CN211586815U

CN211586815U - A even stone crusher for tunnel blasting rubble is recycled

Info

Publication number: CN211586815U
Application number: CN202020085317.0U
Authority: CN
Inventors: 李颖; 宋美丽; 周静; 胡军亚; 樊春喜
Original assignee: Henan Highway Engineering Group Co Ltd
Current assignee: Henan Highway Engineering Group Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-29
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a stone crusher field discloses an even stone crusher for tunnel blasting rubble is recycled, to the inhomogeneous and slow problem of rubble efficiency of current stone crusher rubble, the following scheme is put forward now, and it includes screening case, hoisting device, fixed frame and collection fill, the top of screening case is fixed with crushing passageway, and the inside rotation of crushing passageway is connected with two garrulous stone rollers, the top of crushing passageway is fixed with the feeder hopper, the top of screening case is fixed with the flitch that connects that the slope set up through the pillar, and the one end that connects the flitch extends to the inside of feeder hopper, the internally mounted of screening case has the sieving mechanism, the discharge gate has been seted up to the bottom of screening case. The utility model discloses rational in infrastructure, design benefit, easy operation not only reaches the purpose of even rubble, can conveniently raise the stone that needs the regrinding moreover and pour into the collecting hopper to improve the efficiency of rubble, easily use widely.

Description

A even stone crusher for tunnel blasting rubble is recycled

Technical Field

The utility model relates to a stone crusher field especially relates to an even stone crusher for tunnel blasting rubble is recycled.

Background

During the tunnel blasting, a lot of crushed stones are generated, and the crushed stones can be utilized as building materials. However, since the size of the blasted crushed stone is very uneven, it is necessary to crush the stone with a crusher.

The condition that the stone size is uneven appears easily at the in-process of rubble to the stone crusher among the prior art, consequently need carry out the regrinding to unqualified stone, at present, all artificially promote to going out to carry out the regrinding to needs the regrinding stone, such speed is slower, has influenced the efficiency of rubble, for this reason, this scheme has designed an even stone crusher that is used for tunnel blasting rubble to recycle.

Disclosure of Invention

The utility model provides an even stone crusher for tunnel blasting rubble is recycled has solved the uneven problem with the rubble efficiency slow of current stone crusher rubble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a uniform stone crusher for recycling tunnel blasting crushed stones comprises a screening box, a lifting device, a fixing frame and a collecting hopper, wherein a crushing channel is fixed at the top of the screening box, two crushed stone rollers are rotatably connected inside the crushing channel, a feeding hopper is fixed at the top of the crushing channel, a material receiving plate which is obliquely arranged is fixed at the top of the screening box through a support column, one end of the material receiving plate extends into the feeding hopper, a screening device is installed inside the screening box, a discharge port is formed in the bottom of the screening box, a slag discharge port is formed in one side of the screening box, one end of the screening device extends into the slag discharge port, a discharge nozzle which is obliquely and downwards arranged is fixed outside the slag discharge port, four support columns are fixed at the bottom of the screening box, the fixing frame is located on one side of the discharge nozzle, the fixing frame is of a U-shaped structure, the collecting hopper is located on the inner side of the fixing frame, collect and all rotate through the pivot between the both sides of fighting and the both sides inner wall of fixed frame and be connected, the outside of two pivots all is fixed with the gear, all be fixed with electric putter on the both sides inner wall of fixed frame, two electric putter's extension end all is fixed with the rack, and two racks are located one side and two gear engagement of two gears respectively, collect to fight and connect the flitch to cooperate, fixed frame is located hoisting device's inboard and matches with hoisting device.

Preferably, hoisting device includes two backup pads, roof, two screw thread posts and two first motors, the top fixed connection of roof and two backup pads, two first motors are installed in the top both sides of roof, two the both sides bottom of backup pad all is fixed with the fixed plate, and the spout has all been seted up in one side year that two backup pads are close to mutually, two the bottom of screw thread post is rotated with the top of two fixed plates respectively and is connected, and the top of two screw thread posts is connected with the one end transmission of the output shaft of two first motors respectively, and the equal threaded connection in outside of two screw thread posts has the connecting plate, and the one end of two connecting plates runs through two spouts and the both sides fixed connection of fixed frame respectively, and the both sides outer wall of a connecting plate contacts with the lateral wall of two spouts respectively.

Preferably, the sieving mechanism includes screening plate, screening net, shock dynamo and two buffer, the one end of screening plate extends to the inside of row's cinder notch and the both sides of row's cinder notch are articulated, the mounting groove has been seted up at the top of screening plate, the inside at the mounting groove is fixed to the screening net, shock dynamo fixes in one side bottom that the cinder notch was kept away from to the screening plate, two buffer's top is kept away from one side bottom fixed connection of row's cinder notch with the screening plate respectively, two buffer's bottom all with the lateral wall fixed connection of screening case, the bottom both sides of screening plate all are fixed with the baffle.

