CN217777344U

CN217777344U - Stirring equipment for construction site

Info

Publication number: CN217777344U
Application number: CN202221027372.XU
Authority: CN
Inventors: 杨慧椋; 吴晨晨; 王凯峰; 曹连社; 王同庆
Original assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-11
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a stirring equipment for construction site, wherein the vertical setting of the blending tank body, stirring main shaft and the equal vertical setting of stirring montant all are located the blending tank body, drive arrangement sets up at the blending tank internal and connects the stirring main shaft, the vertical portable setting of stirring horizontal pole is in the upper portion of stirring main shaft and rotated spacingly by its level, the stirring montant is connected with the stirring horizontal pole, bearing ring level sets up and the cover is established outside the upper portion of stirring main shaft and is located the top of stirring horizontal pole, the vertical setting of connecting rod is located between bearing ring and the stirring horizontal pole and connects both respectively, the vertical portable top of wearing to establish the blending tank body in middle part of lifting connecting rod, first elevating gear sets up on the top of the blending tank body and connects the upper end of lifting connecting rod, the bearing ring is connected to the lower extreme of lifting connecting rod. The utility model discloses it is efficient to the stirring of concrete, and stirring effect is good, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

Description

Stirring equipment for construction site

Technical Field

The utility model relates to a building engineering technical field, in particular to agitated vessel technical field specifically indicates an agitated vessel is used at construction scene.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.

In the process of stirring the existing concrete, the stirring efficiency of the stirring equipment on the concrete is low, and the stirring effect is poor.

Therefore, it is desirable to provide a stirring apparatus for a construction site, which has high efficiency of stirring concrete and excellent stirring effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming in the prior art, an object of the utility model is to provide a stirring equipment for construction site, its stirring to the concrete is efficient, and stirring effect is good, is suitable for extensive popularization and application.

Another object of the utility model is to provide an agitated vessel is used at construction scene, its design benefit, the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

For reaching above purpose, the utility model provides a agitated vessel for construction site, including the blending tank body, drive arrangement and stirring main shaft, its characteristics are, agitated vessel for construction site still includes stirring horizontal pole, stirring montant, connecting rod, bearing ring, lift connecting rod and first elevating gear, wherein:

the vertical setting of blending tank body, the stirring main shaft with the equal vertical setting of stirring montant all is located in the blending tank body, drive arrangement sets up the blending tank is internal and connect the stirring main shaft is used for the drive the stirring main shaft level is rotatory, the vertical portable setting of stirring horizontal pole is in the upper portion of stirring main shaft and by the upper portion level of stirring main shaft rotate spacingly, the stirring montant with the stirring horizontal pole is connected, bearing ring level setting and cover are established the upper portion of stirring main shaft outside and be located the top of stirring horizontal pole, the vertical setting of connecting rod is located the bearing ring with connect respectively between the stirring horizontal pole the bearing ring with the stirring horizontal pole, the vertical portable top of wearing to establish in middle part of lifting connecting rod the blending tank body, first elevating gear sets up the top of blending tank body on connect the upper end of lifting connecting rod is used for going up and down the lifting connecting rod, the lower extreme of lifting connecting rod is connected the bearing ring.

Preferably, the number of the stirring cross rods is multiple, the multiple stirring cross rods are vertically arranged at intervals, the bearing ring is positioned above the uppermost stirring cross rod, and the uppermost stirring cross rod is connected with the connecting rod.

Preferably, the number of the stirring vertical rods is multiple, and the multiple stirring vertical rods are transversely arranged at intervals.

Preferably, the number of the connecting rods is multiple, and the multiple connecting rods are arranged at intervals in the transverse direction.

Preferably, the number of the lifting connecting rods is multiple, and the lifting connecting rods are arranged around the upper part of the stirring main shaft at intervals.

Preferably, the upper portion of the stirring main shaft is transversely provided with a through hole, the through hole is a long strip-shaped through hole, the long strip-shaped through hole vertically extends, and the stirring cross rod is vertically movably inserted into the through hole.

