CN211074110U

CN211074110U - Concrete centrifuge

Info

Publication number: CN211074110U
Application number: CN201921835619.9U
Authority: CN
Inventors: 施展; 周素承; 任治国; 彭旋
Original assignee: Zhuzhou Zhongtie Electrical Material Co ltd
Current assignee: Zhuzhou Zhongtie Electrical Material Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-24
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a concrete centrifuge, which comprises a frame, wherein the bottom of the frame is provided with a base, and the bottom of a fixing pool is provided with a fixing bolt; a forming table is arranged at the upper part of the rack; the concrete centrifuge has the advantages that by the aid of the structures of the frame, the fixing pool, the base, the forming table, the power device, the die, the gear seat, the gear sleeve, the lifting lug, the cover plate, the gland, the bearing, the hydraulic device and the feed hopper, the problems that the die occupies a large space, is inconvenient to distribute materials and cannot meet machining requirements of shorter components are solved, a traditional transverse friction transmission mode is replaced, the equipment structure is greatly simplified, and transmission efficiency is improved; meanwhile, the material is injected while the mold rotates, so that the material injection efficiency is greatly improved; through the vertical centrifugal mode, the raw materials are simultaneously subjected to the centrifugal force and the gravity action in the die, and the forming quality is greatly improved.

Description

Concrete centrifuge

Technical Field

The utility model relates to a concrete centrifuge field specifically is concrete centrifuge.

Background

The concrete centrifuge drives the driving shaft to rotate through the motor, so that the centrifuge driving wheel rotates, the driving wheel drives the mould to rotate through the friction force generated by the contact with the mould running wheel, the concrete is uniformly distributed along the inner wall of the mould under the action of the self centrifugal force in the process of autorotation of the mould along the central line of the mould, and is gradually compacted in the continuous centrifugation process of the mould, and the concrete and the keel are effectively combined to form a preliminary concrete electric pole through centrifugal molding in stages of low speed, medium and low speed, medium and high speed, high speed and the like.

The existing concrete centrifuge usually adopts transverse material distribution and transverse rotation transmission when centrifugally processing concrete members, and although the requirement of longer members can be met, the existing concrete centrifuge has many defects when processing shorter members; firstly, the transverse processing not only occupies large space, but also is inconvenient for material injection; in addition, a friction transmission mode is adopted during transverse rotation, so that the structure of the equipment is complex, a plurality of fixing procedures are added, the rotation efficiency is low, and the energy consumption is high; these problems have created a need for a new concrete centrifuge.

Disclosure of Invention

An object of the utility model is to provide a concrete centrifuge to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the concrete centrifuge comprises a rack, wherein a base is arranged at the bottom of the rack, and a fixing bolt is arranged at the bottom of a fixing pool; the base is fixed in the fixed pool through a fixed bolt; the upper part of the rack is provided with a forming table which is fixed on the rack through bolts and nuts; a power device is arranged below the forming table and comprises a motor, a speed changer and a gear seat, the speed changer is arranged on the front side of the motor, the motor and the speed changer are fixed on the frame through bolts and nuts, a rotating shaft of the motor is fixedly connected with an input rotating shaft of the speed changer through a coupling, and the speed changer is provided with a plurality of output rotating shafts; the output rotating shafts are respectively provided with a gear seat, and the gear seats are fixedly connected with the output rotating shafts through thread matching; a vertically arranged die is arranged above the speed changer, and lifting lugs are arranged on two sides of the die; the bottom of the mould is provided with a gear sleeve matched with the gear seat, and the mould is in meshed connection with the gear sleeve through the gear seat; a cover plate is arranged above the forming table; a hydraulic device is arranged below two sides of the cover plate, the bottom of the hydraulic device is fixed on the rack through bolts and nuts, a hydraulic rod is arranged at the upper part of the hydraulic device, and the hydraulic rod is fixedly connected with the cover plate through bolts and nuts; a feed port is formed in the upper surface of the die, a matched feed port is formed in the position, opposite to the feed port, of the cover plate, a gland is arranged at the feed port, and the gland is fixed on the cover plate through bolts and nuts; a bearing is arranged on the inner side of the gland and welded on the gland; and feed hoppers are respectively arranged above the material passing openings of the cover plate.

As a further aspect of the present invention: the fixed pool is of a concrete structure; the forming table is made of stainless steel; the gear seat is made of stainless steel.

As a further aspect of the present invention: the mould is cylindrical; the cover plate is made of stainless steel, sliding grooves are formed in two sides of the cover plate, sliding rails matched with the sliding grooves are arranged on the rack, and the cover plate is connected with the rack through the matching of the sliding rails and the sliding grooves.

