CN213495230U

CN213495230U - Discharging and cleaning device of mixer truck

Info

Publication number: CN213495230U
Application number: CN202022285861.2U
Authority: CN
Inventors: 魏隆; 黄治燕
Original assignee: CIMC Vehicles Group Co Ltd; Wuhu CIMC Ruijiang Automobile Co Ltd
Current assignee: CIMC Vehicles Group Co Ltd; Wuhu CIMC Ruijiang Automobile Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-22
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a belt cleaning device of unloading of trucd mixer, it includes: the bottom of the walking frame is provided with a movable walking wheel; the discharge chute is rotatably arranged on the walking frame; the front end of the discharge chute is used for receiving materials from the mixer truck, and the rear end of the discharge chute is provided with a discharge hole for discharging the materials; the liquid storage tank is arranged on the walking frame; a cleaning medium is stored in the liquid storage tank; the cleaning mechanism comprises a support frame, a liquid discharge pipe, a liquid return pipe and a spraying piece arranged on the support frame; the inlet of the liquid discharge pipe is communicated with the liquid storage tank, the spraying piece is connected with the outlet of the liquid discharge pipe, and the outlet of the spraying piece faces the discharge chute; the liquid return pipe is respectively communicated with the discharge hole of the discharge chute and the liquid storage tank. The discharge cleaning device can be provided with the circulating channel formed by the liquid discharge pipe and the liquid return pipe, so that the cleaning medium can flow between the liquid storage tank and the discharge chute in a circulating mode, the utilization rate of the cleaning medium is improved, the cleaning effect is good, and the cost is low.

Description

Discharging and cleaning device of mixer truck

Technical Field

The utility model relates to a trucd mixer technical field, in particular to belt cleaning device of unloading of trucd mixer.

Background

The trucd mixer driver can drive the trucd mixer to the concrete mixing plant after receiving the production scheduling instruction, connects full concrete by the churn at the discharge gate at the concrete mixing plant, then sends to and uses on each construction site.

After the mixer truck unloads at the construction site, remaining concrete dropping liquid can be covered on the discharge chute surface, because this construction process is at the job site, every job site actual conditions and condition are all too different, often also supply many construction users simultaneously. Some construction sites are possibly difficult to ensure even cleaning water, and the cleaning effect of the mixer truck is severely restricted.

At present, the cleaning mode of the mixer truck is that a driver of the mixer truck drives the mixer truck to a mixing station, and a discharge chute is cleaned through special vehicle body cleaning equipment. After a vehicle works for one day, the concrete adhered to the discharge chute is solidified and is difficult to clean; long-term cleaning can lead to large-area caking on the discharge chute and seriously affect the discharge speed. In addition, since the mixer truck is often directly driven after being unloaded, the concrete remaining in the discharge chute may drip onto the road surface on the way to return to the mixing plant, thereby causing pollution to the road surface.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a belt cleaning device of unloading of trucd mixer, be convenient for wash the blowpit of trucd mixer at any time, and the advantage that the cleaning efficiency is high.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a discharge cleaning device for a mixer truck, comprising: the bottom of the walking frame is provided with a movable walking wheel; the discharge chute is rotatably arranged on the walking frame; the front end of the discharge chute is used for receiving materials from the mixer truck, and the rear end of the discharge chute is provided with a discharge hole for discharging materials; the liquid storage tank is arranged on the walking frame; a cleaning medium is stored in the liquid storage tank; the cleaning mechanism comprises a support frame, a liquid discharge pipe, a liquid return pipe and a spraying piece arranged on the support frame; the support frame is erected above the discharge chute and can drive the spraying piece to swing back and forth relative to the discharge chute; the inlet of the liquid discharge pipe is communicated with the liquid storage tank, the spraying piece is connected with the outlet of the liquid discharge pipe, and the outlet of the spraying piece faces the discharge chute; the liquid return pipe is respectively communicated with the discharge hole of the discharge chute and the liquid storage tank.

According to one embodiment of the present invention, a partition is provided inside the liquid storage tank to divide the inner cavity of the liquid storage tank into a clear water chamber and a muddy water chamber which are separated from each other; the inlet of the liquid discharge pipe is respectively communicated with the water purification chamber and the muddy water chamber; the outlet of the liquid return pipe is communicated with the muddy water chamber.

