CN113715169A

CN113715169A - Mortar stirring method

Info

Publication number: CN113715169A
Application number: CN202110956251.7A
Authority: CN
Inventors: 汪红波; 周阳阳; 肖建勇; 张在金; 郑云; 陈锦; 王振文
Original assignee: Shenzhen Zhuobao Technology Co Ltd
Current assignee: Shenzhen Zhuobao Technology Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-11-30

Abstract

The invention discloses a method for stirring mortar, belonging to the technical field of mixers, wherein the mortar is stirred by a mortar mixer, the mortar mixer comprises a movable frame, a vertical mixer and a lifting device, wherein the movable frame comprises a bracket and a vertical frame, the vertical mixer is connected with the bracket in a sliding way, the lifting device is arranged on the vertical frame, the lifting device pushes the vertical mixer to move, the movable frame comprises a plurality of fixed casters and a plurality of universal casters with brakes, can conveniently and quickly move in a construction site to stop translation, the lifting device is driven by a hydraulic cylinder, the structure is simple, the lifting force is large, the lifting distance is long, the lifting device is also provided with a lever type hydraulic driving device consisting of a manual hydraulic pump, a pressure lever and a shifting lever to provide lifting power for the lifting device, and the lifting device is simple and labor-saving in manual operation.

Description

Mortar stirring method

Technical Field

The invention relates to the technical field of mixers, in particular to a mortar mixing method.

Background

The mortar stirrer is common equipment in waterproof engineering, has different models and structures according to the occasion and the engineering quantity, and the mortar stirrer is generally used for stirring and mixing coatings with different components, or stirring and mixing the coatings and water according to a certain proportion to a sticky state, the coatings after stirring are required to be used immediately, the coatings are not required to be kept stand for a long time, the common stirrer is generally of a fixed frame installation structure, is inconvenient to move, cannot enter a building or be constructed underground, and is inconvenient to use manually.

The prior patent with publication number CN202439112U discloses a mining lifting type pneumatic concrete mixer technology, which mainly comprises a movable frame, a pneumatic motor, a belt pulley, a triangular belt, a speed reducer, a hydraulic jack, a gear, a chain, a mixing drum, mixing teeth, bearing seats at two ends, a discharging hand wheel and a lifting bottom support. One side of the machine frame is provided with a hydraulic jack, a symmetrical gear and a chain; this machine lift collet links to each other with the chain, is located frame upper portion, installs pneumatic motor, speed reducer, belt pulley and V belt respectively from bottom to top in lift collet left side, and the churn is installed on lift collet right side, and the churn passes through both ends bearing frame and links to each other with the lift collet, and the hand wheel of unloading is installed on the churn right side. The mining lifting type pneumatic concrete mixer adopts the pneumatic motor for transmission, meets the mine explosion-proof requirement, is adjustable in lifting of the discharging height, and is convenient for feeding the concrete conveying pump. However, the stirrer is different from the stirrer of the invention in that: (1) the stirring machine is used for stirring concrete, the concrete is provided with a large amount of fine sand and small stones, the stirring machine needs large force and generates large vibration, and the stirring machine cannot move during stirring; (2) the mixer is a horizontal mixer, the horizontal mixer is large in size, the discharge port is arranged at the top, the opening is large, all concrete can be poured out at one time, and the mixer is suitable for projects needing a large amount of concrete; the stirrer adopts an air pump as lifting power for explosion prevention, the air pump is slow to start and stop, and the precision of the lifting stop position is not high; (4) the stirring machine is only pushed by manpower when moving, has heavier mass, is inconvenient to push by a single person, has no fixing device when stopping, can be used as a traction rod on the stirring machine, can be pulled by a small tractor and also can be pushed by manpower, and is more stable when stopping because the universal caster is provided with a brake.

