CN113524450B - High-performance concrete preparation device and construction method - Google Patents

Abstract

The invention relates to the technical field of concrete preparation, and in particular, discloses a high-performance concrete preparation device and a construction method, which comprise a mixing drum mounting bracket, a mixing drum is arranged on the mixing drum mounting bracket, and a mixing cavity is arranged in the mixing drum, The stirring chamber is provided with a feeding pipe and a discharging pipe that can move and rotate along the height direction of the stirring chamber; the feeding pipe and the discharging pipe are both provided with inclined surfaces, and the stirring chamber is provided with two respectively and on the feeding pipe. The inclined surface and the inclined surface of the discharge pipe are matched with the annular baffle; the inner walls of the feed pipe and the discharge pipe near the opening of the stirring chamber shrink inward to form a conical constriction, and the constriction in the feed pipe is provided with There are several strip baffles; there are barrels on the constriction part. The present invention not only better improves the production efficiency and production quality of concrete, but also better reduces the labor intensity of laborers; at the same time, it is also better applicable to different production situations.

Description

A kind of high performance concrete preparation device and construction method

technical field

The invention relates to the technical field of concrete preparation, in particular to a high-performance concrete preparation device and a construction method.

Background technique

As a commonly used material in building construction, concrete is usually made by adding an appropriate amount of water, sand and ingredients to the coagulant. At present, the ingredients of concrete are often crushed stone. The diameter of the stone is screened. If the diameter of the crushed stone is too large or too small, it will have a great impact on the strength of the concrete.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the present invention is solved by the following technical solutions:

A high-performance concrete preparation device comprises a mixing drum installation bracket, a mixing drum that can be rotated vertically is arranged on the mixing drum installation bracket, and a first driving mechanism for driving the mixing drum is arranged on the mixing drum installation bracket; There is a stirring chamber with openings at both ends. The diameter of the opening of the stirring chamber is smaller than the diameter of the inner wall of the stirring chamber. The stirring chamber is provided with a feed pipe and a discharge pipe that can move and rotate along the height direction of the stirring chamber. The material pipes are arranged oppositely along the height direction of the mixing chamber. The mixing drum is provided with a second driving mechanism for driving the feeding pipe and the material discharging pipe to move along the height direction of the mixing chamber. The mixing drum is also provided with a second driving mechanism for driving the feeding pipe and discharging material The third driving mechanism for the rotation of the pipe; the adjacent ends of the feeding pipe and the discharging pipe are provided with inclined surfaces, and the inclined surfaces are provided with scrapers. gradually increases; the stirring chamber is provided with two annular baffles which are respectively matched with the upper inclined surface of the feeding pipe and the upper inclined surface of the discharging pipe. The surface of the screen forms a screening channel; the inward grooves on the feed pipe close to the inner wall of the discharge pipe form the grooves of the feed pipe, and the discharge pipe is provided with an annular sealing ring matched with the grooves of the feed pipe; And the inner wall of the discharge pipe close to the opening of the stirring chamber shrinks inward to form a conical constriction part, and several strip baffles are arranged on the constriction part in the feeding pipe; the end of the constriction part close to the opening of the stirring chamber A material barrel is provided, the diameter of the material barrel is smaller than the diameter of the opening of the mixing chamber, the end of the material barrel extends out of the opening of the mixing chamber, and the feeding pipe is provided with a blocking mechanism for sealing the material barrel.

The present invention not only improves the production efficiency and production quality of concrete, but also reduces the labor intensity of laborers; at the same time, through the arrangement of the inclined surface and the annular baffle, it can be better applied to different diameters. The screening of the ingredients makes the present invention better applicable to different production situations.

Preferably, the mixing drum mounting frame includes a base, the base is provided with two mounting plates, the upper end of the mounting plate is provided with a mounting plate through hole, and the middle of the mixing drum is provided with two support columns matched with the mounting plate through holes. The end of the mixing drum protrudes from the through hole of the installation plate, the end of the support column at one end of the mixing drum that extends out of the through hole of the installation plate expands outward to form a support column boss with a diameter larger than the diameter of the through hole of the installation plate, and the support column at the other end of the mixing drum expands outward. The end protruding from the through hole of the mounting plate is provided with a support column gear, the mounting plate close to the support column gear among the two mounting plates is provided with a support plate arranged perpendicular to the mounting plate, and the first drive mechanism includes a support plate arranged on the support plate. A first motor and a transmission, the rotating shaft of the first motor is connected with the input shaft of the transmission, and the output shaft of the transmission is provided with a first driving gear matched with the support column gear.

In the present invention, through the arrangement of the first driving mechanism and the structure of the mounting bracket of the mixing drum, the driving of the mixing drum is more conveniently realized.

Preferably, the end of the constriction part close to the feed pipe is provided with a sleeve that fits with the opening of the stirring chamber; The end is provided with a material guide port communicated with the material guide channel.

In the present invention, through the arrangement of the sleeve, the shaking of the feeding pipe and the discharging pipe during rotation is preferably reduced.

Preferably, a connecting block for connecting the sleeve, the material barrel and the constricted portion is provided between the sleeve and the barrel.

In the present invention, the structural strength of the feeding pipe and the discharging pipe is further improved by the arrangement of the connecting block.

