CN112318723A - Agitating lorry - Google Patents
Agitating lorry Download PDFInfo
- Publication number
- CN112318723A CN112318723A CN202011184031.9A CN202011184031A CN112318723A CN 112318723 A CN112318723 A CN 112318723A CN 202011184031 A CN202011184031 A CN 202011184031A CN 112318723 A CN112318723 A CN 112318723A
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- China
- Prior art keywords
- mixing drum
- sealing cover
- sealing
- ring
- wheel shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4234—Charge or discharge systems therefor
- B28C5/4237—Charging, e.g. hoppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4262—Closures; Sealing mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a mixer truck which is reliable in sealing, can reduce the water loss of concrete in the transportation process and ensures the quality of the concrete, and the mixer truck comprises a truck frame, wherein a mixing drum is rotatably connected to the truck frame; the sealing assembly comprises a sealing cover, and the sealing cover is used for opening or closing the feed and discharge port of the stirring cylinder; the feeding hopper is used for inputting materials into the mixing drum through the material inlet and the material outlet; the driving device is in transmission connection with the sealing cover and the feeding hopper, is used for driving the sealing cover and the feeding hopper to move back and forth along the axial direction of the mixing drum, and is used for driving the sealing cover to turn over relative to the mixing drum so as to switch the sealing cover between a first position state and a second position state back and forth, and when the sealing cover is in the first position state, the sealing cover is positioned between the mixing drum and the feeding hopper; when the sealing cover is in the second position state, the sealing cover is positioned on one side of the feed hopper, which is far away from the mixing drum.
Description
Technical Field
The invention relates to the technical field of tank type transport vehicles, in particular to a mixer truck.
Background
The mixer truck is a special vehicle widely applied to engineering and building industries, can automatically complete charging and discharging work, and requires to continuously stir materials in a mixing drum at a constant speed in the transportation process so as to ensure the quality of the materials. The discharge port of the concrete mixer truck in the existing market is open, so that the concrete is easy to increase and decrease water and leak materials in the transportation process, and the requirement of a user cannot be met.
Disclosure of Invention
The invention aims to provide the mixer truck which is reliable in sealing, can reduce the water loss of concrete in the transportation process and ensures the quality of the concrete.
In order to solve the technical problems, the invention adopts the following technical scheme:
a mixer truck comprising:
the frame is rotatably connected with a stirring drum;
the sealing assembly comprises a sealing cover, and the sealing cover is used for opening or closing the feed and discharge port of the stirring cylinder;
the feed hopper is used for inputting materials into the mixing drum through the feed and discharge port;
the driving device is in transmission connection with the sealing cover and the feeding hopper, and is used for driving the sealing cover and the feeding hopper to move back and forth along the axial direction of the mixing drum and driving the sealing cover to turn over relative to the mixing drum so as to switch the sealing cover between a first position state and a second position state back and forth, and when the sealing cover is in the first position state, the sealing cover is positioned between the mixing drum and the feeding hopper; when the sealing cover is in the second position state, the sealing cover is positioned on one side of the feed hopper, which is deviated from the mixing drum.
Preferably, the sealing assembly further comprises a slewing bearing, the slewing bearing comprises a fixed ring, a rotating ring rotatably connected in the fixed ring, and a slewing body accommodated between the fixed ring and the rotating ring, and the sealing cover is sleeved in the rotating ring and fixedly connected with the rotating ring.
Preferably, the sealing cover comprises an accommodating part and a sealing part which are connected in the front-back direction along the axial direction, a space enclosed by the accommodating part forms an accommodating area, and the rear end part of the mixing drum can be accommodated in the accommodating area; the preceding terminal surface of sealing portion extends backward and is formed with the mounting groove, be equipped with interior sealing washer in the mounting groove.
Preferably, a connecting part is mounted on the rear end face of the mixing drum, and the connecting part can be accommodated in an accommodating area of the accommodating part; the inner peripheral wall of the containing part extends outwards to form a ring groove, an outer sealing ring is assembled in the ring groove, and the outer sealing ring is partially located in the containing area.
