Material conveying device for vehicle-mounted special cement stirring equipment

Abstract

The invention relates to the field of conveying equipment, and provides a material conveying device for vehicle-mounted special cement stirring equipment, the material conveying device is applied to vehicle-mounted equipment, and the vehicle-mounted equipment comprises stirring equipment and water storage equipment; the device further comprises a plurality of material bins, a gravel bin, an additive bin, a first spiral conveyor, a second spiral conveyor, a belt conveyor and a weighing mechanism. A first spiral conveyor is arranged at the bottom of each material bin, the first spiral conveyors are communicated with the material bins, and the discharging ends of the first spiral conveyors are located above the stirring equipment; a belt conveyor is arranged at the bottom of the gravel bin, is provided with a weighing system, is communicated with the stirring equipment and is used for conveying gravel to the stirring equipment; the second screw conveyor is communicated with the additive bin, the discharging end of the second screw conveyor is connected with the discharging end of any first screw conveyor, and the first screw conveyors and the second screw conveyor convey materials at intervals. The method has the effect of providing the accurate proportion of the special cement.

Description

Technical Field

[0001] The present application relates to the field of conveying equipment, and particularly to a material conveying device for a vehicle-mounted special cement mixing equipment. Background Art

[0002] Special cement refers to cement varieties with certain unique properties, suitable for specific uses, or capable of playing special roles and endowing buildings with special functions, including special cement and special-purpose cement.

[0003] Some special cements have the characteristic of rapid hardening. If they are mixed and then transported to the construction site, hardening of the special cement is likely to occur during transportation. Therefore, when considering vehicle-mounted transportation of special cement, a mixing device is set on the vehicle to mix and form while traveling to avoid hardening of the special cement.

[0004] However, during the transportation process of the vehicle-mounted equipment, it will experience road bumps and other situations. The mixing of special cement requires a variety of specific materials and is mixed in precise proportions. The bumpy road conditions cause the feeding amount of the materials to be poured out more due to the bumps, resulting in a deviation in the mixing ratio of the special cement, making it difficult to obtain an accurate material ratio for the special cement to be mixed and formed. Summary of the Invention

[0005] In order to improve the above problems, the present application provides a material conveying device for a vehicle-mounted special cement mixing equipment.

[0006] The material conveying device for a vehicle-mounted special cement mixing equipment provided by the present application adopts the following technical solutions: A material conveying device for a vehicle-mounted special cement mixing equipment is applied to a vehicle-mounted device. The vehicle-mounted device includes a mixing device and a water storage device; it also includes a plurality of material bins, a sand and gravel bin, an additive bin, a first screw conveyor, a second screw conveyor, a belt conveyor, and a weighing mechanism; a first screw conveyor is provided at the bottom of each single material bin. The first screw conveyor is in a communicating state with the material bin, and the discharge end of the first screw conveyor is located above the mixing device; a belt conveyor is provided at the bottom of the sand and gravel bin. The belt conveyor is equipped with its own weighing system and is connected to the mixing device to convey sand and gravel to the mixing device; the second screw conveyor is connected to the additive bin, and the discharge end is connected to the discharge end of any first screw conveyor. The first screw conveyor and the second screw conveyor convey materials at intervals; the weighing mechanism is connected to the discharge end of the first screw conveyor to provide material quantification, and the bottom is the mixing device. After quantification, the materials fall into the mixing device.

[0007] By adopting the above technical solution, through the proportioning of special cement, the accurate conveying quantity of the materials in the first screw conveyor, the second screw conveyor and the material bin is achieved. The materials are conveyed to the weighing mechanism through the first screw conveyor and quantitatively weighed. Subsequently, the additives in the additive bin are conveyed to the weighing mechanism through the second screw conveyor and superimposed on the materials for superimposed weighing. At the same time, the sand and gravel in the sand and gravel bin are synchronously weighed and conveyed through the belt conveyor, completing the quantitative measurement and conveying of the overall materials, and making the proportioning of the special cement accurate.

[0008] Optionally, the weighing mechanism includes a weighing box, a metering member and a feeding pipe; the weighing box is in a closed state, the metering member is installed in the weighing box, the feeding pipe is installed at the bottom of the weighing box and is connected to the mixing equipment; above the weighing box is the first screw conveyor or the second screw conveyor, and the discharge end of the first screw conveyor or the second screw conveyor is inserted into the weighing box.

[0009] By adopting the above technical solution, the first screw conveyor and the second screw conveyor are both connected with a feeding pipe inserted into the weighing box from top to bottom, making the overall weighing environment a closed environment, so that the materials will not pour out or be lost. After the materials enter the weighing box, they are weighed and metered by the metering member to achieve the quantitative proportioning of the materials. The materials after the metering is completed are conveyed into the mixing equipment through the feeding pipe.

[0010] Optionally, the weighing mechanism is also provided with an inclination mechanism, and the inclination mechanism connects all the metering members of the weighing mechanism and synchronously drives the metering members to incline and discharge materials.

[0011] By adopting the above technical solution, the inclination mechanism can incline a single metering member and can also incline all the metering members uniformly to discharge materials, making the conveying of the materials synchronous.

[0012] Optionally, the inclination mechanism includes a moving rod, a contact part, a receiving part, a reset part, a pivoting part and a driving part; the pivoting part penetrates through all the weighing boxes and is pivotally connected to the weighing boxes, and all the metering members are connected to the pivoting part; the contact part is installed on the inner wall of the weighing box; the weighing box is also provided with a through hole, and the moving rod penetrates through the through hole and passes through all the weighing boxes; the receiving part is installed on the moving rod, and the metering member abuts against the receiving part; the reset part is installed on the pivoting part; the driving part is located outside the weighing box and is connected to the moving rod to provide driving for the moving rod to move.