Preferably, the buffer device is composed of a buffer column, a fixed column and a spring, the bottom of the fixed column is fixedly connected with the side wall of the screening box, a buffer hole is formed in the top of the fixed column, the bottom of the spring is fixedly connected with the bottom of the buffer hole, the top of the buffer column is fixedly connected with the bottom of the screening plate, and the bottom of the buffer column extends to the inside of the buffer hole and is fixedly connected with the top of the spring.

Preferably, both sides of the top of the material receiving plate are fixed with side plates.

Preferably, a material baffle is fixed at the bottom of the outlet of the discharging nozzle, and the top of one side of the collecting hopper is attached to the material baffle.

Preferably, the top of screening case is fixed with two second motors, and the output shaft of two second motors is connected with two rubble roller transmissions respectively.

The utility model discloses in:

1. through the matching among the feed hopper, the crushing channel, the screening box, the stone crushing roller and the screening device, the purpose of crushing stones is achieved, and unqualified stones can be screened out for secondary crushing;

2. through hoisting device, fixed frame, collection fill, pivot, gear, rack, electric putter and connect the cooperation between the flitch, reach the convenience and raise unqualified stone again and pour into the feeder hopper and carry out the purpose that the regrinding carries out for the cracked more even of stone, labour saving and time saving has improved the efficiency of rubble.

The utility model discloses rational in infrastructure, design benefit, easy operation not only reaches the purpose of even rubble, can conveniently raise the stone that needs the regrinding moreover and pour into the collecting hopper to improve the efficiency of rubble, easily use widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the lifting device of the present invention.

Fig. 3 is a top view of the fixing frame and the collecting bucket of the present invention.

Fig. 4 is a top view of the feeding hopper of the present invention.

Reference numbers in the figures: 1 screening case, 2 hoisting device, 3 feeder hoppers, 4 crushing passageways, 5 garrulous stone rollers, 6 baffles, 7 screening plates, 8 buffer columns, 9 buffer holes, 10 fixed columns, 11 support columns, 12 vibrating motors, 13 discharge ports, 14 screens, 15 slag outlets, 16 discharge nozzles, 17 receiving plates, 18 side plates, 19 baffle plates, 20 collecting hoppers, 21 fixed frames, 22 support plates, 23 sliding chutes, 24 first motors, 25 top plates, 26 threaded columns, 27 connecting plates, 28 fixed plates, 29 rotating shafts, 30 racks, 31 gears, 32 electric push rods and 33 second motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-4, a uniform stone crusher for recycling tunnel blasting crushed stones comprises a screening box 1, a lifting device 2, a fixing frame 21 and a collecting hopper 20, wherein a crushing channel 4 is fixed at the top of the screening box 1, two crushed stone rollers 5 are rotatably connected inside the crushing channel 4, two second motors 33 are fixed at the top of the screening box 1, output shafts of the two second motors 33 are respectively in transmission connection with the two crushed stone rollers 5, a feeding hopper 3 is fixed at the top of the crushing channel 4, a receiving plate 17 which is obliquely arranged is fixed at the top of the screening box 1 through a support column, one end of the receiving plate 17 extends to the inside of the feeding hopper 3, side plates 18 are fixed at both sides of the top of the receiving plate 17, the two crushed stone rollers 5 are driven to rotate by the two second motors 33, and the side plates 18 are arranged to prevent stones on the receiving plate 17 from sliding off from the two sides of the receiving plate 17.

The screening device is arranged in the screening box 1 and comprises a screening plate 7, a screening net 14, a vibration motor 12 and two buffering devices, one end of the screening plate 7 extends to the inside of the slag discharge port 15 and is hinged with the two sides of the slag discharge port 15, a mounting groove is formed in the top of the screening plate 7, the screening net 14 is fixed in the mounting groove, the vibration motor 12 is fixed at the bottom of one side of the screening plate 7 away from the slag discharge port, the tops of the two buffering devices are respectively fixedly connected with the bottom of one side of the screening plate 7 away from the slag discharge port, the bottoms of the two buffering devices are fixedly connected with the side wall of the screening box 1, the two sides of the bottom of the screening plate 7 are respectively fixed with a baffle 6, each buffering device comprises a buffering column 8, a fixing column 10 and a spring, the bottom of the fixing column 10 is fixedly connected with the side wall of the screening box 1, a buffering hole 9 is formed in the top of the fixing column 10, the top of cushion column 8 and the bottom fixed connection of screening board 7, the bottom of cushion column 8 extends to the inside of buffer hole 9 and the top fixed connection of spring, vibrating motor 12 drives screening board 7 vibrations, thereby make screen cloth 14 filter the stone, when screening board 7 shakes, through cushion column 8, a spring, the cooperation between buffer hole 9 and the fixed column 10, make screening board 7 have the space of certain upper and lower vibrations, the setting of baffle 6 then can avoid the stone to drop from the both sides of screening board 7.

