Uniform stone crushing device for highway construction

Abstract

The invention discloses a stone uniform crushing device for highway construction, and particularly relates to the technical field of stone crushing equipment, the stone uniform crushing device comprises three supporting legs, the upper ends of the two supporting legs located on the right side are jointly and fixedly connected with a crushing mechanism, and the upper end of the supporting leg located on the left side is fixedly connected with a transportation group; a screening group is arranged on the lower side of an inner cavity of the crushing mechanism, and the output end of the first driving part is connected with the rear side of the screening group through a belt in a winding mode. According to the device, a second driving part is started, a crushing group uniformly crushes stones under the cooperative use of a belt, a first transmission wheel and a fluted disc, a first driving part, a second transmission wheel, a first rotating shaft and a third transmission wheel are used in cooperation, a magnetic attraction conveying belt separates the crushed stones from doped reinforcing steel bars, and the crushing efficiency is improved. By means of the top frame, stuck materials in the crushing knife roll can be removed, the air bag can be compressed through the reverse force generated by removing the stuck materials, lubricating oil in the oil tank enters the shaft seat component through the oil outlet pipe, and the lubricating effect is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stone crushing equipment, in particular to a stone uniform crushing device for highway construction. BACKGROUND

[0002] Solid crushing refers to the process of breaking large solid pieces into small solid pieces by overcoming the cohesion between solid particles with external force. Crushing is one of the solid pretreatment technologies, which controls the size and shape of the solid, and is beneficial to the efficient use of the solid. In particular, during the foundation laying stage of highway construction, the stable support of the roadbed is crucial. The currently used stone crushing device for highway construction adopts a straight roller crushing structure, which causes a rigid impact in the crushing process, resulting in loud noise, large dust, and other problems. Therefore, a stone uniform crushing device for highway construction is needed.

[0003] Chinese Patent No. CN114657842B discloses a stone uniform crushing device for highway construction, which includes a collecting device and a crushing device that can slide on the collecting device. The collecting device has a feed inlet, and the discharge outlet of the crushing device is inserted into the feed inlet. The crushing device includes multiple crushing rollers that cooperate with each other. The discharge outlet of the crushing device is provided with a buffer device installed inside the feed inlet. The buffer device includes a baffle that seals the feed inlet and a buffer piece located below the discharge outlet of the crushing device. The collecting device includes a material collecting tank and a screening device that can be detachably installed inside the material collecting tank. The above-mentioned invention adjusts the position of the discharge outlet after crushing, so that the crushed stone uniformly falls on the screening device and is screened. The double-layer staggered screen improves the problem of easy clogging of the screen, and when the screening device is turned over due to clogging of the screen, the stone clogged in the screen gap is dislodged by the impact of the falling stone, saving time and effort. However, the following defects still exist during implementation: The above-mentioned patent document can uniformly screen the crushed stone during implementation, but the device cannot remove the clogging of the knife roller and cannot screen out the steel bars. SUMMARY

[0004] The main purpose of the present application is to provide a stone uniform crushing device for highway construction, which can effectively solve the problem of the device being unable to remove the clogging of the knife roller and being unable to screen out the steel bars.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is as follows: The utility model provides a stone even crushing device for highway construction, including three support legs, the upper end of two right side support legs is fixedly connected with crushing mechanism, the upper end of left side support leg is fixedly connected with transportation group, the right side of transportation group is fixedly connected with the left side of crushing mechanism, the lower side of crushing mechanism inner chamber is equipped with screening group, the rear part of transportation group lower side is equipped with driving part three, the rear part of crushing mechanism lower side is equipped with driving part two, the rear part of crushing mechanism lower side is equipped with driving part one, and driving part one is located in the right side of driving part two, and the output end of driving part one is connected with the rear side of screening group through the belt.

