CN217450430U - Be used for mobile backfill construction to use crushing and screening equipment - Google Patents

Be used for mobile backfill construction to use crushing and screening equipment Download PDF

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Publication number
CN217450430U
CN217450430U CN202221379357.1U CN202221379357U CN217450430U CN 217450430 U CN217450430 U CN 217450430U CN 202221379357 U CN202221379357 U CN 202221379357U CN 217450430 U CN217450430 U CN 217450430U
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China
Prior art keywords
crushing
pick
cutting
backfill construction
soil
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CN202221379357.1U
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Chinese (zh)
Inventor
夏钱平
杜君
熊光宝
刘青
霍同乾
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PowerChina Wuhan Heavy Equipment Co Ltd
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PowerChina Wuhan Heavy Equipment Co Ltd
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Abstract

The utility model provides a crushing and screening equipment for the construction of fluidized backfill soil, which can simultaneously screen out stones with large particle size in the process of crushing muck by driving adjacent rotating shafts to rotate in opposite directions through a motor and arranging cutting pick group rings in a dog staggered manner on the adjacent rotating shafts, and can scrape off soil on 'soil-covered stones', thereby greatly improving the production efficiency and reducing the complexity of the equipment; the earth retaining plate is arranged, so that the residue soil with large particle size can be conveniently crushed, and the residue soil can be prevented from rolling on the common working surface of the cutting teeth; the slideway is arranged, and the screened stones can be quickly removed by driving the rotating shaft to rotate in the same direction; the support frame that the setting has orifice plate and spacing axle can be based on the difference of the soft degree of on-the-spot soil texture, the inclination of reasonable regulation frame, compromise the treatment effeciency of earthwork when fully broken clod, accomplish the balance of abandonment utilization ratio and throughput rate.

