Portable pneumatic stirring device for underground mortar

Through a portable downhole mortar air-driven agitator device, the rotating blade and rotating head are driven by a wind-driven motor, the problem of low downhole mixing efficiency is solved, efficient stirring and safe operation is achieved, and it is suitable for sub-mine operating environments.

CN223301935UActive Publication Date: 2025-09-05SHENHUA SHENDONG COAL GRP +1
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Patent Information

Application Number
CN202422081832.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-06-21
Filing Date
2024-08-26
Publication Date
2025-09-05
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

During underground masonry, the mixing efficiency of sand ash in the existing technology is low, the mixing effect is poor, physical energy is consumed, and space under the ore is occupied, affecting the operating efficiency.

Method used

A portable downhole mortar air-moving agitator device is designed, and a rotating blade and rotating head are driven by a wind-driven motor, combined with a support frame and a protective structure to achieve flexible swing and protection of the agitator structure and reduce mortar splashing.

Benefits of technology

It improves the underground mixing efficiency, reduces the space occupied by the mine, reduces the difficulty of operation, and improves the safety and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of underground mortar stirring equipment, and particularly relates to a portable underground pneumatic mortar stirring device which comprises a supporting frame, a supporting drill rod is fixed on the bottom side of the supporting frame, a movable structure is arranged on the supporting drill rod, and when underground masonry is carried out and mortar is stirred, a worker holds a holding handle, and the movable structure is arranged on the supporting drill rod. The pneumatic motor can swing up and down under the rotation cooperation of the rotating sleeve around the positioning shaft, and can swing left and right under the cooperation of the rotating rod, so that the flexible swing of the stirring structure is realized, the stirring of mortar can be realized under the rotation cooperation of the rotating blade and the rotating head, and the stirring device is small in size, convenient to operate and high in practicability. And the device does not occupy the space under the mine and can be well applied to the working environment under the mine.
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Description

Technical Field

[0001] The utility model belongs to the technical field of underground sand-ash mixing equipment, in particular to a portable underground mortar pneumatic mixing device. Background Art

[0002] When laying bricks underground, materials such as bricks, sand and mortar should be used according to the design requirements. The "three-in-one method" or slurry squeezing method should be used. When laying bricks, it is necessary to ensure that the vertical joints are staggered, the horizontal joints are horizontal and neatly arranged, the mortar is full, the mortar joints are uniform, the dry bricks are soaked, and the gaps between the wall and the lane are filled with mortar. Therefore, the sand and mortar must be mixed evenly, and the quality of the mixing directly affects the quality of the airtight masonry.

[0003] At present, the sand and ash used in underground closed construction are mixed by ground personnel through a loader and then transported underground. After being unloaded at the designated work site, they are manually mixed into place. During the underground mixing operation, due to the limited space in the mine, when the sand and ash enter the underground, they are generally repeatedly turned over and thrown by using a shovel. The operation efficiency is low, the mixing effect is poor, the operation time is long, and physical labor is consumed. Therefore, in order to solve the above problems, a portable underground mortar pneumatic mixing device is proposed. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, when sand and ash enter the mine, they are generally turned and thrown repeatedly with a shovel, which has low working efficiency, poor mixing effect, long working time and physical labor. The utility model proposes a portable underground mortar pneumatic mixing device, which can achieve the mixing of mortar with the rotation cooperation of the rotating blade and the rotating head. The mixing device is small in size, easy to operate, and does not take up space underground. It can be well applied to the working environment underground to improve work efficiency.

[0005] The technical solution adopted by the utility model to solve the technical problem is a portable underground mortar pneumatic stirring device, comprising a support frame, a support drill rod fixed to the bottom side of the support frame, a movable structure provided on the support drill rod, a pneumatic motor installed on the movable structure, and an output end of the pneumatic motor equipped with a stirring structure through a clamping member, which can realize flexible disassembly and installation of the stirring structure, so as to facilitate operation in the mine;

[0006] The stirring structure includes a stirring rod, a rotating head is fixed at one end of the stirring rod, and a rotating blade is spirally installed on the outer surface of the stirring rod, and the rotating blade is arranged at the end of the rotating head;

[0007] The other end of the stirring rod is mounted on the output shaft of the pneumatic motor;

[0008] A handle is installed on the pneumatic motor, two fixing sleeves are symmetrically installed on the handle, and a protective structure is installed between the two fixing sleeves.

[0009] Preferably, the movable structure includes a positioning shaft, the positioning shaft is fixed on the support frame, a rotating sleeve is sleeved on the outer side of the positioning shaft, a rotating rod is rotatably connected to the outer side of the rotating sleeve, and the top of the rotating rod is connected to the pneumatic motor.

[0010] Preferably, a supporting drill rod is vertically fixed at the middle position of the bottom side of the supporting frame. The supporting drill rod is used to support the entire stirring device, which can save the effort of personnel during the stirring process and improve the stability of the stirring.