[0013] By adopting the above technical solution, when the material falls onto the surface of the metering part and reaches the ratio metering, the driving part drives the moving rod to move. The moving rod synchronously drives all the receiving parts to move and move out of the receiving range of the metering part. The metering part loses the receiving of the receiving part and is tilted under the influence of the pressure of the material. At the same time, the pivoting part rotates. The tilting effect causes the material to fall from the metering part to the weighing box. After the material falls, the metering part loses the pressure influence of the material. The pivoting part drives the metering part to rotate and reset through the reset action of the reset part until the metering part abuts against the abutting part. Subsequently, the driving part reversely drives the moving rod to make the receiving part return to the receiving range of the metering part, and the metering part can perform the next round of quantitative material metering.

[0014] Optionally, a pressing part is further provided on the moving rod on one side of the receiving part. When the moving rod moves, the pressing part moves synchronously and abuts against the metering part.

[0015] By adopting the above technical solution, the moving part makes the pressing part move and contact the metering part. As the moving rod moves, the inclined surface of the pressing part pushes the metering part downward, so that the metering part is tilted by the force. In this way, the metering part with a small amount of material can be tilted to achieve the purpose of discharging materials.

[0016] Optionally, the metering part is further provided with an upper pressing part, and the upper pressing part abuts against the lower pressing part.

[0017] By adopting the above technical solution, when the lower pressing part contacts the upper pressing part, the lower pressing part is more likely to push the metering part through the upper pressing part, or the pushing effect is better, so that the metering part can be stably tilted.

[0018] Optionally, when the moving rod is driven by the driving part, the moving rod is driven to move reciprocally, and the upper pressing part and the lower pressing part repeatedly abut or separate.

[0019] By adopting the above technical solution, the repeated abutment or separation of the upper pressing part and the lower pressing part enables the metering part to tilt and reset reciprocally along the pivoting part. When resetting, the metering part impacts against the abutting part or impacts against the upper pressing part and the lower pressing part, so that the metering part vibrates under the repeated impact conditions, and the material that adheres to the metering part and cannot completely fall off can be shaken off, improving the accurate material feeding.

[0020] Optionally, a shielding rod is further provided on the moving rod. A shielding part is slidably connected to the inner top surface of the weighing box. The shielding rod is connected to the shielding part. When the moving rod moves, it synchronously drives the shielding part to move and shield the discharge ends of the first screw conveyor and the second screw conveyor.

[0021] By adopting the above technical solution, when the moving rod moves, it synchronously drives the shielding part to move and shield the discharge ends of the first screw conveyor and the second screw conveyor, so that the material will not continue to fall onto the metering part. Especially under bumpy road conditions, the metering of the material is more accurate.

[0022] Optionally, a limiting portion is provided on the moving rod, and the limiting portion abuts against the through hole or the metering member to limit the moving path of the moving rod.

[0023] By adopting the above technical solution, when the limiting portion moves through the moving rod and moves to the through hole or the metering member, the moving rod cannot move further, which plays a role in limiting the movement of the moving rod, ensuring that the movement of the moving rod does not exceed the defined range between the through hole and the metering member, and at the same time can accelerate the positioning effect.

[0024] Optionally, a filtering mechanism is provided on the belt conveyor. The filtering mechanism includes a filter pipe, a filter fan, filter bags and a return sand box; several filter bags are provided in the return sand box; the filter pipe is installed in the return sand box, with one end located above the filter bags and the other end communicating with the belt conveyor; the filter fan is installed on the top of the return sand box.

[0025] By adopting the above technical solution, when the belt conveyor conveys sand and gravel, dust or floating fine sand is generated. The filter fan generates a suction force that creates a negative pressure in the return sand box. The dust or floating fine sand is sucked into the return sand box through the filter pipe and filtered by the filter bags. The return sand box can also collect the accumulated dust or fine sand for subsequent recycling. The filtering mechanism can not only avoid the generation of dust, improve environmental protection, but also recycle the dust or fine sand to reduce the waste of sand and gravel.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Through the proportioning of special cement, the accurate conveying amount of the materials in the first screw conveyor, the second screw conveyor and the material bin is achieved. The materials are conveyed to the weighing mechanism through the first screw conveyor and quantitatively weighed. Subsequently, the additives in the additive bin are conveyed to the weighing mechanism through the second screw conveyor and superimposed on the materials for superimposed weighing. At the same time, the sand and gravel in the sand and gravel bin are synchronously weighed and conveyed through the belt conveyor to complete the quantitative and conveying of the overall materials, making the proportioning of special cement accurate; 2. Both the first screw conveyor and the second screw conveyor are connected with feeding pipes inserted into the weighing box from top to bottom, making the overall weighing environment a closed environment, so that the materials will not pour out or be lost. After the materials enter the weighing box, they are weighed and quantified by the metering member to achieve the quantitative proportioning of the materials. The materials after quantitative completion are conveyed to the mixing equipment through the feeding pipe; 3. The tilting mechanism can tilt a single metering member and can also tilt all the metering members uniformly for discharging, making the conveying of the materials synchronous; 4. After the material drops onto the surface of the metering component and reaches the ratio measurement, the driving part drives the moving rod to move. The moving rod synchronously drives all the receiving parts to move and move out of the receiving range of the metering component. The metering component loses the support of the receiving parts and is tilted under the influence of the pressure of the material. At the same time, the pivoting part rotates. The tilting effect causes the material to fall from the metering component onto the weighing box. After the material drops, the metering component loses the influence of the material pressure. The pivoting part drives the metering component to rotate and reset through the reset action of the reset part until the metering component abuts against the abutting part. Subsequently, the driving part drives the moving rod in the reverse direction to make the receiving part return to the receiving range of the metering component, and the metering component can perform the next round of quantitative material metering. Brief Description of the Drawings

