CN210481956U

CN210481956U - Pitch mixer with shock-absorbing function

Info

Publication number: CN210481956U
Application number: CN201921077968.9U
Authority: CN
Inventors: 李飞; 王明红; 李栋; 王生财; 王峰; 杨欢; 王慧慧; 李向阳; 李海业; 李成德; 李存金; 张永生; 范青山; 罗泽峰
Original assignee: Qingdao No3 Road & Bridge Construction Co ltd
Current assignee: Qingdao No3 Road & Bridge Construction Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-08
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses an asphalt mixer with shock-absorbing function, including asphalt mixer body and damping device, damping device includes upper mounting panel, main damping spring, vice damping spring, attenuator, anticreep mechanism and mounting plate, the mixer body is installed on upper mounting panel, be provided with the shock insulation pad between upper mounting panel and the asphalt mixer body, main damping spring one end is installed in the main damping spring upper mount pad in the middle of the upper mounting panel and the other end is installed on the main damping spring lower mount pad in the middle of the mounting plate, vice damping spring sets up between upper mounting panel and mounting plate to there are a plurality ofly along mounting plate circumference equipartition, the attenuator is installed in vice damping spring inner circle; the utility model provides a thereby pitch mixer strike when unloading and the ejection of compact great and can continuously produce the problem that vibrates influence pitch mixer's life at the stirring in-process.

Description

Pitch mixer with shock-absorbing function

Technical Field

The utility model relates to a road construction machinery technical field specifically is a pitch mixer with shock-absorbing function.

Background

The asphalt stirrer is a mechanical device commonly used in road construction, asphalt is a high-viscosity liquid, the stirring process is not as easy as stirring a common liquid, irregular impact can be generated on the side wall of the stirrer in the stirring process to form vibration, the bottom of the stirrer can be impacted due to large change of the asphalt quality in the stirrer during discharging of a Liao river, the impact generated during discharging and discharging or the impact generated during the stirring process can be conducted to the ground, so that the stirrer and the ground cause vibration and friction to influence the service life of the stirrer, and the asphalt stirrer with the shock absorption function is required to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch mixer with shock-absorbing function aims at improving that pitch mixer strikes when unloading and ejection of compact is bigger to thereby and can continuously produce the vibration and shake and rub the problem that influences pitch mixer's life with ground at the stirring in-process

The utility model discloses a realize like this: an asphalt mixer with a shock absorption function comprises an asphalt mixer body and a shock absorption device, wherein the shock absorption device comprises an upper mounting plate, a main shock absorption spring, an auxiliary shock absorption spring, a damper, an anti-dropping mechanism and a mounting bottom plate; the shock insulation cushion between the stirrer body and the upper mounting plate plays a role in mounting and shock insulation, the shock absorption device is connected with the stirrer body, a main shock absorption spring and an accessory ballast spring in the shock absorption device are elastic elements, the main shock absorption spring plays a role in main supporting and shock absorption, an auxiliary shock absorption spring plays an auxiliary supporting and shock absorption role, the impact of the stirrer during feeding and discharging of the stirrer is larger, the impact of the stirrer on the mounting ground can be effectively reduced through the middle main shock absorption spring and the auxiliary shock absorption spring in one circle, the running stability of the stirrer is ensured, and the damper arranged in the auxiliary shock absorption spring can effectively absorb the vibration generated during stirring of the stirrer;

the anti-falling mechanism comprises an upper connecting rod, a lower connecting rod and two U-shaped frames, one U-shaped frame is installed on the bottom surface of the upper installation plate, the other U-shaped frame is installed on the installation bottom plate, and one end of the upper connecting rod is hinged to the U-shaped frame installed on the upper installation plate, and the other end of the upper connecting rod is hinged to the lower connecting rod. The other end of the lower connecting rod is hinged with a U-shaped frame arranged on the mounting bottom plate; the anti-falling mechanism can prevent the problem that the damping device is separated under the limit working condition of the asphalt mixer.