Preferably, the rear end of the mixer truck is further equipped with a limiting ring, and the limiting ring is located at the butt joint of the mixing drum and the connecting part.
Preferably, the driving device comprises at least two supporting beams fixedly connected to the frame and at least two second wheel shafts, the supporting beams are located on two sides of a material inlet and a material outlet of the mixing drum, the length direction of the supporting beams is parallel to the axial direction of the mixing drum, the second wheel shafts extend along the width direction of the frame, two axial ends of each second wheel shaft are rotatably connected with traveling wheels, and the traveling wheels are connected to the supporting beams in a rolling manner.
Preferably, the driving device further comprises a first wheel shaft, the first wheel shaft is located below the second wheel shaft, the first wheel shaft extends along the width direction of the frame, two axial ends of the first wheel shaft are also rotatably connected with traveling wheels, and the traveling wheels on the first wheel shaft are connected in traveling grooves in the supporting beams in a rolling manner; the first wheel shaft and the second wheel shaft are rotatably connected to a plurality of support frames, the support frames are distributed at intervals along the axial direction of the first wheel shaft, one support frame is in driving connection with the telescopic piece, and is driven by the telescopic piece to move back and forth along the axial direction of the mixing drum.
Preferably, the motor is installed to the rear end of feeder hopper, the motor is connected with the second pivot drive of rotation connection on the support frame for the drive the second pivot rotates.
Preferably, the front end of the support beam is connected to the back stage of the frame through a connecting beam.
Preferably, two be connected with the fixed beam between the supporting beam, the stiff end of extensible member is connected on the fixed beam, the expansion end of extensible member is connected on a support frame.
According to the technical scheme, the mixer truck provided by the invention at least has the following advantages and positive effects:
1. the inner sealing ring, the mixing drum and the sealing part are in surface contact, so that inner sealing is realized; the outer sealing ring is in surface contact with the connecting part and the accommodating part to realize outer sealing; the material can be effectively isolated through the inner seal and the outer seal, the outward permeation of the material is effectively prevented, and the sealing is reliable.
2. The inner sealing ring and the outer sealing ring rotate along with the rotation of the mixing drum, namely, the inner sealing ring and the outer sealing ring both adopt a static sealing mode, so that the inner sealing ring and the outer sealing ring are not easy to wear after being used for a long time, and the sealing performance is guaranteed.
3. The sealed pressfitting of lid is in the transportation on the business turn over material mouth of churn, can effectively delay the moisture evaporation of concrete, reduces the moisture loss, has guaranteed the quality of concrete.
Drawings
Fig. 1 is a schematic overall structure diagram of a mixer truck according to an embodiment of the present invention.
Fig. 2 and 3 are schematic structural views of a portion where the rear seal assembly is located in the embodiment of the present invention.
Fig. 4 is a schematic structural view of a portion where the sealing cover is located in the embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of fig. 4.
The reference numerals are explained below:
1. a frame; 11. a background; 2. a mixing drum; 21. a connecting portion; 22. a limiting ring; 3. a seal assembly; 30. a motor; 31. a support beam; 32. a connecting beam; 33. a sealing cover; 301. a stationary ring; 302. rotating the ring; 303. an outer sealing ring; 304. an inner seal ring; 34. a first axle; 35. a second wheel axle; 36. a roller; 37. a support frame; 38. a walking frame; 39. a telescoping member; 4. a feed hopper.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and 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 mixer truck, which can be used for mixing and transporting concrete. The mixer truck generally comprises a frame 1, a mixing drum 2 rotatably mounted on the frame 1, a seal assembly 3 connected to the frame 1, and a hopper 4.
The mixing drum 2 can rotate relative to the frame 1 and is used for mixing materials in the mixing drum. The rear end of the mixing drum 2 is open, and a material inlet and a material outlet of the mixing drum 2 are formed.