Preferably, the end of the sleeve protrudes from the opening of the stirring chamber, the end of the sleeve extending out of the opening of the stirring chamber expands outward along its circumferential direction to form a sleeve flange, and both ends of the stirring drum are provided with several parallel The connecting column is arranged in the height direction of the mixing drum. The end of the connecting column that is far away from the mixing drum is connected with a mounting table. The end surface of the platform is provided with an annular groove with an opening diameter smaller than the diameter of the inner wall. The second drive mechanism includes a plurality of hydraulic cylinders arranged on the installation platform. The ends of the mounting platform are commonly connected with a connecting ring, and the end face of the connecting ring close to the flange of the sleeve is provided with a connecting ring flange matched with the annular clamping groove.

In the present invention, the feed pipe and the discharge pipe can be rotated through the cooperation between the connecting ring flange and the ring groove.

Preferably, the peripheral side wall of the sleeve flange is provided with a sleeve flange rack, and the third driving mechanism includes a rotating rod mounting seat arranged on the mixing drum, and between the rotating rod mounting seat and the mounting table is provided with The gear shaft matched with the rack flange of the sleeve is provided with a third motor for driving the gear shaft on the end face of the installation platform away from the mixing drum.

In the present invention, the rotation of the feeding pipe and the discharging pipe can be conveniently realized through the arrangement of the third driving mechanism structure.

Preferably, an annular groove is provided on the annular baffle near the feeding pipe in the stirring chamber, and the annular groove is arranged on the inner wall of the annular baffle and on the end face close to the discharge pipe; The end portion near the annular groove is provided with a feed pipe boss matched with the annular groove.

In the present invention, through the arrangement of the annular groove and the feed pipe boss, the gap between the annular baffle and the inclined surface can be sealed through the cooperation between the annular groove and the feed pipe boss.

Preferably, a connecting mechanism for connecting the feeding pipe and the discharging pipe is arranged between the feeding pipe and the discharging pipe, and the connecting mechanism includes two connecting frames respectively arranged in the feeding pipe and the discharging pipe, and the connecting frame includes An annular connecting cylinder, the side wall of the connecting cylinder is provided with a connecting rod for connecting with the inner wall of the feeding pipe and the discharging pipe, the connecting mechanism also includes an optical axis arranged between the two connecting frames, and the two parts of the optical axis are The ends all pass through the connecting cylinder, and the end of the optical axis that passes through the connecting cylinder expands outward to form an optical axis flange for limiting the optical axis.

In the present invention, the connection between the feeding pipe and the discharging pipe is realized by the arrangement of the connecting frame and the optical axis, and the shaking of the feeding pipe and the discharging pipe during rotation is further reduced.

Preferably, the blocking mechanism includes a ball valve disposed at the connection between the barrel and the constriction portion, an actuator mounting housing is provided in the material guide channel, and an actuator for driving the ball valve is provided in the actuator mounting housing.

In the present invention, through the arrangement of the blocking mechanism structure, the blocking of the material cylinder and the discharge of the concrete are preferably realized.

The present invention also provides a construction method based on the upper high-performance concrete preparation device, which comprises the following steps:

Step 1: Activate the first drive mechanism until the feed pipe on the mixing drum rotates to the upper end of the mixing drum mounting bracket, then determine the diameter range of the ingredients to be selected, and start the second drive mechanism to move the feed pipe and the discharge pipe to the designated location;

Step 2: Add ingredients into the mixing drum through the material guide channel on the feeding pipe, and then start the third drive mechanism to make the feeding pipe and the discharging pipe rotate, so that the ingredients with the required diameter remain in the two annular baffles in the mixing chamber between;

Step 3. Activate the second drive mechanism to move the feed pipe and the discharge pipe to the open end of the mixing chamber until the maximum outer diameter end of the inclined surface moves to the annular baffle, and then start the first drive mechanism to make the material on the mixing drum move. The pipe is rotated to the lower end of the mounting bracket of the mixing drum, so that the ingredients between the two annular baffles fall into the feeding pipe;

Step 4: Activate the second drive mechanism to form a tight fit between the groove of the feed pipe and the annular sealing ring, and then add coagulant, sand and water to the feed pipe through the barrel on the discharge pipe, and then start the third The drive mechanism makes the feeding pipe rotate, and then stirs the concrete material in the feeding pipe;

Step 5. After the materials are mixed, the blocking mechanism is activated, so that the prepared concrete is discharged from the barrel on the feeding pipe.

In the present invention, through the above construction method, not only the manufacturing efficiency of concrete is better improved, but also the labor intensity of laborers is better reduced; meanwhile, the quality and performance of concrete are also better improved.

Description of drawings

FIG. 1 is a schematic structural diagram of the high-performance concrete preparation device in Example 1. FIG.

FIG. 2 is a partial cross-sectional view of the high-performance concrete preparation apparatus of FIG. 1 .

FIG. 3 is a half cross-sectional view of the feed tube of FIG. 2 .

FIG. 4 is a schematic structural diagram of the installation bracket of the mixing drum in FIG. 1 .

FIG. 5 is an enlarged view of part A in FIG. 2 .

FIG. 6 is an enlarged view of part B in FIG. 2 .

FIG. 7 is a half cross-sectional view of the discharge pipe in FIG. 2 .

FIG. 8 is an enlarged view of part C in FIG. 2 .

Detailed ways

In order to further understand the content of the present invention, the present invention will be described in detail with reference to the accompanying drawings and embodiments. It should be understood that the embodiments are only for explaining the present invention and not for limiting.