Description

Be used for mobile backfill construction to use crushing and screening equipment
Technical Field
The utility model relates to a backfill field especially relates to a be used for mobile backfill construction to use crushing and screening equipment.
Background
At present, with the development of urban construction and the promotion of urbanization, the development of urban underground space enters a high-speed development stage, and large-scale underground engineering projects, such as high-rise building basements, underground businesses, underground traffic, underground municipal administration, civil air defense projects and the like, continuously emerge. In the process of excavation of the foundation pit, a large amount of engineering spoil is generated, and taking a foundation pit (two-layer basement) with 3 ten thousand square meters as an example, about 30 ten thousand square engineering spoil is generated, and a spoil site needs to be found for piling. Meanwhile, the transportation and consumption cost of earthwork is very high, and the excavated soil has no structural strength, can not be used by engineering again, and can not meet the new requirement of environment-friendly economical development. The research on the self-compacting backfill uses the engineering spoil as a main raw material and is supplemented with a certain reinforcing material to prepare the self-compacting backfill, so that the aim of recycling the spoil is fulfilled, the problems that a foundation pit fertilizer tank is difficult to backfill, the compactness is difficult to guarantee and water is easy to seep are solved, the aims of changing waste into valuable and saving energy and protecting environment are fulfilled, and the method has good economic and social benefits.
The existing self-compacting backfill soil preparation equipment generally crushes the excavated dregs of earthwork, then screens the dregs, conveys the dregs to a mixing and stirring mechanism, and is used for pouring after being uniformly mixed with water, additives and cement. For example, chinese patent CN215694454U provides such a fluidized backfill with screening function. The above devices separate crushing and screening, which increases space occupation and process complexity. Considering that the crushing process mainly aims at soil, the screening process mainly aims at harder impurities such as stones in the dregs, and the two processes can be combined into one and processed simultaneously on the same equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a be used for mobile backfill soil construction to use crushing and screening equipment can be on same equipment, carry out crushing and screening simultaneously and handle.
The technical scheme of the utility model is realized like this: the utility model provides a crushing and screening device for fluidized backfill construction, which comprises a frame, a plurality of rotating shafts, a motor and cutting teeth, wherein,
a feeding inlet is arranged above the rack, a feeding outlet is arranged at the bottom of the rack, and a feeding channel is arranged between the feeding inlet and the feeding outlet;
the rotating shafts are uniformly arranged in the feeding channel side by side;
the motor drives the rotating shaft to rotate;
the cutting teeth are evenly distributed on the cylindrical surface of the rotating shaft in an annular mode to form cutting tooth group rings, each cutting tooth group ring is evenly distributed along the axial direction of the rotating shaft, the cutting tooth group rings on adjacent rotating shafts are sequentially arranged in a staggered mode along the axial direction of the rotating shaft, and the end portions of the cutting teeth stretch into the space between the two adjacent cutting tooth group rings on the adjacent rotating shafts.
On the basis of the above technical solution, preferably, the cutting pick comprises a holder and a cutting pick, wherein,
one end of the tooth holder is fixed with the cylindrical surface of the rotating shaft, and the other end of the tooth holder is vertically fixed with the end part of the cutting pick.
Preferably, the free end of the pick knife is conical and has a crushing function.
On the basis of the technical scheme, preferably, the adjacent cutting pick group rings on the same rotating shaft are arranged in an N-degree rotational symmetry manner, N is more than 0 and less than 360/M, and M is the number of cutting picks on the cutting pick group rings.
On the basis of the above technical scheme, preferably, the central axes of the rotating shafts are located on the same plane, and the plane and the horizontal plane form an included angle larger than 0 degree and smaller than 30 degrees.
Further preferred, still include a plurality of and keep off the native board, keep off native board and incline side by side and set up in the supplied materials entrance, keep off native board and incline to the pivot of higher one side, keep off native board and frame hinge and be connected.
Still further preferably, the screening device further comprises a slide way which is obliquely arranged on one side of the frame and receives screening discharge transmitted by the surface where the tops of the cutting picks are arranged.
On the basis of the technical scheme, preferably, the motors are provided with a plurality of rotating shafts which correspond to the rotating shafts one by one and are in transmission connection, and the motors of the adjacent rotating shafts are respectively positioned at two ends of the rack.
On the basis of the technical scheme, preferably, the rotating shaft is provided with 16 cutting picks, the diameter of each cutting pick is 120mm, and the number of the cutting picks on each cutting pick group ring is 6.
On the basis of the technical scheme, the device preferably further comprises a support frame, wherein the support frame comprises a first support leg, a second support leg, a pore plate and a limiting shaft,
the top of the first support leg is hinged with one end of the frame;
the pore plate is hinged with the other end of the rack, a plurality of V-shaped holes are arranged on the pore plate, and the V-shaped holes are connected end to end;
the limiting shaft is nested in the hook-shaped hole and connected with the second supporting leg.
The utility model discloses a be used for mobile backfill construction to use crushing and screening equipment has following beneficial effect for prior art:
(1) the adjacent rotating shafts are driven by the motor to rotate in opposite directions, and the cutting pick group rings are arranged on the adjacent rotating shafts in a dog-tooth staggered manner, so that stones with large particle sizes can be screened out simultaneously in the process of crushing the muck, soil on the 'soil-coated stones' is scraped, the production efficiency can be greatly improved, and the equipment complexity is reduced;