The mixing drum 2 is used for mixing concrete materials in the mixing drum through rotation relative to the frame 1, and the sealing assembly 3 is used for opening or closing a material inlet and a material outlet of the mixing drum 2. When the feed inlet and the discharge outlet of the mixing drum 2 are opened, the feed hopper 4 can input concrete into the mixing drum 2 through the feed inlet and the discharge outlet, or the concrete in the mixing drum 2 is output outwards under the action of the helical blades in the mixing drum 2. In the transportation process, the feed inlet and the discharge outlet of the mixing drum 2 are sealed by the sealing component 3, so that the water evaporation of the concrete is delayed, the water loss is reduced, and the quality of the concrete is ensured.
The embodiment of the invention mainly optimizes the connection mode of the sealing component 3 and the feed hopper 4, and the related structures of the frame 1 and the feed hopper 4 can refer to the related technologies, which are not repeated in the application.
Referring to fig. 1 again, in the trucd mixer of this embodiment, the rear end tip of churn 2 is equipped with the business turn over material mouth, feeder hopper 4 correspond to the business turn over material mouth setting of churn 2, and feeder hopper 4 and seal assembly 3 homoenergetic move along the axial of churn 2, and wherein, seal assembly 3 can also carry out the turnover motion relative churn 2.
Referring to fig. 4 or 5, the sealing assembly 3 includes a rotary bearing and a sealing cover 33, the rotary bearing includes a fixed ring 301, a rotating ring 302 rotatably connected in the fixed ring 301, and a rotary body accommodated between the fixed ring 301 and the rotating ring 302, and the fixed ring 301 and the rotating ring 302 are rotatably connected through the rotary body. The fixed ring 301 and the rotating ring 302 are both in a ring structure, the sealing cover 33 is in a cylindrical structure with one end open, and the sealing cover 33 is sleeved in the rotating ring 302 and is fixedly connected with the rotating ring 302 and can rotate relative to the fixed ring 301.
The seal cover 33 is integrally formed, and for convenience of understanding, the seal cover 33 is divided into a receiving portion 332 and a sealing portion 331 which are axially connected to each other in a front-rear direction according to functional partitions of the seal cover 33. The seal portion 331 has a seal surface that engages with the rear end surface of the agitating drum 2.
The accommodating portion 332 is used for forming a fixed connection with the rotating ring 302, the accommodating portion 332 is cylindrical, a space enclosed inside the accommodating portion constitutes an accommodating area, and the rear end portion of the mixing drum 2 can be accommodated in the accommodating area.
Sealing 331 is used for sealing up the business turn over material mouth of churn 2, sealing 331 is discoid structure, the mounting groove has been seted up backward to the preceding terminal surface of sealing 331, the mounting groove is the ring form, be equipped with interior sealing washer 304 in the mounting groove, when sealed lid 33 forward motion to stroke terminal, interior sealing washer 304 is extruded between the rear end terminal surface of churn 2 and the preceding terminal surface of sealing 331, all form the surface contact between with churn 2 and the sealing 331, realize the internal seal.
Referring to fig. 1 again, the connecting portion 21 is mounted on the rear end surface of the mixing drum 2, the connecting portion 21 is a cylindrical structure with openings at the front and rear ends, and the outer diameter of the connecting portion 21 is smaller than the inner diameter of the accommodating portion 332, so that the connecting portion 21 can be accommodated in the accommodating area of the accommodating portion 332. The inner peripheral wall of the containing part 332 extends outwards to form an annular groove, an outer sealing ring 303 is assembled in the annular groove, the outer sealing ring 303 is an O-shaped sealing ring, part of the O-shaped sealing ring is located in the containing area, when the sealing cover 33 moves forwards to the stroke terminal, the outer sealing ring 303 is sleeved on the periphery of the connecting part 21 and is extruded by the connecting part 21 and the containing part 332 to be in surface contact with the connecting part 21 and the containing part 332, and outer sealing is achieved.
The sealing mechanism of the seal assembly 3 in this embodiment is as follows: during transport, the location of easy penetration is at the junction of the connecting portion 21 and the sealing cap 33. When the mixing drum 2 rotates, the sealing cover 33 rotates along with the mixing drum 2, and static sealing surfaces are formed between the inner sealing ring 304 of the sealing part 331 and the rear end surface of the mixing drum 2 and between the outer sealing ring 303 and the connecting part 21, so that a good sealing effect is achieved. Even if the inner sealing ring 304 fails, so that the gap between the object sealing part 331 and the inner sealing ring 304 leaks, the outer sealing ring 303 can perform two-way sealing on the material, thereby realizing effective isolation of the material and effectively preventing the material from continuously permeating outwards.
