CN215931544U

CN215931544U - Gravel seal is with wrapping up in advance and covering maximum pitch quantity test equipment that gathers materials

Info

Publication number: CN215931544U
Application number: CN202122468330.1U
Authority: CN
Inventors: 石长洪; 张丽敏; 龚演; 杨毅; 马小龙; 周震宇; 王�锋; 罗恺彦; 严二虎; 李东钊; 程岗; 刘军海; 刘玉红; 武强; 潘树; 姜博; 夏惠森
Original assignee: Hefei Mingchao Expressway Co ltd; Research Institute of Highway Ministry of Transport; CCCC SHB Sixth Engineering Co Ltd
Current assignee: Hefei Mingchao Expressway Co ltd; Research Institute of Highway Ministry of Transport; CCCC SHB Sixth Engineering Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-01
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of road engineering tests, in particular to a device for testing the maximum asphalt using amount of pre-coated aggregate for a gravel seal, which comprises a test table, an L-shaped seat, an injection component, a test component, a cooling component and two loading components, wherein the L-shaped seat and the cooling component are respectively arranged at two ends of the top of the test table, the two loading components are symmetrically arranged at the top of the L-shaped seat, the injection component is arranged on the test table in a sliding manner and is positioned between the L-shaped seat and the cooling component, the test component is provided with two parts, one part of the test component is arranged at the top of the L-shaped seat in a sliding manner, and the other part of the test component is arranged at the top of the test table. The utility model has the advantages that: through annotating the cooperation between material subassembly, cooling module, test subassembly and the material loading subassembly, can simulate and test the pressure of driving to the rubble seal to measure the biggest quantity that the required parcel of rubble seal covers pitch, avoid the too much or too little condition of pitch quantity to appear.

Description

Gravel seal is with wrapping up in advance and covering maximum pitch quantity test equipment that gathers materials

Technical Field

The utility model relates to the technical field of road engineering tests, in particular to a device for testing the maximum asphalt dosage of a pre-coated aggregate for a gravel seal.

Background

Under the long-term influence of external environmental conditions such as water, temperature, illumination and the like and driving load, the asphalt pavement is easy to generate early diseases such as looseness, pits, ruts, cracks and the like, and the safety and the comfort level of driving are influenced. Therefore, the damaged pavement needs to be repaired by adopting corresponding technical means, and the gravel sealing layer is widely applied at home and abroad due to strong interlayer bonding force, good waterproof and anti-skid properties, good crack resistance and the like. However, control of the amount of asphalt used in chip sealer technology remains a problem. Under the condition that the amount of the crushed stones is determined, the normal pavement performance of the road is affected by too much or too little asphalt, and particularly, when the amount of the asphalt is too much, the construction cost is increased, the road surface oil flooding disease is caused, and the driving safety is reduced, so that the maximum asphalt amount testing equipment for pre-coating aggregate for the crushed stone seal is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a device for testing the maximum asphalt dosage of a pre-coated aggregate for a gravel seal.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a rubble seal is with wrapping up in advance and covering biggest pitch quantity test equipment that gathers materials, includes test table, L type seat, notes material subassembly, test component, cooling module and two material loading subassemblies, L type seat and cooling module set up respectively at the both ends at test table top, two the material loading subassembly is the top that the symmetry set up at L type seat, annotate the material subassembly and slide and set up on the test table, and annotate the material subassembly and be located between L type seat and the cooling module, test component is equipped with two parts, and a part test component slides and sets up the top at L type seat, and another part test component sets up the top at the test table.

Preferably, each feeding assembly comprises a feeding barrel, a feeding pipe, a feeding frame, a valve, a stirring motor, a stirring shaft, a fixed sleeve and a plurality of stirring blades, the feeding barrel is arranged at the top of the L-shaped seat, the feeding pipe is arranged at the bottom of the feeding barrel, the feeding pipe is communicated with the interior of the feeding barrel, the bottom of the feeding pipe penetrates through the L-shaped seat and extends downwards, the fixed sleeve is sleeved on the outer wall of the feeding pipe, the side wall of the fixed sleeve is fixedly connected with the inner side wall of the L-shaped seat, the valve is arranged in the feeding pipe, the feeding frame is arranged at the top of the feeding barrel, the feeding frame is communicated with the interior of the upper charging barrel, the stirring motor is arranged at the top of the upper charging barrel, and the output end of the stirring motor penetrates through the charging barrel and extends inwards, the stirring shaft is vertically arranged at the output end of the stirring motor, and the stirring blades are arranged on the outer wall of the stirring shaft at equal intervals.

