CN209866640U - Municipal administration is with screening sand device - Google Patents

Abstract

The utility model relates to the technical field of municipal engineering accessories, in particular to a municipal sand screening device; the sand and stone grading screening machine does not need to replace a screen, and can be used for grading and screening sand and stone in a time-saving and labor-saving manner; including first braced frame, be provided with first screen cloth on the first braced frame, still include the box, a first motor, first bracing board, the second backup pad, the third backup pad, two sets of first telescopic links, two sets of second telescopic links, first stull, the second stull, second braced frame, the second motor, the fourth backup pad, the fifth backup pad, two sets of third telescopic links, two sets of fourth telescopic links, the third stull, the fourth stull, be provided with first working chamber in the box, the box top is provided with the feeding horn mouth, the output of first motor is provided with first eccentric wheel, be provided with the second screen cloth on the second braced frame, all be provided with first spring on two sets of first telescopic links and the two sets of second telescopic links.

Description

A municipal sand screening device

technical field

The utility model relates to the technical field of municipal engineering auxiliary devices, in particular to a municipal sand screening device.

Background technique

As everyone knows, the municipal sand screening device is a device used for sand and gravel screening during municipal engineering construction, and it has been widely used in the field of municipal engineering; the existing municipal sand screening device includes a first supporting frame , the first support frame is provided with a first screen; when the existing municipal sand screening device is in use, the sand and gravel can be manually screened through the screen; in the use of the existing municipal sand screening device, it is found that Sand and gravel need to be screened for different particles, the process is complicated, and the operator needs to replace different screens for screening, which is time-consuming and laborious.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a municipal sand screening device that can classify and screen sand and gravel without the need to replace the screen, saving time and labor.

A municipal sand screening device of the present utility model comprises a first support frame on which a first screen is arranged; a box body, a first motor, a first support plate, and a second support plate are also included , the third support plate, two sets of first telescopic rods, two sets of second telescopic rods, the first cross brace, the second cross brace, the second support frame, the second motor, the fourth support plate, the fifth support plate, two A group of third telescopic rods, two groups of fourth telescopic rods, a third cross brace, and a fourth cross brace, a first working chamber is arranged in the box, and a feeding bell mouth is arranged at the top of the box, and the feeding The output end of the bell mouth communicates with the first working chamber, the left ends of the first support plate, the second support plate and the fourth support plate are all connected with the left end wall in the box, the third support plate and the fifth support plate The right ends are all connected to the right end wall in the box, the first motor is arranged at the bottom end of the first support plate, the output end of the first motor is provided with a first eccentric wheel, and the top ends of the two groups of first telescopic rods are It is connected with the bottom end of the first cross brace, the bottom ends of the two groups of first telescopic rods are all connected with the top end of the second support plate, the second support frame is provided with a second screen, and the first support The left end of the frame is connected to the right end of the first cross brace, the bottom right part of the first support frame is connected to the top of the second cross brace, and the bottom ends of the two sets of second telescopic rods are connected to the third support plate. The top ends of the two sets of second telescopic rods are all connected to the bottom ends of the first supporting frame, and the first springs are arranged on the two groups of first telescopic rods and the two groups of second telescopic rods. The top end of a cross brace is provided with a first arc-shaped plate, the top end of the first arc-shaped plate is in close contact with the bottom end of the first eccentric wheel, the right end of the box is provided with a first discharge port, the first The second motor is arranged at the bottom end of the third support plate, the output end of the second motor is provided with a second eccentric wheel, and the top ends of the two groups of third expansion rods are connected with the bottom end of the third cross brace, and the The bottom ends of the third telescopic rods of the two groups are all connected to the top of the fourth support plate, the bottom left part of the second support frame is connected to the top of the third cross brace, and the right end of the second support frame is connected to the fourth support plate. The left ends of the cross braces are connected, the top ends of the two groups of fourth telescopic rods are connected with the bottom ends of the second support frame, and the two groups of third telescopic rods and the two groups of fourth telescopic rods are provided with second springs, The top end of the fourth cross brace is provided with a second arc-shaped plate, the top end of the second arc-shaped plate is in close contact with the bottom end of the second eccentric wheel, and the left end of the box is provided with a second discharge port. A discharge pipe is provided at the bottom of the box, and a discharge valve is provided on the discharge pipe.