Example 1

As shown in FIGS. 1-3 , this embodiment provides a high-performance concrete preparation device, which includes a mixing drum mounting bracket 110 , a mixing drum mounting bracket 110 is provided with a vertically rotatable mixing drum 120 , and the mixing drum mounting bracket 110 is provided with a first driving mechanism for driving the stirring drum 120; the stirring drum 120 is provided with a stirring cavity 210 with openings at both ends, the diameter of the opening of the stirring cavity 210 is smaller than the diameter of the inner wall of the stirring cavity 210, and the stirring cavity 210 is provided with The feed pipe 220 and the discharge pipe 230 can move and rotate along the height direction of the stirring chamber 210. The feed pipe 220 and the discharge pipe 230 are arranged opposite to each other along the height direction of the stirring chamber 210. The stirring drum 120 is provided with a feeding pipe for driving the feeding pipe 220 and the discharge pipe 230 move along the height direction of the mixing chamber 210 with a second driving mechanism, and the mixing drum 120 is further provided with a third driving mechanism for driving the feeding pipe 220 and the discharge pipe 230 to rotate.

The adjacent ends of the feed pipe 220 and the discharge pipe 230 (that is, the inner ends of the feed pipe 220 and the discharge pipe 230, that is, the ends of the feed pipe 220 and the discharge pipe 230 located in the stirring chamber 210) are There is an inclined surface 240, a scraper 310 is arranged on the inclined surface 240, and the diameter of the inclined surface 240 gradually increases from the opening of the stirring chamber 210 to the opening of the stirring chamber 210; The inclined surface 240 on the pipe 220 and the inclined surface 240 on the discharge pipe 230 are matched with the annular baffle 250. The two annular baffles 250, the inclined surface 240 on the feeding pipe 220 and the inclined surface 240 on the discharge pipe 230 constitute the screen material Channel 260; the inner wall of one end of the feed pipe 220 near the discharge pipe 230 forms a feed pipe groove 320, and the discharge pipe 230 is provided with an annular sealing ring 270 matched with the feed pipe groove 320; on the feed pipe 220 And the inner wall of the discharge pipe 230 near the opening of the stirring chamber 210 shrinks inward to form a constricted portion 280 in the shape of a circular cone, and a plurality of strip baffles 2130 are arranged on the constricted portion 280 in the feed pipe 220; A barrel 290 is provided at the end near the opening of the stirring chamber 210, the diameter of the barrel 290 is smaller than the diameter of the opening of the stirring chamber 210, the end of the barrel 290 protrudes from the opening of the stirring chamber 210, and the feeding pipe 220 is provided with a A plugging mechanism for plugging the cylinder 290; the end of the constricted portion 280 close to the feed pipe 220 is provided with a sleeve 330 that fits with the opening of the stirring chamber 210, and the outer side wall of the material cylinder 290 and the inner wall of the sleeve 330 are provided with a sleeve 330. A material guide channel 340 is formed together, and a material guide port 350 communicated with the material guide channel 340 is provided on the end of the sleeve 330 near the constriction portion 280 . A connecting block 360 for connecting the sleeve 330 , the barrel 290 and the constriction portion 280 is provided between the sleeve 330 and the barrel 290 .

The end of the sleeve 330 protrudes from the opening of the stirring chamber 210 , and the end portion of the sleeve 330 protruding from the opening of the stirring chamber 210 expands outward along its circumferential direction to form a sleeve flange 370 , and the circumferential side wall of the sleeve flange 370 There is a sleeve flange rack 390 on it, the third driving mechanism includes a rotating rod mounting seat 1100 arranged on the mixing drum 120, and a sleeve flange rack 390 is provided between the rotating rod mounting seat 1100 and the mounting table 180 The matching gear shaft 1110 is provided with a third motor 1120 for driving the gear shaft 1110 on the end surface of the mounting platform 180 away from the mixing drum 120 .

In this embodiment, the vertical rotation of the mixing drum 120 means that the mixing drum 120 can rotate on the vertical surface of the mixing drum mounting bracket 110 . The vertical direction of the mixing drum mounting bracket 110 is defined as its height direction, and the vertical surface of the mixing drum mounting bracket 110 is defined as a plane horizontal to its vertical direction.

In this embodiment, the rotation axis of the mixing drum 120 (ie, the rotation axis of the first driving mechanism driving the rotation of the mixing drum 120 ) is perpendicular to the vertical surface of the mixing drum mounting bracket 110 ; the height direction of the mixing chamber 210 refers to the mixing chamber The extension direction of the stirring chamber 210 is the direction from the opening of one end of the stirring chamber 210 to the opening of the other end.

In this embodiment, the first driving mechanism is arranged in the middle of the mixing drum 120 , that is, the surface passing through the rotating shaft of the mixing drum 120 and perpendicular to the height direction of the mixing chamber 210 is located in the middle of the mixing drum 120 ; the feeding pipe 220 and the discharging pipe 230 The relative arrangement along the height direction of the stirring chamber 210 means that the feeding pipe 220 and the discharging pipe 230 are respectively located on two sides of the surface passing through the rotation axis of the stirring drum 120 and perpendicular to the height direction of the stirring chamber 210 .

In this embodiment, both ends of the mixing drum 120 are provided with second driving mechanisms respectively corresponding to the feeding pipe 220 and the discharging pipe 230 , and both ends of the mixing drum 120 are provided with a second driving mechanism respectively corresponding to the feeding pipe 220 and the feeding pipe 230 . The third driving mechanism corresponding to the discharge pipe 230 .

