Flying-dust-free concrete mixing plant
By introducing threaded connections and movable sealing components into the spray head assembly, the problem of inconvenient replacement when the spray head is clogged is solved, enabling quick disassembly and assembly of the spray head and ensuring the continuity of dust suppression work in the dust-free concrete mixing plant.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-03-17
AI Technical Summary
Existing dust-free concrete mixing plants require shutting down the water pump to replace spray heads when they become clogged, which disrupts dust suppression efforts and makes them inconvenient to use.
A spray head assembly was designed, which enables quick assembly and disassembly of the spray head by connecting the external threaded pipe port to the internal threaded connection, combined with a movable sealing component, thus avoiding the need to shut down the pump mechanism.
It enables quick replacement and installation of spray heads, ensuring the continuity of dust suppression work and improving ease of operation.
Smart Images
Figure CN223998708U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of concrete mixing plants, specifically a dust-free concrete mixing plant. Background Technology
[0002] A concrete batching plant is a facility used to produce concrete. It typically includes raw material storage, metering, mixing, and transportation. Concrete batching plants can be designed in various types according to different uses and requirements, such as stationary, mobile, and environmentally friendly types.
[0003] With the development of technology, there are more and more types of concrete mixing plants. Among them, concrete mixing plants that can achieve dust-free operation by sealing and enclosing all parts of the structure. When a dust-free concrete mixing plant is in operation, the aggregate storage area will always generate some dust due to unloading. Most of these plants use spraying to suppress dust. However, when the spraying device of a current dust-free concrete mixing plant becomes clogged, the pumping mechanism needs to be shut down before the spraying head can be replaced. This makes dust suppression impossible during replacement, which is quite inconvenient. Utility Model Content
[0004] The purpose of this utility model is to solve the problem that when the spray head of the existing dust-free concrete mixing plant is blocked, the pump mechanism needs to be turned off before the spray head can be replaced, which makes it inconvenient to use and prevents dust suppression during replacement. The present invention provides a dust-free concrete mixing plant.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a dust-free concrete mixing plant, comprising: a sealed mixing plant, a sealed feeding conveyor belt fixedly installed at one side end of the sealed mixing plant, an aggregate storage station fixedly installed at one end of the sealed feeding conveyor belt, a pipe mounting frame fixedly installed at one side end of the aggregate storage station, a water supply connection pipe passing through one end of the pipe mounting frame, a T-junction connection assembly fixedly installed at one end of the water supply connection pipe, and a spray head assembly screwed to one lower end of the T-junction connection assembly.
[0006] As a further embodiment of this utility model: a screw feeder is fixedly connected to one end of the sealed mixing station, and a storage tank is fixedly connected to the other end of the screw feeder. Multiple sets of the screw feeder and the storage tank are provided.
[0007] As a further embodiment of this utility model: the three-way connection assembly includes a main connecting pipe, a connecting secondary pipe is fixedly connected through the middle of the lower part of the main connecting pipe, a movable sealing component is fixedly installed at the upper end of the inner part of the connecting secondary pipe, an internal thread is provided on the lower side wall of the inner part of the connecting secondary pipe, a main connecting flange is fixedly installed at the side end of the main connecting pipe, a flange connecting through hole is provided inside the main connecting flange, two sets of main connecting flanges are provided, and multiple sets of flange connecting through holes are provided.
[0008] As a further embodiment of this utility model: the spray head assembly includes a spray head body, one end of which is connected to a spray connecting pipe, one end of which is connected to a spray connecting external threaded pipe opening, one end of which is fixedly provided with a fan-shaped connecting block, one end of which is fixedly provided with a circular top block, and three sets of fan-shaped connecting blocks are provided.
[0009] As a further embodiment of this utility model: the movable sealing assembly includes a fixed ring seat, a limiting sliding bracket is fixedly provided at one end of the inner side of the fixed ring seat, an adjusting slide rod is slidably connected through the middle of the limiting sliding bracket, a spray top plate is fixedly provided at one end of the adjusting slide rod, a sealing elastic element is sleeved on the outer side of the adjusting slide rod below the spray top plate, and a movable sealing disc is fixedly provided at one end of the adjusting slide rod below the fixed ring seat.
[0010] As a further improvement of this utility model: the number of the pipe mounting bracket, the water supply connection pipe, the tee connection assembly and the spray head assembly are all provided in multiple sets, and the water supply connection pipe and the tee connection assembly are arranged alternately.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] In this invention, the external threaded port of the spray connection inside the spray head assembly is aligned with the internal thread and screwed in. When the external threaded port of the spray connection is fully screwed into the connecting secondary pipe, the circular top block will press the spray top plate inward. At this time, the adjusting slide rod is located in the limiting sliding bracket and slides to push the movable sealing plate away from the fixed ring seat. The spray head assembly can be quickly connected and installed. During the process, the pump mechanism does not need to be turned off, and the spray head assembly can be quickly disassembled, replaced and used, which is more convenient. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of a dust-free concrete mixing plant according to the present invention;
[0014] Figure 2This is a schematic diagram of the installation structure of the three-way connection assembly and the spray head assembly in a dust-free concrete mixing plant according to the present invention.