As a further aspect of the present invention: the gland is made of stainless steel; the inner diameter of the bearing is equal to the outer diameter of the die.

As a further aspect of the present invention: the feeder hopper is stainless steel, and the feeder hopper passes through bolt and nut to be fixed on the apron.

Compared with the prior art, the beneficial effects of the utility model are that: the concrete centrifuge has the advantages that by the aid of the structures of the frame, the fixing pool, the base, the forming table, the power device, the die, the gear seat, the gear sleeve, the lifting lug, the cover plate, the gland, the bearing, the hydraulic device and the feed hopper, the problems that the die occupies a large space, is inconvenient to distribute materials and cannot meet machining requirements of shorter components are solved, a traditional transverse friction transmission mode is replaced, the equipment structure is greatly simplified, and transmission efficiency is improved; meanwhile, the material is injected while the mold rotates, so that the material injection efficiency is greatly improved; through the vertical centrifugal mode, the raw materials are simultaneously subjected to the centrifugal force and the gravity action in the die, and the forming quality is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a concrete centrifuge.

Fig. 2 is a schematic sectional structural view of the concrete centrifuge.

Fig. 3 is a schematic top view of a power plant in the concrete centrifuge.

Fig. 4 is a schematic view of a connection structure of molds in the concrete centrifuge.

In the figure: the device comprises a frame 1, a fixed pool 2, a base 3, a forming table 4, a power device 5, a speed changer 6, a motor 7, a die 8, a gear seat 9, a gear sleeve 10, a lifting lug 11, a feeding hole 12, a cover plate 13, a gland 14, a bearing 15, a hydraulic device 16 and a feeding hopper 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a concrete centrifuge includes a frame 1, a base 3 is disposed at the bottom of the frame 1, a fixing bolt is disposed at the bottom of a fixing pool 2, and the fixing pool 2 is of a concrete structure; the base 3 is fixed in the fixed pool 2 through bolts and nuts; a forming table 4 is arranged at the upper part of the rack 1, the forming table 4 is made of stainless steel, and the forming table 4 is fixed on the rack 1 through bolts and nuts; the forming table 4 is used for sealing the machine frame 1; a power device 5 is arranged below the forming table 4, the power device 5 comprises a motor 7, a transmission 6 and a gear seat 9, the transmission 6 is arranged on the front side of the motor 7, the motor 7 and the transmission 6 are fixed on the frame 1 through bolts and nuts, a rotating shaft of the motor 7 is fixedly connected with an input rotating shaft of the transmission 6 through a coupling, the transmission 6 is provided with a plurality of output rotating shafts, and the plurality of output rotating shafts are arranged to rotate a plurality of dies 8 at the same time, so that a plurality of workpieces are formed and processed at the same time, and the production efficiency is improved; the output rotating shafts are respectively provided with a gear seat 9, the gear seats 9 are made of stainless steel materials, and the gear seats 9 are fixedly connected with the output rotating shafts through thread matching;

referring to fig. 4, in the embodiment of the present invention, a vertically arranged mold 8 is disposed above the transmission 6, the mold 8 is cylindrical, lifting lugs 11 are disposed on two sides of the mold 8, and the lifting lugs 11 are used for conveniently lifting the mold 8; the bottom of the mould 8 is provided with a gear sleeve 10 matched with the gear seat 9, and the mould 8 is meshed and connected with the gear sleeve 10 through the gear seat 9; the purpose of vertically arranging the molds 8 is to reduce the space occupation of the molds 8, increase the number of the molds 8, and simultaneously facilitate the material injection of the molds 8 and improve the centrifugal effect; the purpose that the die 8 is connected with the output rotating shaft of the speed changer 6 through gear engagement is to conveniently hoist the die 8 and a workpiece;

referring to fig. 1 to 4, in the embodiment of the present invention, a cover plate 13 is disposed above the forming table 4, the cover plate 13 is made of stainless steel, sliding grooves are disposed on two sides of the cover plate 13, a sliding rail matched with the sliding grooves is disposed on the frame 1, and the cover plate 13 is connected to the frame 1 through the matching of the sliding rail and the sliding grooves; a hydraulic device 16 is arranged below two sides of the cover plate 13, the bottom of the hydraulic device 16 is fixed on the rack 1 through bolts and nuts, a hydraulic rod is arranged on the upper part of the hydraulic device 16, and the hydraulic rod is fixedly connected with the cover plate 13 through bolts and nuts; the hydraulic device 16 is used for pushing the gland 14 to move up and down, so that the sealing and unsealing of the mold 8 are realized; a feeding hole 12 is formed in the upper surface of the die 8, a matched material passing hole is formed in the position, opposite to the feeding hole 12, of the cover plate 13, a pressing cover 14 is arranged at the material passing hole, the pressing cover 14 is made of stainless steel, and the pressing cover 14 is fixed on the cover plate 13 through bolts and nuts; a bearing 15 is arranged on the inner side of the gland 14, and the bearing 15 is welded on the gland 14; the inner diameter of the bearing 15 is equal to the outer diameter of the mould 8, so that the gland 14 can conveniently compress and seal the mould 8, and concrete is prevented from falling off in the centrifugal process; a feed hopper 17 is respectively arranged above the material passing openings of the cover plate 13, the feed hoppers 17 are made of stainless steel, and the feed hoppers 17 are fixed on the cover plate 13 through bolts and nuts; the feed hopper 17 is used for injecting materials into the mold 8;

