CN111964727A - Testing arrangement that simulation pitch was laid - Google Patents
Testing arrangement that simulation pitch was laid Download PDFInfo
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- CN111964727A CN111964727A CN202010878031.2A CN202010878031A CN111964727A CN 111964727 A CN111964727 A CN 111964727A CN 202010878031 A CN202010878031 A CN 202010878031A CN 111964727 A CN111964727 A CN 111964727A
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- Prior art keywords
- winding
- asphalt
- pitch
- synchronizing wheel
- thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/026—Cantilever type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a testing device for simulating asphalt pavement, which comprises a rack, and an asphalt extrusion die head and a thickness measuring mechanism which are arranged on the rack, wherein the extrusion die head is connected with an asphalt storage heating device, two sides of the rack along the length direction are respectively provided with an uncoiling mechanism and a coiling mechanism, the uncoiling mechanism is provided with a whole coil, the coil sequentially passes through the asphalt extrusion die head and the thickness measuring mechanism and then is connected with the coiling mechanism, and the coiling mechanism can drive the coil to move along the length direction of the rack. The invention has the following beneficial effects: adopt testing arrangement to carry out the simulation test, can obtain the relation between the flow pressure of pitch, the temperature of pitch and laying speed and thickness and the degree of consistency, adjustable pressure, temperature and the parameter of laying speed when adopting construction equipment to lay pitch for the pitch of laying reaches specified thickness and degree of consistency, improves the effect of laying of pitch, improves the efficiency of construction, and reduction in production cost ensures staff's health.
Description
Technical Field
The invention relates to the technical field of asphalt construction measuring devices, in particular to a testing device for simulating asphalt pavement.
Background
Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material, the asphalt is mainly used for industries such as coating, plastics, rubber and the like and paving road surfaces and the like, construction equipment is adopted to lay the asphalt on a construction surface, the thickness and the uniformity of the asphalt laying can be influenced by the flowing pressure of the asphalt, the temperature of the asphalt and the laying speed, and in the prior art, because a testing device is lacked to test the relationship between the flowing pressure of the asphalt, the temperature of the asphalt, the laying speed and the thickness and the uniformity of the asphalt laying, the thickness and the uniformity of the asphalt laying need to be checked in the asphalt construction process, a worker digs a detection point to measure the section of the asphalt, finally backfills and supplements the asphalt at a place with insufficient thickness, and the construction method has the following defects: 1. the reading of manual measurement has large error, and the temperature of the asphalt which is just laid is high, the volatilization concentration of toxic gas is high, and the health of workers is harmed; 2. when a detection point is dug, the bottom is not easy to clean, so that the measurement data is wrong, and the flatness of the asphalt surface is influenced after backfilling; 3. the construction efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a testing device for simulating asphalt pavement, which comprises a rack, an asphalt extrusion die, a thickness measuring mechanism, an uncoiling mechanism and a coiling mechanism, and has the advantages of testing the relationship between asphalt flowing pressure, asphalt temperature, pavement speed, thickness and uniformity, improving construction efficiency, reducing production cost and ensuring the health of workers.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a testing arrangement that simulation pitch was laid, includes the frame and sets up pitch extrusion die and thickness measurement mechanism in the frame, pitch extrusion die is connected with pitch storage heating device, is located the frame is equipped with unwinding mechanism and winding mechanism respectively along length direction's both sides, the last whole roll coiled material that is equipped with of unwinding mechanism, the coiled material passes through in proper order pitch extrusion die reaches behind the thickness measurement mechanism with winding mechanism connects, winding mechanism can drive the coiled material is followed the length direction of frame removes.
As preferred, thickness measurement mechanism includes the laser thickness gauge, works as when the laser thickness gauge sends the laser beam, the laser beam with be located in the frame coiled material mutually perpendicular, through setting up like this, the laser thickness gauge can adopt line measurement or multiple spot measuring mode, with the frame supports the face of coiled material is the reference surface, the laser thickness gauge sends the thickness that the laser beam detected pitch, because the thickness of coiled material is very thin negligible, the laser thickness gauge adopts non-contact's measurement mode, and it is more accurate to contact formula thickness gauge mutually, can not lose the precision because of wearing and tearing.
Preferably, the frame is provided with a thickness measuring support, the thickness measuring support is provided with a driving synchronizing wheel and a driven synchronizing wheel, the driving synchronizing wheel and the driven synchronizing wheel are sleeved with a synchronous belt, the driving synchronizing wheel is connected with a hand wheel, the laser thickness measuring instrument is connected with the thickness measuring support in a sliding manner, and the laser thickness measuring instrument is fixedly connected with the synchronous belt, through the arrangement, as the laser thickness measuring instrument adopts a multi-point measurement or line measurement mode, but cannot completely cover the width of the asphalt even adopting a line measurement mode, in the test process, the driving synchronizing wheel can be driven to rotate by the hand wheel, the driving synchronizing wheel and the driven synchronizing wheel jointly drive the synchronizing wheel to rotate, and finally the synchronizing wheel drives the laser thickness measuring instrument to adjust along the width direction of the frame, so that the laser thickness measuring instrument measures the thickness of the asphalt at different positions, the accuracy of measurement is improved.
