CN107718314B - Highway concrete transportation stirring device and using method thereof - Google Patents
Highway concrete transportation stirring device and using method thereof Download PDFInfo
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- CN107718314B CN107718314B CN201711137508.6A CN201711137508A CN107718314B CN 107718314 B CN107718314 B CN 107718314B CN 201711137508 A CN201711137508 A CN 201711137508A CN 107718314 B CN107718314 B CN 107718314B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0084—Storage containers or silos mounted on, or specially adapted for transport by, vehicles; Means for erecting containers or silos
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a road concrete transportation stirring device and a using method thereof, belongs to the field of concrete production equipment, and solves the problems of difficult transition, low efficiency and inconvenient operation of the conventional stirring device. The device comprises a chassis, a base support, a stirring module, a powder storage and supply module, an aggregate storage and supply module, a liquid storage and supply module, an electric control module, a stirring mechanism fixing module and a cleaning module, wherein the powder storage and supply module, the aggregate storage and supply module and the liquid storage and supply module are all fixed on the base support and are all connected with the stirring module, and the powder storage and supply module, the aggregate storage and supply module, the liquid storage and supply module, the stirring module and the cleaning module are all connected with the electric control module.
Description
Technical Field
The invention belongs to the field of concrete production equipment, and particularly relates to a road concrete transportation stirring device and a using method thereof.
Background
Since the Shanghai Jia expressway went through traffic in 1988, the construction of the Chinese expressway was leap forward. After a road is built and communicated with a vehicle, the road is eroded and weathered by natural forces such as rainstorm, flood, sand blown by wind, ice and snow, sunlight, ice melting and the like, and certain defects left in artificial damage and construction, so that the use quality of the road is gradually reduced. Therefore, maintenance and repair measures must be taken after the road is built and the vehicle is communicated, and the road is continuously updated and improved. The damaged part of the road must be repaired in time for road maintenance, otherwise, the investment of repair engineering is increased, the service life of the road is shortened, and the road users are lost. The highway belongs to a cross-regional linear structure, and has a lot of difficulties in maintaining concrete projects in points or sections, and in addition, the highway has the characteristics of short maintenance period, large site variation, small demand for concrete, discontinuous production and the like, so that a lot of difficulties are faced in maintaining the concrete of the highway.
At present, most of concrete mixing devices commonly used in China are fixed and far away from construction sites, so that a plurality of mixing trucks need to be configured during construction, cost is increased, concrete slump is reduced due to long transportation time, and concrete workability is affected. In addition, the existing concrete mixing plant is mostly in an assembled type, so that on one hand, the occupied area is large, and the use is inconvenient; and on the other hand, the transition is laborious, and the working efficiency is influenced. For example, chinese patent nos.: 201620701927.2 discloses a concrete mixing plant with an independent supporting device for accurately weighing admixture, which comprises a concrete mixing plant, an admixture weighing device and a supporting frame for supporting the admixture weighing device, and is characterized in that: the support frame is independently arranged outside the concrete mixing plant and is not connected with any structural component of the concrete mixing plant; the lower end of the supporting frame is fixed on a supporting frame foundation which is separately arranged on the ground; the upper end of the supporting frame is provided with a horizontally arranged upper beam, and the end part of the upper beam extends into the packaged concrete mixing plant; the additive weighing device is fixed at the end part of the upper beam; the additive weighing device is a suspended electronic scale, and a cuboid or cylindrical additive weighing hopper is suspended at the lower end of the suspended electronic scale; the concrete mixing equipment adopts a double-machine type concrete mixing station, the support frame is positioned between two symmetrically arranged concrete mixing stations, and two ends of an upper beam horizontally arranged at the upper end of the support frame respectively extend into the concrete mixing stations which are well packaged at two sides of the support frame. Although the invention ensures the weighing accuracy of the admixture, the problems of large occupied area, high use cost, difficult transition, difficult transportation and the like exist.
In view of the above problems, some attempts have been made to solve the above problems, for example, chinese patent application No. 201310660734.8, published patent application document 3/26/2014, which discloses a fast moving concrete mixing plant, comprising an aggregate ingredient supply system, a powder ingredient supply system, a liquid ingredient supply system, a mixing system, a control panel, a pumping system and a transportation system; the aggregate ingredient supply system, the powder ingredient supply system, the liquid ingredient supply system, the stirring system, the control panel and the pumping system are all arranged on a trailer plate, and the aggregate ingredient supply system, the powder ingredient supply system and the liquid ingredient supply system are all communicated with the stirring system; the aggregate batching and supplying system comprises an aggregate bin, an aggregate metering device and an aggregate conveying device, wherein the aggregate bin comprises a large stone bin, a small stone bin and a sand bin, and the aggregate metering device comprises a large stone bin metering device, a small stone bin metering device and a sand bin metering device which are respectively arranged below discharge ports of the large stone bin, the small stone bin and the sand bin; the powder batching and supplying system comprises a powder feeding device, a powder bin, a powder metering device and a powder conveying device, wherein the powder feeding device is of a detachable structure; the powder metering device comprises a powder first-bin metering device, a powder second-bin metering device and a powder third-bin metering device, wherein the feeding ports of the powder first-bin metering device, the powder third-bin metering device and the powder second-bin metering device are all connected with the outlets of the corresponding powder conveying devices, and the discharging ports of the powder first-bin metering device, the powder third-bin metering device and the powder second-bin metering device are all communicated with the stirring machine; the stirring system comprises a main frame and a stirrer, the stirrer is arranged on the main frame, and the pumping system is arranged below a discharging door of the stirrer. However, the technical scheme solves the problem of convenient transportation, and simultaneously solves the problems of excessively complex product mechanism, high space requirement condition, low space utilization rate and low production efficiency, and the problem is not thoroughly solved.
