CN213949918U - Air flow type concrete conveying equipment - Google Patents
Air flow type concrete conveying equipment Download PDFInfo
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- CN213949918U CN213949918U CN202021271053.4U CN202021271053U CN213949918U CN 213949918 U CN213949918 U CN 213949918U CN 202021271053 U CN202021271053 U CN 202021271053U CN 213949918 U CN213949918 U CN 213949918U
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Abstract
The embodiment of the utility model relates to the technical field of concrete conveying, in particular to an air-flowing type concrete conveying device, which comprises a conveying pipeline, a ventilating dust-proof piece, an air supply pipe and a guide plate, wherein the ventilating dust-proof piece is arranged along the length direction of the conveying pipeline and divides the conveying pipeline into an upper feeding area and a lower conveying airflow area; the first end of the air inlet pipe penetrates through the conveying pipeline and then is communicated to the conveying air flow region, and the second end of the air supply pipe is communicated to a high-pressure air source; the bottom of guide plate is located pipeline to the lower extreme of guide plate is fixed in the bottom of carrying the air current district, and the lower extreme of guide plate is located the place ahead of the first end of intake pipe and the lower extreme of guide plate is close to with the first end of intake pipe, and the upper end of guide plate upwards, extends backward. The utility model discloses beneficial effect does: the stable and continuous conveying of the concrete is ensured; the problem that the impact of the auger conveyor on the motor and the transmission mechanism between the motor and the auger is large does not exist, and the problem of dust raising does not exist.
Description
Technical Field
The utility model relates to a concrete feeding technical field, concretely relates to air-flowing type concrete conveying equipment.
Background
The concrete, which has not been mixed with water, is transported in many cases, for example to a hopper or a discharge vessel. The concrete conveying equipment comprises a packing auger conveyor and a belt conveyor. During the operation of the auger conveyor, the problem of the rotation of the auger is as follows: the concrete is extruded between the packing auger and the shell, so that the concrete is compacted and cannot be conveyed; the auger conveyor continuously conveys, and when the power grid is abnormally cut off (unstable or man-made misoperation of the power grid and the like), the load of a motor for driving the auger to rotate and a transmission mechanism between the motor and the auger is greatly increased due to the extrusion of the concrete which is not conveyed out, the requirement on the load of the motor is high (the damage risk is large), and the impact on the power grid is large. The belt conveyor has the problems that dust is mainly raised, concrete is in an open environment or a semi-open environment (a cover is fixed outside a belt) in the belt conveying process, the dust is serious, and the environment is polluted.
Therefore, there is a need for an apparatus for air-flowing concrete transporting equipment that overcomes the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, namely solving the problems of the auger conveyor: the concrete can not be stably and continuously conveyed, and the large impact on the motor and a transmission mechanism between the motor and the auger is avoided; the embodiment of the utility model provides a raise dust problem that band conveyer exists, the utility model provides an air-flowing type concrete conveying equipment, it includes pipeline, ventilative dust-proof piece, intake pipe and guide plate, wherein:
the air-permeable dust-proof piece is arranged along the length direction of the conveying pipeline and divides the conveying pipeline into an upper feeding area and a lower conveying airflow area, and the air-permeable dust-proof piece is made of porous materials;
the first end of the air inlet pipe penetrates through the conveying pipeline and then is communicated to the conveying airflow region, and the second end of the air inlet pipe is communicated to a high-pressure air source;
the bottom of the guide plate is positioned in the conveying pipeline, the lower end of the guide plate is fixed at the bottom of the conveying airflow area, the lower end of the guide plate is positioned in front of the first end of the air inlet pipe and is closely adjacent to the first end of the air inlet pipe, and the upper end of the guide plate extends upwards and backwards.
Further, the first end of the air inlet pipe is located at the bottom of the conveying airflow zone.
Further, the intake pipe includes that the air inlet is responsible for and the branch pipe admits air, wherein:
the number of the air inlet branch pipes is at least two, the first ends of the at least two air inlet branch pipes penetrate through the conveying pipeline and then are communicated with the conveying airflow region, the second ends of the at least two air inlet branch pipes are communicated with the air inlet main pipe, and the air inlet main pipe is communicated with a high-pressure air source;
the at least two air inlet branch pipes are uniformly arranged along the length direction of the conveying pipeline.
Further, an included angle between the extending direction of the first ends of the at least two air inlet branch pipes and the direction in which the concrete is conveyed is an obtuse angle.