[0027] Figure 1 is a three-dimensional structural schematic diagram of a vehicle-mounted device in some embodiments of the present application; Figure 2 is a side view structural schematic diagram of a vehicle-mounted device in some embodiments of the present application; Figure 3 is a three-dimensional structural schematic diagram of a vehicle-mounted device in the front view direction in some embodiments of the present application; Figure 4 is a front view structural schematic diagram of a vehicle-mounted device with some hidden structures in some embodiments of the present application; Figure 5 is a cross-sectional structural schematic diagram of a weighing mechanism in some embodiments of the present application; Figure 6 is a first three-dimensional structural schematic diagram of a weighing mechanism with the top surface of the weighing box hidden in some embodiments of the present application; Figure 7 is a second three-dimensional structural schematic diagram of a weighing mechanism with the top surface of the weighing box hidden in some embodiments of the present application; Figure 8 is a three-dimensional structural schematic diagram of a moving rod in some embodiments of the present application; Figure 9 is a cross-sectional structural schematic diagram of the movement trajectories of the upper pressing part and the lower pressing part in some embodiments of the present application; Figure 10 is a cross-sectional structural schematic diagram of a weighing box in some embodiments of the present application; Figure 11 is an exploded structural schematic diagram of a filtering mechanism in some embodiments of the present application; The reference numerals in the drawings are as follows: 1, vehicle-mounted device; 2, mixing device; 3, water storage device; 4, material conveying device; 41, material bin; 42, sand and gravel bin; 43, additive bin; 44, first screw conveyor; 45, second screw conveyor; 46, belt conveyor; 47, weighing mechanism; 471, weighing box; 4711, through hole; 472, metering member; 4721, metering frame; 473, blanking pipe; 474, upper pressing part; 4741, upper pressing cylinder; 4742, upper pressing rod; 4743, elastic structure; 4744, rolling structure; 475, shielding part; 476, first magnetic attraction part; 477, hose; 48, tilting mechanism; 481, moving rod; 4811, shielding rod; 482, abutting part; 4821, third magnetic attraction part; 483, receiving part; 484, reset part; 485, pivoting part; 486, driving part; 487, lower pressing part; 488, limiting part; 489, second magnetic attraction part; 49, filtering mechanism; 491, filtering pipe; 492, filtering fan; 493, filtering cloth bag; 494, return sand box. Detailed implementation manners

[0028] The following uses specific and particular examples to illustrate the implementation manners of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the information disclosed in the present application. The present application can also be implemented or applied through other different specific implementation manners. Various details in the present application can also be modified or changed according to different viewpoints and application systems without departing from the spirit of the present application. It should be noted that, without conflict, the embodiments and features in the embodiments of the present application can be combined with each other.

[0029] The following takes the drawings as a reference and details the embodiments of the present application so that those skilled in the technical field to which the present application belongs can easily implement it. The present application can be embodied in many different forms and is not limited to the embodiments described herein.

[0030] In the description of the present application, the reference terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc., mean that the specific features, structures, materials, or characteristics represented in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials, or characteristics represented can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples represented in the present application and the features of the different embodiments or examples.

[0031] In addition, the terms "first" and "second" are only used to indicate a target and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the representation of this application, "a plurality of" means two or more, unless otherwise specifically defined.

[0032] Throughout the specification, when it is said that a device is "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" where other elements are placed in between. Additionally, when it is said that a certain device "includes" a certain component, unless there is a particularly contrary record, it does not exclude other components but means that other components may also be included.

[0033] The following will, in conjunction with the attached Figure 1 - attached Figure 11 , further elaborate on this application in detail.

[0034] An embodiment of this application discloses a material conveying device for a vehicle-mounted special cement mixing equipment.

[0035] A material conveying device for a vehicle-mounted special cement mixing equipment, as shown in reference to Figure 1 and Figure 2 , is applied to vehicle-mounted equipment 1, which is a transport vehicle that transports resources such as materials and water to the required locations, such as damaged roads or damaged buildings, and can mix and form special cement from the materials and water during the journey.

[0036] The vehicle-mounted equipment 1 includes a mixing equipment 2 and a water storage equipment 3. The mixing equipment 2 includes a mixing drum, a mixing frame, and a mixing motor. The mixing motor drives the mixing frame to mix inside the mixing drum to mix the materials into special cement. A cleaning spray head can also be arranged inside the mixing drum, and the cleaning spray head is connected to the water storage equipment 3.

[0037] The water storage equipment 3 includes a water storage tank, a water delivery pump, a water delivery pipe, and a liquid scale. The water storage tank provides storage for the water supply, and the water is transported by the water delivery pump through the water delivery pipe to the liquid scale. After the liquid scale provides the quantification of the water, opening the water delivery valve on the liquid scale can transport the water into the mixing drum. Among them, the water delivery pump can also be connected to the cleaning spray head through the water delivery pipe to wash the inner wall of the mixing drum.

[0038] Refer to Figure 2 and Figure 3As shown in the figure, the vehicle-mounted device 1 also includes several material bins 41, a sand and gravel bin 42, an additive bin 43, a first screw conveyor 44, a second screw conveyor 45, a belt conveyor, and a weighing mechanism 47. These structures belong to the material conveying device 4, which provides separate storage of materials and quantitatively conveys them to the mixing device 2 to accurately obtain the ratio of special cement.

[0039] The material bins 41 can be set according to the types of materials required. In this application, two material bins 41 are taken as an example, and a first screw conveyor 44 is provided at the bottom of each single material bin 41. The first screw conveyor 44 is in a connected state with the material bin 41. The first screw conveyor 44 can convey the materials in the material bin 41 by screw conveying, and the discharge end of the first screw conveyor 44 is located above the mixing device 2. Therefore, the first screw conveyor 44 can convey the materials above the mixing device 2.

[0040] Among them, an electronic valve is provided at the connection point between the first screw conveyor 44 and the material bin 41. After the electronic valve is opened, the materials in the material bin 41 can fall into the first screw conveyor 44 for quantitative material conveying.

[0041] Among them, the first screw conveyor 44 is driven by a conveying motor to rotate the internal screw conveyor rod to convey the materials. The conveying motor is a variable-frequency variable-speed motor. According to the ratio of special cement, the speed of the conveying motor can be controlled numerically to adapt to the conveying speeds of different materials. For example, when the amount of materials is large, the speed of the conveying motor is faster; conversely, when the required amount of materials is less, the corresponding speed of the conveying motor can be adjusted accordingly.

