Concrete mixing raw material lifting mechanism

Abstract

The utility model discloses a concrete mixing raw material lifting mechanism, which relates to the technical field of spiral feeding machines, and comprises a spiral feeding machine consisting of a conveying cylinder, a feeding hopper, a discharging port and a movable bracket, and a dust falling component, the dust falling assembly comprises a discharging dust falling unit, a feeding dust falling unit and a recycling unit. The unloading dust falling unit is used for carrying out dust falling operation on raw material flying dust when the raw materials fall down from the discharging opening; the feeding dust falling unit is used for carrying out dust falling operation on raw material flying dust when raw materials are put into the feeding hopper; and the recycling unit is used for recycling water falling from the feeding dust falling unit. According to the utility model, a water curtain effect can be formed around the feeding hopper and the discharging opening by arranging the dust falling assembly, so that flying dust is intercepted and prevented from being diffused into air, the influence of the flying dust in concrete mixing operation on the environment is effectively reduced, and the influence of the flying dust on the body of a constructor is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral feeding machine technical field, concretely is a kind of concrete mixing raw material lifting mechanism. BACKGROUND

[0002] The commonly mentioned concrete refers to cement as cementitious material, sand, stone as aggregate;With water (may contain admixture and admixture) according to certain proportion, after mixing, it is cement concrete, also called ordinary concrete, it is widely used in civil engineering.

[0003] With the increase of construction concrete demand, concrete mixing equipment volume is also bigger and bigger, so as to cause the height of its feeding port to increase, traditional manual feeding cannot adapt to the feeding operation of large-scale concrete mixing equipment, at this time, cement, sand feeding is generally carried out using spiral feeding machine, spiral feeding machine mainly utilizes rotating spiral blade to push material, thereby carrying out spiral conveying, can transport cement, sand to high feeding port position.

[0004] And in actual operation, when carrying out concrete raw material feeding by spiral feeding machine, especially when feeding cement, its concrete raw material is extremely prone to dust raising phenomenon under dry state, not only cause influence to the health of staff, but also cause adverse effect to environment, based on this, provide a kind of concrete mixing raw material lifting mechanism. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the problem in the above background, provide a kind of concrete mixing raw material lifting mechanism.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of concrete mixing raw material lifting mechanism, including by conveying cylinder, feeding hopper, discharge port, mobile support the spiral feeding machine of forming group, the feeding hopper, discharge port are connected to the upper and lower ends of conveying cylinder and with the inner cavity of conveying cylinder communication, the feeding hopper is located on the lower end of conveying cylinder upper surface, the discharge port is located on the upper end of conveying cylinder lower surface, the mobile support is connected to the outer side of feeding hopper, conveying cylinder by connecting rod, the mobile support top and the feeding hopper above, conveying cylinder below distribution has dust fall component, the dust fall component is used to carry out dust fall operation to concrete mixing raw material feeding;

[0007] The dust fall component includes unloading dust fall unit, feeding dust fall unit, recycling unit;

[0008] The unloading dust fall unit is used to carry out dust fall operation to raw material dust raising when raw material falls from discharge port;

[0009] The feeding dust fall unit is used to carry out dust fall operation to raw material dust raising when raw material is placed into the inside of feeding hopper;

[0010] The recycling unit is used for recycling the water falling from the feeding dust falling unit.

[0011] As a further scheme of the utility model: the unloading dust falling unit includes a water tank, a water pump, a three-way connecting pipe, a first connecting pipe, a fixed straight pipe and an annular spraying pipe.

[0012] The water tank and the water pump are installed on the top of the moving support, and the input end of the water pump is communicated with the water tank through a pipeline.

[0013] The three-way connecting pipe is installed on the output end of the water pump, and the first connecting pipe is connected to one output end of the three-way connecting pipe, the other end of the first connecting pipe is communicated with the fixed straight pipe, the fixed straight pipe is distributed below the conveying cylinder and is welded and fixed with the moving support through a support, the annular spraying pipe is sleeved outside the discharge opening, and one end of the fixed straight pipe is connected and communicated with the annular spraying pipe.

[0014] The water in the water tank is conveyed to the annular spraying pipe through the channel composed of the three-way connecting pipe, the first connecting pipe and the fixed straight pipe and is sprayed out through the operation of the water pump, so as to realize the dust falling operation on the material falling area below the discharge opening.

