Gravel material mixing equipment for highway construction
By designing a sand and gravel mixing device with a weighing tank and a mixing rack, the problems of improper proportioning and dust pollution were solved, achieving high-quality mixing and dust removal effects.
Patent Information
- Application Number
- CN202520332634.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing sand and gravel mixing equipment can affect the mixing quality when the proportions are not appropriate, and the lack of dust removal devices leads to environmental pollution.
A mixing device including a weighing bucket, a stirring rack, and a dust removal device was designed. By precisely controlling the raw material ratio and equipping it with a dust removal system, the mixing quality is ensured and dust is handled.
It enables precise control of the raw material ratio of sand and gravel, ensuring the mixing quality and effectively removing dust, thus reducing environmental pollution.
Smart Images
Figure CN223915305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of highway construction, particularly to the sand and gravel mixing equipment for highway construction. BACKGROUND
[0002] Highway construction refers to a series of construction and maintenance activities carried out on existing roads or newly planned routes to ensure the safety, traffic capacity and service life of the highway.
[0003] The sand and gravel mixing equipment used in highway construction is mainly used to uniformly mix different types and specifications of aggregates (such as sand, gravel, etc.) with cement, asphalt or other binding materials in a certain proportion to produce concrete or asphalt mixture that meets engineering requirements.
[0004] However, the existing sand and gravel mixing equipment may have an inappropriate proportioning ratio of sand and gravel, which affects the quality of the mixed sand and gravel. Moreover, dust may be generated during the mixing of the existing sand and gravel, but the existing mixing device lacks a dust removal device, which may pollute the environment. INVENTION CONTENTS
[0005] To solve the above technical problems, the utility model provides a sand and gravel mixing equipment for highway construction, which can accurately control the proportioning of raw materials of sand and gravel, ensure the quality of sand and gravel mixing, and facilitate the treatment of dust generated during the mixing of sand and gravel.
[0006] The sand and gravel mixing equipment for highway construction comprises a mixing and heating box, a weighing barrel, a control valve, a feed pipe, four scales, a discharge valve, a motor, two stirring frames, two sprockets, a chain, a controller and a dust removal device. The weighing barrel is provided with four supporting rods at the bottom end. The four scales are installed at the top left side of the mixing and heating box. The four supporting rods are connected to the four scales at the bottom end. The weighing barrel is provided with a feed inlet at the top end. The control valve is installed at the output end of the weighing barrel. The feed pipe is installed at the top left part of the mixing and heating box. The feed pipe corresponds to the position of the output end of the weighing barrel. The controller is installed at the top left front side of the mixing and heating box. The controller is electrically connected to the four scales. The mixing and heating box is provided with a discharge pipe at the right end and the lower side. The discharge valve is installed on the discharge pipe. The motor is installed at the top right side of the mixing and heating box. The two stirring frames are rotatably installed at the left and right parts of the mixing and heating box. The two sprockets are installed at the top of the two stirring frames. The two sprockets are engaged with the chain. The output end of the motor is connected to the top of the right stirring frame through the top of the mixing and heating box. The dust removal device is installed at the rear end of the mixing and heating box. The dust removal device is communicated with the mixing and heating box.
[0007] Preferably, the dust removal device comprises a dust suction pipe, a filter box, a filter screen and an air pump, the input end of the dust suction pipe is communicated with the top end of the mixed heating box, a dust suction hopper is arranged at the top end in the mixed heating box, the dust suction hopper is communicated with the dust suction pipe, the output end of the dust suction pipe is communicated with the top end of the filter box, the filter box is installed at the rear end of the mixed heating box, the filter screen is installed on the filter box, and the air pump is installed at the bottom end of the filter screen, and the input end of the air pump is communicated with the bottom end of the filter box.
[0008] Preferably, the alarm is installed at the top end of the mixed heating box, and the alarm is electrically connected with the controller.
[0009] Preferably, the device further comprises a moving plate, four groups of supporting legs, four groups of rollers and a discharging device, the four groups of supporting legs are respectively installed at the left front side, the left rear side, the right front side and the right rear side of the bottom end of the moving plate, the four groups of rollers are respectively installed at the bottom end of the four groups of supporting legs, and the mixed heating box is installed at the top end of the moving plate through the discharging device.