Preferably, the material injection assembly comprises a material injection frame, a material injection box, a rotating motor, a threaded rod and two closed blocks, the material injection frame is arranged at the top of the test table in a sliding manner, the material injection frame is positioned below the two feeding pipes, the material injection box is inserted into the material injection frame, a handle is arranged on the side wall of the material injection box, the threaded rod is rotatably arranged on the test table, the bottom of the material injection frame is sleeved on the threaded rod, the rotating motor is arranged on the side wall of the test table, the output end of the rotating motor penetrates through the test table and is fixedly connected with the threaded rod, two openings which are arranged at intervals are arranged at the top of the material injection frame, the two feeding pipes are respectively inserted into the two openings, the two closed blocks are arranged on the inner top wall of the material injection frame in a sliding manner at intervals, one side walls of the two closed blocks respectively abut against the outer walls of the two feeding pipes, and two springs which are arranged at intervals are arranged on the other side wall of each closed block, and the side wall of each spring is fixedly connected with the inner side wall of the material injection frame.

Preferably, the cooling assembly comprises a condensation frame and a plurality of condensation pipes, the condensation frame is arranged at the top of the test table, and the plurality of condensation pipes are respectively arranged on the inner top wall and the inner side wall of the condensation frame.

Preferably, the testing assembly comprises a 20866a jig, a moving seat, a moving motor, a lifting cylinder, a transverse plate, a material taking barrel, an observation frame, a limiting seat and a pressing piece, wherein the 20866a jig is arranged at the top of the L-shaped seat in a sliding manner, a sliding opening is formed in the top of the L-shaped seat, the 20866a jig is arranged right above the sliding opening, the moving seat is arranged on the side wall of the 20866a jig, the moving motor is arranged at the top of the moving seat, a moving gear is arranged at the output end of the moving motor, a rack is arranged at the top of the L-shaped seat and is meshed with the rack, the lifting cylinder is arranged at the top of the 20866a press plate is arranged at the output end of the lifting cylinder, the material taking barrel is arranged right below the transverse plate, the pressing piece is arranged at the top of the material taking barrel, and two symmetrical transverse plates are arranged at the bottom of the material taking barrel, and the lateral wall of two L templates all is connected with the outer wall of getting a material section of thick bamboo, the bottom of getting a material section of thick bamboo is the slope setting, the observation frame sets up the top at the test table, spacing seat sets up at the top of test table, and spacing seat is located the observation frame, the articulated fixed gate that is equipped with on the lateral wall of observation frame, four flexible posts that are the matrix setting are installed at the top of spacing seat, the top of spacing seat is equipped with presses the seat, and the top of four flexible posts all is connected with the bottom of pressing the seat, spacing mouth has all been seted up on spacing seat and the lateral wall of pressing the seat, the observation frame is made for transparent material.

Preferably, the pressing piece comprises a pressing cylinder and a pressing disc, the pressing disc is located in the material taking barrel, the outer diameter of the pressing disc is the same as the inner diameter of the material taking barrel, the pressing cylinder is arranged at the top of the material taking barrel, and the output end of the pressing cylinder penetrates through the top of the material taking barrel and the top of the pressing disc to be fixedly connected.

