 22. An exhaust pipe 23 of the suction pump 22 communicates with an intake port of a purge tank 24.
As shown in fig. 2 and 3, the side wall of the purifying box 24 is rotatably connected with a rotating column 6, the rotating column 6 penetrates through the side wall of the purifying box 24, a second sliding groove 61 is formed in the end face of the rotating column 6, which is located at one end of the outer side of the purifying box 24, an annular groove 62 is formed in the inner wall of the second sliding groove 61, and a second driving assembly 8 for driving the rotating column 6 to rotate is arranged in the purifying box 24.
As shown in fig. 2 and 3, the second driving assembly 8 includes a rotating rod 81 and a wind wheel 82, one end of the rotating rod 81 is rotatably connected to the inner side wall of the purification box 24, and the other end of the rotating rod 81 is fixedly connected to one end of the rotating column 6 located in the purification box 24. The wind wheel 82 is fixedly connected to the rotating shaft, and the wind wheel 82 is positioned right below the air inlet of the purifying box 24.
As shown in fig. 3 and 4, an installation groove 241 is opened on an outer side surface of a top wall of the purification box 24, a first through hole 242 is opened on a bottom wall of the installation groove 241, and both ends of the first through hole 242 are respectively communicated with the installation groove 241 and the interior of the purification box 24. Be provided with the purification subassembly 3 that is used for purifying the gas in the purifying box 24, purification subassembly 3 includes installing frame 31, active carbon plate 32, sealing plate 33 and handle 34, and installing frame 31 sliding connection is in the inner wall of first through-hole 242, and installing frame 31 and the laminating of the inner wall of purifying box 24 mutually. The activated carbon plate 32 is fixedly mounted on the inner circumferential surface of the mounting frame 31 through bolts, the sealing plate 33 is fixedly connected to the top side frame of the mounting frame 31, the sealing plate 33 is in plug-in fit with the mounting groove 241 on the purifying box 24, the sealing plate 33 and the inner wall of the mounting groove 241 are hermetically arranged, and the handle 34 is fixedly connected to one side, far away from the mounting frame 31, of the sealing plate 33.
The pitch in guard shield 1 produces toxic gas through the heating, and toxic gas passes through the subassembly 2 of breathing in and discharges into the purifying box 24, and the gas that gets into in the purifying box 24 passes through behind the active carbon plate 32, is discharged by the gas vent of purifying box 24 to play the purpose of purifying toxic gas.
As shown in fig. 3 and 5, the purification box 24 is further provided with a limiting mechanism 4 for fixing the mounting frame 31, a first sliding groove 243 is formed on the side wall of the purification box 24 corresponding to the limiting mechanism 4, the limiting mechanism 4 includes a limiting rod 41, a sliding plate 42, a first spring 43 and a pushing assembly 44, the limiting rod 41 penetrates through the side wall of the purification box 24, and the limiting rod 41 is slidably connected to the side wall of the purification box 24. The limiting rod 41 penetrates the first sliding groove 243, and the mounting frame 31 is provided with a limiting groove 311 for the limiting rod 41 to be inserted and matched. The sliding plate 42 is sleeved on the limiting rod 41, the sliding plate 42 is fixedly connected with the limiting plate 447, and the sliding plate 42 is slidably connected with the first sliding groove 243. The first spring 43 is located in the first sliding groove 243, the first spring 43 is sleeved on the limiting rod 41, one end of the first spring 43 is fixedly connected to the side wall of the first sliding groove 243 far away from the mounting frame 31, and the other end of the first spring 43 is fixedly connected to one side of the sliding plate 42 far away from the mounting frame 31.
As shown in fig. 3 and 5, the pushing assembly 44 includes a first pushing block 441, a second pushing block 442, a moving block 443, a positioning block 444, a guide rod 445, a second spring 446, and a limiting plate 447, wherein the first pushing block 441 is fixedly connected to one end of the limiting rod 41 located outside the purifying box 24. The positioning block 444 is fixedly connected to the outer side surface of the purifying box 24, the guide rod 445 is of a rectangular rod-shaped structure, one end of the guide rod 445 is fixedly connected to the positioning block 444, the moving block 443 is sleeved on the guide rod 445, and the moving block 443 is slidably connected to the guide rod 445. The second pushing block 442 is fixedly connected to one side of the moving block 443 close to the limiting rod 41, an inclined surface is arranged on one side of the second pushing block 442 close to the limiting rod 41, an inclined surface is arranged on one side of the first pushing block 441 away from the limiting rod 41, and the inclined surface of the first pushing block 441 is matched with the inclined surface of the second pushing block 442. The second spring 446 is sleeved on the guide rod 445, one end of the second spring 446 is fixedly connected to the positioning block 444, and the other end of the second spring 446 is fixedly connected to the moving block 443. The limiting plate 447 is fixedly connected to the outer side surface of the purifying box 24, and the limiting plate 447 is fixedly connected to one end of the guide rod 445 far away from the positioning block 444.