In the present embodiment, both the feeding pipe 220 and the discharging pipe 230 are configured with chambers, and the chambers of the feeding pipe 220 and the discharging pipe 230 extend in the height direction of the stirring chamber 210 and are in the height direction of the stirring chamber 210 openings are formed at both ends. The outer wall of one end of the feed pipe 220 and the discharge pipe 230 located in the stirring chamber 210 both form an inclined surface 240, and the inclined surface 240 is used to form the screening channel 260 together with the corresponding annular baffle 250, and the annular baffle 250 is located in the mixing chamber 210. The position corresponding to the largest outer diameter of the inclined surface 240 forms a tight fit with the outer walls of the feed pipe 220 and/or the discharge pipe 230 . That is, by moving the feed pipe 220 and the discharge pipe 230 along the height of the stirring chamber 210, the width of the corresponding screening channel 260 can be adjusted preferably, so that the crushed stones of different particle sizes can be better adjusted. filter.

In this embodiment, at the maximum displacement of the feeding pipe 220 and the discharging pipe 230 moving toward the inside of the stirring chamber 210, the groove 320 of the feeding pipe can be tightly matched with the annular sealing ring 270, so that the feeding pipe 220 and the The inner cavity of the discharge pipe 230 can preferably form a closed whole. In addition, it can also be configured that when the maximum outer diameter of the inclined surface 240 and the annular baffle 250 cooperate with the feeding pipe 220 and the discharging pipe 230, the inner end face of the feeding pipe groove 320 and the inner end face of the annular sealing ring 270 have a spacing.

In this embodiment, the diameters of the outer ends of the feed pipe 220 and the discharge pipe 230 are both smaller than the diameters of the inner ends, so a constriction portion 280 is formed between the outer end and the inner end of the feed pipe 220 and the discharge pipe 230, and the constriction portion 280 corresponds to The opening position of the mixing drum 120 is designed.

In this embodiment, the outer ends of the feeding pipe 220 and the discharging pipe 230 are formed into a material cylinder 290, a sleeve 330 is provided on the outer periphery of the material cylinder 290, and a material guiding channel 340 can be formed between the inner wall of the sleeve 330 and the outer wall of the material cylinder 290, and the sleeve A material guide port 350 can be formed between the inner end of the cylinder 330 and the outer wall of the feed pipe 220 and/or the discharge pipe 230, so that materials (crushed stones) with different particle sizes can enter from the material guide channel 340 and the material guide port 350 in turn. At the screening channel 260, by adjusting the widths of the two screening channels 260, the materials with larger particle size and smaller particle size can be preferably screened out, and then the materials with the particle size required by the process are retained.

In this embodiment, the sleeve 330 and the material barrel 290 can be connected through the connecting block 360, and the inner end of the sleeve 330 can be connected to the outer side wall of the constriction portion 280, and the material guide ports 350 can be symmetrically provided with two or more A plurality of, the connection block 360 is configured to form a shield for the material guide port 350 .

In this embodiment, the gear shaft 1110 can have a sufficient thickness, so it can better ensure that the sleeve flange rack 390 can slide on the gear shaft 1110 for a sufficient length, so it can better meet the requirements of the feed pipe 220 and the /or the travel requirement of the discharge pipe 230 in the height direction. When the high-performance concrete preparation device in this embodiment is in use, the diameter requirements of the ingredients to be added (generally crushed stones) are first determined according to the requirements of the concrete to be configured, and then the first drive mechanism is activated to make the material on the mixing drum 120 feed. The pipe 220 is rotated to the top of the mixing drum mounting bracket 110, and then the second drive mechanism is activated to adjust the positions of the feed pipe 220 and the discharge pipe 230, so as to realize the adjustment of the width of the screening channel 260; after adjusting the feed pipe 220 and the position of the discharge pipe 230, the crushed stone (material to be screened) to be added can be added to the mixing drum 120 through the material guide channel 340 on the feeding pipe 220, so the material to be screened can fall into the feeding At the sieve channel 260 at the pipe 220, by adjusting the width of the sieve channel 260 at the feed pipe 220, the material larger than the particle size requirement can be trapped in the sieve channel 260 at the feed pipe 220. In addition, the materials meeting and smaller than the particle size requirements can enter the area between the annular baffles 250 from the sieving channel 260 at the feeding pipe 220; then the third driving mechanism can be activated to make the feeding pipe 220 and the discharging pipe 220. 230 rotates, so as to better promote the passage of materials from the sieve channel 260; among the materials entering the area between the annular baffles 250, the materials smaller than the particle size requirement can pass through the sieve channel at the discharge pipe 230. 260 and sequentially discharged from the material guide port 350 and the material guide channel 340 at the discharge pipe 230; after the above-mentioned screening process is completed, both the feed pipe 220 and the discharge pipe 230 can be controlled to move to the outer end, so that the screen material can be screened. The passage 260 is closed, so that the materials that meet the particle size requirements can be temporarily stored in the area between the annular baffles 250; then the mixing drum 120 can be turned 180° by the first driving mechanism, and the material is fed by the feeding pipe 220. The materials larger than the particle size requirements outside the sieve channel 260 can be preferably discharged, and the materials meeting the particle size requirements in the area between the annular baffles 250 can enter the inner cavity of the feed pipe 220; Then, the feed pipe 220 and the discharge pipe 230 can be moved relative to each other through the second driving mechanism, so that a tight fit is formed between the groove 320 of the feed pipe and the annular sealing ring 270; At the cylinder 290, components such as coagulant, sand and water required for the concrete are sent into the cavity formed by the inner cavity of the feeding pipe 220 and the discharging pipe 230, and then the third driving mechanism makes the feeding When the pipe 220 and/or the discharge pipe 230 are rotated, the concrete mixing can be preferably achieved; during the mixing process, it can be understood that the material cylinder 290 at the feeding pipe 220 can be blocked by the blocking mechanism , and after the mixing is completed, the blocking mechanism can be opened to realize unloading.