[0011] Preferably, the protective structure includes a rolling frame, and belt rollers are installed on the upper and lower sides of the two rolling frames respectively through roller shafts. A rolling motor is installed on the side wall of one of the rolling frames, and the output shaft of the rolling motor is connected to the roller shaft through a coupling.

[0012] Preferably, a swing rod is fixed on the bottom side wall of the rolling frame, a scraper is arranged on the bottom side of the rolling film, a rotating pin rod passes through the interior of the scraper, a mounting hole is opened in the swing rod, and both ends of the rotating pin rod respectively pass through the mounting holes in the swing rod.

[0013] Preferably, an external thread is provided on the outer side surface of one end of the rotating pin rod, and a nut is rotatably assembled on one end of the rotating pin rod. A limiting gasket is fixed on the outer side wall of the rotating pin rod. The rotating pin rod and the limiting gasket are respectively located on both sides of the swing rod. With the cooperation of the limiting gasket and the nut, the position of the swing rod can be locked, thereby achieving the fixation of the scraper position.

[0014] Preferably, the side of the scraper is in contact with the outer surface of the rolling film, so that when the rolling film rotates, the scraper can clean the sand and dust on the surface of the rolling film to ensure a clear working field.

[0015] The utility model is beneficial in that:

[0016] The utility model is used for mixing mortar during underground masonry work. By holding the handle, a person can realize the up and down swing of the pneumatic motor under the cooperation of the rotation of the rotating sleeve around the positioning shaft. The pneumatic motor can be swung left and right under the cooperation of the rotating rod, thereby realizing the flexible swing of the stirring structure. The mortar can be stirred under the rotation cooperation of the rotating blade and the rotating head. The stirring device is small in size and easy to operate. It does not occupy space under the mine and can be well applied to the working environment under the mine. Moreover, by setting a protective structure, a rotatable rolling film can be set at the same time to block the splashing of mortar on the working surface and reduce the influence of the splashing of mortar on the mixing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0018] Figure 1 Schematic diagram of the first overall three-dimensional structure;

[0019] Figure 2 Schematic diagram of the second overall three-dimensional structure;

[0020] Figure 3 It is a schematic diagram of the overall top view;

[0021] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure along the middle line AA;

[0022] Figure 5 Schematic diagram of the protection structure;

[0023] Figure 6 Schematic diagram of the stirring structure;

[0024] In the figure: 1. Support frame, 2. Support drill rod, 3. Positioning shaft, 4. Rotating sleeve, 5. Rotating rod, 6. Pneumatic motor, 7. Stirring structure, 8. Handle, 9. Fixed sleeve, 10. Protective structure, 101. Rolling film, 102. Rolling motor, 103. Rolling frame, 104. Swing rod, 105. Rotating pin, 106. Nut, 107. Limiting gasket, 108. Scraper, 71. Stirring rod, 72. Rotating blade, 73. Rotating head. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-6 As shown, a portable underground mortar pneumatic mixing device includes a support frame 1, a support drill rod 2 is fixed to the bottom side of the support frame 1, a movable structure is provided on the support drill rod 2, and a pneumatic motor 6 is installed on the movable structure. The output end of the pneumatic motor 6 is assembled with a mixing structure 7 through a clamping member;

[0027] The stirring structure 7 includes a stirring rod 71, one end of which is fixed with a rotating head 73, and a rotating blade 72 is spirally mounted on the outer surface of the stirring rod 71, and the rotating blade 72 is arranged at the end of the rotating head 73;

[0028] The other end of the stirring rod 71 is mounted on the output shaft of the pneumatic motor 6. When in use, the pneumatic motor 6 is connected to the air duct under the mine. Driven by wind, the pneumatic motor 6 can be operated, which can realize the utilization of natural resources and save energy.

[0029] A handle 8 is installed on the pneumatic motor 6 , and two fixing sleeves 9 are symmetrically installed on the handle 8 , and a protective structure 10 is installed between the two fixing sleeves 9 .

[0030] The movable structure includes a positioning shaft 3, the positioning shaft 3 is fixed on the support frame 1, a rotating sleeve 4 is sleeved on the outer side of the positioning shaft 3, a rotating rod 5 is rotatably connected to the outer surface of the rotating sleeve 4, and the top of the rotating rod 5 is connected to the pneumatic motor 6.

[0031] A supporting drill rod 2 is vertically fixed to the middle position of the bottom side of the supporting frame 1. When working, the entire stirring device is supported by the supporting drill rod 2, which can save the labor of personnel during the stirring process and improve the stability of stirring. When masonry is carried out underground, when stirring the mortar, the personnel hold the handle 8, and the pneumatic motor 6 can be swung up and down with the rotation of the rotating sleeve 4 around the positioning shaft 3. With the cooperation of the rotating rod 5, the pneumatic motor 6 can be swung left and right, thereby realizing the flexible swing of the stirring structure 7. The mortar can be stirred with the rotation cooperation of the rotating blade 72 and the rotating head 73. The stirring device is small in size, easy to operate, and has a space-saving effect, and can be well applied to the working environment under the mine.