Preferably, the frame is provided with a thickness measuring support, the thickness measuring support is provided with a driving synchronizing wheel, a driven synchronizing wheel and an adjusting motor, the adjusting motor is connected with the driving synchronizing wheel, the driving synchronizing wheel and the driven synchronizing wheel are sleeved with a synchronous belt, the laser thickness gauge is connected with the thickness measuring support in a sliding manner, the laser thickness gauge is fixedly connected with the synchronous belt, through the arrangement, as the laser thickness gauge adopts a multi-point measurement or line measurement mode, the width of asphalt cannot be completely covered even if a line measurement mode is adopted, in the test process, the adjusting motor drives the driving synchronizing wheel to rotate, the driving synchronizing wheel and the driven synchronizing wheel jointly drive the synchronizing wheel to rotate, and finally the synchronizing wheel drives the laser thickness gauge to adjust along the width direction of the frame, the laser thickness gauge is used for measuring the thickness of the asphalt at different positions, the measuring accuracy is improved, and the automation degree is high.
Preferably, the winding mechanism comprises a winding support, a winding motor and a winding shaft, the winding motor and the winding shaft are arranged on the winding support, the winding motor is connected with the winding shaft, the coiled material is wound outside the winding shaft, and the winding shaft is driven by the winding motor to rotate, so that the coiled material is continuously wound outside the winding shaft and is driven by the coiled material to move along the length direction of the rack, the coiled material moves relative to the asphalt extrusion die head, and the movement is relative, namely the asphalt extrusion die head moves relative to the coiled material, so that the asphalt laying process is simulated, and the winding speed is adjusted by adjusting the rotating speed of the winding motor, so that the winding speed is adjusted, and the laying speed is finally adjusted.
Preferably, the unwinding mechanism comprises an unwinding support, an unwinding shaft and a brake, the unwinding shaft and the brake are arranged on the unwinding support, the whole coil is arranged outside the unwinding shaft, the brake is connected with the unwinding shaft, through the arrangement, when the winding mechanism drives the coil to move along the length direction of the rack, the unwinding shaft passively rotates to release the coil, and when the winding mechanism reduces the winding speed or stops working, the brake reduces or stops the rotation speed of the unwinding shaft, so that the unwinding shaft is prevented from continuously rotating at the rotation speed before reduction or stop under the action of inertia, and the coil is ensured to be in a tense state all the time.
Preferably, the rack is further provided with an air cooling mechanism, the air cooling mechanism is positioned between the asphalt extrusion die head and the thickness measuring mechanism, the air cooling mechanism comprises a fan and a shell, the fan is arranged in the shell, an air inlet and an air outlet are arranged on the shell, the air outlet faces the coiled material on the rack, through the arrangement, the fan works to accelerate the flowing speed of the gas, the gas flows out of the air outlet and flows towards the coiled material on the rack after flowing in from the air inlet, move towards pitch promptly, through the heat transfer effect, improve the cooling efficiency of pitch, because expend with heat and contract with cold and keep away from, pitch after the cooling can produce the shrink effect, is equipped with air cooling mechanism guarantees that pitch is being carried extremely complete cooling before the thickness measurement mechanism improves the precision of thickness measuring.
Preferably, the machine frame is further provided with a speed measuring mechanism, the speed measuring mechanism is positioned between the asphalt extrusion die head and the air cooling mechanism, the speed measuring mechanism comprises a speed measuring encoder and a touch wheel, the speed measuring encoder is connected with the touch wheel, the touch wheel is pressed against the asphalt, the winding mechanism comprises a winding motor and a winding shaft, the winding motor is connected with the winding shaft, the speed measuring encoder is electrically connected with the winding motor, and through the arrangement, when the winding motor drives the winding shaft to rotate for winding, the winding radius of the winding shaft is increased along with the continuous winding of the coiled material outside the winding shaft, when the rotating speed of the winding motor is unchanged, the moving speed of the coiled material is gradually increased, namely the laying speed of the asphalt is increased, so that the test accuracy is reduced; but be equipped with speed measurement mechanism, because the conflict wheel is contradicted on pitch, the coiled material can drive during the removal the conflict wheel rotates, finally the conflict wheel drives speed encoder's pivot is rotated, speed encoder real-time measurement the travelling speed of coiled material feeds back to rolling motor, thereby the adjustment rolling motor's rotational speed guarantees the travelling speed of coiled material is invariable, lays speed invariant promptly, improves the precision of test.
As preferred, still be equipped with water cooling body in the frame, water cooling body is located speed measurement mechanism with between the air-cooled mechanism, water cooling body includes the shower nozzle, the shower nozzle orientation is located in the frame the coiled material, through setting up like this, the shower nozzle sprays the cooling water on pitch, further improves the cooling efficiency of pitch, guarantees that pitch removes extremely complete cooling has been avoided during speed measurement mechanism the conflict wheel with during the pitch is contradicted, pitch glues to touch on the wheel.
