CN215903758U - Stirring barrel assembly of stirring vehicle and stirring vehicle - Google Patents

Abstract

The present disclosure relates to a mixing drum assembly of a mixing truck and a mixing truck. This churn subassembly includes the churn, spiral (mixing) shaft and feed mechanism, the rear end of churn is provided with first opening, spiral (mixing) shaft's front end is connected in the churn, feed mechanism includes main part spare, hopper and shutoff piece, the front end of main part spare links to each other with the churn, the main part spare has the cavity and all communicates with the cavity second opening, third opening and the ejection of compact, spiral (mixing) shaft's rear end stretches into the cavity via the second opening, in order to follow the first opening pay-off of cavity orientation with the material through spiral (mixing) shaft's rotation, the hopper passes through third opening and cavity intercommunication, the shutoff piece activity sets up in main part spare, in order to be used for opening or closing the discharge gate. The mixing drum component can reduce the risk of material overflow of the mixing drum, improve the volume utilization rate of the mixing drum, facilitate the reduction of the whole vehicle height of the mixing truck, reduce the center of gravity of the whole vehicle and improve the balance and safety of the running of the whole vehicle. In addition, concrete segregation and solidification in the body member can be avoided.

Description

Stirring barrel assembly of stirring vehicle and stirring vehicle

Technical Field

The disclosure relates to the technical field of engineering machinery, in particular to a stirring cylinder assembly of a stirring vehicle and the stirring vehicle.

Background

The concrete mixer truck is a special vehicle widely applied to engineering and building industries, a unique concrete mixing device combination machine is installed on a truck or a special transportation chassis, and the special concrete mixer truck has double functions of conveying and mixing concrete. In the transportation process, the mixing drum rotates to continuously mix the concrete inside the mixing drum at a constant speed, so that the quality of the premixed concrete is ensured, and the loading and unloading work can be automatically completed. The current common type is an inclined cylinder type concrete mixer, namely, a mixing cylinder of the mixing cylinder is arranged obliquely upwards, the rear end of the mixing cylinder is higher than the front end, a feeding hole and a discharging hole at the rear end of the mixing cylinder are opened, and material overflow can occur when the mixer runs on a large-gradient road surface to go up a slope.

In addition, the height of the whole vehicle is high due to the inclined arrangement of the mixing drum, the general height reaches the limit height of 4 meters required by the laws and regulations, and for a large mixing drum, the height even exceeds 4 meters. The center of gravity is higher, which causes the stability of the whole vehicle to be poor, the vehicle is easy to turn over, and the safety is lower. Because the feed inlet and the discharge gate of the concrete of churn are open, then the feed inlet height has decided the load capacity of churn. Considering the situations of vehicle uphill material overflow and the like, the loading of the mixing drum has a part of empty volume, and the empty volume accounts for about 40%, so that the empty volume of the mixing drum is large, and the volume utilization rate is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stirring barrel subassembly and trucd mixer of trucd mixer, this stirring barrel subassembly can reduce the risk of churn flash, improves the volume utilization ratio of churn, and is favorable to reducing the whole car height of trucd mixer, reduces whole car focus, promotes the equilibrium and the security that whole car traveles.

In order to achieve the above object, according to a first aspect of the present disclosure, there is provided a drum assembly of a mixer truck, the mixing drum component comprises a mixing drum, a spiral mixing shaft and a feeding mechanism, wherein the rear end of the mixing drum is provided with a first opening, the front end of the spiral stirring shaft is connected with the stirring cylinder, the feeding mechanism comprises a main body piece, a hopper and a plugging piece, the front end of the main body part is connected with the mixing drum, the main body part is provided with a cavity, a second opening, a third opening and a discharging opening which are communicated with the cavity, the rear end of the spiral mixing shaft extends into the cavity through the second opening, to feed material from the chamber towards the first opening by rotation of the helical agitator shaft, the hopper is communicated with the chamber through the third opening, and the blocking piece is movably arranged on the main body piece and used for opening or closing the discharge hole.

Optionally, the diameter of the first opening is larger than that of the spiral stirring shaft, and the front end of the spiral stirring shaft extends into the stirring barrel through the first opening and is fixed on the inner wall of the stirring barrel.

Optionally, a central axis of the spiral stirring shaft, a central axis of the stirring drum, and a central axis of the first opening coincide.