In this embodiment, a scraper 310 can also be provided on the inclined surface 240 , so that it can better facilitate cutting. And in order to prevent the screening channel 260 from being unable to be properly closed due to the inclusion of materials at the screening channel 260 after the screening is completed, the structure of the scraper 310 can also be configured to have a triangular cross-section, that is, the scraper 310 can be used. Because of the edge part connected to the inclined surface 240 and the edge part used to always adhere to the inner wall of the annular baffle 250 , after the screening is completed, the material in the screening channel 260 can preferably be screened by the action of the scraper 310 Therefore, the normal closing of the screening channel 260 can be preferably ensured.

In this embodiment, the blocking mechanism can include, for example, a solenoid valve.

The high-performance concrete preparation device in this embodiment screens the ingredients in the concrete, so that the diameter of the ingredients in the concrete can meet the requirements for preparing concrete, thereby better improving the quality and performance of the concrete; The performance concrete preparation device realizes the continuous screening of ingredients and the continuous mixing of concrete materials. Compared with the method of screening the ingredients and transporting them to the mixer, it not only improves the production efficiency of concrete, but also better. The labor intensity of the laborers is better reduced; at the same time, the arrangement of the inclined surface 240 and the annular baffle 250 in this embodiment can be better suitable for the screening of ingredients of different diameters, so that the The high-performance concrete preparation device can be better suitable for different production situations.

The configuration of the third drive mechanism enables people to start the third motor 1120 during use, and the connection between the feed pipe 220 and the discharge pipe 230 is realized through the cooperation between the gear shaft 1110 and the sleeve flange rack 390 . The rotation of the feed pipe 220 and the discharge pipe 230 is more convenient.

The arrangement of the sleeve 330 preferably reduces the shaking of the feed pipe 220 and the discharge pipe 230 during rotation, thereby improving the stability of the high performance concrete preparation device in this embodiment during use.

Wherein, the arrangement of the connecting block 360 further improves the structural strength of the feeding pipe 220 and the discharging pipe 230, thereby better improving the stability of the high performance concrete preparation device in use.

As shown in FIG. 4 , the mixing drum mounting frame 110 includes a base 410 , two mounting plates 420 are provided on the base 410 , the upper end of the mounting plate 420 is provided with a mounting plate through hole 430 , and the middle of the mixing drum 120 is provided with two mounting plates 420 . The support column 2100 matched with the through hole 430, the end of the support column 2100 protrudes from the through hole 430 of the mounting plate, and the end of the support column 2100 at one end of the mixing drum 120 that extends out of the through hole 430 of the mounting plate expands outward to form a diameter larger than that of the mounting plate. The support column boss 2110 with the diameter of the plate through hole 430, the support column gear 130 is provided on the end of the support column 2100 at the other end of the mixing drum 120 protruding from the installation plate through hole 430, and the support column gear 130 in the two mounting plates 120 is close to the support column gear 130. The mounting plate 420 is provided with a support plate 440 arranged perpendicular to the mounting plate 420 . The first drive mechanism includes a first motor 140 and a transmission 150 arranged on the support plate 440 . The rotating shaft of the first motor 140 is in phase with the input shaft of the transmission 150 In connection, the output shaft of the transmission 150 is provided with a drive gear 160 matched with the support column gear 130 .

When the high-performance concrete preparation device in this embodiment is in use, the first motor 140 can be activated to rotate the support column 2100 through the cooperation between the drive gear 160 and the support column gear 130 , that is, the mixing drum 120 rotates. In this embodiment, through the arrangement of the first driving mechanism and the structure of the mixing drum mounting bracket 110 , the driving of the mixing drum 120 is more conveniently realized.

As shown in FIG. 5 , the end of the sleeve 330 protrudes from the opening of the stirring chamber 210 , and the end portion of the sleeve 330 that protrudes from the opening of the stirring chamber 210 expands outward along its circumferential direction to form a sleeve flange 370 . Both ends are provided with a number of connecting columns 170 parallel to the height direction of the mixing drum 120. The ends of the connecting columns 170 away from the mixing drum 120 are jointly connected with a mounting table 180. The middle of the mounting table 180 is provided with the mixing drum 120. The through-hole 181 of the mounting table with the same opening diameter, the end face of the sleeve flange 370 close to the mounting table 180 is provided with an annular groove 380 whose opening diameter is smaller than the diameter of the inner wall. The hydraulic oil cylinder 190, the end of the piston rod of the hydraulic oil cylinder 190 passes through the mounting table 180, and the end of the piston rod of the hydraulic oil cylinder 190 that passes through the mounting table 180 is commonly connected with a connecting ring 510, and the connecting ring 510 is close to the sleeve flange 370. The end face is provided with a connecting ring flange 520 which is matched with the annular snap groove 380 .