A municipal sand screening device of the present utility model also includes a suction fan, a suction bell mouth, a water tank and a connecting pipe, the water tank is provided with a second working chamber, the bottom of the suction fan is connected The left end of the top of the tank is connected, the right end of the water tank is connected to the left end of the box body, the air suction bell mouth is arranged on the top wall of the box body, and the output end of the air suction bell mouth communicates with the input end of the suction fan. The output end of the suction fan communicates with the input end of the communication pipe, and the output end of the communication pipe passes through the top wall of the water tank from the top of the water tank and extends into the second working chamber. There is an exhaust port, and the exhaust port communicates with the second working chamber.

A municipal sand screening device of the present utility model, the top of the left end of the water tank is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, and the bottom of the left end of the box is provided with a water outlet pipe. A water outlet valve is arranged on the water pipe.

A municipal sand screening device of the present utility model, the first working chamber is provided with a conical plate, the output end of the discharge pipe passes through the conical plate from the bottom end of the conical plate Top sticks out.

In the municipal sand screening device of the present invention, the first material outlet is provided with a first material guide plate, and the second material outlet is provided with a second material guide plate.

In the municipal sand screening device of the present utility model, a first inspection port and a second inspection port are arranged at the front end of the box body, and inspection doors are arranged on the first inspection port and the second inspection port.

A municipal sand screening device of the present utility model, the front end of the water tank is provided with an observation port, and the observation port is provided with a transparent baffle.

The municipal sand screening device of the utility model is provided with four sets of legs at the bottom of the box.

Compared with the prior art, the utility model has the beneficial effects as follows: the gravel material to be processed enters the box body through the feed bell mouth, starts the first motor, and the first motor drives the first eccentric wheel to rotate, and the first eccentric wheel and the second eccentric wheel The two groups of first telescopic rods contract downward when the first arc-shaped plate is in contact. When the first eccentric wheel is out of contact with the first arc-shaped plate, the first spring restores the first telescopic rod to its original position, so that the first support The reciprocating up and down vibration of the frame makes the sand and gravel pass through the first screen, the large grains of sand are discharged through the first discharge port, and the small grains fall on the second screen, and the second eccentric wheel is driven by the second motor. The second eccentric wheel is in contact with the second arc-shaped plate, so that the two groups of fourth telescopic rods shrink downward. When the second eccentric wheel is out of contact with the second arc-shaped plate, the second spring restores the fourth telescopic rod to its original position. position, so that the second support frame reciprocates up and down, so that the medium-grained sand is discharged through the second discharge port after being screened by the second screen, and the small-grained sand is discharged through the discharge pipe, without the need for screening. Replacement, the sand and gravel can be classified according to the particle size, which saves time and effort.

Description of drawings

Fig. 1 is a schematic diagram of the internal plane structure of the utility model;

Fig. 2 is a schematic diagram of the external plane structure of the utility model;

Fig. 3 is a schematic plan view of the first supporting frame of the present invention;