In some embodiments, the rear end of the mixer truck is further equipped with a limiting ring 22, and the limiting ring 22 is located at the butt joint of the mixing drum 2 and the connecting portion 21, and can be fixed with the mixing drum 2 and the connecting portion 21 by welding, so as to connect the mixing drum 2, the connecting portion 21, and the limiting ring 22 together.
As a whole, the stop collar 22 is of a circular ring structure, the outer diameter of the stop collar is larger than the outer diameter of the connecting portion 21, and a predetermined distance is provided between the stop collar and the rear end face of the connecting portion 21, when the sealing cover 33 moves forward to the end of the stroke, the front end face of the sealing cover 33 just abuts against the rear end face of the stop collar 22, so that excessive displacement of the sealing cover 33 is prevented, breakage of the sealing cover 33 due to rigid impact between the sealing portion 331 and the connecting portion 21 is avoided, and effectiveness of sealing of the sealing component 3 is ensured.
The sealing component 3 and the feeding hopper 4 in the embodiment are in transmission connection by a driving device and are driven by the driving device to perform corresponding actions.
Referring to fig. 2 and 3, the driving device includes a support, a traveling mechanism and a driving mechanism, both the traveling mechanism and the driving mechanism are mounted on the support, and the traveling mechanism is driven by the driving mechanism and can move back and forth along the axial direction of the mixing drum 2.
The support comprises two supporting beams 31, the two supporting beams 31 are respectively positioned at two sides of the mixing drum 2, the length direction of the supporting beams 31 is consistent with the axial direction of the mixing drum 2, and a walking space for accommodating a walking mechanism is formed between the two supporting beams 31; the front end of the supporting beam 31 is located at the front side of the material inlet and outlet of the mixing drum 2, and the front end of the supporting beam 31 is connected with the frame 1 or the back stage 11 on the frame 1 through a connecting beam 32 and used for fixing the bracket on the frame 1.
The travelling mechanism comprises a first wheel shaft 34 and at least two second wheel shafts 35, the axial directions of the first wheel shaft 34 and the second wheel shaft 35 are consistent with the width direction of the frame 1, and travelling wheels 36 rotatably connected with the first wheel shaft 34 and the second wheel shaft 35 are sleeved at the two axial ends of the first wheel shaft 34 and the second wheel shaft 35.
Referring to fig. 3, the first wheel axle 34 is located below the second wheel axle 35, the two traveling wheels 36 on the first wheel axle 34 are respectively installed in traveling grooves formed in the inner sides of the two support beams 31, and the length direction of the traveling grooves extends along the length direction of the support beams 31, so that the first wheel axle 34 can move back and forth along the length direction of the support beams 31.
The two second wheel shafts 35 are respectively positioned on two sides of the first wheel shaft 34 and above the support beam 31, the two second wheel shafts 35 are fixedly connected to the walking frame 38, the sealing assembly 3 is fixedly connected to the front end of the walking frame 38, and specifically, the outer peripheral wall of the fixing ring 301 is fixedly connected to the front end of the walking frame 38.
The two second wheel shafts 35 have a predetermined distance therebetween, and the sealing cover 33 can be turned over from one end of the sealing cover 33 to the other end, so that the sealing cover 33 can move between the material inlet and the material outlet of the mixing drum 2 and the feed hopper 4, or the feed hopper 4 can be opposite to the material inlet and the material outlet of the mixing drum 2.
At least two supporting frames 37 are further arranged between the first wheel shaft 34 and the second wheel shaft 35, the first wheel shaft 34 and the second wheel shaft 35 are rotatably connected with the supporting frames 37, the supporting frames 37 are distributed at intervals along the axial direction of the first wheel shaft 34 and the second wheel shaft 35, the feed hopper 4 is fixedly installed on one of the supporting frames 37, the motor 30 is installed at the rear end of the feed hopper 4, and the motor 30 is in driving connection with one second wheel shaft 35 and used for driving the second wheel shaft 35 to rotate.