When the high-performance concrete preparation device in this embodiment is in use, when the positions of the feeding pipe 220 and the discharging pipe 230 in the mixing chamber 210 need to be adjusted, the hydraulic cylinder 190 can be activated, and the piston rod of the hydraulic cylinder 190 can be pulled by the piston rod. The connection ring 510 makes the sleeve flange 370 move, that is, the adjustment of the position of the feed pipe 220 or the discharge pipe 230 is realized. 220 and the discharge pipe 230 can be rotated.

6 and 7 , an annular groove 610 is provided on the annular baffle plate 250 in the stirring chamber 210 near the feed pipe 220 , and the annular groove 610 is disposed on the inner wall of the annular baffle plate 250 and close to the discharge pipe. On the end face at 230; the end of the inclined surface 240 of the feed pipe 220 close to the annular groove 610 is provided with a feed pipe boss 620 matched with the annular groove 610. The end surfaces on both sides of the annular baffle 250 are provided with first arc surfaces 630 , and the first arc surfaces 630 are gradually inclined downward from the inner wall of the stirring chamber 210 to the inner ring of the annular baffle 250 . The end of the feeding pipe 220 close to the discharging pipe 230 is provided with a second arc-shaped surface 640 , and the second arc-shaped surface 640 is gradually inclined downward from the edge of the feeding pipe 220 to the center of the feeding pipe 220 . The discharge pipe 230 is provided with a third arc-shaped surface 750 matched with the second arc-shaped surface 640 . A connecting mechanism for connecting the feeding pipe 220 and the discharging pipe 230 is provided between the feeding pipe 220 and the discharging pipe 230. The frame includes a ring-shaped connecting cylinder 3100. The side wall of the connecting cylinder 3100 is provided with a connecting rod 3110 for connecting with the inner wall of the feeding pipe 220 and the discharging pipe 230. The connecting mechanism also includes a connecting rod 3110 disposed between the two connecting frames. The two ends of the optical axis 2120 pass through the connecting cylinder 3100, and the end of the optical axis 2120 passing through the connecting cylinder 3100 expands outward to form an optical axis flange 710 for limiting the optical axis 2120. . The end of the optical axis 2120 close to the discharge pipe 230 is provided with a chute 720 arranged along the axial direction of the optical axis 2120, and the connecting cylinder 3100 on the discharge pipe 230 is provided with a clamping block 730 which is matched with the chute 720; A stirring blade 740 is provided on the optical axis flange 710 in the feed pipe 220 .

Through the arrangement of the annular groove 610 and the feeding tube boss 620 in this embodiment, when the feeding tube 220 is rotated to the upper end of the mixing drum 120, the annular groove 610 and the feeding tube boss 620 can pass through the annular groove 610 and the feeding tube boss 620. The cooperation between them seals the gap between the annular baffle 250 and the inclined surface 240 , thereby better improving the stability of the high-performance concrete preparation device in use.

The setting of the first arc-shaped surface 630 not only enables the ingredients to be better slid to the annular baffle 250 and the inclined surface 240 during the screening of ingredients, but also enables the feeding pipe 220 to be rotated to the mixing drum 120 When it is below, the ingredients can preferably slide into the feeding pipe 220, thereby better improving the stability of the high-performance concrete preparation device during use.

Through the arrangement of the second arc-shaped surface 640, the ingredients that slide to the edge of the feeding pipe 220 can preferably slide down into the feeding pipe 220, thereby better improving the performance of the high-performance concrete preparation device during use. stability.

Through the setting of the third arc-shaped surface 750, during the screening of ingredients, the ingredients falling on the third arc-shaped surface 750 can preferably slide between the inclined surface 240 and the annular baffle 250, thereby The stability of the high-performance concrete preparation device during use is preferably improved.

The connection between the feeding pipe 220 and the discharging pipe 230 is realized by the setting of the connecting frame and the optical axis 2120, thereby further reducing the shaking of the feeding pipe 220 and the discharging pipe 230 during rotation, thereby further improving the The stability of the high-performance concrete preparation device in use is improved.

Wherein, the setting of the stirring blade 740 makes it possible to control the discharge pipe 230 and the third motor 1120 on the feed pipe 220 respectively during the stirring of the material, so that the rotation directions of the discharge pipe 230 and the feed pipe 220 are opposite. , so that the mixing blade 740 can cooperate with the strip baffle 2130 in the feeding pipe 220 to mix it, thereby better improving the mixing effect of concrete.

As shown in FIG. 8 , the blocking mechanism includes a ball valve 810 disposed at the connection between the material cylinder 290 and the constriction portion 280 , an actuator mounting housing 820 is provided in the material guide channel 340 , and an actuator mounting housing 820 is provided for driving Actuator 830 of ball valve 810.

After the concrete in this embodiment is mixed, the ball valve 810 can be opened by the actuator 830 , so that the mixed concrete is discharged from the barrel 290 . Through the arrangement of the blocking mechanism structure in this embodiment, the blocking of the material cylinder 290 and the discharge of concrete are preferably achieved.