Furthermore, the cross section of the conveying pipeline is rectangular, and the at least two air inlet branch pipes are transversely and uniformly arranged.
Furthermore, each air inlet branch pipe is provided with an air valve.
Furthermore, one guide plate is arranged corresponding to each air inlet branch pipe, and a first gap is reserved between any two adjacent guide plates;
and a second gap is reserved between any two adjacent guide plates in the length direction of the conveying pipeline.
Furthermore, the vertical flow limiting plate is arranged along the length direction of the conveying pipeline and is parallel to the air-permeable dust-isolating piece.
Further, the air-permeable dust-proof piece is fixed on the upper surface of the vertical flow limiting plate.
Further, the height between the front end of the vertical flow limiting plate and the air-permeable dust-proof piece is gradually increased along the direction in which the concrete is conveyed.
The utility model discloses beneficial effect does:
the high-pressure air source enters the conveying airflow zone through the air inlet pipe, the airflow of the guide plate is guided, so that the high-pressure air flows in a single direction, the airflow in the single direction flows forwards, a forward acting force is generated on concrete (in a state of not adding water and dust) on the air-permeable dust-proof part, and the concrete is conveyed forwards under the driving of the forward acting force;
the air-permeable dust-proof piece is made of porous materials, so that high-pressure air flow can smoothly pass through the air-permeable dust-proof piece, and the high-pressure air flow generates upward acting force on the concrete above the air-permeable dust-proof piece after passing through the air-permeable dust-proof piece, so that the concrete above the air-permeable dust-proof piece is in a suspension state, the friction between the air-permeable dust-proof piece and the air-permeable dust-proof piece in the concrete conveying process is avoided, the conveying efficiency and the energy consumption of a high-pressure air source are increased, and the concrete;
even if the air compressor is actively stopped or the high-pressure air source is abnormal (the air compressor is not operated due to power failure, faults and the like or the air inlet pipe is failed to be connected), the concrete can temporarily fall on the ventilating dust-proof piece, and the concrete can be normally conveyed after the air compressor is started or the high-pressure air source is normally connected after the faults are eliminated;
the problem that the impact of the auger conveyor on the motor and the transmission mechanism between the motor and the auger is large does not exist, and the problem of dust raising does not exist.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an air-flowing concrete conveying apparatus, showing a state in which concrete is being conveyed;
FIG. 2 is an enlarged view of a portion of region Z of FIG. 1;
FIG. 3 is an enlarged view of a portion of region Y of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic structural view of an embodiment of the air flow type concrete conveying equipment, wherein a state that the concrete is stopped to be conveyed is shown.
In the figure:
100. a delivery conduit; 110. a feeding zone; 120. a conveying airflow zone;
200. a breathable dust-proof element;
300. an air inlet pipe; 310. a main air inlet pipe; 320. air inlet branch pipes; 330. an air inlet included angle;
400. a baffle;
500. an air valve;
600. a vertical restrictor plate; 610. flow guiding chamfering; 620. air holes are formed;
700. and (3) concrete.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Referring to fig. 1 to 6, for simplicity of description, the directions involved in the embodiments of the present invention are defined as follows: the rear is in the direction of arrow T in fig. 1 and 2, the front is opposite the rear, the upper is in the upper direction in fig. 1, and the lower is opposite the upper. The embodiment of the utility model discloses air-flowing type concrete conveying equipment, including pipeline 100, ventilative dust-proof piece 200, intake pipe 300 and guide plate 400, wherein:
the air-permeable dust-proof piece is arranged along the length direction of the conveying pipeline and divides the conveying pipeline into an upper feeding area 110 and a lower conveying airflow area 120, and the air-permeable dust-proof piece is made of porous materials;
the first end of the air inlet pipe penetrates through the conveying pipeline and then is communicated to the conveying air flow area, and the second end of the air inlet pipe is communicated to a high-pressure air source;
the bottom of guide plate is located pipeline to the lower extreme of guide plate is fixed in the bottom of carrying the air current district, and the lower extreme of guide plate is located the place ahead of the first end of intake pipe and the lower extreme of guide plate is close to with the first end of intake pipe, and the upper end of guide plate upwards, ranging back, as shown in fig. 2 the contained angle between the length direction of guide plate and pipeline is air inlet contained angle 330.