[0006] Preferably, the crushing mechanism includes a housing, the inner cavity of the housing is provided with a crushing group on the upper side, two tooth discs are provided on the front side of the crushing group, and the two tooth discs are engagedly connected, an arc-shaped plate is fixedly connected to the lower right side of the inner cavity of the housing, a discharge port is formed on the lower left end of the housing, an air exhaust component is fixedly connected to the right end of the housing, a fixed sleeve plate is fixedly connected to the upper side of the right wall of the inner cavity of the housing, a transmission component one is rotatably connected to the inner cavity of the fixed sleeve plate, a dust removal plate is provided on the outer surface of the transmission component one and the inner cavity of the fixed sleeve plate, the left end of the air exhaust component is attached to the right side of the outer surface of the dust removal plate, the rear part of the upper side of the screening group is engagedly connected to the rear side of the outer surface of the transmission component one, and a transmission wheel one is fixedly connected to the rear side of the crushing group.

[0007] Preferably, the lower end of the housing is fixedly connected to the upper end of the two right side support legs, the rear side of the middle part of the lower end of the housing is fixedly connected to the driving part two, and the rear side of the right part of the lower end of the housing is fixedly connected to the screening group.

[0008] Preferably, the crushing group includes two front and rear symmetrical shaft seat components, a crushing knife roller is rotatably connected to the inner cavities of the two shaft seat components with the same shaft, two L-shaped plates are fixedly connected to the lower ends of the two shaft seat components on the same side, two ejecting groups are symmetrically provided on the opposite surfaces of the two L-shaped plates, the outer surfaces of the two L-shaped plates are fixedly connected to the inner cavities of the housing on the upper sides of the two sides, the rear end of the crushing knife roller on the right side is fixedly connected to the transmission wheel one, and the front ends of the two crushing knife rollers are fixedly connected to the two tooth discs.

[0009] Preferably, each of the two ejecting groups includes a shell, a top frame is slidingly connected to one side of the inner cavity of each shell, an air bag is fixedly connected to the upper end of each top frame on the side away from each other, a one-way air valve is fixedly connected to the upper middle part of each air bag, an oil tank is fixedly connected to the upper side of the end away from each other of each air bag, the lower end of each oil tank is fixedly connected to the side away from each other of the bottom wall of the inner cavity of each shell, an oil inlet pipe is fixedly connected to the inner cavities of the two shells and the output end of each oil tank, the oil inlet pipe penetrates the inner cavity of the housing and is engagedly connected to a threaded cap, and an oil outlet pipe is fixedly connected to the lower end of each oil tank.

[0010] Preferably, the two oil outlet pipes on the same side are sequentially penetrated through the shell and the L-shaped plate and are fixedly connected with the input ends of the two shaft seat parts, and the two shells are fixedly connected with the left wall and the right wall of the inner cavity of the casing.

[0011] Preferably, the screening group comprises two connecting sleeve plates, the opposite sides of the left and right sides of the two connecting sleeve plates are jointly provided with rotating shafts one, the outer surfaces of the two rotating shafts one are jointly wound with a magnetic conveying belt, the lower left sides of the two connecting sleeve plates are jointly fixedly connected with a discharging plate, the lower right sides of the two connecting sleeve plates are jointly fixedly connected with a partition plate, the rear sides of the outer surfaces of the two discharging plates are penetrated through the connecting sleeve plates and are fixedly connected with transmission wheels three, the rear side of the outer surface of the discharging plate on the right side is fixedly connected with a bevel gear one, the outer surface of the bevel gear one is meshingly connected with a transmission part three, and the outer surface of the transmission part three is meshingly connected with a transmission part two.

[0012] Preferably, the two transmission wheels three are connected through a belt, the outer surfaces of the lower sides of the transmission part two and the transmission part three are jointly rotatably connected with the right part of the inner cavity of the connecting sleeve plate on the rear side, the two connecting sleeve plates are fixedly connected with the front wall and the rear wall of the inner cavity of the casing, the upper part of the outer surface of the transmission part two is meshingly connected with the transmission part one, and the rear end of the rotating shaft one on the right side is fixedly connected with the transmission wheel two.

