Gravel conveying device for concrete mixing plant

Abstract

The utility model relates to the technical field of concrete processing, and discloses a gravel conveying device for a concrete mixing plant, the gravel conveying device comprises a bottom frame, a framework is arranged above the bottom frame, conveying shafts are rotatably connected between the front inner side wall and the rear inner side wall of the left end and the right end of the framework, and conveying rollers are fixedly connected to the outer surfaces of the two conveying shafts. According to the gravel conveying device for the concrete mixing plant, through the hinged design of the framework and the bottom frame and the combination of a transmission mechanism of a threaded rod and a movable block, the height of the conveying belt can be easily adjusted, the conveying belt is made to adapt to feeding ports of different heights, a dust falling pipe with atomizing nozzles is arranged above the conveying belt, and the dust falling efficiency is improved. The nozzles can spray water mist, dust generated in the gravel conveying process is effectively restrained, the working environment is improved, environmental pollution is reduced, the body health of workers is protected, the baffles arranged on the framework can effectively prevent materials from falling off from the two sides in the conveying process, and conveying continuity and stability are ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete processing, in particular to a sand and stone conveying device for a concrete mixing station. BACKGROUND

[0002] In the process of mixing concrete, sand and stone is an essential raw material, and there is a certain distance between the sand and stone pile and the mixer, so the sand and stone needs to be transported.

[0003] The existing patent (announcement number: CN214925788U) discloses a sand and stone conveying device for a concrete mixing station, relating to the technical field of material conveying equipment, comprising a bottom plate, a plurality of universal wheels are arranged at the bottom of the bottom plate, a workbench is arranged above the bottom plate, cavities are formed in the both sides inside the workbench. The utility model discloses a double-shaft motor, a driving bevel gear, a driven bevel gear, an extension cylinder, a threaded column, a ball, a ball groove, an annular groove, a connecting column, a universal wheel, a supporting cylinder, an extension column, the double-shaft motor works, the output end of the double-shaft motor drives the rotating shaft and the driving bevel gear to rotate, since the driven bevel gear is engaged with the driving bevel gear, and the extension cylinder is fixedly connected with the connecting column and the driven bevel gear, and the extension cylinder is rotatably connected with the workbench through the ball, the ball groove and the annular groove, so that the driven bevel gear, the connecting column and the extension cylinder can be driven to rotate.

[0004] The above-mentioned sand and stone conveying device can adjust the overall height and thus be applicable to different conveying environments, but in actual use, the feeding port of the mixing station is usually arranged at a high position, and when conveying sand and stone aggregate, the aggregate needs to be conveyed from low to high, however, the above-mentioned conveying device cannot be applied, and secondly, dust is easily generated during conveying, which pollutes the environment and harms the workers' health. Utility model content

[0005] In view of the deficiencies of the prior art, the present application provides a sand and stone conveying device for a concrete mixing station, which has high applicability and dust reduction, and solves the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a sand and stone conveying device for a concrete mixing station, comprising a chassis, a framework is arranged above the chassis, a conveying shaft is rotatably connected between the front and rear inner side walls of the left and right ends of the framework, a conveying roller is fixedly connected to the outer surface of each of the two conveying shafts, a conveying belt is arranged between the two conveying rollers, and the two conveying rollers are drivingly connected through the conveying belt;

[0007] The bottom of the right end of the framework is hinged to the chassis, a threaded rod is rotatably connected between the left and right inner side walls of the framework, a moving block is threadedly connected to the outer surface of the threaded rod, an adjusting rod is hinged to the upper surface of the moving block, and the other end of the adjusting rod is hinged to the middle end of the framework.

[0008] Through the above scheme, through the hinge design of the framework and the chassis, combined with the transmission mechanism of the threaded rod and the moving block, the device can easily adjust the height of the conveying belt to adapt to the different heights of the feeding port. The dust fall pipe provided above the conveying belt is provided with atomizing nozzles, which can spray water mist to effectively suppress the dust generated during sand and stone conveying, improve the working environment, reduce environmental pollution, and protect the health of workers. The baffle provided on the framework can effectively prevent the material from falling from both sides during conveying, ensuring the continuity and stability of conveying. The movable wheels installed on the chassis enable the device to easily move between different positions, facilitating use in different mixing stations or different areas of the same mixing station.

[0009] Further, the upper surface of the framework is fixedly connected with two baffles.

[0010] Through the above scheme, the baffles can achieve the purpose of blocking the material, preventing the material from falling from both sides during the conveying process of the conveying belt.

[0011] Further, the top end of each of the two baffles is fixedly connected with a dust fall pipe, and the outer surface of each of the two dust fall pipes is fixedly connected with a plurality of upwardly inclined atomizing nozzles.

[0012] Through the above scheme, the atomizing nozzles can achieve the purpose of dust fall generated during conveying.

[0013] Further, the bottom of the chassis is fixedly installed with a set of movable wheels.

[0014] Through the above scheme, the movable wheels can facilitate the movement of the whole device.