[0015] Figure 3 This is a cross-sectional internal structural diagram of a three-way connection component in a dust-free concrete mixing plant according to the present invention.
[0016] Figure 4 This is a schematic diagram of the structure of a spray head assembly in a dust-free concrete mixing plant according to the present invention;
[0017] Figure 5 This is a schematic diagram of the internal thread connection structure in a dust-free concrete mixing plant according to the present invention.
[0018] In the diagram: 1. Enclosed mixing plant; 2. Screw feeder; 3. Storage tank; 4. Enclosed conveyor belt; 5. Aggregate storage station; 6. Pipeline mounting frame; 7. Water supply connection pipe; 8. T-joint assembly; 9. Spray head assembly; 80. Main connecting pipe; 81. Sub-connecting pipe; 82. Movable sealing assembly; 83. Internal connecting thread; 84. Main connecting flange; 85. Flange connecting through hole; 90. Spray head body; 91. Spray connecting pipe; 92. External threaded spray connecting pipe port; 93. Fan-shaped connecting block; 94. Circular top block; 801. Fixed ring seat; 802. Limiting sliding bracket; 803. Adjusting slide rod; 804. Spray top plate; 805. Sealing elastic element; 806. Movable sealing plate. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.
[0021] Reference Figure 1 and Figure 2 In this embodiment of the utility model, a dust-free concrete mixing plant includes: a sealed mixing plant 1, a sealed feeding conveyor belt 4 fixedly installed at one side of the sealed mixing plant 1, an aggregate storage station 5 fixedly installed at one end of the sealed feeding conveyor belt 4, a pipe mounting frame 6 fixedly installed at one side of the aggregate storage station 5, a water supply connection pipe 7 passing through one end of the pipe mounting frame 6, a T-junction assembly 8 fixedly installed at one end of the water supply connection pipe 7, a spray head assembly 9 screwed to one end of the lower end of the T-junction assembly 8, a screw feeder 2 passing through and fixedly connected at one end of the sealed mixing plant 1, a storage tank 3 passing through and fixedly connected at the other end of the screw feeder 2, and multiple sets of screw feeders 2 and storage tanks 3 are provided. Multiple sets of pipe mounting frame 6, water supply connection pipe 7, T-junction assembly 8 and spray head assembly 9 are provided, and the water supply connection pipe 7 and T-junction assembly 8 are alternately arranged.
[0022] Using the above scheme: Multiple sets of interconnected water supply pipes 7 and spray head assemblies 9 are fixedly installed at one end of the aggregate storage station 5 by multiple sets of pipe mounting brackets 6. By connecting the water supply pipes 7 to the water supply pipes 7, the spray dust suppression work can be carried out by multiple sets of spray head assemblies 9.
[0023] Reference Figure 3The tee connection assembly 8 includes a main connecting pipe 80, a secondary connecting pipe 81 that is fixedly connected to the lower center of the main connecting pipe 80, a movable sealing assembly 82 that is fixedly installed at one upper end inside the secondary connecting pipe 81, an internal connecting thread 83 that is opened on the lower side wall inside the secondary connecting pipe 81, a main connecting flange 84 that is fixedly installed at one side end of the main connecting pipe 80, a flange connecting through hole 85 that is opened inside the main connecting flange 84, two sets of main connecting flanges 84, and multiple sets of flange connecting through holes 85.
[0024] Reference Figure 4 The spray head assembly 9 includes a spray head body 90, a spray connecting pipe 91 is fixedly connected to one end of the spray head body 90, a spray connecting pipe 92 is fixedly connected to one end of the spray connecting pipe 91, a fan-shaped connecting block 93 is fixedly installed inside the spray connecting pipe 92, a circular top block 94 is fixedly installed at one end of the fan-shaped connecting block 93, and three sets of fan-shaped connecting blocks 93 are provided.
[0025] Reference Figure 5 The movable sealing assembly 82 includes a fixed ring seat 801. A limiting sliding bracket 802 is fixedly installed at one end of the inner side of the fixed ring seat 801. An adjusting slide rod 803 is slidably connected through the middle of the limiting sliding bracket 802. A spray top plate 804 is fixedly installed at one end of the adjusting slide rod 803. A sealing elastic element 805 is sleeved on the outer side of the adjusting slide rod 803 below the spray top plate 804. A movable sealing plate 806 is fixedly installed at one end of the adjusting slide rod 803 below the fixed ring seat 801.