Marks in the attached drawings: 1. The first support frame; 2. The first screen; 3. The box; 4. The first motor; 5. The first support plate; 6. The second support plate; 7. The third support plate ; 8, the first telescopic rod; 9, the second telescopic rod; 10, the first cross brace; 11, the second cross brace; , the fifth support plate; 16, the third telescopic rod; 17, the fourth telescopic rod; 18, the third cross brace; 19, the fourth cross brace; 20, the feed bell mouth; 21, the first eccentric wheel; 22, The first spring; 23, the first arc-shaped plate; 24, the second eccentric wheel; 25, the second spring; 26, the second arc-shaped plate; 27, the discharge pipe; 28, the suction fan; 29, the suction bell 30, water tank; 31, connecting pipe; 32, exhaust port; 33, inlet pipe; 34, outlet pipe; , Inspection door; 39, observation port; 40, outrigger.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Figures 1 to 3, a municipal sand screening device of the present invention includes a first support frame 1 on which a first screen 2 is arranged; a box body 3, a first Motor 4, first support plate 5, second support plate 6, third support plate 7, two groups of first telescopic rods 8, two groups of second telescopic rods 9, first cross brace 10, second cross brace 11, the first Two support frames 12, a second motor 13, a fourth support plate 14, a fifth support plate 15, two groups of third telescopic rods 16, two groups of fourth telescopic rods 17, a third cross brace 18, a fourth cross brace 19, The box body 3 is provided with a first working chamber, and the top of the box body 3 is provided with a feed bell mouth 20, and the output end of the feed bell mouth 20 communicates with the first work chamber, the first support plate 5, the second support plate 6 and The left end of the fourth support plate 14 is connected with the left end wall in the box body 3, the right end of the third support plate 7 and the fifth support plate 15 are connected with the right end wall in the box body 3, and the first motor 4 is arranged on the first support plate 5, the output end of the first motor 4 is provided with a first eccentric wheel 21, the tops of the two groups of first telescopic rods 8 are connected with the bottom ends of the first cross braces 10, the bottoms of the two groups of first telescopic rods 8 Both ends are connected with the top of the second support plate 6, the second screen is arranged on the second support frame 12, the left end of the first support frame 1 is connected with the right end of the first cross brace 10, the bottom end of the first support frame 1 The right part is connected with the top of the second cross brace 11, the bottom ends of two groups of second telescopic rods 9 are all connected with the top of the third support plate 7, and the tops of the second group of telescopic rods 9 are connected with the top of the second cross brace 11. The bottom ends are connected, the first springs 22 are arranged on the two groups of first telescopic rods 8 and the two groups of second telescopic rods 9, the top of the first cross brace 10 is provided with a first arc-shaped plate 23, and the first arc-shaped plate 23 The top of the top is in close contact with the bottom end of the first eccentric wheel 21, the right end of the box body 3 is provided with a first discharge port, the second motor 13 is arranged at the bottom end of the third support plate 7, and the output end of the second motor 13 is arranged There is a second eccentric wheel 24, the tops of two groups of third expansion rods 16 are connected with the bottom ends of the third cross braces 18, the bottom ends of two groups of third expansion rods 16 are connected with the top ends of the fourth supporting plate 14, and The left end of the bottom of the two support frames 12 is connected with the top of the third cross brace 18, the right end of the second support frame 12 is connected with the left end of the fourth cross brace 19, and the bottom ends of the third telescopic rods 16 of the two groups are connected with the fourth cross brace 19. The tops of the support plates 14 are connected, the tops of the fourth telescopic rods 17 of the two groups are connected with the bottom ends of the fourth cross braces 19, and the second springs are arranged on the third telescopic rods 16 of the two groups and the fourth telescopic rods 17 of the two groups. 25. The top end of the fourth cross brace 19 is provided with a second arc-shaped plate 26, the top end of the second arc-shaped plate 26 is in close contact with the bottom end of the second eccentric wheel 24, and the left end of the box body 3 is provided with a second discharge port , the bottom end of the box body 3 is provided with a discharge pipe 27, and a discharge valve is provided on the discharge pipe 27; the gravel material to be processed enters the box body through the feed bell mouth, and the first motor is started, and the first motor drives the first When the eccentric wheel rotates, the first eccentric wheel contacts the first arc-shaped plate, causing the two sets of first telescopic rods to shrink downward. When the first eccentric wheel contacts the first arc-shaped plate When out of contact, the first spring restores the first telescopic rod to its original position, thereby causing the first support frame to vibrate up and down reciprocally, so that after the sand and gravel pass through the first screen, the large grains of gravel pass through the first discharge port After being discharged, the small particles fall onto the second screen, and the second eccentric wheel is driven by the second motor, so that the second eccentric wheel contacts the second arc-shaped plate, so that the two sets of fourth telescopic rods shrink downward, and when the second eccentric wheel When the wheel is out of contact with the second arc-shaped plate, the second spring will restore the fourth telescopic rod to its original position, so that the second support frame will vibrate up and down reciprocatingly, so that the medium-grained sand and gravel will pass through the second screen after being screened by the second screen. The second discharge port is discharged, and the small particles of sand and gravel are discharged through the discharge pipe. The sand and gravel can be classified according to the particle size without replacing the screen, which saves time and effort.

