Asphalt mixture mixing plant aggregate water content online detection device

Abstract

The invention relates to the technical field of asphalt mixtures, in particular to an asphalt mixture mixing plant aggregate moisture content online detection device which comprises an evaporation structure, a conveying structure and a flattening structure, the upper end of an evaporation kettle in the evaporation structure is connected with an exhaust funnel through a bolt, and the interior of the exhaust funnel is connected with the outer side of a bottom filter screen through a sliding block; a first screw rod is movably connected to the interior of an evaporation kettle in the evaporation structure, threaded holes are movably connected to the outer sides of the first screw rod and a second screw rod in the transmission structure, an asphalt mixture in the evaporation kettle can be subjected to an evaporation reaction through a heating rod, so that asphalt can be rapidly evaporated, and a sliding rod can be movably connected to the interior of a sliding hole; waste gas can be exhausted through the exhaust cylinder, the sliding block can be movably connected into the exhaust cylinder to drive the bottom filter screen to move up and down so that the filter screen can be replaced and cleaned, and the two ends of the tray are arc-shaped so that the roller can not be affected when the roller is flattened and crushed.

Description

Technical Field

[0001] The present invention relates to the technical field of asphalt mixtures, in particular to an online detection device for the moisture content of aggregates in an asphalt mixture mixing plant. Background Art

[0002] Asphalt mixture is a composite material, mainly composed of asphalt, coarse aggregate, fine aggregate, mineral powder, and sometimes polymers and wood cellulose. These materials of different qualities and quantities are mixed to form different structures and have different mechanical properties.

[0003] However, when testing the moisture content of existing asphalt mixtures, most of them use evaporation to compare and determine the amount of moisture contained. However, since the evaporation time of asphalt mixtures is relatively long, workers cannot quickly obtain the required data for construction.

[0004] Therefore, in order to solve the above problems, an online detection device for moisture content of aggregate in asphalt mixture mixing plant is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide an online detection device for the moisture content of aggregates in an asphalt mixture mixing plant, so as to solve the problem mentioned in the above background technology that in the prior art, when detecting the moisture content of asphalt mixtures, most of the moisture content is determined after comparison using evaporation. However, when evaporating asphalt mixtures, the evaporation time is relatively long, making it impossible for workers to quickly obtain the required data for construction.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an online detection device for the moisture content of aggregate in an asphalt mixture mixing plant, comprising: an evaporation structure, a transmission structure and a flattening structure, wherein the upper end of the evaporator in the evaporation structure is connected to the exhaust pipe with bolts, and the interior of the exhaust pipe is connected to the outer side of the bottom filter screen with a slider, the interior of the evaporator in the evaporation structure is movably connected to the first screw, the first screw in the transmission structure is movably connected to the threaded hole on the outer side of the second screw, the lower end of the threaded hole in the flattening structure is connected to the telescopic rod with a mechanical transmission device by a telescopic device, and the two sides of the telescopic rod are connected to the upper end of the scraper by support plates.

[0007] Preferably, the upper end of the base in the evaporation structure is connected to the lower end of the connecting shell with bolts, the interior of the connecting shell is connected to the heating rod with bolts, and one side of the heating rod is connected to the control panel with bolts.

[0008] Preferably, the rear end of the control panel is connected to the evaporating kettle with bolts, the interior of the evaporating kettle is connected to a slide rod with bolts, the upper end of the evaporating kettle is connected to an exhaust pipe with bolts, a slide groove is hollowed out inside the exhaust pipe, and a slide block is movably connected inside the exhaust pipe.

[0009] Preferably, the inner side of the lower end of the slider is connected to the bottom filter screen by bolts, and the upper end of the bottom filter screen is inserted into and connected to the activated carbon filter screen.

[0010] Preferably, the upper end of the activated carbon filter is inserted into the upper filter, the upper end of the slider is connected to the exhaust hole with bolts, a slot is welded outside the exhaust hole, and the lower end inside the evaporator is connected to the tray with bolts.

[0011] Preferably, the inner side of the driving machine in the transmission structure is connected to the first rotating disk with bolts, and the inner side of the first rotating disk is connected to the first screw rod with bolts.

[0012] Preferably, the outer side of the first rotating disk is movably connected to a belt, the other side of the belt is movably connected to the outer side of the second rotating disk, and the inner side of the second rotating disk is connected to a second screw rod by a bolt.