[0015] As a further scheme of the utility model: the feeding dust falling unit includes a second connecting pipe, an inclined connecting frame, a concave tank and a water falling hole.

[0016] The concave tank is distributed directly above the feeding hopper, and the concave tank is fixedly connected with the moving support through the inclined connecting frame.

[0017] One end of the second connecting pipe is connected and communicated with one output end of the three-way connecting pipe, and the other end of the second connecting pipe penetrates into the concave tank.

[0018] The water falling holes are arranged in the bottom of the inner wall of the concave tank and penetrate the outside of the concave tank, and the distribution track of the water falling holes is greater than the size of the outer wall of the feeding hopper.

[0019] The water in the water tank is conveyed to the concave tank through the channel composed of the three-way connecting pipe and the second connecting pipe and is discharged through the water falling holes through the operation of the water pump, so as to form a water curtain around the feeding hopper to intercept the dust during feeding.

[0020] As a further scheme of the utility model: the recycling unit includes a back-shaped water receiving tank and a backflow pipe.

[0021] The back-shaped water receiving tank is fixed outside the feeding hopper, and the top opening of the back-shaped water receiving tank is matched with the distribution track of the water falling holes, one end of the backflow pipe is connected and communicated with the bottom of the back-shaped water receiving tank, and the other end of the backflow pipe is connected and communicated with the top of the water tank.

[0022] The water flow discharged from the downspout is collected by the back-shaped water receiving tank and is transported to the inside of the water tank through the backflow pipe.

[0023] As a further scheme of the utility model: the top horizontal height of the back-shaped water receiving tank is lower than the top horizontal height of the feeding hopper, the inside middle part of the back-shaped water receiving tank is fixed with a back-shaped mesh plate, and the inside of the back-shaped water receiving tank is filled with filter cotton blocks on the top of the back-shaped mesh plate.

[0024] As a further scheme of the utility model: the spiral feeding machine further comprises a driving motor, a driving pulley, a driven pulley and a transmission belt.

[0025] The driving motor is fixed on the upper surface of the upper end of the conveying cylinder through a support, the driving pulley is fixed on the output end of the driving motor, the helical blade rotating shaft in the conveying cylinder extends out of the top of the conveying cylinder and is fixedly connected with the driven pulley, and the transmission belt is sleeved on the outer side of the annular spraying pipe and the driven pulley.

[0026] Compared with the prior art, the utility model has the beneficial effects that:

[0027] The dust falling assembly is arranged to form a water curtain effect around the feeding hopper and the discharging port, so that the dust lifting is intercepted, the dust lifting is prevented from diffusing into the air, the influence of the dust lifting of the concrete mixing operation on the environment is effectively reduced, and the physical influence of the dust lifting on the construction personnel is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 It is a structural schematic view of the utility model;

[0029] Fig. 2 It is a structural schematic view of the utility model without the conveying cylinder;

[0030] Fig. 3 It is a structural sectional view of the feeding hopper, the concave tank and the back-shaped water receiving tank of the utility model.

[0031] In the drawing: 1, spiral feeding machine; 101, conveying cylinder; 102, feeding hopper; 103, discharging port; 104, moving support; 105, driving motor; 106, driving pulley; 107, driven pulley; 108, transmission belt; 2, dust falling assembly; 201, water tank; 202, water pump; 203, three-way connecting pipe; 204, first connecting pipe; 205, fixed straight pipe; 206, annular spraying pipe; 207, second connecting pipe; 208, inclined connecting frame; 209, concave tank; 210, downspout; 211, back-shaped water receiving tank; 212, back-shaped mesh plate; 213, backflow pipe. DETAILED DESCRIPTION

[0032] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Please refer to Figs. 1-3 In the embodiment of the present application, a concrete mixing raw material lifting mechanism comprises a spiral feeding machine 1 composed of a conveying cylinder 101, a feeding hopper 102, a discharging port 103 and a moving support 104. The feeding hopper 102 and the discharging port 103 are respectively connected to the upper and lower ends of the conveying cylinder 101 and are in communication with the inner cavity of the conveying cylinder 101. The feeding hopper 102 is located on the upper surface of the lower end of the conveying cylinder 101, and the discharging port 103 is located on the lower surface of the upper end of the conveying cylinder 101. The moving support 104 is connected to the outer side of the feeding hopper 102 and the conveying cylinder 101 through a connecting rod. Dust falling assemblies 2 are distributed above the feeding hopper 102 and below the conveying cylinder 101 on the top of the moving support 104. The dust falling assemblies 2 are used for dust falling operation on the feeding of the concrete mixing raw material.

