CN212153016U - Preparation facilities of coal slime base tunnel bed material - Google Patents
Preparation facilities of coal slime base tunnel bed material Download PDFInfo
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- CN212153016U CN212153016U CN202020706486.1U CN202020706486U CN212153016U CN 212153016 U CN212153016 U CN 212153016U CN 202020706486 U CN202020706486 U CN 202020706486U CN 212153016 U CN212153016 U CN 212153016U
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Abstract
The utility model provides a preparation facilities of coal slime base tunnel bed end material, include: the hopper comprises a plurality of hoppers, namely a first hopper, a second hopper, a third hopper and a fourth hopper, wherein a plurality of partition plates are arranged in the fourth hopper; a vibration screening mechanism is arranged above the second hopper; the belt weighers are arranged below the discharge hole of the hopper, and the belt weighers are also multiple and respectively comprise a first belt weigher, a second belt weigher, a third belt weigher and a fourth belt weigher; a cleaning mechanism is arranged above the fourth belt scale; the mixing bin is arranged below the discharge end of the belt scale; the water tank controls the water yield through an automatic control unit; the blender mixer, the blender mixer with the bottom exit linkage of mixing bunker. The utility model discloses a device can realize automatic continuous feeding, and work efficiency is high, realizes the accurate weighing, and the material stable performance, the time of laying the end is short, and construction cost is low.
Description
Technical Field
The utility model belongs to the technical field of the material of paving the end fast in tunnel, concretely relates to coal slime base tunnel paves preparation facilities of end material.
Background
In the process of tunneling a coal mine stoping roadway, gangue, crushed coal and accumulated water are scattered in the roadway, so that a layer of coal slime and gangue mixture covers a roadway bottom plate, and the roadway is difficult to transport. Meanwhile, for the convenience of pedestrians and transportation, the roadway bottom plate needs to be hardened, concrete or other bedding materials are mainly used for hardening the roadway bottom plate at present, when the materials are adopted for construction, the mixture of coal slime and gangue on the roadway bottom plate needs to be cleaned firstly, a large amount of manpower, material resources and financial resources are wasted, the auxiliary transportation amount of the roadway is increased, and the shortage of mine transportation is caused. Meanwhile, a large amount of time is wasted in coal slime cleaning and gangue transportation, and the construction period is prolonged. In addition, the common concrete material is adopted for paving the bottom, the maintenance time is long, the mine transportation is influenced, and the roadway tunneling cost is increased to a certain extent. Meanwhile, when the roadway bottom plate is hardened, underground construction conditions are crude, and construction cannot be completely carried out according to the design proportion.
The currently adopted hardening construction of the roadway bottom plate has the problems of large transportation quantity, difficult quantification of each component, high construction cost and the like.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a preparation facilities of coal slime base tunnel bed end material mainly solves the tunnelling in-process and easily causes transportation, pedestrian's difficulty, and the tunnel bottom plate sclerosis of adopting at present simultaneously, the problem of ratio accuracy can't be guaranteed to abominable construction conditions.
In order to achieve the above object, the present invention provides the following technical solutions:
a preparation facilities of coal slime base tunnel bed bottom material, the device includes:
the hopper comprises a plurality of hoppers, namely a first hopper, a second hopper, a third hopper and a fourth hopper, wherein a plurality of partition plates are arranged in the fourth hopper, the partition plates divide the interior of the storage bin into a plurality of independent spaces, and a bin gate matched with the independent spaces for use is arranged at the bottom of the fourth hopper; a vibration screening mechanism is arranged above the second hopper;
the belt weighers are arranged below the discharge hole of the hopper, the belt weighers are also multiple and respectively comprise a first belt weigher, a second belt weigher, a third belt weigher and a fourth belt weigher, and the hopper is matched with the belt weighers for use; a cleaning mechanism is arranged above the fourth belt scale;
the mixing bin is arranged below the discharge ends of the belt weighers, and the discharge ends of the belt weighers are arranged above inlets of the mixing bin;
the water outlet end of the water tank is connected with the mixing bin, and the water tank controls the water outlet amount through an automatic control unit;
the blender mixer, the blender mixer with the bottom exit linkage of mixing bunker.
