Underground concrete sprayer
By designing the feed silo, screening plate and push plate structure in the underground concrete jet machine, the problem of blockage in the equipment feed port is solved, effective screening and discharge of stones is achieved, and the normal operation of the equipment is ensured.
Patent Information
- Application Number
- CN202421279961.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-06
AI Technical Summary
Existing underground concrete jets cannot screen the stones in the concrete, resulting in the inlet being easily blocked and affecting the use of the equipment.
A downhole concrete jet machine is designed, including feed silo, screening plate and push plate structure. The push plate is driven by the motor drive shaft to drive the push plate to rotate, screen the stones and push them into the cut plate to achieve effective discharge of particles. Prevent blockage.
Effectively screen the stones in the concrete to prevent equipment from being blocked and ensure the normal operation and use of the jet.
Smart Images

Figure CN222350721U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spraying machines, in particular to an underground concrete spraying machine. Background Art
[0002] Concrete spraying machine is a mechanical equipment that uses compressed air to form a suspended airflow with concrete in a certain ratio and sprays it onto the surface to form a dense concrete layer to achieve the purpose of support. It can also be used for underground construction.
[0003] The currently commonly used underground concrete spraying machines have the following defects: the feed port of the concrete spraying machine cannot screen the stones. When large stones are mixed in the concrete, the inside of the concrete spraying machine is easily blocked, affecting the use of the concrete spraying machine. Therefore, we propose an underground concrete spraying machine to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide an underground concrete spraying machine to solve the problem that the feed port of the currently commonly used underground concrete spraying machine cannot screen stones and when large stones are mixed in the concrete, the interior of the concrete spraying machine is easily blocked, which affects the use of the concrete spraying machine.
[0005] To achieve the above purpose, the utility model provides the following technical solution: an underground concrete spraying machine, comprising:
[0006] A machine base, wherein a concrete spraying machine body is arranged on the top of the machine base, and a material spraying pipe is arranged on the right side of the concrete spraying machine body;
[0007] A feed bin, the feed bin is arranged on the top of the concrete spraying machine body, and a connecting pipe is fixedly connected to the inner side of the top of the feed bin, a material guide plate is arranged on the inner side of the feed bin, and a motor is installed on the left outer wall of the feed bin, the output end of the motor extends to the inside of the feed bin, and the output end of the motor is fixedly connected to a shaft rod through a coupling, and a plurality of push plates are arranged on the outer side of the shaft rod, and the push plates are located in the same plane;
[0008] Screening plates: a plurality of groups of screening plates are fixedly connected inside the feed bin, and the screening plates are located below the push plates.
[0009] Preferably, casters are provided at the bottom of the concrete spraying machine body.
[0010] Preferably, the connecting pipe units are arranged at equal intervals.
[0011] Preferably, the cross section of the material guide plate is inclined, and the interior of the material guide plate is a hollow structure.
[0012] Preferably, the push plate and the screen plate are arranged crosswise, and the push plate passes through the inner side of the screen plate.
[0013] Preferably, the cross section of the sieve plate is an arc-shaped structure.
[0014] Preferably, a discharge plate is obliquely arranged on the left side of the feed bin, and the left end of the screening plate is fitted with the top discharge end of the discharge plate.
[0015] Preferably, a groove is provided on the left side of the top of the feed bin, and the inner bottom side of the feed bin is in an inclined structure.
[0016] Preferably, the bottom of the feed bin is communicated with the top feed port of the concrete spraying machine body.
[0017] Preferably, it also includes:
[0018] A handlebar is provided on the left side of the top of the base.
[0019] Compared with the prior art, the utility model has the following beneficial effects: the feed port of the underground concrete spraying machine is convenient for screening stones. When large stones are mixed in the concrete, the stones can be pushed out by the push plate, so that the inside of the concrete spraying machine is not easily blocked, thereby preventing the use of the concrete spraying machine from being affected.
[0020] During operation, concrete is added through the feed port on the top of the feed bin, and larger particles are screened by setting a connecting pipe. Smaller particles enter the feed bin through the guide plate, and the particles inside the feed bin are blocked by the screening plate. During the concrete feeding process, the motor drives the shaft to rotate, so that the shaft drives the push plate to rotate. During the rotation of the push plate, the push plate moves to the inner side of the screening plate, and the particles on the top of the screening plate are pushed to the left by the push plate, so that the push plate pushes the particles into the unloading plate, and the granular stones are unloaded through the unloading plate. A groove is provided on the left side of the top of the feed bin to facilitate the staff to push down the large particles on the top of the connecting pipe. After the concrete moves downward through the screening plate, it enters the interior of the concrete spraying machine body. After the concrete is mixed with pressurized water in the concrete spraying machine body, it is sprayed out through the spraying pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the front cutaway structure of the utility model;
[0023] Figure 3 This is a front cutaway structural diagram of the connection between the feed bin and the guide plate of the utility model;
[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the shaft rod and the push plate connected to the utility model;
[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the connection between the feed bin and the blanking plate of the utility model;
[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the connection between the feed bin and the blanking plate of the utility model.