The high-pressure air source enters the conveying airflow zone through the air inlet pipe, the airflow of the guide plate is guided, so that the high-pressure air flows in a single direction, the airflow in the single direction flows forwards, a forward acting force is generated on the concrete 700 (in a state of no water and dust) on the air-permeable dust-proof part, and the concrete is conveyed forwards under the driving of the forward acting force;
the air-permeable dust-proof piece is made of porous materials, so that high-pressure air flow can smoothly pass through the air-permeable dust-proof piece, and the high-pressure air flow generates upward acting force on the concrete above the air-permeable dust-proof piece after passing through the air-permeable dust-proof piece, so that the concrete above the air-permeable dust-proof piece is in a suspension state, the friction between the air-permeable dust-proof piece and the air-permeable dust-proof piece in the concrete conveying process is avoided, the conveying efficiency and the energy consumption of a high-pressure air source are increased, and the concrete can be stably and continuously conveyed;
even if the air compressor is actively stopped or the high-pressure air source is abnormal (the air compressor is not operated due to power failure, faults and the like or the air inlet pipe is failed to be connected), the concrete can temporarily fall on the ventilating dust-proof piece, and the concrete can be normally conveyed after the air compressor is started or the high-pressure air source is normally connected after the faults are eliminated;
the problem that the impact of the auger conveyor on the motor and the transmission mechanism between the motor and the auger is large does not exist, and the problem of dust raising does not exist.
In addition, the ventilating dust-proof piece can use ventilating cloth, and can also use a plate with meshes. When the breathable cloth is used, the breathable cloth is blown along with the air flow and slightly swings.
It should be noted that the first end of the inlet pipe is located at the bottom of the transport airflow zone. The air is fed from the bottom of the conveying airflow area, and the air flows backwards from bottom to top under the combined action of the guide plates, namely, the main action is backwards, the secondary action is upwards, the main action and the secondary action can be realized by adjusting the included angle of the guide plates relative to the bottom of the conveying pipeline, the smaller the included angle is between the airflow flowing out from the upper ends of the guide plates relative to the bottom of the conveying pipeline is, the larger the backward action is, and conversely, the larger the included angle is, the larger the upward action is, and comprehensive tests and adjustment can be carried out according to the conveying efficiency (the volume of concrete conveyed in unit time) requirements, the weight born by the air-permeable dust-proof piece and other parameters in practical use.
In addition, the intake duct includes an intake main duct 310 and an intake branch duct 320, in which:
the number of the air inlet branch pipes is at least two, the first ends of the at least two air inlet branch pipes penetrate through the conveying pipeline and then are communicated with the conveying airflow zone, the second ends of the at least two air inlet branch pipes are communicated with the air inlet main pipe, and the air inlet main pipe is communicated with the high-pressure air source;
at least two air inlet branch pipes are uniformly arranged along the length direction of the conveying pipeline. The air flow enters the conveying airflow zone through at least two positions (corresponding to at least two air inlet branch pipes), so that at least two-stage effects (such as the backward propelling effect and the upward blowing effect) are provided for the concrete, and the stable and continuous conveying of the concrete is further ensured.
In addition, the included angle between the extending direction of the first ends of the at least two air inlet branch pipes and the direction (rear direction) of concrete conveying is an obtuse angle. The setting makes the baffle angle increase foretell effect backward under the prerequisite fixedly, and the baffle is located pipeline, adopts the fixed therefore angle modulation inconvenient of welding mode usually, can adjust the baffle angle only to adjust the inclination of the branch pipe of admitting air and can increase foretell effect backward's proportion.
In addition, the cross section of the conveying pipeline is rectangular, and at least two air inlet branch pipes are transversely and uniformly arranged.
In addition, each air distribution pipe is provided with an air valve 500. Each pneumatic valve individual control a department air current break-make, the velocity of flow of admitting air to be convenient for adjust the operating condition (open and close and the aperture) of this pneumatic valve that corresponds according to the concrete transportation condition of each department, in addition, in order to obtain the concrete transportation condition of each department, can set up a plurality of observation holes on pipeline, install transparent observation window on every observation hole, can install the light in observation window next door, pipeline in order to further promote observation effect.
It should be further noted that a guide plate is respectively arranged corresponding to each air inlet branch pipe, and a first gap is reserved between any two adjacent guide plates, so that the resistance to the backward movement of the air flow is reduced;
and a second gap is reserved between any two adjacent guide plates in the length direction of the conveying pipeline, so that the resistance of the backward movement of the airflow is further reduced.
Through the arrangement of the first gap and the second gap, a gap is formed between any two adjacent guide plates, so that air flow can smoothly pass through the gap.