Preferably, the rack is further provided with a plurality of roller shaft mechanisms, the roller shaft mechanisms are arranged at intervals along the length direction of the rack, and one side, close to the uncoiling mechanism, of the rack is provided with a plurality of roller shaft mechanisms along the height direction; on the other hand, the coiled material bypasses the roller mechanism which is positioned on one side of the rack close to the uncoiling mechanism, so that the coiled material can be further ensured to be always in a tensioned state.
Compared with the prior art, the invention has the beneficial technical effects that:
adopt testing arrangement carries out the simulation test, can obtain the relation between the flow pressure of pitch, the temperature of pitch, laying speed and thickness and the degree of consistency, and adjustable pressure, temperature, laying speed parameter when adopting construction equipment to lay pitch for the pitch of laying reaches specified thickness and degree of consistency, improves the laying effect of pitch, need not rethread manual detection and follow-up backfill and repair process, improves the efficiency of construction, reduction in production cost, and the guarantee staff is healthy.
Drawings
FIG. 1 is a schematic isometric view of a test apparatus according to an embodiment of the present invention;
FIG. 2 is an isometric view of an alternate view of the embodiment of the present invention from FIG. 1;
FIG. 3 is an enlarged partial view of portion A of FIG. 1 illustrating an embodiment of the present invention;
FIG. 4 is an enlarged partial view of portion B of FIG. 1 illustrating an embodiment of the present invention;
FIG. 5 is an enlarged partial view of section C of FIG. 2 illustrating an embodiment of the present invention;
FIG. 6 is an enlarged partial schematic view of section D of FIG. 2 illustrating an embodiment of the present invention;
fig. 7 is a partially enlarged view of portion E of fig. 2 according to the embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a frame; 11. a frame; 12. a work table; 2. an asphalt extrusion die head; 3. an air cooling mechanism; 31. an air-cooled support; 32. a housing; 4. a water cooling mechanism; 41. a water-cooled support; 42. a spray head; 5. a speed measuring mechanism; 51. a speed measuring encoder; 52. a contact wheel; 53. a fixed mount; 54. a connecting plate; 6. a thickness measuring mechanism; 61. a thickness measuring bracket; 62. a driving synchronizing wheel; 63. a driven synchronizing wheel; 64. a synchronous belt; 65. a hand wheel; 66. a laser thickness gauge; 67. a slider; 68. a guide rail; 69. connecting blocks; 7. an uncoiling mechanism; 71. unwinding the reel; 72. a brake; 73. uncoiling a support; 74. a coil stock; 75. a gear; 8. a winding mechanism; 81. a winding motor; 82. a speed reducer; 83. a winding shaft; 84. a driven sprocket; 85. a chain; 86. winding a support; 9. an asphalt storage heating device; 91. an asphalt storage barrel; 92. a first pump body; 93. an asphalt heating box; 94. a second pump body; 10. a roll shaft mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1 to 7, the embodiment discloses a testing device for simulating asphalt paving, which includes a frame 1, an asphalt extrusion die head 2 and a thickness measuring mechanism 6, the asphalt extrusion die head 2 and the thickness measuring mechanism 6 are respectively disposed on two sides of the frame 1 along the length direction, the frame 1 includes a frame 11 and a workbench 12 disposed on the frame 11, the asphalt extrusion die head 2 is connected to the frame 11 through a die head support, the asphalt extrusion die head and the thickness measuring mechanism 6 are both disposed above the workbench 12, an inlet of the asphalt extrusion die head 2 is connected to an asphalt storage and heating device 9, an outlet direction of the asphalt extrusion die head 2 is perpendicular to an upper surface of the workbench 12, and the asphalt storage and heating device 9 can adjust the temperature and pressure when the asphalt flows to the asphalt extrusion die head 2 by adjusting parameters, specifically, the asphalt storage device includes an asphalt storage barrel 91, An outlet of the asphalt storage barrel 91 is connected with an inlet of the first pump body 92, an outlet of the first pump body 92 is connected with an inlet of the asphalt heating barrel 93, an outlet of the asphalt heating barrel 93 is connected with an inlet of the second pump body 94, an outlet of the second pump body 94 is connected with an inlet of the asphalt extrusion die head, preheated asphalt is poured into the asphalt storage barrel 91 and is conveyed into the asphalt heating barrel 93 through the first pump body 92, the asphalt heating barrel 93 can set a heating temperature, the heated asphalt is conveyed into the asphalt extrusion die head 2 by the second pump body 94, the flow pressure of the asphalt can be adjusted by adjusting the pump pressure of the second pump body 94, an uncoiling mechanism 7 and a coiling mechanism 8 are respectively arranged on two sides of the rack 1 along the length direction, the uncoiling mechanism 7 is arranged on one side close to the asphalt extrusion die head 2, the coiling mechanism 8 is arranged on one side close to the thickness measuring mechanism 6, the uncoiling mechanism 7 is provided with a whole coil 74, the coil 74 sequentially passes through the asphalt extrusion die head 2 and the thickness measuring mechanism 6 and then is connected with the coiling mechanism 8, and the coiling mechanism 8 can drive the coil 74 to move along the length direction of the rack 1.