When the mounting frame 31 needs to be fixed, the moving block 443 is moved, the moving block 443 moves to drive the second pushing block 442 to move, the second pushing block 442 moves to push the first pushing block 441 to move, the first pushing block 441 moves to drive the limiting rod 41 to move, and the limiting rod 41 can be inserted into the limiting groove 311 on the mounting frame 31 in the process, so that the purpose of fixing and mounting is achieved. When external force is not applied to the moving block 443 any longer, due to the elastic force of the second spring 446, the second spring 446 pulls the moving block 443 to move, the moving block 443 drives the second pushing block 442 to move, and in the moving process of the second pushing block 442, the first spring 43 pulls the sliding plate 42 to move, and the sliding plate 42 moves to drive the limiting rod 41 to move, so that the limiting rod 41 is separated from the limiting groove 311, and the fixing effect on the mounting frame 31 is released.
As shown in fig. 3 and 6, the purge box 24 is provided with a first driving assembly 5 for pulling the moving block 443 to move, the first driving assembly 5 includes a pulling rope 51, a wire rewinding roller 52, a driving shaft 53 and a pulley 54, one end of the driving shaft 53 is located in the second sliding slot 61 of the rotating column 6, and the driving shaft 53 is in clearance fit with the inner side wall of the second sliding slot 61. The take-up roller 52 is fixedly connected to the driving shaft 53, one end of the pull rope 51 is fixedly connected to the side of the moving block 443 away from the positioning block 444, and the other end of the pull rope 51 is fixedly connected to the outer peripheral surface of the take-up roller 52. The pulley 54 is rotatably connected to a side wall of the purge tank 24, and the rope 51 is attached to an outer peripheral surface of the pulley 54.
As shown in fig. 6 and 7, a connecting mechanism 7 for connecting the driving shaft 53 is provided in the rotating column 6, the connecting mechanism 7 includes a fixing ring 71, a first limiting block 72, a guide block 73, a third spring 74, a second limiting block 75 and a reset assembly 76, the fixing ring 71 is fixedly connected to the inner side wall of the annular groove 62, the first limiting blocks 72 are multiple, the longitudinal sections of the first limiting blocks 72 are fan-shaped, the first limiting blocks 72 are uniformly distributed along the circumferential direction of the fixing ring 71, and the first limiting blocks 72 are fixedly connected to the inner circumferential surface of the fixing ring 71. The driving shaft 53 is provided with a third sliding groove 531, the guide block 73 is slidably connected to the inner wall of the third sliding groove 531 along the radial direction of the driving shaft 53, the third spring 74 is arranged in the third sliding groove 531, one end of the third spring 74 is fixedly connected to the bottom of the third sliding groove 531, and the other end of the third spring 74 is fixedly connected to one side of the guide block 73 close to the axial lead of the driving shaft 53. The longitudinal section of the second limiting block 75 is an isosceles triangle, and the second limiting block 75 is fixedly connected to one side of the guide block 73 far away from the third spring 74. A gap is formed between two adjacent first stoppers 72, and the second stopper 75 is matched with the gap between two adjacent first stoppers 72.
Combine fig. 3, for the convenience of drive stay cord 51 removes, it rotates post 6 to rotate through the 8 drive of second drive assembly earlier, rotate post 6 pivoted in-process, it rotates solid fixed ring 71 that drives to rotate post 6, gu fixed ring 71 rotates and drives a plurality of first stoppers 72 and rotate, a plurality of first stoppers 72 rotate and can drive second stopper 75 and rotate, second stopper 75 rotates and drives guide block 73 and rotate, guide block 73 rotates and drives drive shaft 53 and rotate, drive shaft 53 rotates and drives receipts line roller 52 and rotate, receive line roller 52 and rotate pulling stay cord 51 and remove, and then make and rotate post 6 pivoted in-process and can drive shaft 53 and rotate. When the pulling rope 51 can not pull the moving block 443 to move any more, because part of the pulling rope 51 is wound on the wire winding roller 52, the wire winding roller 52 can not rotate any more, and the driving shaft 53 can not rotate any more, at this time, because the inclined surfaces at the two sides of the second limiting block 75 and the inclined surfaces at the two sides of the first limiting block 72 act, the first limiting block 72 can push the second limiting block 75 to move into the third sliding groove 531; in the process that the fixing ring 71 continues to rotate, the third spring 74 pushes the guide block 73 to move due to the elastic force of the third spring 74, and the guide block 73 moves to drive the second limit block 75 to move, so that the second limit block 75 moves to the next gap, and the second limit block 75 reciprocates.
