CN218429047U

CN218429047U - Concrete feeding device

Info

Publication number: CN218429047U
Application number: CN202221878105.3U
Authority: CN
Inventors: 吕炳豪; 汪继承; 夏建波
Original assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Current assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-02-03
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a concrete feeding device, it includes the truss, set up in transport guide rail on the truss and lower hopper and slidable mounting in last feeding funnel of transport guide rail, be provided with a plurality of vibrating motor that is close to the discharge end and arranges down on the hopper, be provided with agitator motor on the feeding funnel and be close to the stirring subassembly that the discharge gate was arranged, the stirring subassembly including set up in agitator motor output shaft and have helical mixing blade's interior (mixing) shaft, a plurality of centers on interior (mixing) shaft circumference is arranged and is had helical mixing blade's outer (mixing) shaft and set up in connecting rod between interior (mixing) shaft and the outer (mixing) shaft. The utility model discloses a set up rotatable stirring subassembly in the feeding funnel and promote the stirring to set up vibrating motor on the hopper under and vibrate the compounding, thereby make the concrete quality of pouring in section of jurisdiction mould tend to unanimity, with assurance section of jurisdiction intensity.

Description

Concrete feeding device

Technical Field

The utility model belongs to the technical field of the technique of section of jurisdiction manufacturing and specifically relates to a concrete feeding device is related to.

Background

The shield segment is a main assembly component for shield construction, is an innermost barrier of a tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. In the segment prefabrication process, concrete pouring is an important link of segment prefabrication production, the concrete hopper is fully and uniformly mixed before pouring, and a proper and reliable hopper plays an important role in normal production.

Chinese patent with publication number CN215395946U discloses an automatic concrete pouring and vibrating system, including section of jurisdiction mould, basic production line, tuber pipe plug system, feed system, PLC central processing unit and electrical control cabinet, feed system is including defeated material guide rail, feeding funnel and lower hopper, defeated material guide rail sets up in the section of jurisdiction mould top that is in the position of vibrating, and its one end of keeping away from section of jurisdiction mould extends to the mixing plant in, slidable mounting has the feeding funnel on it, the lower hopper is installed to the position of section of jurisdiction mould just below the feeding funnel, the lower hopper passes through weighing sensor and the fixed linking to each other of truss stand of defeated material guide rail, just weighing sensor links to each other with PLC central processing unit's information acquisition module.

The above prior art solutions have the following drawbacks: above-mentioned feeding funnel passes through intelligent control's mode with lower hopper, realizes that the concrete is interrupted between mixing plant and the position of vibrating and shifts, because the concrete is comparatively thick and solidify easily, because above-mentioned hopper is difficult for promoting the transport compounding to the concrete of its bottom again, consequently before mixing and use, the concrete in the hopper is difficult to remain the flow state all the time, and this just leads to hopper bottom to produce the sediment easily, and then influences the follow-up casting shaping's of section of jurisdiction intensity, remains to improve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is not enough to the above-mentioned that exists among the prior art and provide a concrete feeding device, it promotes the stirring through the control feeding fill to the concrete, down the hopper vibrate the compounding to the concrete, has reached the purpose of avoiding upper and lower hopper bottom to produce the sediment, has the effect that improves the section of jurisdiction shallowly.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a concrete feeding device, including the truss, set up in conveying guide rail on the truss and lower hopper and slidable mounting in feeding funnel on the conveying guide rail, be provided with a plurality of vibrating motor that is close to the discharge end and arranges down on the hopper, be provided with agitator motor on the feeding funnel and be close to the stirring subassembly that the discharge gate was arranged, the stirring subassembly including set up in agitator motor output shaft and have helical mixing blade's interior (mixing) shaft, a plurality of centers on interior (mixing) shaft circumference is arranged and is had helical mixing blade's outer (mixing) shaft and set up in connecting rod between interior (mixing) shaft and the outer (mixing) shaft.

By adopting the technical scheme, because in the process of transferring the concrete, the time of the concrete existing in the feeding hopper is far longer than the time of the concrete existing in the discharging hopper, the rotatable stirring component is arranged in the feeding hopper to promote the stirring, so that the solidification and the precipitation of the concrete can be avoided, the concrete keeps a flowing state, the vibrating motor is arranged on the discharging hopper to vibrate and mix the materials, the transferred concrete is further promoted to be mixed uniformly, the quality of the concrete poured in the duct piece mould tends to be consistent, and the strength of the duct piece is ensured; wherein, set up the structure of encircleing the arrangement with the interior (mixing) shaft of stirring subassembly and outer (mixing) shaft, interior (mixing) shaft can make the concrete rotation of bottom promote, and outer (mixing) shaft can break the inertia vortex that interior (mixing) shaft formed, makes the abundant flow collision between each component of concrete to obtain better compounding effect, avoid deposiing the production.