[0034] The dust falling assembly 2 comprises a discharging dust falling unit, a feeding dust falling unit and a recycling unit.

[0035] The discharging dust falling unit is used for dust falling operation on the raw material dust when the raw material falls from the discharging port 103.

[0036] The feeding dust falling unit is used for dust falling operation on the raw material dust when the raw material is put into the feeding hopper 102.

[0037] The recycling unit is used for recycling the water falling from the feeding dust falling unit.

[0038] The discharging dust falling unit comprises a water tank 201, a water pump 202, a three-way connecting pipe 203, a first connecting pipe 204, a fixed straight pipe 205 and an annular spraying pipe 206.

[0039] The water tank 201 and the water pump 202 are installed on the top of the moving support 104. The input end of the water pump 202 is in communication with the water tank 201 through a pipeline.

[0040] The three-way connecting pipe 203 is installed on the output end of the water pump 202. The first connecting pipe 204 is connected to one output end of the three-way connecting pipe 203. The other end of the first connecting pipe 204 is in communication with the fixed straight pipe 205. The fixed straight pipe 205 is distributed below the conveying cylinder 101 and is welded and fixed with the moving support 104 through a support. The annular spraying pipe 206 is sleeved on the outer side of the discharging port 103. One end of the fixed straight pipe 205 is connected in communication with the annular spraying pipe 206.

[0041] The water pump 202 operates to transport water from the water tank 201 to the annular spray pipe 206 through the channel composed of the three-way connecting pipe 203, the first connecting pipe 204, and the fixed straight pipe 205, and spray it out to achieve dust suppression in the material drop area below the discharge port 103.

[0042] The material feeding and dust suppression unit includes a second connecting pipe 207, an inclined connecting frame 208, a concave box 209, and a drain hole 210;

[0043] The concave box 209 is located directly above the feeding hopper 102, and the concave box 209 is fixedly connected to the movable support 104 through the inclined connecting frame 208;

[0044] One end of the second connecting pipe 207 is connected to one output end of the three-way connecting pipe 203, and the other end of the second connecting pipe 207 extends into the interior of the concave box 209.

[0045] Multiple drainage holes 210 are provided and are distributed in a rectangular shape at the bottom of the inner wall of the concave box 209 and penetrate through the outside of the concave box 209. The distribution trajectory of the drainage holes 210 is larger than the outer wall size of the feeding hopper 102.

[0046] The water pump 202 operates to transport water from inside the water tank 201 to the concave box 209 through the channel formed by the three-way connecting pipe 203 and the second connecting pipe 207, and discharges it through the drain hole 210 to form a water curtain around the feeding hopper 102, thereby intercepting the dust during feeding.

[0047] The recycling unit includes a return water tank 211 and a return pipe 213;

[0048] The return water tank 211 is fixed to the outside of the feeding hopper 102 and the top opening of the return water tank 211 matches the distribution trajectory of the drain hole 210. One end of the return pipe 213 is connected to the bottom of the return water tank 211 and the other end of the return pipe 213 is connected to the top of the water tank 201.

[0049] The return-type water tank 211 is used to collect the water flow discharged from the drain hole 210 and transport it to the inside of the water tank 201 through the return pipe 213;

[0050] The screw feeder 1 also includes a drive motor 105, a drive pulley 106, a driven pulley 107, and a transmission belt 108;

[0051] The drive motor 105 is fixed to the upper surface of the upper end of the conveying cylinder 101 by a bracket. The drive pulley 106 is fixed to the output end of the drive motor 105. The spiral blade shaft inside the conveying cylinder 101 extends out of the top of the conveying cylinder 101 and is fixedly connected to the driven pulley 107. The transmission belt 108 is sleeved on the annular spray pipe 206 and the outside of the driven pulley 107.