[0013] Preferably, the transportation group comprises a U-shaped shell, the lower side of the inner cavity of the U-shaped shell is provided with left and right symmetrical rotating shafts two, the outer surfaces of the two rotating shafts two are jointly wound with a transportation belt, the rear end of the rotating shaft two on the left side penetrates through the inner cavity of the U-shaped shell and is fixedly connected with a transmission wheel four, the right rear part of the lower end of the U-shaped shell is fixedly connected with a driving part three, the outer surface of the transmission wheel four is connected with the output end of the driving part three through a belt, and the right end of the U-shaped shell is fixedly connected with the left end of the casing.

[0014] Compared with the prior art, the present application has the following beneficial effects: 1、The present application has a transportation group, a crushing mechanism and a screening group, through the cooperation of the belt, the transmission wheel one and the toothed disc under the start of the driving part two, the crushing group uniformly crushes the stone, through the cooperation of the driving part one, the transmission wheel two, the rotating shaft one and the transmission wheel three, the magnetic conveying belt separates the crushed stone from the mixed steel bars, in addition, through the rotation of the rotating shaft one under the cooperation of the bevel gear one, the transmission part three and the transmission part two, the transmission part one with the dust removal plate processes the dust on the surface of the air exhaust part, further enhancing the dust reduction effect of the device.

[0015] 2、The application can remove the jamming in the crushing knife roll through the top frame, and also compress the air bag through the reverse force generated by removing the jamming, so that the lubricating oil in the oil tank enters the shaft seat part through the oil outlet pipe to play a lubricating role, and the process of removing the jamming does not need manual shutdown for processing, which saves time and effort and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the application; Figure 2 It is another view of the overall structure of the application; Figure 3 It is a schematic diagram of the crushing mechanism of the application; Figure 4 It is another view of the crushing mechanism of the application; Figure 5 It is a schematic diagram of the crushing group of the application; Figure 6 It is a schematic diagram of the ejection group of the application; Figure 7 It is another view of the ejection group of the application; Figure 8 It is a schematic diagram of the screening group of the application; Figure 9 It is another view of the screening group of the application; Figure 10 It is a schematic diagram of the transportation group of the application.

[0017] In the figure: 1, support leg; 2, transportation group; 21, U-shaped shell; 22, transportation belt; 23, rotating shaft two; 24, transmission wheel four; 3, crushing mechanism; 31, machine shell; 32, crushing group; 321, L-shaped plate; 322, shaft seat part; 323, ejection group; 3231, threaded cap; 3232, oil inlet pipe; 3233, oil outlet pipe; 3234, air bag; 3235, oil tank; 3236, one-way air valve; 3237, outer shell; 3238, top frame; 324, crushing knife roll; 33, discharge port; 34, arc-shaped plate; 35, toothed disc; 36, fixed sleeve plate; 37, transmission part one; 38, dust removal plate; 39, air exhaust part; 390, transmission wheel one; 4, screening group; 41, connecting sleeve plate; 42, partition plate; 43, magnetic conveying belt; 44, rotating shaft one; 45, discharging plate; 46, transmission part two; 47, transmission wheel two; 48, transmission part three; 49, bevel gear one; 490, transmission wheel three; 5, driving part one; 6, driving part two; 7, driving part three. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] Example 1, as Figures 1-2 As shown, a stone uniform crushing device for highway construction includes three supporting legs 1. The upper ends of the two supporting legs 1 on the right are fixedly connected to a crushing mechanism 3. The upper end of the supporting leg 1 on the left is fixedly connected to a transport group 2. The right side of the transport group 2 is fixedly connected to the left side of the crushing mechanism 3. A screening group 4 is provided on the lower side of the inner cavity of the crushing mechanism 3. A driving component three 7 is provided on the lower rear part of the transport group 2. A driving component two 6 is provided on the lower rear part of the crushing mechanism 3. A driving component one 5 is provided on the lower rear part of the crushing mechanism 3, and the driving component one 5 is located on the right side of the driving component two 6. The output end of the driving component one 5 is connected to the rear side of the screening group 4 through a belt.