According to an embodiment of the present invention, the support frame comprises two support rods spaced relatively, and the lower ends of the two support rods are rotatably disposed on the outer edges of the two sides of the discharge chute, respectively; the spraying part comprises a spraying pipe barrel and a plurality of spray heads; the spray pipe barrel is arranged between the upper ends of the two support rods, a hollow water storage cavity is formed in the spray pipe barrel, a connector communicated with the water storage cavity is arranged on one side of the spray pipe barrel, and the connector is connected with an outlet of the liquid discharge pipe; a plurality of through holes which are arranged side by side are arranged on the other side of the spraying pipe barrel, and the spray heads are correspondingly arranged in the through holes one by one.

According to an embodiment of the present invention, the support rod comprises a first horizontal section, a vertical section and a second horizontal section which are sequentially bent and connected; the first horizontal section is rotationally connected with the discharge chute; the second horizontal section is connected with and supports the spray pipe barrel, so that the axis of the spray pipe barrel is parallel to the width direction of the discharge chute.

According to one embodiment of the utility model, the side wall of the discharge chute is provided with a limit hole; and the vertical section is provided with a through hole which is matched and corresponds to the limiting hole in a penetrating way so as to be fixed on the side wall when the supporting rod is furled in the side wall of the discharge chute.

According to an embodiment of the present invention, the cleaning mechanism further comprises a rotation driving unit disposed corresponding to the supporting frame; the rotary driving unit comprises a driving motor, a driving wheel, a driven wheel and a transmission belt; the driving wheel and the driven wheel are arranged on the outer side wall of the discharge chute at intervals, and the driving wheel and the driven wheel are sleeved with the transmission belt; the driven wheel is in transmission connection with the rotating end of one support rod, the output end of the driving motor is connected with the driving wheel, and the support rod is driven to rotate so as to adjust the angle between the support rod and the discharge chute.

According to the utility model discloses an embodiment, this belt cleaning device of unloading still includes: the solid-liquid separation charging barrel is detachably arranged at the discharge port of the discharge chute; the top of the solid-liquid separation charging barrel is provided with a liquid inlet, and the liquid inlet and the discharge port are arranged correspondingly; a liquid outlet is formed in the bottom of the solid-liquid separation material cylinder; the first filter screen is suspended in the middle of the solid-liquid separation material cylinder; and the second filter screen is correspondingly arranged on the inner side of the liquid outlet.

According to the utility model discloses an embodiment, the discharge chute is higher than the liquid reserve tank.

According to the utility model discloses an embodiment, the belt cleaning device of unloading still includes elevating system, elevating system includes: the folding frame is arranged on the walking frame and comprises a plurality of support rods which are hinged and connected so as to be folded or unfolded up and down; the lifting platform is arranged at the top of the folding frame and used for supporting the discharge chute;

and one end of the telescopic driving piece is arranged on the walking frame, and the other end of the telescopic driving piece is connected with and drives the folding frame to fold up and down or unfold.

According to the utility model discloses an embodiment, still include with the discharge chute corresponds the drive unit of unloading that sets up, the drive unit of unloading includes: the discharging motor is arranged on the lifting platform, and an output shaft of the discharging motor vertically extends upwards; a rotary table that is driven by the output shaft to rotate; one end of the supporting shaft is arranged on the rotating table, and the other end of the supporting shaft is hinged with the bottom of the discharge chute; the discharging hydraulic cylinder is arranged on the rotating platform; the discharging hydraulic cylinder is provided with a piston rod which protrudes upwards, and an included angle is formed between the piston rod and the supporting shaft; the piston rod is also hinged with the bottom of the discharge chute.

According to the above technical scheme, the utility model provides a pair of belt cleaning device of unloading of trucd mixer has following advantage and positive effect at least:

1. above-mentioned belt cleaning device of unloading can use with the trucd mixer cooperation through setting up a blowpit for the blowpit on the trucd mixer can directly be cancelled to trucd mixer manufacture factory, and the trucd mixer need not from taking the blowpit, has realized the separation of blowpit and trucd mixer, thereby helps simplifying the trucd mixer structure, reduces the dead weight of trucd mixer. When unloading or cleaning, the corresponding dismantlement or the installation that carries out the blowpit can.

2. Through the circulation passage that fluid-discharge tube and return-liquid pipe formed to make the cleaning medium circulate and flow between liquid reserve tank and blowpit, improve the utilization ratio of cleaning medium, can wash the blowpit repeatedly, the cleaning performance is good, and with low costs.