(2) the earth retaining plate is arranged, so that the residue soil with large particle size can be conveniently crushed, and the residue soil can be prevented from rolling on the common working surface of the cutting teeth;
(3) the slideway is arranged, and the screened stones can be quickly removed by driving the rotating shaft to rotate in the same direction;
(4) the support frame that the setting has orifice plate and spacing axle can be based on the difference of the soft degree of on-the-spot soil texture, the inclination of reasonable regulation frame, compromise the treatment effeciency of earthwork when fully broken clod, accomplish the balance of abandonment utilization ratio and throughput rate.
(5) The conical cutter has strong adaptability to the crushing of soil blocks and stone blocks, is suitable for cohesive soil, and solves the problem that the cohesive soil is easy to adhere to equipment and difficult to clean and other industrial pain points.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a crushing and screening apparatus for fluidized backfill construction according to example 1;
FIG. 2 is a perspective view of a rotating shaft portion of the crushing and screening apparatus for fluidized backfill construction according to example 1;
FIG. 3 is a perspective view of the ring portion of the pick group of the crushing and screening apparatus for fluidized backfill construction of example 1;
fig. 4 is a front view of the crushing and screening apparatus for fluidized backfill construction according to example 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the utility model discloses a be used for mobile backfill soil construction to use crushing and screening equipment, it includes frame 1, a plurality of pivot 2, motor 3, pick 4, keeps off native board 5, slide 6 and support frame 7.
Wherein, a feeding inlet 10 is arranged above the frame 1, a feeding outlet 11 is arranged at the bottom, and a feeding channel 12 is arranged between the feeding inlet 10 and the feeding outlet 11. The slideway 6 is obliquely arranged on one side of the frame 11. Thus, the supplied materials of the dregs dug out from the earthwork are poured in through the supplied materials inlet 10, the dregs after being broken are discharged through the supplied materials outlet 11 after being broken and screened, and the large-particle-size stones after being screened are periodically discharged through the slide way 6.
The rotating shafts 2 are uniformly arranged in the feeding channel 12 side by side. In order to facilitate crushing and screening, the central shafts of the rotating shafts 2 are positioned on the same plane, and the plane and the horizontal plane form an included angle of more than 0 degree and less than 30 degrees. So, the large size supplied materials receives gravity and pick 4's common effort for it rolls on the face at pick 4 top place, is convenient for breakage, screening.
And the motor 3 drives the adjacent rotating shafts 2 to rotate in opposite or same directions. Specifically, the motors 3 are provided with a plurality of motors, the motors are in one-to-one correspondence with the rotating shafts 2 and are in transmission connection, and the motors 3 of the adjacent rotating shafts 2 are respectively located at two ends of the rack 1.
Pick 4, a plurality of pick 4 are the even arrangement of annular and constitute pick group ring 40 on 2 face of cylinder of pivot, and each pick group ring 40 evenly arranges along 2 axial of pivot, and pick group ring 40 on the adjacent pivot 2 is along 2 axial staggered arrangements in proper order of pivot, and pick 4 tip stretches into between the two adjacent pick group rings 40 on the adjacent pivot 2 with it. So, rotate towards opposite direction through adjacent pivot 2 of motor 3 drive to dog staggered arrangement pick group ring 40 on adjacent pivot 2 can sieve out the stone of big particle diameter simultaneously to the broken in-process of digging earth of engineering, and strike off the soil on "soil package stone", can increase substantially production efficiency, and reduce equipment complexity.
Specifically, the cutting pick 4 comprises a tooth holder 41 and a cutting pick 42, wherein one end of the tooth holder 41 is fixed on the cylindrical surface of the rotating shaft 2, and the other end of the tooth holder 41 is vertically fixed on the end of the cutting pick 42. Certainly, the cutting pick 4 can also be designed into a straight tooth, and compared with a straight tooth structure, the vertical tooth has better crushing and tearing effects, and is convenient for processing high-elasticity products such as plastic bags and the like mixed in the engineering excavated materials.
Specifically, the free end of the pick 42 is tapered, and has a crushing function. The conical cutter structure is more favorable for crushing soil blocks with large particle size and small stone blocks, and has higher strength, convenient processing and manufacturing and convenient replacement and cleaning of later-stage crushing cutters.
Specifically, the adjacent cutting pick group rings 40 on the same rotating shaft 2 are arranged in an N-degree rotational symmetry manner, N is more than 0 and less than 360/M, and M is the number of cutting picks 4 on one cutting pick group ring 40. Therefore, the rotational symmetry angles between the adjacent cutting tooth group rings 40 on the same rotating shaft 2 are different, so that engineering excavation incoming materials can horizontally roll back and forth on the surface where the tops of the cutting teeth 4 are located, and the damage effect is improved.
The soil retaining plates 5 are obliquely arranged at the incoming material inlet 10 side by side, the soil retaining plates 5 are oblique to the rotating shaft 2 at the higher side, and the soil retaining plates 5 are hinged with the rack 1. Therefore, the engineering excavation incoming material with the oversized dimension can be conveniently damaged.
And the slideway 6 is used for receiving the screening discharge transmitted from the surface where the top of the cutting pick 4 is positioned. Thus, the rotating shaft 2 is periodically driven to rotate towards the same direction, screening discharge materials remained on the surface where the tops of the cutting teeth 4 are located are discharged through the slide ways 6, and the screening discharge materials are conveyed upwards in an inclined mode in the conveying process, so that the screening discharge materials can be further crushed and screened conveniently; and the screening discharge can jack up the retaining plate 5 to make it rotate around the frame 1, preventing the retaining plate 5 from blocking the screening discharge from entering the slideway 6.
