Concrete discharging anti-blocking valve mechanism

Abstract

The utility model relates to the technical field of concrete construction equipment, and discloses a concrete blanking anti-blocking valve mechanism which comprises a concrete charging barrel, a blanking valve is arranged at the bottom end of the concrete charging barrel, and a driving motor is fixedly installed on one side of the blanking valve. The transmission end of the driving motor penetrates through the discharging valve to be fixedly connected with a main valve clack, and the end, away from the driving motor, of the main valve clack is connected with the discharging valve through a bearing. According to the concrete discharging anti-blocking valve mechanism, through the matched design of the main valve clack and the auxiliary valve clack, valve cleaning is achieved, the main valve clack is driven by the driving motor to rotate to control discharging, the auxiliary valve clack is located on the edge of the main valve clack, and a certain included angle is formed between the auxiliary valve clack and the main valve clack; the auxiliary valve clack can effectively scrape concrete residues attached to the inner wall of the discharging valve, concrete is prevented from being stacked and hardened at the valve, the blocking risk is reduced, it is guaranteed that the valve is opened and closed smoothly, and the manual cleaning frequency and the maintenance cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete construction equipment technical field, concretely is a kind of concrete blanking anti-blocking valve mechanism. BACKGROUND

[0002] In building construction, bridge construction and other engineering, efficient and stable delivery of concrete is the key link to ensure the quality and progress of the project.

[0003] The existing technology authorization announcement No.CN211310196U patent literature provides a kind of concrete raw material's blanking device, the blanking device of this kind of concrete raw material, the height of discharge pipe is adjusted according to the height of equipment by push cylinder, the material guide pipe is opened by valve, the first motor is rotated to drive spiral material guide rod, it is convenient to uniform blanking, the heat dissipation effect of first motor is improved by heat sink, the second motor is rotated to drive scraper rod, avoid raw materials to adhere to the inner wall of storage tank.

[0004] But the existing concrete blanking mechanism is inconvenient for the automatic cleaning of the residual concrete material in the valve during operation, during the concrete blanking process through the valve, due to the viscosity of concrete and the adhesion of sand and gravel aggregate, a large amount of material will be left in the inner wall of the valve, and the existing valve structure often lacks targeted cleaning design, and the residual material cannot be effectively removed during the opening and closing of the valve, once the residual concrete hardens, not only will it increase the opening and closing resistance of the valve, affect the control accuracy of blanking, but also easily cause the narrowing or even complete blockage of the blanking channel, seriously hinder the normal delivery of concrete, in addition, due to the lack of automatic cleaning function, workers can only use tools to scrape, knock and clean after the equipment is shut down, not only time-consuming and labor-intensive, but also increase labor costs, there are high-altitude operation, equipment damage and other safety risks, at the same time, frequent manual cleaning will cause the inner wall of the valve to wear out, shorten the service life of the equipment, and it is difficult to meet the demand of modern building engineering for efficient and continuous delivery of concrete. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] The utility model aims at providing a kind of concrete blanking anti-blocking valve mechanism to solve the problem of the above background technology that the existing concrete blanking mechanism is inconvenient for the automatic cleaning of the residual concrete material in the valve during operation.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical scheme: a concrete discharging anti -blocking valve mechanism, including concrete material cylinder, the bottom of concrete material cylinder is provided with discharging valve, one side of discharging valve is fixedly installed with drive motor, and the transmission end of drive motor is fixedly connected with main valve flap through discharging valve,

[0009] The end of the main valve flap away from the drive motor is connected to the discharging valve through a bearing, and the main valve flap is tightly attached to the inner wall of the discharging valve. A secondary valve flap is provided on one side of the main valve flap. The secondary valve flap is located at the edge of the main valve flap and forms a certain angle with the main valve flap. A concrete discharge nozzle is provided at the bottom end of the discharging valve.

[0010] Further, a feeding hopper is fixedly arranged on the upper surface of the concrete material cylinder. A drive motor is fixedly installed on the middle of the upper surface of the concrete material cylinder. A transmission shaft is fixedly connected to the transmission end of the bottom end of the drive motor through the concrete material cylinder.

[0011] Further, a plurality of stirring blades are arranged on the outer surface of the transmission shaft. A screw blade is arranged below the stirring blades on the outer surface of the transmission shaft.