Disclosure of Invention
1. Problems to be solved
The invention provides a road concrete transportation stirring device and a using method thereof, aiming at the problems of high space requirement conditions, complex product mechanism, low space utilization rate and low production efficiency of the concrete transportation stirring device in the prior art, and the road concrete transportation stirring device has the advantages of variable stirring volume, adjustable gravity center, convenient transportation, compact structure, high production efficiency and the like.
2. Technical scheme
In order to solve the above problems, the technical scheme provided by the invention is as follows:
a road concrete transportation stirring device comprises a chassis, a base support, a stirring module, a powder storage and supply module, an aggregate storage and supply module, a liquid storage and supply module, an electric control module, a stirring mechanism fixing module and a cleaning module; the base bracket is fixed on the chassis; the stirring mechanism fixing module is fixed on the base bracket; the stirring module is fixed inside the stirring mechanism fixing module; the powder storage and supply module, the aggregate storage and supply module and the liquid storage and supply module are all fixed on the base bracket and are all connected with the stirring module; the electric control module is fixed on the base bracket; the powder storage and supply module, the aggregate storage and supply module, the liquid storage and supply module, the stirring module and the cleaning module are all connected with the electric control module; the stirring mechanism fixing module comprises a feed hopper; the stirring module comprises an upper stirring cylinder, a lower stirring cylinder and a stirring rod; the cleaning module comprises a stirring cylinder inner wall cleaning device and a stirring rod inner cleaning device.
Preferably, the stirring mechanism fixing module further comprises a circular track, an annular track and a guide post; the circular track is positioned at the bottom of the stirring module; the lower mixing drum is connected with a circular track at the bottom of the lower mixing drum through a ball bearing; the guide posts are fixed on two sides of the stirring module; the lower mixing drum is of a cylindrical structure; the annular track is sleeved at the top end of the outer side of the lower stirring cylinder; the outer side of the top end of the lower stirring cylinder is provided with an inclined plane structure and is connected with the annular track through a ball; the bottom of the upper stirring cylinder is inserted into the top of the lower stirring cylinder; the inner wall of the top of the lower mixing drum is provided with a first annular bulge, the inner wall of the first annular bulge is provided with a thread structure, and the outer wall of the upper mixing drum is provided with a thread structure corresponding to the inner wall of the first annular bulge; a second annular bulge is arranged on the outer wall of the bottom of the upper stirring cylinder; the gap between the second annular bulge and the inner wall of the lower stirring cylinder is 2-3 mm; connecting rods are arranged on two sides of the upper stirring cylinder, one end of each connecting rod is connected with the upper stirring cylinder, and the other end of each connecting rod is sleeved with the guide post; the stirring mechanism fixing module also comprises a gear, and the outer wall of the bottom of the lower stirring cylinder is provided with teeth meshed with the gear; when the stirring machine works, the power device drives the gear to rotate clockwise, the gear drives the lower stirring cylinder to rotate anticlockwise, and the upper stirring cylinder rises in the vertical direction, so that the stirring volume is increased, and the working efficiency is improved; after the work is completed, the power device drives the gear to rotate anticlockwise, the gear drives the lower mixing drum to rotate clockwise, and the upper mixing drum descends in the vertical direction, so that the gravity center of the mixing device is reduced, and the mixing device can be transported under the condition of poor road surface conditions.
Preferably, the stirring rod comprises an upper stirring rod and a lower stirring rod; the upper stirring rod is of a cylindrical structure and is connected with the upper stirring barrel through a bearing, a strip-shaped groove structure is arranged on the side surface of the upper stirring rod, and an oval blind hole structure is arranged at the bottom of the upper stirring rod; the lower stirring rod is of an oval structure, and the top of the lower stirring rod is inserted into an oval blind hole at the bottom of the upper stirring rod; stirring blade structures are arranged on the two sides of the upper stirring rod and the lower stirring rod and are staggered with each other; the stirring blades of the lower stirring rod penetrate through the strip-shaped groove structure on the upper stirring rod; the bottom of the lower stirring rod is rotationally connected with the lower stirring cylinder; when the stirring device works, the upper stirring rod can ascend along with the upper stirring cylinder, so that the length of the whole stirring rod is stretched, the power device drives the upper stirring rod to rotate, the upper stirring rod drives the lower stirring rod to rotate, concrete at each position in the vertical direction in the stirring cylinder can be fully stirred, the stirring efficiency is increased, and the stirring time is shortened; after the work is finished, the upper stirring rod can descend along with the upper stirring cylinder, so that the length of the whole stirring rod is compressed.
Because a large amount of concrete particles can be attached to the inner wall of the stirring device during operation, if the stirring device is not cleaned in time, after the upper stirring drum descends, the upper stirring drum and the lower stirring drum can be fastened together due to concrete solidification, great inconvenience is brought to the start of next operation, the problem can be effectively avoided by arranging the stirring drum inner wall cleaning device, and the stirring drum inner wall cleaning device comprises a cleaning knife, a fixed shaft and a spring; the bottom of the lower stirring cylinder is provided with a threaded hole structure; the bottom of the fixed shaft is provided with an external thread structure matched with the threaded hole structure on the bottom of the lower mixing drum; the cleaning knife is hinged with the lower mixing drum through a fixed shaft; the bottom of the lower stirring cylinder is provided with a lug which is provided with a square hole structure; one end of the spring is connected with the cleaning knife, the other end of the spring is connected with the lug on the lower stirring cylinder, and the spring is in a stretching state; when the stirring operation begins, the lower stirring cylinder rotates anticlockwise, and the motion direction of the inner wall of the lower stirring cylinder relative to the cleaning knife is as follows: the rear cutter face of the cleaning cutter moves towards the direction of the cutter point, and the cutting force received by the inner wall of the lower stirring cylinder is very small; after the stirring work is finished, the lower stirring cylinder rotates clockwise, and the inner wall of the lower stirring cylinder is in the movement direction relative to the cleaning knife: the front tool face of the cleaning tool moves towards the tool tip direction, the cutting force received by the inner wall of the lower mixing drum is very large, and then the excess material attached to the inner wall of the mixing drum is removed, so that the removal work is completed.