3. Utilize the characteristics that can remove in a flexible way of walking frame, can remove the walking along with the trucd mixer, be convenient for can directly wash the blowpit after unloading finishes, need not to shift the trucd mixer, it is convenient to wash, and the cleaning efficiency is high, has effectively solved because of the trucd mixer returns the mixing plant and washs the concrete caking that brings and cause the problem of road surface pollution.

Drawings

Fig. 1 is the utility model discloses in embodiment's unloading belt cleaning device's of trucd mixer overall structure schematic diagram.

Fig. 2 is a schematic structural view of the supporting frame in the embodiment of the present invention.

Fig. 3 is a schematic structural view of the spray member in the embodiment of the present invention.

Fig. 4 is a schematic view of the supporting frame in fig. 1 being folded on the outer side wall of the discharge chute.

Fig. 5 is an internal schematic view of a solid-liquid separation cartridge according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a lifting mechanism for lifting a discharge chute according to an embodiment of the present invention.

The reference numerals are explained below:

1-a walking frame, 11-a walking wheel,

2-a discharge chute, 21-a lifting hook, 201-a discharge port, 203-a limit hole,

3-liquid storage tank, 31-partition board, 33-water purification chamber, 35-turbid water chamber,

4-cleaning mechanism, 41-liquid discharge pipe, 412-lift pump, 42-liquid return pipe, 43-support frame, 431-support rod, 4311-first horizontal segment, 4312-second horizontal segment, 4313-vertical segment, 44-spraying piece, 441-spraying pipe barrel, 4411-joint, 443-spray head, 401-through hole, 403-bayonet, 405-water storage cavity,

51-driving motor, 52-driving wheel, 53-driven wheel, 54-driving belt,

61-motor base, 62-discharging motor, 63-rotating table, 64-supporting shaft, 65-telescopic driving piece,

71-a solid-liquid separation charging barrel, 711-a hook, 713-a handle, 73-a first filter screen, 75-a second filter screen, 77-a recovery box, 701-a liquid inlet, 702-a liquid outlet,

81-folding frame, 811-supporting rod, 83-lifting platform, 85-lifting hydraulic cylinder and 87-sliding block.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

Referring to fig. 1, the present embodiment provides a discharging and cleaning device for a mixer truck.

The unloading and cleaning device mainly comprises a walking frame 1, and an unloading groove 2, a liquid storage tank 3 and a cleaning mechanism 4 which are arranged on the walking frame 1. Wherein, the cleaning medium in the usable liquid reserve tank 3 of wiper mechanism 4 washes blowpit 2, realizes the washing purpose of blowpit 2.

The bottom of walking frame 1 is equipped with mobilizable walking wheel 11, can freely remove according to the in service behavior on the construction site.

The discharge chute 2 is rotatably arranged at one end of the walking frame 1 and can be matched with a mixer truck for use. The cross section of the discharge chute 2 is U-shaped, the front end of the discharge chute in the length direction is used for receiving materials in a mixing drum of a mixer truck, and the rear end of the discharge chute is provided with a discharge port 201 for discharging.

The liquid storage tank 3 is arranged at the other end of the walking frame 1 and is lower than the discharge chute 2. The inside of the reservoir 3 stores a cleaning medium. Liquid reserve tank 3 sets up with blowpit 2 interval on walking frame 1 for liquid reserve tank 3 can play the function of counter weight, prevents to take place to empty because of one side atress is too big at the in-process of unloading whole device.

The cleaning mechanism 4 comprises a liquid discharge pipe 41, a liquid return pipe 42, a support frame 43 and a spray piece 44 arranged on the support frame 43. Wherein, the drain pipe 41 is provided with a lift pump 412, the inlet of which is communicated with the liquid storage tank 3, and the outlet of which is communicated with the spraying piece 44. The supporting frame 43 is erected above the discharge chute 2 and can drive the spraying member 44 to swing back and forth relative to the discharge chute 2. The outlet of the spray member 44 faces the discharge chute 2 to repeatedly wash the discharge chute 2. The inlet and outlet of the liquid return pipe 42 are respectively communicated with the discharge port 201 of the discharge chute 2 and the liquid storage tank 3 to form a circulating channel together with the liquid discharge pipe 41, so that the cleaning medium circularly flows between the liquid storage tank 3 and the discharge chute 2, and the utilization rate of the cleaning medium is improved.

