A cement resistance grouting machine

Abstract

This utility model relates to grouting devices, specifically disclosing a cement resistance grouting machine, including a grout storage tank and a grout discharge device connected to the lower end of the storage tank. The grout discharge device includes a shell located below the storage tank, multiple grout guiding devices located within the shell, a drive shaft horizontally located within the shell, multiple extrusion devices mounted on the drive shaft, and a first drive device for driving the drive shaft to rotate. The multiple grout guiding devices are distributed along the axial direction of the drive shaft. Each grout guiding device includes a conduit connected to the storage tank, an extrusion tube connected to the conduit and having a C-shaped structure, and a vertically arranged drain pipe connected to the extrusion tube. The extrusion tube is attached to the inner wall of the shell, and one extrusion device is used to extrude one extrusion tube. This utility model's cement resistance grouting machine can perform grouting operations on multiple cement resistors simultaneously with high efficiency and precision.

Description

Technical Field

[0001] This utility model relates to the technical field of grouting devices, and more specifically, to a cement resistance grouting machine. Background Technology

[0002] Cement resistors, as electronic components with high heat resistance and stability, require a special manufacturing process due to their unique structure. They use an alkali-free, heat-resistant ceramic base, around which resistance wire is tightly wound. The exterior is then wrapped with multiple layers of heat-resistant, moisture-resistant, and corrosion-resistant protective materials. Finally, the entire wound resistor body is embedded within a square ceramic frame and sealed with special non-combustible, heat-resistant cement. This series of structural designs endows it with stable operation in harsh environments such as high temperatures and humidity.

[0003] In the production process, the injection of cement slurry is a critical step. The usual practice is to precisely place the resistive element into a custom mold, then inject a measured amount of cement slurry into the mold, and allow it to solidify to complete the process. However, because cement resistors are small in size, the amount of slurry required for each injection is extremely small, which places extremely high demands on the precision of slurry control.

[0004] Currently, the industry mostly uses a method of injecting slurry one resistor at a time to avoid product defects caused by uneven slurry distribution. However, this production mode severely restricts efficiency improvement, especially in large-scale production. Operating one resistor at a time is not only time-consuming and labor-intensive, but also increases labor costs and production cycles. Therefore, developing a device that can achieve simultaneous and precise injection of multiple resistors has become an urgent need for the industry. Utility Model Content

[0005] The purpose of this invention is to provide a cement resistance grouting machine that can perform grouting operations on multiple cement resistors simultaneously with high efficiency and precision.

[0006] This utility model is achieved through the following technical solution: The cement resistance grouting machine of this utility model includes a grout storage tank and a grout discharge device connected to the lower end of the grout storage tank; the grout discharge device includes a shell disposed below the grout storage tank, a plurality of grout guiding devices disposed within the shell, a drive shaft horizontally disposed within the shell, a plurality of extrusion devices disposed on the drive shaft, and a first drive device for driving the drive shaft to rotate; the plurality of grout guiding devices are distributed along the axial direction of the drive shaft, and each grout guiding device includes a conduit connected to the grout storage tank, an extrusion tube connected to the conduit and having a C-shaped structure, and a drain pipe connected to the extrusion tube and arranged vertically; the extrusion tube is attached to the inner wall of the shell, and one extrusion device is used to extrude one extrusion tube.

[0007] Furthermore, the portion of the housing that contacts the extrusion tube is arc-shaped.

[0008] Furthermore, the extrusion device includes a plurality of connecting rods fixedly connected to the drive shaft, and an extrusion wheel rotatably connected to one end of the connecting rods away from the drive shaft; the drive shaft coincides with the center of the extrusion tube, and the extrusion wheel abuts against the outer wall of the extrusion tube.

[0009] Furthermore, the conduit and the drain pipe are coaxially arranged, and both the conduit and the drain pipe are fixedly connected to the housing; one end of the squeezing tube is connected to the lower side wall of the conduit, and the other end of the squeezing tube is connected to the upper side wall of the drain pipe.

[0010] Furthermore, the slurry guiding device also includes a wall scraping assembly; the wall scraping assembly includes a U-shaped first scraper disposed inside the guide tube, an inverted U-shaped second scraper disposed inside the drain pipe, a connecting shaft for connecting the first scraper and the second scraper, and a second driving device for driving the connecting shaft to rotate; the upper end of the connecting shaft passes through the lower end of the guide tube and is rotatably and sealingly connected to the guide tube, and the lower end of the connecting shaft passes through the upper end of the drain pipe and is rotatably and sealingly connected to the drain pipe; the first scraper is attached to the inner wall of the guide tube, and the second scraper is attached to the inner wall of the drain pipe.

