Production device for shotcrete admixture for mine tunnel support

By designing an automated production device for shotcrete admixtures for mine tunnel support, the problems of tedious manual proportioning and health risks in the production of liquid concrete admixtures have been solved. The device enables automated addition and mixing of raw materials, thus protecting the health of workers.

CN224404880UActive Publication Date: 2026-06-26TAIAN CITY TAIXIN BUILDING MATERIAL TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIAN CITY TAIXIN BUILDING MATERIAL TECH
Filing Date
2025-06-23
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

The current production process of liquid concrete admixtures requires workers to manually mix the raw materials, which is cumbersome and poses health risks due to exposure to harmful substances.

Method used

A production device for shotcrete admixtures for mine tunnel support was designed. It adopts a telescopic cylinder and threaded rod structure to automatically control the addition and mixing of raw materials, reducing manual operation.

Benefits of technology

It enables automated addition and mixing of the raw solution, reducing the time workers are exposed to harmful substances, lowering workload, and protecting worker health.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to production device technical field discloses the production device of mine tunnel support uses injection concrete admixture, including mixing bin, the bottom fixed mounting of mixing bin has support frame, the inside bottom movable mounting of mixing bin has stirring structure. The utility model discloses through screw rod can adjust the position of adjusting block in charging bucket, make the loading volume in charging bucket change, through the telescopic end of telescopic cylinder will drive control block to descend, the connecting block on control block will drive movable link to control block and move, through the fixed frame can position limiting movable link, prevent movable link rotation, movable link moves back and will drive sealing cap to move, the one end that mixing bin is connected with mixing bin will be opened at this moment, the stock solution in charging bucket will flow into mixing bin, thereby reach without needing each time mixing to need manual proportioning, reduced the contact time of worker and stock solution, has alleviated the working strength and protected the health of worker.
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Description

Technical Field

[0001] This utility model relates to the field of production equipment technology, and in particular to a production equipment for shotcrete admixtures used in mine tunnel support. Background Technology

[0002] Concrete admixtures are substances added to improve and adjust the properties of concrete. The application of concrete admixtures in engineering is receiving increasing attention. The addition of admixtures plays a certain role in improving concrete performance. Initially, admixtures were used simply to save cement. With the development of construction technology, the use of admixtures has become a major measure to improve concrete performance. Admixtures are classified into solid and liquid types.

[0003] Existing liquid concrete admixtures require workers to manually weigh different proportions of the raw materials and pour them into the production equipment for mixing each time they are mixed. This is very troublesome. In addition, some raw materials are not only slightly corrosive, but also quickly form ammonia gas after mixing. Frequent exposure and inhalation of ammonia gas by workers can easily have a certain impact on their health. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a production device for shotcrete admixtures for mine tunnel support.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A production device for shotcrete admixtures for mine tunnel support includes a mixing chamber. A support frame is fixedly installed at the bottom of the mixing chamber. A stirring structure is movably installed at the bottom of the mixing chamber. A drive motor is fixedly installed at the bottom of the mixing chamber corresponding to the stirring structure. The output end of the drive motor is fixedly connected to the stirring structure. A telescopic cylinder is fixedly installed at the middle of the top of the mixing chamber. The telescopic end of the telescopic cylinder extends through the mixing chamber to the top of the mixing chamber. A control component is fixedly installed at the top of the telescopic end of the telescopic cylinder. The control component includes a movable rod, a control block, a connecting block, a fixing frame, and a fixing block. Four raw material tanks are also arranged around the telescopic cylinder. The raw material tanks are fixedly installed at the top of the mixing chamber. A movable cover is movably installed on the top of the raw material tanks. Four feeding tanks are fixedly installed at the top of the side wall of the mixing chamber corresponding to the positions of the raw material tanks. The feeding tanks are connected to the interior of the mixing chamber. A connecting pipe is fixedly connected to the bottom of the side wall of the raw material tank. The other end of the connecting pipe is fixedly connected to the interior of the feeding tank.

[0007] As a further embodiment of this utility model, an adjusting block is movably installed inside the feeding barrel, and a threaded rod is movably installed at the end of the feeding barrel away from the mixing chamber. The feeding barrel and the threaded rod are threadedly connected. A control handle is fixedly installed at the left end of the threaded rod, and the right end of the threaded rod is movably connected to the back of the adjusting block. A sealing cover is provided at the end of the feeding barrel connected to the mixing chamber, and the sealing cover is located inside the mixing chamber.