Optionally, the feed mechanism further comprises a feed pipe, the hopper is communicated with the third opening through the feed pipe, and the feed pipe is arranged along the vertical direction, so that the height of the feed port at the upper end of the hopper is not lower than the height of the highest point of the inner chamber of the mixing drum.

Optionally, the inner wall of the chamber is provided with a centering bracket, and the rear end of the spiral stirring shaft is rotatably connected to the centering bracket.

Optionally, a discharge pipe is formed on the main body member, a lower end of the discharge pipe is opened to construct the discharge hole, and the blocking member is movably connected to the discharge pipe in a radial direction of the discharge pipe.

Optionally, the churn subassembly still includes the connecting tube strap, the connecting tube strap is used for the joint the rear end of churn with the front end of main part, with the intercommunication first opening with the second opening, the connecting tube strap includes half first pipe strap and half pipe strap of second, the one end of half first pipe strap with the one end of half pipe strap of second is articulated, the other end of half first pipe strap with the other end of half pipe strap of second passes through the fastener and can dismantle the connection, the inner wall of half first pipe strap is equipped with first recess, the inner wall of half pipe strap of second is equipped with the second recess, first recess with the second recess can enclose into an annular groove, the rear end of churn is equipped with first connecting flange, rotatable and the axial of first connecting flange circumference is spacing in the annular groove.

Optionally, a second connecting flange is arranged at the front end of the main body piece, the second connecting flange is connected in the annular groove, and the second connecting flange and the first connecting flange are arranged along the axis of the mixing drum.

Optionally, an insertion protrusion is arranged on the first half pipe clamp and/or the second half pipe clamp, and the insertion protrusion is configured to be capable of being fixed so as to ensure that the connecting pipe does not rotate with the mixing drum when the mixing drum rotates.

According to another aspect of the present disclosure, a mixer truck is provided, which includes a chassis and the above-mentioned mixing drum assembly, wherein the mixing drum is horizontally arranged on the chassis.

In the churn that this disclosure provided, owing to be provided with the shutoff piece, at the trucd mixer feeding and the in-process of traveling, usable shutoff piece closes the discharge gate, avoids material (like the concrete) to leak the material from the discharge gate. Moreover, due to the arrangement of the spiral stirring shaft, when the stirring cylinder rotates, the spiral stirring shaft is driven to rotate, so that the materials can move towards the inside of the stirring cylinder. Meanwhile, in the rotating process of the mixing drum, the materials in the mixing drum can move towards the front end of the mixing drum. Like this, under the dual function of spiral stirring shaft and churn, be favorable to reducing the risk of material from hopper flash when the trucd mixer traveles, reduce the risk of material from hopper flash when the trucd mixer travels on an uphill slope on the road surface of heavy grade.

Due to the fact that the scheme is favorable for reducing the risk of overflowing of materials from the hopper, the mixing drum can be horizontally arranged on the truck body of the mixing truck, for example, the mixing drum is horizontally arranged on the chassis of the truck body. And the mixing drum is horizontally arranged, so that the volume utilization rate of the mixing drum can be improved, the whole vehicle height of the mixing vehicle is favorably reduced, the center of gravity of the whole vehicle is reduced, the vehicle overturning can be avoided, and the running stability and safety of the whole vehicle are improved.

In addition, because the spiral stirring shaft can play the effect of stirring to the concrete in the main part, can avoid the concrete segregation in the main part and solidify.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic front view of a blending truck of an embodiment provided by the present disclosure, wherein a blending barrel assembly is shown;

FIG. 2 is a schematic drawing in partial cross-section of some of the component parts of an embodiment of a mixing barrel assembly provided by the present disclosure, wherein mixing blades are shown;

FIG. 3 is a schematic structural diagram of a connecting position of a mixing drum and a spiral mixing shaft of the mixing drum assembly provided by the disclosure;

FIG. 4 is a schematic front view of a feed mechanism of an embodiment provided by the present disclosure;

FIG. 5 is a schematic cross-sectional view of the feed mechanism, mixing drum, and adapter card assembly position according to one embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a connector clip according to one embodiment of the present disclosure;

FIG. 7 is a schematic view in section along line A-A of FIG. 6;

FIGS. 8 and 9 are schematic views of a mixing drum assembly charging process according to an embodiment of the present disclosure, wherein arrows show the flow direction of concrete;

FIG. 10 is a schematic illustration of a mixing drum assembly discharge or cleaning process according to one embodiment of the present disclosure, wherein arrows show the flow direction of concrete and cleaning fluid;

fig. 11 is a schematic view of a mixer truck according to an embodiment of the present disclosure in a state of traveling on a steep slope.

