CN212685623U

CN212685623U - Concrete handling system

Info

Publication number: CN212685623U
Application number: CN202021319253.2U
Authority: CN
Inventors: 姚大伟; 侯军; 曹翔; 舒涛; 杨经纬; 黄伟; 王彬; 方文港
Original assignee: Chongqing Cscec Hailong Liangjiang Construction Technology Co ltd
Current assignee: Chongqing Cscec Hailong Liangjiang Construction Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-12
Anticipated expiration: 2030-07-07

Abstract

A concrete handling system comprising: a transport device, comprising: the bottom of the base is provided with wheels, the top of the base is provided with a mounting table, the top of the base is sunken to form a first groove, a lifting assembly used for pushing the mounting table to move in the vertical direction is arranged in the first groove, the top of the mounting table is sunken to form a first sliding groove, the mounting plate is slidably arranged in the first sliding groove, a driving assembly used for driving the mounting plate to slide in the first sliding groove is arranged on the mounting table, and a plurality of accommodating grooves used for accommodating cement buckets are formed in the top of the mounting plate in a sunken mode; and a lifting device, comprising: the mounting bracket is provided with the elevating platform on the mounting bracket with sliding, and the top of elevating platform is sunken to form the fifth spout, is provided with the chucking subassembly with the mounting panel chucking in the fifth spout on the lateral wall of elevating platform, and the top of mounting bracket is provided with actuating mechanism, and the top of elevating platform is provided with coupling assembling, and actuating mechanism is connected to coupling assembling.

Description

Concrete handling system

Technical Field

The utility model relates to a concrete handling technical field especially relates to a concrete handling system.

Background

The concrete is very commonly used in the field of construction, and the concrete takes cement as a cementing material and sand and stone as aggregates; mixing with water (optionally containing additive and admixture) at a certain ratio, and stirring. On the building site, in order to facilitate the construction generally need carry the construction position of take the altitude with subaerial muddy earth, current transport mode generally does, the workman packs the concrete into in the cement bucket, then mention the cement bucket on elevating gear's the platform, transport the cement bucket to the assigned position through elevating gear at last, but need consume a large amount of manpowers when carrying cement bucket to the elevating platform, and directly place the cement bucket on the elevating platform, if the elevating platform rocks and rocks the cement bucket easily and fall, the concrete spills from the cement bucket, cause the waste of resource, can't realize the quick effectual cement bucket that the transportation is equipped with the concrete.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a concrete handling system, it has solved the unable problem that realizes quick effectual transportation and is equipped with the cement bucket of concrete among the prior art.

According to the utility model discloses an embodiment, a concrete handling system, include: a transport device, comprising: the bottom of the base is provided with wheels, the top of the base is provided with a mounting table, the top of the base is sunken to form a first groove, a lifting assembly used for pushing the mounting table to move in the vertical direction is arranged in the first groove, the top of the mounting table is sunken to form a first sliding groove, the mounting plate is slidably arranged in the first sliding groove, a driving assembly used for driving the mounting plate to slide in the first sliding groove is arranged on the mounting table, a plurality of accommodating grooves used for accommodating cement buckets are formed in the top of the mounting plate, and a pressing assembly used for pressing the cement buckets in the corresponding accommodating grooves is arranged in the mounting plate; and a lifting device, comprising: the mounting bracket, the mounting bracket stands on subaerial, be provided with the elevating platform on the mounting bracket with sliding, the sunken fifth spout that forms in top of elevating platform, drive assembly is used for with mounting panel propelling movement in the fifth spout, spacing hole has been seted up on the lateral wall of mounting panel, be provided with on the lateral wall of elevating platform with the chucking subassembly of spacing hole cooperation with the mounting panel chucking in the fifth spout, the top of mounting bracket is provided with actuating mechanism, the top of elevating platform is provided with coupling assembling, actuating mechanism is connected to coupling assembling, and actuating mechanism is used for driving the elevating platform and moves in vertical direction.

