Feeding structure of movable concrete mixing station
By setting up an air pump, gas pipe, jet cylinder and flow guide in the silo of the concrete mobile mixing station, the problem of wet sand and gravel adhering to the inner wall of the silo after drying is solved, the accuracy of concrete mortar ratio is improved, resource waste is reduced, and the risk of equipment damage is reduced.
Patent Information
- Application Number
- CN202421583263.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-05
AI Technical Summary
Existing concrete mobile mixing stations are prone to slab bonding after drying wet sand and gravel, which adheres to the inner wall of the silo, affecting the accuracy of the concrete mortar ratio and easily causing waste of resources.
A feed structure for a concrete mobile mixing station is designed, including a rack, a silo, a belt conveyor, an air pump, a gas pipe, a jet cylinder and a flow guide. The air pump pumps gas into the jet cylinder, and the jet cylinder sprays airflow. The design of the flow guide is used to clean up the adhesion of sand and gravel on the inner wall of the silo to reduce the problem that the adhesion of sand and gravel materials affects the proportional accuracy.
It effectively reduces the proportional accuracy problem caused by adhesion of sand and gravel materials, reduces damage to the silo, and reduces dust entering the air pump through the filter mesh cover, avoids pipeline blockage and air pump damage.
Smart Images
Figure CN222920832U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mobile mixing plants, in particular to a feeding structure of a concrete mobile mixing plant. Background Art
[0002] A mobile concrete mixing plant, also known as a mobile concrete batching plant, is a concrete production device that integrates the whole of a concrete mixing plant into a trailer unit.
[0003] In the current prior art, a concrete mobile mixing plant is mainly divided into a feeding structure, a mixing device and a discharging structure. Among them, the feeding structure mainly consists of a silo, a belt conveyor and a baffle located at the bottom of the silo. The silo is used for storing sand and gravel. The baffle at the bottom of the silo can be opened and closed, and then the sand and gravel will fall on the belt conveyor below, and then rely on the belt conveyor to supply the mixing device to complete the feeding.
[0004] However, in the current prior art, after the wet sand and gravel are dried by sunlight exposure, they will be caked and adhered to the inner wall of the silo. These adhered sand and gravel will affect the accuracy of the concrete mortar ratio and easily cause waste of resources. Therefore, a feeding structure of a concrete mobile mixing plant is proposed for the above problems. Summary of the Utility Model
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model proposes a feeding structure of a concrete mobile mixing plant.
[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A feeding structure of a concrete mobile mixing plant described in the utility model includes a frame; a silo is fixedly connected to the top of the frame; a belt conveyor is installed at the bottom of the frame; an opening is provided at the bottom of the silo; a pair of baffles are hinged to the bottom of the silo; an air pump is fixedly connected to the side of the silo; an air delivery pipe is fixedly connected to the output end of the air pump; a plurality of air jet nozzles are fixedly connected to the air delivery pipe; the air jet nozzles penetrate through the side wall of the silo and are fixedly connected thereto; an air outlet is provided at the end of the air jet nozzle; a flow guide vane is arranged on the side of the air outlet. With the above settings, the sand and gravel materials adhered to the inner wall of the silo are thus reduced, and the problem of affecting the ratio accuracy caused by the adhesion of sand and gravel materials is reduced. Relying on the compressed air flow, compared with a worker knocking with a pole, the damage to the silo can be reduced.
[0007] Preferably, a hydraulic cylinder is hinged to the bottom of the frame; the output end of the hydraulic cylinder is hinged to the side wall of the baffle; the hydraulic cylinder is located on top of the belt conveyor.
[0008] Preferably, a support is fixedly connected to the middle of the air jet cylinder; a rotating shaft is rotatably connected to the middle of the support; one end of the rotating shaft is fixedly connected to a guide vane; the other end of the rotating shaft is fixedly connected to an impeller; a first ring body is fixedly connected to one end of the air jet cylinder close to the guide vane; a second ring body is fixedly connected to the side surface of the guide vane; the inner side wall of the first ring body is attached to and rotatably connected to the outer side wall of the second ring body; through grooves are formed in both the first ring body and the second ring body. Through the above settings, the air jet cylinder is closed to reduce the occurrence of blockage.
[0009] Preferably, a reset ring is fixedly connected to the inner side wall of the air jet cylinder; a pair of protrusions are arranged on the inner side wall of the reset ring; a rod body is fixedly connected to the end of the rotating shaft; the rod body is located in the middle of the reset ring; a spring is fixedly connected between the rod body and the protrusion.