[0012] Further, a fixed rod is fixedly connected to the outer surface of the transmission shaft. An arc-shaped scraper is fixedly connected to the end of the fixed rod away from the transmission shaft. The arc-shaped scraper is tightly attached to the inner wall of the concrete material cylinder.

[0013] Further, a connecting rod is fixedly connected to the two sides of the transmission shaft. The connecting rod is located below the fixed rod. An auxiliary scraper is fixedly connected to the end of the connecting rod away from the transmission shaft.

[0014] Further, the auxiliary scraper is tightly attached to the inner wall of the concrete material cylinder, and the auxiliary scraper is located below the arc-shaped scraper.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The concrete discharging anti-blocking valve mechanism realizes valve cleaning through the cooperative design of the main valve flap and the secondary valve flap. The main valve flap rotates to control discharging under the driving of the drive motor. The secondary valve flap is located at the edge of the main valve flap and forms a certain angle with the main valve flap. During the opening and closing process of the main valve flap, the secondary valve flap can effectively scrape off the concrete residues attached to the inner wall of the discharging valve, avoid the accumulation and hardening of concrete at the valve, reduce the risk of blockage, ensure the smooth opening and closing of the valve, and reduce the frequency of manual cleaning and maintenance cost.

[0017] 2、The concrete discharging anti-blocking valve mechanism, through the linkage design of the driving motor, the transmission shaft, the stirring blade and the auger blade, optimizes the concrete conveying process, the driving motor drives the transmission shaft to rotate, the stirring blade continuously stirs the concrete in the concrete barrel, prevents the concrete from segregating and coagulating, and ensures that the concrete maintains good workability, the auger blade below the stirring blade pushes the uniformly stirred concrete downward, forms stable discharging power, reduces the blockage caused by poor flowability of the concrete, and simultaneously improves the discharging efficiency and continuity;

[0018] 3、The concrete discharging anti-blocking valve mechanism, through the combination design of the fixed rod, the arc-shaped scraper, the connecting rod and the auxiliary scraper, realizes the cleaning of the inner wall of the barrel, when the transmission shaft rotates, the fixed rod drives the arc-shaped scraper and the connecting rod drives the auxiliary scraper to rotate synchronously, and the two are closely attached to the inner wall of the concrete barrel, can effectively scrape off the concrete attached to the inner wall of the barrel, avoids the formation of lumps due to the long-term residue of the concrete, guarantees the smoothness of the inner space of the barrel, reduces the influence of the accumulation of the concrete on the stirring and conveying functions, and further improves the anti-blocking effect and the overall operation stability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a three-dimensional structure schematic view of the discharging valve of the utility model;

[0021] Figure 3 It is a three-dimensional structure schematic view of the concrete barrel of the utility model;

[0022] Figure 4 It is a three-dimensional structure schematic view of the auxiliary scraper of the utility model.

[0023] In the drawing: 1, concrete barrel; 2, discharging valve; 3, driving motor; 4, main valve; 5, auxiliary valve; 6, concrete discharge nozzle; 7, feeding hopper; 8, driving motor; 9, transmission shaft; 10, stirring blade; 11, auger blade; 12, fixed rod; 13, arc-shaped scraper; 14, connecting rod; 15, auxiliary scraper. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figure 1 -Figure 4 The utility model provides a technical scheme: a concrete discharging anti -blocking valve mechanism, including concrete material cylinder 1, the bottom of concrete material cylinder 1 is provided with discharging valve 2, and one side of discharging valve 2 is fixedly installed with drive motor 3, and the transmission end of drive motor 3 is fixedly connected with main valve 4 through the penetration of discharging valve 2,

[0026] The end of main valve 4 away from drive motor 3 is connected with discharging valve 2 through bearing, and the inner wall of main valve 4 and discharging valve 2 is closely combined, one side of main valve 4 is equipped with auxiliary valve 5, auxiliary valve 5 is located at the edge of main valve 4 and is at a certain angle with main valve 4, and the bottom of discharging valve 2 is equipped with concrete discharge nozzle 6.