The technical principle of the utility model is that: when the concrete carrying system works, firstly, the mounting plate is inserted into the first sliding groove, then the cement bucket filled with concrete is placed in the accommodating grooves, after all the accommodating grooves are filled with the cement buckets, the cement buckets in the corresponding accommodating grooves are tightly pressed in the accommodating grooves by adjusting the pressing components, then the wheels at the bottom of the base are pushed to roll on the ground, thereby realizing the transportation of the cement buckets, after the cement buckets are transported to a specified position, the horizontal position height of the mounting platform is adjusted by the lifting components, so that the bottom of the mounting plate and the bottom of the fifth sliding groove are positioned on the same horizontal plane, then the mounting plate is pushed into the fifth sliding groove by the driving components, after the limiting holes on the mounting plate are aligned with the clamping components, the clamping components are matched with the limiting holes to clamp the mounting plate in the fifth sliding groove, then the driving mechanism is started to lift up through the two lifting platforms of the connecting components, and after the lifting platforms are transported to the specified height, the drive mechanism is closed, the lift table is held in this position, and the cement bucket can be removed from the storage tub.

Compared with the prior art, the utility model discloses following beneficial effect has: the mounting plate is arranged in the first sliding groove in a sliding manner, the plurality of accommodating grooves are formed in the top of the mounting plate, a plurality of cement buckets filled with concrete can be transported at one time, when the base is pushed, wheels at the bottom of the base slide on the ground, the burden of transporting the cement buckets by workers can be reduced, the labor is saved, the mounting plate is driven to slide in the first sliding groove by arranging the driving assembly in the mounting table, the vertical position of the mounting table is lifted through the lifting assembly after the cement buckets are transported to the specified position, the driving assembly is convenient to push the mounting plate into the fifth sliding groove, the unloading (namely, the cement buckets are transferred to the lifting device) is realized, the lifting table is lifted to the final specified position through the driving mechanism, meanwhile, the clamping assembly is arranged on the lifting table, the mounting plate can be prevented from sliding in the fifth sliding groove, and the pressing assembly is arranged on the mounting plate, so that the cement buckets, prevent that the concrete from spilling, this system when the cement bucket that the transportation was equipped with the concrete, can once only transport a plurality of cement buckets, also very laborsaving during the transportation simultaneously, need not the manual transport of workman, improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a conveying device according to an embodiment of the present invention.

Fig. 2 is a perspective view of the mounting plate.

Fig. 3 is a schematic structural diagram of the driving assembly.

Fig. 4 is a schematic structural view of the hold-down assembly.

Fig. 5 is a schematic view of an installation structure of the cement bucket.

Fig. 6 is a schematic structural diagram of a lifting device according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of the chucking assembly.

Fig. 8 is a schematic structural view of the limiting mechanism.

In the above drawings: 1. a base; 2. an installation table; 3. a first groove; 4. mounting a plate; 5. a wheel; 6. a receiving groove; 7. mounting grooves; 8. a rotating shaft; 9. a gear; 10. an inner tooth socket; 11. a second chute; 12. a compression block; 13. a sliding post; 14. a connecting rod; 15. mounting blocks; 16. a threaded hole; 17. a screw; 18. a hydraulic cylinder; 19. a push handle; 20. a cement bucket; 21. a mounting frame; 22. a lifting platform; 23. a fifth chute; 24. a limiting rod; 25. a limiting hole; 26. a cavity; 27. mounting a bar; 28. a second spring; 29. a bar-shaped column; 30. a second groove; 31. a bayonet lock; 32. a first spring; 33. a pull rod; 34. a second motor; 35. a base; 36. a first pull cord; 37. a second pull cord; 38. a pull ring; 39. and (3) a roller.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1-3 and fig. 6, an embodiment of the present invention provides a concrete handling system, including: a transport device, comprising: the device comprises a base 1 and a mounting plate 4, wherein wheels 5 are arranged at the bottom of the base 1, a mounting table 2 is arranged at the top of the base 1, a first groove 3 is formed by sinking the top of the base 1, a lifting assembly used for pushing the mounting table 2 to move in the vertical direction is arranged in the first groove 3, a first sliding groove is formed by sinking the top of the mounting table 2, the mounting plate 4 is arranged in the first sliding groove in a sliding manner, a driving assembly used for driving the mounting plate 4 to slide in the first sliding groove is arranged on the mounting table 2, a plurality of accommodating grooves 6 used for accommodating cement buckets 20 are formed by sinking the top of the mounting plate 4, and a pressing assembly used for pressing the cement buckets 20 in the corresponding accommodating grooves 6 is arranged in the mounting plate 4; and a lifting device, comprising: mounting bracket 21, mounting bracket 21 stands on subaerial, be provided with elevating platform 22 on mounting bracket 21 with sliding, the sunken fifth spout 23 that forms in top of elevating platform 22, drive assembly is used for with mounting panel 4 propelling movement to fifth spout 23 in, spacing hole 25 has been seted up on the lateral wall of mounting panel 4, be provided with on elevating platform 22's the lateral wall with spacing hole 25 cooperation with the chucking subassembly of mounting panel 4 chucking in fifth spout 23, mounting bracket 21's top is provided with actuating mechanism, elevating platform 22's top is provided with coupling assembling, actuating mechanism is connected to coupling assembling, and actuating mechanism is used for driving elevating platform 22 and moves in vertical direction. When the concrete carrying system works, firstly, the mounting plate 4 is inserted into the first sliding groove, then the cement bucket 20 filled with concrete is placed in the accommodating groove 6, after all the accommodating grooves 6 are placed with the cement buckets 20, the cement bucket 20 in the corresponding accommodating groove 6 is pressed in the accommodating groove 6 by adjusting the pressing component, then the wheels 5 at the bottom of the base 1 are pushed to roll on the ground, thereby realizing the transportation of the cement bucket 20, after the cement bucket is transported to a specified position, the horizontal position height of the mounting table 2 is adjusted by the lifting component, so that the bottom of the mounting plate 4 and the bottom of the fifth sliding groove 23 are positioned on the same horizontal plane, then the mounting plate 4 is pushed into the fifth sliding groove 23 by the driving component, after the limiting hole 25 on the mounting plate 4 is aligned with the clamping component, the clamping component is matched with the limiting hole 25 to clamp the mounting plate 4 in the fifth sliding groove 23, then the driving mechanism is started to lift the lifting table 22 through the connecting component, after the elevating platform 22 is transported to a designated height, the driving mechanism is closed, the elevating platform 22 is maintained at that position, and then the cement bucket 20 can be taken out from the storage tub 6.