As shown in fig. 3 and 6, the reset assembly 76 includes a push plate 761, a fourth spring 762, and a rotating plate 763, wherein the push plate 761 is rotatably connected to one end of the driving shaft 53 away from the rotating rod 81, the rotating plate 763 is rotatably connected to an inner wall of the second sliding groove 61 near one side of the rotating rod 81, the fourth spring 762 is located in the second sliding groove 61, one end of the fourth spring 762 is fixedly connected to the rotating plate 763, and the other end of the fourth spring 762 is fixedly connected to one end of the driving shaft 53 near the rotating rod 81.
The implementation principle of the asphalt softening point tester in the embodiment of the application is as follows: when asphalt in the shield 1 starts to be heated, the air suction pump 22 is started firstly, so that the air suction pump 22 sucks gas in the shield 1 through the air suction pipe 21, the gas passing through the air suction pump 22 is introduced into the purification box 24 through the exhaust pipe 23 of the air suction pump 22, and the gas in the purification box 24 is purified and then discharged through the purification component 3, so that the aim of conveniently absorbing toxic gas generated after the asphalt is heated is fulfilled.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An asphalt softening point tester, includes guard shield (1), its characterized in that: one side of the shield (1) is provided with an air suction assembly (2), the air suction assembly (2) comprises an air suction pipe (21), an air suction pump (22) and a purification box (24), the purification box (24) is fixedly arranged on the ground on one side of the shield (1), the air suction pump (22) is fixedly arranged on the purification box (24), one end of the air suction pipe (21) is communicated with the shield (1), an air inlet of the air suction pump (22) is communicated with the air suction pipe (21), and an exhaust pipe (23) of the air suction pump (22) is communicated with an air inlet of the purification box (24); a purification component (3) for purifying gas is arranged in the purification box (24).
2. The asphalt softening point tester according to claim 1, wherein: the outer side surface of the purification box (24) is provided with a mounting groove (241), the bottom side of the mounting groove (241) is provided with a first through hole (242), the purification component (3) comprises a mounting frame (31), an activated carbon plate (32) and a sealing plate (33), the mounting frame (31) is connected to the first through hole (242) in a sliding mode, and the mounting frame (31) is attached to the inner wall of the purification box (24); the activated carbon plate (32) is fixedly arranged on the inner circumferential surface of the mounting frame (31), and the activated carbon plate (32) is positioned between the air inlet and the air outlet of the purification box (24); the sealing plate (33) is fixedly connected to the mounting frame (31), the sealing plate (33) is in plug fit with the mounting groove (241) of the purifying box (24), and the sealing plate (33) and the side wall of the mounting groove (241) are arranged in a sealing mode; and the purification box (24) is provided with a limiting mechanism (4) for fixing the installation frame (31).
3. The asphalt softening point tester according to claim 2, wherein: the inner side wall of the purification box (24) is provided with a first sliding groove (243), the mounting frame (31) is provided with a limiting groove (311) corresponding to the first sliding groove (243), the limiting mechanism (4) comprises a limiting rod (41), a sliding plate (42) and a first spring (43), the limiting rod (41) penetrates through the side wall of the purification box (24), the limiting rod (41) is in inserted fit with the limiting groove (311) of the mounting frame (31), and the limiting rod (41) is connected to the side wall of the purification box (24) in a sliding mode; the sliding plate (42) is fixedly connected to the limiting rod (41), the sliding plate (42) is connected to the inner wall of the first sliding chute (243) in a sliding mode, the first spring (43) is sleeved on the limiting rod (41), one end of the first spring (43) is fixedly connected to the inner wall of the first sliding chute (243), and the other end of the first spring (43) is fixedly connected to the sliding plate (42); the limiting mechanism (4) further comprises a pushing assembly (44) used for driving the limiting rod (41) to move.