[0010] Preferably, the discharging device comprises two groups of vertical plates, four groups of fixing seats and two groups of electric push rods, the two groups of vertical plates are respectively installed at the front side and the rear side of the top end of the moving plate, the mixed heating box is rotatably installed on the two groups of vertical plates, the four groups of fixing seats are respectively installed at the left side of the top end of the moving plate and the lower side of the left end of the mixed heating box, the two groups of electric push rods are respectively rotatably installed on the lower two groups of fixing seats, and the output ends of the two groups of electric push rods are respectively rotatably connected with the upper two groups of fixing seats.
[0011] Preferably, the device further comprises a plurality of temperature sensors, the plurality of temperature sensors are evenly installed on the inner wall of the mixed heating box, the plurality of temperature sensors are electrically connected with the controller, and the controller is electrically connected with the mixed heating box.
[0012] Preferably, the device further comprises two groups of cushion blocks, the left side and the right side of the top end of the mixed heating box are provided with grooves, the two groups of cushion blocks slide in the two groups of grooves, and the top ends of the two groups of cushion blocks are in contact with the bottom end of the mixed heating box.
[0013] Preferably, the chain wheel and the chain are made of stainless steel.
[0014] Compared with the prior art, the device has the advantages that: the materials are introduced into the weighing barrels through the feed ports, the four groups of scales weigh the materials in the weighing barrels, when the materials in the weighing barrels reach the set value, the control valve is opened, the materials in the weighing barrels are introduced into the mixed heating box through the feed pipes, the above operation is repeated to introduce a plurality of materials into the mixed heating box, then the motor is started, the motor drives the right stirring frame to rotate, the right stirring frame drives the left stirring frame to rotate through the two groups of chain wheels and chains, the two groups of stirring frames mix the sand and gravel, and the dust removal device is opened to process the dust in the mixed heating box, through the device, the raw material ratio of the sand and gravel can be accurately controlled, the quality of the mixed sand and gravel is ensured, and the dust generated in the mixing of the sand and gravel can be conveniently processed. Attached Figure Description
[0015] Figure 1 This is a first-view structural schematic diagram of the present invention;
[0016] Figure 2 This is a second-view structural schematic diagram of the present invention;
[0017] Figure 3 yes Figure 1 A magnified structural diagram of A in the middle;
[0018] Figure 4 yes Figure 2 A magnified structural diagram of B in the diagram;
[0019] The following are labels in the attached diagram: 1. Mixing and heating box; 2. Weighing bucket; 3. Feed inlet; 4. Support rod; 5. Control valve; 6. Feed pipe; 7. Scale; 8. Discharge pipe; 9. Discharge valve; 10. Motor; 11. Mixing rack; 12. Sprocket; 13. Chain; 14. Moving plate; 15. Support leg; 16. Roller; 17. Vertical plate; 18. Fixed base; 19. Electric push rod; 20. Temperature sensor; 21. Dust suction pipe; 22. Filter box; 23. Filter screen; 24. Air pump; 25. Controller; 26. Alarm; 27. Pad block. Detailed Implementation
[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0021] like Figures 1 to 4As shown in the utility model discloses a highway construction sand and gravel mixing equipment, including mixed heating box 1, weighing bucket 2, control valve 5, feed pipe 6, four groups of scales 7, discharge valve 9, motor 10, two groups of stirring frame 11, two groups of chain wheel 12, chain 13, controller 25 and dust removal device, weighing bucket 2 bottom end is provided with four groups of support 4, four groups of scales 7 are installed at the top left side of mixed heating box 1, four groups of support 4 bottom end are connected with four groups of scales 7, and the top of weighing bucket 2 is provided with feed inlet 3, control valve 5 is installed at the output end of weighing bucket 2, feed pipe 6 is installed at the top left part of mixed heating box 1, and the output end position of feed pipe 6 corresponds to weighing bucket 2, and controller 25 is installed at the top left front side of mixed heating box 1, and controller 25 is electrically connected with four groups of scales 7, and mixed heating box 1 right end lower side is provided with discharge pipe 8 in communication, and discharge valve 9 is installed on discharge pipe 8, and motor 10 is installed at the top right side of mixed heating box 1, and two groups of stirring frame 11 are rotatably installed in the left part and the right part of mixed heating box 1 respectively, and two groups of chain wheel 12 are installed at the top of two groups of stirring frame 11 respectively, and two groups of chain wheel 12 are engaged with chain 13, and the output end of motor 10 passes through the top of mixed heating box 1 and is connected with the top of right stirring frame 11, and dust removal device is installed at the rear end of mixed heating box 1, and dust removal device is communicated with mixed heating box 1;
[0022] The material is introduced into the weighing bucket 2 through the feed inlet 3, and the four groups of scales 7 weigh the material in the weighing bucket 2, when the material in the weighing bucket 2 reaches the set value, the control valve 5 is opened, and the material in the weighing bucket 2 is introduced into the mixed heating box 1 through the feed pipe 6, and the above operation is repeated to introduce a plurality of materials into the mixed heating box 1, then the motor 10 is turned on, the motor 10 drives the right stirring frame 11 to rotate, the right stirring frame 11 drives the left stirring frame 11 to rotate through the two groups of chain wheels 12 and the chain 13, and the two groups of stirring frames 11 mix the sand and gravel, and the dust removal device is opened at the same time, and the dust removal device processes the dust in the mixed heating box 1, through the setting of the equipment, not only the raw material ratio of the sand and gravel can be accurately controlled, the quality of the sand and gravel mixing is guaranteed, and the dust generated in the sand and gravel mixing is conveniently processed.