[0020] It should be noted that drive component 1 5 , drive component 2 6 and drive component 3 7 are all composed of drive motors and pulleys, wherein the specific installation method of the drive motors, the connection method of the circuits and the control method are all conventional designs and are conventional design means of designers.

[0021] First, the stone materials are waste concrete blocks and stones. The collected waste concrete blocks and stones are put into the crushing mechanism 3. By starting the driving component 2 6 and operating the crushing mechanism 3 in cooperation with the belt, the waste concrete blocks or stones are evenly crushed for recycling. When starting the driving component 2 6, the driving component 1 5 is also started. With the cooperation of the belt, the screening group 4 is driven to operate. The screening group 4 is used to screen out the steel bars mixed in the crushed stone materials. At the same time, through the operation of the screening group 4, the crushing mechanism 3 filters the dust generated during the crushing process to prevent dust from polluting the air. Then start the driving component 3 7. With the cooperation of the belt, the evenly crushed stone materials are discharged through the transport group 2, and the screened steel bars are discharged from the right side of the crushing mechanism 3.

[0022] In order to evenly crush the waste concrete blocks and stones, Figure 3 and Figure 4As shown, the crushing mechanism 3 includes a shell 31, the upper side of the inner cavity of the shell 31 is provided with a crushing group 32, the front side of the crushing group 32 is provided with two toothed discs 35, the two toothed discs 35 are engagedly connected, the lower right side of the inner cavity of the shell 31 is fixedly connected with an arc plate 34, the lower side of the left end of the shell 31 is provided with a discharge port 33, the middle of the right end of the shell 31 is fixedly connected with an exhaust component 39, the upper side of the right wall of the inner cavity of the shell 31 is fixedly connected with a fixed sleeve plate 36, the inner cavity of the fixed sleeve plate 36 is rotatably connected with a transmission component one 37, the outer surface of the transmission component one 37 and the inner cavity of the fixed sleeve plate 36 are jointly provided with a dust removal plate 38, the outer surface of the dust removal plate 38 is attached to the left end of the exhaust component 39, the rear side of the outer surface of the transmission component one 37 is engagedly connected with the upper rear part of the screening group 4, the rear side of the crushing group 32 is fixedly connected with a transmission wheel one 390, the lower end of the shell 31 is fixedly connected with the upper end of the two support legs 1 on the right side, the middle rear side of the lower end of the shell 31 is fixedly connected with the driving component two 6, and the lower right rear side of the shell 31 is fixedly connected with the screening group 4.

[0023] It should be noted that the exhaust component 39 is composed of a cover, an exhaust fan and a filter screen, the specific installation method, the circuit connection mode and the control method of the exhaust fan in the exhaust component 39 all belong to the conventional design, which is the conventional design means of the designer, the shell 31 is exhausted and the dust in the air is filtered by starting the exhaust component 39, the belt pulley in the driving component two 6 is matched with the transmission wheel one 390 and connected through a belt, the driving component two 6 is started, the transmission wheel one 390 is rotated through the belt, and the crushing group 32 is driven to work under the cooperation of the two toothed discs 35, the waste concrete blocks and stones are put into the crushing group 32 from the upper side of the inner cavity of the shell 31, the waste concrete blocks and stones are uniformly crushed by the crushing group 32, the crushed stones are dropped into the screening group 4, the uniformly crushed stones are discharged from the discharge port 33 through the screening group 4 and enter the transportation group 2, and the reinforcing steel bars are also screened out through the screening group 4, the screened reinforcing steel bars drop into the arc plate 34 and are discharged from the inner cavity of the shell 31 along the inclined surface of the arc plate 34, and finally the purpose of uniformly crushing the waste concrete blocks and stones is achieved.