The driving mechanism comprises a telescopic piece 39, and the telescopic piece 39 can adopt a power source such as an air cylinder or a hydraulic cylinder. A fixed beam (not labeled) is connected between the two support beams 31, the fixed end of the telescopic member 39 is mounted on the fixed beam, and the movable end of the telescopic member 39 is mounted on the support frame 37. The feed hopper 4 and the sealing cover 33 are allowed to move back and forth in the axial direction of the agitating drum 2 by the telescopic movement of the piston end of the telescopic member 39.
The working principle of the rear sealing device in this embodiment will be described in detail below.
In the driving process of the mixer truck, the sealing cover 33 is pressed on the material inlet and the material outlet of the mixing drum 2, the mixing drum 2 drives the sealing cover 33 to rotate relative to the slewing bearing, the mixing drum 2 is sealed in the feeding way through the sealing cover 33, and the materials in the mixing drum 2 are prevented from leaking outwards.
When the mixer is stopped to discharge materials or materials are input into the mixing drum 2, the driving mechanism drives the sealing cover 33 and the feed hopper 4 to move backwards, and the material inlet and the material outlet of the mixing drum 2 are exposed.
The motor 30 drives a second wheel shaft 35 to rotate, and the second wheel shaft 35 rotates to turn the traveling frame 38 relative to the second wheel shaft, so that the sealing cover 33 fixed on the traveling frame 38 is turned from the front end to the rear end of the feeding hopper 4, and the feeding hopper 4 can be opposite to the feeding port and the discharging port of the mixing drum 2.
When the vehicle is stopped and the material is unloaded, the mixing drum 2 is rotated, the material in the mixing drum 2 is output outwards under the action of the helical blade in the mixing drum 2, and the unloading is realized.
When the feeding is stopped, the feed hopper 4 and the sealing cover 33 are driven to move forwards through the driving mechanism, so that the discharge end of the feed hopper 4 can extend into the mixing drum 2 through the feed and discharge port of the mixing drum 2, and the materials can enter the mixing drum 2 through the feed hopper 4 to realize feeding.
After unloading or feeding is finished, the driving mechanism drives the feed hopper 4 and the sealing cover 33 to move backwards, after the feed hopper 4 moves backwards for a preset distance, the motor 30 drives the second wheel shaft 35 to drive the traveling frame 38 to turn over, so that the sealing cover 33 is turned over from the rear end to the front end of the feed hopper 4, and then the driving mechanism drives the sealing cover 33 and the feed hopper 4 to move forwards until the sealing cover 33 is tightly pressed at the rear end of the mixing drum 2.
In conclusion, the mixer truck provided by the invention at least has the following advantages and positive effects:
the inner sealing ring 304 is in surface contact with the stirring cylinder 2 and the sealing part 331 to realize inner sealing; the outer sealing ring 303, the connecting part 21 and the accommodating part 332 form surface contact to realize outer sealing; the material can be effectively isolated through the inner and outer seals, and the material is effectively prevented from permeating outwards.
The inner sealing ring 304 and the outer sealing ring 303 rotate along with the rotation of the mixing drum 2, namely, the inner sealing ring 304 and the outer sealing ring 303 both adopt a static sealing mode, so that the wear is not easy to occur after the mixing drum is used for a long time, and the sealing performance is ensured.
The sealed 3 pressfitting of lid in the transportation is on the business turn over material mouth of churn 2, can effectively delay the moisture evaporation of concrete, reduces the moisture loss, has guaranteed the quality of concrete.
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 (10)
1. A mixer truck, comprising:
the frame is rotatably connected with a stirring drum;
the sealing assembly comprises a sealing cover, and the sealing cover is used for opening or closing the feed and discharge port of the stirring cylinder;
the feed hopper is used for inputting materials into the mixing drum through the feed and discharge port;
the driving device is in transmission connection with the sealing cover and the feeding hopper, is used for driving the sealing cover and the feeding hopper to move back and forth along the axial direction of the mixing drum, and is used for driving the sealing cover to turn over relative to the mixing drum so as to switch the sealing cover between a first position state and a second position state back and forth; when the sealing cover is in a first position state, the sealing cover is positioned between the mixing drum and the feed hopper; when the sealing cover is in the second position state, the sealing cover is positioned on one side of the feed hopper, which is deviated from the mixing drum.