Referring to fig. 2, the supporting frame 43 includes two supporting rods 431 spaced from each other, lower ends of the two supporting rods 431 are rotatably disposed on two side edges of the discharging chute 2, and upper ends of the two supporting rods 431 support the spraying member 44 together.

Specifically, the supporting rod 431 includes a first horizontal section 4311, a vertical section 4313 and a second horizontal section 4312 which are sequentially bent and connected, and the second horizontal section 4312 is opposite to the first horizontal section 4311 at intervals; the adjacent sections are in arc transition connection, and the length of the vertical section 4313 is respectively greater than that of the two horizontal sections, so that the support rod 431 is similar to a C-shaped structure. The first horizontal section 4311 is rotatably connected with the discharge chute 2 through a connecting hole formed in the side wall of the discharge chute 2; the end of the second horizontal section 4312 remote from the vertical section 4313 is used to connect the spray 44.

Since the spread support frames 43 occupy a certain space in the height direction, it is necessary to store the support frames 43 in order to facilitate the movement and transportation of the discharge cleaning apparatus.

In this embodiment, in order to facilitate the storage of the supporting frame 43, the first horizontal section 4311 of each supporting rod 431 is designed as a retractable rod. The supporting rod 431 is rotatably connected to the discharge chute 2 via a telescopic first horizontal section 4311. Before cleaning, the first horizontal section 4311 is pulled outwards to facilitate the movement of the supporting rod 431; the first horizontal section 4311 is pushed inward after cleaning so that the support bar 431 is adjacent to the discharge chute 2.

Referring to fig. 3, the spraying member 44 includes a spraying pipe 441 and a plurality of spraying heads 443. The shower pipe 441 is disposed between the second horizontal sections 4312 at the upper ends of the two support rods 431, and the axis of the shower pipe 441 is parallel to the width direction of the discharge chute 2.

The interior of the shower pipe 441 is provided with a hollow water storage cavity 405, one side of the shower pipe 441 is provided with a connector 4 communicated with the water storage cavity 405, and the connector 4 is connected with the outlet of the liquid discharge pipe 41 to receive the cleaning medium from the liquid storage tank 3. A plurality of through holes are arranged in parallel on the other side of the shower pipe 441, and the nozzles 443 are correspondingly arranged in the through holes one by one. The plurality of nozzles 443 are distributed along the axial direction of the shower pipe 441, and the axial direction of the shower pipe 441 is parallel to the width direction of the discharge chute 2.

And bayonets 403 are disposed at two axial ends of the shower pipe barrel 441 for respectively receiving and fixing the ends of the two second horizontal sections 4312. The spray tube 441 and the second horizontal section 4312 are connected by welding, bolting, snapping, etc. So, can support spraying barrel 441 from both sides respectively through two bracing pieces 431, guarantee the structural stability of spraying barrel 441 in the cleaning process, avoid the concrete thick liquid to splash outside the feeder hopper, guaranteed the cleanliness factor of churn in the cleaning process.

As shown in fig. 4, the side wall of the discharge chute 2 is provided with a limiting hole 203. The vertical section 4313 is provided with a through hole 401 corresponding to the limiting hole 203 in a matching manner, so that the support rod 431 is fixed on the side wall of the discharge chute 2 when being collected in the side wall.

In the using process, the two support rods 431 rotate respectively to drive the support frame 43 to swing backwards relative to the discharge chute 2 integrally, and the support frame is unfolded and stands on the discharge chute 2, so that the spraying piece 44 can be conveniently aligned to the discharge chute 2 downwards. After cleaning, the supporting rod 431 swings forward relative to the discharging chute 2 until swinging to a certain angle, so as to be folded and attached to the side wall of the discharging chute 2. At this moment, the via hole 401 on the bracing piece 431 and the spacing hole 203 on the blowpit 2 are correspondingly conducted, and the spacing pin through the adaptation is penetrated through the spacing hole 203 and the via hole 401 to lock the support frame 43 on the blowpit 2, realize accomodating of support frame 43.

It should be noted that, because the support frame 43 can rotate relative to the discharge chute 2, the spray piece 44 is driven by the support frame 43 to rotate in a reciprocating manner, so that the hopper of the mixer truck can be further cleaned sufficiently while the mixer drum is cleaned, and the cleaning effect is better.