[0042] A belt conveyor 46 is provided at the bottom of the sand and gravel bin 42. Fine sand or sand and gravel of other sizes are stored in the sand and gravel bin 42. These are not suitable for conveying by a screw conveyor, which will cause the screw conveyor to get stuck. Therefore, the belt conveyor 46 is used for conveying. The bottom of the belt conveyor 46 is equipped with a weighing system, so that when conveying sand and gravel, the conveyed sand and gravel can be quantitatively conveyed. An electronic valve is also provided at the connection point between the sand and gravel bin 42 and the belt conveyor 46. When the falling material amount is sufficient, the electronic valve closes, and the sand and gravel in the sand and gravel bin 42 stop falling into the belt conveyor 46.

[0043] The end of the belt conveyor 46 is connected to the mixing device 2. Therefore, the conveyed sand and gravel will ultimately be conveyed into the mixing device 2 for mixing special cement.

[0044] Among them, the belt conveyor 46 includes a protective cover that shields the path of belt transmission to prevent sand and gravel from falling due to bumpy road conditions and improve the stability of transportation.

[0045] The second screw conveyor 45 is connected to the additive bin 43, and its discharge end is connected to the discharge end of any one of the first screw conveyors 44. That is, the second screw conveyor 45 conveys the additives in the additive bin 43. However, since the amount of additives is not much, the sizes of the additive bin 43 and the second screw conveyor 45 will be smaller than those of the material bin 41 and the first screw conveyors 44, reducing space occupation. Therefore, there is no need to separately set up a weighing mechanism 47 for weighing, but it shares the same weighing mechanism 47 with any group of the first screw conveyors 44. The first screw conveyors 44 and the second screw conveyor 45 convey materials at intervals. Therefore, after the first screw conveyor 44 finishes quantitative conveying, the second screw conveyor 45 starts to convey additives. Based on the conveying amount of the first screw conveyor 44, the amount of additives is added, so that separate quantification can be achieved through interval feeding.

[0046] Among them, both the first screw conveyor 44 and the second screw conveyor 45 convey from a lower place to a higher place. When encountering bumps and other situations, the materials are restricted within the first screw conveyor 44 and the second screw conveyor 45 under the influence of gravity and cannot escape, thus ensuring the accuracy of the conveyed material quantity.

[0047] The weighing mechanism 47 is connected to the discharge end of the first screw conveyor 44 and provides material quantification. If the first screw conveyor 44 is equipped with the second screw conveyor 45, it will synchronously provide the quantitative weighing of materials and additives. The bottom of the weighing mechanism 47 is a mixing device 2. When the quantification of several materials, sand and additives is completed, all the materials, sand and additives fall into the mixing device 2 for mixing to form special cement.

[0048] Among them, the weighing mechanism 47 is electrically connected to the first screw conveyor 44 and the second screw conveyor 45. When the materials received by the weighing mechanism 47 reach the ratio, an electrical signal is sent to the first screw conveyor 44 or the second screw conveyor 45, and the first screw conveyor 44 or the second screw conveyor 45 stops conveying materials or additives to ensure the accuracy of the material quantity. Even in a bumpy environment, the stopped conveyed materials will not overflow or be excessive.

[0049] Specifically, through the proportioning of special cement, the accurate conveying amounts of the materials in the first screw conveyor 44, the second screw conveyor 45 and the material bin 41 are determined. The materials are conveyed to the weighing mechanism 47 through the first screw conveyor 44 and quantitatively weighed. Subsequently, the additives in the additive bin 43 are conveyed to the weighing mechanism 47 through the second screw conveyor 45 and superimposed on the materials for superimposed weighing. At the same time, the sand in the sand bin 42 is synchronously weighed and conveyed through the belt conveyor 46, completing the quantification and conveying of the overall materials, so that the proportioning of special cement is accurate.

[0050] Further, referring to Figure 4 and Figure 5As shown, the weighing mechanism 47 includes a weighing box 471, a metering component 472, and a feeding pipe 473; several vehicle-mounted racks are provided on the vehicle-mounted device 1 to provide a support and installation environment. The weighing box 471 is installed on the vehicle-mounted rack of the vehicle-mounted device 1, and the mixing device 2 is below it. The metering component 472 is installed in the weighing box 471, and the feeding pipe 473 is installed at the bottom of the weighing box 471 and is connected to the mixing device 2. The weighing box 471 serves as a structure for receiving materials and preventing them from falling out. When encountering bumpy road conditions, the materials are inside the weighing box 471. The weighing box 471 is a closed box, so that the materials will not separate from the weighing box 471, avoiding the waste caused by the pouring out of the materials.

[0051] The feeding pipe 473 is embedded in the weighing box 471 and serves as a conveying structure for the materials after weighing and metering. It can directly convey the materials into the mixing device 2, effectively preventing the materials from falling out or being lost, which may lead to inaccurate material ratio. An electronic valve is provided between the feeding pipe 473 and the mixing device 2. After the weighing and metering are completed, the electronic valve is opened, and the materials in the weighing box 471 enter the mixing device 2 through the feeding pipe 473.

[0052] Above the weighing box 471 is the first screw conveyor 44 or the second screw conveyor 45. The top of the weighing box 471 is sealed. Both the first screw conveyor 44 and the second screw conveyor 45 are connected with feeding pipes that are inserted into the weighing box 471 from top to bottom, making the overall weighing environment a closed environment, so that the materials will not pour out or be lost, ensuring the accuracy during proportioning.

[0053] Reference Figure 6 Or Figure 7 As shown, the metering component 472 can adopt a weighing scale. The metering component 472 has two metering methods. The first is to weigh the whole weighing box 471. The materials are filled into the weighing box 471 and the weight of the weighing box 471 is subtracted. Until the materials reach the qualified material quantity, the feeding pipe 473 is opened through the electronic valve for feeding. The second is that the weighing scale is inside the weighing box 471. In this way, the weight of the weighing box 471 does not need to be calculated. The materials directly fall onto the weighing scale. After reaching the qualified material quantity, the materials are then poured into the weighing box 471. This method is more accurate. The metering method can be determined according to requirements. The second method is taken as an example in the figure.

[0054] Specifically, both the first screw conveyor 44 and the second screw conveyor 45 are connected with feeding pipes that are inserted into the weighing box 471 from top to bottom, making the overall weighing environment a closed environment, so that the materials will not pour out or be lost. After the materials enter the weighing box 471, they are weighed and metered by the metering component 472 to achieve quantitative proportioning of the materials. The materials after quantitative completion are conveyed into the mixing device 2 through the feeding pipe 473.