4. The asphalt softening point tester according to claim 3, wherein: the pushing assembly (44) comprises a first pushing block (441), a second pushing block (442), a moving block (443), a positioning block (444), a guide rod (445) and a second spring (446), the first pushing block (441) is fixedly connected to one end, located outside the purifying box (24), of the limiting rod (41), and an inclined surface is arranged on one side, away from the limiting rod (41), of the first pushing block (441); the positioning block (444) is fixedly connected to the outer side face of the purification box (24), the guide rod (445) is fixedly connected to the positioning block (444), the moving block (443) is connected to the guide rod (445) in a sliding mode, the second pushing block (442) is fixedly connected to one side, close to the limiting rod (41), of the moving block (443), an inclined face is arranged on one side, close to the limiting rod (41), of the second pushing block (442), and the inclined face of the first pushing block (441) is matched with the inclined face of the second pushing block (442); the second spring (446) is sleeved on the guide rod (445), one end of the second spring (446) is fixedly connected to the positioning block (444), and the other end of the second spring (446) is fixedly connected to the moving block (443).
5. The asphalt softening point tester according to claim 4, wherein: the cleaning box (24) is provided with a first driving assembly (5) for pulling the moving block (443) to move, the first driving assembly (5) comprises a pull rope (51), a wire collecting roller (52) and a driving shaft (53), the driving shaft (53) is rotatably installed on the cleaning box (24), the wire collecting roller (52) is fixedly connected to the driving shaft (53), one end of the pull rope (51) is fixedly connected to the outer peripheral surface of the wire collecting roller (52), and the other end of the pull rope (51) is fixedly connected to one side, away from the second spring (446), of the moving block (443).
6. The asphalt softening point tester according to claim 5, wherein: the purification box (24) is rotatably connected with a rotating column (6), the rotating column (6) penetrates through the side wall of the purification box (24), a second sliding groove (61) is formed in the rotating column (6), an annular groove (62) is formed in the inner side wall of the second sliding groove (61), one end of the driving shaft (53) is located in the second sliding groove (61), and the driving shaft (53) is in clearance fit with the inner side wall of the second sliding groove (61); and a connecting mechanism (7) for connecting a driving shaft (53) is arranged in the rotating column (6).
7. The asphalt softening point tester according to claim 6, wherein: the connecting mechanism (7) comprises a fixing ring (71), first limiting blocks (72), guide blocks (73), a third spring (74) and second limiting blocks (75), the fixing ring (71) is fixedly connected to the inner side wall of the annular groove (62), the first limiting blocks (72) are multiple, the first limiting blocks (72) are uniformly distributed along the circumferential direction of the annular groove (62), the first limiting blocks (72) are fixedly connected to the inner circumferential surface of the fixing ring (71), and a gap is formed between every two adjacent first limiting blocks (72); a third sliding groove (531) is formed in the driving shaft (53), the guide block (73) is connected to the third sliding groove (531) in a sliding mode, the second limiting block (75) is fixedly connected to the guide block (73), and the second limiting block (75) is matched with a gap between every two adjacent first limiting blocks (72); one end of the third spring (74) is fixedly connected to the bottom of the third sliding groove (531), and the other end of the third spring (74) is fixedly connected to the guide block (73); the longitudinal sections of the first limiting blocks (72) are all fan-shaped, and the longitudinal section of the second limiting block (75) is an isosceles triangle; the coupling mechanism (7) further comprises a reset assembly (76) for resetting the drive shaft (53).
8. The asphalt softening point tester according to claim 7, wherein: reset assembly (76) include push pedal (761), fourth spring (762) and swivel plate (763), push pedal (761) rotate to be connected in drive shaft (53) and lie in the outer one end of second spout (61), swivel plate (763) rotate to be connected in the inner wall of keeping away from push pedal (761) one side of second spout (61), the one end fixed connection of fourth spring (762) is in drive shaft (53), the other end fixed connection of fourth spring (762) is in swivel plate (763).
9. The asphalt softening point tester according to claim 8, wherein: a second driving assembly (8) used for driving the rotating column (6) to rotate is further arranged in the purifying box (24), the second driving assembly (8) comprises a rotating rod (81) and a wind wheel (82), one end of the rotating rod (81) is rotatably connected to the inner side wall of the purifying box (24), and the other end of the rotating rod (81) is fixedly connected to the rotating column (6); the wind wheel (82) is fixedly connected to the rotating rod (81), and the wind wheel (82) is located right below an air inlet of the purifying box (24).
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| CN202110674210.9A CN113281372B (en) | 2021-06-17 | 2021-06-17 | Asphalt softening point tester |
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| CN113281372B (en) | 2022-07-22 |
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