In the above coal slime-based roadway bottom-laying material preparation apparatus, preferably, the sweeping mechanism includes: support column, bearing, connecting rod, sleeve and brush head;
the support column comprises two lateral upright columns and a cross beam for connecting the two upright columns, and the two upright columns are respectively arranged on two sides of the fourth belt scale; the bearing is arranged below the cross beam and is rotationally connected with the connecting rod, and the connecting rod is a telescopic rod; the lower end of the connecting rod is sleeved with a sleeve; the brush head is connected below the sleeve and can clean the surface of the fourth belt scale.
In the above coal slime-based roadway bottom paving material preparation device, preferably, the width of the end face of the brush head is not less than the width of the belt of the fourth belt scale.
The device for preparing the coal slime-based roadway bottom paving material is preferable, the vibration screening mechanism comprises a vibration screen body and a support, the vibration screen body is obliquely fixed on the support, and a screen underflow discharge port of the vibration screen body is arranged above a feed port of the second hopper.
In the above coal slime-based roadway bottom paving material preparation device, preferably, there are three partition plates which partition the fourth hopper into three independent spaces.
In the above coal slime-based roadway bottom paving material preparation device, preferably, the fourth hopper is used for placing additives, and the additives are respectively a water reducing agent, an early strength agent and fibers.
In the above coal slime-based roadway bottom paving material preparation device, preferably, the second hopper is used for placing gangue.
In the device for preparing the coal slime-based roadway bottom paving material, preferably, the bottom of the wall surface of the fourth hopper is provided with a transverse strip-shaped groove, the bin gate penetrates through the groove and is embedded into the bottom of the fourth hopper, and the bin gate is controlled by a motor to be opened and closed in a pushing and pulling manner.
In the above coal slime-based roadway bottoming material preparation device, preferably, the mixer is a forced double-shaft mixer.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the utility model discloses a preparation facilities of coal slime base tunnel bed bottom material can realize automatic continuous reinforced preparation process, improves work efficiency; meanwhile, the feeding amount of each component is accurately controlled, the vibration mechanism arranged in the device can improve the preparation efficiency, and the cleaning mechanism can improve the feeding amount accuracy of the additive and stabilize the performance of the material.
The preparation device of the bottom paving material can realize the quantitative addition of various main materials, additives and water, accurately control the distribution ratio of various components and ensure that the prepared bottom paving material achieves the optimal performance; the bottom paving material prepared by the device is applied to roadway bottom paving, the condensation speed is high, the roadway bottom paving time and the maintenance time can be greatly reduced for roadway bottom plate hardening construction, and the construction cost is reduced.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic structural view of a device for preparing a coal slime-based roadway bottom paving material according to an embodiment of the present invention;
FIG. 2 is a schematic view of the fourth hopper of FIG. 1;
fig. 3 is a schematic structural view of a cleaning mechanism in an embodiment of the present invention;
fig. 4 is a schematic structural view of a positional relationship between the vibratory screening mechanism and the second hopper according to an embodiment of the present invention;
in the figure: 11. a first hopper; 12. a second hopper; 13. a third hopper; 14. a fourth hopper; 2. a belt scale; 21. a first belt scale; 22. a second belt scale; 23. a third belt scale; 24. a fourth belt scale; 3. a mixing bin; 4. a water tank; 5. a mixer; 6. a bin gate; 7. a partition plate; 8. a cleaning mechanism; 81. a column; 82. a cross beam; 83. a bearing; 84. a connecting rod; 85. a sleeve; 86. a bristle head; 9. a vibratory screening mechanism; 91. a vibrating screen body; 92. a support; 93. a screen underflow discharge port; 94. and (4) discharging a screen material.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
As shown in figures 1 to 4, according to the utility model discloses an embodiment provides a preparation facilities of coal slime base tunnel bed bottom material mainly solves the tunnelling in-process and has coal slime, waste rock mixture, easily causes transportation, pedestrian's difficulty. When the roadway bottom plate is hardened, coal slime and gangue in the roadway need to be cleaned firstly, so that auxiliary transportation of a mine is increased, and meanwhile, the accuracy of proportioning cannot be guaranteed under severe construction conditions of the currently adopted roadway bottom plate hardening method. The utility model discloses a bed end material uses coal slime and waste rock in the tunnel as raw and other materials, including main material cement, prepare into quick bed end material with a small amount of additives, can reduce the cleaning procedure of tunnel coal slime and waste rock, has alleviated mine transportation nervous situation, makes the material can reach design strength in 3 days. The adopted raw materials have simple components, the construction process can realize the quantitative addition of the main materials, the additives and the water, the component ratio of each component is accurately controlled, and the material is ensured to achieve the optimal performance. Adopt the utility model discloses preparation facilities can improve work efficiency and the stable performance of paving end material to tunnel bottom plate sclerosis construction.