[0024] Further description, as shown in the figure, Figure 5 The crushing group 32 includes two front and rear symmetrical shaft seat components 322, the inner cavities of the two shaft seat components 322 are jointly rotatably connected with a crushing knife roller 324, the lower ends of the two shaft seat components 322 are jointly fixedly connected with an L-shaped plate 321, the opposite surfaces of the two L-shaped plates 321 are jointly provided with left and right symmetrical ejection groups 323, the outer surfaces of the two L-shaped plates 321 are respectively fixedly connected with the upper parts of the front and rear sides of the inner cavity of the shell 31, the rear end of the crushing knife roller 324 on the right side is fixedly connected with the transmission wheel one 390, and the front ends of the two crushing knife rollers 324 are respectively fixedly connected with the two toothed discs 35.

[0025] It should be noted that the shaft seat part 322 is composed of a fixed seat, a cavity and a rotating bearing sleeve, the cavity is used to add lubricating oil, the outer surface of the crushing knife roller 324 is provided with a rotating bearing sleeve, when the transmission wheel 390 rotates, the crushing knife roller 324 on the right side will be driven to rotate, under the cooperation of the two toothed discs 35, the left crushing knife roller 324 is driven to rotate together with the right crushing knife roller 324, the L-shaped plate 321 is added to prevent dust generated in the crushing process from entering the inner cavity of the shaft seat part 322, if the dust accumulates too much, it will affect the rotation of the crushing knife roller 324 in the shaft seat part 322, and then affect the stability of the crushing knife roller 324 to the stone crushing.

[0026] In order to prevent the crushing knife roller 324 from being blocked, as shown in Figure 6 and Figure 7 , two ejection groups 323 each include a shell 3237, the inner cavity of the shell 3237 is slidably connected with a top frame 3238 on one side close to each other, the upper end of the top frame 3238 is fixedly connected with an air bag 3234 on one side away from each other, the upper end of the air bag 3234 is fixedly connected with a one-way air valve 3236 in the middle, the upper side of the end away from each other of the air bag 3234 is fixedly connected with an oil tank 3235, the lower end of the oil tank 3235 is fixedly connected with the inner cavity of the shell 3237 on one side away from each other, the output end of the oil tank 3235 penetrates the inner cavity of the shell 3237 and is fixedly connected with an oil inlet pipe 3232, the oil inlet pipe 3232 penetrates the inner cavity of the shell 31 and is meshingly connected with a threaded cap 3231, the lower end of the oil tank 3235 is fixedly connected with front and rear symmetrical oil outlet pipes 3233, the end away from the oil tank 3235 of the oil outlet pipe 3233 on the same side penetrates the shell 3237 and the L-shaped plate 321 in sequence and is fixedly connected with the input end of the two shaft seat parts 322, the end away from each other of the two shells 3237 is fixedly connected with the inner cavity left wall and the inner cavity right wall of the shell 31.

[0027] Need to explain, one-way air valve 3236 can only one-way air, open screw cap 3231, can pour lubricating oil into the oil pipe 3232, through the oil pipe 3232 into the two oil tank 3235 inner cavity, the left and right side of the top frame 3238 is respectively clamped in two broken knife roll 324 knife groove under side, when two broken knife roll 324 in the process of crushing stone clamping material, through the top frame 3238 to the card in broken knife roll 324 in the stone reinforcement ejection, and in the process of top out the reverse force, so that the top frame 3238 in the shell 3237 inner cavity upward movement, through the top frame 3238 upward movement will compress the air bag 3234, one-way air valve 3236 will not out of gas, will compress the lubricating oil in the oil tank 3235 through the oil outlet pipe 3233 into the shaft seat parts 322, to the shaft seat parts 322 inner cavity play lubricating effect, ultimately to remove the purpose of clamping material, also play the role of promoting air bag 3234 to the shaft seat parts 322 provides lubricating oil, in the process of removing the clamping material without manual stop processing, save time and effort, also improve the work efficiency.