[0055] In some embodiments, the weighing mechanism 47 is further provided with an inclination mechanism 48, and the inclination mechanism 48 connects all the metering members 472 of the weighing mechanism 47 and synchronously drives the metering members 472 to incline and discharge materials. The inclination mechanism 48 is used to uniformly incline and discharge the metering members 472. In this embodiment, the materials directly fall onto the metering members 472. After being uniformly weighted by the metering members 472, by using the inclination effect of the inclination mechanism 48, the materials on the metering members 472 are poured into the weighing box 471, and then conveyed by the feeding pipe 473. The inclination mechanism 48 can not only incline a single metering member 472, but also uniformly incline and discharge all the metering members 472, making the conveying of materials synchronous and synchronously falling into the mixing device 2 for stirring and mixing.

[0056] Further, referring to Figures 5 - 8 As shown, the inclination mechanism 48 includes a moving rod 481, an abutting portion 482, a receiving portion 483, a reset portion 484, a pivoting portion 485 and a driving portion 486; the pivoting portion 485 penetrates through all the weighing boxes 471 and is pivotally connected to the weighing boxes 471. The pivoting portion 485 can adopt a pivot shaft. The weighing boxes 471 are arranged in a row, and pivot holes can be provided on the weighing boxes 471. The pivot shaft is inserted into the pivot holes to achieve the pivotal connection. All the metering members 472 are connected to the pivoting portion 485, and the connection method can be a fixed connection, so that when the pivoting portion 485 rotates, all the metering members 472 rotate synchronously.

[0057] Among them, a wedge-shaped counterweight can be provided at the bottom of the metering member 472 to make one side of the metering member 472 heavier. When inclining, it will incline according to the force direction of the counterweight, accurately determining the inclination direction and ensuring stable inclination.

[0058] The abutting portion 482 is installed on the inner wall of the weighing box 471. The abutting portion 482 can be an abutting plate. The abutting portion 482 is used to abut against the upper surface of the metering member 472 to prevent the metering member 472 from rotating beyond the balance position following the pivoting portion 485, providing a limiting effect on the pivoting direction of the metering member 472.

[0059] The weighing box 471 is also provided with a through hole 4711. The moving rod 481 penetrates through the through hole 4711 and passes through all the weighing boxes 471. The diameter of the moving rod 481 is less than or equal to that of the through hole 4711, so that the moving rod 481 can move along the through hole 4711. The moving rod 481 penetrates through the through holes 4711 of all the weighing boxes 471, so that the moving rod 481 moves within all the weighing boxes 471. The hole wall of the through hole 4711 can serve as the bearing point of the moving rod 481 to ensure the moving stability of the moving rod 481.

[0060] Among them, the through hole 4711 is a square hole, and the moving rod 481 is synchronously a square rod, that is, the cross section is square or rectangular, and the style matches the square hole. The square shape can prevent the moving rod 481 from rotating along the through hole 4711, further improving the stability of the connection.

[0061] The receiving part 483 is installed at the bottom of the moving rod 481, and the metering part 472 abuts against the receiving part 483. The load-bearing part is used to receive the metering part 472. One end of the metering part 472 is connected through the pivoting part 485 to provide the receiving effect at one end, and the other end is received through the receiving part 483 to provide the receiving effect at the other end. The receiving part 483 and the pivoting part 485 are on the same horizontal plane, so that the metering part 472 is in a horizontal state to ensure that when the metering part 472 receives materials, the materials can be stably located on the metering part 472. The receiving part 483 can adopt a plurality of receiving plates preset at intervals. In this embodiment, two receiving plates are taken as an example. Relatively, the top surface of the metering part 472 can extend a metering frame 4721 corresponding to the receiving plate, and the metering frame 4721 can be placed on the receiving plate to make the receiving of the metering part 472 stable. The number of the metering frames 4721 is the same as that of the receiving plates.

[0062] Among them, the thickness of the moving rod 481 is greater than the thickness of the metering part 472, and the receiving part 483 is located at the bottom of the moving rod 481. Therefore, the receiving part 483 can stably receive the metering frame 4721 extending from the top surface of the metering part 472.

[0063] Among them, guardrails can be arranged around the corners on the upper surface of the metering part 472 to prevent the dropped materials from falling out of the metering range of the metering part 472.

[0064] Reference Figure 6 and Figure 7 As shown in the figure, the reset part 484 is installed on the pivoting part 485. The reset part 484 can adopt a torsion spring for reset, that is, a volute spring. The reset part 484 can be connected to the inner wall surface of the weighing box 471 as the winding bearing point and provide the elastic force for the pivoting part 485 to wind and reset.

[0065] The driving part 486 is located outside the weighing box 471 and is connected to the moving rod 481 to provide driving for the moving rod 481 to move. The driving part 486 can adopt a driving element with a telescopic function such as a cylinder or an electric push rod. The telescopic effect of the driving part 486 can drive the moving rod 481 to move along the through hole 4711.

[0066] Among them, the receiving part 483 can be higher than the horizontal state of the metering part 472, so that when the metering part 472 is subjected to the gravity of the materials, the metering part 472 exceeds the horizontal state and abuts against the receiving part 483, so that the metering part 472 is in a state of being slightly inclined in the direction of the pivoting part 485, and the inclination angle is about 5°. This state can prevent the materials from rolling in the falling direction of the metering part 472 and provide more stable stacking weighing of the materials.

[0067] Specifically, the material is conveyed by the first screw conveyor 44 and the second screw conveyor 45 and drops onto the surface of the metering member 472. At the moment when it passes through the metering member 472, after reaching the ratio metering, the driving part 486 drives the moving rod 481 to move. The moving rod 481 synchronously drives all the receiving parts 483 to move and move out of the receiving range of the metering member 472. The metering member 472 loses the receiving of the receiving part 483, is affected by the pressure of the material, tilts from one end of the receiving part 483, and causes the pivoting part 485 to rotate. The tilting effect causes the material to fall from the metering member 472 to the weighing box 471. After the material drops, the metering member 472 loses the pressure influence of the material. The pivoting part 485 drives the metering member 472 to rotate and reset through the reset action of the reset part 484 until the metering member 472 abuts against the abutting part 482. Subsequently, the driving part 486 drives the moving rod 481 in the reverse direction, so that the receiving part 483 returns to the receiving range of the metering member 472, and the metering member 472 can perform the next round of metering of the material.