Preferably, the bearing ring comprises an inner ring, an outer ring and balls, the inner ring and the outer ring are both horizontally arranged, the inner ring is positioned in the outer ring, the balls can be arranged between the inner ring and the outer ring in a rolling manner, the inner ring is horizontally and rotatably connected with the outer ring through the balls, the lower end of the lifting connecting rod is connected with the inner ring, and the outer ring is connected with the connecting rod.

Preferably, the first lifting device comprises a driving part, a turntable, an eccentric shaft, a linkage rod and a connecting shaft, the connecting shaft is transversely arranged and connected with the upper end of the lifting connecting rod, the eccentric shaft is transversely arranged and positioned above the connecting shaft, the linkage rod is vertically arranged and positioned between the eccentric shaft and the connecting shaft and is respectively rotatably connected with the eccentric shaft and the connecting shaft around the left and right direction, the turntable is vertically arranged and is arranged along the front and back direction, the eccentric shaft is connected with the turntable, and the driving part is arranged on the top of the mixing tank body and is connected with the turntable for driving the turntable to rotate around the left and right direction.

Preferably, the stirring equipment for the construction site further comprises a spiral stirring blade, wherein the spiral stirring blade is vertically arranged and positioned in the mixing tank body and is sleeved on the outer side surface of the lower part of the stirring main shaft.

Preferably, the stirring equipment for the building construction site further comprises a bottom plate and a second lifting device, the bottom plate is horizontally arranged and located below the mixing tank body, and the second lifting device is located between the mixing tank body and the bottom plate and is respectively connected with the mixing tank body and the bottom plate.

The beneficial effects of the utility model mainly lie in:

1. the utility model discloses a vertical setting of blending tank body of agitated vessel for construction site, stirring main shaft and the equal vertical setting of stirring montant all are located the blending tank body, drive arrangement sets up in the blending tank body and connects the stirring main shaft to be used for driving stirring main shaft horizontal rotation, the vertical portable setting of stirring horizontal pole is in the upper portion of stirring main shaft and is rotated spacingly by its level, the stirring montant is connected with the stirring horizontal pole, bearing ring level sets up and overlaps and establish outside the upper portion of stirring main shaft and be located the top of stirring horizontal pole, the vertical setting of connecting rod is located between bearing ring and the stirring horizontal pole and connect both respectively, the vertical portable top of wearing to establish the blending tank body in middle part of the lift connecting rod, first elevating gear sets up and connects the upper end of lift connecting rod on the top of the blending tank body and be used for the lift connecting rod, the bearing ring is connected to the lower extreme of lift connecting rod, therefore, it is efficient to the stirring of concrete, and stirring effect is good, be suitable for popularization and application on a large scale.

2. The utility model discloses a vertical setting of blending tank body of agitated vessel for construction site, stirring main shaft and the equal vertical setting of stirring montant all are located the blending tank body, drive arrangement sets up in the blending tank body and connects the stirring main shaft to be used for driving stirring main shaft horizontal rotation, it is spacing that the vertical portable setting of stirring horizontal pole is in the upper portion of stirring main shaft and rotated by its level, the stirring montant is connected with the stirring horizontal pole, bearing ring level sets up and overlaps and establish outside the upper portion of stirring main shaft and be located the top of stirring horizontal pole, the vertical setting of connecting rod is located between bearing ring and the stirring horizontal pole and connect both respectively, the vertical portable top of wearing to establish the blending tank body in middle part of the lift connecting rod, first elevating gear sets up and connects the upper end of lift connecting rod on the top of the blending tank body and be used for the lift connecting rod, the bearing ring is connected to the lower extreme of lift connecting rod, therefore, the design benefit, the structure is succinct, it is simple and convenient to make, low cost, and suitable for extensive popularization and application.

These and other objects, features and advantages of the present invention will be fully apparent from the following detailed description and appended drawings, and may be realized by means of the instrumentalities, devices and combinations particularly pointed out in the specification.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the stirring apparatus for a construction site according to the present invention.