[0015] Further, the bottom of the left end of the framework is fixedly connected with a set of stand feet.

[0016] Through the above scheme, the stand feet can limit the framework, and when the height is not adjusted, the conveying belt and the chassis are in a parallel state.

[0017] Further, the right end of the chassis is fixedly installed with a first motor, and the output end of the first motor is fixedly connected with one end of the threaded rod.

[0018] Through the above scheme, the first motor can provide power for the rotation of the threaded rod.

[0019] Further, the two limiting rods are fixedly connected between the left and right inner walls of the framework, and the moving block is in sliding sleeve connection with the two limiting rods.

[0020] Through the above scheme, the movement of the moving block can be limited, and the movement stability is improved.

[0021] Further, the second motor is installed on the right end of the framework in the front, and the output end of the second motor is fixedly connected with one end of the conveying shaft close to the second motor.

[0022] Through the above scheme, the rotation of the conveying belt can be powered through the setting of the second motor.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The sand and stone conveying device for the concrete mixing station can easily adjust the height of the conveying belt through the hinged design of the framework and the chassis, combined with the transmission mechanism of the threaded rod and the moving block, so that it can adapt to different heights of the material inlet. A dust fall pipe with atomizing nozzles is arranged above the conveying belt, the nozzles can spray water mist to effectively suppress the dust generated during the conveying of sand and stone, improve the working environment, reduce environmental pollution, and protect the health of workers. The baffle arranged on the framework can effectively prevent the material from falling from both sides during conveying, ensuring the continuity and stability of conveying. The moving wheels installed on the chassis make the device easy to move between different positions, facilitating the use in different mixing stations or different areas of the same mixing station. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a three-dimensional schematic view of the overall structure of the present application Figure One ;

[0026] Figure 2 is a three-dimensional schematic view of the overall structure of the present application Figure Two ;

[0027] Figure 3 is a sectional view of the overall structure of the present application

[0028] Figure 4 is a chassis structure diagram of the present application.

[0029] In the drawings:

[0030] 1, chassis; 2, framework; 3, conveying shaft; 4, conveying roller; 5, conveying belt; 6, threaded rod; 7, moving block; 8, adjusting rod; 9, baffle; 10, dust fall pipe; 11, atomizing nozzle; 12, moving wheel; 13, station foot; 14, first motor; 15, limiting rod; 16, second motor. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , the sand and stone conveying device for a concrete mixing station in the embodiment comprises a base frame 1, a framework 2 is arranged above the base frame 1, conveying shafts 3 are rotatably connected between the front and rear inner side walls at the left and right ends of the framework 2, conveying rollers 4 are fixedly connected to the outer surfaces of the two conveying shafts 3, a conveying belt 5 is arranged between the two conveying rollers 4, and the two conveying rollers 4 are drivingly connected through the conveying belt 5. Through the arrangement of the framework 2, the support purpose of the conveying belt 5 can be achieved, and the carrying capacity thereof is improved. The upper surface of the framework 2 is fixedly connected with two baffle plates 9. Through the arrangement of the baffle plates 9, the blocking purpose of the materials can be achieved, so as to avoid the materials from falling from both sides in the process of conveying the materials by the conveying belt 5. A second motor 16 is installed on the right end of the framework 2 in the front. The output end of the second motor 16 is fixedly connected to one end of the conveying shaft 3 close to the second motor 16. Through the arrangement of the second motor 16, power can be provided for the rotation of the conveying belt 5.

[0033] Please refer to Figure 1 , Figure 2 and Figure 4 , the right end bottom of the framework 2 is hingedly connected with the base frame 1. Threaded rods 6 are rotatably connected between the left and right inner side walls of the framework 2. The outer surfaces of the threaded rods 6 are threadedly connected with moving blocks 7. The upper surfaces of the moving blocks 7 are hingedly connected with adjusting rods 8. The other ends of the adjusting rods 8 are hingedly connected with the middle end of the framework 2. Through the above arrangement, when the moving blocks 7 move to the right, the left end of the framework 2 can be pushed to overturn upward, thereby facilitating the adaptation to the inlets of different heights. The left end bottom of the framework 2 is fixedly connected with a group of stand feet 13. Through the arrangement of the stand feet 13, the framework 2 can be limited in position. When the height is not adjusted, the conveying belt 5 is in a parallel state with the base frame 1. The right end of the base frame 1 is fixedly installed with a first motor 14. The output end of the first motor 14 is fixedly connected with one end of the threaded rod 6. Through the arrangement of the first motor 14, power can be provided for the rotation of the threaded rod 6.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3The two limiting rods 15 are fixedly connected between the left and right inner side walls of the framework 2, the moving block 7 is slidably sleeved with the two limiting rods 15, and the moving block 7 can be limited during movement, thereby improving the movement stability; a group of moving wheels 12 are fixedly installed at the bottom of the chassis 1, the setting of the moving wheels 12 can facilitate the movement of the whole, the top end of each of the two baffles 9 is fixedly connected with a dust falling pipe 10, the outer surface of each of the two dust falling pipes 10 is fixedly connected with a plurality of upwardly inclined atomizing nozzles 11, and the setting of the atomizing nozzles 11 can achieve the purpose of dust falling of the dust generated during conveying.