[0068] Furthermore, referring to Figure 8 and Figure 9 As shown, a pressing part 487 is further provided on the moving rod 481 on one side of the receiving part 483. The pressing part 487 can be a wedge-shaped pressing block in an inverted triangle shape and is located at the top of the moving rod 481. When the metering member 472 receives the material, it is in a staggered state with the metering member 472 and does not contact the metering member 472. When the moving rod 481 moves, the pressing part 487 moves synchronously and abuts against the metering member 472. The main purpose achieved by this method is to push the metering member 472 to tilt.

[0069] When additional material needs to be added, the amount of additional material is usually small. After the material is conveyed by the first screw conveyor 44 and the second screw conveyor, sometimes the additional material does not have enough downward pressure to cause the metering member 472 to overcome the reset force of the reset part 484 and tilt. Therefore, the moving part is used to move the pressing part 487 to contact the metering member 472. As the moving rod 481 moves, the inclined surface of the pressing part 487 pushes the metering member 472 downward, so that the metering member 472 is forced to tilt. This method can make the metering member 472 with a small amount of material tilt to achieve the purpose of discharging the material.

[0070] Among them, the pressing part 487 extends out at the top of the moving rod 481. The thickness of the moving rod 481 is greater than the thickness of the metering member 472, so that the pressing part 487 is located above the metering member 472 and abuts against the metering frame 4721 of the metering member 472. When the pressing part 487 is staggered from the metering member 472, the receiving part 483 abuts against the metering frame 4721 of the metering member 472.

[0071] Among them, the figure does not show the illustration of the pressing part 487 abutting against the metering frame 4721.

[0072] Furthermore, referring to Figure 6 and Figure 9 As shown, the metering member 472 is further provided with an upper pressing portion 474, the upper pressing portion 474 abuts against the lower pressing portion 487, and the upper pressing portion 474 can be installed on the top of the metering frame 4721 of the metering member 472. When the lower pressing portion 487 contacts the upper pressing portion 474, the lower pressing portion 487 can more easily push the metering member 472 through the upper pressing portion 474, or the pushing effect is better.

[0073] The upper pressing portion 474 may include an upper pressing cylinder 4741, an upper pressing rod 4742, an elastic structure 4743 and a rolling structure 4744; the rolling structure 4744 is connected to the upper pressing rod 4742, the rolling structure 4744 may adopt a spherical roller or a ball, and the connection method is a pivotal connection. The elastic structure 4743 is located inside the upper pressing cylinder 4741, and the upper pressing rod 4742 is inserted into the upper pressing rod 4742 and connected to the elastic structure 4743, so that the elastic structure 4743 provides an elastic force for the upper pressing rod 4742 to extend outwards.

[0074] When the lower pressing portion 487 contacts the rolling structure 4744 of the upper pressing portion 474, the rolling structure 4744 can reduce the friction force received by the contact. The rolling structure 4744 rolls along the inclined surface of the lower pressing portion 487. During the rolling process, the upper pressing rod 4742 is forced to extend into the upper pressing cylinder 4741, and the upper pressing rod 4742 synchronously squeezes the elastic structure 4743. The elastic structure 4743 generates an elastic force in the opposite direction, so that the metering member 472 is subjected to the elastic force and the thrust force, and tilts along the pivoting portion 485 to achieve the effect of pushing the metering member 472.

[0075] Through the structure of the upper pressing portion 474, the elastic force of the elastic structure 4743 can be used to make the metering member 472 more easily overcome the reset elastic force of the reset portion 484 to tilt. At the same time, the flexible contact of the elastic structure 4743 makes the contact between the upper pressing portion 474 and the lower pressing portion 487 softer, which can prevent damage and extend the service life.

[0076] Wherein, an external thread may be provided on the outer wall of the upper pressing cylinder 4741 of the upper pressing portion 474, and a threaded hole penetrating up and down may be opened on the metering frame 4721. The upper pressing cylinder 4741 is screwed to the threaded hole through the external thread, and the position of the upper pressing cylinder 4741 along the vertical direction can be adjusted through the threaded hole. In this way, the upper pressing cylinder 4741 can replace the metering frame 4721 to abut against the receiving portion 483. As the position of the upper pressing cylinder 4741 is different, the receiving height when abutting against the receiving portion 483 is different, so as to adjust or adapt the tilting angle of the metering member 472. At the same time, it is also convenient to take out the upper pressing portion 474 to replace or repair the upper pressing portion 474 (the threaded hole is covered by the upper pressing cylinder in the figure and the threaded hole is not shown).

[0077] Among them, the upper pressure part 474 is installed on the quantitative frame 4721. When the quantitative member 472 is reset, it can replace the quantitative frame 4721 to contact the abutment part 482. At the same time, the elastic force of the elastic structure 4743 can be used to provide a buffering effect to prevent the quantitative member 472 from colliding with the abutment part 482 when it is reset and being subjected to excessive force, causing damage.

[0078] When the upper pressing part 474 is provided, the wedge-shaped pressing block used in the lower pressing part 487 can be connected to the L-shaped frame, so that the wedge-shaped pressing block can be higher than the upper pressing cylinder 4741 of the upper pressing part 474, thereby pressing down the rolling structure 4744 to achieve a pushing effect. Among them, in order to increase the stability of the pressing portion 487, a T-shaped limiting groove can be opened on the bottom surface of the abutting portion 482, and a T-shaped sliding protrusion is set on the top surface of the pressing portion 487, and the sliding protrusion is embedded in the T-shaped limiting groove, so that the bottom of the pressing portion 487 is connected to the moving rod 481, and the top is slidingly connected to the T-shaped limiting groove through the sliding protrusion. When the moving rod 481 moves, the sliding protrusion moves along the limiting groove. The pressing portion 487 ensures a stable connection through the supporting effect of the upper and lower ends, and will not be offset or damaged when it contacts or collides with the upper pressing portion 474 (the structure is covered in the figure, so the limiting groove and the sliding protrusion are not shown).