[0008] As a further embodiment of this utility model, the control block is fixedly installed on the top of the telescopic end of the telescopic cylinder, and connecting blocks are movably installed around the control block. The other end of the connecting block is movably connected to the movable rod. The fixed frame is set at the position corresponding to the movable rod. The fixed block is fixedly installed on the top side of the fixed frame. The top of the fixed block is fixedly connected to the top of the mixing chamber. A movable groove is opened on the side wall of the movable rod at the position corresponding to the fixed frame. The movable rod is movably installed on the fixed frame through the movable groove.

[0009] As a further embodiment of this utility model, a blocking block is fixedly installed on the sealing cover at the position where the connecting pipe is connected to the feeding barrel, and a connecting groove is opened on the blocking block at the position where the connecting pipe is connected.

[0010] As a further embodiment of this utility model, an observation window is provided on the side wall of the feeding barrel, and a scale mark is provided on the feeding barrel at the position corresponding to the observation window.

[0011] As a further embodiment of this invention, a discharge pipe is fixedly installed at the bottom of the side wall of the mixing chamber.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, the position of the adjusting block inside the feeding barrel can be adjusted by the threaded rod, thereby changing the loading volume inside the feeding barrel. The telescopic end of the telescopic cylinder will drive the control block to move downward, and the connecting block on the control block will drive the movable rod to move towards the control block. The fixed frame can limit the movable rod to prevent it from rotating. When the movable rod moves backward, it will drive the sealing cover to move. At this time, the end connecting the feeding barrel and the mixing chamber will be opened, and the raw liquid in the feeding barrel will flow into the mixing chamber. This eliminates the need for manual proportioning for each mixing, reduces the contact time between workers and the raw liquid, reduces the workload, and protects the health of workers. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the production device for the shotcrete admixture for mine tunnel support proposed in this utility model.

[0015] Figure 2This is a schematic diagram of the internal structure of the production device for the shotcrete admixture for mine tunnel support proposed in this utility model.

[0016] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 This utility model Figure 2 Enlarged view of section B in the middle.

[0018] In the diagram: 1. Mixing chamber; 2. Support frame; 3. Stirring structure; 4. Drive motor; 5. Discharge pipe; 6. Raw material tank; 7. Movable cover; 8. Telescopic cylinder; 9. Feeding tank; 10. Connecting pipe; 11. Threaded rod; 12. Control handle; 13. Movable rod; 14. Control block; 15. Connecting block; 16. Fixed frame; 17. Fixed block; 18. Movable groove; 19. Sealing cover; 20. Blocking block; 21. Connecting groove; 22. Adjusting block; 23. Observation window; 24. Scale mark. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within 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.

[0022] Reference Figure 1 - Figure 4A production device for shotcrete admixtures for mine tunnel support includes a mixing chamber 1. A support frame 2 is fixedly installed at the bottom of the mixing chamber 1. A mixing structure 3 is movably installed at the bottom of the mixing chamber 1. A drive motor 4 is fixedly installed at the bottom of the mixing chamber 1 corresponding to the position of the mixing structure 3. The output end of the drive motor 4 is fixedly connected to the mixing structure 3. A telescopic cylinder 8 is fixedly installed at the middle position of the top of the mixing chamber 1. The telescopic end of the telescopic cylinder 8 penetrates the mixing chamber 1 and extends to the top of the mixing chamber 1. A control component is fixedly installed at the top of the telescopic end of the telescopic cylinder 8. The control component includes a movable rod 13, a control block 14, a connecting block 15, a fixing frame 16, and a fixing block 17. Four raw material tanks 6 are also arranged around the telescopic cylinder 8. The raw material tanks 6 are fixedly installed at the top of the mixing chamber 1. A movable cover 7 is movably installed on the top of the raw material tanks 6. The movable cover 7 is placed on the raw material tanks 6 to prevent foreign objects from falling in. The top of the side wall of the mixing chamber 1 Four feeding tanks 9 are fixedly installed at the positions corresponding to the original liquid tank 6. The feeding tanks 9 are connected to the interior of the mixing chamber 1. A connecting pipe 10 is fixedly connected to the bottom of the side wall of the original liquid tank 6. The other end of the connecting pipe 10 is fixedly connected to the interior of the feeding tank 9. The original liquid to be mixed is poured into the original liquid tank 6. By gravity, the original liquid in the original liquid tank 6 will flow into the feeding tank 9 through the connecting pipe 10. Then, the telescopic cylinder 8 is activated. The telescopic end of the telescopic cylinder 8 will drive the control block 14 to move down. The movable rod 13 will drive the sealing cover 19 to move. At this time, the end of the feeding tank 9 connected to the mixing chamber 1 will be opened, and the original liquid in the feeding tank 9 will flow into the mixing chamber 1. Then, the telescopic end of the telescopic cylinder 8 will drive the control block 14 to reset. At this time, the movable rod 13 will push the sealing cover 19 back onto the feeding tank 9 to seal the inside of the feeding tank 9. When the original liquid enters the mixing chamber 1, the driving motor 4 drives the stirring structure 3 to work and mix the original liquid.