Description of the reference numerals

100-a mixing drum assembly; 10-a mixing drum; 11-a first opening; 12-inner wall of mixing drum; 13-a first connecting flange; 14-a third connecting flange; 15-a guide rail; 20-a spiral stirring shaft; 21-optical axis; 22-helical blades; 23-mounting a bracket; 30-a feeding mechanism; 31-a body member; 311-a second opening; 312-a discharge port; 313-a second attachment flange; 32-a hopper; 321-the feed inlet of the hopper; 33-a closure; 34-a feed pipe; 35-centering the holder; 36-a discharge pipe; 40-connecting a pipe clamp; 41-first half pipe clamp; 42-second half pipe strap; 43-an annular groove; 44-a plug-in projection; 50-a fastener; 60-a seal; 70-stirring blades; 200-a chassis; 300-a support mechanism; 400-a cleaning mechanism; 500-stirring power mechanism; 600-material; 1000-mixer truck.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, terms such as "up, down, front, and rear" are used unless otherwise stated, and are generally based on up, down, front, and rear of the mixer truck when the mixer truck is in a normal driving state, where an end where a head of the mixer truck is located is a front end, and an end where a tail of the mixer truck is located is a rear end. The term "inner and outer" refers to the inner and outer parts of the relevant component. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

As shown in fig. 1 to 11, according to an aspect of the present disclosure, there is provided a churn assembly 100 of a mixer truck 1000, the churn assembly 100 including a churn 10, a helical mixing shaft 20, and a feeding mechanism 30. Wherein, the rear end of the mixing drum 10 is provided with a first opening 11, and the front end of the spiral mixing shaft 20 is connected to the mixing drum 10. The feeding mechanism 30 comprises a main body member 31, a hopper 32 and a blocking member 33, the front end of the main body member 31 is connected with the mixing drum 10, the main body member 31 is provided with a chamber 314 and a second opening 311, a third opening and a discharge port 312 which are all communicated with the chamber 314, and the rear end of the spiral stirring shaft 20 extends into the chamber of the main body member 31 through the second opening 311 so as to feed the material (such as concrete) from the chamber to the first opening 11 through the rotation of the spiral stirring shaft 20, thereby enabling the material to enter the interior of the mixing drum 10. The hopper 32 is connected to the chamber 314 through a third opening, and the blocking member 33 is movably disposed on the main body member 31 for opening or closing the discharge port 312.

In the mixing drum 10 provided by the present disclosure, due to the provision of the blocking piece 33, during the feeding and running processes of the mixer truck 1000, the discharge port 312 can be closed by using the blocking piece 33, so as to prevent the material (such as the concrete 600) from leaking from the discharge port 312. Moreover, since the spiral stirring shaft 20 is provided, when the stirring drum 10 rotates, the spiral stirring shaft 20 is rotated, and the material can be moved toward the inside of the stirring drum 10. Meanwhile, during the rotation of the mixing drum 10, the material inside the mixing drum 10 can move towards the front end thereof. Thus, under the dual action of the spiral stirring shaft 20 and the stirring drum 10, the risk of material overflowing from the hopper 32 when the stirring vehicle 1000 runs is favorably reduced, and the risk of material overflowing from the hopper 32 when the stirring vehicle 1000 runs on an uphill slope on a large-gradient road surface is reduced.

Due to the adoption of the scheme, the risk of material overflowing from the hopper 32 is favorably reduced, so that the mixing drum 10 can be horizontally arranged on the vehicle body of the mixing truck 1000, for example, on the chassis 200 of the vehicle body. And the horizontal arrangement of the mixing drum 10 can promote the volume utilization rate of the mixing drum 10, is favorable for reducing the whole vehicle height of the mixing vehicle 1000, reduces the gravity center of the whole vehicle, can avoid the turnover, and promotes the running stability and safety of the whole vehicle.

In addition, since the spiral stirring shaft 20 can stir the concrete 600 in the main body member 31, the concrete 600 in the main body member 31 can be prevented from being segregated and solidified.