Preferably, the top of the upper stirring cylinder is provided with an aggregate feeding hole, a powder interface and a liquid interface, wherein the liquid interface is positioned between the aggregate feeding hole and the powder interface; in the material conveying process, the liquid can form an isolation layer to prevent powder from entering air from the aggregate feeding hole, so that the influence on the environment is greatly reduced, and the accurate control on the concrete mixing ratio is realized. The feed hopper is positioned above the aggregate feed inlet; the powder storage and supply module comprises a powder bin, a powder conveying device and a powder metering device; the discharge hole of the powder bin is connected with the feed inlet of the powder conveying device, the powder bin is of a closed structure, and the powder conveying device is a spiral conveying device; the discharge hole of the powder conveying device is fixed at the top of the stirring mechanism fixing module and is connected with the powder metering device through an elastic channel; the powder metering device is connected with a powder interface on the upper mixing drum, and the elastic channel has a telescopic function and is of a closed structure; the powder conveying device is of a spiral conveying structure; the discharge port of the powder metering device is connected with the powder interface on the top cover, so that the influence of dust on the environment in the powder conveying process is reduced, and the accurate control of the concrete mixing ratio is also ensured; the aggregate storage and supply module comprises an aggregate bin, an aggregate conveying device and an aggregate metering device; the aggregate bin comprises an aggregate bin and a sand bin, the aggregate metering device comprises a stone metering device and a sand metering device, and the aggregate conveying device is in crawler-type conveying; the discharge ports of the stone material bin and the sand material bin are respectively positioned above the feed ports of the stone material metering device and the sand material metering device, and the discharge ports of the stone material metering device and the sand material metering device are positioned above the feed position of the aggregate conveying device; the discharging position of the aggregate conveying device is positioned above the feeding hopper on the stirring mechanism fixing module; when the device works, the power device drives the aggregate conveying device to move, a certain amount of aggregate is discharged from a discharge hole of the metering device and enters the crawler belt, and the power device drives the aggregate conveying device to continue to move; carrying the aggregate into a feed hopper to complete the feeding process; the liquid storage and supply module comprises a liquid storage bin, a liquid metering device and a liquid conveying device; the outlet of the liquid storage bin is connected with a liquid metering device; the outlet of the liquid metering device is connected with the liquid conveying device, and the outlet of the liquid conveying device is connected with the liquid interface on the upper stirring drum.
Preferably, the cleaning device inside the stirring rod comprises a plurality of spray heads, a first water pipe connector and a second water pipe connector; a water flow channel with a circular section is arranged in the upper stirring rod, the water flow channel comprises a plurality of branch flow channels, a first main flow channel and a second main flow channel, and the first main flow channel and the second main flow channel are respectively connected with a first water pipe connector and a second water pipe connector which are positioned on the top of the upper stirring rod; one end of the branch channel is connected with the main stream channel, and the other end of the branch channel is connected with the corresponding spray head; the spray heads are all arranged on the inner wall of the long shaft end of the oval hole, and the vertical distance is not more than 8 cm; the spray head comprises a first spray nozzle, a second spray nozzle and a barrel; two inclined planes are respectively arranged at the left and the right of one end of the cylinder body; the first nozzle and the second nozzle are respectively arranged on two inclined planes of the cylinder body; because during the stirring, a little concrete enters into the clearance space between the upper stirring rod and the lower stirring rod through the gap, after the stirring work is completed, the water pipe is connected to the water pipe connector on the top of the upper stirring rod, and the water flow is sprayed out by the spray head, so that the concrete remained in the clearance space between the upper stirring rod and the lower stirring rod is cleaned.
Because a large amount of concrete particles can enter a gap between the upper stirring rod and the lower stirring rod when the stirring device works, if the stirring device is not cleaned in time, the upper stirring rod descends along with the upper stirring cylinder, and the upper stirring rod and the lower stirring rod are fastened together after the concrete solidifies, so that great inconvenience is brought to the start of next operation, and even structural damage to the stirring rods can be caused; and we found through a lot of experiments:after the operation of the stirring device is completed, if the stirring device is cleaned in time, the water pressure of the cleaning device in the stirring rod is kept within the range of 2.5-3.5Mpa, and concrete particles entering the gap between the upper stirring rod and the lower stirring rod can be effectively cleaned by controlling the sizes of the long axis and the short axis of the elliptical blind hole at the bottom of the upper stirring rod. This technical scheme has preferably, and the major axis of oval blind hole is established as a, and the minor axis is b, and the radius of going up the puddler is r, and the relation between them satisfies: a is2+b2＝r2Wherein 0.79r<a<0.82; when the value of a is smaller, the concrete remained in the gap space between the upper stirring rod and the lower stirring rod is difficult to remove; when the value of a is larger, the wall thickness of the upper stirring rod is smaller, the upper stirring rod is difficult to bear overlarge torque for a long time, and the service life of the upper stirring rod is shorter; when a is 0.8, the concrete remained in the gap space between the upper stirring rod and the lower stirring rod is most easily removed, the service life of the stirring rod is not greatly influenced, and the comprehensiveness is best.