The utility model discloses further set up to: the vibrating motors are at least two and are uniformly distributed along the circumferential direction of the discharging hopper.

By adopting the technical scheme, the vibration mixing can be more uniform.

The utility model discloses further set up to: the spiral direction of interior (mixing) shaft and outer (mixing) shaft is opposite, and the spiral radius of these outer (mixing) shafts does not exceed the spiral radius of interior (mixing) shaft, and the pitch of these outer (mixing) shafts increases along direction of rotation in proper order.

Through adopting above-mentioned technical scheme, when guaranteeing the stirring and promoting the effect, the concrete flow can be accelerated to the interior (mixing) shaft and the outer (mixing) shaft that spiral opposite direction is opposite, and these outer (mixing) shafts that the pitch increases along direction of rotation in proper order can realize stirring in proper order to the concrete from great scope to less scope to make misce bene between each component of concrete, improve the pouring effect of concrete.

The utility model discloses further set up to: the lower hopper is hinged with two pairs of first sector plates which are respectively arranged on two sides of the lower hopper, a first arc-shaped cover plate is arranged between the two first sector plates on the opposite sides, the side walls of the first arc-shaped cover plates are mutually abutted, a first air cylinder is hinged to one first sector plate in each pair, a piston rod of each first air cylinder is hinged to the other first sector plate, and the telescopic direction of the piston rod of each first air cylinder is perpendicular to the rotating axis of the first sector plate.

Through adopting above-mentioned technical scheme, at the flexible in-process of first cylinder piston rod, utilize its self gravity, first cylinder can keep at approximate horizontally state to order about this to first arc apron and be close to each other or keep away from, accomplish the operation of opening and close of the unloading end of hopper down.

The utility model discloses further set up to: the bottom surface of hopper sets up to the arcwall face down, first arc apron comprises a plurality of first magnetism pipes of arranging side by side along the arcwall face, and it is fixed to contradict each other between the outer wall of two adjacent first magnetism pipes.

Through adopting above-mentioned technical scheme, utilize the first magnetism pipe magnetic adsorption power of two first arc apron to assist the precompression that first cylinder piston rod shrink produced, enable this to keep good butt to first arc apron, under the stirring operation of stirring subassembly, can play better sealed effect.

The utility model discloses further set up to: the feeding hopper is hinged with two pairs of second sector plates which are respectively arranged on two sides of the discharging hopper, a second arc-shaped cover plate is arranged between the two second sector plates on the opposite side, the side walls of the pair of second arc-shaped cover plates are mutually abutted, a second air cylinder is hinged on one second sector plate of each pair, a piston rod of each second air cylinder is hinged on the other second sector plate, and the telescopic direction of the piston rod of each second air cylinder is perpendicular to the rotating axis of the second sector plate.

Through adopting above-mentioned technical scheme, at the flexible in-process of second cylinder piston rod, utilize its self gravity, the second cylinder can keep at approximate horizontally state to order about this to be close to each other or keep away from to the second arc apron, accomplish the operation of opening and close of the unloading end of feeding funnel.

The utility model discloses further set up to: the bottom surface of the feeding hopper is set to be an arc-shaped surface, the second arc-shaped cover plate is composed of a plurality of second magnetic pipes arranged in parallel along the arc-shaped surface, and the outer walls of the two adjacent second magnetic pipes are mutually abutted and fixed.

By adopting the technical scheme, the second magnetic pipe magnetic adsorption force of the two second arc-shaped cover plates is utilized, and the prepressing force generated by the contraction of the piston rod of the second cylinder is assisted, so that the second arc-shaped cover plates can be kept in good butt joint, and a better sealing effect can be achieved under the vibration operation of the vibration motor.

To sum up, the utility model discloses a beneficial technological effect does: promote the stirring through setting up rotatable stirring subassembly in the feeding funnel, can avoid the concrete to solidify and deposit to make the concrete keep the flow state, and set up vibrating motor on the hopper down and vibrate the compounding, further make the concrete compounding that is shifted even, thereby make the concrete quality of pouring in section of jurisdiction mould tend to unanimity, with assurance section of jurisdiction intensity.

Drawings

Fig. 1 is a schematic structural diagram of the concrete feeding device of the present invention.

Fig. 2 is a schematic structural diagram of the blanking unit of the present invention.

Fig. 3 is a schematic structural view of the feeding unit of the present invention.