[0023] As a preferred embodiment of the above, the dust removal device comprises a dust suction pipe 21, a filter box 22, a filter screen 23 and an air pump 24, the input end of the dust suction pipe 21 is communicated with the top end of the mixed heating box 1, a dust suction hopper is arranged at the top end in the mixed heating box 1, the dust suction hopper is communicated with the dust suction pipe 21, the output end of the dust suction pipe 21 is communicated with the top end of the filter box 22, the filter box 22 is installed at the rear end of the mixed heating box 1, the filter screen 23 is installed on the filter box 22, and the air pump 24 is installed at the bottom end of the filter screen 23, and the input end of the air pump 24 is communicated with the bottom end of the filter box 22;
[0024] By setting the dust suction pipe 21, the filter box 22, the filter screen 23 and the air pump 24, when the air pump 24 is turned on, the dust generated by the mixing of the sand and stone materials in the mixing and heating box 1 is introduced into the filter box 22 through the dust suction hopper and the dust suction pipe 21, and the air is filtered through the filter screen 23 and then discharged through the air pump 24, thereby treating the dust generated by the mixing of the sand and stone materials in the mixing and heating box 1.
[0025] As a preferred embodiment of the above, the alarm 26 is installed at the top end of the mixing and heating box 1, and the alarm 26 is electrically connected to the controller 25.
[0026] By setting the alarm 26, when the material in the weighing bucket 2 reaches the set value, the controller 25 controls the alarm 26 to alarm, thereby warning the staff.
[0027] As a preferred embodiment of the above, the moving plate 14, the four sets of supporting legs 15, the four sets of rollers 16 and the discharging device are further included, the four sets of supporting legs 15 are respectively installed at the left front side, the left rear side, the right front side and the right rear side of the bottom end of the moving plate 14, the four sets of rollers 16 are respectively installed at the bottom end of the four sets of supporting legs 15, and the mixing and heating box 1 is installed at the top end of the moving plate 14 through the discharging device.
[0028] By setting the moving plate 14, the supporting legs 15, the rollers 16 and the discharging device, the four sets of rollers 16 are rotated to drive the whole mixing and heating box 1 to move, thereby improving the flexibility of the mixing and heating box 1.
[0029] As a preferred embodiment of the above, the discharging device includes the two sets of vertical plates 17, the four sets of fixed seats 18 and the two sets of electric push rods 19, the two sets of vertical plates 17 are respectively installed at the front side and the rear side of the top end of the moving plate 14, the mixing and heating box 1 is rotatably installed on the two sets of vertical plates 17, the four sets of fixed seats 18 are respectively installed at the left side of the top end of the moving plate 14 and the lower side of the left end of the mixing and heating box 1, the two sets of electric push rods 19 are respectively rotatably installed on the lower two sets of fixed seats 18, and the output ends of the two sets of electric push rods 19 are respectively rotatably connected to the upper two sets of fixed seats 18.
[0030] By setting the vertical plates 17, the fixed seats 18 and the electric push rods 19, when it is needed to discharge the mixed sand and stone materials, the two sets of electric push rods 19 are turned on to drive the mixing and heating box 1 to rotate around the two sets of vertical plates 17, so that the sand and stone materials in the mixing and heating box 1 are discharged through the discharge pipe 8, thereby facilitating the discharge of the sand and stone materials in the mixing and heating box 1.