In some embodiments, the air duct further comprises a vertical restrictor plate 600 arranged along the length of the air duct, the vertical restrictor plate being parallel to the air permeable dust barrier. Along the length direction of the conveying pipeline, the vertical flow limiting plate is positioned in the middle of the upper ends of any two adjacent guide plates, so that the air flow blown to the lower surface of the vertical flow limiting plate returns, the upward action of the air flow can be weakened, and the flexibility of backward and upward adjustment of the air flow is further improved. Meanwhile, the vertical restrictor plate is provided with air holes 620 so as to allow air to pass through smoothly.
It should be noted that the air-permeable dust-proof member is fixed on the upper surface of the vertical restrictor plate. Under this setting, vertical current-limiting plate and ventilative dust proof piece can bear the pressure of concrete jointly, can increase the volume that the unit interval concrete was carried (the concrete descends on ventilative dust proof piece after the shut down).
It is further noted that the height from the front end of the vertical restrictor plate to the air-permeable dust-proof member gradually increases along the direction in which the concrete is conveyed to form the diversion chamfer 610. Reducing the effect of the backward action of the airflow.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an air-flowing type concrete conveying equipment which characterized in that, includes pipeline, ventilative dust-proof spare, intake pipe and guide plate, wherein:
the air-permeable dust-proof piece is arranged along the length direction of the conveying pipeline and divides the conveying pipeline into an upper feeding area and a lower conveying airflow area, and the air-permeable dust-proof piece is made of porous materials;
the first end of the air inlet pipe penetrates through the conveying pipeline and then is communicated to the conveying airflow region, and the second end of the air inlet pipe is communicated to a high-pressure air source;
the bottom of the guide plate is positioned in the conveying pipeline, the lower end of the guide plate is fixed at the bottom of the conveying airflow area, the lower end of the guide plate is positioned in front of the first end of the air inlet pipe and is closely adjacent to the first end of the air inlet pipe, and the upper end of the guide plate extends upwards and backwards.
2. An air flowing concrete conveying apparatus as claimed in claim 1, wherein the first end of the air inlet pipe is located at the bottom of the conveying airflow zone.
3. An air-flowing concrete conveying apparatus according to claim 2, wherein the air intake pipe includes an air intake main pipe and an air intake branch pipe, wherein:
the number of the air inlet branch pipes is at least two, the first ends of the at least two air inlet branch pipes penetrate through the conveying pipeline and then are communicated with the conveying airflow region, the second ends of the at least two air inlet branch pipes are communicated with the air inlet main pipe, and the air inlet main pipe is communicated with a high-pressure air source;
the at least two air inlet branch pipes are uniformly arranged along the length direction of the conveying pipeline.
4. An air-flowing concrete conveying apparatus according to claim 3, wherein the angle between the extending direction of the first ends of the at least two air inlet branch pipes and the direction in which the concrete is conveyed is an obtuse angle.
5. An air-flowing concrete conveying equipment as claimed in claim 3, characterized in that the cross section of the conveying pipeline is rectangular, and the at least two air inlet branch pipes are transversely and uniformly arranged.
6. An air-flowing concrete conveying apparatus according to claim 5, wherein each air inlet branch pipe is provided with an air valve.
7. An air-flowing concrete conveying equipment as claimed in claim 6, characterized in that a deflector is arranged corresponding to each air inlet branch pipe, and a first gap is left between any two adjacent deflectors;
and a second gap is reserved between any two adjacent guide plates in the length direction of the conveying pipeline.
8. An air-flowing concrete conveying apparatus according to claim 7, further comprising a vertical restrictor plate disposed along the length of the conveying pipe, the vertical restrictor plate being parallel to the air-permeable dust barrier.
9. An air-flowing concrete conveying apparatus according to claim 8, wherein the air-permeable dust-separation member is fixed to an upper surface of the vertical choke plate.
10. An air-flowing concrete conveying apparatus according to claim 9, wherein the height from the front end of the vertical choke plate to the air-permeable dust-separation member is gradually increased in the direction in which concrete is conveyed to form a diversion chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271053.4U CN213949918U (en) | 2020-07-02 | 2020-07-02 | Air flow type concrete conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271053.4U CN213949918U (en) | 2020-07-02 | 2020-07-02 | Air flow type concrete conveying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN213949918U true CN213949918U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021271053.4U Active CN213949918U (en) | 2020-07-02 | 2020-07-02 | Air flow type concrete conveying equipment |
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| CN (1) | CN213949918U (en) |
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2020
- 2020-07-02 CN CN202021271053.4U patent/CN213949918U/en active Active
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