Disclosure of Invention

The invention aims to provide a mortar stirring method which is suitable for moving turnover of construction sites and lifting unloading in different construction occasions and is simple and labor-saving in manual operation.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a method of mixing mortar, said method being performed by a mobile elevating discharge mixer, said mobile elevating discharge mixer comprising: the vertical stirrer comprises a movable rack, a vertical stirrer and a lifting device, wherein the movable rack comprises a bracket and a vertical frame, the vertical stirrer is connected with the vertical frame in a sliding manner, the lifting device is arranged on the vertical frame, the lifting device pushes the vertical stirrer to move, and the lifting device comprises a hydraulic cylinder;

the stirring method comprises the following steps:

s1, releasing the pressure in the hydraulic cylinder, and enabling the ejection end of the hydraulic cylinder to descend to drive the vertical mixer to slowly descend to the lowest point along the direction of the vertical frame to seal the vertical mixer;

s2, starting the vertical mixer, wherein the rotating speed of the vertical mixer is lower than 15r/min, adding a mixed material into the vertical mixer, increasing the rotating speed of the vertical mixer to 60r/min after the mixed material is added until the mixed material is stirred to be in a sticky state to meet the scraping and coating requirement, and then reducing the rotating speed of the vertical mixer to 10 r/min;

s3, pushing the movable frame to a position to be constructed and fixing, starting the lifting device, driving the vertical mixer to ascend by the ejection end of the hydraulic cylinder, stopping lifting after the vertical mixer ascends to a height to be constructed, and opening the vertical mixer to discharge materials;

s4, keeping the rotation speed of the vertical stirrer to be 10r/min, and pushing the mixed materials out of the vertical stirrer;

and S5, stopping stirring of the vertical stirrer after the unloading at one construction position is finished, sealing the vertical stirrer, pushing the movable rack to the next position to be constructed, adjusting the height of the vertical stirrer by using the lifting device, restarting the vertical stirrer, discharging the mixed material again at the stirring speed of 10r/min, and repeating the steps to finish movable lifting and unloading of the material.

The grudging post includes a plurality of guide bars and horizontal pole, a plurality of guide bars set up in the frame that the grudging post constitutes, the both ends of horizontal pole respectively with a plurality of guide bars link to each other, be provided with a plurality of through-hole on the horizontal pole, frame construction makes conveniently, simple structure, and the quality is little.

The bracket includes a plurality of truckle and a plurality of universal caster, a plurality of truckle sets up the bottom front end of bracket, a plurality of universal caster sets up the base rear end of bracket, be provided with brake equipment on the plurality of universal caster, fixed caster with universal caster uses in combination, the bracket bearing capacity is strong, removes and stops swiftly convenient.

Vertical mixer includes agitator motor, churn, discharge opening, feed inlet, (mixing) shaft and crane, agitator motor sets up directly over the churn, the discharge opening sets up the side of churn, the feed inlet sets up the top of churn, the one end of (mixing) shaft with agitator motor's output links to each other, and the other end is close to the bottom surface of churn, the churn sets up on the crane.

The vertical mixer further comprises a plurality of guide wheels, the guide wheels are arranged on the upper portion of the side face of the lifting frame, the guide rods are located between the guide wheels and the lifting frame, and the guide wheels roll on the guide rods respectively.

The discharge opening comprises a discharge nozzle and a discharge door, the discharge nozzle is arranged to be in a groove shape with the section of the barrel body of the mixing barrel gradually reduced towards the outside, the discharge door is in sliding connection with the mixing barrel, and flow control is convenient during discharging.

The hydraulic cylinder penetrates through the cross rod along the length direction of the vertical frame and is fixedly connected with the cross rod, and the hydraulic cylinder is positioned in the frame, so that the output is stable and reliable.

The lifting device further comprises a pressing rod, a shifting rod and a manual hydraulic pump, the manual hydraulic pump is arranged on the vertical frame and is close to the hydraulic cylinder, one end of the pressing rod is rotatably connected with the hydraulic cylinder, the lower portion, close to one end, of the pressing rod is rotatably connected with the manual hydraulic pump, the pressing rod, the manual hydraulic pump and the movable frame form a lever structure, and the lever structure is labor-saving and reliable in lifting.

The frame parcel of crane the base of churn, the bottom surface of churn with the middle part frame of crane is pasted tightly, the churn is in connect reliable and stable on the crane, difficult vibrations.

The stirring motor is provided with a speed reducer, the rotating speed of the stirring motor is controlled by a PLC, the rotating speed is adjusted simply, and stirring is powerful.