The discharge chute 2 is used for guiding the concrete slurry flowing out of the discharge port 201 of the mixing drum, and the width of the discharge chute is smaller than the maximum caliber of the feed hopper of the mixing truck. Since the support bracket 43 is mounted on the discharge chute 2, the support bracket 43 should be offset from the discharge chute 2 by a predetermined distance, which is determined so that the shower pipes 441 on the support bracket 43 can sufficiently act on the hopper.

Before use, the position of the discharge chute 2 is adjusted, so that the higher end of the discharge chute 2 is positioned right below the mixing drum discharge port 201, and the spray head 443 of the spray pipe barrel 441 is positioned right above the mixing drum hopper. After the lift pump 412 is activated, the lift pump 41251 pumps the cleaning medium in the tank 3 into the spray pipe 441 through the discharge pipe 41, and sprays the cleaning medium into the hopper through the spray pipe 441. The cleaning medium can wash the hopper (arranged at the tail end of the mixing truck barrel), so that the cleanliness of the hopper is maintained. The washed cleaning medium can enter the mixing drum through the discharge port 201 of the hopper. The power device on the mixer truck drives the mixing drum to rotate, and the inner wall of the mixing drum is automatically cleaned in the rotating process of the mixing drum. The concrete slurry produced during the cleaning process flows out through the inlet and outlet 201 of the mixing drum.

Referring to fig. 4 again, the cleaning mechanism 4 further includes a rotation driving unit disposed corresponding to the supporting frame 43.

The swing drive unit includes a drive motor 51, a drive pulley 52, a driven pulley 53, and a transmission belt 54.

Wherein, the driving wheel 52 and the driven wheel 53 are arranged on the outer side wall of the discharging chute 2 at intervals along the length direction, and the driving wheel 52 and the driven wheel 53 are sleeved with the transmission belt 54. The follower 53 is drivingly connected to a first horizontal section 4311 of a support rod 431. The driving motor 51 is fixedly installed on the discharging chute 2. The output end of the driving motor 51 is connected with a driving wheel 52 for driving the supporting rod 431 to rotate so as to adjust the angle between the supporting rod 431 and the discharging chute 2. During the cleaning process, the rotation direction of the rotating shaft of the driving motor 51 can be changed to change the angle of the spraying pipe barrel 441 relative to the hopper, so that the hopper can be fully cleaned. In order to avoid interference between the driving motor 51 and the support rod 431 during storage, the driving motor 51 is preferably installed at the bottom of the discharge chute 2. It should be noted that when the rotary drive unit is provided, a separate positioning mechanism is not required to ensure that the shower pipe 441 and the hopper of the mixer truck are relatively stationary during the cleaning process.

The discharging cleaning device in this embodiment further includes a discharging driving unit corresponding to the discharging chute 2, and the discharging driving unit includes a motor base 61, a discharging motor 62, a rotating table 63, a supporting shaft 64, and a telescopic driving member 65.

The motor base 61 is fixedly mounted on the elevating platform 83. The discharging motor 62 is mounted on the motor base 61, and an output shaft of the discharging motor extends vertically upwards. An output shaft of the discharge motor 62 is drivingly connected with a rotating table 63, and the rotating table 63 rotates around the output shaft. The support shaft 64 and the telescopic drive 65 are both mounted on the rotary table 63. The support shaft 64 is formed by bending a straight bar at one time, and includes a lower support portion and an upper support portion connected to the rotary table 63. The lower support part is coaxial with the rotary table 63, and the upper support part is hinged at the bottom of the discharge chute 2. The telescopic driving member 65 has a piston rod protruding upward, and an included angle is formed between the piston rod and the supporting shaft 64; the piston rod is also hinged with the bottom of the discharge chute 2.

The discharge chute 2, the supporting shaft 64 and the telescopic driving piece 65 jointly form a triangle-like structure, and the structural stability of the discharge chute 2 during discharging is improved.

Because concrete grout can be produced in the cleaning process, if the concrete grout is not recovered in time, the grout is easy to overflow everywhere, so that the site is dirty and the environment is seriously polluted.

In order to solve the problem of recycling concrete grout, the unloading and cleaning device of the embodiment further comprises a solid-liquid separation mechanism, and the solid-liquid separation mechanism is used for recycling concrete grout.

