Building cement mortar conveying pump with anti-blocking function

By using components such as transmission pulleys, screen frames and high-pressure nozzles in the cement mortar conveying pump, screening and cleaning of large-sized foreign matters and agglomerations is achieved, solving the problem of easy blockage of the cement mortar conveying pump and improving the anti-blocking and cleaning effect of the equipment.

CN222632834UActive Publication Date: 2025-03-18BEIJING DONGFANG FUHAO NEW TYPE CONSTR MATERIALS CO LTD
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Patent Information

Application Number
CN202421180843.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-03-18
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

During construction, cement mortar conveying pumps are prone to blockage due to large-sized stones or agglomerations, which affects normal use.

Method used

A cement mortar conveying pump with anti-blocking function was designed, using components such as transmission pulleys, drive shafts, active pulleys, support rods, cams and shafts. Through the filtering and dynamic shaking of the screen frame, large-sized foreign objects and agglomerations are screened out to prevent blockage. In addition, through components such as water tank, water supply pipe, diversion discharge, high-pressure nozzle, etc., the feeding screw is cleaned to prevent the adhesion of cement mortar and cause the flux to decrease.

Benefits of technology

It effectively prevents clogging of cement mortar conveying pumps, improves the delivery efficiency and service life of the equipment, and avoids the reduction in flux caused by cement mortar adhesion through the cleaning function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The building cement mortar conveying pump with the anti-blocking function comprises a frame body, universal wheels are installed on one side of the bottom end of the frame body, wheels are installed on the other side of the bottom end of the frame body, and a driving box is installed on one side of the top end of the frame body. According to the cement mortar conveying pump, the transmission belt wheel, the driving shaft, the driving belt wheel, the supporting rod, the cam and the shaft rod are arranged, the anti-blocking effect is achieved, cement mortar is filtered through the meshes of the screen frame, and when the cement mortar conveying pump operates, the driving shaft can be driven to rotate, the driving belt wheel and the transmission belt wheel are driven to rotate, and the anti-blocking effect is achieved. The shaft rod is indirectly controlled to rotate, and the distribution of cams is matched, so that the screen frame is pushed upwards, the screen frame is controlled to shake in the hopper, the screening speed is increased, internal large-size foreign matters and agglomerates are screened out, and the phenomenon that the large-size foreign matters and agglomerates enter a conveying pipe to cause blockage is prevented; therefore, the anti-blocking effect of the cement mortar delivery pump is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement mortar delivery pumps, in particular to a cement mortar delivery pump for construction with an anti-blocking function. Background Art

[0002] Cement mortar is a mortar made of cement, fine aggregate (such as sand) and water in a certain proportion. The cement mortar delivery pump is a new type of low-pressure pneumatic conveying equipment specially used for conveying cement mortar. It is widely used in industrial construction and civil construction and other fields. In actual use, in the construction area, large-sized stones and materials may fall into the cement mortar by mistake, and long-term placement will cause agglomeration in the cement mortar. When large-sized stones, materials or agglomerates enter the interior of the cement mortar delivery pump, they will be stuck in the pipeline, causing blockage. The pipeline of the cement mortar delivery pump needs to be disassembled and the blockage removed, which affects the normal use of the cement mortar delivery pump. Therefore, a construction cement mortar delivery pump with anti-blocking function is provided. Utility Model Content

[0003] The utility model aims to provide a cement mortar delivery pump for construction with an anti-blocking function to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement mortar delivery pump for construction with an anti-blocking function, comprising a frame, a universal wheel is installed on one side of the bottom end of the frame, a wheel is installed on the other side of the bottom end of the frame, a drive box is installed on one side of the top end of the frame, and a control box and a water tank are installed on the top end of the drive box, a transmission gear box is installed inside the drive box, and a drive motor is installed on one side of the transmission gear box, a delivery pipe is installed on the top end of the frame located on one side of the drive box, and a hopper is installed on the top end of the delivery pipe, a feeding screw is installed inside the delivery pipe, a driving shaft is installed on one side of the delivery pipe, and both ends of the driving shaft are respectively fixedly connected with the transmission gear box and the feeding screw, a driving pulley is installed on the outside of the driving shaft, multiple groups of screen frames are installed inside the hopper, and a support rod is installed on the top end of the screen frame, a shaft rod is installed inside the hopper, and a transmission pulley is installed on one end of the shaft rod, and a cam is arranged on the outside of the shaft rod.

[0005] Preferably, the transmission pulley and the driving pulley are arranged on the same vertical line, and a synchronous belt is installed between the transmission pulley and the driving pulley.

[0006] Preferably, the cams are provided in multiple groups, and the cams are distributed on the shaft at equal intervals.