2. The mixer truck of claim 1, wherein the seal assembly further comprises a rotary support, the rotary support comprises a fixed ring, a rotating ring rotatably connected in the fixed ring, and a rotary body accommodated between the fixed ring and the rotating ring, and the seal cover is inserted into the rotating ring and fixedly connected with the rotating ring.
3. The mixer truck according to claim 2, wherein the sealing cover comprises an accommodating portion and a sealing portion which are connected in the front-back direction along the axial direction, a space enclosed by the accommodating portion constitutes an accommodating area, and the rear end portion of the mixing drum can be accommodated in the accommodating area; the preceding terminal surface of sealing portion extends backward and is formed with the mounting groove, be equipped with interior sealing washer in the mounting groove.
4. The mixer truck according to claim 3, wherein a connecting portion is attached to a rear end surface of the mixing drum, and the connecting portion is receivable in a receiving area of the receiving portion; the inner peripheral wall of the containing part extends outwards to form a ring groove, an outer sealing ring is assembled in the ring groove, and the outer sealing ring is partially located in the containing area.
5. The mixer truck according to claim 4, wherein the rear end of the mixer truck is further equipped with a limiting ring, and the limiting ring is located at the joint of the mixing drum and the connecting part.
6. The mixer truck according to claim 1, wherein the driving device comprises at least two supporting beams fixedly connected to the truck frame and at least two second wheel shafts, the supporting beams are positioned on two sides of the material inlet and outlet of the mixing drum, the length direction of the supporting beams is parallel to the axial direction of the mixing drum, the second wheel shafts extend along the width direction of the truck frame, two axial ends of the second wheel shafts are rotatably connected with traveling wheels, and the traveling wheels are connected to the supporting beams in a rolling manner.
7. The mixer truck according to claim 6, wherein the driving device further comprises a first wheel shaft, the first wheel shaft is located below a second wheel shaft, the first wheel shaft extends along the width direction of the truck frame, the two axial ends of the first wheel shaft are also rotatably connected with the road wheels, and the road wheels on the first wheel shaft are rotatably connected in the road grooves in the support beams; the first wheel shaft and the second wheel shaft are rotatably connected to a plurality of support frames, the support frames are distributed at intervals along the axial direction of the first wheel shaft, one support frame is in driving connection with the telescopic piece, and is driven by the telescopic piece to move back and forth along the axial direction of the mixing drum.
8. The mixer truck of claim 7, wherein a motor is mounted at a rear end of the hopper, and the motor is drivingly connected to a second shaft rotatably connected to the support frame for driving the second shaft to rotate.
9. The mixer truck of claim 6 wherein the front ends of the support beams are connected to the rear frame of the truck frame by a connecting beam.
10. The mixer truck according to claim 6, wherein a fixed beam is connected between the two support beams, a fixed end of the expansion member is connected to the fixed beam, and a movable end of the expansion member is connected to a support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184031.9A CN112318723A (en) | 2020-10-29 | 2020-10-29 | Agitating lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184031.9A CN112318723A (en) | 2020-10-29 | 2020-10-29 | Agitating lorry |
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| Publication Number | Publication Date |
|---|---|
| CN112318723A true CN112318723A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011184031.9A Pending CN112318723A (en) | 2020-10-29 | 2020-10-29 | Agitating lorry |
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| CN (1) | CN112318723A (en) |
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| CN107344401A (en) * | 2017-08-29 | 2017-11-14 | 烟台盛利达工程技术有限公司 | The concrete mixing and transporting car of quill shaft rotary sealing |
| CN110625815A (en) * | 2019-10-23 | 2019-12-31 | 三一专用汽车有限责任公司 | Mixer truck |
| CN111546496A (en) * | 2020-05-13 | 2020-08-18 | 山东精砼工程机械股份有限公司 | Lightweight maintenance-free rotary sealing device |
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