Referring to fig. 5, the solid-liquid separation mechanism includes a solid-liquid separation cylinder 71, a first filter 73, and a second filter 75.

The solid-liquid separation material cylinder 71 is detachably arranged at the discharge port 201 of the discharge chute 2. Specifically, the charging barrel and the discharging chute 2 can be matched together in a snap fit mode. The discharge chute 2 is provided with a lifting hook 21 at the discharge port 201 in a protruding manner; the top of the solid-liquid separation cylinder 71 is provided with a hook 711 which can be hung from the hook 21.

The top of the solid-liquid separation material cylinder 71 is provided with a liquid inlet 701. When the solid-liquid separation material barrel 71 is hung on the discharge chute 2, the liquid inlet 701 is arranged corresponding to the discharge port 201 of the discharge chute 2; the discharge end of the discharge chute 2 can extend into the barrel through the liquid inlet 701, so that the concrete slurry flowing through the discharge chute 2 can flow into the barrel. Thus, the concrete slurry generated in the cleaning process can be recovered through the solid-liquid separation charging barrel 71, and the technical problem that the concrete slurry overflows everywhere is effectively solved.

As a further preference, the bottom of the solid-liquid separation cylinder 71 has a liquid outlet 702, and the discharge port 201 of the cylinder is communicated with the liquid storage tank 3 through a liquid return pipe 42.

The first filter mesh 73 is suspended in the middle of the solid-liquid separation cylinder 71, i.e. between the feed inlet and the discharge outlet 201 of the cylinder. The first filter screen 73 can filter the concrete slurry flowing into the material cylinder, the sand with larger particle size is isolated on the first filter screen 73, and the slurry is deposited at the bottom of the material cylinder through the meshes of the first filter screen 73 and can flow back to the liquid storage tank 3 through the liquid return pipe 42.

The second filter 75 is correspondingly disposed at the inner side of the liquid outlet 702, and the diameter of the mesh of the second filter 75 is smaller than that of the first filter 73, so as to further filter out impurities such as fine sand with smaller particles in the slurry.

So, can separate the grit in the concrete slurry through first filter screen 73 in the cleaning process, wash the back that finishes, can empty the grit to recycle bin 776 on the walking frame 1 in to the realization is to the reutilization of grit, thereby in the recycle who promotes the grit. In order to facilitate the worker to take or place the charging barrel, a handle 713 is further installed at the top of the charging barrel. In the liquid reserve tank 3 can flow back to the concrete thick liquid after filtering in this embodiment, can be used to wash the churn, cleaning medium repeatedly usable when solving the concrete thick liquid discharge problem, has also practiced thrift the water resource.

Referring back to fig. 1, the interior of the tank 3 has a partition 31 to divide the interior of the tank 3 into a clear water chamber 33 and a muddy water chamber 35. Clean water chamber 33 and muddy water chamber 35 hold the cleaning medium and the returned concrete slurry, respectively.

The purpose is as follows: the storage has cleaning medium in the liquid reserve tank 3, and in the cleaning process, concrete slurry constantly circulates in churn, blowpit 2 and liquid reserve tank 3, and clear cleaning medium in the liquid reserve tank 3 can be avoided polluting by concrete slurry in mutually independent clear water room 33 and muddy water room 35.

The inlet of the drain pipe 41 is divided into two inlet ends which are respectively communicated with the clear water chamber 33 and the muddy water chamber 35. The outlet of the liquid return pipe 42 communicates with the muddy water chamber 35. Two control valves are correspondingly arranged at the two inlet ends respectively and used for controlling the on-off of the pipelines respectively. A lift pump 412 is provided at the collective junction of the two inlet ends for lifting the cleaning medium in the tank 3 to the spray 44.

During the flushing process, the control valve on the connecting pipeline between the water outlet of the muddy water chamber 35 and the drain pipe 41 is opened, and the control valve on the connecting pipeline between the water outlet of the clear water chamber 33 and the drain pipe 41 is closed, so that the concrete slurry is continuously circulated among the muddy water chamber 35, the mixing drum and the discharge chute 2, and the possibility that the clean cleaning medium is polluted by the concrete slurry is avoided. After the washing is completed, the water outlet of the muddy water chamber 35 and the control valve on the drain pipe 41 are closed, the control valve of the connecting pipeline between the water outlet of the water purification chamber 33 and the drain pipe 41 is opened, a clean cleaning medium can be pumped to the spraying pipe barrel 441 through the lift pump 41251, and the mixing drum and the discharge chute 2 are cleaned for the second time through the cleaning medium, so that the cleaning effect on the mixing drum and the discharge chute 2 is ensured.