The invention has the beneficial effects that:

(1) the stirring machine in the stirring method is provided with a movable rack consisting of a plurality of fixed casters and a plurality of universal casters with brakes, and can be pushed in a construction site by a single person, so that the stirring machine is convenient and quick to move and stops stably.

(2) The stirring machine in the stirring method is provided with the lifting device driven by the hydraulic cylinder, and the lifting device is simple in structure, large in lifting force and simple to operate.

(3) The stirring machine in the stirring method is provided with a lever type hydraulic driving device consisting of a manual hydraulic pump, a pressure lever and a shifting lever, the lifting operation is labor-saving, and the vertical stirring machine is accurate in stopping position, safe and reliable.

Drawings

FIG. 1 is a front view of a mobile lift dump mixer provided by the present invention;

FIG. 2 is a right side view of a mobile lift dump mixer provided by the present invention;

FIG. 3 is a front view of a vertical mixer according to the present invention;

FIG. 4 is a side view of a vertical mixer according to the present invention;

FIG. 5 is an isometric view of a combination of a displacement device and a lifting device provided in accordance with the present invention;

FIG. 6 is a front view of a combination of a moving device and a lifting device provided in the present invention;

fig. 7 is a side view of the combination of the moving device and the lifting device provided by the present invention.

Reference numerals:

1. a movable frame; 11. a bracket; 111. fixing a caster; 112. a universal caster; 12. erecting a frame; 121. a guide bar; 122. A cross bar; 123. a through hole; 2. a vertical mixer; 21. a stirring motor; 22. a mixing drum; 23. a discharge opening; 231. a discharging nozzle; 232. a discharge door; 24. a guide wheel; 25. a feed inlet; 26. a stirring shaft; 27. a lifting frame; 3. a lifting device; 31. a hydraulic cylinder; 32. a sprocket; 33. a chain; 34. a pressure lever; 35. a deflector rod; 36. a manual hydraulic pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, a mobile lift blender for unloading material, comprising: the movable vertical stirrer comprises a movable rack 1, a vertical stirrer 2 and a lifting device 3, wherein the movable rack 1 comprises a bracket 11 and a vertical frame 12, the bracket 11 and the vertical frame 12 are formed by welding square tube steel, the bracket 11 and the vertical frame 12 are welded into an 'L' -shaped frame, the vertical stirrer 2 is welded on the bracket 11, the lifting device 3 is fixed on the vertical frame 12 through bolts, and the lifting device 3 is driven by the vertical stirrer 2 through chains.

Referring to fig. 5-7, further, two guide rods 121 are symmetrically welded in the middle of the vertical frame 12, a cross rod 122 is welded in the middle of the two guide rods 121, an annular square tube is welded in the middle of the cross rod 122, two through holes 123 are symmetrically drilled in the cross rod 122, an iron plate with the thickness of 10mm is welded in the middle of the bottom of the vertical frame 12, and two 'U' -shaped handrails are welded on the side surfaces of the vertical frame 12 and used for assisting in pushing the stirring machine.

Preferably, bracket 11 is the 'tian' font frame construction that is formed by the welding of square tube steel, the bottom welding of bracket 11 has two truckles 111 and two casters 112, two truckles 111 weld are in the front end of bracket 11, if two casters 112 weld the rear end of bracket 11, but all be provided with the brake equipment that the foot stepped on two casters 112, guarantee during the mixer stirring stable.

Referring to fig. 3 and 4, the vertical mixer 2 includes a mixing motor 21, a mixing drum 22, a discharge port 23, two guide wheels 24, a feed port 25, a mixing shaft 26 and a lifting frame 27, the mixing motor 21 is fixed directly above the mixing drum 22 by bolts, the discharge port 23 is arranged on the side surface of the mixing drum 22, the feed port 25 is arranged on the top of the mixing drum 22, one end of the mixing shaft 26 is connected with the output end of the mixing motor 21, the other end is close to the bottom surface of the mixing drum 22, the mixing drum 22 is arranged on the lifting frame 27, and the two guide wheels 24 are arranged on the upper part of the side surface of the lifting frame 27.