The bottom of the screening box 1 is provided with a discharge port 13, one side of the screening box 1 is provided with a slag discharge port 15, one end of the screening device extends to the inside of the slag discharge port 15, a discharge nozzle 16 which is obliquely and downwardly arranged is fixed outside the slag discharge port 15, four support columns 11 are fixed at the bottom of the screening box 1, the fixing frame 21 is positioned at one side of the discharge nozzle 16, the fixing frame 21 is of a U-shaped structure, the collecting hopper 20 is positioned at the inner side of the fixing frame 21, two sides of the collecting hopper 20 are rotatably connected with the inner walls of two sides of the fixing frame 21 through rotating shafts 29, gears 31 are fixed outside the two rotating shafts 29, electric push rods 32 are fixed on the inner walls of two sides of the fixing frame 21, racks 30 are fixed at the extending ends of the two electric push rods 32, the two racks 30 are respectively positioned at one side of the two gears 31 and meshed with the two gears 31, the collecting hopper 20 is matched with the material, the rack 30 moves to drive the gear 31 to rotate, so that the rotating shaft 29 rotates to drive the collecting hopper 20 to overturn, and stones in the collecting hopper 20 can be emptied conveniently.

The bottom of the export of ejection of compact mouth 16 is fixed with striker plate 19, and the striker plate 19 of one side top and the laminating of collecting hopper 20 mutually, and the setting of striker plate 19 can be avoided leaking from the space between ejection of compact mouth 16 and the collecting hopper 20 from ejection of compact mouth 16 exhaust stone.

The fixed frame 21 is located on the inner side of the lifting device 2 and is matched with the lifting device, the lifting device 2 comprises two supporting plates 22, a top plate 25, two threaded columns 26 and two first motors 24, the top plate 25 is fixedly connected with the tops of the two supporting plates 22, the two first motors 24 are installed on two sides of the top plate 25, fixing plates 28 are fixed at the bottoms of two sides of the two supporting plates 22, chutes 23 are formed in the adjacent side of the two supporting plates 22, the bottoms of the two threaded columns 26 are respectively and rotatably connected with the tops of the two fixing plates 28, the tops of the two threaded columns 26 are respectively and drivingly connected with one ends of output shafts of the two first motors 24, connecting plates 27 are respectively and threadedly connected to the outer portions of the two threaded columns 26, one ends of the two connecting plates 27 respectively penetrate through the two chutes 23 and are fixedly connected with two sides of the fixed frame 21, and outer walls, two first motors 24 corotation drives two screw post 26 corotation to drive two connecting plates 27 and rise, and then make fixed frame 21 rise, thereby lift collection fill 20, the both sides of connecting plate 27 and the lateral wall contact of spout 23 can avoid connecting plate 27 to rotate along with screw post 26's rotation.