[0032] The protective structure 10 includes a rolling frame 103, and belt rollers are installed on the upper and lower sides of the two rolling frames 103 through roller shafts. A rolling motor 102 is installed on the side wall of one of the rolling frames 103, and the output shaft of the rolling motor 102 is connected to the roller shaft through a coupling.

[0033] A swing rod 104 is fixed on the bottom side wall of the rolling frame 103, and a scraper 108 is arranged on the bottom side of the rolling film 101. A rotating pin 105 passes through the interior of the scraper 108, and a mounting hole is opened in the swing rod 104. Both ends of the rotating pin 105 pass through the mounting holes in the swing rod 104 respectively.

[0034] An external thread is provided on the outer side surface of one end of the rotating pin 105, and a nut 106 is rotatably assembled on one end of the rotating pin 105. A limiting gasket 107 is fixedly mounted on the outer wall of the rotating pin 105. The rotating pin 105 and the limiting gasket 107 are respectively located on both sides of the swing rod 104. The side edge of the scraper 108 is in contact with the outer surface of the rolling film 101.

[0035] When the mortar is stirred, splashing may occur during the stirring process. The mortar may easily splash onto the face or eyes of the operator, affecting the safety of the operation. In order to reduce the impact of mortar splashing on the stirring process, a protective structure 10 is provided to protect the operator. The rolling film 101 is made of a transparent material and can provide the operator with a working field of vision. When splashing, the mortar splashes onto the outer surface of one side of the rolling film 101. The rolling film 101 plays an isolating role, blocking the splashing mortar, and can play a protective role for the operator.

[0036] After the rolling film 101 is splashed, the rolling motor 102 can be used to drive the rolling film 101 to rotate with the cooperation of the belt roller. During the rotation, the scraper 108 can be used to clean the mortar on the surface of the rolling film 101 to ensure the transparency of the rolling film 101, which can provide a better working field for the mixing operation.

[0037] In the description of this specification, the basic principles, main features and advantages of the utility model are shown and described above. For those skilled in the art, they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall fall within the scope of the utility model to be protected.

Claims

1. A portable underground mortar pneumatic mixing device, characterized by: include: A support frame (1), a support drill rod (2) is fixed to the bottom side of the support frame (1), a movable structure is provided on the support drill rod (2), a pneumatic motor (6) is installed on the movable structure, and an output end of the pneumatic motor (6) is equipped with a stirring structure (7) via a clamping member; A stirring structure (7), the stirring structure (7) comprises a stirring rod (71), a rotating head (73) is fixed to one end of the stirring rod (71), a rotating blade (72) is spirally mounted on the outer surface of the stirring rod (71), and the rotating blade (72) is arranged at the end of the rotating head (73); The other end of the stirring rod (71) is mounted on the output shaft of the pneumatic motor (6); A handle (8) is installed on the pneumatic motor (6), two fixing sleeves (9) are symmetrically installed on the handle (8), and a protective structure (10) is installed between the two fixing sleeves (9).

2. The portable underground mortar pneumatic stirring device according to claim 1, characterized in that: The movable structure comprises a positioning shaft (3), the positioning shaft (3) is fixed on the support frame (1), a rotating sleeve (4) is sleeved on the outer side of the positioning shaft (3), a rotating rod (5) is rotatably connected to the outer surface of the rotating sleeve (4), and the top end of the rotating rod (5) is connected to the pneumatic motor (6).

3. The portable underground mortar pneumatic stirring device according to claim 2, characterized in that: A supporting drill rod (2) is vertically fixed at the middle position of the bottom side of the supporting frame (1).

4. The portable underground mortar pneumatic stirring device according to claim 3, characterized in that: The protective structure (10) comprises a rolling frame (103), wherein belt rollers are respectively installed on the upper and lower sides of the two rolling frames (103) via roller shafts, and a rolling motor (102) is installed on the side wall of one of the rolling frames (103), and the output shaft of the rolling motor (102) is connected to the roller shaft via a coupling.

5. The portable underground mortar pneumatic stirring device according to claim 4, characterized in that: A swing rod (104) is fixed on the bottom side wall of the rolling frame (103), a scraper (108) is arranged on the bottom side of the rolling film (101), a rotating pin (105) is passed through the interior of the scraper (108), a mounting hole is opened in the swing rod (104), and both ends of the rotating pin (105) are respectively passed through the mounting holes in the swing rod (104).

6. The portable underground mortar pneumatic stirring device according to claim 5, characterized in that: An external thread is provided on the outer side surface of one end of the rotating pin rod (105), a nut (106) is rotatably assembled on one end of the rotating pin rod (105), a limiting gasket (107) is fixedly mounted on the outer side wall of the rotating pin rod (105), and the rotating pin rod (105) and the limiting gasket (107) are respectively located on both sides of the swing rod (104).

7. The portable underground mortar pneumatic stirring device according to claim 6, characterized in that: The side edge of the scraper (108) is in contact with the outer surface of the rolling film (101).