In the figure, 1, a truss; 2. a conveying guide rail; 3. a blanking unit; 31. a feeding hopper; 32. a vibration motor; 33. a first door assembly; 331. a first sector plate; 332. a first arc-shaped cover plate; 3321. a first magnetic tube; 333. a first cylinder; 4. a feeding unit; 41. feeding a hopper; 42. a stirring motor; 43. a stirring assembly; 431. an inner stirring shaft; 432. an outer stirring shaft; 433. a connecting rod; 44. a second door assembly; 441. a second sector plate; 442. a second arc-shaped cover plate; 4421. the second magnetic tube is magnetic; 443. a second cylinder.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and effect of the utility model are clearer and easier to understand, the utility model is further explained by combining the drawings and the detailed description.

Referring to fig. 1, for the utility model discloses a concrete feeding device, including truss 1, set up conveying guide rail 2 and unloading unit 3 on truss 1 and slidable mounting in conveying guide rail 2 material loading unit 4. Wherein, the feeding unit 4 can keep stirring and lifting the concrete and realize the transfer between the stirring station and the blanking unit 3, and the blanking unit 3 promotes the concrete output by the feeding unit 4 to be further mixed and transferred to the vibrating position by a vibration mode.

Referring to fig. 2, specifically, the feeding unit 3 is disposed on the lower hopper 31 of the truss 1, two vibrating motors 32 disposed on the lower hopper 31 and uniformly distributed along the circumference of the lower hopper 31, and a first door assembly 33 selectively covering the feeding end of the lower hopper 31. Wherein the first door assembly 33 includes two pairs of first sector plates 331 hinged to the lower hopper 31 and respectively disposed at both sides of the lower hopper 31, a first arc-shaped cover plate 332 disposed between the two first sector plates 331 at opposite sides, and a first cylinder 333 hinged to one of the first sector plates 331 of each pair. The side walls of the pair of first arc-shaped cover plates 332 are mutually abutted, the piston rod of the first cylinder 333 is hinged on the other first sector-shaped plate 331, and the telescopic direction of the piston rod of the first cylinder 333 is perpendicular to the rotating axis of the first sector-shaped plate 331. In addition, the bottom surface of the discharging hopper 31 is an arc surface, the first arc cover plate 332 is composed of a plurality of first magnetic tubes 3321 arranged in parallel along the arc surface, and the outer walls of two adjacent first magnetic tubes 3321 are mutually abutted and fixed. By utilizing the magnetic attraction force of the first magnetic pipes 3321 of the two first arc-shaped cover plates 332 and the pre-pressure generated by the contraction of the piston rod of the first cylinder 333, the pair of first arc-shaped cover plates 332 can be kept in good contact with each other, and a good sealing effect can be achieved under the stirring operation of the stirring assembly 43.

Referring to fig. 3, the feeding unit 4 includes a feeding hopper 41 slidably mounted on the conveying guide 2, a stirring motor 42 provided on the feeding hopper 41, a stirring assembly 43 disposed adjacent to a discharge port of the feeding hopper 41, and a second door assembly 44 selectively covering a discharging end of the feeding hopper 41. Wherein the second gate assembly 44 includes two pairs of second sector plates 441 hinged to the upper hopper 41 and respectively disposed at both sides of the upper hopper 41, a second arc-shaped cover plate 442 disposed between the two second sector plates 441 at opposite sides, and a second cylinder 443 hinged to one of the second sector plates 441 of each pair. The side walls of the pair of second arc-shaped cover plates 442 are abutted against each other, the piston rod of the second cylinder 443 is hinged to the other second sector-shaped plate 441, and the extension and retraction direction of the piston rod of the second cylinder 443 is perpendicular to the rotation axis of the second sector-shaped plate 441. In addition, the bottom surface of the feeding hopper 41 is an arc surface, the second arc cover plate 442 is composed of a plurality of second magnetic pipes arranged in parallel along the arc surface, and the outer walls of two adjacent second magnetic pipes are mutually abutted and fixed. By utilizing the magnetic force 4421 of the second magnetic tubes of the two second arc-shaped cover plates 442 and the pre-pressure generated by the contraction of the piston rod of the second cylinder 443, the pair of second arc-shaped cover plates 442 can be kept in good abutting connection, and a good sealing effect can be achieved under the vibration operation of the vibration motor 32.

In addition, the agitating assembly 43 includes an inner agitating shaft 431 provided to an output shaft of the agitating motor 42 and having a helical agitating blade, a plurality of outer agitating shafts 432 arranged circumferentially around the inner agitating shaft 431 and having a helical agitating blade, and a connecting rod 433 provided between the inner and outer agitating

shafts

431 and 432. The spiral directions of the inner stirring shaft 431 and the outer stirring shaft 432 are opposite, the spiral radius of the outer stirring shafts 432 does not exceed that of the inner stirring shaft 431, and the pitches of the outer stirring shafts 432 are sequentially increased along the rotation direction. When guaranteeing the stirring and promoting effect, the concrete flow can be accelerated to the inside (mixing) shaft 431 and the outside (mixing) shaft 432 that spiral opposite direction is opposite, and these outside (mixing) shaft 432 that the pitch increases along the direction of rotation in proper order can realize stirring in proper order to the concrete from great scope to less scope to make misce bene between each component of concrete, improve the pouring effect of concrete.