A kind of sand screening device for municipal use of the utility model also includes a suction fan 28, a suction bell mouth 29, a water tank 30 and a connecting pipe 31, the water tank 30 is provided with a second working chamber, and the bottom of the suction fan 28 is connected to the The top left part of casing 3 is connected, and the right end of water holding tank 30 is connected with the left end of casing 3, and suction bell mouth 29 is arranged on the top wall in casing 3, and the output end of suction bell mouth 29 and the input of suction fan 28 The output end of the suction fan 28 communicates with the input end of the connecting pipe 31, and the output end of the connecting pipe 31 passes through the top wall of the water tank 30 from the top of the water tank 30 and extends into the second working chamber. The top of 30 is provided with an exhaust port 32, and the exhaust port 32 communicates with the second working chamber; through the suction fan, the dust generated in the box can enter into the water tank through the suction bell mouth and the connecting pipe, and pass through the water in the water tank. After the adsorption, the dust is left in the water tank, thereby reducing the generation of dust and being more environmentally friendly.

In a municipal sand screening device of the present utility model, a water inlet pipe 33 is arranged on the top of the left end of the water storage tank 30, a water inlet valve is arranged on the water inlet pipe 33, and a water outlet pipe 34 is arranged on the bottom of the left end of the box body 3. A water outlet valve is provided; water can be replenished into the water tank through the water inlet pipe, and the sewage in the water tank can be discharged through the water outlet pipe for treatment, which is more convenient and quick.

In a municipal sand screening device of the present utility model, a conical plate 35 is arranged in the first working chamber, and the output end of the discharge pipe 27 passes through the conical plate 35 from the bottom end of the conical plate 35. The top of the bucket is passed through; the small particles of sand and gravel falling into the bottom can be collected through the conical plate, and then discharged from the discharge pipe after being concentrated.

A municipal sand screening device of the present utility model is provided with a first material guide plate 36 on the first material outlet, and a second material guide plate 37 on the second material outlet; through the first material guide plate and the second material guide plate, The setting of the material plate can guide the sand and gravel, so that it can be discharged smoothly at the first discharge port and the second discharge port without accumulation.

A municipal sand screening device of the present utility model, the front end of the box body 3 is provided with a first inspection port and a second inspection port, and an inspection door 38 is arranged on the first inspection port and the second inspection port; It is more convenient and quick to overhaul the equipment in the box.

A municipal sand screening device of the utility model, the front end of the water tank 30 is provided with an observation port 39, and a transparent baffle is arranged on the observation port 39; the water level in the water tank can be observed through the observation port, and when the water level is low, the Hydrate.

A municipal sand screening device of the utility model, the bottom of the box body 3 is provided with four sets of outriggers 40, which can effectively support the box body, making it more stable, and ensuring that small particles of sand and gravel are kept at the discharge pipe. discharge.