Due to the particularity of mine construction, the used materials cannot be accurately weighed underground, so that the material preparation proportion cannot be accurately controlled. When a plurality of components are required to be mixed, the error of the construction and preparation process is increased, so that the performance of the bedding material cannot be guaranteed, in addition, the underground construction is generally manual operation, and the preparation process of the bedding material is also influenced by human factors, so that the error of the preparation process of the bedding material is larger and the performance fluctuates.
The utility model provides a preparation facilities of coal slime base tunnel bed end material, include: hopper, belt weigher 2, mixing bunker 3, water tank 4 and blendor 5.
The hopper is provided with a plurality of hoppers, namely a first hopper 11, a second hopper 12, a third hopper 13 and a fourth hopper 14; bin gates 6 are arranged at the bottom of the hopper; the inside division board 7 that is equipped with of fourth hopper 14, division board 7 divide into a plurality of independent spaces with the feed bin is inside, and fourth hopper 14 is used for placing the additive, and every independent space all can hold an additive, realizes the quantitative weighing of every additive and adds.
The embodiment of the utility model provides an in, the inside three division board 7 that is equipped with of fourth hopper 14 forms three independent space, is used for holding water-reducing agent, early strength agent and fibre respectively. The bottom of the fourth hopper 14 is provided with a plurality of bin gates 6 matched with the independent space; preferably, the bottom of the wall surface of the fourth hopper 14 is provided with a transverse strip-shaped groove, the bin gate 6 penetrates through the groove and is embedded into the bottom of the fourth hopper 14, the bin gate 6 is controlled by a motor to be opened and closed in a pushing and pulling manner, and preferably, the bin gate 6 is controlled by a stepping motor to be opened and closed. The bottom parts of the first hopper 11, the second hopper 12 and the third hopper 13 are all provided with bin gates 6, and the bin gates 6 are all push-pull bin gates 6 and are controlled to be opened and closed by a stepping motor.
Preferably, second hopper 12 is used for placing the waste rock, the embodiment of the utility model provides an in the waste rock that adopts be the fine waste rock after the crushing treatment, so the top of second hopper 12 is equipped with shale shaker branch mechanism 9, and the undersize thing that obtains after the screening of shale after the crushing treatment process shale shaker branch mechanism 9 is less than 40 mm's fine waste rock for the particle diameter. The first hopper 11 and the third hopper 13 are respectively used for containing coal slime and cement; wherein the coal slime is a mixture of slurry and crushed coal.
The embodiment of the utility model provides an in, shale shaker mechanism 9 includes shale shaker body 91 and support 92, and shale shaker body 91 slope sets up and fixes on support 92, and shale shaker body 91 is by the inside screen cloth vibration screening of driving motor control, and the pan feeding mouth top of second hopper 12 is located to the screen underflow discharge gate 93 of shale shaker body 91. Undersize fine gangue enters the second hopper 12 through an undersize discharge port 93, oversize gangue larger than 40mm is discharged to other collection containers through an oversize discharge port 94. The vibrating screening mechanism 9 improves the automation degree of the whole device and improves the processing efficiency of bottom paving materials.