Adopt testing arrangement to carry out the simulation test, can obtain the relation between the flow pressure of pitch, the temperature of pitch, laying speed and thickness and the degree of consistency, adjustable pressure, temperature, laying speed parameter when adopting construction equipment to lay pitch for the pitch of laying reaches specified thickness and degree of consistency, improves the laying effect of pitch, need not rethread manual detection and follow-up backfill and repair process, improves the efficiency of construction, reduction in production cost, the guarantee staff is healthy.
Referring to fig. 5, in the present embodiment, the thickness measuring mechanism 6 includes a laser thickness gauge 66, the laser thickness gauge 66 may use a line measurement mode or a multi-point measurement mode, when the laser thickness gauge 66 emits a laser beam, the laser beam is perpendicular to the coil 74 on the rack 1, a surface of the rack 1 supporting the coil 74 is used as a reference surface, that is, an upper surface of the worktable 12 is used as a reference surface, the laser thickness gauge 66 emits a laser beam to detect a thickness of the asphalt laid on the coil 74, and since the thickness of the coil 74 is very thin and negligible, the laser thickness gauge 66 uses a non-contact measurement mode, which is more accurate with respect to a contact type thickness gauge and does not lose accuracy due to abrasion.
Referring to fig. 5, in this embodiment, a thickness measuring bracket 61 is disposed on the frame 1, the thickness measuring bracket 61 is disposed on the worktable 12, a driving synchronizing wheel 62 and a driven synchronizing wheel 63 are disposed on the thickness measuring bracket 61, the driving synchronizing wheel 62 and the driven synchronizing wheel 63 are spaced apart along the width direction of the frame 1, the axes of the driving synchronizing wheel 62 and the driven synchronizing wheel 63 are both parallel to the length direction of the frame 1, a synchronizing belt 64 is disposed outside the driving synchronizing wheel 62 and the driven synchronizing wheel 63, the driving synchronizing wheel 62 is connected with a hand wheel 65, specifically, the hand wheel 65 is coaxially connected with the driving synchronizing wheel 62, the hand wheel 65 is fixedly connected with the driving synchronizing wheel 62 through a key, a laser thickness measuring instrument 66 is slidably connected with the thickness measuring bracket 61, the laser thickness measuring instrument 66 is fixedly connected with the synchronizing belt 64, specifically, a guide rail 68 is disposed on the thickness measuring bracket 61, the guide rail 68 extends along the width direction of the frame 1, a slide block 67 is, laser thickness gauge 66 passes through connecting block 69 and slider 67 fixed connection, connecting block 69 passes through bolt and nut fixed connection with hold-in range 64, because laser thickness gauge 66 is the mode of multiple spot measurement or line measurement, but even adopt the width that line measurement's mode also can not cover the pitch on being located coiled material 74 completely, at the in-process of test, accessible hand wheel 65 drive initiative synchronizing wheel 62 rotates, initiative synchronizing wheel 62 rotates with driven synchronizing wheel 63 combined action drive synchronizing wheel, final synchronizing wheel drives laser thickness gauge 66 and adjusts along the width direction of frame 1, make laser thickness gauge 66 measure the thickness of pitch different positions, improve the measuring precision.
Further, the connection mode of the driving synchronizing wheel 62 and the thickness measuring support 61 is a conventional technology, which is not described herein again, referring to fig. 5, a straight slot hole is formed in the thickness measuring support 61, the straight slot hole extends along the width direction of the workbench 12, a driven shaft is arranged in the thickness measuring support 61, the driven shaft is connected with the thickness measuring support 61 in a sliding manner, the driven synchronizing wheel 63 is sleeved outside the driven shaft, and the driven shaft can be adjusted in a sliding manner along the length direction of the straight slot hole relative to the thickness measuring support 61, so that the driven synchronizing wheel 63 is driven to be adjusted relative to the thickness measuring support 61, and the installation of the synchronizing belt 64 and the tightness degree of the synchronizing belt 64; specifically, a threaded hole is formed in the driven shaft, the axis of the threaded hole is perpendicular to the axis of the driven shaft, the thickness measuring support 61 is provided with a through hole, a screw penetrates through the through hole and then is in threaded connection with the threaded hole, the driven shaft and the thickness measuring support 61 are fixed relatively under normal conditions, and when the screw is rotated, the driven shaft is driven to slide and adjust along the length direction of the straight slot hole through the matching of the screw and the threaded hole; preferably, the driven shaft is equipped with the tangent plane of two parallels including the sliding section of embedding straight flute downthehole, sliding section, and the axis parallel arrangement of tangent plane and screw hole, and when sliding section embedding straight flute was downthehole, the driven shaft was the face contact with thickness measuring support 61, has played certain supporting role to the driven shaft to restricted the driven shaft and rotated around the axis, be convenient for the screw pass behind the through-hole with screw hole threaded connection.