[0010] Preferably, a fixing seat is fixedly connected to the bottom of the air pump; a filter net cover is detachably fixed to the bottom of the fixing seat by threads. By installing a filter net cover below the air pump, the air inhaled by the air pump can be filtered, which can reduce the situation of pipeline blockage and air pump damage caused by dust.
[0011] Preferably, the guide vane is parallel to the inner side wall of the silo; the size of the guide vane is larger than the air outlet.
[0012] The beneficial effects of the present utility model are as follows:
[0013] 1. By setting an air pump, an air delivery pipe, an air jet cylinder and a guide vane, relying on the above settings, the air pump pumps gas into the air jet cylinder, and then the gas is ejected from the end of the air jet cylinder to blow the sand and gravel adhered to the inner wall of the silo, thereby reducing the problem that the adhesion of sand and gravel affects the proportioning accuracy.
[0014] 2. By setting a fixing seat and a filter net cover, during use, due to the relatively high dust content in the working environment of the construction site, and when the baffle is opened, dust will be generated when the sand and gravel fall, and the dust will be inhaled by the air pump. Therefore, by installing a fixing seat at the bottom of the air pump and then installing a filter net cover below the air pump, the air inhaled by the air pump can be filtered, so as to reduce the situation of pipeline blockage and air pump damage caused by dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0016] Figure 1 is a structural schematic diagram of the present utility model;
[0017] Figure 2 is a structural schematic diagram of the silo of the present utility model;
[0018] Figure 3 is a structural schematic diagram of the baffle of the present utility model;
[0019] Figure 4 is a structural schematic diagram of the air delivery pipe of the present utility model;
[0020] Figure 5 is a structural schematic diagram of the air jet cylinder of the present utility model.
[0021] In the figure: 11, frame; 12, silo; 13, belt conveyor; 14, baffle; 15, air pump; 16, air delivery pipe; 17, air jet pipe; 18, guide vane; 2, hydraulic cylinder; 31, rotating shaft; 32, impeller; 33, support; 34, first ring body; 35, second ring body; 36, through groove; 41, reset ring; 42, rod body; 43, protrusion; 51, fixed seat; 52, filter mesh cover; 7, baffle plate. Specific embodiments
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] The following gives specific embodiments.
[0024] Please refer to Figures 1-5 As shown, a feeding structure of a concrete mobile mixing station includes a frame 11; a silo 12 is fixedly connected to the top of the frame 11; a belt conveyor 13 is installed at the bottom of the frame 11; an opening is provided at the bottom of the silo 12; a pair of baffles 14 are hinged to the bottom of the silo 12; an air pump 15 is fixedly connected to the side of the silo 12; an air delivery pipe 16 is fixedly connected to the output end of the air pump 15; a plurality of air jet cylinders 17 are fixedly connected to the air delivery pipe 16; the air jet cylinder 17 penetrates through the side wall of the silo 12 and is fixedly connected thereto; an air outlet is provided at the end of the air jet cylinder 17; a guide vane 18 is arranged on the side of the air outlet; the guide vane 18 is parallel to the inner side wall of the silo 12; the size of the guide vane 18 is larger than that of the air outlet;
[0025] During use, an external air pump 15 is relied on to convey compressed air flow to the air delivery pipe 16. Then, the compressed air flow is ejected outward through the air jet cylinder 17. During the ejection process, relying on the guide vanes 18 arranged at its air outlet, preferably, the guide vanes 18 are parallel to the inner side wall of the silo 12, and the size of the guide vanes 18 is larger than the air outlet, so as to eject an air flow parallel to the inner wall of the silo 12, thereby improving the air flow, enhancing the cleaning effect and area. By relying on the above settings, the sand and gravel materials adhered to the inner wall of the silo 12 can be cleaned, and further, the problem of the influence on the mixing ratio accuracy caused by the adhesion of sand and gravel materials can be reduced. Relying on the compressed air flow, compared with a staff member knocking with a pole, it can reduce the damage to the silo 12.
[0026] Furthermore, as Figures 2-3 shown, a hydraulic cylinder 2 is hinged to the bottom of the frame 11; the output end of the hydraulic cylinder 2 is hinged to the side wall of the baffle 14; the hydraulic cylinder 2 is located at the top of the belt conveyor 13; during use, relying on the telescopic movement of the hydraulic cylinder 2 to push the baffle 14 to move, and further controlling the baffle 14 to rotate, so that the bottom of the silo 12 is opened or closed.