[0027] When discharging concrete, drive motor 3 starts, and the transmission end drives main valve 4 to rotate, and main valve 4 rotates around the bearing connected with discharging valve 2, so as to open the discharging channel, and concrete flows out from concrete discharge nozzle 6 through the gap between main valve 4 and discharging valve 2, and since the inner wall of main valve 4 and discharging valve 2 is closely combined, the flow and flow rate of concrete can be effectively controlled, and auxiliary valve 5 at a certain angle located at the edge of main valve 4 moves synchronously in the rotating process of main valve 4, auxiliary valve 5 can scrape the residual concrete on the inner wall of discharging valve 2, and the concrete material adhered to the inner wall of valve is cleaned down, so that it is discharged with main stream concrete, prevents the residual concrete from hardening in the inner wall of valve, ensures that the valve opens and closes smoothly, and avoids the blockage problem caused by the accumulation of concrete in the inner wall of valve.

[0028] The upper surface of concrete material cylinder 1 is fixedly provided with feeding hopper 7, the middle part of the upper surface of concrete material cylinder 1 is fixedly installed with drive motor 8, the transmission end of the bottom of drive motor 8 is fixedly connected with transmission shaft 9 through the penetration of concrete material cylinder 1, a plurality of stirring blades 10 are arranged on the outer surface of transmission shaft 9, auger blade 11 is arranged on the outer surface of transmission shaft 9 and below stirring blade 10, fixed rod 12 is fixedly connected with transmission shaft 9, arc-shaped scraper 13 is fixedly connected with the end of fixed rod 12 away from transmission shaft 9, arc-shaped scraper 13 is closely combined with the inner wall of concrete material cylinder 1, connecting rod 14 is fixedly connected with the outer surface of transmission shaft 9, connecting rod 14 is below fixed rod 12, auxiliary scraper 15 is fixedly connected with the end of connecting rod 14 away from transmission shaft 9, auxiliary scraper 15 is closely combined with the inner wall of concrete material cylinder 1, and auxiliary scraper 15 is below arc-shaped scraper 13.

[0029] The concrete is poured into the concrete cylinder 1 through the feeding hopper 7, the driving motor 8 is started, the transmission end drives the transmission shaft 9 to rotate, the stirring blades 10 on the outer surface of the transmission shaft 9 begin to stir the concrete, preventing the segregation and initial setting of the concrete in the cylinder, ensuring the uniformity and good fluidity of the concrete, at the same time, the auger blades 11 below the stirring blades 10 are driven by the transmission shaft 9 to convey the stirred concrete downward, the spiral pushing action of the auger blades 11 makes the concrete move downward at a stable flow rate and pressure, providing power support for the discharging process, avoiding blockage caused by insufficient flow of the concrete, in the process of rotating the transmission shaft 9, the fixed rod 12 drives the arc-shaped scraper 13 and the connecting rod 14 drives the auxiliary scraper 15 to rotate together, since the arc-shaped scraper 13 and the auxiliary scraper 15 are tightly attached to the inner wall of the concrete cylinder 1, they will scrape off the concrete attached to the inner wall of the cylinder, avoiding the formation of lumps due to the long-term residue of the concrete on the inner wall of the cylinder, ensuring the smoothness of the internal space of the concrete cylinder 1, so that the concrete can be smoothly stirred and conveyed, at the same time, the auxiliary scraper 15 is located below the arc-shaped scraper 13, and the two cooperate with each other to clean the inner wall of the cylinder from different heights, further improving the cleaning effect and reducing the influence of the concrete accumulation on the inner wall of the cylinder on the stirring and conveying functions, and comprehensively ensuring the normal operation of the concrete discharging anti-blocking valve mechanism.