Referring to fig. 6, the discharging and cleaning device in this embodiment is further provided with a lifting mechanism. This elevating system is used for going up and down blowpit 2 for blowpit 2 is applicable to the trucd mixer of various specification models, need not promptly to carry out the configuration of belt cleaning device of unloading to the trucd mixer of specific specification model.

The lifting mechanism includes a folding leg 81 provided on the traveling frame 1, a lifting table 83, and a lifting cylinder 85.

The walking frame 1 is provided with a sliding groove along the length direction thereof, and the sliding block 87 is connected in the sliding groove in a sliding manner.

The folding leg 81 includes a plurality of struts 811 hingedly connected to form a diamond-shaped frame so as to be folded or unfolded up and down. The two ends of the bottom of the folding frame 81 are respectively hinged on the walking frame 1 and the sliding block 87. The elevating platform 83 is provided on the top of the folding leg 81 to support the discharging chute 2. The lifting hydraulic cylinder 85 is a hydraulic cylinder, the cylinder body end of the hydraulic cylinder is hinged on the walking frame 1, and the piston end is hinged on a supporting rod 811 at the bottom of the folding frame 81. In this way, the telescopic movement of the piston end of the hydraulic cylinder 85 can drive the folding leg 81 to deform to fold or unfold up and down, and drive the lifting table 83 to perform lifting movement with respect to the traveling frame 1.

When the discharge chute 2 is located under the discharge port 201 of the mixing drum, the lifting mechanism drives the discharge chute 2 to move upwards to a proper height position, the discharge chute 2 is driven by the discharge motor 62 to rotate horizontally relative to the axis of the rotating platform 63, and the discharge chute 2 is driven by the lifting hydraulic cylinder 85 to turn over around the joint with the supporting shaft 64, so that the vertical inclination angle of the discharge chute 2 is adjusted.

To sum up, the utility model provides a pair of belt cleaning device of unloading of trucd mixer has following advantage and positive effect at least:

at first, through the circulation passageway that fluid-discharge tube 41 and liquid return pipe 42 formed to make the cleaning medium in the liquid reserve tank 3 circulate between liquid reserve tank 3 and blowpit 2 and flow, improve cleaning medium's utilization ratio, can wash blowpit 2 repeatedly, the cleaning performance is good, and with low costs.

Secondly, the discharging and cleaning device is provided with a discharging groove 2. The structure of this blowpit 2 is the same with the blowpit structure on the trucd mixer, and it uses with the trucd mixer cooperation for the trucd mixer manufacture factory can directly cancel the blowpit 2 on the trucd mixer. The trucd mixer need not from taking discharge chute 2 promptly, has realized the separation of discharge chute 2 and trucd mixer to help simplifying the trucd mixer structure, reduce the dead weight of trucd mixer. When unloading or cleaning, corresponding unloading groove 2 disassembly or assembly can be carried out.

Then, utilize the characteristics that can move in a flexible way of walking frame 1, can remove the walking along with the trucd mixer, be convenient for can directly wash blowpit 2 after unloading finishes, need not to shift the trucd mixer, it is convenient to wash, and the cleaning efficiency is high, has effectively solved because of the trucd mixer returns the mixing plant and washs the concrete caking that brings and cause the problem of road surface pollution.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a belt cleaning device of unloading of trucd mixer which characterized in that includes:

the bottom of the walking frame is provided with a movable walking wheel;

the discharge chute is rotatably arranged on the walking frame; the front end of the discharge chute is used for receiving materials from the mixer truck, and the rear end of the discharge chute is provided with a discharge hole for discharging materials;

the liquid storage tank is arranged on the walking frame; a cleaning medium is stored in the liquid storage tank;

the cleaning mechanism comprises a support frame, a liquid discharge pipe, a liquid return pipe and a spraying piece arranged on the support frame; the support frame is erected above the discharge chute and can drive the spraying piece to swing back and forth relative to the discharge chute; the inlet of the liquid discharge pipe is communicated with the liquid storage tank, the spraying piece is connected with the outlet of the liquid discharge pipe, and the outlet of the spraying piece faces the discharge chute; the liquid return pipe is respectively communicated with the discharge hole of the discharge chute and the liquid storage tank.