The mounting plate 4 is arranged in the first sliding groove in a sliding manner, the plurality of accommodating grooves 6 are formed in the top of the mounting plate 4, a plurality of cement buckets 20 filled with concrete can be transported at one time, when the base 1 is pushed, wheels 5 at the bottom of the base 1 slide on the ground, the burden of workers on transporting the cement buckets 20 can be reduced, the labor is saved, the mounting plate 4 is driven to slide in the first sliding groove by arranging a driving component in the mounting table 2, the vertical position of the mounting table 2 is lifted by the lifting component after the cement buckets 20 are transported to the specified position, the mounting plate 4 is conveniently pushed into the fifth sliding groove 23 by the driving component, the unloading is realized (namely the cement buckets 20 are transferred to the lifting device), the lifting table 22 is lifted to the final specified position by the driving mechanism, meanwhile, the clamping component is arranged on the lifting table 22, the mounting plate 4 can be prevented from sliding in the fifth sliding groove 23, set up on mounting panel 4 and compress tightly the subassembly and can prevent that cement bucket 20 from accomodating the interior swing of groove 6, prevent that the concrete from spilling, this system is when the cement bucket 20 that the concrete was equipped with in the transportation, can once only transport a plurality of cement buckets 20, and is also very laborsaving during the transportation simultaneously, need not workman's manual transport, has improved work efficiency.

As shown in fig. 3, the driving assembly includes: gear 9 and first motor, the sunken mounting groove 7 that forms in bottom of first spout, first motor sets up in mounting groove 7, fixedly connected with pivot 8 on the output of first motor, gear 9 sets up the tip at pivot 8 fixedly, and first motor is used for drive gear 9 to rotate, one side that mounting panel 4 is close to mount table 2 is provided with a plurality of interior tooth's socket 10, gear 9 with stretch into in interior tooth's socket 10 with interior tooth's socket 10 meshing, gear 9 is used for promoting mounting panel 4 and slides to the fifth spout 23 in from first spout. The working principle of the driving assembly is as follows: first motor drive pivot 8 in mounting groove 7 rotates, thereby realize that drive gear 9 rotates, because the tooth on the gear 9 stretches into in interior tooth's socket 10 with interior tooth's socket 10 meshing, when gear 9 rotates, gear 9 is promoting mounting panel 4 and is sliding in first spout, when in with mounting panel 4 propelling movement to fifth spout 23 in from first spout, gear 9 rotates, gear 9 is promoting mounting panel 4 and is moving towards fifth spout 23 that is located same horizontal plane with mounting panel 4, finally realize with mounting panel 4 propelling movement to elevating platform 22 on.