Further, a limiting block mounting cylinder is arranged in the main damping spring upper mounting seat, a limiting block is mounted in the limiting block mounting cylinder, and the limiting block is made of rubber materials; the stopper prevents to take place to enclose because the impact force is great causes the spring at pitch mixer unloading in-process, and influences the problem of damping performance and production abnormal sound.

Furthermore, a plurality of support frames are uniformly arranged on the outer side of the bottom surface of the mounting bottom plate, feet are mounted on the support frames, and the feet are connected with the support frames through screws; the height of the screw rods through adjusting the plurality of ground feet can prevent the damping device from being stable, so that the asphalt mixer can be conveniently installed on the road surface with uneven foundation.

Furthermore, two support lugs are symmetrically arranged on the side surface of the upper mounting plate relative to the longitudinal central plane, and a dustproof shield is arranged on the outer side of the mounting bottom plate and is connected with the upper mounting plate through the support lugs; asphalt mixer uses when road construction more, and its operational environment dust is great, gets into more dust and debris and can influence attenuator and absorbing shock attenuation effect and can produce the abnormal sound at work in attenuator and the spring mount pad, consequently can effectively block dust and debris through set up dust cover in the mounting plate outside and enter into damping device inside.

Furthermore, a limiting boss is arranged in the lower mounting seat of the main damping spring, and a limiting groove is arranged in the upper mounting seat of the main damping spring; asphalt mixer is when the operation because pitch is thicker its stirring and can produce certain yawing force, can prevent the risk that the spring deviates from under asphalt mixer's yawing force through the spacing groove that the mount pad set up on mount pad setting ground spacing boss and the main damping spring under the main damping spring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a damping device who sets up under pitch mixer body, damping device includes that the main damping spring at middle part and the vice damping spring's of a week combination use and has alleviated the impact of pitch mixer to ground, and the attenuator that vice damping spring set up can effectively attenuate pitch mixer's vibration, make pitch mixer can both guarantee good shock attenuation effect in the stage of unloading, stirring and the ejection of compact, and set up anti-disengaging mechanism, in order to prevent at pitch mixer under limit operating condition, the problem of the easy separation of damping device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of an asphalt mixer body according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the asphalt mixer body shown in FIG. 1;

FIG. 3 is a schematic view of the vibration-damping structure of the asphalt mixer body shown in FIG. 1;

in the figure: 1. an asphalt mixer body; 2. an upper mounting plate; 21. the main damping spring is provided with a mounting seat; 211. a limiting block mounting cylinder; 212. a limiting block; 213. a limiting groove; 22. Supporting a lug; 3. a main damping spring; 4. an auxiliary damping spring; 5. a damper; 6. an anti-drop mechanism; 61. an upper connecting rod; 62. a lower connecting rod; 63. a U-shaped frame; 7. mounting a bottom plate; 71. a main damping spring lower mounting seat; 711. a limiting table; 72. a support; 73. ground feet; 731. a screw; 8. a shock insulation pad; 9. a dust shield.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in the embodiment of the present invention,

an asphalt mixer with shock absorption function comprises an asphalt mixer body and a shock absorption device, wherein the shock absorption device comprises an upper mounting plate 2, a main shock absorption spring 3, an auxiliary shock absorption spring 4, a damper 5, an anti-falling mechanism 6 and a mounting bottom plate 7, the mixer body 1 is mounted on the upper mounting plate 2, the upper mounting plate 2 is of a disc-shaped structure, the side surface of the upper mounting plate is provided with a flanging, a shock insulation pad 8 is arranged between the upper mounting plate 2 and the bottom surface of the asphalt mixer body 1, the cross section of the shock insulation pad 8 is an L-shaped rubber pad, the main shock absorption spring 3 is a common steel spring, the surface of the main shock absorption spring is sprayed with anti-rust paint, one end of the main shock absorption spring 3 is mounted in a main shock absorption spring upper mounting seat 21 in the middle of the upper mounting plate 2, the other end of the main shock absorption spring upper, the lower mounting seat 71 of the main damping spring is welded in the middle of the mounting bottom plate 7, the surfaces of the auxiliary damping springs 4 and the main damping spring 3 are coated with antirust paint in the same way, the pitch diameter of the auxiliary damping springs 4 is smaller than that of the main damping spring 3, the impact of the stirring machine on the base is large when the stirring machine is fed and discharged, the main damping springs 3 play a main supporting and damping role, the auxiliary damping springs 4 play a further damping role, the auxiliary damping springs 4 are mounted between the upper mounting plate 2 and the mounting