[0030] Working principle: the concrete is poured into the concrete cylinder 1 through the feeding hopper 7, the driving motor 8 is started, the transmission end drives the transmission shaft 9 to rotate, the stirring blade 10 on the outer surface of the transmission shaft 9 starts to stir the concrete, prevents the segregation, initial setting and other phenomena of the concrete in the cylinder, ensures the uniformity and good fluidity of the concrete, at the same time, the auger blade 11 below the stirring blade 10 is driven by the transmission shaft 9 to convey the stirred concrete downward, the spiral pushing action of the auger blade 11 makes the concrete move downward at a stable flow rate and pressure, provides power support for the discharging process, avoids the blockage caused by the accumulation and insufficient fluidity of the concrete, when discharging, the driving motor 3 is started, the transmission end drives the main valve 4 to rotate, the main valve 4 rotates around the bearing connected with the discharging valve 2, so as to open the discharging channel, the concrete flows out from the concrete discharge nozzle 6 through the gap between the main valve 4 and the discharging valve 2, since the main valve 4 and the inner wall of the discharging valve 2 are closely fitted, the flow rate and flow rate of the concrete can be effectively controlled, in the rotating process of the main valve 4, the auxiliary valve 5 located at the edge and at a certain angle moves synchronously, the auxiliary valve 5 can scrape the residual concrete in the inner wall of the discharging valve 2, clean the concrete attached to the inner wall of the valve, so that it is discharged together with the main stream of concrete, prevents the residual concrete from hardening in the inner wall of the valve, ensures the smooth opening and closing of the valve, avoids the blockage problem caused by the accumulation of concrete in the inner wall of the valve, in the rotating process of the transmission shaft 9, the fixed rod 12 drives the arc-shaped scraper 13 and the connecting rod 14 drives the auxiliary scraper 15 to rotate together, since the arc-shaped scraper 13 and the auxiliary scraper 15 are closely fitted with the inner wall of the concrete cylinder 1, they can scrape the concrete attached to the inner wall of the cylinder, avoid the formation of lumps due to the long-term residual concrete in the inner wall of the cylinder, ensure the smoothness of the internal space of the concrete cylinder 1, so that the concrete can be stirred and conveyed smoothly, at the same time, the auxiliary scraper 15 is located below the arc-shaped scraper 13, and the two cooperate with each other to clean the inner wall of the cylinder from different heights, further improve the cleaning effect, reduce the influence of the accumulation of concrete in the inner wall of the cylinder on the stirring and conveying function, and comprehensively ensure the normal operation of the concrete discharging anti-blocking valve mechanism.

[0031] Finally, it should be pointed out that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application, and the simple modification or equivalent replacement of the technical scheme of the present application by the ordinary skilled in the art does not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. A concrete discharge anti-blocking valve mechanism, comprising a concrete discharge cylinder (1), characterized in that: The bottom end of the concrete cylinder (1) is provided with a discharge valve (2), and a drive motor (3) is fixedly installed on one side of the discharge valve (2). The transmission end of the drive motor (3) passes through the discharge valve (2) and is fixedly connected to the main valve disc (4). The end of the main valve disc (4) away from the drive motor (3) is connected to the discharge valve (2) through a bearing, and the main valve disc (4) is tightly fitted to the inner wall of the discharge valve (2). A secondary valve disc (5) is provided on one side of the main valve disc (4). The secondary valve disc (5) is located at the edge of the main valve disc (4) and forms a certain angle with the main valve disc (4). A concrete discharge nozzle (6) is provided at the bottom of the discharge valve (2).

2. The concrete discharge anti-blocking valve mechanism according to claim 1, characterized in that: The upper surface of the concrete cylinder (1) is fixedly provided with a feeding hopper (7), and a drive motor (8) is fixedly installed in the middle of the upper surface of the concrete cylinder (1). The transmission end of the drive motor (8) passes through the concrete cylinder (1) and is fixedly connected to a transmission shaft (9).

3. The concrete discharge anti-blocking valve mechanism according to claim 2, characterized in that: The outer surface of the drive shaft (9) is provided with a plurality of stirring blades (10), and the outer surface of the drive shaft (9) and below the stirring blades (10) is provided with auger blades (11).

4. The concrete discharge anti-blocking valve mechanism according to claim 3, characterized in that: A fixing rod (12) is fixedly connected to the outer surface of the drive shaft (9). An arc-shaped scraper (13) is fixedly connected to one end of the fixing rod (12) away from the drive shaft (9). The arc-shaped scraper (13) is tightly fitted to the inner wall of the concrete cylinder (1).

5. The concrete discharge anti-blocking valve mechanism according to claim 4, characterized in that: Connecting rods (14) are fixedly connected to both sides of the drive shaft (9). The connecting rods (14) are located below the fixed rod (12). An auxiliary scraper (15) is fixedly connected to one end of the connecting rod (14) away from the drive shaft (9).

6. The concrete discharge anti-blocking valve mechanism according to claim 5, characterized in that: The auxiliary scraper (15) is in close contact with the inner wall of the concrete cylinder (1), and the auxiliary scraper (15) is located below the arc-shaped scraper (13).

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