[0035] The sand and stone conveying device for the concrete mixing station in the embodiment can easily adjust the height of the conveying belt 5 by the hinged design of the framework 2 and the chassis 1 in combination with the transmission mechanism of the threaded rod 6 and the moving block 7, so that the conveying belt 5 can adapt to the inlets of different heights; the dust falling pipe 10 with the atomizing nozzles 11 is arranged above the conveying belt 5, the nozzles can spray water mist to effectively suppress the dust generated during the conveying of sand and stone, improve the working environment, reduce environmental pollution, and protect the health of workers; the baffles 9 arranged on the framework 2 can effectively prevent the materials from falling from both sides during the conveying process, thereby ensuring the continuity and stability of the conveying; and the moving wheels 12 installed on the chassis 1 can make the device easily move between different positions, thereby facilitating the use in different mixing stations or different areas of the same mixing station.

[0036] The working principle of the above embodiment is as follows: first, before the device is started, ensure that the base frame 1 is stably placed, and preliminarily limit the skeleton 2 through the standing feet 13, so that the conveying belt 5 is in an initial parallel state; when it is needed to convey sand and stones, start the second motor 16, the output end of the second motor 16 drives the conveying shaft 3 connected thereto to rotate, thereby driving the conveying rollers 4 and the conveying belt 5 to start running, the sand and stone materials are placed on the conveying belt 5, and with the movement of the conveying belt 5, the materials are continuously and stably conveyed to the designated position; in the conveying process, in order to prevent the materials from falling from both sides of the conveying belt 5, the baffle 9 above the skeleton 2 can effectively block the materials, so as to ensure the continuity and stability of the conveying; at the same time, in order to suppress the dust generated in the conveying process, the atomizing nozzles 11 on the dust fall pipe 10 start to spray water mist, the water mist combines with the dust particles in the air to form larger particles and settle down, thereby effectively reducing the flying of dust; when it is needed to adjust the height of the conveying belt 5 to adapt to the inlets of different heights, start the first motor 14, the output end of the first motor 14 drives the threaded rod 6 to rotate, thereby driving the moving block 7 to move on the threaded rod 6; since the moving block 7 is hinged with the adjusting rod 8, and the other end of the adjusting rod 8 is hinged with the skeleton 2, the movement of the moving block 7 will push one end of the skeleton 2 to turn upward, thereby changing the height of the conveying belt 5; finally, when the conveying task is completed, the second motor 16 and the first motor 14 are turned off, so that the conveying belt 5 and the height adjusting mechanism stop working; at this time, the device can be moved to other positions needed to be used through the moving wheels 12.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In the absence of a contrary indication, any statement as to what an element, feature, structure, or characteristic "comprises" shall also be understood as including an instance in which the element, feature, structure, or characteristic "consists of.

[0038] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A sand and gravel conveying device for a concrete mixing plant, comprising a chassis (1), characterised in that: The upper portion of the chassis (1) is provided with a framework (2), the front and rear inner side walls between the left and right ends of the framework (2) are rotatably connected with conveying shafts (3), the outer surfaces of the two conveying shafts (3) are fixedly connected with conveying rollers (4), a conveying belt (5) is arranged between the two conveying rollers (4), and the two conveying rollers (4) are drivingly connected through the conveying belt (5); The right end bottom of the framework (2) is hingedly connected with the chassis (1), the left and right inner side walls of the framework (2) are rotatably connected with threaded rods (6), the outer surfaces of the threaded rods (6) are threadedly connected with moving blocks (7), the upper surfaces of the moving blocks (7) are hingedly connected with adjusting rods (8), and the other ends of the adjusting rods (8) are hingedly connected with the middle ends of the framework (2).

2. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, characterized in that: The upper surface of the framework (2) is fixedly connected with two baffle plates (9).

3. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 2, wherein: The top ends of the two baffle plates (9) are fixedly connected with dust falling pipes (10), and the outer surfaces of the two dust falling pipes (10) are fixedly and continuously connected with a plurality of upwardly inclined atomizing nozzles (11).

4. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, wherein: A set of moving wheels (12) is fixedly installed at the bottom of the chassis (1).

5. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, wherein: A set of standing feet (13) is fixedly connected with the left end bottom of the framework (2).

6. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, wherein: A first motor (14) is fixedly installed at the right end of the chassis (1), and one end of the threaded rod (6) is fixedly connected with the output end of the first motor (14).

7. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, wherein: Two limiting rods (15) are fixedly connected between the left and right inner side walls of the framework (2), and the moving block (7) is slidingly sleeved with the two limiting rods (15).

8. A sand and gravel delivery apparatus for a concrete mixing plant as defined in claim 1, wherein: A second motor (16) is installed on the right end of the framework (2), and one end of the conveying shaft (3) close to the second motor (16) is fixedly connected with the output end of the second motor (16).

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