The present embodiment also provides a construction method based on the above-mentioned high-performance concrete preparation device, which comprises the following steps:

Step 1: Activate the first drive mechanism until the feeding pipe 220 on the mixing drum 120 rotates to the upper end of the mixing drum mounting bracket 110, then determine the diameter range of the ingredients to be selected, and start the second driving mechanism to make the feeding pipe 220 and The discharge pipe 230 is moved to the designated position;

Step 2: Add ingredients (that is, the above-mentioned crushed stone material) into the mixing drum 120 through the material guide channel 340 on the feeding pipe 220, and then start the third driving mechanism to make the feeding pipe 220 and the discharging pipe 230 rotate, so that the diameter of the The ingredients that meet the requirements remain between the two annular baffles 250 in the stirring chamber 210;

Step 3: Activate the second drive mechanism to move the feed pipe 220 and the discharge pipe 230 to the open end of the stirring chamber 210 until the maximum outer diameter end of the inclined surface 240 moves to the annular baffle 250, and then start the first drive mechanism to stir The feeding pipe 220 on the drum 120 is rotated to the lower end of the mixing drum mounting bracket 110, so that the ingredients between the two annular baffles 250 fall into the feeding pipe 220;

Step 4: Activate the second drive mechanism to form a tight fit between the groove 320 of the feed pipe and the annular sealing ring 270, and then add coagulant, sand and water to the feed pipe 220 through the barrel 290 on the discharge pipe 230 , and then start the third drive mechanism to make the feeding pipe 220 rotate, and then stir the concrete material in the feeding pipe 220;

Step 5: After the materials are mixed, the blocking mechanism is activated, so that the prepared concrete is discharged from the barrel 290 on the feeding pipe 220 .

Through the construction method in this embodiment, not only the manufacturing efficiency of concrete is better improved, but also the labor intensity of laborers is better reduced; meanwhile, the quality and performance of concrete are better improved.

In a word, the above are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the patent of the present invention.

Claims (10)

1. The utility model provides a high performance concrete preparation facilities which characterized in that: the stirring device comprises a stirring cylinder mounting bracket (110), wherein a stirring cylinder (120) capable of vertically rotating is arranged on the stirring cylinder mounting bracket (110), and a first driving mechanism for driving the stirring cylinder (120) is arranged on the stirring cylinder mounting bracket (110); a stirring cavity (210) with two open ends is arranged in the stirring barrel (120), the diameter of the open end of the stirring cavity (210) is smaller than the diameter of the inner wall of the stirring cavity (210), a feeding pipe (220) and a discharging pipe (230) which can move and rotate along the height direction of the stirring cavity (210) are arranged in the stirring cavity (210), the feeding pipe (220) and the discharging pipe (230) are oppositely arranged along the height direction of the stirring cavity (210), a second driving mechanism for driving the feeding pipe (220) and the discharging pipe (230) to move along the height direction of the stirring cavity (210) is arranged on the stirring barrel (120), and a third driving mechanism for driving the feeding pipe (220) and the discharging pipe (230) to rotate is also arranged on the stirring barrel (120); the adjacent ends of the feeding pipe (220) and the discharging pipe (230) are respectively provided with an inclined surface (240), the inclined surface (240) is provided with a scraper (310), and the diameter of the inclined surface (240) is gradually increased from the position close to the opening of the stirring cavity (210) to the position far away from the opening of the stirring cavity (210); two annular baffles (250) which are respectively matched with the upper inclined surface (240) of the feeding pipe (220) and the upper inclined surface (240) of the discharging pipe (230) are arranged in the stirring cavity (210), and the two annular baffles (250), the upper inclined surface (240) of the feeding pipe (220) and the upper inclined surface (240) of the discharging pipe (230) form a material sieving channel (260); a feeding pipe groove (320) is formed in the inner wall of one end, close to the discharging pipe (230), of the feeding pipe (220), and an annular sealing ring (270) matched with the feeding pipe groove (320) is arranged on the discharging pipe (230); the inner walls of the feeding pipe (220) and the discharging pipe (230) close to the opening of the stirring cavity (210) are contracted inwards to form a circular truncated cone-shaped contraction part (280), and a plurality of strip-shaped baffle plates (2130) are arranged on the contraction part (280) in the feeding pipe (220); a charging barrel (290) is arranged at the end part of the contraction part (280) close to the opening of the stirring cavity (210), the diameter of the charging barrel (290) is smaller than that of the opening of the stirring cavity (210), the end part of the charging barrel (290) extends out of the opening of the stirring cavity (210), and a plugging mechanism for plugging the charging barrel (290) is arranged on the feeding pipe (220).

2. The high-performance concrete preparation device according to claim 1, wherein: the mixing drum mounting support (110) comprises a base (410), two mounting plates (420) are arranged on the base (410), a mounting plate through hole (430) is formed in the upper end portion of each mounting plate (420), two supporting columns (2100) matched with the mounting plate through holes (430) are arranged in the middle of each mixing drum (120), the end portions of the supporting columns (2100) extend out of the mounting plate through holes (430), the end portions of the supporting columns (2100) at one end of each mixing drum (120) extending out of the mounting plate through holes (430) are outwards expanded to form supporting column bosses (2110) with diameters larger than those of the mounting plate through holes (430), a supporting plate (440) perpendicular to the mounting plates (420) is arranged on the mounting plates (420) close to the supporting column gears (130) in the two mounting plates (420), and a first driving mechanism comprises a first motor (140) and a transmission (150) which are arranged on the supporting plate (440) The rotating shaft of the first motor (140) is connected with the input shaft of the transmission (150), and the output shaft of the transmission (150) is provided with a driving gear (160) matched with the support column gear (130).

3. The high-performance concrete preparation device according to claim 1, wherein: the end part of the contraction part (280) close to the feeding pipe (220) is provided with a sleeve (330) which is in clearance fit with the opening of the stirring cavity (210), the outer side wall of the charging barrel (290) and the inner wall of the sleeve (330) jointly form a material guide channel (340), and the end part of the sleeve (330) close to the contraction part (280) is provided with a material guide opening (350) communicated with the material guide channel (340).