[0027] Furthermore, as Figure 5 shown, a support 33 is fixedly connected to the middle of the air jet cylinder 17; a rotating shaft 31 is rotatably connected to the middle of the support 33; one end of the rotating shaft 31 is fixedly connected to the guide vane 18; the other end of the rotating shaft 31 is fixedly connected to an impeller 32; a first ring body 34 is fixedly connected to one end of the air jet cylinder 17 close to the guide vane 18; a second ring body 35 is fixedly connected to the side surface of the guide vane 18; the inner side wall of the first ring body 34 is in contact with and rotatably connected to the outer side wall of the second ring body 35; through grooves 36 are formed on both the first ring body 34 and the second ring body 35; during use, during the process of the air flow flowing in the air jet cylinder 17, it will drive the impeller 32 to rotate, and further the rotating shaft 31 to rotate. The rotating shaft 31 fixes the guide vane 18 through the support 33. During the rotation of the rotating shaft 31, it drives the second ring body 35 to rotate, thereby opening the first ring body 34 and the second ring body 35 so that air can be discharged outward. After use, rotate the second ring body 35 in the reverse direction, so that the through grooves 36 on the first ring body 34 and the second ring body 35 are misaligned, thereby closing it. Since during use, the air jet cylinder 17 will be buried in the sand and gravel, and sand and gravel may get stuck in the gap between the guide vane 18 and the air jet cylinder 17, which is likely to cause blockage. Therefore, through the above settings, it is closed to reduce the occurrence of blockage.
[0028] Furthermore, as Figure 5As shown, a reset ring 41 is fixedly connected to the inner side wall of the air jet tube 17; a pair of protrusions 43 are arranged on the inner side wall of the reset ring 41; a rod body 42 is fixedly connected to the end of the rotating shaft 31; the rod body 42 is located in the middle of the reset ring 41; a spring is fixedly connected between the rod body 42 and the protrusion 43; during use, the rotation of the rotating shaft 31 will drive the rod body 42 to rotate. When the through slots 36 on the first ring body 34 and the second ring body 35 are completely aligned, this is the maximum rotatable distance of the rod body 42 on the reset ring 41. The protrusion 43 and the rod body 42 are used to limit the angle by which the rotating shaft 31 can rotate. The spring is used to push the rotating shaft 31 to rotate in the reverse direction for reset after the air pump 15 is turned off.
[0029] Furthermore, as Figure 4 shown, a fixed seat 51 is fixedly connected to the bottom of the air pump 15; a filter mesh cover 52 is detachably fixed to the bottom of the fixed seat 51 by threads; during use, due to the relatively high dust content in the working environment of the construction site, and after the baffle 14 is opened, sand and gravel will fall and generate dust, and the dust will be sucked in by the air pump 15. Therefore, by installing a fixed seat 51 at the bottom of the air pump 15 and then installing a filter mesh cover 52 below the air pump 15, the air filtered by the air pump 15 can be reduced, thus reducing the situation of pipeline blockage and air pump 15 damage caused by dust.
[0030] Furthermore, as Figures 2-3 shown, a pair of baffle plates 7 are fixedly connected to both sides of the baffle 14; the baffle plates 7 are slidably connected to the side walls of the silo 12; during use, by relying on the setting of the baffle plates 7, they can block both sides of the baffle 14, thereby reducing the situation of sand and gravel sliding down from both sides of the baffle 14, and further reducing the situation of spilling.