Not shown in the figures, in an embodiment, the frame 1 is provided with a thickness measuring bracket 61, the thickness measuring bracket 61 is arranged on the worktable 12, the thickness measuring bracket 61 is provided with a driving synchronizing wheel 62, a driven synchronizing wheel 63 and an adjusting motor, the driving synchronizing wheel 62 and the driven synchronizing wheel 63 are arranged at intervals along the width direction of the frame 1, the axes of the driving synchronizing wheel 62 and the driven synchronizing wheel 63 are both parallel to the length direction of the frame 1, the output shaft of the adjusting motor is coaxially and fixedly connected with the driving synchronizing wheel 62 through a key, a synchronous belt 64 is sleeved outside the driving synchronizing wheel 62 and the driven synchronizing wheel 63, the laser thickness measuring instrument 66 is slidably connected with the thickness measuring bracket 61, the laser thickness measuring instrument 66 is fixedly connected with the synchronous belt 64, the connection mode is the same as that described above, and will not be described herein again, since the laser thickness measuring instrument 66 is a multi-point measurement mode or a line measurement mode, but even if the line measurement mode is adopted, the width of asphalt on the, in the process of test, the adjusting motor drives the driving synchronizing wheel 62 to rotate, the driving synchronizing wheel 62 and the driven synchronizing wheel 63 jointly drive the synchronizing wheel to rotate, and finally the synchronizing wheel drives the laser thickness gauge 66 to adjust along the width direction of the rack 1, so that the laser thickness gauge 66 measures the thickness of asphalt at different positions, the measuring accuracy is improved, and the degree of automation is high. Referring to fig. 3, in this embodiment, the winding mechanism 8 includes a winding support 86, a winding motor 81 and a winding shaft 83 which are disposed on the winding support 86, the winding support 86 is disposed on one side of the rack 1 along the length direction and is close to one side of the thickness measuring mechanism 6, the winding motor 81 is connected to the winding shaft 83, specifically, a speed reducer 82 is further disposed on the winding support 86, axes of an output shaft of the winding motor 81, the speed reducer 82 and the winding shaft 83 are perpendicular to the length direction of the rack 1, the speed reducer 82 is disposed between the winding motor 81 and the winding shaft 83, the output shaft of the winding motor 81 is connected to an input end of the speed reducer 82, an output end of the speed reducer 82 is provided with a driving sprocket, the winding shaft 83 is disposed in the winding support 86, a rolling bearing is disposed between the winding shaft 83 and the winding support 86 to reduce friction between the winding shaft 83 and the winding support 86, a driven sprocket 84 is sleeved, the driving chain wheel and the driven chain wheel 84 are sleeved with a chain 85, a speed reducer 82 is arranged, so that the winding motor 81 can stably drive the winding shaft 83 to rotate, the coiled material 74 is stably driven to move, the chain 85 is adopted for transmission, the transmission precision is ensured, the coiled material 74 is wound outside the winding shaft 83, the winding motor 81 drives the winding shaft 83 to rotate through the speed reducer 82, so that the coiled material 74 is continuously wound outside the winding shaft 83, the coiled material 74 is driven to move along the length direction of the rack 1, the coiled material 74 is driven to move relative to the asphalt extrusion die head 2, the asphalt extrusion die head 2 moves relative to the coiled material 74, the asphalt laying process is simulated, the winding motor 81 is a servo motor, the winding speed is adjusted by adjusting the rotating speed of the winding motor 81, and the laying speed is finally adjusted.
Referring to fig. 4, in the present embodiment, the unwinding mechanism 7 includes an unwinding bracket 73, an unwinding shaft 71 disposed on the unwinding bracket 73, and a brake 72, the unwinding bracket 73 is disposed on one side of the frame 1 in the length direction and is a side close to the asphalt extrusion die 2, a whole coil 74 is disposed outside the unwinding shaft 71, the brake 72 is connected to the unwinding shaft 71, specifically, the unwinding shaft 71 is disposed in the unwinding bracket 73, a rolling bearing is disposed between the unwinding shaft 71 and the unwinding bracket 73 to reduce friction between the winding shaft 83 and the winding bracket 86, a gear 75 is disposed at an end of the winding shaft 83 facing the brake 72, the brake 72 is an electromagnetic brake 72, a gear 75 is disposed at an end of the brake 72 connected to the winding shaft 83, the brake 72 is connected to the winding shaft 83 in a meshing manner through the gear 75, when the winding mechanism 8 drives the coil 74 to move in the length direction of the frame 1, the unwinding shaft 71 passively releases the coil, when the winding mechanism 8 reduces the winding speed or stops working, the brake 72 reduces or stops the rotating speed of the unwinding shaft 71, so that the unwinding shaft 71 is prevented from continuously rotating at the rotating speed before deceleration or stop under the action of inertia, and the coiled material 74 is ensured to be in a tightened state all the time.