Specifically, the rotating shaft 2 is provided with 16 cutting picks 4, the diameter of each cutting pick is 120mm, and the number of the cutting picks 4 on one cutting pick group ring 40 is 6.
The following introduces the utility model discloses a working method that is used for mobile backfill construction to use crushing and screening equipment:
the engineering soil is poured into the crushing and screening machine 1, the adjacent shafts 12 are rotated in opposite directions, in the process: the clods are crushed and fall onto the conveyor 2 and are further conveyed to the stirring device 3; the soil on the 'soil-covered stone' is scraped by the cutting teeth 14; and sieving out large-particle-size stones.
And (3) periodically driving the adjacent rotating shafts 12 to rotate in the same direction, and discharging large-particle-size stones remained on the surface where the tops of the cutting teeth 14 are located.
Example 2
This embodiment is substantially the same as embodiment 1 except that: the present embodiment provides an angle-adjustable support frame 7, wherein, as shown in fig. 4, the support frame 7 comprises a first support leg 71, a second support leg 72, a hole plate 73 and a limit shaft 74.
The top of the first support leg 71 is hinged with one end of the frame 1;
the orifice plate 73 is hinged with the other end of the frame 1, a plurality of V-shaped holes 70 are arranged on the orifice plate 73, and the V-shaped holes 70 are connected end to end;
the limiting shaft 74 is nested in the V-shaped hole 70 and connected with the second supporting leg 72.
Thus, the inclination angle of the frame 1 can be adjusted step by adjusting the positions of the limit shafts 74 in the different "√" shaped holes 70.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a be used for fluidization backfill construction with crushing and screening equipment which characterized in that: which comprises a frame (1), a plurality of rotating shafts (2), a motor (3) and cutting teeth (4), wherein,
a feeding inlet (10) is arranged above the rack (1), a feeding outlet (11) is arranged at the bottom of the rack, and a feeding channel (12) is arranged between the feeding inlet (10) and the feeding outlet (11);
the rotating shafts (2) are uniformly arranged in the feeding channel (12) side by side;
the motor (3) drives the rotating shaft (2) to rotate;
pick (4), a plurality of pick (4) are the even range of annular and constitute pick group ring (40) on pivot (2) face of cylinder, and each pick group ring (40) is evenly arranged along pivot (2) axial, and pick group ring (40) on adjacent pivot (2) are along pivot (2) axial staggered arrangement in proper order, and pick (4) tip stretches into with it on adjacent pivot (2) between two adjacent pick group ring (40).
2. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the cutting pick (4) comprises a pick holder (41) and a pick insert (42), wherein,
one end of the tooth holder (41) is fixed with the cylindrical surface of the rotating shaft (2), and the other end of the tooth holder is vertically fixed with the end part of the cutting pick (42).
3. A crushing and screening apparatus for fluidized backfill construction according to claim 2, characterized by: the free end of the cutting pick (42) is conical and has a crushing function.
4. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the adjacent cutting tooth group rings (40) on the same rotating shaft (2) are arranged in an N-degree rotational symmetry mode, N is more than 0 and less than 360/M, and M is the number of cutting teeth (4) on the cutting tooth group rings (40).
5. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the central shaft of the rotating shaft (2) is positioned on the same plane, and the plane and the horizontal plane form an included angle which is larger than 0 degree and smaller than 30 degrees.
6. A crushing and screening apparatus for fluidized backfill construction according to claim 5, wherein: still include a plurality of and keep off native board (5), keep off native board (5) and slope side by side and set up in supplied materials entry (10) department, keep off native board (5) and incline to pivot (2) of higher one side, keep off native board (5) and frame (1) hinge joint.
7. A crushing and screening apparatus for fluidized backfill construction according to claim 6, characterized by: the screening and discharging device further comprises a slide way (6) which is obliquely arranged on one side of the rack (1) and receives screening and discharging materials transmitted from the surface where the tops of the cutting teeth (4) are located.
8. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the motor (3) is provided with a plurality of motors, the motors are in one-to-one correspondence with the rotating shafts (2) and are in transmission connection, and the motors (3) of the adjacent rotating shafts (2) are respectively positioned at two ends of the rack (1).
9. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the rotary shaft (2) is provided with 16 cutting picks (4) with the diameter of 120mm and on one cutting pick group ring (40), the number of the cutting picks is 6.
10. A crushing and screening apparatus for fluidized backfill construction according to claim 1, characterized by: the device also comprises a support frame (7), wherein the support frame (7) comprises a first support leg (71), a second support leg (72), a pore plate (73) and a limiting shaft (74), wherein,
the top of the first supporting leg (71) is hinged with one end of the frame (1);
the pore plate (73) is hinged with the other end of the rack (1), a plurality of V-shaped holes (70) are arranged on the pore plate (73), and the V-shaped holes (70) are connected end to end;
the limiting shaft (74) is nested in the square-shaped hole (70) and is connected with the second supporting leg (72).
CN202221379357.1U 2022-05-31 2022-05-31 Be used for mobile backfill construction to use crushing and screening equipment Active CN217450430U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221379357.1U CN217450430U (en) 2022-05-31 2022-05-31 Be used for mobile backfill construction to use crushing and screening equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221379357.1U CN217450430U (en) 2022-05-31 2022-05-31 Be used for mobile backfill construction to use crushing and screening equipment

Publications (1)

Publication Number Publication Date
CN217450430U true CN217450430U (en) 2022-09-20

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CN202221379357.1U Active CN217450430U (en) 2022-05-31 2022-05-31 Be used for mobile backfill construction to use crushing and screening equipment

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Country Link
CN (1) CN217450430U (en)

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