bottom plate

7, and 4 damping springs are uniformly distributed along the circumference of the mounting bottom plate 7; the upper end of the damper 5 is a hydraulic damper, the upper mounting plate 2 is mounted on the lower mounting plate 7 through a bolt, the lower end of the damper is mounted on the mounting bottom plate 7 through a bolt, the damper 5 is mounted in the inner ring of the auxiliary damping spring 4, the damper 5 and the auxiliary damping spring 4 are combined together, when the stirring machine is used for stirring, vibration of the stirring machine is mainly generated by rotation of asphalt liquid and is small-amplitude vibration, most of the vibration can be transmitted from the side wall of the stirring machine, and therefore the auxiliary damping spring 4 and the damper are combined together and distributed along the circumference of the bottom of the stirring machine, and the vibration generated when the stirring machine is used can be effectively reduced; an anti-falling mechanism 6 is further arranged between the upper mounting plate 2 and the mounting base plate 7, the anti-falling mechanism 6 comprises an upper connecting rod 61, a lower connecting rod 62 and two U-shaped frames 63, one U-shaped frame 63 is welded on the bottom surface of the upper mounting plate 2, the other U-shaped frame is welded on the mounting base plate 7, one end of the upper connecting rod 61 is hinged with the U-shaped frame 63 mounted on the upper mounting plate 2 through a pin shaft and is provided with a cotter pin, the other end of the upper connecting rod 61 is hinged with the lower connecting rod 62 through a pin shaft, and the other end of the lower connecting; when the asphalt mixer body 1 and the upper mounting plate 2 vibrate up and down together, the upper connecting rod 61 and the lower connecting rod 62 of the anti-falling mechanism 6 are hinged through a pin shaft and can be folded, contracted and stretched, the anti-falling mechanism 6 can prevent the problem that the upper mounting plate 2 and the mounting base plate 7 of the damping device are separated under the limit working condition of the asphalt mixer, and lubricating grease is coated at the hinged position of the connecting rods, so that the anti-falling mechanism 6 is ensured not to generate abnormal sound in the movement process;

referring to fig. 1, 2 and 3, a limiting block mounting cylinder 211 is arranged in a main damping spring upper mounting seat 21, and a limiting block 212 made of rubber material is mounted in the main damping spring upper mounting seat, and the limiting block 212 prevents the problems that the damping performance is affected and abnormal sound is generated due to the fact that springs are combined due to large impact force in the blanking process of an asphalt mixer;

referring to fig. 1, 2 and 3, 8 support frames 72 are uniformly welded on the outer side of the bottom surface of the mounting bottom plate 7, the anchor 73 is in threaded connection with the support frames through a screw 731 on the anchor, and locking nuts are mounted on the upper and lower surfaces of the support frame 73; the damping device can be stably placed by adjusting the heights of the screws 73 of the plurality of ground feet 73, so that the asphalt mixer can be conveniently installed on the road surface with uneven foundation;

referring to fig. 1, 2 and 3, two support lugs 22 are symmetrically arranged on the side surface of the upper mounting plate 2 about the longitudinal central plane, a dust-proof shield 9 is arranged on the outer side of the upper mounting plate 2, and the dust-proof shield 9 is mounted on the support lugs 22 through bolts; because the asphalt mixer is used when the road construction is carried out, the dust in the working environment is large, and the damping effect of the damper 5 and the spring can be influenced by more dust and sundries entering the damper 5 and the spring mounting seat and abnormal sound can be generated in the working process, so that the dust-proof shield 8 is required to be arranged outside the upper mounting plate 2 to prevent the dust and the sundries from entering the damping device.