[0011] Furthermore, the first driving device includes a motor fixedly connected to the outer wall of the housing; the output shaft of the motor is coaxially connected to the driving shaft; both ends of the driving shaft are rotatably connected to the side wall of the housing.

[0012] Furthermore, the motor is a servo motor.

[0013] Furthermore, the second driving device includes a worm gear fixedly mounted on the connecting shaft, a worm meshing with the worm gear, a driving rod coaxially connected to multiple worms, a driven wheel mounted on the driving rod, a driving wheel mounted on the driving shaft, and a transmission belt for connecting the driving wheel and the driven wheel; the axis of the connecting shaft coincides with the axis of the worm gear; both ends of the driving rod are rotatably connected to the side wall of the housing, and the axial direction of the driving rod is parallel to the axial direction of the driving shaft.

[0014] The technical solution of this utility model has at least the following advantages and beneficial effects: In use, the cement resistance grouting machine of this utility model involves adding cement grout into a storage tank (which can be continuously stirred with a mixing device). The grout in the storage tank is then quantitatively discharged through a grout discharge device, completing the grouting operation. During this process, the grout in the storage tank enters the extrusion tube through a conduit. The extrusion device periodically extrudes the extrusion tube, forcing the grout into the discharge pipe, which then discharges it. This allows for simultaneous grouting operations by setting an appropriate number of grout guiding devices, and the grout volume can be more precisely controlled, effectively improving the grouting operation for small-volume grout. Attached Figure Description

[0015] Figure 1 A schematic diagram of the structure of the cement resistance grouting machine provided in this embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the slurry discharge device provided in an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the housing provided in an embodiment of the present utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the slurry guiding device provided in an embodiment of the present utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the slurry guiding device provided in an embodiment of the present utility model;

[0020] Figure 6 This is a structural schematic diagram of the wall scraping component provided in an embodiment of the present utility model.

[0021] Icons: 10-Slurry storage tank, 20-Shell, 21-Slurry guiding device, 211-Conduit pipe, 212-Extrusion pipe, 213-Drain pipe, 22-Drive shaft, 23-Extrusion device, 231-Connecting rod, 232-Extrusion wheel, 24-First drive device, 241-Motor, 25-Wall scraping assembly, 251-First scraper, 252-Second scraper, 253-Connecting shaft, 26-Second drive device, 261-Worm gear, 262-Worm, 263-Drive rod, 264-Driving wheel, 265-Driven wheel, 266-Transmission belt. Detailed Implementation

[0022] Example

[0023] The following description, in conjunction with specific embodiments, further illustrates the point, as shown in the appendix. Figure 1 - Appendix Figure 6As shown, the cement resistance grouting machine of this embodiment includes a grout storage tank 10 and a grout discharge device connected to the lower end of the grout storage tank 10. The grout discharge device includes a housing 20 located below the grout storage tank 10, multiple grout guiding devices 21 located within the housing 20, a drive shaft 22 horizontally located within the housing 20, multiple extrusion devices 23 located on the drive shaft 22, and a first drive device 24 for driving the drive shaft 22 to rotate. The multiple grout guiding devices 21 are distributed along the axial direction of the drive shaft 22. Each grout guiding device 21 includes a conduit 211 connected to the grout storage tank 10, an extrusion tube 212 connected to the conduit 211 and having a C-shaped structure, and a vertically arranged drain pipe 213 connected to the extrusion tube 212. The extrusion tube 212 is attached to the inner wall of the housing 20, and one extrusion device 23 is used to extrude one extrusion tube 212. Specifically, during use, cement grout is added to the grout storage tank 10 (which can be continuously stirred with a stirring device), and the grout in the grout storage tank 10 is quantitatively discharged through the grout discharge device to complete the grouting operation. During this process, the slurry in the storage tank 10 enters the extrusion pipe 212 through the conduit 211. The extrusion device 23 periodically extrudes the extrusion pipe 212, thereby squeezing the slurry in the extrusion pipe 212 into the discharge pipe 213, and finally discharges it through the discharge pipe 213. In this way, multiple sets of grouting operations can be performed simultaneously by setting an appropriate number of slurry guiding devices 21, and the amount of grout can be more precisely controlled, which can effectively improve the grouting operation of small-volume slurry.

[0024] In this embodiment, the part of the housing 20 that contacts the extrusion tube 212 is arc-shaped. Specifically, this allows the extrusion device 23 to better extrude the extrusion tube 212 and to more accurately extrude the slurry from the extrusion tube 212.