[0052] In this embodiment: need to be supplemented that the bottom of the mobile support 104 is installed with universal wheels, for realizing the convenient movement of the whole device, and the spiral blade inside the conveying cylinder 102 is a mature technology structure, which will not be described here;

[0053] The working principle of the spiral feeding machine 1 during operation is as follows:

[0054] The whole device is transferred close to the concrete mixing equipment, so that the discharge port 103 is located above the feeding port of the concrete mixing equipment, then water is injected into the water tank 201 through the external pipeline;

[0055] After the preparation work is completed, the driving motor 105 and the water pump 202 can be started, and at the same time, the concrete raw materials can be transferred and poured into the feeding hopper 102 through tools (such as a shovel or a forklift), the driving motor 105 drives the spiral blade to rotate through the driving of the driving pulley 106, the transmission belt 108 and the driven pulley 107, the concrete raw materials enter the conveying cylinder 101 along the feeding hopper 102 and are driven upward by the rotating spiral blade to the discharge port 103, and then fall into the concrete mixing equipment through the discharge port 103;

[0056] In this process, the water pump 202 delivers the water in the water tank 201 to the three-way connecting pipe 203 and divides it into two paths:

[0057] One of the paths is delivered to the inside of the annular spray pipe 206 along the first connecting pipe 204 and the fixed straight pipe 205, and is sprayed out through the bottom nozzle of the annular spray pipe 206, so that an annular water curtain is formed around the discharge port 103, which can wash the dust generated by the raw materials falling from the discharge port 103, and at the same time, this part of water will fall into the concrete mixing equipment at the same time, as one of the concrete mixing raw materials;

[0058] The other path is delivered to the concave box 209 along the second connecting pipe 207, and is discharged downward through the water outlet hole 210, so as to form a rectangular water curtain around the feeding hopper 102, so as to intercept the dust generated during the falling of the raw materials to the discharge hopper 102, and effectively avoid the overflow of the dust (it should be noted that during the feeding process, the raw materials will pass through part of the water curtain area, and the water falling on the raw materials during this process is small, which will not affect the conveying of the raw materials);

[0059] The water flowing downward through the water outlet hole 210 is finally collected by the back-type water collecting box 211, and is returned to the water tank 201 through the return pipe 213, realizing the efficient use of water resources.

[0060] Please refer to Figs. 1-3The top horizontal height of the back-shaped water receiving tank 211 is lower than the top horizontal height of the upper hopper 102, the inner side middle part of the back-shaped water receiving tank 211 is fixed with a back-shaped screen plate 212, and the inside of the back-shaped water receiving tank 211 is filled with a filter cotton block at the top of the back-shaped screen plate 212.

[0061] In the embodiment, the back-shaped water receiving tank 211 does not interfere with the feeding operation of the upper hopper 102, and the filter cotton block can intercept the dropped raw materials to avoid the blockage of the back-shaped screen plate 212 caused by the contact of the dropped raw materials.

[0062] Meanwhile, the filter cotton block can filter the solid dust in the falling water flow, so that the water flowing back to the inside of the water tank 201 is kept clean, the back-shaped screen plate 212 is used for supporting the filter cotton block and ensuring the smooth downward flow of the water flow.

[0063] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A concrete mixing raw material lifting mechanism, comprising a spiral feeding machine (1) composed of a conveying cylinder (101), an upper hopper (102), a lower discharge port (103), and a moving support (104), the upper hopper (102) and the lower discharge port (103) are respectively connected to the upper and lower ends of the conveying cylinder (101) and are in communication with the inner cavity of the conveying cylinder (101), the upper hopper (102) is located on the upper surface of the lower end of the conveying cylinder (101), the lower discharge port (103) is located on the lower surface of the upper end of the conveying cylinder (101), and the moving support (104) is connected to the outer side of the upper hopper (102) and the conveying cylinder (101) through a connecting rod, characterized in that, The mobile support (104) top is provided with a dust falling assembly (2) above the upper hopper (102) and below the conveying cylinder (101), which is used for dust falling operation on the raw material loading of the concrete mixing; The dust falling assembly (2) comprises a discharging dust falling unit, a loading dust falling unit and a recycling unit; The discharging dust falling unit is used for dust falling operation on the raw material dust when the raw material falls from the discharging port (103); The loading dust falling unit is used for dust falling operation on the raw material dust when the raw material is put into the upper hopper (102); The recycling unit is used for recycling the water falling from the loading dust falling unit.