when in use, the die 8 is firstly placed on the gear seat 9 and is connected with an output rotating shaft of the speed changer 6 through the meshing connection of the gear seat 9 and the gear sleeve 10; then, the cover plate 13 is driven to move downwards by the hydraulic device 16, so that the cover plate 13 drives the gland 14 to seal the die 8; then the motor 7 rotates to drive the transmission 6 to rotate, so as to drive the mold 8 to rotate, and meanwhile, the feed hopper 17 is used for injecting materials into the mold 8, so that the rapid feeding and the efficient molding of the workpiece are realized under the action of gravity and centrifugal force; after the forming is completed, the cover plate 13 is lifted by the hydraulic device 16, and then the mold 8 is taken out by a forklift or other hoisting equipment.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The concrete centrifuge comprises a rack (1) and is characterized in that a base (3) is arranged at the bottom of the rack (1), and a fixing bolt is arranged at the bottom of a fixing pool (2); the base (3) is fixed in the fixed pool (2) through a fixed bolt and a nut; the upper part of the rack (1) is provided with a forming table (4), and the forming table (4) is fixed on the rack (1) through bolts and nuts; a power device (5) is arranged below the forming table (4), the power device (5) comprises a motor (7), a speed changer (6) and a gear seat (9), the speed changer (6) is arranged on the front side of the motor (7), the motor (7) and the speed changer (6) are fixed on the rack (1) through bolts and nuts, a rotating shaft of the motor (7) is fixedly connected with an input rotating shaft of the speed changer (6) through a coupler, and the speed changer (6) is provided with a plurality of output rotating shafts; the output rotating shafts are respectively provided with a gear seat (9), and the gear seats (9) are fixedly connected with the output rotating shafts through thread matching; a vertically arranged die (8) is arranged above the speed changer (6), and lifting lugs (11) are arranged on two sides of the die (8); the bottom of the die (8) is provided with a gear sleeve (10) matched with the gear seat (9), and the die (8) is meshed and connected with the gear sleeve (10) through the gear seat (9); a cover plate (13) is arranged above the forming table (4); a hydraulic device (16) is arranged below two sides of the cover plate (13), the bottom of the hydraulic device (16) is fixed on the rack (1) through bolts and nuts, a hydraulic rod is arranged on the upper part of the hydraulic device (16), and the hydraulic rod is fixedly connected with the cover plate (13) through bolts and nuts; a feeding hole (12) is formed in the upper surface of the die (8), a matched material passing hole is formed in the position, opposite to the feeding hole (12), of the die (8), of the cover plate (13), a pressing cover (14) is arranged at the material passing hole, and the pressing cover (14) is fixed on the cover plate (13) through bolts and nuts; a bearing (15) is arranged on the inner side of the gland (14), and the bearing (15) is welded on the gland (14); and feed hoppers (17) are respectively arranged above the material passing openings of the cover plate (13).

2. The concrete centrifuge according to claim 1, characterized in that the stationary basin (2) is of concrete construction; the forming table (4) is made of stainless steel; the gear seat (9) is made of stainless steel.

3. Concrete centrifuge according to claim 1, characterized in that said mould (8) is cylindrical; the cover plate (13) is made of stainless steel, sliding grooves are formed in two sides of the cover plate (13), sliding rails matched with the sliding grooves are arranged on the rack (1), and the cover plate (13) is connected with the rack (1) through the matching of the sliding rails and the sliding grooves.

4. The concrete centrifuge of claim 1, wherein said gland (14) is stainless steel; the inner diameter of the bearing (15) is equal to the outer diameter of the die (8).

5. The concrete centrifuge as claimed in claim 1, characterized in that the feed hopper (17) is made of stainless steel, the feed hopper (17) being fastened to the cover plate (13) by means of bolts and nuts.