CN209918293U

CN209918293U - Asphalt pavement thermal regeneration aggregate screening vibrating screen

Info

Publication number: CN209918293U
Application number: CN201920563455.2U
Authority: CN
Inventors: 丁作良; 秦晓勇; 任登科
Original assignee: Xinxiang Green Machinery Ltd By Share Ltd
Current assignee: Xinxiang Green Machinery Ltd By Share Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-10
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a bituminous paving heat regeneration aggregate screening shale shaker, sieve incasement side arranges the multilayer crossbeam, all is provided with the screen cloth on every layer of crossbeam, and this screen cloth is through the straining device tensioning at its both ends, and wherein the lower floor's screen cloth adopts the polyurethane screen cloth for realize the screening of the difficult screening material of tiny particle in the bituminous paving heat regeneration aggregate, well upper screen cloth adopts the manganese steel wire to weave the screen cloth, is arranged in realizing the screening of the easy screening material of large granule in the bituminous paving heat regeneration aggregate. The utility model has the advantages of simple structure and reasonable design, be one kind specially to difficult screening material screening and can reach the shale shaker of multiple granularity classification purpose, have better application prospect in bituminous paving hot recycling aggregate screening field, the sieve case outside sets up the dust cover, when satisfying the environmental protection, can reduce the noise that the shale shaker screening in-process produced, the environmental protection benefit is higher.

Description

Asphalt pavement thermal regeneration aggregate screening vibrating screen

Technical Field

The utility model belongs to the technical field of screening equipment, concretely relates to bituminous paving hot recycling aggregate screening shale shaker.

Background

At present, asphalt pavements in China are initially large-scale, and the road building industry gradually changes from road building to road building and maintenance, so that a large amount of road building garbage is brought, and how to recycle the garbage is the primary problem facing at present. The road building industry always seeks an effective method to solve the problem and has seen the effect, but the asphalt milling material has the characteristics of viscosity and difficulty in grading and is a prominent problem transversely depending on the recycling of road building garbage. Therefore, designing an efficient vibrating screen for screening the hot recycled aggregate on the asphalt pavement to meet the actual demand is urgent.

Disclosure of Invention

The utility model provides a technical problem provide a bituminous paving hot recycling aggregate screening shale shaker to difficult screening material screening and can reach the multiple-granularity classification purpose specially.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme, bituminous paving hot recycling aggregate screening shale shaker, including the base, set up the buffering supporting seat on the base and set up the sieve case on the buffering supporting seat, its characterized in that: the sieve box is characterized in that a plurality of layers of cross beams are arranged on the inner side of the sieve box, a screen is arranged on each layer of cross beam, the screen is tensioned through tensioning mechanisms at two ends of the screen, a polyurethane screen is adopted as a lower layer of screen and used for screening small-particle materials difficult to screen in the asphalt pavement thermal regeneration aggregate, and a manganese steel wire woven screen is adopted as an upper layer of screen and used for screening large-particle materials easy to screen in the asphalt pavement thermal regeneration aggregate.

Preferably, the polyurethane screen mesh has a high-elasticity screen surface, and when the polyurethane screen mesh vibrates along with the screen box, the screen surface of the polyurethane screen mesh can effectively amplify the excitation force of the original screen mesh, so that the adhesion effect of viscous materials in the asphalt pavement thermal regeneration aggregate on the screen surface of the polyurethane screen mesh is obviously weakened, and the screen surface of the polyurethane screen mesh is prevented from blocking holes.

Preferably, the side plates of the screen box are provided with vibration excitation mechanisms, the vibration excitation mechanisms adopt two side plate type vibration motors which are fixed on the side plates on two sides of the screen box and are connected in series through universal couplings, and the vibration excitation mechanisms are used for realizing that the running track of the asphalt pavement thermal regeneration aggregate on the screen surface of the screen mesh is circular or elliptical.

Further preferably, the side plate type vibration motor is a frequency-adjustable motor or is externally connected with a frequency conversion device and used for improving the vibration strength of the screen box by increasing the frequency, so that the secondary vibration of the polyurethane screen is sharply enhanced, and the screen surface of the polyurethane screen is prevented from being blocked.

Further preferably, the conveying surface of the screen is obliquely arranged, the high end of the conveying surface of the screen is a feeding end, the low end of the conveying surface of the screen is a discharging end, and a material chute which is opposite to the output ends of the multiple layers of screens is arranged below the discharging end.

Preferably, the mesh openings of the screen mesh are distributed from top to bottom.

Further preferably, the sieve case outside is equipped with the dust cover, and this dust cover is fixed in on the base, and the position relative with sieve case feed end on the dust cover is equipped with the feed inlet.

The utility model discloses following beneficial effect has:

1. the utility model has simple structure and reasonable design, is a vibrating screen which is specially used for screening materials difficult to screen and can achieve the purpose of multi-granularity classification, and has better application prospect in the field of screening of hot recycled aggregate on asphalt pavement;

2. in the utility model, because the polyurethane screen has a high-elasticity screen surface, when the polyurethane screen vibrates along with the screen box, the screen surface of the polyurethane screen can effectively amplify the exciting force of the original screen, so that the adhesion effect of the viscous materials on the screen surface of the polyurethane screen is obviously weakened, and the screen surface of the polyurethane screen is prevented from blocking holes;

3. the utility model discloses an excitation mechanism adopts two side plate formula vibrating motors that realize the series connection by universal coupling that fix on the curb plate of sieve case both sides, and this side plate formula vibrating motor is adjustable frequency motor or side plate formula vibrating motor external frequency conversion equipment, can greatly improve sieve case vibration intensity when increasing the frequency, and then makes the secondary vibration of polyurethane screen cloth sharply strengthen, thereby further plays the screen surface hole blocking who prevents the polyurethane screen cloth;

4. the utility model discloses a sieve case outside sets up the dust cover, when satisfying the environmental protection, can reduce the noise that shale shaker screening in-process produced, and the environmental protection benefit is higher.