As shown in fig. 2 and 3, in one embodiment of the present application, the diameter of the first opening 11 is larger than the diameter of the helical stirring shaft 20, and the front end of the helical stirring shaft 20 extends into the interior of the stirring cylinder 10 through the first opening 11 and is fixed (e.g., welded) to the inner wall 12 of the stirring cylinder. The spiral stirring shaft 20 is fixedly connected to the inner wall 12 of the stirring drum, so that on one hand, the connection strength and rigidity of the spiral stirring shaft and the stirring drum can meet the working requirements. On the other hand, the overall appearance quality of the mixing drum 10 is improved.

Optionally, in an embodiment of the present disclosure, a central axis of the helical stirring shaft 20, a central axis of the stirring cylinder 10, and a central axis of the first opening 11 coincide. With such an arrangement, it is beneficial to deliver the concrete 600 into the mixing drum 10 as quickly as possible while achieving a uniform mixing effect on the concrete 600.

It will be appreciated that in other embodiments of the present application, the forward end of the helical agitator shaft 20 may be attached to the outside wall of the mixing drum 10, as long as feeding of material towards the interior of the mixing drum 10 is achieved.

As shown in FIG. 3, helical agitator shaft 20 may include an optical axis 21 and helical blades 22 disposed on optical axis 21. The optical axis 21 may be fixed to the inner wall of the mixing drum 10 through a hollow mounting bracket 23, and the mounting bracket 23 is hollow to allow the concrete 600 to pass through and enter the mixing drum 10.

In one embodiment of the present application, as shown in fig. 4, the churn assembly 100 further comprises a feed pipe 34, the hopper 32 communicates with the third opening through the feed pipe 34, and the feed pipe 34 is arranged in an up-down direction such that the height of the feed opening at the upper end of the hopper 32 is not lower than the height of the highest point of the inner chamber of the churn 10. The provision of the feed pipe 34 facilitates increasing the height of the feed opening 321 of the hopper 32 so that the height of the feed opening at the upper end of the hopper 32 is not lower than the height of the highest point of the inner chamber of the mixing drum 10 during driving of the mixer truck 1000, particularly on a steep slope, so that the mixing drum 10 and the concrete 600 in the main body 31 do not overflow through the feed opening 321 of the hopper 32.

It should be noted that the present disclosure does not limit the relationship between the height of the feed opening of the hopper 32 and the height of the highest point of the internal chamber of the agitating drum 10, and the former height may be not lower than the latter height, or the former height may be lower than the latter height.

In addition, the hopper 32 is arranged in the up-down direction, which may mean that the hopper 32 is arranged in the vertical direction, the axis of the feeding port 321 of the hopper 32 extends in the vertical direction, or that the hopper 32 is arranged obliquely, and the axis of the feeding port 321 of the hopper 32 and the vertical direction form an included angle of a certain angle.

In one embodiment of the present application, as shown in fig. 4, the inner wall of the chamber is provided with a centering bracket 35, and the rear end of the helical stirring shaft 20 is rotatably connected to the centering bracket 35. Through setting up centering support 35, can provide the support for the rear end of spiral (mixing) shaft 20, reduce the flexural stress of spiral (mixing) shaft 20 to reduce the flexural deformation of spiral (mixing) shaft 20, and then guarantee that spiral (mixing) shaft 20 can normally pay-off.

As shown in fig. 4, optionally, a discharge pipe 36 is formed on the body member 31, a lower end of the discharge pipe 36 is opened to configure a discharge port 312, and the closure member 33 is movably connected to the discharge pipe 36 in a radial direction of the discharge pipe 36. When the mixer truck 1000 mixes the concrete 600 during the charging and transporting processes, the plugging member 33 can be positioned to plug the discharge port 312. When the mixer truck 1000 is discharging and cleaning, the plugging member 33 may be rotated to open the discharge port 312.

Optionally, closure 33 is a flat plate to simplify construction while serving to close off spout 312.

In the present disclosure, the plugging member 33 may be driven to move within the discharge pipe 36 by any suitable means, such as manually, pneumatically, hydraulically, electrically, etc., which is not limited in the present disclosure.

In the present disclosure, the feeding mechanism 30 may be integrally formed on the mixing drum 10, or may be a separate structure from the mixing drum 10, which is not limited in the present disclosure.