The belt weighers 2 are arranged below the discharge holes of the hoppers, the belt weighers 2 are also provided with a plurality of first belt weighers 21, second belt weighers 22, third belt weighers 23 and fourth belt weighers 24, the hoppers are matched with the belt weighers 2 for use, internal materials are released to the upper portions of the belt weighers 2 through the discharge holes in the bottoms of the hoppers, and the materials are conveyed to the mixing bin 3 through the operation of the belt weighers 2; fourth belt weigher 24's top is equipped with cleans mechanism 8, cleans mechanism 8 and is used for cleaning the pulley surface of fourth belt weigher 24, because of fourth belt weigher 24 is used for weighing three kinds of different additives, carries to mixing bunker 3 around the different additives in proper order, in order to make weighing data more accurate, consequently cleans mechanism 8 in fourth belt weigher 24 top setting, ensures that the addition of every kind of additive is more accurate.
In a specific embodiment of the utility model, clean mechanism 8 and include: support post, bearing 83, connecting rod 84, bushing 85 and brushhead 86. The supporting column specifically comprises two lateral upright columns 81 and a cross beam 82 for connecting the two upright columns 81, and the two upright columns 81 are respectively arranged on two sides of the fourth belt scale 24; bearing 83 sets up in crossbeam 82 below, bearing 83 rotates and connects connecting rod 84, connecting rod 84 is the telescopic link, normally carry one of them additive in fourth belt weigher 24, connecting rod 84 shortens and makes brush head 86 leave fourth belt weigher 24, when carrying another kind of additive, the telescopic link extension, motor drive bearing 83 drives connecting rod 84 and rotates, connecting rod 84 lower extreme has cup jointed sleeve 85, the sleeve 85 below is connected with brush head 86, brush head 86 bottom terminal surface and fourth belt weigher 24 surface contact and rotate and clean, clean the remaining additive on belt weigher 2 surface, shorten connecting rod 84 again after belt weigher 2 surface cleans totally, carry out the weighing of next kind of additive.
Preferably, the width of the end face of the brush head 86 is not less than the width of the belt of the fourth belt scale 24, so that the whole belt surface can be cleaned after the brush head 86 rotates.
The mixing bin 3 is arranged below the discharge ends of the belt weighers 2, and the discharge ends of the belt weighers 2 are arranged above the inlets of the mixing bin 3; the mixing silo 3 is used for storing and mixing different raw material components.
The water outlet end of the water tank 4 is connected with the mixing bin 3, the water outlet amount of the water tank 4 is controlled by an automatic control unit, and the water outlet amount is determined by a water-cement ratio (the mass ratio of water to cement).
Blendor 5, blendor 5 and mixing bunker 3's bottom exit linkage, the raw materials in the mixing bunker 3 exports after 5 stirring of blendor. Preferably, the blender 5 is a compulsory double-shaft blender, and has the advantages of realizing one-end feeding and the other-end discharging, along with high efficiency and uniform stirring. The material advancing speed in the mixer is 0.8-1.2m/min (such as 0.85m/min, 0.9m/min, 0.95m/min, 1m/min, 1.1m/min and 1.15m/min), the length of the mixer is 3-5 m, and the stirring time of the material is 3-5 min.
The utility model discloses a preparation facilities of bed end material is when using, at first, the waste rock gets into in the second hopper 12 after screening mechanism sieves, add coal slime, waste rock, cement and additive to mixing bunker 3 respectively through first hopper 11, second hopper 12, third hopper 13 and fourth hopper 14, wherein three kinds of additives in the fourth hopper 14 loop through the opening and closing of control door 6 and add to mixing bunker 3, use cleaning device to clean the belt surface of fourth belt weigher 24 during two kinds of additives intervals, clean back connecting rod 84 and shorten the promotion, carry out the weighing of next additive and carry; then, automatically controlling a water tank 4 to add quantitative water into the mixing bunker 3 according to the water-cement ratio; thirdly, after the raw materials are added, the mixed materials in the mixing bin 3 enter the mixer 5 to be stirred and mixed, and the bottom paving materials are conveyed out of a discharge hole of the mixer 5 after being stirred and mixed uniformly; and finally, paving the bottom paving material on the cleaned roadway bottom plate, and then manually paving the surface.
In summary, the following steps: the utility model discloses a coal slime base tunnel bed bottom material preparation facilities can realize automatic continuous feeding preparation process, improves work efficiency; meanwhile, the feeding amount is accurately controlled, the vibration mechanism arranged in the device can improve the preparation efficiency, the cleaning mechanism can improve the feeding amount accuracy of the additive, and the performance of the material is stabilized.