The utility model has the following advantages:

the lifting cylinder drives the material taking barrel to descend so that the material taking barrel descends into the material injection box, and through the inclined arrangement of the bottom of the material taking barrel, so that a part of the gravel seal in the material injection box is inserted into the material taking barrel, then the lifting cylinder drives the material taking barrel to ascend, the moving motor drives the moving gear to rotate on the rack, so that the material taking barrel moves to the position above the limit opening, the pressing cylinder drives the pressing disc to descend to push the rubble seal layer in the material taking barrel into the limiting port, the limiting seat carries out limiting clamping on the rubble seal layer, and the pressing cylinder drives the pressing disc to descend to press the rubble seal layer in the limiting port, the pressure of the automobile walking on the rubble seal layer is simulated, a worker can observe whether the rubble seal layer is cracked or oiled under the pressing through the observation frame, therefore, the maximum consumption of the coated asphalt needed by the gravel seal is measured, and the situation that the consumption of the asphalt is too much or too little is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the injection assembly of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a partial perspective view of the present invention;

FIG. 5 is an exploded cross-sectional view of the feeding assembly of the present invention;

FIG. 6 is a partial perspective view of a first embodiment of a test assembly according to the present invention;

FIG. 7 is a partial exploded perspective view of a second embodiment of the test assembly of the present invention;

fig. 8 is a schematic perspective view of the pressing member according to the present invention.

In the figure: 1-test table, 2-L-shaped seat, 21-rack, 3-injection assembly, 31-injection frame, 32-injection box, 33-rotating motor, 34-threaded rod, 35-sealing block, 36-handle, 37-opening, 38-spring, 4-test assembly, 41-20866, 42-moving seat, 43-moving motor, 44-lifting cylinder, 45-transverse plate, 46-material taking barrel, 47-observation frame, 48-limit seat, 49-pressing piece, 491-pressing cylinder, 492-pressing disk, 410-moving gear, 411-L-shaped plate, 412-fixed door, 413-telescopic column, 414-pressing seat, 415-limit port, 5-cooling assembly, 51-condensation frame, 52-a condensation pipe, 6-a feeding assembly, 61-a feeding barrel, 62-a feeding pipe, 63-a feeding frame, 64-a valve, 65-a stirring motor, 66-a stirring shaft, 67-a fixed sleeve and 68-a stirring blade.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 8, a maximum asphalt usage testing device for pre-wrapped aggregate for chip sealing comprises a testing table 1, an L-shaped seat 2, an injection component 3, a testing component 4, a cooling component 5 and two injection components 6, wherein the L-shaped seat 2 and the cooling component 5 are respectively arranged at two ends of the top of the testing table 1, the two injection components 6 are symmetrically arranged at the top of the L-shaped seat 2, the injection component 3 is slidably arranged on the testing table 1, the injection component 3 is arranged between the L-shaped seat 2 and the cooling component 5, the testing component 4 is provided with two parts, one part of the testing component 4 is slidably arranged at the top of the L-shaped seat 2, and the other part of the testing component 4 is arranged at the top of the testing table 1.

Specifically, each of the feeding assemblies 6 includes a feeding cylinder 61, a feeding tube 62, a feeding frame 63, a valve 64, a stirring motor 65, a stirring shaft 66, a fixing sleeve 67 and a plurality of stirring blades 68, the feeding cylinder 61 is disposed at the top of the L-shaped base 2, the feeding tube 62 is disposed at the bottom of the feeding cylinder 61, the feeding tube 62 is communicated with the inside of the feeding cylinder 61, the bottom of the feeding tube 62 penetrates through the L-shaped base 2 and extends downward, the fixing sleeve 67 is sleeved on the outer wall of the feeding tube 62, the side wall of the fixing sleeve 67 is fixedly connected with the inner side wall of the L-shaped base 2, the valve 64 is disposed in the feeding tube 62, the feeding frame 63 is disposed at the top of the feeding cylinder 61, the feeding frame 63 is communicated with the inside of the feeding cylinder 61, the stirring motor 65 is disposed at the top of the feeding cylinder 61, and the output end of the stirring motor 65 penetrates through the feeding cylinder 61 and extends inward, (mixing) shaft 66 is vertical setting on agitator motor 65's output, and is a plurality of stirring leaf 68 is equidistant setting on (mixing) shaft 66's outer wall, pours into pitch and rubble to two material loading barrels 61 in through two feeding frame 63 respectively, agitator motor 65 drive (mixing) shaft 66 rotates, makes a plurality of stirring leaf 68 stir pitch or rubble, prevents that pitch from solidifying and the rubble from piling up, be convenient for pitch and rubble flow to the material loading pipe 62 in, open two valves 64 in proper order, make proper amount pitch and rubble flow to in annotating material subassembly 3 through two material loading pipe 62 successively, carry out subsequent test work.