Referring to fig. 1-2, in this embodiment, an air cooling mechanism 3 is further disposed on the frame 1, the air cooling mechanism 3 is located between the asphalt extrusion die head 2 and the thickness measuring mechanism 6, the air cooling mechanism 3 includes an air cooling support 31, a blower disposed on the air cooling support 31, and a housing 32, the air cooling support 31 is fixedly connected to the frame 11, the blower and the housing 32 are located above the worktable 12, the blower is disposed in the housing 32, the housing 32 is provided with an air inlet and an air outlet, the air outlet faces the coiled material 74 located on the frame 1, the blower operates to accelerate the flow rate of the air, the air flows out from the air inlet, flows out from the air outlet and flows toward the coiled material 74 located on the frame 1, i.e., flows toward the asphalt located on the coiled material 74, and the flow direction of the air flowing out from the air outlet is perpendicular to the moving direction of the coiled, because expend with heat and contract with cold and keep away from, pitch after the cooling can produce the shrink effect, is equipped with air cooling mechanism 3 guarantees that pitch cools off completely before carrying to thickness measurement mechanism 6, improves the precision of thickness measuring.
Referring to fig. 6, in this embodiment, a speed measuring mechanism 5 is further disposed on the frame 1, the speed measuring mechanism 5 is located between the asphalt extrusion die head 2 and the air cooling mechanism 3, the speed measuring mechanism 5 includes a speed measuring bracket, a speed measuring encoder 51 and a contact wheel 52 disposed on the speed measuring bracket, the speed measuring bracket is connected to the frame 11, the speed measuring encoder 51 is connected to the contact wheel 52, and the contact wheel 52 is in contact with the asphalt, specifically, the speed measuring bracket includes a fixing frame 53 and a connecting plate 54, one end of the connecting plate 54 is rotatably connected to the fixing frame 53, an axis of a rotary connection between the connecting plate 54 and the fixing frame 53 is perpendicular to a length direction of the frame 1, the speed measuring encoder 51 is fixedly connected to the other end of the connecting plate 54, a rotating shaft of the speed measuring encoder 51 penetrates through the connecting plate 54, and the contact wheel 52 is sleeved outside the rotating, therefore, the collision pressure between the contact wheel 52 and the asphalt is adjusted, the synchronous belt 64 can drive the contact wheel 52 to rotate when the coiled material 74 moves, the winding mechanism 8 comprises a winding motor 81 and a winding shaft 83, the winding motor 81 is connected with the winding shaft 83, the speed measuring encoder 51 is electrically connected with the winding motor 81, when the winding motor 81 drives the winding shaft 83 to rotate for winding, the winding radius of the winding shaft 83 can be increased along with the fact that the coiled material 74 is continuously wound outside the winding shaft 83, and when the rotating speed of the winding motor 81 is unchanged, the moving speed of the coiled material 74 can be gradually increased, namely the laying speed of the asphalt is improved, so that the test accuracy is reduced; but be equipped with speed measurement mechanism 5, because the conflict of contact wheel 52 on pitch, coiled material 74 can drive the conflict wheel 52 when removing and rotate, and finally the conflict wheel 52 drives speed encoder 51's pivot and rotates, and speed encoder 51 measures the translation rate of coiled material 74 in real time, feeds back to rolling motor 81 to the rotational speed of adjustment rolling motor 81 guarantees that the translation rate of coiled material 74 is invariable, lays speed constancy promptly, improves the precision of test.
Referring to fig. 7, in this embodiment, still be equipped with water cooling mechanism 4 on frame 1, water cooling mechanism 4 is located between speed measurement mechanism 5 and the air-cooled mechanism 3, and water cooling mechanism 4 includes water-cooling support 41 and sets up shower nozzle 42 on water-cooling support 41, and shower nozzle 42 orientation is located frame 1 coiled material 74, shower nozzle 42 spray cooling water on pitch, further improve the cooling efficiency of pitch, guarantee that pitch has cooled down completely when removing to speed measurement mechanism 5, when avoiding contacting wheel 52 and pitch to contradict, pitch glues on contacting wheel 52.
Referring to fig. 1-2, a plurality of roller mechanisms 10 are further arranged on the frame 1, the plurality of roller mechanisms 10 are arranged at intervals along the length direction of the frame 1, and a plurality of roller mechanisms 10 are arranged along the height direction on one side of the frame 1 close to the unwinding mechanism 7, each roller mechanism 10 includes a roller shaft and a bearing with a seat, the roller shafts are arranged in the bearings with the seats in a penetrating manner, the bearings with the seats are connected with the frame 11, and the axial lines of the roller shafts are perpendicular to the length direction of the frame 1, on one hand, the arrangement of the roller mechanisms 10 can reduce friction between the coiled material 74 and the frame 1, so that the coiled material 74 can move more smoothly; on the other hand, the web 74 is wound around the roller mechanism 10 on the side of the frame 1 close to the unwinding mechanism 7, which further ensures that the web 74 is always in a tensioned state.