Preferably, the frame of the lifting frame wraps the bottom edge of the mixing drum, the frame of the lifting frame and the side edge of the mixing drum are reinforced in a spot welding mode at equal intervals, the bottom surface of the mixing drum is attached to the middle frame of the lifting frame, and the middle lever frame of the lifting frame evenly divides the bottom surface of the mixing drum into a plurality of areas with equal size.

Preferably, the mixing drum 22 is a cylinder made of 2mm high-strength steel plate, the discharge opening 23 is composed of a discharge nozzle 231 and a discharge door 232, the discharge nozzle 231 is in a groove shape with a C-shaped cross section, the cross section of the discharge nozzle is gradually reduced along the cylinder body, the discharge door 232 is slidably connected with the mixing drum 22, the discharge door 232 slides along the axial direction of the mixing drum 22 from bottom to the bottom of the discharge nozzle 22 to seal the lower part of the mixing drum 22, and the trapezoidal opening at the upper part of the mixing drum 22 is the feed opening 25.

Referring to fig. 1-2, further, the lifting device 3 further includes a hydraulic cylinder 31, two chain wheels 32 and two chains 33, the two chain wheels 32 are symmetrically installed on two sides of the top of the extension bar of the hydraulic cylinder 31, the middle portions of the two chains 33 are respectively engaged with the two chain wheels 32, one end of each of the two chains 33 is fixed in the two through holes 123, the other end of each of the two chains 33 is fixedly connected with the lifting frame 27, the hydraulic cylinder 31, the two chain wheels 32 and the two chains 33 form a movable pulley block for lifting the vertical mixer 2, the moving distance of the vertical mixer 2 is equal to twice of the extension length of the extension bar of the hydraulic cylinder 31, and the hydraulic cylinder 31 is disposed in the vertical frame 12, passes through the cross bar 122 along the length direction of the vertical frame 12, and is fixedly connected with the cross bar 122.

Further, the two guide rods 21 are arranged between the two guide wheels 24 and the lifting frame 27, the two guide wheels 24 respectively roll on the two guide rods 121 to balance the eccentric moment brought by the mixing drum 22, and the guide wheels are made of POM, nylon or PEEK materials, have smooth and wear-resistant surfaces, high bearing capacity and low noise and vibration during rolling.

Further, the lifting device 3 further includes a pressure lever 34, a shift lever 35 and a manual hydraulic pump 36, the manual hydraulic pump 36 is connected to the vertical frame 12 by bolts and is close to the hydraulic cylinder 31, one end of the pressure lever 34 is rotatably connected to the lower portion of the hydraulic cylinder 31 by a pin, the lower portion of one end of the pressure lever 34 is rotatably connected to the top end of a movable rod of the manual hydraulic pump 36 by a pin, the pressure lever 34 and the manual hydraulic pump 36 form a lever structure for manually increasing the ejection pressure of the hydraulic cylinder 31 and raising the height of the mixing drum 22, the shift lever 35 is arranged at the other end of the pressure lever 34 in parallel with a grip at the top end of the pressure lever 34 for manually releasing the pressure of the hydraulic cylinder 31 and lowering the height of the lifting device 3, and the lowering speed of the mixing drum 22 can be adjusted according to the degree of pressing the shift lever 35, the top end of the pressure lever 34 is provided with a handle perpendicular to the pressure lever 34, and the handle can be used for traction movement.

Preferably, the lifting height of the lifting device 3 is not lower than 0.9m, the stirring drum 22 is lifted by the lifting device 3 in a movable pulley block mode, and the extending distance of the hydraulic cylinder 31 is only half of the lifting height, so that the quality of the stirring machine is reduced, and the stirring machine is easier to move.

Preferably, the total mass of the stirrer does not exceed 200kg when the stirrer is in idle load, the total mass of the stirrer does not exceed 390kg when the stirrer is in full load, the stirring motor 21 is vertically arranged right above the stirring barrel 22, and the vibration of the stirring shaft 26 to the frame is small when the stirring shaft rotates and stirs.