Specifically, the injection assembly 3 comprises an injection frame 31, an injection box 32, a rotary motor 33, a threaded rod 34 and two sealing blocks 35, the injection frame 31 is slidably arranged at the top of the test table 1, the injection frame 31 is positioned below the two feeding pipes 62, the injection box 32 is inserted in the injection frame 31, a handle 36 is mounted on the side wall of the injection box 32, the threaded rod 34 is rotatably arranged on the test table 1, the bottom of the injection frame 31 is sleeved on the threaded rod 34, the rotary motor 33 is mounted on the side wall of the test table 1, the output end of the rotary motor 33 penetrates through the test table 1 and is fixedly connected with the threaded rod 34, the top of the injection frame 31 is provided with two openings 37 arranged at intervals, the two feeding pipes 62 are respectively inserted in the two openings 37, the two sealing blocks 35 are slidably arranged on the inner top wall of the injection frame 31 at intervals, and one side wall of the two sealing blocks 35 respectively abuts against the outer walls of the two feeding pipes 62, two springs 38 arranged at intervals are mounted on the other side wall of each closed block 35, the side wall of each spring 38 is fixedly connected with the inner side wall of the material injection frame 31, gravel flows into the material injection box 32 through one feeding pipe 62 to be paved at the bottom, then a proper amount of asphalt flows into the material injection box 32 through the other feeding pipe 62 to permeate and adhere the gravel, after the material injection is completed, the rotary motor 33 drives the threaded rod 34 to rotate, so that the material injection frame 31 with the material injection box 32 moves towards the cooling assembly 5, namely, the two closed blocks 35 are separated from the two feeding pipes 62, and under the elastic action of the springs 38, the two closed blocks 35 close the two openings 37, and the gravel or the asphalt in the material injection box 32 is prevented from splashing outwards in the moving process to influence the test result.

Specifically, cooling unit 5 includes condensation frame 51 and a plurality of condenser pipe 52, condensation frame 51 sets up at the top of test table 1, and is a plurality of condenser pipe 52 sets up respectively on the interior roof and the inside wall of condensation frame 51, annotates material frame 31 and takes notes workbin 32 to move to in the condensation frame 51, through the setting of a plurality of condenser pipes 52 for the pitch cooling in the notes workbin 32, it is fixed to bond the rubble, forms the rubble seal, and after the cooling was accomplished, rotating electrical machines 33 drive threaded rod 34 rotated, makes notes material frame 31 move to the below of test unit 4.