Drawings

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

fig. 2 is a side view of fig. 1.

In the figure: 1-screen box, 2-crossbeam, 3-manganese steel wire woven screen, 4-polyurethane screen, 5-side plate type vibration motor, 6-universal coupling and 7-dust cover.

Detailed Description

Combine the technical scheme of the utility model, bituminous paving heat regeneration aggregate screening shale shaker, including the base, set up the buffering supporting seat on the base and set up sieve case 1 on the buffering supporting seat, sieve 1 inboard is arranged multilayer crossbeam 2, all is provided with the screen cloth on every layer of crossbeam 2, and this screen cloth passes through the straining device tensioning at its both ends, and wherein lower floor's screen cloth adopts polyurethane screen cloth 4 for realize the screening of the difficult screening material of tiny particle in the bituminous paving heat regeneration aggregate, and middle and upper screen cloth adopts the manganese steel wire to weave screen cloth 3, is used for realizing the screening of the easy screening material of large granule in the bituminous paving heat regeneration aggregate.

Polyurethane screen cloth 4 has high elasticity sifter, and this polyurethane screen cloth 4 is when vibrating along with the sieve case, and polyurethane screen cloth 4's sifter can effectively enlarge former sieve exciting force, makes the stickness material in the hot recycled aggregate of bituminous paving adhere the effect on polyurethane screen cloth 4 sifter and obviously weakens to prevent polyurethane screen cloth 4's sifter stifled hole.

Be equipped with excitation mechanism on sieve case 1's the curb plate, what this excitation mechanism adopted is that two fixed curb plate formula vibrating motor 5 of establishing ties are realized by universal joint 6 to the curb plate of sieve case 1 both sides, excitation mechanism is used for realizing that the orbit of bituminous paving heat regeneration aggregate on the screen cloth sifter is circular or oval, curb plate formula vibrating motor 5 is adjustable frequency motor or this curb plate formula vibrating motor 5 external frequency conversion equipment is used for through increasing the frequency with the intensity of vibration that improves sieve case 1, and then makes the sharp enhancement of 4 secondary vibration of polyurethane screen cloth to prevent the screen cloth stifled hole of polyurethane screen cloth 4.

The conveying surface of the screen is obliquely arranged, the high end of the conveying surface of the screen is a feeding end, the low end of the conveying surface of the screen is a discharging end, and a material chute which is respectively opposite to the output ends of the multilayer screen is arranged below the discharging end; the screen meshes of the screen mesh are distributed from large to small from the top to the bottom; the sieve case 1 outside is equipped with dust cover 7, and this dust cover 7 is fixed in on the base, and the position relative with sieve case 1 feed end on the dust cover 7 is equipped with the feed inlet, when satisfying the environmental protection, can reduce the noise that the shale shaker screening in-process produced, and the environmental protection benefit is higher.

The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Asphalt pavement thermal regeneration aggregate screening shale shaker, including the base, set up the buffering supporting seat on the base and set up the sieve case on the buffering supporting seat, its characterized in that: the sieve box is characterized in that a plurality of layers of cross beams are arranged on the inner side of the sieve box, a screen is arranged on each layer of cross beam, the screen is tensioned through tensioning mechanisms at two ends of the screen, a polyurethane screen is adopted as a lower layer of screen and used for screening small-particle materials difficult to screen in the asphalt pavement thermal regeneration aggregate, and a manganese steel wire woven screen is adopted as an upper layer of screen and used for screening large-particle materials easy to screen in the asphalt pavement thermal regeneration aggregate.

2. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 1, characterized in that: the polyurethane screen mesh has a high-elasticity screen surface, and when the polyurethane screen mesh vibrates along with the screen box, the screen surface of the polyurethane screen mesh can effectively amplify the exciting force of an original screen, so that the adhesion effect of viscous materials in the asphalt pavement thermal regeneration aggregate on the screen surface of the polyurethane screen mesh is obviously weakened, and the screen surface of the polyurethane screen mesh is prevented from blocking holes.

3. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 1, characterized in that: the vibrating screen is characterized in that a vibration excitation mechanism is arranged on a side plate of the screen box, two side plate type vibrating motors which are fixed on the side plates on two sides of the screen box and are connected in series through universal couplings are adopted by the vibration excitation mechanism, and the vibration excitation mechanism is used for realizing that the running track of the asphalt pavement thermal recycled aggregate on the screen surface of the screen is circular or elliptical.

4. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 3, characterized in that: the side plate type vibration motor is a frequency-adjustable motor or is externally connected with a frequency conversion device and used for improving the vibration strength of the screen box by increasing the frequency, so that the secondary vibration of the polyurethane screen is sharply enhanced, and the screen surface of the polyurethane screen is prevented from being blocked.

5. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 1, characterized in that: the conveying surface of the screen is obliquely arranged, the high end of the conveying surface of the screen is a feeding end, the low end of the conveying surface of the screen is a discharging end, and a material chute which is respectively opposite to the output ends of the multiple layers of screens is arranged below the discharging end.

6. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 1, characterized in that: the screen meshes of the screen mesh are distributed from large to small from top to bottom.

7. The asphalt pavement hot recycled aggregate screening vibrating screen of claim 1, characterized in that: the sieve case outside is equipped with the dust cover, and this dust cover is fixed in on the base, and the position relative with sieve case feed end is equipped with the feed inlet on the dust cover.