CN111497023B

CN111497023B - Concrete truck stirring tank body

Info

Publication number: CN111497023B
Application number: CN202010339291.2A
Authority: CN
Inventors: 喻明
Original assignee: Chongqing Jiayao Goods Concrete Co ltd
Current assignee: Chongqing Jiayao Goods Concrete Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-08-06
Anticipated expiration: 2040-04-26
Also published as: CN111497023A

Abstract

The invention belongs to the field of concrete mixing equipment, and particularly discloses a mixing tank body of a concrete transport vehicle, which comprises a base and a tank body with a circular cross section, wherein a shaftless double-helix blade is rotationally connected in the tank body; the double-helix blade is connected with a scraping blade which can move towards the inner wall of the tank body along the radial direction of the tank body in a sliding mode, the scraping blade is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a sliding plate, a bearing disc is provided with a sliding hole, the sliding plate is connected in the sliding hole in a sliding mode, a rotating shaft is fixedly connected with the inner end wall of the tank body, a fixed disc is fixedly connected to the rotating shaft, a jacking cam is hinged to the periphery of the bearing of the fixed disc, a blocking portion is arranged on the fixed disc and located on one side of the jacking cam, and the connecting rod extends to the upper portion of the fixed disc. This scheme has solved current jar in the body use, the problem of jar internal wall accumulation sclerosis concrete.

Description

Concrete truck stirring tank body

Technical Field

The invention belongs to the field of concrete mixing equipment, and particularly relates to a mixing tank body of a concrete truck.

Background

Urban noise refers to various noises generated in urban construction, transportation, industrial production, daily life and the like. Urban noise is increasingly disturbing and harmful to residents, and becomes a public nuisance in urban environments. Urban noise is mainly: traffic noise, industrial noise, building construction noise, social life noise. Urban noise interferes with work, study, rest and sleep of residents, seriously harms human health and causes diseases and noise deafness.

The concrete mixing transport vehicle or called mixing truck is a special truck for conveying premixed concrete for construction; due to its shape, it is also commonly referred to as a vivipara. The truck is provided with a cylindrical tank body for carrying mixed concrete, and the tank body can be always kept rotating in the transportation process so as to ensure that the carried concrete cannot be solidified. After the concrete is transported, the interior of the tank body is generally flushed with water, so that the hardened concrete is prevented from occupying space.

But the double helix blade produces the friction with the internal wall of jar in stirring process for the abrasion of helical blade edge, the effect that originally double helix blade struck off jar internal wall concrete disappears gradually, makes the concrete still accumulate at jar internal wall, and the concrete of jar internal wall can become more and more thick and the sclerosis, because jar internal structure is complicated, and the water washing can not clear away completely yet. At the same time, the hardened concrete continues to wear the edges of the double helical blades.

Disclosure of Invention

The invention aims to provide a concrete transport vehicle mixing tank body, which aims to solve the problem that hardened concrete is accumulated on the inner wall of the tank body in the using process of the existing tank body.

In order to achieve the aim, the basic scheme of the invention provides a concrete transport vehicle stirring tank body which comprises a base and a tank body with an annular cross section, wherein a shaftless double-helix blade is rotationally connected in the tank body; the double-helix blade is connected with a scraping blade which can move towards the inner wall of the tank body along the radial direction of the tank body in a sliding mode, the scraping blade is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a sliding plate, a bearing disc is provided with a sliding hole, the sliding plate is connected in the sliding hole in a sliding mode and can slide along the same direction as the scraping blade, a rotating shaft is located on the central line of the tank body, the rotating shaft is fixedly connected with the inner end wall of the tank body, a fixed disc is fixedly connected onto the rotating shaft, a jacking cam is hinged to the periphery of the bearing of the fixed disc, a blocking portion is arranged on the fixed disc and located on one side of the jacking cam, the connecting rod extends to the upper portion of the fixed disc, and when the fixed disc rotates, the jacking cam can abut against the connecting rod.

The first optimization scheme is as follows: the slide hole is a long hole along the radial direction of the tank body.

And the second optimization scheme is as follows: the double-helix blade is provided with a guide hole along the radial direction of the tank body, and the scraping blade is connected in the guide hole in a sliding manner.

And the optimization scheme is three: the top end of the jacking cam is made of elastic rubber.

And the optimization scheme is four: the part of the connecting rod above the fixed disc is plate-shaped.