[0031] Working principle: When in use, rely on an external air pump 15 to convey compressed air flow to the air delivery pipe 16. Then, the compressed air flow is ejected outward through the air jet cylinder 17. During the ejection process, rely on the guide vanes 18 arranged at its air outlet. Preferably, the guide vanes 18 are parallel to the inner wall of the silo 12, and the size of the guide vanes 18 is larger than the air outlet, so as to eject an air flow parallel to the inner wall of the silo 12, thereby improving the air flow and enhancing the cleaning effect and area. Relying on the above settings, the sand and gravel materials adhered to the inner wall of the silo 12 can be cleaned, and further, the problem of the sand and gravel materials adhesion affecting the mixing ratio accuracy can be reduced. Relying on the compressed air flow, compared with a worker holding a rod to knock, it can reduce the damage to the silo 12. Rely on the telescopic movement of the hydraulic cylinder 2 to push the baffle 14 to move, and then control the baffle 14 to rotate, so that the bottom of the silo 12 is opened or closed. During the process of the air flow flowing in the air jet cylinder 17, it will drive the impeller 32 to rotate, and then the rotating shaft 31 rotates. The rotating shaft 31 fixes the guide vanes 18 through the support 33. During the rotation of the rotating shaft 31, the second ring body 35 is driven to rotate, so as to open the first ring body 34 and the second ring body 35 and allow air to be discharged outward. After use, rotate the second ring body 35 in the reverse direction, so that the through slots 36 on the first ring body 34 and the second ring body 35 are misaligned, thereby closing them. Since the air jet cylinder 17 will be buried in the sand and gravel during use, sand and gravel may get stuck in the gap between the guide vanes 18 and the air jet cylinder 17, which is likely to cause blockage. Therefore, through the above settings, it is closed to reduce the occurrence of blockage. During use, the rotation of the rotating shaft 31 will drive the rod body 42 to rotate. When the through slots 36 on the first ring body 34 and the second ring body 35 are completely aligned, this is the maximum rotatable distance of the rod body 42 on the reset ring 41. The protrusion 43 and the rod body 42 are used to limit the rotation angle of the rotating shaft 31. The spring is used to push the rotating shaft 31 to rotate in the reverse direction for reset after the air pump 15 is turned off. Since the working environment at the construction site has a relatively high dust content, and after the baffle 14 is opened, sand and gravel will generate dust when falling. However, the dust will be sucked into the air pump 15. Therefore, by installing a fixing seat 51 at the bottom of the air pump 15 and then installing a filter mesh cover 52 below the air pump 15, the air inhaled by the air pump 15 can be filtered, which can reduce the situation of dust causing pipeline blockage and damage to the air pump 15. Relying on the setting of the baffle plate 7, it can block both sides of the baffle 14, thereby reducing the situation of sand and gravel slipping from both sides of the baffle 14 and further reducing the situation of spilling.
[0032] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
[0033] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.
Claims
1. A feeding structure of a mobile concrete mixing station, comprising a frame (11); a silo (12) is fixedly connected to the top of the frame (11); a belt conveyor (13) is installed at the bottom of the frame (11); an opening is provided at the bottom of the silo (12); a pair of baffles (14) are hinged at the bottom of the silo (12); characterized in that: An air pump (15) is fixedly connected to the side of the silo (12); an air pipe (16) is fixedly connected to the output end of the air pump (15); a plurality of air jets (17) are fixedly connected to the air pipe (16); the air jets (17) penetrate the side wall of the silo (12) and are fixedly connected thereto; an air outlet is provided at the end of the air jets (17); and a guide plate (18) is provided on the side of the air outlet.
2. The feeding structure of a mobile concrete mixing station according to claim 1 is characterized in that: A hydraulic cylinder (2) is hingedly connected to the bottom of the frame (11); an output end of the hydraulic cylinder (2) is hingedly connected to a side wall of a baffle (14); and the hydraulic cylinder (2) is located on the top of a belt conveyor (13).
3. The feeding structure of a mobile concrete mixing station according to claim 2 is characterized in that: A support (33) is fixedly connected to the middle of the jet tube (17); a rotating shaft (31) is rotatably connected to the middle of the support (33); one end of the rotating shaft (31) is fixedly connected to the guide vane (18); the other end of the rotating shaft (31) is fixedly connected to the impeller (32); a first ring body (34) is fixedly connected to the end of the jet tube (17) close to the guide vane (18); a second ring body (35) is fixedly connected to the side of the guide vane (18); the inner side wall of the first ring body (34) is attached to and rotatably connected to the outer side wall of the second ring body (35); and a through groove (36) is provided on both the first ring body (34) and the second ring body (35).
4. The feeding structure of a mobile concrete mixing station according to claim 3 is characterized in that: A reset ring (41) is fixedly connected to the inner wall of the jet cylinder (17); a pair of protrusions (43) are arranged on the inner wall of the reset ring (41); a rod body (42) is fixedly connected to the end of the rotating shaft (31); the rod body (42) is located in the middle of the reset ring (41); and a spring is fixedly connected between the rod body (42) and the protrusion (43).
5. The feeding structure of a mobile concrete mixing station according to claim 1, characterized in that: A fixing seat (51) is fixedly connected to the bottom of the air pump (15); a filter screen cover (52) is detachably fixed to the bottom of the fixing seat (51) via threads.
6. The feeding structure of a mobile concrete mixing station according to claim 1, characterized in that: The guide plate (18) is parallel to the inner wall of the silo (12); and the size of the guide plate (18) is larger than the air outlet.