FIG. 2 is a front view partially in section of the embodiment shown in FIG. 1.

Fig. 3 is an enlarged schematic view of region a in fig. 2.

Fig. 4 is a perspective view of the assembly of the first lifting device and the lifting link of the embodiment shown in fig. 1.

(description of symbols)

1, mixing a tank body; 2 a driving device; 3, stirring the main shaft; 4, stirring the cross rod; 5, stirring the vertical rod; 6, connecting the rod; 7, a bearing ring; 8, a lifting connecting rod; 9 a first lifting device; 10 a drive member; 11 a turntable; 12 an eccentric shaft; 13 a linkage rod; 14 connecting the shafts; 15 spiral stirring blades; 16 a base plate; 17 a second lifting device; 18 a switch; 19 a protective housing; 20, a water inlet hopper; 21 feeding a hopper; 22, discharging a hopper; a valve 23; 24 an exhaust pipe; 25 exhaust fan.

Detailed Description

In order to clearly understand the technical contents of the present invention, the following embodiments are specifically described in detail.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1-4, in a specific embodiment of the present invention, the stirring apparatus for construction site of the present invention includes a mixing tank 1, a driving device 2, a stirring spindle 3, a stirring horizontal rod 4, a stirring vertical rod 5, a connecting rod 6, a bearing ring 7, a lifting connecting rod 8 and a first lifting device 9, wherein:

1 vertical setting of the blending tank body, stirring main shaft 3 with 5 equal vertical settings of stirring montant and all being located in the blending tank body 1, drive arrangement 2 sets up in the blending tank body 1 and connect stirring main shaft 3 is used for the drive 3 horizontal rotation of stirring main shaft, 4 vertical portable settings of stirring horizontal pole are in the upper portion of stirring main shaft 3 and by the upper portion level of stirring main shaft 3 rotate spacingly, stirring montant 5 with stirring horizontal pole 4 is connected, 7 levels of bearing ring set up and establish the upper portion of stirring main shaft 3 outer and be located the top of stirring

horizontal pole

4, 6 vertical settings of connecting rod are located the bearing ring 7 with between the stirring horizontal pole 4 and connect respectively bearing ring 7 with stirring horizontal pole 4, the vertical portable dress of wearing in middle part of lift connecting rod 8 the top of the blending tank body 1, first elevating gear 9 sets up the top of the blending tank body 1 on and connect the upper end of lift connecting rod 8 is used for going up and down the lift connecting rod 8, the lower extreme of lift connecting rod 8 is connected 7.

Here, the stirring bar 4 is disposed in the left-right direction.

The driving device 2 may be any suitable driving device, and in an embodiment of the present invention, the driving device 2 is a stirring motor.

The driving device 2 is disposed in the mixing tank 1, and can be disposed at any suitable position in the mixing tank 1, please refer to fig. 2 to 3, in a specific embodiment of the present invention, the driving device 2 is disposed on the inner top wall of the mixing tank 1.

The number of the stirring cross rods 4 can be determined as required, preferably, the number of the stirring cross rods 4 is multiple, the multiple stirring cross rods 4 are vertically arranged at intervals, the bearing ring 7 is located above the uppermost stirring cross rod 4, and the uppermost stirring cross rod 4 is connected with the connecting rod 6. Referring to fig. 2, in an embodiment of the present invention, the number of the stirring rods 4 is 2.

The number of the vertical stirring rods 5 can be determined as required, preferably, the number of the vertical stirring rods 5 is multiple, and the multiple vertical stirring rods 5 are transversely arranged at intervals. More preferably, the number of the vertical stirring rods 5 is 2, and the 2 vertical stirring rods 5 are arranged in bilateral symmetry relative to the upper part of the stirring main shaft 3. Referring to fig. 2, in an embodiment of the present invention, the middle of the stirring cross rod 4 is vertically movably disposed in the upper portion of the stirring spindle 3 and horizontally rotated and limited by the upper portion of the stirring spindle 3, and the 2 stirring vertical rods 5 are respectively connected to the left end and the right end of the stirring cross rod 4.