As shown in fig. 2, 4 and 5, the compressing assembly includes a compressing block 12, a sliding column 13, a screw 17 and a connecting rod 14, a side wall of each accommodating groove 6 is recessed to form a second sliding groove 11, the compressing block 12 is slidably disposed in the second sliding groove 11, one side of the mounting plate 4 is recessed to form a horizontal third sliding groove, the sliding column 13 is slidably disposed in the third sliding groove, a side wall of the third sliding groove is provided with a fourth sliding groove corresponding to the accommodating groove 6, each second sliding groove 11 is communicated with the third sliding groove through the fourth sliding groove, each fourth sliding groove is slidably disposed with the connecting rod 14, one end of each connecting rod 14 is fixed on the side wall of the sliding column 13, the other end of each connecting rod 14 is fixed on the side wall of the corresponding compressing block 12, when the sliding column 13 moves away from the mounting plate 4, the connecting rod 14 pushes the compressing block 12 to compress the cement barrel 20 in the accommodating groove 6, the sliding column 13 is provided with an installation block 15 on the end portion deviating from the installation plate 4, a threaded hole 16 is formed in the installation block 15, the screw 17 penetrates through the threaded hole 16 to be tightly attached to the installation plate 4, and the screw 17 is in threaded connection with the threaded hole 16. The working principle of the pressing assembly is as follows: after cement bucket 20 was placed in accomodating groove 6, pulling sliding column 13 is moving to the direction that deviates from mounting panel 4 in the third spout, sliding column 13 is driving connecting rod 14 and is sliding in the fourth spout, connecting rod 14 is promoting the compact heap 12 in the corresponding second spout 11 and is moving to the direction that is close to cement bucket 20 in second spout 11, when compact heap 12 compresses tightly cement bucket 20 on accomodating groove 6 inner wall, it makes screw 17 hug closely with mounting panel 4 to turn into screw hole 16 with screw 17, screw 17 blocks sliding column 13 and moves towards the direction that is close to mounting panel 4 this moment, thereby realize the fixed to sliding column 13.

As shown in fig. 3, the lifting device is a hydraulic cylinder 18, the hydraulic cylinder 18 is arranged at the bottom of the first groove 3, the output end of the hydraulic cylinder 18 is fixed at the bottom of the mounting table 2, and the hydraulic cylinder 18 is used for pushing the mounting table 2 to move in the vertical direction. A push handle 19 for pushing the base 1 is arranged on the side wall of the base 1.

As shown in fig. 7, the chucking assembly includes: the utility model provides a spacing rod 24 and stop gear, seted up cavity 26 in the elevating platform 22, the spacing rod 24 is from the elevating platform 22 outer level pass cavity 26 and insert in the fifth spout 23, the spacing rod 24 is located the lateral wall of the body of rod in cavity 26 and is provided with mounting bar 27 fixedly, be provided with second spring 28 between the lateral wall that mounting bar 27 and cavity 26 deviate from fifth spout 23, insert in fifth spout 23 spacing rod 24 under the elasticity of second spring 28, stop gear sets up on the lateral wall of elevating platform 22, stop gear is used for blockking the spacing rod 24 to the direction motion that is close to or deviates from fifth spout 23. The working principle of the clamping assembly is as follows: when the mounting plate 4 is pushed to move towards the fifth sliding groove 23, the limiting rod 24 is firstly pulled out of the fifth sliding groove 23, the limiting rod 24 is released after the limiting rod 24 is tightly attached to the mounting plate 4, after the limiting rod 24 is aligned with the limiting hole 25 on the mounting plate 4, the limiting rod 24 is inserted into the limiting hole 25 under the elastic force of the second spring 28, then the limiting mechanism is controlled to clamp the limiting rod 24, the limiting rod 24 stops the mounting plate 4 to slide in the fifth sliding groove 23 at the moment, the first motor is turned off, and the driving mechanism is started.

As shown in fig. 8, the limiting mechanism includes: bayonet lock 31 and pull rod 33, be provided with bar post 29 on the lateral wall of elevating platform 22 horizontally, bar post 29 is close to the sunken second recess 30 that forms of lateral wall of gag lever post 24, bayonet lock 31 sets up in second recess 30 with sliding, bayonet lock 31 and second recess 30 deviate from between the lateral wall of gag lever post 24 and be provided with first spring 32, pull rod 33 from the outer horizontally of bar post 29 insert in second recess 30 and with the tip fixed connection of bayonet lock 31, pull rod 33 and bar post 29 sliding connection, be provided with on the lateral wall of gag lever post 24 near second recess 30 and supply bayonet lock 31 male card hole, after gag lever post 24 inserted fifth spout 23, bayonet lock 31 inserts under the elasticity of first spring 32 in the card hole. The working principle of the limiting mechanism is as follows: when the limiting rod 24 needs to be pulled, the pull rod 33 is pulled first to pull the bayonet 31 out of the bayonet hole on the limiting rod 24, and after the limiting rod 24 is inserted into the limiting hole 25, the bayonet 31 is inserted into the bayonet hole under the elastic force of the first spring 32.

