CN213494873U

CN213494873U - Gravel and sand screening plant is used in road bridge construction

Info

Publication number: CN213494873U
Application number: CN202022426447.9U
Authority: CN
Inventors: 郝小强; 王国利; 郭妮妮; 刘永亮; 郭睿君
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-22
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a gravel and sand screening plant is used in road and bridge construction, including auger conveyor, base and screening jar, the base top is fixed with the equidistant spring flexible support column that just is the annular and distributes through the bolt, and the top of spring flexible support column is connected with the bottom of screening jar, screening tank deck portion is passed through the bolt fastening and is had the feeder hopper, and it has the feed inlet to open on the inner wall of feeder hopper one side, auger conveyor's discharge end is connected with the defeated sack pipe, and carries the sack pipe and pass through rivet connection with the inner wall of feed inlet. The utility model discloses can increase the dwell time of gravel and sand on the spiral screening groove, drive the screening jar through vibrating motor and vibrate from top to bottom simultaneously, sand and stone separation with higher speed improves screening efficiency, all is equipped with the spring in buffering subassembly and the flexible support column of spring, can play the buffering guard action to the screening jar, avoids screening jar striking base, can directly carry the gravel and sand of low department to the screening jar in, practices thrift the manpower resources of material loading.

Description

Gravel and sand screening plant is used in road bridge construction

Technical Field

The utility model relates to a screening plant technical field especially relates to a road and bridge construction is with husky stone screening plant.

Background

Along with the development of science and technology, building equipment has had development to a great extent, and its development has brought very big facility for people when building to worker's building, and grit screening plant for construction is the device that is very common among the building equipment, and it can be sieved the grit to satisfy different user demands, its kind and quantity are also being with day.

The gravel and sand screening device that road bridge work progress used is open design, and dry gravel and sand screening produces the raise dust easily, and because its screen cloth stroke is shorter, partial gravel and sand still can not separate completely from screen cloth top landing to screen cloth bottom in-process, consequently need sieve remaining gravel and sand once more, and screening efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the gravel and sand screening plant is used in road bridge construction that provides.

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

a gravel and sand screening device for road and bridge construction comprises an auger conveyor, a base and a screening tank, wherein spring telescopic support columns which are equidistantly and annularly distributed are fixed at the top of the base through bolts, the tops of the spring telescopic support columns are connected with the bottom of the screening tank, a feed hopper is fixed at the top of the screening tank through bolts, a feed inlet is formed in the inner wall on one side of the feed hopper, a conveying cloth bag pipe is connected to the discharge end of the auger conveyor, the conveying cloth bag pipe is connected with the inner wall of the feed inlet through rivets, a spiral screening tank is welded on the inner wall of the screening tank, sieve meshes which are equidistantly distributed are formed in the inner wall on the bottom of the spiral screening tank, a discharge outlet is formed in the bottom position of the inner wall on one side of the screening tank, a stone outlet groove is welded on the inner wall of the discharge outlet, an inclined plate is welded on the inner wall on the bottom of the screening tank, sand outlet holes which, and the inner wall of the sand outlet hole is connected with a sand outlet pipe, and the bottom of the screening tank is provided with a vibration mechanism.

Preferably, the vibration mechanism comprises a vibration motor, the top and the bottom of the vibration motor are both connected with buffering components through bolts, and the two buffering components are respectively connected with the bottom of the screening tank and the top of the base through bolts.

Preferably, the buffering component comprises a first spring, and rubber plates are sleeved on the top and the bottom of the first spring.

Preferably, the spring telescopic supporting column comprises a sleeve, a second spring is welded to the inner wall of the bottom of the sleeve, and a supporting rod connected with the inner wall of the top of the sleeve in a sliding mode is welded to the top of the second spring.

Preferably, the bottom of the feed hopper is connected with a blanking pipe, and the bottom of the blanking pipe extends into the spiral screening groove.

Preferably, the top of the spiral screening groove is clamped with a cover plate, and the outer wall of one side of the screening tank is provided with an access door.

The utility model has the advantages that:

1. the spiral screening groove with the spiral structure can increase the retention time of sand and stones on the spiral screening groove, and meanwhile, the screening tank is driven by the vibration motor to vibrate up and down, so that the separation of sand and stones is accelerated, and the screening efficiency is improved;

2. springs are arranged in the buffer assembly and the spring telescopic support columns, so that the buffer protection effect on the screening tank can be realized, and the screening tank is prevented from impacting the base;

3. the auger conveyor can directly convey the sand and stones at the lower part into the screening tank, so that the manpower resource of feeding is saved.

Drawings

FIG. 1 is a schematic structural view of a gravel and sand screening device for road and bridge construction provided by the present invention;

FIG. 2 is a schematic structural view of a vibrating mechanism of the gravel screening device for road and bridge construction provided by the utility model;

fig. 3 is the utility model provides a road and bridge construction is with gravel and sand screening plant's spring telescopic support column schematic diagram.

In the figure: the device comprises an auger conveyor 1, a screening tank 2, a feed hopper 3, a cloth bag conveying pipe 4, a blanking pipe 5, a spiral screening groove 6, an inclined plate 7, a stone outlet groove 8, a sand outlet pipe 9, a spring telescopic supporting column 10, a vibrating mechanism 11, a base 12, a vibrating motor 13, a first spring 14, a rubber plate 15, a sleeve 16, a second spring 17 and a supporting rod 18.