The feeding mechanism 30 and the mixing drum 10 are of a split structure, and the feeding mechanism 30 is detachably connected to the mixing drum 10. The advantage of so setting up is that on the one hand, the volume of spare part has been reduced to the components and parts design that divides, conveniently processes feed mechanism 30 to pertinence. On the other hand, when one of feed mechanism 30 and churn 10 damages and needs to be changed, compare in the scheme of integrated into one piece whole change, this scheme only need change impaired piece can, be favorable to practicing thrift the cost.

As shown in fig. 5 to 7, in an embodiment of the present disclosure, the mixing drum 10 further includes a connecting pipe clamp 40, and the connecting pipe clamp 40 is used for clamping the rear end of the mixing drum 10 and the front end of the main body member 31 to connect the mixing drum 10 and the main body member 31 into a whole, so as to communicate the first opening 11 and the second opening 311. Wherein, connecting pipe strap 40 includes half pipe strap 41 of first and half pipe strap 42 of second, and the one end of half pipe strap 41 of first is articulated with the one end of half pipe strap 42 of second, and the other end of half pipe strap 41 of first and half pipe strap 42 of second passes through fastener 50 and can dismantle the connection.

The inner wall of first half pipe strap 41 is equipped with first recess, the inner wall of second half pipe strap 42 is equipped with the second recess, when the other end of first half pipe strap 41 and the other end of second half pipe strap 42 were joined in marriage, first recess and second recess can enclose into a ring channel 43, the rear end of churn 10 is equipped with first flange 13, first flange 13 circumference is rotatable and the axial is spacing in ring channel 43, so, churn 10 can enough be for connecting pipe strap 40 circumferential direction, also can avoid churn 10 for connecting pipe strap 40 axial displacement, the reliability that churn 10 and main part 31 are connected has been guaranteed, thereby do benefit to concrete 600 and flow to churn 10 from main part 31 smoothly. Wherein the first connecting flange 13 may be circular.

When the pipe clamp is clamped, the first half pipe clamp 41 and the second half pipe clamp 42 are sleeved on the mixing drum 10 and the main body piece 31 and are locked by the fastening piece 50. When separation is needed, the fastener 50 is removed, and the first pipe clamp half 41 and the second pipe clamp half 42 can be separated, so that the mixing drum 10 and the main body piece 31 are separated.

Alternatively, as shown in fig. 4 and 5, the front end of the main body 31 is provided with a second connecting flange 313, the second connecting flange 313 is also connected in the annular groove 43 to realize circumferential and axial fixation of the main body 31, and the second connecting flange 313 and the first connecting flange 13 are arranged along the axis of the mixing drum 10. By providing the second connection flange 313, the reliability of the connection between the main body member 31 and the pipe clamp 40 can be improved.

As shown in fig. 5, a sealing strip 60 is provided in the annular groove 43 for preventing the slurry and moisture of the concrete 600 from seeping out.

In other embodiments of the present disclosure, first protrusions may be respectively disposed on the inner wall of the first pipe half 41 and the inner wall of the second pipe half 42, and an annular groove that is matched with the first protrusions is disposed on the mixing drum 10, so as to connect the mixing drum 10 with the connecting pipe clamp 40 in a circumferentially rotatable and axially limited manner. Second protrusions may be further disposed on the inner wall of the first pipe clamp half 41 and the inner wall of the second pipe clamp half 42, respectively, and an annular groove matched with the second protrusions may be disposed on the main body 31, so as to achieve reliable connection between the main body 31 and the connecting pipe clamp 40.

As shown in fig. 6, in an embodiment of the present application, the first half pipe clamp 41 and/or the second half pipe clamp 42 are provided with a plug protrusion 44, and the plug protrusion 44 is configured to be fixed, for example, the plug protrusion 44 is configured to be plug-fit with the supporting mechanism 300 of the mixer truck 1000, so as to realize fixation, so as to ensure that the connecting pipe does not rotate with the mixer drum 10 when the mixer drum 10 rotates, thereby being beneficial to ensure the reliability of the connection between the mixer drum 10 and the main body 31.