Specifically, the testing assembly 4 comprises a 20866a fixture 41, a moving seat 42, a moving motor 43, a lifting cylinder 44, a transverse plate 45, a material taking barrel 46, an observation frame 47, a limiting seat 48 and a pressing piece 49, wherein the 20866a fixture 41 is arranged at the top of an L-shaped seat 2 in a sliding manner, a sliding opening is formed in the top of the L-shaped seat 2, the 20866a fixture 41 is arranged right above the sliding opening, the moving seat 42 is arranged on the wall of the 20866a fixture 41, the moving motor 43 is arranged at the top of the moving seat 42, a moving gear 410 is arranged at the output end of the moving motor 43, a rack 21 is arranged at the top of the L-shaped seat 2, the moving gear 410 is meshed with the rack 21, the lifting cylinder 44 is arranged at the top of the 20866a fixture 41, the output end of the lifting cylinder 44 penetrates through the 20866a fixture 41 and extends downwards, the transverse plate 45 is arranged at the output end of the lifting cylinder 44, the material taking barrel 46 is positioned right below the transverse plate 45, the pressing piece 49 is arranged at the top of the material taking barrel 46, the bottom of the transverse plate 45 is provided with two L-shaped plates 411 which are symmetrically arranged, the side walls of the two L-shaped plates 411 are connected with the outer wall of the material taking barrel 46, the bottom of the material taking barrel 46 is obliquely arranged, the observation frame 47 is arranged at the top of the test table 1, the limiting seat 48 is positioned in the observation frame 47, the side wall of the observation frame 47 is hinged with a fixed door 412, the top of the limiting seat 48 is provided with four telescopic columns 413 which are arranged in a matrix manner, the pressing seat 414 is arranged above the limiting seat 48, the tops of the four telescopic columns 413 are connected with the bottom of the pressing seat 414, the side walls of the limiting seat 48 and the pressing seat 414 are provided with limiting ports 415, the observation frame 47 is made of transparent material, the material injection frame 31 is moved to the lower part of the material taking barrel 46, the lifting cylinder 44 drives the material taking barrel 46 to descend to enable the material taking barrel 46 and the sealing block 35 to be in the same level, the material taking barrel 46 is abutted against the sealing block 35 and compresses the spring 38, so that the material taking barrel 46 is located in one opening 37, then the lifting cylinder 44 drives the material taking barrel 46 to descend again, so that the material taking barrel 46 descends into the material injection box 32, a part of gravel sealing layers in the material injection box 32 are inserted into the material taking barrel 46 through the inclined arrangement of the bottom of the material taking barrel 46, then the lifting cylinder 44 drives the material taking barrel 46 to ascend, the moving motor 43 drives the moving gear 410 to rotate on the rack 21, so that the material taking barrel 46 moves to the upper part of the limiting port 415, the gravel sealing layers in the material taking barrel 46 are pushed into the limiting port 415 through the pressing piece 49, the limiting seat 48 carries out limiting clamping on the gravel sealing layers, and the pressing piece 49 presses the gravel sealing layers in the limiting port 415, and simulates the pressure of an automobile on the gravel sealing layers when the automobile walks, staff's accessible observation frame 47 observes the rubble seal and whether appears cracked or the condition of the oil spilling under pressing down to this measures the biggest quantity that the required parcel of rubble seal covers pitch, avoids the too much or too little condition of pitch quantity to appear, after the test, opens fixed door 412, manual pressure seat 414, four flexible posts 413 of compression expose the top of the rubble seal of test, grasp the rubble seal and can take off it, provide convenience for next test.

Specifically, the pressing member 49 comprises a pressing cylinder 491 and a pressing disc 492, the pressing disc 492 is located in the material taking barrel 46, the outer diameter of the pressing disc 492 is the same as the inner diameter of the material taking barrel 46, the pressing cylinder 491 is arranged at the top of the material taking barrel 46, the output end of the pressing cylinder 491 penetrates through the material taking barrel 46 and is fixedly connected with the top of the pressing disc 492, the pressing disc 492 is driven to descend through the pressing cylinder 491, the gravel seal layer can be pushed out from the material taking barrel 46 and pressed, and the pressure of an automobile walking on the gravel seal layer is simulated.