The preparation device of the bottom paving material can realize the quantitative addition of various main materials, additives and water, accurately control the distribution ratio of various components and ensure that the prepared bottom paving material achieves the optimal performance; the bottom paving material prepared by the device is applied to roadway bottom paving, the condensation speed is high, the roadway bottom paving time and the maintenance time can be greatly reduced for roadway bottom plate hardening construction, and the construction cost is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a preparation facilities of coal slime base tunnel bed bottom material which characterized in that, the device includes:
the hopper comprises a plurality of hoppers, namely a first hopper, a second hopper, a third hopper and a fourth hopper, wherein a plurality of partition plates are arranged in the fourth hopper, the partition plates divide the interior of the storage bin into a plurality of independent spaces, and a bin gate matched with the independent spaces for use is arranged at the bottom of the fourth hopper; a vibration screening mechanism is arranged above the second hopper;
the belt weighers are arranged below the discharge hole of the hopper, the belt weighers are also multiple and respectively comprise a first belt weigher, a second belt weigher, a third belt weigher and a fourth belt weigher, and the hopper is matched with the belt weighers for use; a cleaning mechanism is arranged above the fourth belt scale;
the mixing bin is arranged below the discharge ends of the belt weighers, and the discharge ends of the belt weighers are arranged above inlets of the mixing bin;
the water outlet end of the water tank is connected with the mixing bin, and the water tank controls the water outlet amount through an automatic control unit;
the blender mixer, the blender mixer with the bottom exit linkage of mixing bunker.
2. The apparatus for preparing a coal slime based roadway bedding material as recited in claim 1, wherein said sweeping means comprises: support column, bearing, connecting rod, sleeve and brush head;
the support column comprises two lateral upright columns and a cross beam for connecting the two upright columns, and the two upright columns are respectively arranged on two sides of the fourth belt scale; the bearing is arranged below the cross beam and is rotationally connected with the connecting rod, and the connecting rod is a telescopic rod; the lower end of the connecting rod is sleeved with a sleeve; the brush head is connected below the sleeve and can clean the surface of the fourth belt scale.
3. The device for preparing the coal slime-based roadway bottom paving material as recited in claim 2, wherein the width of the end surface of the brush head is not less than the width of the belt of the fourth belt scale.
4. The device for preparing the coal slime based roadway bottom paving material as recited in claim 1 or 2, wherein the vibrating and screening mechanism comprises a vibrating screen body and a bracket, the vibrating screen body is obliquely fixed on the bracket, and a screen underflow discharge port of the vibrating screen body is arranged above a feed port of the second hopper.
5. The apparatus for preparing a coal slime-based roadway bedding material as recited in claim 1, wherein said fourth hopper is divided into three independent spaces by three partition plates.
6. The device for preparing the coal slime-based roadway bottom paving material as recited in claim 5, wherein said fourth hopper is used for placing additives, and said additives are respectively a water reducing agent, an early strength agent and fibers.
7. The apparatus for preparing coal slime based roadway bedding material as recited in claim 1, wherein said second hopper is used for placing gangue.
8. The device for preparing the coal slime based roadway bottom paving material as recited in claim 1, wherein a transverse strip-shaped groove is formed in the bottom of the wall surface of the fourth hopper, the bin gate penetrates through the groove and is embedded into the bottom of the fourth hopper, and the bin gate is controlled to be opened and closed by a motor in a pushing and pulling mode.
9. The apparatus for preparing coal slime based roadway bottom paving material as recited in claim 1, wherein said blender is a forced twin-shaft blender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706486.1U CN212153016U (en) | 2020-04-30 | 2020-04-30 | Preparation facilities of coal slime base tunnel bed material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706486.1U CN212153016U (en) | 2020-04-30 | 2020-04-30 | Preparation facilities of coal slime base tunnel bed material |
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| Publication Number | Publication Date |
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| CN212153016U true CN212153016U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020706486.1U Active CN212153016U (en) | 2020-04-30 | 2020-04-30 | Preparation facilities of coal slime base tunnel bed material |
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| CN (1) | CN212153016U (en) |
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- 2020-04-30 CN CN202020706486.1U patent/CN212153016U/en active Active
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