As shown in fig. 6, the drive mechanism includes: the second motor 34, the top of mounting bracket 21 is provided with base 35, second motor 34 sets up the top at base 35, and second motor 34 should select for use can the dead motor of auto-lock to prevent that second motor 34 from when the stop work, the output of second motor 34 from rotating under the circumstances that receives external force, be provided with the winding axle on the output of second motor 34 fixedly, the epaxial convolution of winding has first stay cord 36, be provided with four second stay cords 37 on the tip of first stay cord 36, second motor 34 is used for driving the winding axle convolution or releases first stay cord 36. The working principle of the driving mechanism is as follows: when the lifting platform 22 needs to be lifted, the second motor 34 is started, the output end of the second motor 34 drives the rope winding shaft to wind the first pulling rope 36, and the first pulling rope 36 lifts the lifting platform 22 through four second pulling ropes 37.

As shown in fig. 6, the connecting assembly is four pull rings 38, the four pull rings 38 are symmetrically disposed on the top of the lifting platform 22, the four second pull ropes 37 are respectively and fixedly connected to the four pull rings 38, and the first pull rope 36 is used for pulling the lifting platform 22 to move in the vertical direction.

As shown in fig. 6, the bottom of the fifth chute 23 is rotatably provided with a plurality of rollers 39. When the mounting plate 4 slides from the first chute to the fifth chute 23, the mounting plate 4 is supported on the roller 39, and the roller 39 can rotate in the fifth chute 23, so that the friction between the mounting plate 4 and the bottom of the fifth chute 23 is reduced.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A concrete handling system, comprising:

a transport device, comprising: the device comprises a base (1) and a mounting plate (4), wherein wheels (5) are arranged at the bottom of the base (1), a mounting table (2) is arranged at the top of the base (1), a first groove (3) is formed by sinking the top of the base (1), a lifting assembly used for pushing the mounting table (2) to move in the vertical direction is arranged in the first groove (3), a first sliding groove is formed by sinking the top of the mounting table (2), the mounting plate (4) is arranged in the first sliding groove in a sliding manner, a driving assembly used for driving the mounting plate (4) to slide in the first sliding groove is arranged on the mounting table (2), a plurality of accommodating grooves (6) used for accommodating cement buckets (20) are formed by sinking the top of the mounting plate (4), and a pressing assembly used for pressing the cement buckets (20) in the corresponding accommodating grooves (6) is arranged in the mounting plate (4); and

elevating gear, it includes: mounting bracket (21), mounting bracket (21) stand on subaerial, be provided with elevating platform (22) on mounting bracket (21) with sliding, the sunken fifth spout (23) that forms in top of elevating platform (22), drive assembly is used for with mounting panel (4) propelling movement in fifth spout (23), spacing hole (25) have been seted up on the lateral wall of mounting panel (4), be provided with on the lateral wall of elevating platform (22) with spacing hole (25) cooperation with the chucking subassembly of mounting panel (4) chucking in fifth spout (23), the top of mounting bracket (21) is provided with actuating mechanism, the top of elevating platform (22) is provided with coupling assembling, actuating mechanism is connected to coupling assembling, and actuating mechanism is used for driving elevating platform (22) and moves in vertical direction.

2. The concrete handling system of claim 1, wherein the drive assembly comprises: gear (9) and first motor, the sunken mounting groove (7) that forms in bottom of first spout, first motor sets up in mounting groove (7), fixedly connected with pivot (8) on the output of first motor, gear (9) set up the tip in pivot (8) fixedly, and first motor is used for drive gear (9) to rotate, one side that mounting panel (4) are close to mount table (2) is provided with a plurality of interior tooth's socket (10), gear (9) with stretch into in interior tooth's socket (10) with interior tooth's socket (10) meshing, gear (9) are used for promoting mounting panel (4) and slide to in fifth spout (23) from first spout.