[0031] As a preferred embodiment of the above, a plurality of temperature sensors 20 are further included, the plurality of temperature sensors 20 are respectively and uniformly installed on the inner wall of the mixing and heating box 1, the plurality of temperature sensors 20 are electrically connected to the controller 25, and the controller 25 is electrically connected to the mixing and heating box 1.
[0032] By setting the temperature sensor 20, the temperature of the sand and stone materials in the mixing heating box 1 can be detected, so that the temperature of the mixing heating box 1 can be controlled.
[0033] As a preferred embodiment of the above, two groups of pads 27 are further included, and the left side and the right side of the top end of the mixing heating box 1 are provided with two groups of sliding grooves, and the two groups of pads 27 slide in the two groups of sliding grooves, and the top ends of the two groups of pads 27 are in contact with the bottom end of the mixing heating box 1.
[0034] By setting the pads 27, the two groups of pads 27 are slid in the two groups of sliding grooves of the mixing heating box 1 to the appropriate positions, and the two groups of pads 27 can support the mixing heating box 1, and when the sand and stone materials in the mixing heating box 1 need to be poured out, the two groups of pads 27 are slid to the specified positions, so that the mixing heating box 1 is not interfered.
[0035] As a preferred embodiment of the above, the chain wheel 12 and the chain 13 are made of stainless steel.
[0036] The stainless steel has high hardness and is not easy to deform and damage, and the surface of the stainless steel is smooth and not easy to adhere to materials.
[0037] The sand and stone material mixing equipment for highway construction is used, and when working, the material is first introduced into the weighing barrel 2 through the feeding port 3, and the four groups of scales 7 weigh the material in the weighing barrel 2. When the material in the weighing barrel 2 reaches the set value, the control valve 5 is opened, and the material in the weighing barrel 2 is introduced into the mixing heating box 1 through the feeding pipe 6. The above operation is repeated to introduce a plurality of materials into the mixing heating box 1. Then the motor 10 is turned on, and the motor 10 drives the right stirring frame 11 to rotate. The right stirring frame 11 drives the left stirring frame 11 to rotate through the two groups of chain wheels 12 and chains 13. The two groups of stirring frames 11 mix the sand and stone materials. At the same time, the air pump 24 is opened, and the dust generated by the mixing of the sand and stone materials in the mixing heating box 1 is introduced into the filter box 22 through the dust suction hopper and the dust suction pipe 21. The air is filtered through the filter screen 23 and then discharged through the air pump 24. When the sand and stone materials need to be discharged, the discharge valve 9 is opened, and then the two groups of electric push rods 19 are opened. The two groups of electric push rods 19 drive the mixing heating box 1 to rotate around the two groups of vertical plates 17, so that the sand and stone materials in the mixing heating box 1 can be discharged through the discharge pipe 8.
[0038] The sand and stone material mixing equipment for highway construction is used, and when working, the material is first introduced into the weighing barrel 2 through the feeding port 3, and the four groups of scales 7 weigh the material in the weighing barrel 2. When the material in the weighing barrel 2 reaches the set value, the control valve 5 is opened, and the material in the weighing barrel 2 is introduced into the mixing heating box 1 through the feeding pipe 6. The above operation is repeated to introduce a plurality of materials into the mixing heating box 1. Then the motor 10 is turned on, and the motor 10 drives the right stirring frame 11 to rotate. The right stirring frame 11 drives the left stirring frame 11 to rotate through the two groups of chain wheels 12 and chains 13. The two groups of stirring frames 11 mix the sand and stone materials. At the same time, the air pump 24 is opened, and the dust generated by the mixing of the sand and stone materials in the mixing heating box 1 is introduced into the filter box 22 through the dust suction hopper and the dust suction pipe 21. The air is filtered through the filter screen 23 and then discharged through the air pump 24. When the sand and stone materials need to be discharged, the discharge valve 9 is opened, and then the two groups of electric push rods 19 are opened. The two groups of electric push rods 19 drive the mixing heating box 1 to rotate around the two groups of vertical plates 17, so that the sand and stone materials in the mixing heating box 1 can be discharged through the discharge pipe 8.
[0039] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as falling within the protection scope of the present application.