The application process of the embodiment of the invention comprises the following steps:
when the testing device is used for testing, the winding motor 81 drives the winding shaft 83 to rotate at a set rotating speed, the coiled material 74 is continuously wound outside the winding shaft 83, so that the coiled material 74 moves along the length direction of the rack 1, the asphalt storage heating device 9 flows to the asphalt extrusion die head 2 at a set temperature and pressure, flows out of the outlet of the asphalt extrusion die head 2 and is laid on the coiled material 74, so that the simulated asphalt is laid on a construction surface, then the fan accelerates the gas flow speed, the gas flows out of the outlet wind of the shell 32 towards the coiled material 74, the cooling efficiency of the asphalt on the coiled material 74 is accelerated, then the spray head 42 sprays cooling water on the asphalt on the coiled material 74 to further accelerate the cooling efficiency of the asphalt, when the asphalt passes through the speed measuring mechanism 5, the abutting wheel 52 is driven to rotate, the abutting wheel 52 drives the rotating shaft of the speed measuring encoder 51 to rotate, and the speed measuring, namely the laying speed of the asphalt, and finally, when the asphalt passes through the thickness measuring mechanism 6, the laser thickness gauge 66 emits a laser beam, the height difference between the upper surface of the asphalt and the upper surface of the workbench 12 is measured by taking the upper surface of the workbench 12 as a reference surface, namely the laying thickness of the asphalt, the thickness of the coiled material 74 is negligible, and the thicknesses of the asphalt at a plurality of positions can be measured by adjusting the position of the laser thickness gauge 66 along the width direction of the rack 1 and the laser thickness gauge 66 through line measurement or multipoint measurement, so that the uniformity of the asphalt laying is detected; the rotating speed of the winding motor 81 and the temperature and pressure of the asphalt flowing out of the asphalt storage heating device 9 are continuously adjusted, namely the laying speed, the temperature and the pressure of the asphalt are adjusted, the thickness and the uniformity of asphalt laying are detected, the laying speed is 8-12m/min, the flowing pressure of the asphalt is 1-3MPa, and the laying thickness and the uniformity of the asphalt at the temperature of 150-200 ℃ are ideal, namely the laying effect of the asphalt is better, specifically, when the laying thickness of the asphalt is 2mm, the laying speed is 10m/min, the flowing pressure of the asphalt is 2MPa, and the temperature of the asphalt is 170 ℃, the laying effect is best.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a testing arrangement that simulation pitch was laid, its characterized in that is in including frame (1) and setting pitch extrusion die (2) and thickness measurement mechanism (6) in frame (1), pitch extrusion die (2) are connected with pitch storage heating device (9), are located frame (1) is equipped with unwinding mechanism (7) and winding mechanism (8) respectively along length direction's both sides, be equipped with whole roll coiled material (74) on unwinding mechanism (7), coiled material (74) pass through in proper order pitch extrusion die (2) reach behind thickness measurement mechanism (6) with winding mechanism (8) are connected, winding mechanism (8) can drive coiled material (74) are followed the length direction of frame (1) removes.
2. The testing device according to claim 1, characterized in that the thickness measuring means (6) comprise a laser thickness gauge (66) which, when the laser thickness gauge (66) emits a laser beam, is perpendicular to the web (74) on the machine frame (1).
3. The testing device according to claim 2, wherein a thickness measuring support (61) is arranged on the machine frame (1), a driving synchronizing wheel (62) and a driven synchronizing wheel (63) are arranged on the thickness measuring support (61), a synchronous belt (64) is sleeved outside the driving synchronizing wheel (62) and the driven synchronizing wheel (63), the driving synchronizing wheel (62) is connected with a hand wheel (65), the laser thickness gauge (66) is slidably connected with the thickness measuring support (61), and the laser thickness gauge (66) is fixedly connected with the synchronous belt (64).
4. The testing device according to claim 2, wherein a thickness measuring support (61) is arranged on the machine frame (1), a driving synchronizing wheel (62), a driven synchronizing wheel (63) and an adjusting motor are arranged on the thickness measuring support (61), the adjusting motor is connected with the driving synchronizing wheel (62), a synchronous belt (64) is sleeved outside the driving synchronizing wheel (62) and the driven synchronizing wheel (63), the laser thickness gauge (66) is connected with the thickness measuring support (61) in a sliding manner, and the laser thickness gauge (66) is fixedly connected with the synchronous belt (64).
5. The testing device according to claim 1, wherein the winding mechanism (8) comprises a winding support (86), a winding motor (81) and a winding shaft (83) which are arranged on the winding support (86), the winding motor (81) is connected with the winding shaft (83), and the coiled material (74) is wound outside the winding shaft (83).