A use method comprises the following specific steps:
a. after the device is brought to an operation site by using a traction device, a gear drives a lower stirring drum to rotate anticlockwise, drives an upper stirring drum to ascend, and further drives an upper stirring rod to move upwards;
b. controlling the corresponding concrete mixing proportion through a control module, and conveying the corresponding aggregate, powder and liquid into a mixing drum through corresponding material conveying devices;
c. the power device drives the upper stirring rod to rotate, so as to drive the lower stirring rod to synchronously rotate, and the concrete in the stirring cylinder is uniformly stirred;
d. after the stirring operation is finished, the cleaning module starts to work, and excess materials remained in a gap space between the upper stirring rod and the lower stirring rod are cleaned through a spray head of a cleaning device in the stirring rod;
e. after the inside cleaning work of puddler accomplished, power device drove gear anticlockwise rotation, and the gear drives down churn clockwise rotation, and churn inner wall clearing device is static, and the washing sword on the churn inner wall clearing device clears away the clout that remains on the churn inner wall, simultaneously, drives the churn and descends.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention has the advantages of compact structure, convenient transportation, high production efficiency, high automation degree and the like;
(2) the stirring drum adopts a vertically-separated structure, and during operation, the lower stirring drum is driven by the gear to rotate anticlockwise so as to drive the upper stirring drum to ascend, so that the stirring volume is increased, and the production efficiency is improved;
(3) after the stirring operation is finished, the cleaning module starts to work, and the cleaning device in the stirring rod cleans residual materials in a gap space between the upper stirring rod and the lower stirring rod through the spray head; the upper stirring rod and the lower stirring rod are prevented from being incapable of stretching after the concrete inside is solidified and sticks to the upper stirring rod and the lower stirring rod, so that the cleanness of a gap space between the upper stirring rod and the lower stirring rod is ensured, and the next operation is facilitated;
(4) after the internal cleaning work of the stirring rod is finished, the power device drives the gear to rotate anticlockwise, the gear drives the lower stirring drum to rotate clockwise, and excess materials remained on the inner wall of the stirring drum are cleaned through the stirring drum inner wall cleaning device, so that the next operation is facilitated; meanwhile, the upper stirring drum descends to lower the gravity center, so that the transportation is convenient, and the stirring drum can quickly move on a relatively rugged road and work in a relatively severe environment;
(5) according to the invention, the top cover is provided with the aggregate feeding hole, the powder interface and the liquid interface, wherein the liquid interface is positioned between the aggregate feeding hole and the powder interface, and in the material conveying process, liquid can form an isolation layer to prevent powder from entering air from the aggregate feeding hole, so that the influence on the environment is greatly reduced, and the accurate control on the concrete mixing ratio is also realized;
(6) the stirring rod is telescopic, so that concrete at each position in the vertical direction can be stirred, on one hand, the stirring efficiency is increased, and the stirring time is shortened; on the other hand, the stirring uniformity of the concrete is realized, so that the quality of the concrete is ensured.
Drawings
FIG. 1 is a general structure view of a road concrete transportation stirring device according to the present invention;
FIG. 2 is a front view of the road concrete transporting and mixing apparatus of the present invention;
FIG. 3 is a top view of the road concrete transporting and mixing apparatus of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3 of the road concrete mixing apparatus according to the present invention;
FIG. 5 is a cross-sectional view of B-B of FIG. 4 of the road concrete mixing apparatus of the present invention;
FIG. 6 is an enlarged view of A in FIG. 5 of the road concrete mixing apparatus according to the present invention;
FIG. 7 is a perspective view of the sprayer head of FIG. 6 of the road concrete mixing apparatus of the present invention;
FIG. 8 is a perspective view of a mixing arm of the road concrete transportation mixing device of the present invention;
FIG. 9 is a horizontal movement transmission structure diagram of a mixing module of the road concrete transportation mixing device according to the present invention;
FIG. 10 is an enlarged view of B in FIG. 9 of the road concrete mixing apparatus according to the present invention;
FIG. 11 is a distribution diagram of the cleaning device for the inner wall of the cylinder of the road concrete transportation stirring device;
FIG. 12 is an enlarged view of C in FIG. 11 of the road concrete mixing apparatus according to the present invention.
In the figure: 1. a base support;
2. a powder storage and supply module; 21. a powder bin; 22. a powder conveying device; 23. a powder metering device;
3. an aggregate storage and supply module; 31. an aggregate bin; 311. a stone silo (311); 312. a sand silo; 32. an aggregate conveying device; 33. an aggregate metering device;
4. a liquid storage supply module;
5. an electronic control module;
6. a stirring module; 61. a lower mixing drum; 62. feeding the mixture into a stirring cylinder; 63. a stirring rod; 631. an upper stirring rod; 632. a lower stirring rod;
7. the stirring mechanism fixing module;
8. a cleaning module; 81. a device for removing the inner wall of the mixing drum; 82. inside cleaning device of puddler.
Detailed Description
The present invention will be described in detail with reference to specific examples.
Example 1
A road concrete transportation stirring device comprises a chassis, a base support 1, a stirring module 6, a powder storage and supply module 2, an aggregate storage and supply module 3, a liquid storage and supply module 4, an electric control module 5, a stirring mechanism fixing module 7 and a cleaning module 8; the base bracket 1 is fixed on the chassis; also includes; the stirring mechanism fixing module 7 is fixed on the base support 1; the stirring module 6 is fixed inside the stirring mechanism fixing module 7; the powder storage and supply module 2, the aggregate storage and supply module 3 and the liquid storage and supply module 4 are all fixed on the base support 1 and are all connected with the stirring module 6; the electric control module 5 is fixed on the base bracket 1; the powder storage and supply module 2, the aggregate storage and supply module 3, the liquid storage and supply module 4, the stirring module 6 and the cleaning module 8 are all connected with the electronic control module 5; the stirring mechanism fixing module 7 comprises a feed hopper; the stirring module 6 comprises an upper stirring cylinder 62, a lower stirring cylinder 61 and a stirring rod 63; the cleaning module 8 comprises a mixing drum inner wall cleaning device 81 and a mixing rod inner cleaning device 82.