The working process of the utility model is as follows: asphalt and gravel are respectively poured into the two feeding barrels 61 through the two feeding frames 63, the stirring motor 65 drives the stirring shaft 66 to rotate, so that the asphalt or gravel is stirred by the stirring blades 68, the asphalt is prevented from being solidified and the gravel is prevented from being accumulated, the asphalt and the gravel can conveniently flow into the feeding pipe 62, the two valves 64 are sequentially opened, the gravel flows into the filling box 32 through one feeding pipe 62 to be paved at the bottom, then the proper amount of asphalt flows into the filling box 32 through the other feeding pipe 62 to be permeated and bonded to the gravel, after the filling is finished, the rotating motor 33 drives the threaded rod 34 to rotate, so that the filling frame 31 with the filling box 32 moves towards the condensing frame 51, the two sealing blocks 35 are separated from the two feeding pipes 62, the two sealing blocks 35 seal the two openings 37 under the elastic action of the spring 38, and the gravel or the asphalt in the filling box 32 is prevented from splashing outwards in the moving process, the test result is influenced, the material injection frame 31 drives the material injection box 32 to move into the condensation frame 51, asphalt in the material injection box 32 is cooled through the arrangement of a plurality of condensation pipes 52, crushed stones are bonded and fixed to form a crushed stone sealing layer, after the cooling is finished, the rotary motor 33 drives the threaded rod 34 to rotate, the material injection frame 31 moves to the lower side of the material taking barrel 46, the material taking barrel 46 is driven to descend by the lifting air cylinder 44 while the material injection frame 31 moves to the lower side of the material taking barrel 46, the material taking barrel 46 and the sealing block 35 are at the same level, the material taking barrel 46 is abutted against the sealing block 35 and compresses the spring 38, the material taking barrel 46 is positioned in one opening 37, then the material taking barrel 46 is driven to descend by the lifting air cylinder 44 again, the material taking barrel 46 descends into the material injection box 32, through the arrangement that the bottom of the material taking barrel 46 is inclined, a part of the crushed stone sealing layer in the material injection box 32 is inserted into the material taking barrel 46, and then, the lifting cylinder 44 drives the material taking barrel 46 to ascend, the moving motor 43 drives the moving gear 410 to rotate on the rack 21, so that the material taking barrel 46 moves to the position above the limit port 415, the pressing disc 492 is driven to descend through the pressing cylinder 491 to push a crushed stone seal layer in the material taking barrel 46 into the limit port 415, the limit seat 48 carries out limit clamping on the crushed stone seal layer, the pressing cylinder 491 drives the pressing disc 492 to descend to press the crushed stone seal layer in the limit port 415 to simulate the pressure of an automobile walking on the crushed stone seal layer, a worker can observe whether the crushed stone seal layer is cracked or flooded under the pressing through the observation frame 47, the maximum amount of the asphalt to be wrapped on the crushed stone seal layer is measured, the phenomenon that the asphalt is too much or too little is avoided, after the test is finished, the fixed door 412 is opened, the pressing seat 414 is manually pressed, the four telescopic columns 413 are compressed, and the top of the tested crushed stone seal layer is exposed, the gravel seal can be taken down by holding the gravel seal, so that convenience is provided for the next test.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rubble seal coat is with wrapping up in advance and covering the biggest pitch quantity test equipment that gathers materials which characterized in that: including test table (1), L type seat (2), notes material subassembly (3), test subassembly (4), cooling module (5) and two material loading subassemblies (6), L type seat (2) and cooling module (5) set up respectively at the both ends at test table (1) top, two material loading subassembly (6) are the symmetry and set up the top in L type seat (2), annotate material subassembly (3) and slide and set up on test table (1), and annotate material subassembly (3) and be located between L type seat (2) and cooling module (5), test subassembly (4) are equipped with two parts, and partly test subassembly (4) slide and set up the top in L type seat (2), and another part test subassembly (4) set up the top in test table (1).

2. The apparatus for testing maximum asphalt dosage of aggregate pre-coated for chip sealing according to claim 1, wherein: each feeding assembly (6) comprises a feeding barrel (61), a feeding pipe (62), a feeding frame (63), a valve (64), a stirring motor (65), a stirring shaft (66), a fixing sleeve (67) and a plurality of stirring blades (68), wherein the feeding barrel (61) is arranged at the top of the L-shaped seat (2), the feeding pipe (62) is arranged at the bottom of the feeding barrel (61), the feeding pipe (62) is communicated with the inside of the feeding barrel (61), the bottom of the feeding pipe (62) penetrates through the L-shaped seat (2) and extends downwards, the fixing sleeve (67) is sleeved on the outer wall of the feeding pipe (62), the side wall of the fixing sleeve (67) is fixedly connected with the inner side wall of the L-shaped seat (2), the valve (64) is arranged in the feeding pipe (62), the feeding frame (63) is arranged at the top of the feeding barrel (61), and the feeding frame (63) is communicated with the inside of the feeding barrel (61), agitator motor (65) set up the top at last feed cylinder (61), and agitator motor's (65) output runs through feed cylinder (61) and inwards extend, (mixing) shaft (66) are vertical setting on agitator motor's (65) output, and are a plurality of stirring leaf (68) are equidistant setting on the outer wall of (mixing) shaft (66).