[0007] Preferably, a shielding tube is installed on one side of the inside of the conveying tube, and a retaining ring is installed on one side of the shielding tube, the outer diameter of the retaining ring is larger than the inner diameter of the conveying tube, a groove matching the retaining ring is provided on one side of the conveying tube, and a rubber tube is installed on the other side of the shielding tube.

[0008] Preferably, a diverter row is installed at the top of one side of the delivery pipe, and a plurality of groups of high-pressure nozzles are installed at the bottom of the diverter row. The high-pressure nozzles are embedded in the delivery pipe, and a through hole matching the high-pressure nozzles is provided inside the delivery pipe.

[0009] Preferably, a water pump is installed inside the water tank, and a water pipe is installed on one side of the water pump, and the end of the water pipe is fixedly connected to the diversion row.

[0010] Preferably, four groups of rectangular columns are installed on the outer side of the frame, and inner columns penetrate the bottom ends of the rectangular columns, and foot pads are installed at the bottom ends of the inner columns, and spurs are evenly distributed at the bottom ends of the foot pads.

[0011] Preferably, a threaded rod passes through the top of the rectangular column, and a control block is installed on the top of the threaded rod. A threaded collar is installed on the top of the inner column, and the threaded collar and the threaded rod are threadedly connected.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) By providing a transmission pulley, a drive shaft, an active pulley, a support rod, a cam and a shaft rod, an anti-blocking effect is achieved. The mesh of the screen frame filters the cement mortar, and when the cement mortar delivery pump is in operation, the drive shaft is driven to rotate, driving the active pulley and the transmission pulley to rotate, indirectly controlling the rotation of the shaft rod, and cooperating with the distribution of the cam, the screen frame is pushed upward, and the screen frame is controlled to vibrate inside the hopper, thereby accelerating the screening speed, screening out large-sized foreign matter and agglomerates inside, and preventing large-sized foreign matter and agglomerates from entering the conveying pipe and causing blockage, thereby improving the anti-blocking effect of the cement mortar delivery pump;

[0014] (2) The cleaning function is achieved by providing a water tank, a water pipe, a diverter row, a high-pressure nozzle, a baffle ring, a shielding pipe and a rubber pipe. When the shielding pipe is installed inside the conveying pipe, it can shield the high-pressure nozzle to prevent the cement mortar from contacting the nozzle of the high-pressure nozzle. The distribution of the high-pressure nozzle can quickly and evenly spray clean water into the inside of the conveying pipe to clean the outer wall of the feeding screw. The cement mortar attached to the feeding screw is washed away with clean water to avoid the cement mortar attached to the feeding screw. The flux is reduced, thereby improving;

[0015] (3) A stopping effect is achieved by providing a rectangular column, an inner column, a foot pad, a threaded rod, a threaded collar and a control block. The rotation of the control block can drive the rotation of the threaded rod. The cross-sections of the rectangular column and the inner column are both rectangular, which limits the rotation of the inner column. In conjunction with the setting of the threaded collar, the inner column can be controlled to move vertically inside the rectangular column and drive the foot pad to contact the ground, thereby increasing the contact area and friction with the ground, providing stable support for the frame, and preventing the cement mortar delivery pump from deflecting or sliding, thereby improving the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the partial structure of the shaft rod of the utility model from a side view;

[0020] Figure 4 This is a schematic diagram of a partial cross-sectional structure of a delivery pipe of the utility model;

[0021] Figure 5 It is a schematic diagram of a partial cross-sectional structure of a rectangular column in front view of the present invention.

[0022] Description of reference numerals in the figures:

[0023] 1. Frame; 2. Universal wheel; 3. Drive box; 4. Control box; 5. Water tank; 6. Drive pulley; 7. Hopper; 8. Water pipe; 9. Diverter row; 10. Delivery pipe; 11. Rectangular column; 12. Wheel; 13. Drive shaft; 14. Active pulley; 15. Transmission gear box; 16. Drive motor; 17. Water pump; 18. Screen frame; 19. Support rod; 20. Cam; 21. Shaft; 22. Feed screw; 23. High-pressure nozzle; 24. Snap ring; 25. Shielding tube; 26. Rubber tube; 27. Inner column; 28. Foot pad; 29. ​​Threaded rod; 30. Threaded collar; 31. Control block. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-5 The utility model provides an embodiment: a cement mortar delivery pump for construction with an anti-blocking function, including a frame 1, a universal wheel 2 is installed on one side of the bottom end of the frame 1, a wheel 12 is installed on the other side of the bottom end of the frame 1, a drive box 3 is installed on one side of the top end of the frame 1, and a control box 4 and a water tank 5 are installed on the top end of the drive box 3, a transmission gear box 15 is installed inside the drive box 3, and a drive motor 16 is installed on one side of the transmission gear box 15, a delivery pipe 10 is installed on the top end of the frame 1 located on one side of the drive box 3, and a hopper 7 is installed on the top end of the delivery pipe 10, a feeding screw 22 is installed inside the delivery pipe 10, and a side of the delivery pipe 10 is installed A driving shaft 13 is installed, and the two ends of the driving shaft 13 are fixedly connected with the transmission gear box 15 and the feeding screw 22 respectively. A driving pulley 14 is installed on the outside of the driving shaft 13. Multiple groups of screen frames 18 are installed inside the hopper 7, and a support rod 19 is installed on the top of the screen frame 18. A shaft rod 21 is installed inside the hopper 7, and a driving pulley 6 is installed at one end of the shaft rod 21. A cam 20 is arranged on the outside of the shaft rod 21. The driving pulley 6 and the driving pulley 14 are arranged on the same vertical line. A synchronous belt is installed between the driving pulley 6 and the driving pulley 14. Multiple groups of cams 20 are arranged, and the cams 20 are evenly spaced on the shaft rod 21.