As shown in fig. 2, in an embodiment of the present disclosure, the front end of the mixing drum 10 may be provided with a third connecting flange 14 for connecting with a mixing power mechanism 500 of the mixing vehicle 1000, so that the mixing power mechanism 500 can provide torque to the mixing drum 10 to realize forward rotation or reverse rotation of the mixing drum 10.

As shown in fig. 2, one or more stirring blades 70 may be provided on the inner wall of the mixing drum 10, for example, two spiral stirring blades 70 spaced 180 ° apart are provided on the inner wall of the mixing drum 10 to stir or discharge the concrete 600 when the mixing drum 10 rotates forward or backward. By controlling the forward rotation of the helical blade 22, the homogeneity of the concrete 600 in the cylinder is maintained. The discharging speed can be controlled by controlling the reverse rotation speed of the mixing drum 10 during discharging. Meanwhile, the reasonably designed stirring blades 70 can greatly reduce the residual rate of the concrete 600 in the stirring cylinder 10.

As shown in fig. 1 and 2, in an embodiment of the present application, the churn assembly 100 may further include a guide rail 15, and a surface of the guide rail 15 for contacting with the outer surface of the churn 10 may be provided with a roller for realizing the rotational support of the churn 10 during the rotation of the churn.

Fig. 8 and 9 show a schematic illustration of the charging process of the mixing drum 10. Wherein the closure 33 closes the discharge port 312 when the mixing station is charging, as shown in figure 8. The mixer drum 10 is rotated, and the concrete 600 is fed into the mixer drum 10 by the screw mixer shaft 20 and the mixer blades 70 in the mixer drum 10.

As shown in fig. 9, after the charge reaches the predetermined load amount, the charge is stopped, the mixing drum 10 is further rotated, and the concrete 600 in the body member 31 is moved into the mixing drum 10 by the screw stirring shaft 20, so that the concrete 600 in the hopper 32 is emptied as much as possible.

Then, in the transportation and stirring process of the mixer truck 1000, the mixing drum 10 rotates, and the concrete 600 is stirred under the action of the spiral mixing shaft 20 and the mixing blades 70 in the mixing drum 10.

As shown in fig. 10, when the mixer drum 10 is unloaded and cleaned, the discharge port 312 is opened by the closing member 33, the mixer drum 10 is rotated in the reverse direction, and the concrete 600 and the cleaning water are moved to the discharge port 312 by the screw mixer shaft 20 and the mixer blade 70 in the mixer drum 10, thereby realizing the unloading and cleaning.

As shown in fig. 11, according to another aspect of the present disclosure, there is provided a mixer truck 1000, the mixer truck 1000 comprising a chassis 200 and the above-mentioned mixer drum assembly 100, the mixer drum 10 being horizontally arranged on the chassis 200. It can be known from the above discussion that, the horizontal arrangement of the mixing drum 10 can improve the volume utilization rate of the mixing drum 10, and is also beneficial to the whole vehicle height of the lower mixing vehicle 1000, reduces the gravity center of the whole vehicle, and improves the running stability of the whole vehicle.

As shown in fig. 1, the mixer truck 1000 may further include a supporting mechanism 300, a washing mechanism 400, and a mixing power mechanism 500. The stirring power mechanism 500 may include an engine, a hydraulic oil pump, a hydraulic motor, a speed reducer, an operating handle, and the like. The engine may be disposed on the chassis 200, and its power is output to the hydraulic oil pump through the transmission shaft, so as to convert the engine power into hydraulic energy (displacement and pressure), and output mechanical energy (rotation speed and torque) through the hydraulic motor, the speed reducer, and other devices, so as to provide power for the rotation of the mixing drum 10. The control handle is controlled to rotate, so that the mixing drum 10 can rotate forwards during feeding and transportation, and the concrete 600 in the mixing drum 10 can be mixed. And the mixing drum 10 is rotated reversely at the time of discharging to perform discharging.