[0027] In the figure: 1. Machine base; 2. Concrete spraying machine body; 3. Casters; 4. Spraying pipe; 5. Feed bin; 6. Connecting pipe; 7. Guide plate; 8. Motor; 9. Shaft; 10. Push plate; 11. Screening plate; 12. Unloading plate; 13. Handle. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-6 The utility model provides a technical solution: an underground concrete spraying machine, comprising: a machine base 1, a concrete spraying machine body 2 is arranged on the top of the machine base 1, and a spraying pipe 4 is arranged on the right side of the concrete spraying machine body 2; a feeding bin 5, the feeding bin 5 is arranged on the top of the concrete spraying machine body 2, a connecting pipe 6 is fixedly connected to the inner side of the top of the feeding bin 5, a material guide plate 7 is arranged on the inner side of the feeding bin 5, a motor 8 is installed on the left outer wall of the feeding bin 5, the output end of the motor 8 extends to the inside of the feeding bin 5, the output end of the motor 8 is fixedly connected to the shaft rod 9 through a coupling, and a plurality of push plates 10 are arranged on the outer side of the shaft rod 9, and the push plates 10 are located in the same plane; a screening plate 11, a plurality of screening plates 11 are fixedly connected to the inside of the feeding bin 5, and the screening plate 11 is arranged on the inner side of the feeding bin 5. The dividing plate 11 is located below the push plate 10, a caster 3 is provided at the bottom of the concrete spraying machine body 2, the connecting pipes 6 are arranged at equal intervals between the monomers, the cross-section of the guide plate 7 is inclined, and the interior of the guide plate 7 is a hollow structure, the push plate 10 and the screening plate 11 are arranged crosswise, the push plate 10 passes through the inner side of the screening plate 11, the cross-section of the screening plate 11 is an arc-shaped structure, a discharge plate 12 is obliquely provided on the left side of the feed bin 5, the left end of the screening plate 11 and the top discharge end of the discharge plate 12 are fitted together, a groove is provided on the left side of the top of the feed bin 5, the inner bottom side of the feed bin 5 is an inclined structure, the bottom of the feed bin 5 is connected with the top feed port of the concrete spraying machine body 2, and a handle 13 is provided on the left side of the top of the machine base 1.
[0030] When using the underground concrete spraying machine, Figure 1-Figure 6During operation, concrete is added through the feed port on the top of the feed bin 5, and larger particles are screened by setting a connecting pipe 6. Smaller particles enter the interior of the feed bin 5 through the guide plate 7. The particles inside the feed bin 5 are blocked by the screening plate 11. During the concrete feeding process, the motor 8 drives the shaft rod 9 to rotate, so that the shaft rod 9 drives the push plate 10 to rotate. During the rotation of the push plate 10, the push plate 10 moves to the inner side of the screening plate 11, and the particles on the top of the screening plate 11 are pushed to the left by the push plate 10, so that the push plate 10 pushes the particles into the unloading plate 12, and the granular stones are unloaded through the unloading plate 12. A groove is provided on the left side of the top of the feed bin 5 to facilitate the staff to push down the large particles on the top of the connecting pipe 6. The concrete moves downward through the screening plate 11 and enters the interior of the concrete spraying machine body 2. The concrete is mixed with pressurized water in the concrete spraying machine body 2 and then sprayed out through the spraying pipe 4. This is the entire working process of the underground concrete spraying machine.
[0031] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An underground concrete spraying machine, characterized in that: include: A machine base (1), wherein a concrete spraying machine body (2) is arranged on the top of the machine base (1), and a material spraying pipe (4) is arranged on the right side of the concrete spraying machine body (2); A feed bin (5), the feed bin (5) being arranged on the top of the concrete spraying machine body (2), and a connecting pipe (6) being fixedly connected to the inner side of the top of the feed bin (5), a material guide plate (7) being arranged on the inner side of the feed bin (5), and a motor (8) being installed on the left outer wall of the feed bin (5), the output end of the motor (8) extending to the inside of the feed bin (5), and the output end of the motor (8) being fixedly connected to a shaft (9) via a coupling, and a plurality of push plates (10) being arranged on the outer side of the shaft (9), and the push plates (10) being located in the same plane; Screening plates (11), a plurality of groups of screening plates (11) are fixedly connected inside the feed bin (5), and the screening plates (11) are located below the push plates (10).
2. An underground concrete spraying machine according to claim 1, characterized in that: Casters (3) are arranged at the bottom of the concrete spraying machine body (2).
3. The underground concrete spraying machine according to claim 1, characterized in that: The connecting pipe (6) monomers are arranged at equal intervals.
4. The underground concrete spraying machine according to claim 1, characterized in that: The cross section of the material guide plate (7) is inclined, and the interior of the material guide plate (7) is a hollow structure.
5. The underground concrete spraying machine according to claim 1, characterized in that: The push plate (10) and the screening plate (11) are arranged crosswise, and the push plate (10) passes through the inner side of the screening plate (11).
6. The underground concrete spraying machine according to claim 1, characterized in that: The cross section of the sieve plate (11) is in an arc-shaped structure.
7. The underground concrete spraying machine according to claim 1, characterized in that: A discharge plate (12) is obliquely arranged on the left side of the feed bin (5), and the left end of the screening plate (11) is in contact with the top discharge end of the discharge plate (12).
8. The underground concrete spraying machine according to claim 1, characterized in that: A groove is provided on the left side of the top of the feed bin (5), and the inner bottom side of the feed bin (5) is in an inclined structure.
9. An underground concrete spraying machine according to claim 8, characterized in that: The bottom of the feed bin (5) is in communication with the top feed port of the concrete spraying machine body (2).
10. The underground concrete spraying machine according to claim 1, characterized in that: Also includes: A handlebar (13) is provided on the left side of the top of the machine base (1).