[0079] Among them, when the moving rod 481 is driven by the driving part 486, the moving rod 481 is driven to move back and forth, and a certain speed can be increased during the reciprocating movement, so that the upper pressure part 474 and the lower pressure part 487 are subjected to a greater thrust to repeatedly abut or separate. This method can allow the quantitative part 472 to tilt and reset reciprocatingly along the pivot part 485. When resetting, the quantitative part 472 collides with the abutment part 482 or collides with the upper pressure part 474 and the lower pressure part 487, so that the quantitative part 472 vibrates under the reciprocating collision condition, and the material attached to the quantitative part 472 that cannot fall off completely can be shaken off, thereby improving the accurate dropping of the material.

[0080] The elastic structure 4743 provided on the upper pressing portion 474 can generate elastic force, so that the vibration arc generated by the impact is larger and the material is easier to fall.

[0081] Furthermore, refer to Figures 7 - 9 As shown, a first magnetic attraction portion 476 is further provided on the upper pressing portion 474 , and a second magnetic attraction portion 489 is further provided on the lower pressing portion 487 , and the magnetic poles of the first magnetic attraction portion 476 and the second magnetic attraction portion 489 in relative directions are the same.

[0082] Both the first magnetic attraction part 476 and the second magnetic attraction part 489 can adopt magnets, which can be set as permanent magnets or electromagnets according to requirements. The magnetic poles of the first magnetic attraction part 476 and the second magnetic attraction part 489 are the same. According to the principle of like poles repelling each other, when the upper pressing part 474 and the lower pressing part 487 come into contact, the first magnetic attraction part 476 and the second magnetic attraction part 489 will be subjected to the repulsive magnetic force, and the repulsive force has two uses here.

[0083] The first use can increase the thrust of the upper pressing part 474 and the lower pressing part 487 on the dosing part 472. When the upper pressing part 474 and the lower pressing part 487 come into contact, a repulsive magnetic force is generated. By using the repulsive force to be converted into thrust, the dosing part 472 can be more easily pushed open and tilted along the pivoting part 485.

[0084] The second use is to provide a buffering effect. That is, when the moving rod 481 reciprocates, the dosing part 472 will inevitably be reset under the action of the reset part 484. When the upper pressing part 474 hits the lower pressing part 487 during reset, it is easy to damage both of them. Therefore, the repulsive force with the same magnetic poles can buffer the impact force of the dosing part 472 and reduce the force when the upper pressing part 474 and the lower pressing part 487 collide.

[0085] The first magnetic attraction part 476 can be arranged on the top of the upper pressing cylinder 4741, and the second magnetic attraction part 489 can be arranged by being embedded in the top surface of the lower pressing part 487. The rolling structure 4744 can not only roll along the second magnetic attraction part 489, but also generate a repulsive magnetic force on the first magnetic attraction part 476.

[0086] Among them, referring to Figure 7 As shown, the abutting part 482 can also be provided with a third magnetic attraction part 4821, and the magnetic pole of the third magnetic attraction part 4821 is opposite to the magnetic pole of the first magnetic attraction part 476. After the receiving part 483 receives the dosing part 472, the first magnetic attraction part 476 and the third magnetic attraction part 4821 gradually approach. According to the principle of opposite poles attracting each other, the receiving part 483 and the dosing part 472 can be stably magnetically connected to improve the connection stability.

[0087] In some embodiments, referring to Figure 7 or Figure 8As shown, a limiting portion 488 is provided on the moving rod 481. The limiting portion 488 abuts against the through hole 4711 or against the metering member 472 to limit the moving path of the moving rod 481. The limiting portion 488 can be a limiting block, and a set of limiting portions 488 can be provided. When the limiting portion 488 moves through the moving rod 481 and moves to the through hole 4711 or the metering frame 4721 of the metering member 472, the moving rod 481 is blocked and cannot move further, which plays a role in restricting the movement of the moving rod 481, ensuring that the movement of the moving rod 481 does not exceed the defined range between the through hole 4711 and the metering frame 4721, and at the same time can accelerate the positioning effect. For example, when the limiting portion 488 contacts the receiving portion 483 and the metering frame 4721 of the metering member 472 and cannot move further, it means that the receiving portion 483 can receive the metering member 472, playing a role in accelerating the positioning.

[0088] In some embodiments, referring to Figure 8 and Figure 10 As shown, a shielding rod 4811 is further provided on the moving rod 481. The shielding rod 4811 can be an L-shaped rod, so that the shielding rod 4811 bypasses the abutting portion 482 and there is no interference between them. A shielding portion 475 is slidably connected to the inner top surface of the weighing box 471, that is, a chute is opened on the inner top surface of the weighing box 471, and the shielding portion 475 slides along the chute. The shielding rod 4811 is connected to the shielding portion 475. When the moving rod 481 moves, it synchronously drives the shielding portion 475 to move and shield the discharge ends of the first screw conveyor 44 and the second screw conveyor 45, so that the material will not continue to fall onto the metering member 472, especially on bumpy road conditions, making the metering of the material more accurate.

[0089] In some embodiments, referring to Figure 5 As shown, a hose 477 is provided for connection between the weighing mechanism 47 and the mixing device 2. The connection of the hose 477 means that it can be a flexible connection. This way can avoid blockage during material falling, increase the smoothness of physical material falling, and at the same time is also convenient for separation, maintenance or replacement.

[0090] In some embodiments, referring to Figure 1 and Figure 11 As shown, since dust may easily occur or fine sand may float when the belt conveyor 46 conveys sand and gravel, in order to avoid dust or fine sand floating, a filtering mechanism 49 is provided on the belt conveyor 46. The filtering mechanism 49 includes a filtering pipe 491, a filtering fan 492, a filtering cloth bag 493 and a return sand box 494; the return sand box 494 is also installed on the vehicle-mounted frame of the vehicle-mounted device 1, and a number of filtering cloth bags 493 are provided inside. The filtering cloth bags 493 filter the dust or fine sand, and the return sand box 494 collects the filtered dust or fine sand for subsequent recycling.