The working principle is as follows: when the stone is broken, the second motor 33 and the vibration motor 12 are started. The second motor 33 drives the stone crushing roller 5 to rotate, the vibration motor 12 drives the screening plate 7 to vibrate, stones enter the crushing channel 4 from the feeding hopper 3 to be crushed and fall on the screening plate 7, qualified products fall from the screen 14 and are finally discharged from the discharge port 13 after being screened by the screen 14, unqualified products are discharged from the slag discharge port 15 and finally fall into the collecting hopper 20, feeding is stopped when a certain amount of stones are accumulated in the collecting hopper, the second motor 33 is stopped simultaneously, then the two first motors 24 are started to rotate positively, the two first motors 24 drive the two threaded columns 26 to rotate positively, so as to drive the two connecting plates 27 to ascend, further the fixing frame 21 is lifted, when the collecting hopper 20 reaches the set height, the two first motors 24 are stopped, then the two electric push rods 32 are started to extend, the two electric push rods 32 extend to drive the two gears 31 to rotate, thereby make collection fill 20 take place to rotate, and then fall the inside stone of collection fill 20 on connecing flitch 17, the stone slides the inside of feeder hopper 3 through connecing flitch 17 and smashes once more, collects 20 clearance mouths of fighting, starts two electric putter 32 and resumes the normal position, then restarts two first motor 24 reversals and send collection fill 20 back to the normal position and restart second motor 33 at last to the completion is to the regrinding of unqualified stone.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A uniform stone crusher for recycling tunnel blasting crushed stones comprises a screening box (1), a lifting device (2), a fixing frame (21) and a collecting hopper (20), and is characterized in that a crushing channel (4) is fixed at the top of the screening box (1), two crushed stone rollers (5) are rotatably connected inside the crushing channel (4), a feeding hopper (3) is fixed at the top of the crushing channel (4), a material receiving plate (17) which is obliquely arranged is fixed at the top of the screening box (1) through a support, one end of the material receiving plate (17) extends to the inside of the feeding hopper (3), a screening device is installed inside the screening box (1), a discharge port (13) is formed in the bottom of the screening box (1), a slag discharge port (15) is formed in one side of the screening box (1), and one end of the screening device extends to the inside of the slag discharge port (15), the outside of row's cinder notch (15) is fixed with ejection of compact mouth (16) that the slope set up downwards, the bottom of screening case (1) is fixed with four support columns (11), fixed frame (21) are located one side of ejection of compact mouth (16), fixed frame (21) are the U-shaped structure, collect fill (20) and be located the inboard of fixed frame (21), collect and all rotate through pivot (29) between the both sides inner wall of fighting (20) and fixed frame (21) and be connected, the outside of two pivot (29) all is fixed with gear (31), all be fixed with electric putter (32) on the both sides inner wall of fixed frame (21), the extension end of two electric putter (32) all is fixed with rack (30), one side that two rack (30) are located two gear (31) respectively meshes with two gear (31), collect and fight (20) and connect flitch (17) to cooperate, the fixed frame (21) is positioned on the inner side of the lifting device (2) and is matched with the lifting device.

2. The uniform stone crusher for recycling tunnel blasting crushed stones according to claim 1, wherein the lifting device (2) comprises two support plates (22), a top plate (25), two threaded columns (26) and two first motors (24), the top plate (25) is fixedly connected with the tops of the two support plates (22), the two first motors (24) are installed on two sides of the top plate (25), fixing plates (28) are fixed on the bottoms of two sides of the two support plates (22), sliding grooves (23) are formed in the side, close to the two support plates (22), of the two threaded columns (26), the bottoms of the two threaded columns are respectively rotatably connected with the tops of the two fixing plates (28), the tops of the two threaded columns (26) are respectively in transmission connection with one ends of output shafts of the two first motors (24), and connecting plates (27) are respectively in threaded connection with the outer portions of the two threaded columns (26), one end of each connecting plate (27) penetrates through the two sliding grooves (23) and is fixedly connected with the two sides of the fixed frame (21), and the outer walls of the two sides of each connecting plate (27) are respectively contacted with the side walls of the two sliding grooves (23).

3. A homogeneous rock crusher for tunnel blasting crushed stone recycling according to claim 1, it is characterized in that the screening device comprises a screening plate (7), a screening net (14), a vibration motor (12) and two buffer devices, one end of the screening plate (7) extends into the slag discharge port (15) and is hinged with the two sides of the slag discharge port (15), the top of the screening plate (7) is provided with an installation groove, the screening net (14) is fixed in the installation groove, vibrating motor (12) are fixed in one side bottom of keeping away from the row's cinder notch in screening board (7), two buffer's top is kept away from one side bottom fixed connection of row's cinder notch with screening board (7) respectively, and two buffer's bottom all with the lateral wall fixed connection of screening case (1), the bottom both sides of screening board (7) all are fixed with baffle (6).

4. The uniform stone crusher for recycling tunnel blasting crushed stones according to claim 3, wherein the buffer device is composed of a buffer column (8), a fixed column (10) and a spring, the bottom of the fixed column (10) is fixedly connected with the side wall of the screening box (1), the top of the fixed column (10) is provided with a buffer hole (9), the bottom of the spring is fixedly connected with the bottom of the buffer hole (9), the top of the buffer column (8) is fixedly connected with the bottom of the screening plate (7), and the bottom of the buffer column (8) extends to the inside of the buffer hole (9) and is fixedly connected with the top of the spring.

5. A uniform crusher for re-use of blasting crushed stones in tunnels according to claim 1, characterized in that side plates (18) are fixed on both sides of the top of the receiver plate (17).

6. The uniform stone crusher for recycling blasting crushed stones in tunnels according to claim 1, wherein a striker plate (19) is fixed at the bottom of the outlet of the discharging nozzle (16), and the top of one side of the collecting hopper (20) is attached to the striker plate (19).

7. The uniform stone crusher for recycling blasting crushed stones in tunnels according to claim 1, characterized in that two second motors (33) are fixed on the top of the screening box (1), and output shafts of the two second motors (33) are in transmission connection with the two stone crushing rollers (5) respectively.