2. A concrete raw material lifting mechanism according to claim 1, characterized in that, The discharging dust falling unit comprises a water tank (201), a water pump (202), a three-way connecting pipe (203), a first connecting pipe (204), a fixed straight pipe (205) and an annular spraying pipe (206); The water tank (201) and the water pump (202) are installed on the top of the mobile support (104), and the input end of the water pump (202) is communicated with the water tank (201) through a pipeline; The three-way connecting pipe (203) is installed on the output end of the water pump (202), one output end of the three-way connecting pipe (203) is connected with the first connecting pipe (204), the other end of the first connecting pipe (204) is communicated with the fixed straight pipe (205), the fixed straight pipe (205) is distributed below the conveying cylinder (101) and is welded and fixed with the mobile support (104) through a support, the annular spraying pipe (206) is sleeved outside the discharging port (103), and one end of the fixed straight pipe (205) is connected and communicated with the annular spraying pipe (206); Through the operation of the water pump (202), the water in the water tank (201) is conveyed to the annular spraying pipe (206) through the channel composed of the three-way connecting pipe (203), the first connecting pipe (204) and the fixed straight pipe (205) and is sprayed out, so as to realize dust falling operation on the material falling area below the discharging port (103).

3. A concrete raw material lifting mechanism according to claim 2, wherein The loading dust falling unit comprises a second connecting pipe (207), an inclined connecting frame (208), a concave box (209) and a water falling hole (210); The concave box (209) is distributed directly above the upper hopper (102), and the concave box (209) is fixedly connected with the mobile support (104) through the inclined connecting frame (208); One end of the second connecting pipe (207) is connected and communicated with one output end of the three-way connecting pipe (203), and the other end of the second connecting pipe (207) penetrates into the concave box (209); The water falling hole (210) is provided with a plurality of rectangular distribution holes in the inner wall bottom of the concave box (209) and penetrates the outside of the concave box (209), and the distribution track of the water falling hole (210) is greater than the outer wall size of the upper hopper (102); Through the operation of the water pump (202), the water in the water tank (201) is conveyed to the inside of the concave box (209) through the channel composed of the three-way connecting pipe (203) and the second connecting pipe (207) and is discharged through the water falling hole (210), so as to form a water curtain around the upper hopper (102), thereby realizing interception of the dust during loading.

4. A concrete raw material lifting mechanism according to claim 3, wherein The recycling unit comprises a back-shaped water receiving tank (211) and a backflow pipe (213); The back-shaped water receiving tank (211) is fixed outside the upper hopper (102), and the top opening of the back-shaped water receiving tank (211) matches the distribution track of the water falling hole (210); one end of the backflow pipe (213) is connected and conducted with the bottom of the back-shaped water receiving tank (211), and the other end of the backflow pipe (213) is connected and conducted with the top of the water tank (201); The back-shaped water receiving tank (211) is used for collecting the water flow discharged from the water falling hole (210), and the backflow pipe (213) is used for conveying the water flow to the inside of the water tank (201).

5. A concrete raw material lifting mechanism according to claim 4, wherein The top of the back-shaped water receiving tank (211) is lower than the top of the upper hopper (102) in horizontal height, the inside middle part of the back-shaped water receiving tank (211) is fixed with a back-shaped mesh plate (212), and the inside of the back-shaped water receiving tank (211) is filled with filter cotton blocks on the top of the back-shaped mesh plate (212).

6. A concrete mixing material lifting mechanism according to claim 1, wherein The spiral feeding machine (1) further comprises a driving motor (105), a driving pulley (106), a driven pulley (107) and a transmission belt (108); The driving motor (105) is fixed on the upper surface of the upper end of the conveying cylinder (101) through a support, the driving pulley (106) is fixed on the output end of the driving motor (105), the spiral blade rotating shaft in the conveying cylinder (101) extends out of the top of the conveying cylinder (101) and is fixedly connected with the driven pulley (107), and the transmission belt (108) is sleeved outside the annular spraying pipe (206) and the driven pulley (107).

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