[0023] In this embodiment, an adjusting block 22 is movably installed inside the feeding barrel 9. A threaded rod 11 is movably installed at the end of the feeding barrel 9 away from the mixing chamber 1. The feeding barrel 9 and the threaded rod 11 are threadedly connected. A control handle 12 is fixedly installed at the left end of the threaded rod 11. The right end of the threaded rod 11 is movably connected to the back of the adjusting block 22. A sealing cover 19 is provided at the end of the feeding barrel 9 connected to the mixing chamber 1. The sealing cover 19 is located inside the mixing chamber 1. The threaded rod 11 is rotated by the control handle 12. The position of the adjusting block 22 inside the feeding barrel 9 can be adjusted by the threaded rod 11, so that the loading volume inside the feeding barrel 9 changes.

[0024] In this embodiment, the control block 14 is fixedly installed on the top of the telescopic end of the telescopic cylinder 8. Connecting blocks 15 are movably installed around the control block 14. The other end of the connecting blocks 15 is movably connected to the movable rod 13. The fixed frame 16 is set at the position corresponding to the movable rod 13. The fixed block 17 is fixedly installed on the top side of the fixed frame 16. The top of the fixed block 17 is fixedly connected to the top of the inside of the mixing chamber 1. The side wall of the movable rod 13 is provided with a movable groove 18 at the position corresponding to the fixed frame 16. The movable rod 13 is movably installed on the fixed frame 16 through the movable groove 18. The telescopic end of the telescopic cylinder 8 will drive the control block 14 to move down. The connecting blocks 15 on the control block 14 will drive the movable rod 13 to move towards the control block 14. The fixed frame 16 can limit the movable rod 13 to prevent it from rotating. When the movable rod 13 moves backward, it will drive the sealing cover 19 to move. At this time, the end of the feeding tank 9 connected to the mixing chamber 1 will be opened, and the original liquid in the feeding tank 9 will flow into the mixing chamber 1.

[0025] In this embodiment, a blocking block 20 is fixedly installed on the sealing cap 19 at the position where the connecting pipe 10 is connected to the feeding tank 9. A connecting groove 21 is opened on the blocking block 20 at the position where the connecting pipe 10 is connected. When the sealing cap 19 moves backward, the blocking block 20 will be moved backward along with it. The connecting groove 21 will be misaligned with the connecting pipe 10, and the blocking block 20 will block the connecting pipe 10. At this time, the original liquid in the original liquid tank 6 cannot flow into the feeding tank 9 through the connecting pipe 10.

[0026] In this embodiment, an observation window 23 is provided on the side wall of the feeding barrel 9, and a scale mark 24 is provided on the feeding barrel 9 at the position corresponding to the observation window 23. Through the observation window 23 and the scale mark 24, the worker can quickly observe the position of the adjustment block 22, which is convenient for adjustment.

[0027] In this embodiment, a discharge pipe 5 is fixedly installed at the bottom of the side wall of the mixing chamber 1, and the mixture is discharged from the mixing chamber 1 for repackaging through the discharge pipe 5.

[0028] As can be seen from the above description, the above embodiments of this utility model achieve the following technical effects: When in use, pour the stock solution to be mixed into the stock solution tank 6, and then cover the stock solution tank 6 with the movable cover 7 to prevent foreign objects from falling in;

[0029] Then, by controlling the screw rod 11 to rotate, the screw rod 11 can adjust the position of the adjusting block 22 in the feeding tank 9, thereby changing the loading volume in the feeding tank 9. The position of the adjusting block 22 in the feeding tank 9 is adjusted according to the amount of original liquid to be added to the original liquid tank 6 each time. The position of the adjusting block 22 in the feeding tank 9 can be quickly observed by the workers through the observation window 23 and the scale 24, which is convenient for adjustment.