[0027] Specifically, as shown in the figure, when in use, the driving shaft 13 drives the active pulley 14 and the transmission pulley 6 to rotate, and the shaft 21 is indirectly controlled to rotate, and the distribution of the cam 20 is coordinated to push the screen frame 18 upward, and the screen frame 18 is controlled to shake inside the hopper 7, thereby speeding up the screening speed and screening out large-sized foreign matter and agglomerates inside the cement mortar;

[0028] A shielding tube 25 is installed on one side of the inside of the delivery pipe 10, and a retaining ring 24 is installed on one side of the shielding tube 25. The outer diameter of the retaining ring 24 is larger than the inner diameter of the delivery pipe 10. A groove matching the retaining ring 24 is provided on one side of the delivery pipe 10. A rubber tube 26 is installed on the other side of the shielding tube 25. A diverter row 9 is installed on the top of one side of the delivery pipe 10, and a plurality of groups of high-pressure nozzles 23 are installed on the bottom of the diverter row 9. The high-pressure nozzles 23 are embedded in the inside of the delivery pipe 10, and the inside of the delivery pipe 10 is provided with a groove matching the high-pressure nozzles 23. The water tank 5 has a matching through hole, a water pump 17 is installed inside the water tank 5, and a water pipe 8 is installed on one side of the water pump 17. The end of the water pipe 8 is fixedly connected to the diverter row 9. When the shielding tube 25 is installed inside the delivery pipe 10, it can shield the high-pressure nozzle 23 to prevent the cement mortar from contacting the nozzle of the high-pressure nozzle 23. The setting of the retaining ring 24 prevents the shielding tube 25 from sliding into the inside of the delivery pipe 10, limits the position of the shielding tube 25, and facilitates the removal of the shielding tube 25 from the inside of the delivery pipe 10.

[0029] Specifically, as shown in the figure, when in use, the distribution of the high-pressure nozzle 23 can quickly and evenly spray clean water into the interior of the conveying pipe 10 to clean the outer wall of the feeding screw 22, and use clean water to clean the cement mortar attached to the feeding screw 22, so as to avoid the cement mortar attached to the feeding screw 22 and cause the flux to be reduced;

[0030] Four groups of rectangular columns 11 are installed on the outside of the frame 1, and the bottom ends of the rectangular columns 11 are penetrated by inner columns 27, and the bottom ends of the inner columns 27 are installed with foot pads 28, and the bottom ends of the foot pads 28 are evenly distributed with spurs, and the top ends of the rectangular columns 11 are penetrated by threaded rods 29, and the top ends of the threaded rods 29 are installed with control blocks 31, and the top ends of the inner columns 27 are installed with threaded collars 30, and the threaded collars 30 are threadedly connected with the threaded rods 29, and the cross-sections of the rectangular columns 11 and the inner columns 27 are both rectangular, which limits the rotation of the inner columns 27;

[0031] Specifically, as shown in the figure, when in use, by controlling the control block 31 to rotate, the threaded rod 29 can be driven to rotate. In conjunction with the setting of the threaded collar 30, the inner column 27 can be controlled to move vertically inside the rectangular column 11, and the foot pad 28 can be driven to contact the ground, thereby increasing the contact area and friction with the ground, and providing stable support for the frame 1.