6. The testing device according to claim 1, characterized in that the unwinding mechanism (7) comprises an unwinding bracket (73) and an unwinding shaft (71) and a brake (72) which are arranged on the unwinding bracket (73), wherein the whole coil (74) is arranged outside the unwinding shaft (71), and the brake (72) is connected with the unwinding shaft (71).
7. The testing device according to any one of claims 1 to 6, wherein an air cooling mechanism (3) is further disposed on the machine frame (1), the air cooling mechanism (3) is located between the asphalt extrusion die head (2) and the thickness measuring mechanism (6), the air cooling mechanism (3) comprises a fan and a housing (32), the fan is disposed in the housing (32), the housing (32) is provided with an air inlet and an air outlet, and the air outlet faces the coiled material (74) disposed on the machine frame (1).
8. The testing device according to claim 7, wherein a speed measuring mechanism (5) is further arranged on the rack (1), the speed measuring mechanism (5) is located between the asphalt extrusion die head (2) and the air cooling mechanism (3), the speed measuring mechanism (5) comprises a speed measuring encoder (51) and a contact wheel (52), the speed measuring encoder (51) is connected with the contact wheel (52), the contact wheel (52) is contacted with asphalt, the winding mechanism (8) comprises a winding motor (81) and a winding shaft (83), the winding motor (81) is connected with the winding shaft (83), the coiled material (74) is wound outside the winding shaft (83), and the speed measuring encoder (51) is electrically connected with the winding motor (81).
9. The testing device according to claim 8, characterized in that a water cooling mechanism (4) is further provided on the machine frame (1), the water cooling mechanism (4) is located between the speed measuring mechanism (5) and the air cooling mechanism (3), the water cooling mechanism (4) comprises a spray head (42), and the spray head (42) faces the coiled material (74) located on the machine frame (1).
10. The testing device according to any one of claims 1-6 or 8-9, characterized in that a plurality of roller mechanisms (10) are further arranged on the machine frame (1), a plurality of roller mechanisms (10) are arranged at intervals along the length direction of the machine frame (1), and a plurality of roller mechanisms (10) are arranged along the height direction on one side of the machine frame (1) close to the uncoiling mechanism (7).
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| CN202010878031.2A CN111964727B (en) | 2020-08-27 | 2020-08-27 | Testing arrangement that simulation pitch was laid |
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| CN202010878031.2A CN111964727B (en) | 2020-08-27 | 2020-08-27 | Testing arrangement that simulation pitch was laid |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63122808A (en) * | 1986-11-11 | 1988-05-26 | 加々美 孝吉 | Forcible cooling apparatus of paved asphalt |
| CN204172249U (en) * | 2014-09-22 | 2015-02-25 | 辽宁大禹防水科技发展有限公司 | A kind of modified asphalt waterproof coiled material apparatus for pouring |
| CN204687191U (en) * | 2015-05-27 | 2015-10-07 | 湖北蓝盾之星科技股份有限公司 | A kind of shaped device of asphalt stock waterproof roll cooling twice |
| CN105689205A (en) * | 2014-11-25 | 2016-06-22 | 杨晨晖 | Autotracking thickness measuring apparatus for waterproof asphalt coiled material |
| CN209904180U (en) * | 2019-03-23 | 2020-01-07 | 山东飞鹰新型防水材料有限公司 | Non-asphalt-based self-adhesive film waterproof roll processing equipment |
| CN111169138A (en) * | 2019-12-26 | 2020-05-19 | 科顺防水科技股份有限公司 | Asphalt waterproof coiled material production line |
-
2020
- 2020-08-27 CN CN202010878031.2A patent/CN111964727B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63122808A (en) * | 1986-11-11 | 1988-05-26 | 加々美 孝吉 | Forcible cooling apparatus of paved asphalt |
| CN204172249U (en) * | 2014-09-22 | 2015-02-25 | 辽宁大禹防水科技发展有限公司 | A kind of modified asphalt waterproof coiled material apparatus for pouring |
| CN105689205A (en) * | 2014-11-25 | 2016-06-22 | 杨晨晖 | Autotracking thickness measuring apparatus for waterproof asphalt coiled material |
| CN204687191U (en) * | 2015-05-27 | 2015-10-07 | 湖北蓝盾之星科技股份有限公司 | A kind of shaped device of asphalt stock waterproof roll cooling twice |
| CN209904180U (en) * | 2019-03-23 | 2020-01-07 | 山东飞鹰新型防水材料有限公司 | Non-asphalt-based self-adhesive film waterproof roll processing equipment |
| CN111169138A (en) * | 2019-12-26 | 2020-05-19 | 科顺防水科技股份有限公司 | Asphalt waterproof coiled material production line |
Non-Patent Citations (1)
| Title |
|---|
| 杨印臣: "《地下管道和储罐管理维护实用技术》", 30 October 2005, 华南理工大学出版社 * |
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