[0025] The extrusion device 23 in this embodiment includes multiple connecting rods 231 fixedly connected to the drive shaft 22, and extrusion rollers 232 rotatably connected to the ends of the connecting rods 231 away from the drive shaft 22. The drive shaft 22 coincides with the center of the extrusion tube 212, and the extrusion rollers 232 abut against the outer wall of the extrusion tube 212. Specifically, a peristaltic pump-like structure can be formed through the extrusion tube 212, drive shaft 22, connecting rods 231, extrusion rollers 232, and inner wall of the housing 20. This structure can accurately realize the pumping operation of slurry. Each extrusion tube 212 is an independently driven pump structure, but multiple peristaltic pump structures use the same power source (drive shaft 22). Therefore, the slurry flow rate discharged by each extrusion tube 212 when pumping slurry is highly consistent, and the error between them is very small.

[0026] In this embodiment, the conduit 211 and the drain pipe 213 are coaxially arranged, and both the conduit 211 and the drain pipe 213 are fixedly connected to the housing 20; one end of the squeezing pipe 212 is connected to the lower side wall of the conduit 211, and the other end of the squeezing pipe 212 is connected to the upper side wall of the drain pipe 213. The slurry guiding device 21 also includes a wall scraping assembly 25; the wall scraping assembly 25 includes a U-shaped first scraper 251 disposed in the guide tube 211, an inverted U-shaped second scraper 252 disposed in the drain pipe 213, a connecting shaft 253 for connecting the first scraper 251 and the second scraper 252, and a second driving device 26 for driving the connecting shaft 253 to rotate; the upper end of the connecting shaft 253 passes through the lower end of the guide tube 211 and is rotatably and sealingly connected to the guide tube 211, and the lower end of the connecting shaft 253 passes through the upper end of the drain pipe 213 and is rotatably and sealingly connected to the drain pipe 213; the first scraper 251 is attached to the inner wall of the guide tube 211, and the second scraper 252 is attached to the inner wall of the drain pipe 213. Specifically, since the slurry is composed of cement, it contains a certain amount of solids. During the flow process, these solids can easily adhere to the walls of the conduit 211 and the drain pipe 213, causing blockages (the extrusion pipe 212 is not easily blocked because it is constantly under extrusion). Therefore, by setting a first scraper 251 in the conduit 211 and a second scraper 252 in the drain pipe 213, and by driving the first scraper 251 and the second scraper 252 to rotate continuously through the second drive device 26, the inner walls of the conduit 211 and the drain pipe 213 can be scraped, effectively preventing blockages in the conduit 211 and the drain pipe 213. Furthermore, since the first scraper 251 and the second scraper 252 only need to scrape the inner walls of the conduit 211 and the drain pipe 213, the cross-sectional area of ​​the first scraper 251 and the second scraper 252 is very small compared to the conduit 211 and the drain pipe 213. Therefore, the first scraper 251 and the second scraper 252 have almost no impact on the flow rate of the conduit 211 and the drain pipe 213.

[0027] In this embodiment, the first driving device 24 includes a motor 241 fixedly connected to the outer wall of the housing 20; the output shaft of the motor 241 is coaxially connected to the drive shaft 22; both ends of the drive shaft 22 are rotatably connected to the side wall of the housing 20. The motor 241 is a servo motor 241. Specifically, the motor 241, which can be controlled with high precision, can drive the drive shaft 22 to rotate according to a specified number of revolutions, thereby quantitatively pumping out the slurry.

[0028] The second driving device 26 in this embodiment includes a worm gear 261 fixedly mounted on a connecting shaft 253, a worm 262 meshing with the worm gear 261, a driving rod 263 coaxially connected to multiple worms 262, a driven wheel 265 mounted on the driving rod 263, a driving wheel 264 mounted on the driving shaft 22, and a transmission belt 266 for connecting the driving wheel 264 and the driven wheel 265; the axis of the connecting shaft 253 coincides with the axis of the worm gear 261; both ends of the driving rod 263 are rotatably connected to the side wall of the housing 20, and the axial direction of the driving rod 263 is parallel to the axial direction of the driving shaft 22. Specifically, while the motor 241 drives the drive shaft 22 to rotate, it can also drive the drive rod 263 to rotate via the drive wheel 264, transmission belt 266, and driven wheel 265 (using sprockets, chains, gears, etc.). The drive rod 263 simultaneously drives multiple worm gears 262 located on it to rotate, and the worm gears 262 in turn drive the worm wheel 261 and connecting shaft 253 to rotate. The connecting shaft 253 can then simultaneously drive the first scraper 251 and the second scraper 252 to rotate. Since the first scraper 251 and the second scraper 252 do not have requirements for speed and rotational accuracy, the combination of the worm gears 262 and the worm wheel 261 can effectively ensure the continuous operation of the first scraper 251 and the second scraper 252.