[0028] Example two, this embodiment is based on example one, the device can screen out reinforcing steel bar, such as Figure 8 and Figure 9 As shown in the figure, the screening group 4 includes two connecting sleeve plates 41, the opposite sides of the two connecting sleeve plates 41 are provided with rotating shafts one 44, the outer surfaces of the two rotating shafts one 44 are jointly wrapped with a magnetic conveying belt 43, the lower left ends of the two connecting sleeve plates 41 are fixedly connected with a discharging plate 45, the lower right ends of the two connecting sleeve plates 41 are fixedly connected with a partition plate 42, the rear sides of the outer surfaces of the two discharging plates 45 penetrate through the connecting sleeve plates 41 and are fixedly connected with transmission wheels three 490, the rear side of the outer surface of the right discharging plate 45 is fixedly connected with a bevel gear one 49, the outer surface of the bevel gear one 49 is meshingly connected with a transmission component three 48, the outer surface of the transmission component three 48 is meshingly connected with a transmission component two 46, the two transmission wheels three 490 are connected through a belt, the outer surfaces of the lower side of the transmission component two 46 and the transmission component three 48 are jointly rotatably connected with the right part of the inner cavity of the rear connecting sleeve plate 41, the ends of the two connecting sleeve plates 41 away from each other are fixedly connected with the front wall and the rear wall of the inner cavity of the machine shell 31, the upper part of the outer surface of the transmission component two 46 is meshingly connected with the transmission component one 37, and the rear end of the right rotating shaft one 44 is fixedly connected with the transmission wheel two 47.

[0029] It needs to be explained that the transmission component three 48 and the transmission component two 46 are composed of a long rod and two bevel gears one 49, the belt pulley in the driving component one 5 is matched with the transmission wheel two 47 and connected through the belt, when the driving component one 5 drives the transmission wheel two 47 to rotate through the belt, it will drive the rotating shaft one 44 on the right side to rotate, through the cooperation of the two transmission wheels three 490 and the belt, it will drive the two rotating shafts one 44 to rotate at the same time, and then drive the magnetic conveying belt 43 to rotate, the broken stone falls on the magnetic conveying belt 43, and the broken stone is transported downward to the discharge plate 45 through the rotation of the magnetic conveying belt 43, the broken stone falls on the discharge plate 45 and is discharged into the transport group 2 along the discharge plate 45, while the reinforcing steel bars mixed in the broken stone are attracted by the magnetic conveying belt 43, and are moved to one side of the partition plate 42 by the magnetic conveying belt 43, and are scraped off from the surface of the magnetic conveying belt 43 by the partition plate 42, and fall into the inclined surface of the arc-shaped plate 34, and are discharged from the inner cavity of the shell 31 through the inclined surface of the arc-shaped plate 34, and finally the purpose of screening out the reinforcing steel bars is achieved, in addition, the rotation of the right rotating shaft one 44 will drive the bevel gear one 49 to drive the transmission component three 48 to rotate, and the rotation of the transmission component three 48 will drive the transmission component two 46 to rotate, the transmission component one 37 is composed of a two-way threaded rod and a bevel gear one 49, the rotation of the transmission component two 46 will drive the transmission component one 37 to rotate in the inner cavity of the fixed sleeve plate 36, the rotation of the transmission component one 37 will drive the dust removal plate 38 to slide back and forth in the inner cavity of the fixed sleeve plate 36, and the dust removal plate 38 will scrape off the dust on the filter screen in the air exhaust component 39 while sliding back and forth, and the scraped dust will also fall into the arc-shaped plate 34 and be automatically discharged, which can reduce the dust in the inner cavity of the shell 31, as shown in Figure 4

[0030] Further explanation, as shown in Figure 10 The transport group 2 includes a U-shaped shell 21, the inner cavity of the U-shaped shell 21 is provided with left and right symmetrical rotating shafts two 23, the outer surfaces of the two rotating shafts two 23 are jointly connected with a transport belt 22, the rear end of the left rotating shaft two 23 penetrates the inner cavity of the U-shaped shell 21 and is fixedly connected with a transmission wheel four 24, the lower right rear part of the U-shaped shell 21 is fixedly connected with a driving component three 7, the outer surface of the transmission wheel four 24 is connected with the output end of the driving component three 7 through a belt, and the right end of the U-shaped shell 21 is fixedly connected with the left end of the shell 31.