And the optimization scheme is five: the double helix blade is left-handed, and the blocking part is positioned on one side of the jacking cam anticlockwise when the double helix blade is seen from the tail part of the tank body to the opening direction of the tank body.

And the optimization scheme is six: the double helix blade is dextrorotation, looks from the jar body afterbody to jar body opening direction, and the stop part is located jack-up cam clockwise one side.

The beneficial effect of this basic scheme lies in: 1. this scheme is through at the internal doctor-bar that sets up of jar, at the in-process of jar body work, strikes off jar body inner wall adnexed concrete, the inner wall of the jar body that has cleaned of very big degree.

2. The structure in this scheme makes the connecting rod both ends be located the bearing disc both sides respectively, makes the connecting rod be located the part of fixed disk top and the fixed disk be located jar body tip, has prevented by blocking of bearing disc that fixed disk, jack-up cam and railing are adhered to by the concrete, influence work.

3. Utilize the relative motion of jar body and double helix blade in this scheme, the concrete of jar internal wall is struck off to the drive doctor-bar, has reduced the clean degree of difficulty.

4. This scheme cleans jar internal wall at jar in-process of body motion, prevents that the concrete from piling up at jar internal wall.

5. This scheme is only when carrying the concrete to jar external portion from jar body opening, and the doctor-bar just clears up the jar body, and the doctor-bar is to jar body clearance when having avoided the stirring, causes the clearance back because the concrete is driven to jar internal wall everywhere by double helix blade, makes jar internal wall useless merit by concrete pollution once more.

Drawings

FIG. 1 is a schematic structural diagram of a tank body of a mixing tank of a concrete truck according to an embodiment of the invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a view in the direction B-B in fig. 2, i.e., from the end of the can to the opening of the can.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the novel cleaning machine comprises a tank body 1, a scraping blade 2, a double-spiral blade 3, a rotating shaft 4, a bearing disc 5, a connecting rod 6, a fixed disc 7, a base 8, a jacking cam 9 and a sliding plate 10.

Example (b): the concrete transport vechicle agitator tank jar body 1 in this scheme, as shown in fig. 1, including the cross section for the annular jar body 1 of circle and jar body 1 base 8 on the right, the internal rotation of jar is connected with shaftless double helix blade 3, rotates the connected mode and does, 3 end fixedly connected with bearing dish 5 of double helix blade, and left bearing dish 5 outer lane passes through the bearing rotation and connects at jar body 1 inner wall, and double helix blade 3 is the levogyration. The right bearing disk 5 is fixed on a base 8 outside the tank 1 by a fixing rod.

The center of the bearing disc 5 is rotatably connected with a rotating shaft 4 through a bearing, and the two ends of the rotating shaft 4 are both provided with the bearing discs 5, namely, the rotating shaft 4 and the bearing discs 5 and the tank body 1 can rotate relatively. The double helical blade 3 is connected with a scraping blade 2 which can move towards the inner wall of the tank body 1 along the radial direction of the tank body 1 in a sliding way, the double helical blade 3 is provided with a guide hole along the radial direction of the tank body 1, and the scraping blade 2 is connected in the guide hole in a sliding way. The two ends of the scraping piece 2 are fixedly connected with connecting rods 6, the connecting rods 6 are fixedly connected with sliding plates 10, sliding holes are formed in the bearing discs 5 on the left side and the right side, the sliding holes are long holes along the radial direction of the tank body 1, the sliding plates 10 on the two sides are respectively connected in the corresponding sliding holes in a sliding mode, and the sliding holes are parallel to the guide holes to enable the sliding plates 10 to slide along the sliding direction of the scraping piece 2. A moving gap is left between the scraping blade 2 and the inner wall of the tank body 1, so that the scraping blade 2 cannot be contacted with the inner wall of the tank body 1 due to shaking or anticlockwise rotation of the fixed disc 7. The shape of the edge of the scraping blade 2 corresponds to the shape of the inner wall of the tank body 1, so that the scraping blade 2 can scrape off the concrete on the inner wall of the tank body 1. The scraping blade 2 is positioned above the central line of the tank body 1, so that the scraping blade 2 is prevented from being in concrete for a long time.