The stirring mechanism fixing module 7 further comprises a circular track, an annular track and a guide post; the lower mixing drum 61 is connected with a circular track at the bottom through a ball; the guide posts are fixed on two sides of the stirring module 6; the lower stirring cylinder 61 is of a cylindrical structure; the annular track is sleeved at the top end of the outer side of the lower stirring cylinder (61); the outer side of the top end of the lower stirring cylinder 61 is provided with an inclined plane structure and is connected with the annular track through a ball; the bottom of the upper mixing drum 62 is inserted into the top of the lower mixing drum 61; a first annular bulge is arranged on the inner wall of the top of the lower stirring cylinder 61, a thread structure is arranged on the inner wall of the first annular bulge, and a thread structure corresponding to the inner wall of the first annular bulge is arranged on the outer wall of the upper stirring cylinder 62; a second annular bulge is arranged on the outer wall of the bottom of the upper stirring cylinder 62, and the gap between the second annular bulge and the inner wall of the lower stirring cylinder 61 is 2-3 mm; the bottom of the lower stirring cylinder 61 is connected with the circular track through a ball, and the outer side of the top of the lower stirring cylinder 61 is provided with an inclined plane structure and is connected with the annular track through the ball; and connecting rods are arranged on two sides of the upper stirring cylinder 62, one end of each connecting rod is connected with the upper stirring cylinder 62, and the other end of each connecting rod is sleeved with the guide post.
The stirring mechanism fixing module 7 further comprises a gear, and teeth meshed with the gear are arranged on the outer wall of the bottom of the lower stirring cylinder 61.
The stirring rod 63 comprises an upper stirring rod 631 and a lower stirring rod 632; the upper stirring rod 631 is of a cylindrical structure and is connected with the upper stirring cylinder 62 through a bearing, the side surface of the upper stirring rod 632 is provided with a strip-shaped groove structure, and the bottom of the upper stirring rod is provided with an oval blind hole structure; the lower stirring rod 632 is of an oval structure, and the top of the lower stirring rod is inserted into an oval blind hole at the bottom of the upper stirring rod 631; stirring blade structures are arranged on the two sides of the upper stirring rod 631 and the lower stirring rod 632 and are staggered with each other, and the stirring blades of the lower stirring rod 632 penetrate through the strip-shaped groove structures on the upper stirring rod 632; the bottom of the lower stirring rod 632 is rotatably connected with the lower stirring cylinder 61.
The stirring cylinder inner wall removing device 81 comprises a cleaning knife, a fixed shaft and a spring; the bottom of the lower stirring cylinder 61 is provided with a threaded hole structure; the bottom of the fixed shaft is provided with an external thread structure matched with the threaded hole structure on the bottom of the lower stirring cylinder 61; the cleaning knife is hinged with the lower stirring cylinder 61 through a fixed shaft; the bottom of the lower stirring cylinder 61 is provided with a lug which is provided with a square hole structure; one end of the spring is connected with the cleaning knife, and the other end of the spring is connected with a lug on the lower stirring cylinder 61; the spring is in a stretched state.
The top of the upper mixing drum 62 is provided with an aggregate feeding hole, a powder interface and a liquid interface, wherein the liquid interface is positioned between the aggregate feeding hole and the powder interface; the feed hopper is positioned above the aggregate feed inlet; the powder storage and supply module 2 comprises a powder bin 2, a powder conveying device 2 and a powder metering device 2; the discharge hole of the powder bin 2 is connected with the feed inlet of the powder conveying device 2; the powder conveying device 2 is a spiral conveying device; the discharge hole of the powder conveying device 2 is fixed at the top of the stirring mechanism fixing module 7 and is connected with the powder metering device 2 through an elastic channel; the powder metering device 2 is connected with a powder interface on the upper mixing drum 62. The aggregate storage and supply module 3 comprises an aggregate bin 2, an aggregate conveying device 32 and an aggregate metering device; the aggregate bin 2 comprises an aggregate bin 2 and a sand bin 2, the aggregate metering device 33 comprises a stone metering device and a sand metering device, and the aggregate conveying device 32 is in crawler-type conveying; the discharge ports of the stone material bin 2 and the sand material bin 2 are respectively positioned above the feed ports of the stone material metering device and the sand material metering device, and the discharge ports of the stone material metering device and the sand material metering device are positioned above the feed position of the aggregate conveying device 32; the discharging position of the aggregate conveying device 32 is positioned above the feeding hopper on the stirring mechanism fixing module 7. The liquid storage and supply module 4 comprises a liquid storage bin, a liquid metering device and a liquid conveying device; the outlet of the liquid storage bin is connected with a liquid metering device; the outlet of the liquid metering device is connected with a liquid conveying device, and the outlet of the liquid conveying device is connected with a liquid interface on the upper mixing drum 62.
The stirring rod internal cleaning device 82 comprises a plurality of spray heads, a first water pipe connector and a second water pipe connector; a water flow channel with a circular section is arranged inside the upper stirring rod 631, the water flow channel comprises a plurality of branch flow channels, a first main flow channel and a second main flow channel, and the first main flow channel and the second main flow channel are respectively connected with a first water pipe connector and a second water pipe connector which are positioned on the top of the upper stirring rod 631; one end of the branch channel is connected with the main stream channel, and the other end of the branch channel is connected with the corresponding spray head; the spray heads are all arranged on the inner wall of the long shaft end of the oval hole, the vertical distance between the spray heads is not more than 8cm, and each spray head comprises a first spray nozzle, a second spray nozzle and a cylinder body; two inclined planes are respectively arranged at the left and the right of one end of the cylinder body; the first nozzle and the second nozzle are respectively arranged on two inclined planes of the cylinder body.