[0026] Using the above solution: by aligning the external threaded port 92 of the spray connection in the spray head assembly 9 with the internal thread 83 of the connection and screwing it in, when the external threaded port 92 of the spray connection is fully screwed into the connecting secondary pipe 81, the circular top block 94 will squeeze the spray top plate 804 and push it inward. At this time, the adjusting slide rod 803 is located in the limiting sliding bracket 802 and slides to push the movable sealing plate 806 away from the fixed ring seat 801. The spray head assembly 9 can be quickly connected and installed. During the process, the pump mechanism does not need to be turned off, and the spray head assembly 9 can be quickly disassembled, replaced and used, which is more convenient.
[0027] The working principle of this utility model is as follows: During use, multiple sets of interconnected water supply pipes 7 and spray head assemblies 9 are fixedly installed at one end of the aggregate storage station 5 through multiple sets of pipe mounting brackets 6. By connecting the water supply pipes 7 to the pump water pipes, the multiple sets of spray head assemblies 9 can perform dust suppression spraying. When installing the multiple sets of spray head assemblies 9, the external threaded port 92 of the spray connection inside the spray head assembly 9 is aligned with the internal thread 83 and screwed in. When the external threaded port 92 of the spray connection is fully screwed into the connecting secondary pipe 81, the circular top block 94 will squeeze the spray top plate 804 and push it inward. At this time, the adjusting slide rod 803 is located in the limiting sliding bracket 802 and slides to push the movable sealing plate 806 away from the fixed ring seat 801. The spray head assembly 9 can be quickly connected and installed. During the process, the pump water mechanism does not need to be turned off, and the spray head assembly 9 can be quickly disassembled and replaced, making it more convenient to use.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A dustless concrete mixing plant, characterized in that Include: Closed mixing station (1), one end of the closed mixing station (1) is fixedly provided with closed feeding conveyor (4), one end of the closed feeding conveyor (4) is fixedly provided with aggregate storage station (5), one end of the aggregate storage station (5) is fixedly provided with pipeline mounting rack (6), one end of the pipeline mounting rack (6) is internally provided with water supply connecting pipe (7), one end of the water supply connecting pipe (7) is fixedly provided with three-way connecting assembly (8), one end of the three-way connecting assembly (8) is screw connected with spray head assembly (9) below; The spray head assembly (9) comprises a spray head body (90), a spray connecting pipe (91) is fixedly connected through one end of the spray head body (90), a spray connecting external thread pipe (92) is fixedly connected through one end of the spray connecting pipe (91), a fan-shaped connecting block (93) is fixedly arranged inside one end of the spray connecting external thread pipe (92), a circular top block (94) is fixedly arranged at one end of the fan-shaped connecting block (93), and three groups of fan-shaped connecting blocks (93) are arranged.
2. A dust-free concrete mixing plant according to claim 1, characterized in that One end of the closed mixing station (1) is fixedly connected with spiral feeder (2), the other end of the spiral feeder (2) is fixedly connected with storage tank (3), and a plurality of groups of spiral feeders (2) and storage tanks (3) are arranged.
3. A dust-free concrete mixing plant according to claim 1, characterized in that The three-way connecting assembly (8) comprises a connecting main pipe (80), a connecting auxiliary pipe (81) is fixedly connected through the middle of the connecting main pipe (80) below, a movable sealing assembly (82) is fixedly arranged inside one end of the connecting auxiliary pipe (81) above, a connecting internal thread (83) is formed in the inner lower side wall of the connecting auxiliary pipe (81), a main pipe connecting flange (84) is fixedly arranged at one end of the connecting main pipe (80), a flange connecting through hole (85) is formed in the inner side of the main pipe connecting flange (84), and two groups of main pipe connecting flanges (84) are arranged.
4. A dust-free concrete mixing plant according to claim 3, characterised in that The movable sealing assembly (82) comprises a fixed ring seat (801), a limiting sliding support (802) is fixedly arranged at one end of the inner side of the fixed ring seat (801), an adjusting sliding rod (803) is slidably arranged through the middle of the inner side of the limiting sliding support (802), a spray top disc (804) is fixedly arranged at one end of the adjusting sliding rod (803) above, a sealing elastic element (805) is sleeved on the outer side of the adjusting sliding rod (803) below the spray top disc (804), and a movable sealing disc (806) is fixedly arranged at one end of the adjusting sliding rod (803) below the fixed ring seat (801).
5. A dust-free concrete mixing plant according to claim 1, characterized in that The pipeline mounting rack (6), the water supply connecting pipe (7), the three-way connecting assembly (8) and the spray head assembly (9) are arranged in multiple groups, and the water supply connecting pipe (7) and the three-way connecting assembly (8) are arranged alternately.