Preferably, the output end of the stirring motor is directly connected with the speed reducer, the rotation speed of the stirring motor is controlled by the PLC, and the output torque can be ensured to be constant under the condition of rotation speed change.

The process of the mortar stirring method is as follows:

s1, pressing the shift lever 35 to release the pressure in the hydraulic cylinder 31, descending the ejection end of the hydraulic cylinder 31, rotating the chain wheels 32 and simultaneously driving the chains 33 to descend the mixing drum 22 to the lowest position, contacting the lifting frame 27 with the bracket 11, and sliding the discharge door 232 downwards to close the discharge opening 23 on the mixing drum 22;

s2, starting the stirring motor 21 by electrifying, pouring the mixed materials into the stirring cylinder 22 from the feeding hole 25 while rotating the stirring shaft 26 at a speed lower than 15r/min, increasing the rotation speed of the stirring motor 21 after the mixed materials are added, so that the rotation speed of the stirring shaft 26 is higher than 60r/min until the mixed materials are stirred to a viscous state to meet the scraping and coating requirement, and decreasing the rotation speed of the stirring motor 21 so that the rotation speed of the stirring shaft 26 is lower than 10 r/min;

s3, pushing the movable rack 1 to a position to be constructed, repeatedly pressing the pressure lever 34 to drive the manual hydraulic pump 36, conveying pressure to the hydraulic cylinder 31 by the manual hydraulic pump 36, pushing the extending end of the hydraulic cylinder 31 to move upwards, rotating the plurality of chain wheels 32, dragging the plurality of chains 33 to move upwards, and driving the vertical mixer 2 to move upwards to the height to be constructed and blade-coated;

s4, keeping the rotation speed of the stirring shaft 26 to be lower than 10r/min, opening the discharge door 232, and enabling the mixed material to slowly flow out of the discharge nozzle 231 through the discharge door 232 under the pushing action of the stirring shaft 26;

s5, when the unloading is sufficient at one construction position, stopping the rotation of the stirring shaft 26 and sliding to close the unloading door 232, pushing the movable rack 1 to the next position to be constructed, if the construction position is higher than the height of the discharging nozzle 231, pressing the pressure lever 34 to adjust the height of the extending end of the hydraulic cylinder 31, if the construction position is lower than the height of the discharging nozzle 231, stirring the stirring rod 35 to release the pressure in the hydraulic cylinder 31, reducing the height of the discharging nozzle 231, starting the stirring motor 21 to rotate at a low speed, enabling the rotation speed of the stirring shaft 26 to be lower than 10r/min, sliding upwards to open the unloading door 232, unloading the mixed material again, and repeating the above processes to realize the movable lifting unloading of the material.

Example 2

As shown in fig. 5, the bracket 11 and the vertical frame 12 can be combined into a frame structure with a forward tilt angle of 60-80 degrees, the vertical mixer 2 is arranged in the middle of the vertical frame 12 and is connected with the vertical frame 12 in a sliding manner, the lifting device 3 is arranged along the direction of the vertical frame 12, and the materials mixed in the vertical mixer 2 can be delivered to a table top with a certain height under the driving of the lifting device 3, so that the vertical mixer is suitable for indoor building construction with an interlayer in the middle.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A method for stirring mortar, which is characterized in that: the stirring method is realized by a movable lifting discharging stirrer, and the movable lifting discharging stirrer comprises: the vertical stirrer comprises a movable rack (1), a vertical stirrer (2) and a lifting device (3), wherein the movable rack (1) comprises a bracket (11) and a stand (12), the vertical stirrer (2) is connected with the stand (12) in a sliding manner, the lifting device (3) is arranged on the stand (12), the lifting device (3) pushes the vertical stirrer (2) to move, and the lifting device (3) comprises a hydraulic cylinder (31);

the stirring method comprises the following steps:

s1, releasing the pressure in the hydraulic cylinder (31), descending the ejection end of the hydraulic cylinder (31), driving the vertical stirrer (2) to slowly descend to the lowest point along the direction of the vertical frame (12), and sealing the vertical stirrer (2);