Referring to fig. 1, 2 and 3, a limiting boss 711 is disposed in the lower mounting seat 71 of the main damping spring, and a limiting groove 213 is disposed in the upper mounting seat 21 of the main damping spring; the pitch mixer can generate certain lateral force when running because the pitch is thicker and the pitch is stirred, and the risk that the spring is separated out under the action of large lateral force of the pitch mixer can be prevented through the limiting boss 711 arranged on the lower mounting seat 71 of the main damping spring and the limiting groove 213 arranged on the upper mounting seat 21 of the main damping spring.

The working principle is as follows: when the asphalt mixer is used for blanking and discharging, irregular impact can be generated on the bottom of the mixer due to sudden change of the mass in the mixing drum, and the irregular impact is transmitted to the ground through the mounting base of the mixer to cause the continuous vibration of the mixer and the ground, so that the service life of the mixer is influenced; the main damping spring 3 and the auxiliary damping spring 4 arranged between the upper mounting plate 2 and the mounting bottom plate 7 alleviate the impact vibration of the stirrer to the ground, and the damper 5 converts the vibration of the asphalt stirrer into internal energy through the combined action of an internal valve system, thereby playing the role of damping the vibration.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an asphalt mixer with shock-absorbing function, includes asphalt mixer body (1) and damping device, its characterized in that: the damping device comprises an upper mounting plate (2), a main damping spring (3), an auxiliary damping spring (4), a damper (5), an anti-dropping mechanism (6) and a mounting bottom plate (7), the stirring machine body (1) is arranged on the upper mounting plate (2), a shock insulation pad (8) is arranged between the upper mounting plate (2) and the asphalt stirring machine body (1), one end of the main damping spring (3) is arranged on a main damping spring upper mounting seat (21) in the middle of the upper mounting plate (2), the other end is arranged on a main damping spring lower mounting seat (71) in the middle of the mounting bottom plate (7), the auxiliary damping spring (4) is arranged between the upper mounting plate (2) and the mounting bottom plate (7), a plurality of dampers (5) are uniformly distributed along the circumference of the mounting bottom plate (7) and are mounted in the inner ring of the auxiliary damping spring (4), one end of the connecting rod is connected with the upper mounting plate (2), and the other end of the connecting rod is connected with the mounting bottom plate (7);

anti-disengaging mechanism (6) include connecting rod (61), lower connecting rod (62) and two U type frame (63), install on mounting plate (2) bottom surface another on mounting plate (7) for one of U type frame (63), it is articulated with lower connecting rod (62) with the U type frame (63) articulated other end of installing on last mounting plate (2) to go up connecting rod (61) one end, the other end of lower connecting rod (62) is articulated with U type frame (63) of installing on mounting plate (7).

2. The asphalt mixer with the shock absorption function according to claim 1, wherein a limiting block mounting cylinder (211) is arranged in the main shock absorption spring upper mounting seat (21), and a limiting block (212) is mounted in the limiting block mounting cylinder, and the limiting block (212) is made of rubber material.

3. The asphalt mixer with the shock absorption function according to claim 1, wherein a plurality of supporting frames (72) are uniformly arranged on the outer side of the bottom surface of the mounting base plate (7), feet (73) are arranged on the supporting frames (72), and the feet are connected with the supporting frames (72) through screws (731).

4. An asphalt mixer with shock absorption function according to claim 1, wherein two support lugs (22) are symmetrically arranged on the side surface of the upper mounting plate (2) about the longitudinal central plane, a dust-proof shield (9) is arranged on the outer side of the upper mounting plate (2), and the dust-proof shield (9) is connected with the upper mounting plate (2) through the support lugs (22).

5. An asphalt mixer with damping function according to claim 1, wherein a limit boss (711) is provided in the main damping spring lower mounting seat (71), and a limit groove (213) is provided in the main damping spring upper mounting seat (21).