Claims
1. A sand-gravel mixing apparatus for road construction, characterized by comprising: The utility model relates to a kind of mixing heating box (1), weighing bucket (2), control valve (5), feed pipe (6), four groups of scales (7), discharge valve (9), motor (10), two groups of stirring frame (11), two groups of chain wheel (12), chain (13), controller (25) and dust removal device, weighing bucket (2) bottom end is provided with four groups of support rod (4), four groups of scales (7) are installed at the top left side of mixing heating box (1), four groups of support rod (4) bottom end are connected with four groups of scales (7), weighing bucket (2) top is communicated and is provided with feed inlet (3), control valve (5) is installed at the output of weighing bucket (2), feed pipe (6) is installed at the top left part of mixing heating box (1), feed pipe (6) is positionally corresponding with the output of weighing bucket (2), controller (25) is installed at the top left front side of mixing heating box (1), controller (25) is electrically connected with four groups of scales (7), mixing heating box (1) right end lower side is communicated and is provided with discharge pipe (8), discharge valve (9) is installed on discharge pipe (8), motor (10) is installed at the top right side of mixing heating box (1), two groups of stirring frame (11) are rotatably installed in left part and right part in mixing heating box (1) respectively, two groups of chain wheel (12) are installed at the top of two groups of stirring frame (11) respectively, and two groups of chain wheel (12) are engaged with chain (13), and the output end of motor (10) passes through the top of mixing heating box (1) and is connected with the top of right stirring frame (11), dust removal device is installed at the rear end of mixing heating box (1), and dust removal device is communicated with mixing heating box (1).
2. The sand-gravel mixing apparatus for road construction according to Claim 1, wherein Dust removal device includes dust suction pipe (21), filter box (22), filter screen (23) and air pump (24), dust suction pipe (21) input end is communicated with the top of mixing heating box (1), and the top in mixing heating box (1) is provided with dust suction hopper, and dust suction hopper is communicated with dust suction pipe (21), and dust suction pipe (21) output end is communicated with the top of filter box (22), and filter box (22) is installed at the rear end of mixing heating box (1), and filter screen (23) is installed on filter box (22), and air pump (24) is installed at the bottom of filter screen (23), and air pump (24) input end is communicated with the bottom of filter box (22).
3. The sand-gravel mixing apparatus for road construction according to claim 2, wherein Still including alarm (26), alarm (26) is installed at the top of mixing heating box (1), and alarm (26) is electrically connected with controller (25).
4. The sand-gravel mixing apparatus for road construction according to Claim 3, wherein Still including moving plate (14), four groups of supporting legs (15), four groups of rollers (16) and discharging device, four groups of supporting legs (15) are respectively installed at the left front side, left rear side, right front side and right rear side of the bottom of moving plate (14), four groups of rollers (16) are respectively installed at the bottom of four groups of supporting legs (15), and mixing heating box (1) is installed at the top of moving plate (14) through discharging device.
5. The sand-gravel mixing apparatus for road construction according to claim 4, wherein The blanking device comprises two groups of vertical plates (17), four groups of fixed seats (18) and two groups of electric push rods (19), the two groups of vertical plates (17) are respectively arranged on the front side and the rear side of the top end of the moving plate (14), the mixed heating box (1) is rotatably arranged on the two groups of vertical plates (17), the four groups of fixed seats (18) are respectively arranged on the left side of the top end of the moving plate (14) and the lower side of the left end of the mixed heating box (1), and the two groups of electric push rods (19) are rotatably arranged on the two groups of fixed seats (18) on the lower side, and the output ends of the two groups of electric push rods (19) are rotatably connected with the two groups of fixed seats (18) on the upper side.
6. The sand-gravel mixing apparatus for road construction according to claim 5, wherein It also comprises a plurality of temperature sensors (20), which are evenly arranged on the inner wall of the mixed heating box (1), and are electrically connected with the controller (25), and the controller (25) is electrically connected with the mixed heating box (1).
7. The sand-gravel mixing apparatus for road construction according to claim 6, wherein It also comprises two groups of cushion blocks (27), the left side and the right side of the top end of the mixed heating box (1) are provided with grooves, the two groups of cushion blocks (27) slide in the two groups of grooves, and the top ends of the two groups of cushion blocks (27) are in contact with the bottom end of the mixed heating box (1).
8. The sand-gravel mixing apparatus for road construction according to Claim 7, wherein The chain wheel (12) and the chain (13) are made of stainless steel.