[0031] It needs to be explained that the belt pulley in the driving component three 7 is matched with the transmission wheel four 24 and connected through the belt, the belt and the transmission wheel four 24 are driven to rotate by the driving component three 7, the rotation of the transmission wheel four 24 will drive the rotating shaft two 23 to rotate the transport belt 22 to the left, the uniformly broken stone enters the transport belt 22 from the inner cavity of the discharge port 33 through the discharge plate 45, and the uniformly broken stone is discharged outside the device through the transport belt 22. ​

[0032] The foregoing merely illustrates the principles of the application and various features and advantages of the present application. It is the scope of the application that should be determined with reference to the claims that follow. The present application will be more fully understood with reference to the following examples. These examples are included herein for illustrative purposes only and should not be construed as limiting the scope of the present application.

Claims

1. A stone uniform crushing device for highway construction, comprising three support legs (1), characterized in that: The upper ends of the two support legs (1) on the right side are fixedly connected to a crushing mechanism (3), and the upper end of the support leg (1) on the left side is fixedly connected to a transport group (2). The right side of the transport group (2) is fixedly connected to the left side of the crushing mechanism (3). A screening group (4) is provided on the lower side of the inner cavity of the crushing mechanism (3). A driving component three (7) is provided on the rear lower side of the transport group (2). A driving component two (6) is provided on the rear lower side of the crushing mechanism (3). A driving component one (5) is provided on the rear lower side of the crushing mechanism (3), and the driving component one (5) is located on the right side of the driving component two (6). The output end of the driving component one (5) is connected to the rear side of the screening group (4) through a belt.

2. The stone uniform crushing device for highway construction according to claim 1, characterized in that: The crushing mechanism (3) includes a casing (31), a crushing group (32) is provided on the upper side of the inner cavity of the casing (31), two toothed discs (35) are provided on the front side of the crushing group (32), and the two toothed discs (35) are meshed and connected. An arc plate (34) is fixedly connected to the right part of the lower side of the inner cavity of the casing (31), a discharge port (33) is opened on the lower side of the left end of the casing (31), an exhaust component (39) is fixedly connected to the middle part of the right end of the casing (31), and the right wall of the inner cavity of the casing (31) is fixedly connected to the right side of the inner cavity of the casing (31). A fixed sleeve (36) is fixedly connected to the upper side, and a transmission component (37) is rotatably connected to the inner cavity of the fixed sleeve (36). A dust removal plate (38) is provided on the outer surface of the transmission component (37) and the inner cavity of the fixed sleeve (36). The right side of the outer surface of the dust removal plate (38) is in contact with the left end of the exhaust component (39). The rear side of the outer surface of the transmission component (37) is meshed with the upper rear part of the screening group (4). The rear side of the crushing group (32) is fixedly connected to a transmission wheel (390).

3. The stone uniform crushing device for highway construction according to claim 2, characterized in that: The left and right sides of the lower end of the casing (31) are respectively fixedly connected to the upper ends of the two support legs (1) on the right side, the rear side of the middle portion of the lower end of the casing (31) is fixedly connected to the second driving component (6), and the rear side of the right portion of the lower end of the casing (31) is fixedly connected to the screening group (4).

4. The stone uniform crushing device for highway construction according to claim 2, characterized in that: The crushing group (32) includes two front-to-back symmetrical shaft seat components (322), the inner cavities of the two shaft seat components (322) on the same axis are connected to the crushing roller (324) in a common rotation, the lower ends of the two shaft seat components (322) on the same side are fixedly connected to an L-shaped plate (321), and the opposite surfaces of the two L-shaped plates (321) are provided with a left-right symmetrical ejection group (323), the outer surfaces of the two L-shaped plates (321) are respectively fixedly connected to the upper parts of the front and back sides of the inner cavity of the casing (31), the rear end of the crushing roller (324) on the right side is fixedly connected to the transmission wheel (390), and the front ends of the two crushing rollers (324) are respectively fixedly connected to the two toothed discs (35).