[0013] Preferably, the upper end of the telescopic device in the flattening structure is connected to the threaded hole with a bolt, a sliding hole is hollowed out inside the telescopic device, the lower end of the telescopic device is connected to the telescopic hole with a bolt, and the telescopic rod is movably connected inside the telescopic hole.

[0014] Preferably, the two sides of the telescopic rod are connected to the support plate with bolts, the lower end of the support plate is connected to the scraper with bolts, the two sides of the support plate are connected to the bracket with bolts, the inner side of the bracket is connected to the support rod with bolts, and the inner side of the bracket is connected to the roller with a hinge shaft.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the present invention can be passed.

[0016] 1. The present invention is provided with a heating rod, an evaporating kettle, a bottom filter and a slider. The heating rod can evaporate the asphalt mixture in the evaporating kettle, so that the asphalt can evaporate quickly. The sliding rod can be movably connected to the inside of the sliding hole, and the exhaust gas can be discharged through the exhaust pipe. The slider can be movably connected to the exhaust pipe to drive the bottom filter to move up and down so that the filter can be replaced and cleaned. The arc-shaped ends of the tray ensure that the roller will not be affected when flattening and crushing.

[0017] 2. The present invention is provided with a telescopic device, a support plate, a roller, a telescopic rod, a scraper and a bracket, and the telescopic device can drive the support plate to move up and down so that the support plate can drive the roller to move the upper end, wherein a locking device is provided inside the telescopic device, and the second screw and the first screw can be movably connected through the threaded hole, and the sliding rod can be movably connected through the sliding hole, so that the lower end of the telescopic device can be limited, the telescopic hole can be used to limit the telescopic rod, the upper end of the scraper can be limited by the support plate, the upper end of the support plate can be limited by the bracket, and the two ends of the roller can be limited by the bracket. The support rod connected to the inner side of the bracket can support it to prevent the bracket from being easily damaged, and the roller and the outer side of the scraper are coated with an anti-stick coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural perspective diagram of the present invention;

[0019] Figure 2 It is a schematic structural perspective diagram of the present invention;

[0020] Figure 3 It is a schematic diagram of a three-dimensional cross-section of the structure of the present invention;

[0021] Figure 4 It is a schematic structural perspective diagram of the transmission structure of the present invention;

[0022] Figure 5 It is a schematic structural perspective view of the flattened structure of the present invention;

[0023] Figure 6 Schematic diagram of the three-dimensional cross-section of the exhaust pipe of the present invention;

[0024] Figure 7 Schematic diagram of the three-dimensional cross-section of the bottom filter of the present invention;

[0025] Figure 8 It is a schematic three-dimensional diagram of the local structure of the exhaust pipe of the present invention.

[0026] In the figure: 1. Evaporation structure; 101. Base; 102. Connecting shell; 103. Heating rod; 104. Control panel; 105. Evaporation kettle; 106. Sliding rod; 107. Exhaust pipe; 108. Bottom filter; 109. Sliding block; 110. Activated carbon filter; 111. Upper filter; 112. Exhaust hole; 113. Slot; 114. Tray; 2. Transmission structure; 201. Driving motor; 202. First rotating disk; 203. Belt; 204. Second rotating disk; 205. First screw; 206. Second screw; 3. Flattening structure; 301. Telescopic device; 302. Threaded hole; 303. Sliding hole; 304. Telescopic hole; 305. Telescopic rod; 306. Support plate; 307. Bracket; 308. Support rod; 309. Scraper; 310. Roller. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-8 , an embodiment provided by the present invention:

[0029] An online detection device for aggregate moisture content in an asphalt mixing plant comprises an evaporation structure 1, a transmission structure 2, and a flattening structure 3. The upper end of an evaporator 105 in the evaporation structure 1 is bolted to an exhaust pipe 107. The interior of the exhaust pipe 107 is connected to the outer side of a bottom filter 108 by a slider 109. The interior of the evaporator 105 in the evaporation structure 1 is movably connected to a first screw 205. The outer sides of the first and second screws 205 and 206 in the transmission structure 2 are movably connected to a threaded hole 302. The lower end of the threaded hole 302 in the flattening structure 3 is connected to a telescopic rod 305 by a telescopic device 301 via a mechanical transmission device. The two sides of the telescopic rod 305 are connected to the upper end of a scraper 309 by support plates 306.