In summary, the mixer truck 1000 provided by the present disclosure has the following five main functions: a transportation function, a charging function, a stirring function, a discharging function and a cleaning function. Wherein, the transportation function refers to the ability to transport the concrete 600 under various operating conditions. Compared with the common vehicle, the vehicle has higher requirements on trafficability, braking performance and steering performance. The loading function refers to the ability to load concrete 600 into the mixing tank. The mixing function refers to the ability to prevent segregation and solidification of the concrete 600 during transportation and waiting for discharge. The discharge function refers to the ability to discharge the concrete 600 in the tank body by itself. The cleaning function refers to the ability to clean the can body and other parts by itself.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A mixing drum assembly of a mixing vehicle, comprising:

the stirring device comprises a stirring cylinder (10), wherein a first opening (11) is formed in the rear end of the stirring cylinder (10);

the front end of the spiral stirring shaft (20) is connected with the stirring cylinder (10);

the feeding mechanism (30) comprises a main body piece (31), a hopper (32) and a blocking piece (33), wherein the front end of the main body piece (31) is connected with the stirring cylinder (10), the main body piece (31) is provided with a cavity (314) and a second opening (311), a third opening and a discharge hole (312) which are communicated with the cavity (314), the rear end of the spiral stirring shaft (20) extends into the cavity (314) through the second opening (311) so as to feed materials from the cavity (314) to the first opening (11) through the rotation of the spiral stirring shaft (20), the hopper (32) is communicated with the cavity (314) through the third opening, and the blocking piece (33) is movably arranged on the main body piece (31) and used for opening or closing the discharge hole (312).

2. Mixing drum assembly of a mixer vehicle according to claim 1, characterised in that the diameter of the first opening (11) is larger than the diameter of the helical mixing shaft (20), the front end of the helical mixing shaft (20) protruding into the mixing drum (10) via the first opening (11) and being fixed to the inner wall (12) of the mixing drum.

3. Mixing drum assembly of a mixer vehicle according to claim 2, characterised in that the centre axis of the helical mixing shaft (20), the centre axis of the mixing drum (10) and the centre axis of the first opening (11) coincide.

4. Mixing drum assembly of a mixer truck according to claim 1, characterised in that the feeding mechanism (30) further comprises a feeding pipe (34), the hopper (32) being in communication with the third opening through the feeding pipe (34), the feeding pipe (34) being arranged in an up-down direction such that the height of the feeding port (321) at the upper end of the hopper (32) is not lower than the height of the highest point of the inner chamber of the mixing drum (10).

5. Mixing drum assembly of a mixer vehicle according to claim 1, characterised in that the inner wall of the chamber (314) is provided with a centring support (35), the rear end of the helical mixing shaft (20) being rotatably connected to the centring support (35).

6. Stirring barrel assembly of a stirring vehicle according to claim 1, characterized in that a discharge pipe (36) is formed on the main body part (31), the lower end of the discharge pipe (36) is open to configure the discharge port (312), and the closure member (33) is movably connected to the discharge pipe (36) along the radial direction of the discharge pipe (36).

7. Mixing drum assembly of mixing vehicle according to any of claims 1-6, characterized in that the mixing drum assembly (100) further comprises a connecting pipe clamp (40), the connecting pipe clamp (40) is used for clamping the rear end of the mixing drum (10) and the front end of the main body component (31) to communicate the first opening (11) and the second opening (311);

the connecting pipe clamp (40) comprises a first half pipe clamp (41) and a second half pipe clamp (42), one end of the first half pipe clamp (41) is hinged with one end of the second half pipe clamp (42), and the other end of the first half pipe clamp (41) is detachably connected with the other end of the second half pipe clamp (42) through a fastener (50);

the inner wall of first half pipe strap (41) is equipped with first recess, the inner wall of the half pipe strap of second (42) is equipped with the second recess, first recess with a ring channel (43) can be enclosed to the second recess, the rear end of churn (10) is equipped with first flange (13), first flange (13) circumference is rotatable and the axial is spacing in ring channel (43).

8. Mixing drum assembly of a mixing vehicle according to claim 7, characterised in that the front end of the main body (31) is provided with a second connecting flange (313), said second connecting flange (313) being connected within the annular groove (43), said second connecting flange (313) and said first connecting flange (13) being arranged along the axis of the mixing drum (10).

9. Mixing drum assembly of a mixer truck according to claim 7, characterised in that the first half pipe clamp (41) and/or the second half pipe clamp (42) is/are provided with an insertion projection (44), which insertion projection (44) is configured to be fixable so as to ensure that the connection pipe clamp (40) does not rotate with the mixing drum (10) when the mixing drum (10) rotates.

10. Mixer truck, characterized in that it comprises a chassis (200) and a mixing drum assembly (100) according to any one of claims 1 to 9, said mixing drum (10) being arranged horizontally on said chassis (200).

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