3. The apparatus for testing maximum asphalt dosage of aggregate pre-coated for chip sealing according to claim 2, wherein: annotate material subassembly (3) including annotating material frame (31), annotate material case (32), rotating electrical machines (33), threaded rod (34) and two closed block (35), annotate material frame (31) and slide and set up at the top of test table (1), and annotate the below that material frame (31) is located two material loading pipe (62), annotate material case (32) cartridge in annotating material frame (31), and install handle (36) on the lateral wall of annotating material case (32), threaded rod (34) rotate and set up on test table (1), and the bottom cover of annotating material frame (31) is established on threaded rod (34), rotating electrical machines (33) are installed on the lateral wall of test table (1), and the output of rotating electrical machines (33) runs through test table (1) and threaded rod (34) fixed connection, annotate the top of material frame (31) and offer two openings (37) that are the interval and set up, and two material loading pipe (62) cartridge respectively in two openings (37), two seal block (35) are the interval and slide the setting on annotating the interior roof of material frame (31), and a lateral wall of two seal block (35) is inconsistent with the outer wall of two material loading pipe (62) respectively, every all install two springs (38) that are the interval and set up on another lateral wall of seal block (35), and the lateral wall of every spring (38) all with annotate the inside wall fixed connection of material frame (31).

4. The apparatus for testing maximum asphalt dosage of aggregate pre-coated for chip sealing according to claim 1, wherein: the cooling assembly (5) comprises a condensation frame (51) and a plurality of condensation pipes (52), wherein the condensation frame (51) is arranged at the top of the test table (1), and the condensation pipes (52) are arranged on the inner top wall and the inner side wall of the condensation frame (51) respectively.

5. The apparatus for testing maximum asphalt dosage of aggregate pre-coated for chip sealing according to claim 1, wherein: the test assembly (4) comprises a 20866a jig (41), a moving seat (42), a moving motor (43), a lifting cylinder (44), a transverse plate (45), a material taking barrel (46), an observation frame (47), a limiting seat (48) and a pressing piece (49), wherein the 20866a jig (41) is arranged at the top of an L-shaped seat (2) in a sliding mode, a sliding opening is formed in the top of the L-shaped seat (2), the 20866a jig (41) is located right above the sliding opening, the moving seat (42) is arranged on the side wall of the 20866a jig (41), the moving motor (43) is arranged at the top of the moving seat (42), a moving gear (410) is arranged at the output end of the moving motor (43), a rack (21) is arranged at the top of the L-shaped seat (2), the moving gear (410) is meshed with the rack (21), the lifting cylinder (44) is arranged at the top of the 20866a jig (41), the output end of the lifting cylinder (44) penetrates through 20866;, the fixture (41) extends downwards, the transverse plate (45) is arranged at the output end of the lifting cylinder (44), the material taking barrel (46) is positioned under the transverse plate (45), the pressing piece (49) is arranged at the top of the material taking barrel (46), two L-shaped plates (411) which are symmetrically arranged are installed at the bottom of the transverse plate (45), the side walls of the two L-shaped plates (411) are connected with the outer wall of the material taking barrel (46), the bottom of the material taking barrel (46) is obliquely arranged, the observation frame (47) is arranged at the top of the test table (1), the limiting seat (48) is positioned in the observation frame (47), the side wall of the observation frame (47) is hinged with a fixing door (412), and four telescopic columns (413) which are arranged in a matrix are installed at the top of the limiting seat (48), the top of spacing seat (48) is equipped with presses seat (414), and the top of four flexible posts (413) all is connected with the bottom of pressing seat (414), spacing mouth (415) have all been seted up on the lateral wall of spacing seat (48) and pressing seat (414), viewing frame (47) are made for transparent material.

6. The apparatus for testing maximum asphalt dosage of aggregate pre-coated for chip sealing according to claim 5, wherein: the pressing piece (49) comprises a pressing air cylinder (491) and a pressing disc (492), the pressing disc (492) is located in the material taking barrel (46), the outer diameter of the pressing disc (492) is the same as the inner diameter of the material taking barrel (46), the pressing air cylinder (491) is arranged at the top of the material taking barrel (46), and the output end of the pressing air cylinder (491) penetrates through the material taking barrel (46) and is fixedly connected with the top of the pressing disc (492).