3. A concrete handling system according to claim 2, wherein the compacting assembly comprises a compacting block (12), a sliding column (13), a screw (17) and connecting rods (14), the side wall of each accommodating groove (6) is recessed to form a second sliding groove (11), the compacting block (12) is slidably arranged in the second sliding groove (11), one side of the mounting plate (4) is recessed to form a horizontal third sliding groove, the sliding column (13) is slidably arranged in the third sliding groove, the side wall of the third sliding groove is provided with a fourth sliding groove corresponding to the accommodating groove (6), each second sliding groove (11) is communicated with the third sliding groove through the fourth sliding groove, each fourth sliding groove is provided with the connecting rod (14) in a sliding manner, one end of each connecting rod (14) is fixed on the side wall of the sliding column (13), and the other end of each connecting rod (14) is fixed on the side wall of the corresponding compacting block (12), work as connecting rod (14) promote compact heap (12) and compress tightly cement bucket (20) in accomodating groove (6) when sliding column (13) move towards deviating from mounting panel (4), sliding column (13) are provided with installation piece (15) on deviating from the tip of mounting panel (4), be provided with screw hole (16) on installation piece (15), screw rod (17) pass screw hole (16) and hug closely with mounting panel (4), screw rod (17) and screw hole (16) threaded connection.

4. A concrete handling system according to claim 3, wherein said lifting assembly is a hydraulic cylinder (18), the hydraulic cylinder (18) being arranged at the bottom of the first recess (3), the output end of the hydraulic cylinder (18) being fixed at the bottom of the mounting table (2), the hydraulic cylinder (18) being adapted to push the mounting table (2) in a vertical direction.

5. A concrete handling system according to claim 4, wherein the side walls of the base (1) are provided with push handles (19) for pushing the base (1).

6. A concrete handling system as claimed in any one of claims 1 to 5, wherein said clamping assembly includes: gag lever post (24) and stop gear, set up cavity (26) in elevating platform (22), gag lever post (24) from elevating platform (22) outer horizontally pass cavity (26) and insert in fifth spout (23), gag lever post (24) are located the lateral wall of the body of rod in cavity (26) and are provided with mounting bar (27) fixedly, be provided with second spring (28) between the lateral wall that mounting bar (27) and cavity (26) deviate from fifth spout (23), in gag lever post (24) inserted fifth spout (23) under the elasticity of second spring (28), stop gear sets up on the lateral wall of elevating platform (22), stop gear is used for blockking gag lever post (24) and moves towards the direction that is close to or deviates from fifth spout (23).

7. The concrete handling system of claim 6, wherein the limiting mechanism comprises: a bayonet lock (31) and a pull rod (33), a strip-shaped column (29) is horizontally arranged on the side wall of the lifting platform (22), the side wall of the strip-shaped column (29) close to the limiting rod (24) is sunken to form a second groove (30), the bayonet lock (31) is arranged in the second groove (30) in a sliding way, a first spring (32) is arranged between the bayonet lock (31) and the side wall of the second groove (30) departing from the limiting rod (24), the pull rod (33) is horizontally inserted into the second groove (30) from the outside of the strip-shaped column (29) and is fixedly connected with the end part of the clamping pin (31), the pull rod (33) is connected with the strip-shaped column (29) in a sliding way, a clamping hole for inserting the clamping pin (31) is arranged on the side wall of the limiting rod (24) close to the second groove (30), after the limiting rod (24) is inserted into the fifth sliding groove (23), the clamping pin (31) is inserted into the clamping hole under the elastic force of the first spring (32).

8. A concrete handling system according to claim 7 wherein said drive mechanism comprises: the rope winding device comprises a second motor (34), a base (35) is arranged at the top of the mounting frame (21), the second motor (34) is arranged at the top of the base (35), a rope winding shaft is fixedly arranged at the output end of the second motor (34), a first pull rope (36) is convoluted on the rope winding shaft, four second pull ropes (37) are arranged at the end part of the first pull rope (36), and the second motor (34) is used for driving the rope winding shaft to convolute or release the first pull rope (36).

9. A concrete handling system according to claim 8 wherein the attachment assembly is four pull rings (38), the four pull rings (38) being symmetrically disposed on top of the platform (22), the four second pull cords (37) being fixedly attached to the four pull rings (38), respectively, and the first pull cord (36) being adapted to pull the platform (22) in a vertical direction.

10. A concrete handling system according to claim 9, wherein the bottom of said fifth chute (23) is rotatably provided with rollers (39).