[0030] Furthermore, the upper end of the base 101 in the evaporation structure 1 is connected to the lower end of the connecting shell 102 with bolts, the inside of the connecting shell 102 is connected to the heating rod 103 with bolts, and one side of the heating rod 103 is connected to the control panel 104 with bolts. The base 101 is used to support the connecting shell 102, and the connecting shell 102 is used to limit the heating rod 103. The inside of the connecting shell 102 is provided with an insulation structure. The heating rod 103 is used to evaporate the items in the evaporating kettle 105. The control panel 104 is a relay to control the temperature of the heating rod 103.

[0031] Furthermore, the rear end of the control panel 104 is connected to the evaporator 105 with bolts, the inside of the evaporator 105 is connected to the slide rod 106 with bolts, the upper end of the evaporator 105 is connected to the exhaust pipe 107 with bolts, the exhaust pipe 107 is hollowed out to have a slide groove, the exhaust pipe 107 is movably connected to the slider 109, the slide rod 106 is used to be movably connected to the inside of the slide hole 303, the exhaust pipe 107 is used to discharge exhaust gas, and the slider 109 is used to be movably connected to the exhaust pipe 107.

[0032] Furthermore, the inner side of the lower end of the slider 109 is connected to the bottom filter 108 with bolts, and the upper end of the bottom filter 108 is inserted into the activated carbon filter 110. The bottom filter 108 is used to filter the exhaust gas first, and the activated carbon filter 110 is used to further filter the exhaust gas.

[0033] Furthermore, the upper end of the activated carbon filter 110 is inserted into the upper filter 111, the upper end of the slider 109 is connected to the exhaust hole 112 with bolts, the outside of the exhaust hole 112 is welded with a slot 113, and the lower end of the inside of the evaporator 105 is bolted to the tray 115. The upper filter 111 is used to filter the exhaust gas in the final step, the exhaust hole 112 is used to discharge the exhaust gas, the slot 113 is used to enable the exhaust hole 112 to be inserted into the upper end of the exhaust pipe 107, and the tray 115 is used to place the asphalt mixture, wherein the two ends of the tray 115 are arc-shaped so that the roller 310 will not be affected during flattening and crushing.

[0034] Furthermore, the inner side of the driving machine 201 in the transmission structure 2 is connected to the first rotating disk 202 with bolts, and the inner side of the first rotating disk 202 is connected to the first screw 205 with bolts. The driving machine 201 is used to rotate the first rotating disk 202 so that the first rotating disk 202 drives 205 to rotate.

[0035] Furthermore, the outer side of the first rotating disk 202 is movably connected to the belt 203, and the other side of the belt 203 is movably connected to the outer side of the second rotating disk 204. The inner side of the second rotating disk 204 is bolted to the second screw 206. The belt 203 enables the second rotating disk 203 to rotate when the first rotating disk 202 rotates. The second rotating disk 203 is used to drive the second screw 206 to rotate. The second screw 206 and the first screw 205 are used to drive the telescopic device 301 to move forward and backward.

[0036] Furthermore, the upper end of the telescopic device 301 in the flattening structure 3 is connected to the threaded hole 302 with a bolt, a sliding hole 303 is hollowed out inside the telescopic device 301, and the lower end of the telescopic device 301 is connected to the telescopic hole 304 with a bolt. The telescopic hole 304 is movably connected to the telescopic rod 305. The telescopic device 301 is used to drive the support plate 306 to move up and down so that the support plate 306 can drive the roller 310 to move the upper end, wherein a locking device is provided inside the telescopic device 301, the threaded hole 302 is used to movably connect the second screw 206 and the first screw 205, the sliding hole 303 is used to movably connect the slide rod 106, so that the lower end of the telescopic device 301 can be limited, and the telescopic hole 304 is used to limit the telescopic rod 305.

[0037] Furthermore, the two sides of the telescopic rod 305 are connected to the support plate 306 with bolts, the lower end of the support plate 306 is connected to the scraper 309 with bolts, the two sides of the support plate 306 are connected to the bracket 307 with bolts, the inner side of the bracket 307 is connected to the support rod 308 with bolts, and the inner side of the bracket 307 is connected to the roller 310 with a hinge shaft. The support plate 306 is used to limit the upper end of the scraper 309, the bracket 307 is used to limit the upper end of the support plate 306, the bracket 307 is used to limit the two ends of the roller 310, and the support rod 308 connected to the inner side of the bracket 307 is used to support it to prevent the bracket 307 from being easily damaged. The outer sides of the roller 310 and the scraper 309 are coated with an anti-stick coating.