The upper stirring rod 631 is of a cylindrical structure; the major axis of the oval blind hole is 8cm, the minor axis is 6cm, and the radius of the upper stirring rod 631 is 10 cm.
The equipment of the embodiment is applied to a certain highway reconstruction project, and is paved with the width of 10m, the thickness of 12cm and the length of 600m on site; the road concrete transportation stirring device is about 50km away from a construction site, the road concrete transportation stirring device is selected, a tractor is taken to the road concrete transportation stirring device to reach the operation site after 1 hour according to the speed of 50km per hour, the debugging is carried out rapidly, the production is put into operation, and the operation is completed within 1 hour; starting a power device, adding raw materials by using an excavator, and simultaneously, driving a gear to rotate clockwise by the power device to drive a lower stirring drum 61 to rotate anticlockwise and drive an upper stirring drum 62 to ascend so as to increase the stirring volume; the mix proportion of the concrete is controlled by an electric control module 5; the production efficiency of the road concrete transportation stirring device is about 68m when the production is started3And h, the concrete is good in pouring result, the strength meets the planning requirement, and the pouring is completed within 10.6 hours. After the stirring operation is completed, the cleaning module 8 starts to work, a water pipe is connected to a water pipe joint on the top of the upper stirring rod 631, the surplus material remained in the gap space between the upper stirring rod 631 and the lower stirring rod 632 is cleaned through the spray head, the cleaning is completed within 12 minutes, and 96% of the surplus material remained in the gap space between the upper stirring rod 631 and the lower stirring rod 632 is cleaned; then the power device drives the gear to rotate anticlockwise, the gear drives the lower mixing drum 61 to rotate clockwise, excess materials remained on the inner wall of the mixing drum are removed through the mixing drum inner wall removing device 81, and the process is finished after 7 minutes; meanwhile, the upper mixing drum 62 descends to lower the center of gravity; in addition, the transportation and debugging take about 13 hours to complete the work, and compared with the traditional construction mode, the operation efficiency is greatly improved.
Example 2
The same as example 1, except that: the major axis of the oval blind hole is 7.5cm, the minor axis is 6.6cm, and the radius of the upper stirring rod 631 is 10 cm.
The equipment of the embodiment is applied to a certain highway reconstruction project, and is paved with the width of 15m, the thickness of 10cm and the length of 400m on site; the road concrete transportation stirring device is about 75km away from a construction site, the road concrete transportation stirring device is selected, and the tractor is taken to the road concrete transportation stirring device to reach the operation site after 1.5 hours according to the speed of 50km per hour, and then the road concrete transportation stirring device is rapidly debugged and put into production to complete within 1 hour; starting a power device, adding raw materials by using an excavator, and simultaneously, driving a gear to rotate clockwise by the power device to drive a lower stirring drum 61 to rotate anticlockwise and drive an upper stirring drum 62 to ascend so as to increase the stirring volume; the mix proportion of the concrete is controlled by an electric control module 5; the production efficiency of the road concrete transportation stirring device is about 68m when the production is started3And h, the concrete is good in pouring result, the strength meets the planning requirement, and the pouring is completed within 9 hours. After the stirring operation is completed, the cleaning module 8 starts to work, a water pipe is connected to a water pipe joint on the top of the upper stirring rod 631, the surplus material remained in the gap space between the upper stirring rod 631 and the lower stirring rod 632 is cleaned through the spray head, after 12 minutes, 72% of the surplus material remained in the gap space between the upper stirring rod 631 and the lower stirring rod 632 is cleaned, the cleaning is continued, after 8 minutes, 11% of the surplus material remained in the gap space between the upper stirring rod 631 and the lower stirring rod 632 is cleaned, and the cleaning requirement is difficult to achieve; then, manually disassembling, assembling and cleaning are carried out for 2 hours, then a power device drives a gear to rotate anticlockwise, the gear drives a lower stirring drum 61 to rotate clockwise, excess materials remained on the inner wall of the stirring drum are removed through a stirring drum inner wall removing device 81, and the operation is completed after 6 minutes; meanwhile, the upper mixing drum 62 descends to lower the center of gravity; in addition, the transportation and debugging take about 14 hours to complete the work, and although the working efficiency is greatly improved compared with the traditional construction mode, too much manpower and material resources are wasted when the stirring rod is cleaned.
Example 3
The same as example 1, except that: the major axis of the oval blind hole is 9cm, the minor axis is 4.4cm, and the radius of the upper stirring rod 631 is 10 cm.
The equipment of the embodiment is applied to a certain highway reconstruction project, and the existing pavement is 15m in width, 12cm in thickness and 1500m in length; the road concrete transportation stirring device is about 100km away from a construction site, the road concrete transportation stirring device is selected, a tractor is taken to the road concrete transportation stirring device to reach the operation site after 2 hours according to the speed of 50km per hour, the debugging is carried out rapidly, the production is put into operation, and the operation is completed within 1 hour; starting a power device, adding raw materials by using an excavator, and simultaneously, driving a gear to rotate clockwise by the power device to drive a lower stirring drum 61 to rotate anticlockwise and drive an upper stirring drum 62 to ascend so as to increase the stirring volume; the mix proportion of the concrete is controlled by an electric control module 5; the production efficiency of the road concrete transportation stirring device is about 68m when the production is started3The pouring result is that the concrete is good, the strength meets the planning requirement, the upper stirring rod 631 is structurally damaged after the continuous high-strength work is carried out for 25 hours, and the construction is finished after the device and equipment in the embodiment 1 are replaced; due to the damage of the equipment, the progress of the project is delayed, and the construction cost is increased.