The rotating shaft 4 is positioned on the central line of the tank body 1, and the rotating shaft 4 is fixedly connected with the left inner end wall of the tank body 1 through a bolt. As shown in fig. 2 and 3, the two ends of the rotating shaft 4 are fixedly connected with fixed disks 7, the bearing periphery of the fixed disks 7 is hinged with jacking cams 9, and the top ends of the jacking cams 9 are made of elastic rubber. As shown in fig. 3, the fixed disk 7 is provided with a groove allowing the jacking cam 9 to rotate, the left side wall of the groove forms a blocking part which is positioned at the left side of the jacking cam 9 and blocks the jacking cam 9 from continuously rotating anticlockwise. The connecting rod 6 extends to the upper part of the fixed disc 7, and when the fixed disc 7 rotates, the jacking cam 9 can be abutted against the connecting rod 6. The part of the connecting rod 6 above the fixed disc 7 is plate-shaped.

The outside of the tank body 1 is connected with a driving device consisting of a motor and a speed reducer. Initially, the end of the link 6 can be in contact with the jacking cam 9, i.e. the end of the link 6 is located lower than the lowest position of the cam. As shown in fig. 3, when the tank body 1 drives the rotating shaft 4 to rotate counterclockwise, the fixed disk 7 rotates counterclockwise, the jacking cam 9 abuts against the end of the connecting rod 6, the fixed disk 7 is tightly attached to the fixed disk, the connecting rod 6 is slightly jacked up, and the connecting rod 6 drives the scraper 2 to move a small section of displacement towards the inner wall of the tank body 1 without touching the inner wall of the tank body 1. At this time, the tank body 1 is in a stirring state, and the rotating speed of the double helical blades 3 is high.

When the tank body 1 drives the rotating shaft 4 to rotate clockwise, the fixed disc 7 rotates clockwise, the jacking cam 9 rotates anticlockwise when touching the end part of the connecting rod 6, the jacking cam 9 rotates anticlockwise under the action of the connecting rod 6, and due to the blocking of the blocking part, the jacking cam 9 can jack the connecting rod 6 and enables the connecting rod 6 to move to the maximum displacement. The connecting rod 6 drives the scraping blade 2 to move a larger distance towards the inner wall of the tank body 1 and to abut against the inner wall of the tank body 1. Along with the rotation of the tank body 1, the scraping blade 2 scrapes off the concrete on the inner wall of the tank body 1. At this time, the double helical blades 3 transport the concrete to the outside of the tank 1 in cooperation with the rotation of the tank 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The concrete truck agitator tank jar body, its characterized in that: the double-helix blade type water-cooling tank comprises a base and a tank body with a circular cross section, wherein a shaftless double-helix blade is rotationally connected in the tank body, the end part of the double-helix blade is fixedly connected with a bearing disc, the bearing disc is fixed on the base, and the center of the bearing disc is rotationally connected with a rotating shaft; the double-helix blade is connected with a scraping blade which can move towards the inner wall of the tank body along the radial direction of the tank body in a sliding mode, the scraping blade is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a sliding plate, a bearing disc is provided with a sliding hole, the sliding plate is connected in the sliding hole in a sliding mode and can slide along the same direction as the scraping blade, a rotating shaft is located on the central line of the tank body, the rotating shaft is fixedly connected with the inner end wall of the tank body, a fixed disc is fixedly connected onto the rotating shaft, a jacking cam is hinged to the periphery of the bearing of the fixed disc, a blocking portion is arranged on the fixed disc and located on one side of the jacking cam, the connecting rod extends to the upper portion of the fixed disc, and when the fixed disc rotates, the jacking cam can abut against the connecting rod.

2. The concrete truck agitator tank body of claim 1, characterized in that: the slide hole is a long hole along the radial direction of the tank body.

3. The concrete truck agitator tank body of claim 2, characterized in that: the double-helix blade is provided with a guide hole along the radial direction of the tank body, and the scraping blade is connected in the guide hole in a sliding manner.

4. The concrete truck agitator tank body of claim 3, characterized in that: the top end of the jacking cam is made of elastic rubber.

5. The concrete truck agitator tank body of claim 4, wherein: the part of the connecting rod above the fixed disc is plate-shaped.

6. The concrete truck agitator tank body of claim 1, characterized in that: the double helix blade is left-handed, and the blocking part is positioned on one side of the jacking cam anticlockwise when the double helix blade is seen from the tail part of the tank body to the opening direction of the tank body.

7. The concrete truck agitator tank body of claim 1, characterized in that: the double helix blade is dextrorotation, looks from the jar body afterbody to jar body opening direction, and the stop part is located jack-up cam clockwise one side.