[0038] Working principle: When in use, first open the door panel on one side of the evaporator 105, place the material to be tested on the upper end of the tray 114 after measurement, heat the heating rod 103, so that the heating rod 103 heats the inside of the evaporator 105, and then start the driving machine 201, so that the driving machine 201 drives the first rotating disk 202 to rotate. When the first rotating disk 202 rotates, the belt 203 drives the second rotating disk 204 to rotate. The first rotating disk 202 and the second rotating disk 204 drive the first screw 205 and the second screw 206 to rotate. The first screw 205 and the second screw 206 rotate, so that the telescopic device 301 moves forward and backward. When the telescopic device 301 is started, the telescopic device 301 drives the roller 310 to move up and down to adjust the height and is locked by the locking device. When the roller 310 presses and flattens the asphalt mixture, if the asphalt adheres to the outside of the roller 310, the scraper 309 cleans it. When the asphalt mixture gradually evaporates from a viscous state to a block shape, it can be measured again. After comparative calculation, the moisture content can be obtained.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. An online detection device for moisture content of aggregate in an asphalt mixture mixing plant, comprising: The evaporation structure (1), the transmission structure (2) and the flattening structure (3) are characterized in that: the upper end of the evaporation pot (105) in the evaporation structure (1) is connected to the exhaust pipe (107) by bolts, the interior of the exhaust pipe (107) is connected to the outer side of the bottom filter (108) by a slider (109), the interior of the evaporation pot (105) in the evaporation structure (1) is movably connected to the first screw (205), the outer sides of the first screw (205) and the second screw (206) in the transmission structure (2) are movably connected to the threaded hole (302), the lower end of the threaded hole (302) in the flattening structure (3) is connected to the telescopic rod (305) by a mechanical transmission device using a telescopic device (301), and both sides of the telescopic rod (305) are connected to the upper end of the scraper (309) by support plates (306).

2. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 1 is characterized in that: The upper end of the base (101) in the evaporation structure (1) is connected to the lower end of the connection shell (102) by bolts, the interior of the connection shell (102) is connected to the heating rod (103) by bolts, and one side of the heating rod (103) is connected to the control panel (104) by bolts.

3. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 2 is characterized in that: The rear end of the control panel (104) is connected to the evaporating kettle (105) by bolts, the interior of the evaporating kettle (105) is connected to the sliding rod (106) by bolts, the upper end of the evaporating kettle (105) is connected to the exhaust pipe (107) by bolts, the interior of the exhaust pipe (107) is hollowed out to form a sliding groove, and the interior of the exhaust pipe (107) is movably connected to the sliding block (109).

4. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 3 is characterized by: The inner side of the lower end of the slider (109) is connected to the bottom filter (108) by bolts, and the upper end of the bottom filter (108) is inserted into and connected to the activated carbon filter (110).

5. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 4 is characterized in that: The upper end of the activated carbon filter (110) is inserted into and connected to the upper filter (111), the upper end of the slider (109) is connected to the exhaust hole (112) by bolts, the outer side of the exhaust hole (112) is welded with a slot (113), and the lower end of the interior of the evaporator (105) is connected to the tray (115) by bolts.

6. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 1, characterized in that: The inner side of the driving machine (201) in the transmission structure (2) is connected to the first rotating disk (202) by bolts, and the inner side of the first rotating disk (202) is connected to the first screw rod (205) by bolts.

7. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 6, characterized in that: The outer side of the first rotating disk (202) is movably connected to a belt (203), the other side of the belt (203) is movably connected to the outer side of the second rotating disk (204), and the inner side of the second rotating disk (204) is connected to a second screw rod (206) by a bolt.

8. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 1, characterized in that: The upper end of the telescopic device (301) in the flattening structure (3) is connected to the threaded hole (302) by a bolt, the interior of the telescopic device (301) is hollowed out to form a sliding hole (303), the lower end of the telescopic device (301) is connected to the telescopic hole (304) by a bolt, and the interior of the telescopic hole (304) is movably connected to a telescopic rod (305).

9. The online detection device for moisture content of aggregate in an asphalt mixing plant according to claim 8, characterized in that: The two sides of the telescopic rod (305) are connected to the support plate (306) by bolts, the lower end of the support plate (306) is connected to the scraper (309) by bolts, the two sides of the support plate (306) are connected to the bracket (307) by bolts, the inner side of the bracket (307) is connected to the support rod (308) by bolts, and the inner side of the bracket (307) is connected to the roller (310) by a hinge shaft.

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