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. 1-3, a gravel and sand screening device for road and bridge construction comprises an auger conveyor 1, a base 12 and a screening tank 2, wherein spring telescopic support columns 10 which are distributed in an annular shape and are equidistant are fixed at the top of the base 12 through bolts, the top of each spring telescopic support column 10 is connected with the bottom of the screening tank 2, a feed hopper 3 is fixed at the top of the screening tank 2 through bolts, a feed inlet is formed in the inner wall of one side of the feed hopper 3, a conveying cloth bag pipe 4 is connected with the discharge end of the auger conveyor 1, the conveying cloth bag pipe 4 is connected with the inner wall of the feed inlet through rivets, a spiral screening tank 6 is welded on the inner wall of the screening tank 2, sieve holes which are distributed equidistantly are formed in the inner wall of the bottom of the spiral screening tank 6, a discharge outlet is formed in the bottom position of the inner wall of one side of the screening tank 2, a stone outlet 8 is welded on the inner wall of the discharge outlet, the screening tank is characterized in that a sand outlet hole which is contacted with the bottom of the inclined plate 7 is formed in the outer wall of one side of the screening tank 2, a sand outlet pipe 9 is connected to the inner wall of the sand outlet hole, a vibration mechanism 11 is arranged at the bottom of the screening tank 2, the vibration mechanism 11 comprises a vibration motor 13, the top and the bottom of the vibration motor 13 are both connected with a buffer component through bolts, the two buffer components are respectively connected with the bottom of the screening tank 2 and the top of the base 12 through bolts, the buffer component comprises a first spring 14, rubber plates 15 are sleeved at the top and the bottom of the first spring 14, the spring telescopic support column 10 comprises a sleeve 16, a second spring 17 is welded on the inner wall of the bottom of the sleeve 16, a support rod 18 which is connected with the inner wall of the top of the sleeve 16 in a sliding manner is welded at the top of the second spring 17, a blanking pipe 5 is connected at the bottom of the, 6 tops joints in spiral screening groove have the apron, and screening jar 2 one side outer wall installs the access door.

The working principle is as follows: carry gravel and sand to feeder hopper 3 in through auger conveyor 1, gravel and sand gets into helical structure's spiral screening groove 6 through unloading pipe in, can increase the dwell time of gravel and sand on spiral screening groove 6, drive screening jar 2 through vibrating motor 13 simultaneously and vibrate from top to bottom, with higher speed sand and stone separation, improve screening efficiency, all be equipped with the spring in buffer unit and the flexible support column 10 of spring, can play the buffering guard action to screening jar 2, avoid screening jar striking base 12.

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. The utility model provides a road and bridge construction is with husky stone screening plant, includes auger conveyor (1), base (12) and screening jar (2), its characterized in that, the base (12) top is fixed with equidistant spring telescopic stay post (10) that just is the annular and distributes through the bolt, and the top of spring telescopic stay post (10) is connected with the bottom of screening jar (2), screening jar (2) top is fixed with feeder hopper (3) through the bolt, and it has the feed inlet to open on the inner wall of feeder hopper (3) one side, the discharge end of auger conveyor (1) is connected with conveying sack pipe (4), and conveying sack pipe (4) passes through rivet connection with the inner wall of feed inlet, the welding has spiral screening groove (6) on the inner wall of screening jar (2), and opens the sieve mesh that has the equidistance and distributes on the bottom inner wall of spiral screening groove (6), the bottom position department of screening jar (2) one side inner wall opens there is the discharge gate, and the inner wall welding of discharge gate has stone groove (8), it has swash plate (7) to slope weld on the inner wall of screening jar (2) bottom, it has the sand outlet hole that contacts bottom swash plate (7) to open on the outer wall of screening jar (2) one side, and sand outlet hole inner wall is connected with sand outlet pipe (9), screening jar (2) bottom is provided with vibration mechanism (11).

2. The gravel and sand screening device for road and bridge construction is characterized in that the vibration mechanism (11) comprises a vibration motor (13), the top and the bottom of the vibration motor (13) are connected with buffer components through bolts, and the two buffer components are respectively connected with the bottom of the screening tank (2) and the top of the base (12) through bolts.

3. A gravel screening device for road and bridge construction according to claim 2, wherein the buffer component comprises a first spring (14), and rubber plates (15) are sleeved on the top and the bottom of the first spring (14).

4. The gravel screening device for road and bridge construction as claimed in claim 1, wherein the spring telescopic supporting column (10) comprises a sleeve (16), a second spring (17) is welded on the inner wall of the bottom of the sleeve (16), and a supporting rod (18) which is slidably connected with the inner wall of the top of the sleeve (16) is welded on the top of the second spring (17).

5. A gravel screening device for road and bridge construction according to claim 1, wherein the bottom of the feed hopper (3) is connected with a blanking pipe (5), and the bottom of the blanking pipe (5) extends into the spiral screening groove (6).

6. The gravel and sand screening device for road and bridge construction as claimed in claim 1, wherein a cover plate is clamped at the top of the spiral screening groove (6), and an access door is installed on the outer wall of one side of the screening tank (2).