5. The stone uniform crushing device for highway construction according to claim 4, characterized in that: The two ejection groups (323) each include a shell (3237), the inner cavities of the two shells (3237) are slidably connected to a top frame (3238) on one side close to each other, the upper ends of the two top frames (3238) are fixedly connected to an air bag (3234) on one side away from each other, the middle parts of the upper ends of the two air bags (3234) are fixedly connected to a one-way air valve (3236), and the upper sides of the ends of the two air bags (3234) away from each other are fixedly connected to an oil tank (3235). ), the lower ends of the two oil tanks (3235) are respectively fixedly connected to the sides of the bottom walls of the inner cavities of the two outer shells (3237) that are away from each other, the output ends of the two oil tanks (3235) both pass through the inner cavity of the outer shell (3237) and are fixedly connected to an oil inlet pipe (3232), the oil inlet pipe (3232) passes through the inner cavity of the casing (31) and is engaged with a threaded cover (3231), and the lower ends of the two oil tanks (3235) are both fixedly connected to front-to-back symmetrical oil outlet pipes (3233).

6. The stone uniform crushing device for highway construction according to claim 5, characterized in that: The ends of the two oil outlet pipes (3233) on the same side that are away from the oil tank (3235) pass through the outer shell (3237) and the L-shaped plate (321) in sequence and are fixedly connected to the input ends of the two shaft seat components (322), respectively. The ends of the two outer shells (3237) that are away from each other are fixedly connected to the left wall and the right wall of the inner cavity of the casing (31), respectively.

7. The stone uniform crushing device for highway construction according to claim 2, characterized in that: The screening group (4) includes two connecting sleeves (41), and the left and right sides of the opposite surfaces of the two connecting sleeves (41) are both provided with a rotating shaft (44), and the outer surfaces of the two rotating shafts (44) are both wound with a magnetic conveyor belt (43). The left sides of the lower ends of the two connecting sleeves (41) are both fixedly connected with a blanking plate (45), and the right sides of the lower ends of the two connecting sleeves (41) are both fixedly connected with a partition (42). The rear sides of the outer surfaces of the two blanking plates (45) pass through the connecting sleeve (41) and are fixedly connected with a transmission wheel three (490). The rear side of the outer surface of the blanking plate (45) on the right side is fixedly connected with a bevel gear one (49), and the outer surface of the bevel gear one (49) is meshed with a transmission component three (48), and the outer surface of the transmission component three (48) is meshed with a transmission component two (46) on the right side.

8. The stone uniform crushing device for highway construction according to claim 7, characterized in that: The two transmission wheels three (490) are connected by a belt, and the lower side of the outer surface of the transmission component two (46) and the outer surface of the transmission component three (48) are rotatably connected to the right part of the inner cavity of the rear connecting sleeve (41), and the ends of the two connecting sleeves (41) that are away from each other are fixedly connected to the front wall and the rear wall of the inner cavity of the casing (31), respectively. The upper side of the outer surface of the transmission component two (46) is meshed with the transmission component one (37), and the rear end of the rotating shaft one (44) on the right side is fixedly connected to the transmission wheel two (47).

9. The stone uniform crushing device for highway construction according to claim 2, characterized in that: The transport group (2) includes a U-shaped shell (21), and a left-right symmetrical rotating shaft (23) is provided on the lower side of the inner cavity of the U-shaped shell (21). The outer surfaces of the two rotating shafts (23) are commonly wound and connected with a transport belt (22). The rear end of the rotating shaft (23) on the left side passes through the inner cavity of the U-shaped shell (21) and is fixedly connected to a transmission wheel (24). The right rear part of the lower end of the U-shaped shell (21) is fixedly connected to the driving component (7). The outer surface of the transmission wheel (24) is connected to the output end of the driving component (7) through a belt. The right end of the U-shaped shell (21) is fixedly connected to the left end of the casing (31).

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