The number of the connecting rods 6 can be determined according to the requirement, preferably, the number of the connecting rods 6 is multiple, and the connecting rods 6 are arranged at intervals in the transverse direction. Referring to fig. 2 to 3, in an embodiment of the present invention, the number of the connecting rods 6 is 2, and the 2 connecting rods 6 are symmetrically arranged with respect to the upper portion of the stirring main shaft 3.

The number of the lifting connecting rods 8 can be determined as required, and preferably, the number of the lifting connecting rods 8 is multiple, and the lifting connecting rods 8 are arranged around the upper part of the stirring main shaft 3 at intervals. Referring to fig. 2 to 3, in an embodiment of the present invention, the number of the lifting links 8 is 2, and the 2 lifting links 8 are symmetrically arranged with respect to the upper portion of the stirring main shaft 3.

The vertical portable setting of stirring horizontal pole 4 is in the upper portion of stirring main shaft 3 and by the upper portion level of stirring main shaft 3 rotate spacingly, can adopt any suitable structure in the embodiment of the utility model discloses an in the concrete embodiment, the upper portion of stirring main shaft 3 transversely be provided with the through-hole (not shown in the figure), the through-hole is rectangular shape through-hole, the vertical extension setting of rectangular shape through-hole, the vertical portable inserting of stirring horizontal pole 4 is established in the through-hole.

The through hole may have any suitable shape, and in a specific embodiment of the present invention, the through hole is a kidney-shaped hole.

The bearing ring 7 may have any suitable configuration, and in an embodiment of the present invention, the bearing ring 7 comprises an inner ring (not shown), an outer ring (not shown) and balls (not shown), the inner ring and the outer ring are horizontally arranged, the inner ring is located in the outer ring, the balls are rollably arranged between the inner ring and the outer ring, the inner ring is rotatably connected to the outer ring via the balls, the lower end of the lifting link 8 is connected to the inner ring, and the outer ring is connected to the connecting rod 6.

The first lifting device 9 may have any suitable structure, as shown in fig. 4, in a specific embodiment of the present invention, the first lifting device 9 includes a driving part 10, a rotating disc 11, an eccentric shaft 12, a linkage rod 13 and a connecting shaft 14, the connecting shaft 14 is transversely disposed and connected to the upper end of the lifting connecting rod 8, the eccentric shaft 12 is transversely disposed and located above the connecting shaft 14, the linkage rod 13 is vertically disposed and located between the eccentric shaft 12 and the connecting shaft 14 and is rotatably connected to the eccentric shaft 12 and the connecting shaft 14 around the left and right directions, respectively, the rotating disc 11 is vertically disposed and is disposed along the front and back directions, the eccentric shaft 12 is connected to the rotating disc 11, the driving part 10 is disposed on the top of the mixing tank 1 and is connected to the rotating disc 11 for driving the rotating disc 11 to rotate around the left and right directions.

With the arrangement, when the driving part 10 is started, the rotary table 11 is driven to rotate around the left and right directions, the eccentric shaft 12 is driven to rotate around the left and right directions, and therefore the connecting shaft 14 is driven to lift through the linkage rod 13, and the lifting connecting rod 8 is driven to lift.

The drive member 10 may be any suitable drive member, and in a specific embodiment of the present invention, the drive member 10 is a drive motor.

The stirring equipment for the construction site can also comprise any other suitable components, please refer to fig. 2, in a specific embodiment of the present invention, the stirring equipment for the construction site further comprises a spiral stirring blade 15, and the spiral stirring blade 15 is vertically arranged and located in the mixing tank body 1 and is sleeved on the outer side surface of the lower part of the stirring main shaft 3.

The stirring device for the construction site may further include any other suitable components, as shown in fig. 1, in a specific embodiment of the present invention, the stirring device for the construction site further includes a bottom plate 16 and a second lifting device 17, the bottom plate 16 is horizontally disposed and located below the mixing tank body 1, and the second lifting device 17 is located between the mixing tank body 1 and the bottom plate 16 and is respectively connected to the mixing tank body 1 and the bottom plate 16.