[0091] The filter pipe 491 is installed in the return sand box 494, with one end located above the filter cloth bag 493 and the other end connected to the belt conveyor 46. The filter pipe 491 is used to connect the return sand box 494 and the belt conveyor 46. The filter fan 492 is installed on the top of the return sand box 494 to create a negative pressure inside the return sand box 494, so that the filter pipe 491 can use the negative pressure effect to suck the dust or floating fine sand generated on the belt conveyor 46 into the return sand box 494.

[0092] Specifically, when the belt conveyor 46 conveys sand and gravel, dust or floating fine sand is generated. The filter fan 492 generates a suction force that creates a negative pressure in the return sand box 494. The dust or floating fine sand is sucked into the return sand box 494 through the filter pipe 491 and filtered by the filter cloth bag 493. The return sand box 494 can also collect the accumulated dust or fine sand for subsequent recycling. The filtering mechanism 49 can not only avoid the generation of dust and improve environmental protection, but also recycle the dust or fine sand to reduce the waste of sand and gravel.

[0093] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A material conveying device for a vehicle-mounted special cement mixing equipment, which is applied to a vehicle-mounted device (1). The vehicle-mounted device (1) includes a mixing equipment (2) and a water storage equipment (3), and is characterized in that, It also includes several material bins (41), a sand and gravel bin (42), an additive bin (43), a first screw conveyor (44), a second screw conveyor (45), a belt feeder, and a weighing mechanism (47); a first screw conveyor (44) is provided at the bottom of each individual material bin (41), the first screw conveyor (44) is in a communicating state with the material bin (41), and the discharge end of the first screw conveyor (44) is located above the mixing equipment (2); a belt conveyor (46) is provided at the bottom of the sand and gravel bin (42), the belt conveyor (46) is equipped with its own weighing system, and the belt conveyor (46) is in communication with the mixing equipment (2) and conveys sand and gravel to the mixing equipment (2); the second screw conveyor (45) is in communication with the additive bin (43), and the discharge end is connected to the discharge end of any first screw conveyor (44), and the first screw conveyor (44) and the second screw conveyor (45) feed materials at intervals; the weighing mechanism (47) is connected to the discharge end of the first screw conveyor (44) and provides material quantification, and at the bottom is the mixing equipment (2), and the quantified material falls into the mixing equipment (2).

2. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 1, characterized in that, The weighing mechanism (47) includes a weighing box (471), a quantification member (472), and a feeding pipe (473); the weighing box (471) is in a closed state, the quantification member (472) is installed in the weighing box (471), the feeding pipe (473) is installed at the bottom of the weighing box (471) and is connected to the mixing equipment (2); above the weighing box (471) is the first screw conveyor (44) or the second screw conveyor (45), and the discharge end of the first screw conveyor (44) or the second screw conveyor (45) is inserted into the weighing box (471).

3. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 2, characterized in that, The weighing mechanism (47) is also provided with an inclination mechanism (48), and the inclination mechanism (48) connects the quantification members (472) of all weighing mechanisms (47) and synchronously drives the quantification members (472) to incline and discharge materials.

4. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 3, characterized in that, The inclination mechanism (48) includes a moving rod (481), an abutting portion (482), a receiving portion (483), a reset portion (484), a pivoting portion (485), and a driving portion (486); the pivoting portion (485) penetrates through all weighing boxes (471) and is pivotally connected to the weighing boxes (471), and all quantification members (472) are connected to the pivoting portion (485); the abutting portion (482) is installed on the inner wall of the weighing box (471); the weighing box (471) is also provided with a through hole (4711), and the moving rod (481) penetrates through the through hole (4711) and passes through all weighing boxes (471); the receiving portion (483) is installed on the moving rod (481), and the quantification member (472) abuts against the receiving portion (483); the reset portion (484) is installed on the pivoting portion (485); the driving portion (486) is located outside the weighing box (471) and is connected to the moving rod (481) to provide driving for the moving rod (481) to move.

5. A material conveying device for a vehicle-mounted special cement mixing equipment according to claim 4, characterized in that, A pressing portion (487) is also provided on the moving rod (481) on one side of the receiving portion (483). When the moving rod (481) moves, the pressing portion (487) moves synchronously and abuts against the quantification member (472).

6. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 5, characterized in that, The metering member (472) is further provided with an upper pressing portion (474), and the upper pressing portion (474) abuts against the lower pressing portion (487).

7. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 6, characterized in that, When the moving rod (481) is driven by the driving portion (486), the moving rod (481) is driven to reciprocate, and the upper pressing portion (474) and the lower pressing portion (487) abut against or separate from each other repeatedly.

8. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 4, characterized in that, The moving rod (481) is further provided with a shielding rod (4811), and a shielding portion (475) is slidably connected to the inner top surface of the weighing box (471). The shielding rod (4811) is connected to the shielding portion (475). When the moving rod (481) moves, the shielding portion (475) is synchronously driven to move and shield the discharge ends of the first screw conveyor (44) and the second screw conveyor (45).

9. The material conveying device for a vehicle-mounted special cement mixing device according to claim 4, characterized in that, A limiting portion (488) is provided on the moving rod (481). The limiting portion (488) abuts against the through hole (4711) or the metering member (472) to limit the moving path of the moving rod (481).

10. The material conveying device for a vehicle-mounted special cement mixing equipment according to claim 1, characterized in that, A filtering mechanism (49) is provided on the belt conveyor (46). The filtering mechanism (49) includes a filtering pipe (491), a filtering fan (492), a filtering cloth bag (493), and a sand return box (494); a plurality of filtering cloth bags (493) are provided in the sand return box (494); the filtering pipe (491) is installed in the sand return box (494), and one end is located above the filtering cloth bag (493), and the other end is communicated with the belt conveyor (46); the filtering fan (492) is installed on the top of the sand return box (494).

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