s2, starting the vertical stirrer (2), wherein the rotating speed of the vertical stirrer (2) is lower than 15r/min, adding the mixed materials into the vertical stirrer (2), after the mixed materials are added, increasing the rotating speed of the vertical stirrer (2) to 60r/min, continuously stirring until the mixed materials are stirred to be in a viscous state to meet the scraping and coating requirement, and then reducing the rotating speed of the vertical stirrer (2) to 10 r/min;

s3, pushing the movable frame (1) to a position to be constructed and fixing, starting the lifting device (3), driving the vertical stirrer (2) to ascend by the ejection end of the hydraulic cylinder (31), stopping lifting after the vertical stirrer (2) ascends to a height to be constructed, and discharging by the vertical stirrer (2);

s4, keeping the rotation speed of the vertical mixer (2) to be 10r/min, and pushing the mixed materials out of the vertical mixer (2);

s5, stopping stirring of the vertical stirrer (2) after unloading at one construction position is finished, sealing the vertical stirrer (2), pushing the movable rack (1) to the next position to be constructed, adjusting the height of the vertical stirrer (2) by using the lifting device (3), restarting the vertical stirrer (2), unloading the mixed material again at the stirring speed of 10r/min, and repeating the steps to finish movable lifting and unloading of the material.

2. The mortar mixing method according to claim 1, characterized in that:

the vertical frame (12) comprises a plurality of guide rods (121) and a cross rod (122), the guide rods (121) are arranged in a frame formed by the vertical frame (12), two ends of the cross rod (122) are respectively connected with the guide rods (121), and the cross rod (122) is provided with a plurality of through holes (123).

3. The mortar mixing method according to claim 1, characterized in that:

bracket (11) include a plurality of truckle (111) and a plurality of caster (112), a plurality of caster (111) set up the bottom front end of bracket (11), a plurality of caster (112) set up the base rear end of bracket (11), be provided with brake equipment on a plurality of caster (112).

4. The mortar mixing method according to claim 2, characterized in that:

vertical mixer (2) are including agitator motor (21), churn (22), discharge opening (23), feed inlet (25), (mixing) shaft (26) and crane (27), agitator motor (21) set up directly over churn (22), discharge opening (23) set up the side of churn (22), feed inlet (25) set up the top of churn (22), the one end of (mixing) shaft (26) with the output of agitator motor (21) links to each other, and the other end is close to the bottom surface of churn (22), churn (22) set up on crane (27).

5. The mortar mixing method according to claim 4, characterized in that:

the vertical mixer (2) further comprises a plurality of guide wheels (24), the guide wheels (24) are arranged on the upper portion of the side face of the lifting frame (27), the guide rods (121) are located between the guide wheels (24) and the lifting frame (27), and the guide wheels (24) roll on the guide rods (121) respectively.

6. The mortar mixing method according to claim 4, characterized in that:

the discharge opening (23) comprises a discharge nozzle (231) and a discharge door (232), the discharge nozzle (231) is arranged to be in a groove shape with the section gradually reduced from the barrel body of the mixing barrel (22) to the outer side, and the discharge door (232) is connected with the mixing barrel (22) in a sliding mode.

7. The mortar mixing method according to claim 2, characterized in that:

the hydraulic cylinder (31) penetrates through the cross rod (122) along the length direction of the stand (12) and is fixedly connected with the cross rod (122).

8. The mortar mixing method according to claim 1, characterized in that:

lifting device (3) still include depression bar (34), driving lever (35) and manual hydraulic pump (36), manual hydraulic pump (36) set up on grudging post (12) and next-door neighbour pneumatic cylinder (31), the one end of depression bar (34) with pneumatic cylinder (31) rotate to be connected, depression bar (34) be close to the lower part of one end with manual hydraulic pump (36) rotate to be connected, depression bar (34), manual hydraulic pump (36) with but movable frame (1) constitutes lever structure.

9. The mortar mixing method according to claim 5, characterized in that:

the frame of crane (27) wraps up the bottom edge of churn (22), the bottom surface of churn (22) with the middle part frame of crane (27) is close to.

10. The mortar mixing method according to claim 4, characterized in that:

the stirring motor (21) is provided with a speed reducer, and the stirring motor (21) is controlled by a PLC to rotate.