The second lifting device 17 may be any suitable second lifting device, and in an embodiment of the present invention, the second lifting device 17 is an electric cylinder.

The number of the second lifting devices 17 can be determined as required, and more preferably, the number of the second lifting devices 17 is multiple, and the multiple second lifting devices 17 are horizontally arranged at intervals. Referring to fig. 1, in an embodiment of the present invention, the number of the second lifting devices 17 is 4, and 4 second lifting devices 17 are respectively distributed at 4 corners of a rectangle.

The stirring device for the construction site may further include any other suitable components, as shown in fig. 1, in a specific embodiment of the present invention, the stirring device for the construction site further includes a switch 18, and the switch 18 is disposed on the outer side surface of the mixing tank 1 and is in signal connection with the second lifting device 17 for controlling the start and stop of the second lifting device 17.

The stirring device for the construction site may further include any other suitable components, as shown in fig. 1 to fig. 2, in a specific embodiment of the present invention, the stirring device for the construction site further includes a protective casing 19, and the protective casing 19 is disposed on the top of the mixing tank 1 and covers the first lifting device 9.

The stirring device for the construction site can further comprise any other suitable components, preferably, the stirring device for the construction site further comprises a water inlet hopper 20, a material feeding hopper 21, a material discharging hopper 22, a valve 23, an exhaust pipe 24, an exhaust fan 25 and a gas purification device (not shown in the figure), wherein the water inlet hopper 20 and the material feeding hopper 21 are arranged on the top of the mixing tank body 1, the material discharging hopper 22 is arranged at the bottom of the mixing tank body 1, the valve 23 is arranged in the material discharging hopper 22, the exhaust pipe 24 is arranged on the upper part of the outer side wall of the mixing tank body 1, and the exhaust fan 25 and the gas purification device are arranged in the exhaust pipe 24. Referring to fig. 1 to 2, in an embodiment of the present invention, when the stirring apparatus for a construction site further includes a protective casing 19, the water inlet hopper 20 and the feeding hopper 21 are respectively located at left and right sides of the protective casing 19. Through setting up the blast pipe 24 the air discharge fan 25 with gaseous purifier starts the work of air discharge fan 25 is convenient for with gaseous in time discharging that produces during the stirring in the blending tank body 1, exhaust gas can pass through gaseous purifier obtains timely purification, has reduced environmental pollution.

When the stirring device is used, concrete is added into the mixing tank body 1 through the feeding hopper 21, water is added into the mixing tank body 1 through the water inlet hopper 20, then the driving device 2 is started to drive the stirring main shaft 3 to horizontally rotate, the stirring cross rod 4 is driven to horizontally rotate, and the stirring vertical rod 5, the connecting rod 6 and the bearing ring 7 which are connected with the stirring main shaft are driven to horizontally rotate, so that rotary stirring is achieved; the stirring main shaft 3 horizontally rotates and also drives the spiral stirring blades 15 to horizontally rotate, so that the effect of preventing concrete from sinking is achieved; when the driving device 2 is started, the first lifting device 9 starts to work, so that the lifting connecting rod 8 is lifted and lowered to drive the bearing ring 7 to lift and further drive the connecting rod 6 to lift, thereby driving the stirring transverse rod 4 and the stirring vertical rod 5 connected with the stirring transverse rod to lift, and the stirring transverse rod 4 is vertically movable relative to the upper part of the stirring main shaft 3, so that up-and-down reciprocating motion is achieved, and the full mixing of concrete mixtures is realized. When the stirring is finished, the second lifting device 17 is started to extend, the height of the mixing tank body 1 is increased, the containing barrel is placed on the bottom plate 16, and the valve 23 is opened to contain the materials.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model drives the stirring main shaft to rotate horizontally through the driving device, drives the stirring cross rod and the stirring vertical rod to rotate horizontally through the stirring main shaft, and drives the lifting connecting rod, the bearing ring, the connecting rod and the stirring cross rod to lift in a reciprocating manner through the first lifting device during horizontal rotation, so that the vertical movement of the stirring cross rod and the stirring vertical rod can be realized, and the mixing and stirring are more uniform;