[0029] In summary, the cement resistance grouting machine of this embodiment, during use, involves adding cement grout into the storage tank 10 (which can be continuously stirred with a mixing device). The grout in the storage tank 10 is then quantitatively discharged through the grout discharge device, completing the grouting operation. During this process, the grout in the storage tank 10 enters the extrusion pipe 212 through the conduit 211. The extrusion device 23 periodically extrudes the extrusion pipe 212, thereby squeezing the grout in the extrusion pipe 212 into the discharge pipe 213, and finally discharging it through the discharge pipe 213. This allows for the simultaneous execution of multiple grouting operations by setting an appropriate number of grout guiding devices 21, and the grout volume can be more precisely controlled, effectively improving the grouting operation of small-volume grout.

[0030] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cement resistance grouting machine, characterized in that: It includes a slurry storage tank (10) and a slurry discharge device connected to the lower end of the slurry storage tank (10); The slurry discharge device includes a housing (20) located below the slurry storage tank (10), a plurality of slurry guiding devices (21) located within the housing (20), a drive shaft (22) horizontally located within the housing (20), a plurality of extrusion devices (23) located on the drive shaft (22), and a first drive device (24) for driving the drive shaft (22) to rotate. Multiple slurry guiding devices (21) are distributed along the axial direction of the drive shaft (22). Each slurry guiding device (21) includes a conduit (211) connected to the slurry storage tank (10), a squeeze tube (212) connected to the conduit (211) and having a C-shaped structure, and a drain pipe (213) connected to the squeeze tube (212) and arranged vertically. The squeeze tube (212) is attached to the inner wall of the housing (20), and one squeeze device (23) is used to squeeze one squeeze tube (212).

2. The cement resistance grouting machine according to claim 1, characterized in that: The part of the housing (20) that contacts the extrusion tube (212) is arc-shaped.

3. The cement resistance grouting machine according to claim 1, characterized in that: The extrusion device (23) includes a plurality of connecting rods (231) fixedly connected to the drive shaft (22), and an extrusion wheel (232) rotatably connected to one end of the connecting rod (231) away from the drive shaft (22); The drive shaft (22) coincides with the center of the extrusion tube (212), and the extrusion wheel (232) abuts against the outer wall of the extrusion tube (212).

4. The cement resistance grouting machine according to claim 1, characterized in that: The conduit (211) and the drain pipe (213) are coaxially arranged, and both the conduit (211) and the drain pipe (213) are fixedly connected to the housing (20); One end of the squeezing tube (212) is connected to the lower side wall of the conduit (211), and the other end of the squeezing tube (212) is connected to the upper side wall of the drain tube (213).

5. The cement resistance grouting machine according to claim 4, characterized in that: The slurry guiding device (21) also includes a wall scraping assembly (25); The wall scraping assembly (25) includes a U-shaped first scraper (251) disposed in the conduit (211), an inverted U-shaped second scraper (252) disposed in the drain pipe (213), a connecting shaft (253) for connecting the first scraper (251) and the second scraper (252), and a second driving device (26) for driving the connecting shaft (253) to rotate; The upper end of the connecting shaft (253) passes through the lower end of the conduit (211) and is rotatably and sealed to the conduit (211); the lower end of the connecting shaft (253) passes through the upper end of the drain pipe (213) and is rotatably and sealed to the drain pipe (213). The first scraper (251) is attached to the inner wall of the conduit (211), and the second scraper (252) is attached to the inner wall of the drain pipe (213).

6. The cement resistance grouting machine according to claim 5, characterized in that: The first driving device (24) includes a motor (241) fixedly connected to the outer wall of the housing (20); the output shaft of the motor (241) is coaxially connected to the drive shaft (22); both ends of the drive shaft (22) are rotatably connected to the side wall of the housing (20).

7. The cement resistance grouting machine according to claim 6, characterized in that: The motor (241) is a servo motor (241).

8. The cement resistance grouting machine according to claim 6, characterized in that: The second drive device (26) includes a worm wheel (261) fixedly mounted on the connecting shaft (253), a worm (262) meshing with the worm wheel (261), a drive rod (263) coaxially connected to a plurality of worms (262), a driven wheel (265) mounted on the drive rod (263), a drive wheel (264) mounted on the drive shaft (22), and a transmission belt (266) for connecting the drive wheel (264) and the driven wheel (265); The axis of the connecting shaft (253) coincides with the axis of the worm gear (261); both ends of the drive rod (263) are rotatably connected to the side wall of the housing (20), and the axial direction of the drive rod (263) is parallel to the axial direction of the drive shaft (22).

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