A municipal sand screening device of the utility model, when it is working, before completing the above actions, it is first moved to the position required by the user, and the sand and gravel to be processed enters the box through the feeding bell mouth, and the first A motor is connected to the mains and started. The first motor drives the first eccentric wheel to rotate. The first eccentric wheel contacts the first arc-shaped plate, causing the two sets of first telescopic rods to shrink downward. When the first eccentric wheel and the first When the arc-shaped plate is out of contact, the first spring restores the first telescopic rod to its original position, thereby causing the first supporting frame to vibrate up and down reciprocatingly, so that after the sand and gravel pass through the first screen, the large grains of sand and gravel pass through the first screen. Discharged from the discharge port, the small particles fall to the second screen, the mesh on the second screen is smaller than the mesh on the first screen, the second motor is connected to the mains and started, the second motor drives the second eccentric Wheel, make the second eccentric wheel contact with the second arc-shaped plate, make the two sets of fourth telescopic rods shrink down, when the second eccentric wheel and the second arc-shaped plate are out of contact, the second spring will restore the fourth telescopic rod to the original position, so that the second support frame vibrates up and down reciprocatingly, so that the medium-grained sand is discharged through the second discharge port after being screened by the second screen, and the small-grained sand is discharged through the discharge pipe without screening The sand and gravel can be classified according to the particle size by replacing the net, and the suction fan is connected to the mains and started, and the dust generated in the box can be entered into the water tank through the suction fan and the connecting pipe through the suction fan. After the water in the water tank is adsorbed, the dust is left in the water tank, thereby reducing the generation of dust. The water can be replenished into the water tank through the water inlet pipe, and the sewage in the water tank can be discharged through the water outlet pipe for treatment, which is more convenient Fast, the small particles of sand and gravel falling to the bottom can be collected through the conical plate, concentrated and then discharged from the discharge pipe, and the sand and gravel can be guided by the setting of the first material guide plate and the second material guide plate , so that it can be discharged smoothly at the first discharge port and the second discharge port without accumulation.

A municipal sand screening device of the utility model, the first motor, the second motor and the suction fan are all purchased, and the first motor, the second motor and the suction fan are all electrically connected through the instruction manual purchased together .

In a municipal sand screening device of the present utility model, the installation, connection or setting methods of all the above-mentioned components are common mechanical methods, and the specific structures, models and coefficient indexes of all the components are its own technology. , as long as it can achieve its beneficial effect, it can be implemented, so it will not be repeated.

For a municipal sand screening device of the present utility model, unless otherwise specified, the orientation words included in the terms such as "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" only represent the orientation of the term in the normal use state , or a common name understood by those skilled in the art, and should not be regarded as a limitation of the term. At the same time, serial nouns such as "first", "second" and "third" do not represent specific quantities and orders , just for name distinction.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (8)