Claims (9)
1. A road concrete transportation stirring device comprises a chassis, a base support (1) and a stirring module (6); the base support (1) is fixed on the chassis; the method is characterized in that: the device also comprises a powder storage and supply module (2), an aggregate storage and supply module (3), a liquid storage and supply module (4), an electric control module (5), a stirring mechanism fixing module (7) and a cleaning module (8); the stirring mechanism fixing module (7) is fixed on the base support (1); the stirring module (6) is fixed inside the stirring mechanism fixing module (7); the powder storage and supply module (2), the aggregate storage and supply module (3) and the liquid storage and supply module (4) are all fixed on the base support (1) and are all connected with the stirring module (6); the electric control module (5) is fixed on the base bracket (1); the powder storage and supply module (2), the aggregate storage and supply module (3), the liquid storage and supply module (4), the stirring module (6) and the cleaning module (8) are all connected with the electric control module (5); the stirring mechanism fixing module (7) comprises a feed hopper; the stirring module (6) comprises an upper stirring cylinder (62), a lower stirring cylinder (61) and a stirring rod (63); the cleaning module (8) comprises a stirring cylinder inner wall cleaning device (81) and a stirring rod inner cleaning device (82);
the stirring mechanism fixing module (7) further comprises a circular track, an annular track and a guide column; the lower stirring cylinder (61) is connected with a circular track at the bottom of the lower stirring cylinder through a ball bearing; the guide columns are fixed on two sides of the stirring module (6); the lower mixing drum (61) is of a cylindrical structure; the annular track is sleeved at the top end of the outer side of the lower stirring cylinder (61); the outer side of the top end of the lower stirring cylinder (61) is provided with an inclined surface structure and is connected with the annular track through a ball; the bottom of the upper stirring cylinder (62) is inserted into the top of the lower stirring cylinder (61); a first annular bulge is arranged on the inner wall of the top of the lower stirring cylinder (61), a thread structure is arranged on the inner wall of the first annular bulge, and a thread structure corresponding to the inner wall of the first annular bulge is arranged on the outer wall of the upper stirring cylinder (62); a second annular bulge is arranged on the outer wall of the bottom of the upper stirring cylinder (62), and the gap between the second annular bulge and the inner wall of the lower stirring cylinder (61) is 2-3 mm; and connecting rods are arranged on two sides of the upper stirring cylinder (62), one end of each connecting rod is connected with the upper stirring cylinder (62), and the other end of each connecting rod is sleeved with the guide post.
2. A road concrete transportation mixing apparatus as claimed in claim 1, wherein: the stirring mechanism fixing module (7) further comprises a gear, and teeth meshed with the gear are arranged on the outer wall of the bottom of the lower stirring cylinder (61).
3. A road concrete transportation mixing apparatus as claimed in claim 1, wherein: the stirring cylinder inner wall removing device (81) comprises a cleaning knife, a fixed shaft and a spring; the bottom of the lower stirring cylinder (61) is provided with a threaded hole structure; the bottom of the fixed shaft is provided with an external thread structure matched with the threaded hole structure on the bottom of the lower stirring cylinder (61); the cleaning knife is hinged with the lower stirring cylinder (61) through a fixed shaft; the bottom of the lower stirring cylinder (61) is provided with a lug; one end of the spring is connected with the cleaning knife, the other end of the spring is connected with a lug on the lower stirring cylinder (61), and the spring is in a stretching state.
4. A road concrete transportation mixing apparatus as claimed in claim 1, wherein: the top of the upper stirring cylinder (62) is provided with an aggregate feeding hole, a powder interface and a liquid interface, wherein the liquid interface is positioned between the aggregate feeding hole and the powder interface; the feed hopper is positioned above the aggregate feed inlet; the powder storage and supply module (2) comprises a powder bin (21), a powder conveying device (22) and a powder metering device (23); the discharge hole of the powder bin (21) is connected with the feed inlet of the powder conveying device (22); the powder conveying device (22) is a spiral conveying device; the discharge hole of the powder conveying device (22) is fixed at the top of the stirring mechanism fixing module (7) and is connected with the powder metering device (23) through an elastic channel; the powder metering device (23) is connected with a powder interface on the upper stirring cylinder (62); the aggregate storage and supply module (3) comprises an aggregate bin (31), an aggregate conveying device (32) and an aggregate metering device (33); the aggregate bin (31) comprises an aggregate bin (311) and a sand bin (312), the aggregate metering device (33) comprises a stone metering device and a sand metering device, and the aggregate conveying device (32) is in crawler-type conveying; the discharge ports of the stone material bin (311) and the sand material bin (312) are respectively positioned above the feed ports of the stone material metering device and the sand material metering device, and the discharge ports of the stone material metering device and the sand material metering device are positioned above the feed position of the aggregate conveying device (32); the discharge position of the aggregate conveying device (32) is positioned above the feed hopper on the stirring mechanism fixing module (7); the liquid storage and supply module (4) comprises a liquid storage bin, a liquid metering device and a liquid conveying device; the outlet of the liquid storage bin is connected with a liquid metering device; the outlet of the liquid metering device is connected with a liquid conveying device, and the outlet of the liquid conveying device is connected with a liquid interface on the upper stirring drum (62).
5. A road concrete transportation mixing apparatus as claimed in any one of claims 1, 2 and 4, wherein: the stirring rod (63) comprises an upper stirring rod (631) and a lower stirring rod (632); the upper stirring rod (631) is of a cylindrical structure and is connected with the upper stirring cylinder (62) through a bearing, a strip-shaped groove structure is arranged on the side surface of the upper stirring rod (632), and an oval blind hole structure is arranged at the bottom of the upper stirring rod; the lower stirring rod (632) is of an oval structure, and the top of the lower stirring rod is inserted into an oval blind hole at the bottom of the upper stirring rod (631); stirring blade structures are arranged on the two sides of the upper stirring rod (631) and the lower stirring rod (632) and are staggered with each other, and the stirring blades of the lower stirring rod (632) penetrate through the strip-shaped groove structures on the upper stirring rod (632); the bottom of the lower stirring rod (632) is rotationally connected with the lower stirring cylinder (61).