[0030] During operation, the raw liquid in the gravity-fed raw liquid tank 6 flows into the feeding tank 9 through the connecting pipe 10. Then, the telescopic cylinder 8 is activated, causing the control block 14 to move downwards via its telescopic end. The connecting block 15 on the control block 14 then moves the movable rod 13 towards the control block 14. The fixing frame 16 limits the movement of the movable rod 13 to prevent it from rotating. When the movable rod 13 moves backwards, it moves the sealing cover 19, opening the end connecting the feeding tank 9 to the mixing chamber 1. The raw liquid in the feeding tank 9 flows into the mixing chamber 1. Simultaneously, the blocking block 20 moves backwards, causing the connecting groove 21 to misalign with the connecting pipe 10. The blocking block 20 then covers the connecting pipe 10. When the block is blocked, the original liquid in the original liquid tank 6 cannot flow into the feeding tank 9 through the connecting pipe 10. After a short period of time, the telescopic end of the telescopic cylinder 8 will drive the control block 14 to reset. At this time, the connecting block 15 on the control block 14 will push the movable rod 13 forward. The movable rod 13 will push the sealing cover 19 back onto the feeding tank 9, sealing the inside of the feeding tank 9. The connecting groove 21 on the blocking block 20 will realign with the connecting pipe 10, and the original liquid in the original liquid tank 6 will continue to flow into the feeding tank 9 through the connecting pipe 10. This process is repeated, so that manual mixing is not required every time, reducing the contact time between workers and the original liquid, reducing the workload, and protecting the health of workers.

[0031] After the raw liquid enters the mixing chamber 1, the driving motor 4 drives the stirring structure 3 to work and mix the raw liquid. Then, it is discharged from the mixing chamber 1 through the discharge pipe 5 for packaging.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A production apparatus for shotcrete admixtures for mine tunnel support, comprising a mixing chamber (1), characterized in that, A support frame (2) is fixedly installed at the bottom of the mixing chamber (1). A stirring structure (3) is movably installed at the bottom of the mixing chamber (1). A drive motor (4) is fixedly installed at the bottom of the mixing chamber (1) corresponding to the stirring structure (3). The output end of the drive motor (4) is fixedly connected to the stirring structure (3). A telescopic cylinder (8) is fixedly installed at the middle position of the top of the mixing chamber (1). The telescopic end of the telescopic cylinder (8) extends through the mixing chamber (1) to the top of the mixing chamber (1). A control component is fixedly installed at the top of the telescopic end of the telescopic cylinder (8). The control component includes a movable rod (13) and a control... The container consists of a block (14), a connecting block (15), a fixing frame (16), and a fixing block (17). Four raw liquid tanks (6) are also provided around the telescopic cylinder (8). The raw liquid tanks (6) are fixedly installed on the top of the mixing chamber (1). A movable cover (7) is movably installed on the top of the raw liquid tanks (6). Four feeding tanks (9) are fixedly installed on the top of the side wall of the mixing chamber (1) corresponding to the position of the raw liquid tanks (6). The feeding tanks (9) are connected to the inside of the mixing chamber (1). A connecting pipe (10) is fixedly connected to the bottom of the side wall of the raw liquid tanks (6). The other end of the connecting pipe (10) is fixedly connected to the inside of the feeding tanks (9).

2. The production apparatus for shotcrete admixture for mine tunnel support according to claim 1, characterized in that, An adjusting block (22) is movably installed inside the feeding barrel (9). A threaded rod (11) is movably installed at the end of the feeding barrel (9) away from the mixing chamber (1). The feeding barrel (9) and the threaded rod (11) are threadedly connected. A control handle (12) is fixedly installed at the left end of the threaded rod (11). The right end of the threaded rod (11) is movably connected to the back of the adjusting block (22). A sealing cover (19) is provided at the end of the feeding barrel (9) connected to the mixing chamber (1). The sealing cover (19) is located inside the mixing chamber (1).

3. The production apparatus for shotcrete admixtures for mine tunnel support according to claim 2, characterized in that, The control block (14) is fixedly installed on the top of the telescopic end of the telescopic cylinder (8). Connecting blocks (15) are movably installed around the control block (14). The other end of the connecting block (15) is movably connected to the movable rod (13). The fixed frame (16) is set at the position corresponding to the movable rod (13). The fixed block (17) is fixedly installed on the top side of the fixed frame (16). The top of the fixed block (17) is fixedly connected to the top of the mixing chamber (1). The movable rod (13) has a movable groove (18) on its side wall corresponding to the position of the fixed frame (16). The movable rod (13) is movably installed on the fixed frame (16) through the movable groove (18).

4. The production apparatus for shotcrete admixtures for mine tunnel support according to claim 2, characterized in that, A shielding block (20) is fixedly installed on the sealing cover (19) at the position where the connecting pipe (10) and the feeding bucket (9) are connected. A connecting groove (21) is opened on the shielding block (20) at the position where the connecting pipe (10) is connected.

5. The production apparatus for shotcrete admixture for mine tunnel support according to claim 1, characterized in that, An observation window (23) is provided on the side wall of the feeding barrel (9), and a scale mark (24) is provided on the feeding barrel (9) corresponding to the position of the observation window (23).

6. The production apparatus for shotcrete admixture for mine tunnel support according to claim 1, characterized in that, A discharge pipe (5) is fixedly installed on the bottom side wall of the mixing chamber (1).