1. A municipal sand screening device, comprising a first support frame (1), the first support frame (1) is provided with a first screen (2); it is characterized in that it also includes a box (3) , the first motor (4), the first support plate (5), the second support plate (6), the third support plate (7), two groups of first telescopic rods (8), two groups of second telescopic rods (9 ), the first cross brace (10), the second cross brace (11), the second support frame (12), the second motor (13), the fourth support plate (14), the fifth support plate (15), two A group of third telescopic rods (16), two groups of fourth telescopic rods (17), a third cross brace (18), and a fourth cross brace (19), the box body (3) is provided with a first working chamber, The top of the box (3) is provided with a feed bell mouth (20), the output end of the feed bell mouth (20) communicates with the first working chamber, the first support plate (5), the second support plate The left end of plate (6) and the 4th support plate (14) is all connected with the inner left end wall of casing (3), and the right end of described 3rd support plate (7) and the 5th support plate (15) are all connected with casing ( 3) The inner right end wall is connected, the first motor (4) is arranged at the bottom end of the first support plate (5), and the output end of the first motor (4) is provided with a first eccentric wheel (21), so The tops of the two groups of first telescopic rods (8) are all connected with the bottom ends of the first cross braces (10), and the bottom ends of the two groups of first telescopic rods (8) are connected with the bottom ends of the second support plate (6). The top is connected, the second support frame (12) is provided with a second screen, the left end of the first support frame (1) is connected with the right end of the first cross brace (10), and the first support frame ( The right part of the bottom end of 1) is connected with the top end of the second cross brace (11), the bottom ends of the two groups of second expansion rods (9) are connected with the top end of the third support plate (7), and the two groups The top ends of the second telescopic rods (9) are all connected to the bottom ends of the second cross braces (11), and the two groups of first telescopic rods (8) and the two groups of second telescopic rods (9) are all provided with first Spring (22), the top of the first cross brace (10) is provided with a first arc-shaped plate (23), the top of the first arc-shaped plate (23) is connected with the bottom end of the first eccentric wheel (21) In close contact, the right end of the box (3) is provided with a first outlet, the second motor (13) is arranged at the bottom of the third support plate (7), and the second motor (13) The output end is provided with a second eccentric wheel (24), and the top ends of the two groups of third telescopic rods (16) are connected with the bottom ends of the third cross braces (18), and the two groups of third telescopic rods (16) The bottom end of each is connected with the top end of the fourth support plate (14), the bottom left part of the second support frame (12) is connected with the top end of the third cross brace (18), and the second support frame (12) ) is connected with the left end of the fourth cross brace (19), the tops of the fourth telescopic rods (17) of the two groups are all connected with the bottom ends of the fourth cross brace (19), the third telescopic rods of the two groups (16) and two groups of fourth telescoping rods (17) are all provided with the second spring (25), and the fourth cross brace (19) The top of the top is provided with a second arc-shaped plate (26), the top of the second arc-shaped plate (26) is in close contact with the bottom end of the second eccentric wheel (24), and the left end of the box (3) is provided with For the second discharge port, a discharge pipe (27) is provided at the bottom of the box body (3), and a discharge valve is provided on the discharge pipe (27). 2. A kind of municipal sand screening device as claimed in claim 1, is characterized in that, also comprises suction blower (28), suction bell (29), water tank (30) and connecting pipe (31), so A second working chamber is arranged in the water tank (30), the bottom end of the suction fan (28) is connected to the top left part of the box body (3), and the right end of the water tank (30) is connected to the box body (3). ) connected to the left end, the suction bell (29) is arranged on the inner top wall of the casing (3), and the output of the suction bell (29) communicates with the input of the suction fan (28), the The output end of the suction fan (28) communicates with the input end of the communication pipe (31), and the output end of the communication pipe (31) passes through the top wall of the water storage tank (30) from the top of the water storage tank (30) and extends into To the inside of the second working chamber, the top of the water tank (30) is provided with an exhaust port (32), and the exhaust port (32) communicates with the second working chamber. 3. A kind of municipal sand screening device as claimed in claim 2, characterized in that, a water inlet pipe (33) is provided on the top of the left end of the water holding tank (30), and an inlet pipe (33) is provided on the water inlet pipe (33). A water valve, the bottom of the left end of the box body (3) is provided with a water outlet pipe (34), and the water outlet pipe (34) is provided with a water outlet valve. 4. A kind of municipal sand screening device as claimed in claim 3, characterized in that, a conical plate (35) is arranged in the first working chamber, and the output end of the discharge pipe (27) is self-conical. The bottom end of the shaped plate (35) passes through the tapered plate (35) and passes out from the top of the tapered plate (35). 5. A kind of municipal sand screening device as claimed in claim 4, is characterized in that, the first material guide plate (36) is provided on the described first discharge port, and the second discharge port is provided with a second material guide plate (36). Material guide plate (37). 6. A municipal sand screening device as claimed in claim 5, characterized in that, the front end of the box (3) is provided with a first inspection port and a second inspection port, and the first inspection port and the second inspection port Inspection doors (38) are provided on the two inspection ports. 7. A municipal sand screening device according to claim 6, characterized in that, the front end of the water tank (30) is provided with an observation port (39), and the observation port (39) is provided with a transparent barrier plate. 8. A municipal sand screening device according to claim 7, characterized in that four sets of legs (40) are provided at the bottom of the box (3).