2. The discharge cleaning apparatus according to claim 1, wherein:

the interior of the liquid storage tank is provided with a partition plate to divide the inner cavity of the liquid storage tank into a clear water chamber and a muddy water chamber which are separated from each other;

the inlet of the liquid discharge pipe is respectively communicated with the water purification chamber and the muddy water chamber; the outlet of the liquid return pipe is communicated with the muddy water chamber.

3. The discharge cleaning apparatus according to claim 1, wherein:

the support frame comprises two opposite and spaced support rods, and the lower ends of the two support rods are respectively and rotatably arranged on the outer edges of the two sides of the discharge chute;

the spraying part comprises a spraying pipe barrel and a plurality of spray heads; the spray pipe barrel is arranged between the upper ends of the two support rods, a hollow water storage cavity is formed in the spray pipe barrel, a connector communicated with the water storage cavity is arranged on one side of the spray pipe barrel, and the connector is connected with an outlet of the liquid discharge pipe; a plurality of through holes which are arranged side by side are arranged on the other side of the spraying pipe barrel, and the spray heads are correspondingly arranged in the through holes one by one.

4. The discharge cleaning apparatus according to claim 3, wherein:

the supporting rod comprises a first horizontal section, a vertical section and a second horizontal section which are sequentially connected in a bending way;

the first horizontal section is rotationally connected with the discharge chute; the second horizontal section is connected with and supports the spray pipe barrel, so that the axis of the spray pipe barrel is parallel to the width direction of the discharge chute.

5. The discharge cleaning apparatus according to claim 4, wherein:

a limiting hole is formed in the side wall of the discharge chute;

and the vertical section is provided with a through hole which is matched and corresponds to the limiting hole in a penetrating way so as to be fixed on the side wall when the supporting rod is furled in the side wall of the discharge chute.

6. The discharge cleaning apparatus according to claim 3, wherein:

the cleaning mechanism also comprises a rotary driving unit which is arranged corresponding to the support frame;

the rotary driving unit comprises a driving motor, a driving wheel, a driven wheel and a transmission belt; the driving wheel and the driven wheel are arranged on the outer side wall of the discharge chute at intervals, and the driving wheel and the driven wheel are sleeved with the transmission belt; the driven wheel is in transmission connection with the rotating end of one support rod, the output end of the driving motor is connected with the driving wheel, and the support rod is driven to rotate so as to adjust the angle between the support rod and the discharge chute.

7. The dump washer apparatus as defined in claim 1 further comprising:

the solid-liquid separation charging barrel is detachably arranged at the discharge port of the discharge chute; the top of the solid-liquid separation charging barrel is provided with a liquid inlet, and the liquid inlet and the discharge port are arranged correspondingly; a liquid outlet is formed in the bottom of the solid-liquid separation material cylinder;

the first filter screen is suspended in the middle of the solid-liquid separation material cylinder;

and the second filter screen is correspondingly arranged on the inner side of the liquid outlet.

8. The discharge cleaning apparatus according to claim 1, wherein:

the discharge chute is higher than the liquid storage tank.

9. The discharge cleaning apparatus of claim 1, further comprising a lifting mechanism, the lifting mechanism comprising:

the folding frame is arranged on the walking frame and comprises a plurality of support rods which are hinged and connected so as to be folded or unfolded up and down;

the lifting platform is arranged at the top of the folding frame and used for supporting the discharge chute;

10. The discharge cleaning apparatus according to claim 9, further comprising a discharge driving unit provided in correspondence with the discharge chute, the discharge driving unit comprising:

the discharging motor is arranged on the lifting platform, and an output shaft of the discharging motor vertically extends upwards;

a rotary table that is driven by the output shaft to rotate;

one end of the supporting shaft is arranged on the rotating table, and the other end of the supporting shaft is hinged with the bottom of the discharge chute;

the discharging hydraulic cylinder is arranged on the rotating platform; the discharging hydraulic cylinder is provided with a piston rod which protrudes upwards, and an included angle is formed between the piston rod and the supporting shaft; the piston rod is also hinged with the bottom of the discharge chute.