The implementation principle of the embodiment is as follows: because the in-process that shifts at the concrete, its time that exists in last hopper 41 is far more than the time that exists in hopper 31 down, consequently, set up rotatable stirring subassembly 43 through last hopper 41 and promote the stirring, can avoid the concrete to solidify and deposit, so that the concrete keeps the flow state, and set up vibrating motor 32 and carry out the vibration compounding on hopper 31 down, further make the concrete compounding that is shifted even, thereby make the concrete quality of pouring in the section of jurisdiction mould tend to unanimously, in order to guarantee section of jurisdiction intensity. The inner stirring shaft 431 and the outer stirring shaft 432 of the stirring assembly 43 are arranged in a surrounding mode, the inner stirring shaft 431 can enable concrete at the bottom to be lifted in a rotating mode, the outer stirring shaft 432 can break inertial vortex formed by the inner stirring shaft 431, and all components of the concrete are enabled to flow and collide sufficiently, so that a good mixing effect is obtained, and precipitation is avoided.

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. The utility model provides a concrete feeding device, includes truss (1), set up in transport guide rail (2) and lower hopper (31) on truss (1) and slidable mounting in go up hopper (41) on the transport guide rail (2), its characterized in that: be provided with vibrating motor (32) that a plurality of was close to the discharge end and arranges on lower hopper (31), be provided with agitator motor (42) on feeding hopper (41) and be close to stirring subassembly (43) that the discharge gate was arranged, stirring subassembly (43) including set up in inner (mixing) shaft (431) that agitator motor (42) output shaft and have spiral stirring vane, a plurality of centers on inner (mixing) shaft (431) circumference is arranged and is had spiral stirring vane outer (mixing) shaft (432) and set up in connecting rod (433) between inner (mixing) shaft (431) and outer (mixing) shaft (432).

2. A concrete feeding device according to claim 1, characterized in that: the vibrating motors (32) are arranged in at least two numbers and are uniformly distributed along the circumferential direction of the discharging hopper (31).

3. A concrete feeding device according to claim 1, characterized in that: the spiral directions of the inner stirring shaft (431) and the outer stirring shaft (432) are opposite, the spiral radius of the outer stirring shafts (432) does not exceed the spiral radius of the inner stirring shaft (431), and the screw pitches of the outer stirring shafts (432) are sequentially increased along the rotation direction.

4. A concrete feeding device according to claim 1, characterized in that: the lower hopper (31) is hinged with two pairs of first sector plates (331) which are respectively arranged on two sides of the lower hopper (31), a first arc-shaped cover plate (332) is arranged between the two first sector plates (331) on the opposite sides, the side walls of the pair of first arc-shaped cover plates (332) are mutually abutted, one first sector plate (331) of each pair is hinged with a first air cylinder (333), a piston rod of the first air cylinder (333) is hinged on the other first sector plate (331), and the telescopic direction of the piston rod of the first air cylinder (333) is perpendicular to the rotating axis of the first sector plate (331).

5. A concrete feeding device according to claim 4, characterized in that: the bottom surface of the lower hopper (31) is an arc-shaped surface, the first arc-shaped cover plate (332) is composed of a plurality of first magnetic pipes (3321) which are arranged in parallel along the arc-shaped surface, and the outer walls of every two adjacent first magnetic pipes (3321) are mutually butted and fixed.

6. A concrete feeding device according to claim 1, characterized in that: two pairs of second sector plates (441) are hinged to the upper hopper (41) and are respectively arranged on two sides of the lower hopper (31), a second arc-shaped cover plate (442) is arranged between the two second sector plates (441) on the opposite sides, the side walls of the pair of second arc-shaped cover plates (442) are mutually abutted, a second air cylinder (443) is hinged to one second sector plate (441) of each pair, a piston rod of the second air cylinder (443) is hinged to the other second sector plate (441), and the telescopic direction of the piston rod of the second air cylinder (443) is perpendicular to the rotating axis of the second sector plate (441).

7. A concrete feeding device according to claim 6, characterized in that: the bottom surface of the feeding hopper (41) is an arc-shaped surface, the second arc-shaped cover plate (442) is composed of a plurality of second magnetic pipes which are arranged in parallel along the arc-shaped surface, and the outer walls of the two adjacent second magnetic pipes are mutually abutted and fixed.