4. A high performance concrete preparation apparatus according to claim 3, wherein: a connecting block (360) for connecting the sleeve (330), the cartridge (290) and the constriction (280) is arranged between the sleeve (330) and the cartridge (290).

5. A high performance concrete preparation apparatus according to claim 3, wherein: the end part of the sleeve (330) extends out of the opening of the stirring cavity (210), the tail end part of the sleeve (330) extending out of the opening of the stirring cavity (210) is expanded outwards along the circumferential direction to form a sleeve flange (370), both ends of the stirring drum (120) are provided with a plurality of connecting columns (170) which are arranged in parallel with the height direction of the stirring drum (120), the end parts of the connecting columns (170) far away from the stirring drum (120) are connected with an installation table (180) together, the middle part of the installation table (180) is provided with an installation table through hole (181) with the same aperture as the opening of the stirring drum (120), the end surface of the sleeve flange (370) close to the installation table (180) is provided with an annular clamping groove (380) with the opening diameter smaller than the inner wall diameter, the second driving mechanism comprises a plurality of hydraulic oil cylinders (190) arranged on the installation table (180), the end part of piston rods of the hydraulic oil cylinders (190) penetrates through the installation table (180), the end parts of the piston rods of the hydraulic oil cylinders (190) penetrating through the installation table (180) are connected with a connecting ring (510) together, the end surface of the connecting ring (510) close to the sleeve flange (370) is provided with a connecting ring flange (520) matched with the annular clamping groove (380).

6. The high-performance concrete preparation device according to claim 5, wherein: the circumferential side wall of the sleeve flange (370) is provided with a sleeve flange rack (390), the third driving mechanism comprises a rotating rod mounting seat (1100) arranged on the stirring cylinder (120), a gear shaft (1110) matched with the sleeve flange rack (390) is arranged between the rotating rod mounting seat (1100) and the mounting platform (180), and the end face, far away from the stirring cylinder (120), of the mounting platform (180) is provided with a third motor (1120) used for driving the gear shaft (1110).

7. The high-performance concrete preparation device according to claim 1, wherein: an annular groove (610) is formed in the annular baffle plate (250) close to the feeding pipe (220) in the stirring cavity (210), and the annular groove (610) is formed in the inner wall of the annular baffle plate (250) and on the end face close to the discharging pipe (230); the end part of the inclined surface (240) on the feeding pipe (220) close to the annular groove (610) is provided with a feeding pipe boss (620) matched with the annular groove (610).

8. The high-performance concrete preparation device according to claim 1, wherein: be equipped with the coupling mechanism who is used for connecting inlet pipe (220) and discharging pipe (230) between inlet pipe (220) and discharging pipe (230), coupling mechanism includes that two set up the link in inlet pipe (220) and discharging pipe (230) respectively, the link is including being annular connecting cylinder (3100), be equipped with on the lateral wall of connecting cylinder (3100) and be used for connecting rod (3110) that are connected with inlet pipe (220) and discharging pipe (230) inner wall, coupling mechanism is still including setting up optical axis (2120) between two links, connecting cylinder (3100) is all passed at the both ends of optical axis (2120), the outside expansion of tip that passes connecting cylinder (3100) on optical axis (2120) forms and is used for carrying out spacing optical axis (2120) optical axis flange (710).

9. A high performance concrete preparation apparatus according to claim 3, wherein: the plugging mechanism comprises a ball valve (810) arranged at the joint of the charging barrel (290) and the contraction part (280), an actuator mounting shell (820) is arranged in the material guide channel (340), and an actuator (830) used for driving the ball valve (810) is arranged in the actuator mounting shell (820).

10. The construction method of the high-performance concrete preparation device based on any one of the claims 1 to 9, comprising the following steps:

the method comprises the steps that firstly, a first driving mechanism is started until a feeding pipe (220) on a mixing drum (120) rotates to the upper end portion of a mixing drum mounting bracket (110), then the diameter range of ingredients to be selected is determined, and a second driving mechanism is started to enable the feeding pipe (220) and a discharging pipe (230) to move to designated positions;

secondly, adding ingredients into the mixing drum (120) through a material guide channel (340) on the feeding pipe (220), and then starting a third driving mechanism to enable the feeding pipe (220) and the discharging pipe (230) to rotate, so that the ingredients with the diameters meeting the requirements are left between two annular baffles (250) in the mixing cavity (210);

thirdly, starting a second driving mechanism to enable a feeding pipe (220) and a discharging pipe (230) to move towards the opening end of the stirring cavity (210) until the maximum outer diameter end of the inclined surface (240) moves to the annular baffle plate (250), and then starting a first driving mechanism to enable the feeding pipe (220) on the stirring drum (120) to rotate to the lower end part of the stirring drum mounting bracket (110), so that ingredients between the two annular baffle plates (250) fall into the feeding pipe (220);

fourthly, starting a second driving mechanism to enable the groove (320) of the feeding pipe to be in close fit with the annular sealing ring (270), adding coagulant, sand and water into the feeding pipe (220) through a charging barrel (290) on the discharging pipe (230), and then starting a third driving mechanism to enable the feeding pipe (220) to rotate so as to stir the concrete material in the feeding pipe (220);

and step five, after the materials are stirred, starting the plugging mechanism to discharge the prepared concrete from the charging barrel (290) on the feeding pipe (220).

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