6. A road concrete transportation mixing apparatus according to claim 5, wherein: the stirring rod internal cleaning device (82) comprises a plurality of spray heads, a first water pipe connector and a second water pipe connector; the first water pipe connector and the second water pipe connector are positioned on the top of the upper stirring rod (631); a water flow channel with a circular section is arranged in the upper stirring rod (631), the water flow channel comprises a plurality of branch flow channels, a first main flow channel and a second main flow channel, and the first main flow channel and the second main flow channel penetrate through the top of the upper stirring rod (631) and are respectively connected with a first water pipe connector and a second water pipe connector; one end of the branch channel is connected with the main stream channel, and the other end of the branch channel is connected with the corresponding spray head; the spray heads are all arranged on the inner wall of the long shaft end of the oval hole, and the vertical distance is not more than 8 cm; the water pressure of the cleaning device (82) in the stirring rod is 2.5-3.5 Mpa; the major axis of the oval blind hole is set as a/cm, the minor axis is b/cm, the radius of the upper stirring rod (631) is r/cm, and the relationship between the major axis and the minor axis is as follows: a is2+b2＝r2Wherein 0.79r<a<0.82r。
7. A road concrete transportation mixing apparatus according to claim 6, wherein: and a is 0.8 r.
8. A road concrete transportation mixing apparatus according to claim 6, wherein: the spray head comprises a first spray nozzle, a second spray nozzle and a barrel; two inclined planes are respectively arranged at the left and the right of one end of the cylinder body; the first nozzle and the second nozzle are respectively arranged on two inclined planes of the cylinder body.
9. A using method comprises the following steps:
a. after the device of claim 1 is brought to a working site by using a traction device, the gear drives the lower stirring cylinder (61) to rotate anticlockwise, the upper stirring cylinder (62) is driven to ascend, and the upper stirring rod (631) is driven to move upwards;
b. controlling the corresponding concrete mixing proportion through a control module, and conveying the corresponding aggregate, powder and liquid into a mixing drum through corresponding material conveying devices;
c. the power device drives the upper stirring rod (631) to rotate, and further drives the lower stirring rod (632) to synchronously rotate, so that the concrete in the stirring cylinder is uniformly stirred;
d. after the stirring operation is finished, the cleaning module (8) starts to work, and residual materials in a gap between the upper stirring rod (631) and the lower stirring rod (632) are cleaned through a spray head of a cleaning device in the stirring rod (63);
e. after the cleaning work inside the stirring rod (63) is completed, the power device drives the gear to rotate anticlockwise, the gear drives the lower stirring drum (61) to rotate clockwise, the stirring drum inner wall cleaning device (81) is static, the cleaning knife on the stirring drum inner wall cleaning device (81) cleans residual materials remained on the inner wall of the stirring drum, and meanwhile, the upper stirring drum (62) is driven to descend.
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| CN201711137508.6A CN107718314B (en) | 2017-11-16 | 2017-11-16 | Highway concrete transportation stirring device and using method thereof |
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| CN201711137508.6A CN107718314B (en) | 2017-11-16 | 2017-11-16 | Highway concrete transportation stirring device and using method thereof |
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| CN108905865B (en) * | 2018-07-16 | 2019-09-27 | 李永铭 | A kind of highway concrete mixed in transit device and its application method |
| CN109026071B (en) * | 2018-09-30 | 2023-07-28 | 四川蓝海智能装备制造有限公司 | Wet-spraying concrete trolley capable of being used in dry and wet modes |
| CN109465963B (en) * | 2018-12-27 | 2020-08-11 | 中车建设工程有限公司 | Building construction concrete mixing plant uses integration mixer |
| CN110435011A (en) * | 2019-07-23 | 2019-11-12 | 宜昌益智建材有限责任公司 | Concrete moves production equipment |
| CN110587814A (en) * | 2019-10-12 | 2019-12-20 | 海盐达贝尔新型建材有限公司 | Light masonry mortar production line for self-heat-insulation system of matched wall |
| CN112759308A (en) * | 2021-01-05 | 2021-05-07 | 桐乡市鑫联混凝土有限公司 | Cold-resistant concrete and preparation method thereof |
| CN112829057A (en) * | 2021-01-27 | 2021-05-25 | 海娇 | Concrete agitating unit that sieves |
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| FR1488382A (en) * | 1966-06-02 | 1967-07-13 | Improvements to portable motor-driven coating machines | |
| CN203579899U (en) * | 2013-12-10 | 2014-05-07 | 石家庄铁道大学 | Quick mobile concrete mixing plant |
| CN204136231U (en) * | 2014-08-11 | 2015-02-04 | 高惠冰 | A kind of mixer |
| CN204485716U (en) * | 2015-03-30 | 2015-07-22 | 梅县梅雁旋窑水泥有限公司 | A kind of manufacture of cement special agitating apparatus |
| CN204973743U (en) * | 2015-07-31 | 2016-01-20 | 江苏祥豪实业有限公司 | A particle feedstock agitating unit for water treatment agent production |
| CN105171917B (en) * | 2015-08-14 | 2017-11-21 | 安徽固维特材料科技有限公司 | A kind of portable modified engineering soil agitating device |
| CN205835678U (en) * | 2016-07-12 | 2016-12-28 | 林社杰 | A kind of construction of hydro project concrete batch plant |
| CN206416320U (en) * | 2017-01-17 | 2017-08-18 | 上海申昆混凝土集团有限公司 | A kind of concrete central mix plant |
| CN107053475B (en) * | 2017-05-05 | 2019-05-14 | 阜阳市华顺水泥制品有限公司 | A kind of highly effective coagulation soil stirring equipment |
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