2. the utility model drives the stirring main shaft to rotate horizontally through the driving device, drives the spiral stirring blade to rotate horizontally through the stirring main shaft, and can drive the bottom to mix and move upwards, thereby continuously participating in mixing and stirring, and improving the stirring effect of concrete;

3. through blast pipe, air discharge fan and the gaseous purifier who sets up, start the work of air discharge fan, the gaseous in time discharge that produces when being convenient for with the internal stirring of blending tank, exhaust gas can obtain timely purification through gaseous purifier, has reduced environmental pollution.

Therefore, adopt the utility model discloses, it is low to have solved the mixing efficiency of the concrete that proposes among the prior art, and the not good problem of stirring effect, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

To sum up, the utility model discloses a stirring equipment for construction scene is efficient to the stirring of concrete, and stirring effect is good, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

Therefore, the purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, the present invention includes all modifications within the spirit and scope of the appended claims.

Claims

1. The utility model provides a stirring equipment for construction site, includes blending tank, drive arrangement and stirring main shaft, a serial communication port, stirring equipment for construction site still includes stirring horizontal pole, stirring montant, connecting rod, bearing ring, lifting connecting rod and first elevating gear, wherein:

2. The mixing apparatus for use in construction sites according to claim 1, wherein the number of the mixing bars is plural, the plural mixing bars are vertically spaced apart from each other, the bearing ring is positioned above the uppermost mixing bar, and the uppermost mixing bar is connected to the connecting rod.

3. The mixing apparatus for use in construction sites as claimed in claim 1, wherein the number of the mixing vertical rods is plural, and the plural mixing vertical rods are arranged laterally at intervals from each other.

4. The mixing apparatus for a construction site according to claim 1, wherein the number of the connecting rods is plural, and the plural connecting rods are laterally spaced from each other.

5. The stirring apparatus for a construction site as set forth in claim 1, wherein the number of the lifting links is plural, and the plurality of lifting links are spaced apart from each other around an upper portion of the stirring main shaft.

6. The stirring apparatus for a construction site as claimed in claim 1, wherein a through hole is transversely formed at an upper portion of the stirring main shaft, the through hole is a long through hole, the long through hole extends vertically, and the stirring cross bar is vertically movably inserted into the through hole.

7. The stirring apparatus for a construction site as set forth in claim 1, wherein the bearing ring comprises an inner ring, an outer ring and balls, the inner ring and the outer ring are horizontally disposed, the inner ring is located in the outer ring, the balls are rollably disposed between the inner ring and the outer ring, the inner ring is horizontally rotatably connected to the outer ring by the balls, the lower end of the elevating link is connected to the inner ring, and the outer ring is connected to the connecting rod.

8. The stirring apparatus for use in construction sites as claimed in claim 1, wherein the first elevating means includes a driving unit, a turntable, an eccentric shaft, a linkage rod and a connecting shaft, the connecting shaft is transversely disposed and connected to the upper end of the elevating connecting rod, the eccentric shaft is transversely disposed and located above the connecting shaft, the linkage rod is vertically disposed and located between the eccentric shaft and the connecting shaft and rotatably connects the eccentric shaft and the connecting shaft around the left and right directions, respectively, the turntable is vertically disposed and disposed along the front and rear directions, the eccentric shaft is connected to the turntable, and the driving unit is disposed on the top of the mixing tank and connected to the turntable for driving the turntable to rotate around the left and right directions.

9. The stirring apparatus for a construction site as claimed in claim 1, further comprising a spiral stirring blade vertically disposed in the mixing tank body and sleeved on an outer side surface of a lower portion of the stirring main shaft.

10. The stirring apparatus for a construction site as set forth in claim 1, further comprising a bottom plate disposed horizontally and below the mixing tank, and a second elevating means disposed between and connecting the mixing tank and the bottom plate, respectively.