[0032] Working principle: When in use, first, move the cement mortar delivery pump to the target area. When the cement mortar delivery pump needs to be stopped, use a tool to control the control block 31 to rotate, drive the rotation of the threaded rod 29, control the inner column 27 to move vertically inside the rectangular column 11, and drive the foot pad 28 to contact the ground, increase the contact area and friction with the ground, and stably support the frame 1. Then, connect the end of the delivery pipe 10 to the pipeline, and operate the control box 4 to control the cement mortar delivery pump to operate. When pouring cement mortar into the hopper 7, the cement mortar will pass through the screen frame 18 to screen out large-sized foreign matter and lumps inside. At this time, the drive shaft 13 will drive the active pulley 14 and the transmission pulley 6 to rotate, and indirectly control the rotation of the shaft rod 21, which, in conjunction with the distribution of the cam 20, will Push the screen frame 18 upwards and control the screen frame 18 to shake inside the hopper 7 to speed up the screening speed of the cement mortar. The screened cement mortar will enter the interior of the conveying pipe 10, and under the rapid rotation of the feeding screw 22, the cement mortar will be transported to the conveying pipe 10 and the external pipeline to transport the cement mortar. After use, when it is necessary to clean the feeding screw 22, the shielding tube 25 is taken out from the interior of the conveying pipe 10 through the retaining ring 24, and the water pump 17 is controlled to operate to transport the clean water inside the water tank 5 to the inside of the water pipe 8 and the diversion row 9. With the distribution of the high-pressure nozzle 23, the clean water can be quickly and evenly sprayed into the interior of the conveying pipe 10, the outer wall of the feeding screw 22 is cleaned, and the cement mortar attached to the feeding screw 22 is cleaned with clean water, and finally the use of the cement mortar conveying pump is completed.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cement mortar delivery pump for construction with anti-blocking function, comprising a frame (1), characterized in that: A universal wheel (2) is installed on one side of the bottom end of the frame (1), a wheel (12) is installed on the other side of the bottom end of the frame (1), a drive box (3) is installed on one side of the top end of the frame (1), a control box (4) and a water tank (5) are installed on the top end of the drive box (3), a transmission gear box (15) is installed inside the drive box (3), and a drive motor (16) is installed on one side of the transmission gear box (15), a conveying pipe (10) is installed on the top end of the frame (1) located on one side of the drive box (3), and a hopper (7) is installed on the top end of the conveying pipe (10), and the conveying pipe (10) is installed inside the conveying pipe (10). A feeding screw (22) is installed at the top of the hopper (7), a driving shaft (13) is installed at one side of the conveying pipe (10), and the two ends of the driving shaft (13) are respectively fixedly connected to the transmission gear box (15) and the feeding screw (22), a driving pulley (14) is installed on the outer side of the driving shaft (13), a plurality of screen frames (18) are installed inside the hopper (7), and a support rod (19) is installed at the top of the screen frame (18), a shaft rod (21) is installed inside the hopper (7), and a transmission pulley (6) is installed at one end of the shaft rod (21), and a cam (20) is arranged on the outer side of the shaft rod (21).

2. The delivery pump according to claim 1, characterized in that: The transmission pulley (6) and the driving pulley (14) are arranged on the same vertical line, and a synchronous belt is installed between the transmission pulley (6) and the driving pulley (14).

3. The delivery pump according to claim 1, characterized in that: The cams (20) are arranged in multiple groups, and the cams (20) are distributed at equal intervals on the shaft (21).

4. The delivery pump according to claim 1, characterized in that: A shielding tube (25) is installed on one side of the interior of the conveying tube (10), and a retaining ring (24) is installed on one side of the shielding tube (25); the outer diameter of the retaining ring (24) is greater than the inner diameter of the conveying tube (10); a groove matching the retaining ring (24) is provided on one side of the conveying tube (10); and a rubber tube (26) is installed on the other side of the shielding tube (25).

5. The delivery pump according to claim 1, characterized in that: A flow divider (9) is installed at the top end of one side of the delivery pipe (10), and a plurality of groups of high-pressure nozzles (23) are installed at the bottom end of the flow divider (9). The high-pressure nozzles (23) are embedded in the interior of the delivery pipe (10), and a through hole matching the high-pressure nozzles (23) is provided in the interior of the delivery pipe (10).

6. The delivery pump according to claim 1, characterized in that: A water pump (17) is installed inside the water tank (5), and a water delivery pipe (8) is installed on one side of the water pump (17), and the end of the water delivery pipe (8) is fixedly connected to the diversion row (9).

7. The delivery pump according to claim 1, characterized in that: Four groups of rectangular columns (11) are installed on the outer side of the frame (1), and the bottom ends of the rectangular columns (11) are penetrated by inner columns (27), and the bottom ends of the inner columns (27) are installed with foot pads (28), and the bottom ends of the foot pads (28) are evenly distributed with spurs.

8. The delivery pump according to claim 7, characterized in that: A threaded rod (29) passes through the top of the rectangular column (11), and a control block (31) is installed on the top of the threaded rod (29); a threaded collar (30) is installed on the top of the inner column (27), and the threaded collar (30) and the threaded rod (29) are threadedly connected.