CN207810514U - A kind of cagem type screw conveyor - Google Patents

Abstract

The utility model discloses a kind of cagem type screw conveyors, the insert bearing seat that its rack installing at least three is spaced successively from front to back, middle housing is installed between two neighboring insert bearing seat, each middle housing bosom delivery chamber is embedded in helical axis respectively；Insert bearing seat includes the bearing block lower body being mutually spirally connected, bearing block upper body, bearing block stabilizer blade is arranged in bearing block lower body outer circumference surface, bearing supporting disk is installed between bearing block upper and lower body, bearing bearing disc rim portions are not intercalated in the lower body arc groove of the upper body arc groove of bearing block upper body, bearing block lower body, it is embedded in deep groove ball bearing in the bearing installation through-hole in bearing supporting disk centre position, movable rotation-shaft is embedded in deep groove ball bearing centre bore；Each middle housing installs feed inlet, discharge port respectively, and the movable rotation-shaft of front end is driven by deceleration motor.The utility model has the advantages that novel in design, reliability is good, and can realize long-distance sand transport operation and realize multiple feed.

Description

A kind of cagem type screw conveyor

Technical field

The utility model is related to thermal power plant the powder system technical field more particularly to a kind of cagem type helical feeds Machine.

Background technology

The common dust removal method of thermal power plant belt feeder coal dropping point generally uses at present：1, U-shaped screw conveyor；2, it scrapes Template conveyer.Wherein, for U-shaped screw conveyor, staving is in U-typed, and bearing block is suspension type, is fixed on staving Both sides, it is poor to neutrality, easy to produce the defects of axis is stuck, bearing seal is not tight, noise is big, while the conveying of unsuitable overlength distance Material；2, it is to be scraped the material residue of staving bottom to discharge port by cast chain and scraper plate to scrape template conveyer, and staving top is set There is return track.The equipment flight chain not only with staving base track CONTACT WITH FRICTION, also with slag charge CONTACT WITH FRICTION, therefore scraper plate Chain and sprocket wear block, the noise of generation is quite big, while the electric load needed is also big, also the conveying object of unsuitable overlength distance Material.

For above two conveyer, in the actual use process, have the following defects, specifically：Equipment Failure rate is big, wear-out part replacement frequency is high, plant maintenance amount is big, the service life of equipment is short, effects of energy conservation and environmental protection is poor.

Utility model content

The purpose of this utility model is that a kind of cagem type screw conveyor is provided in view of the deficiencies of the prior art, the strand Cage screw conveyer structure is novel in design, reliability is good, and can realize long-distance sand transport operation and realize multiple spot into Material.

In order to achieve the above objectives, the utility model is achieved through the following technical solutions.

A kind of cagem type screw conveyor, including organic frame, the upper end of rack be installed at least three from front to back according to The insert bearing seat of minor tick arrangement, is installed between adjacent two insert bearing seats horizontally disposed along front-rear direction And vertical cross-section is in the middle housing of " O " shape shape, the inside of each middle housing offers respectively to be passed through completely along front-rear direction The intermediate delivery chamber worn；

Insert bearing seat include respectively be in half-circle-arc shape bearing block lower body, right over bearing block lower body Bearing block upper body, the upper edge and the lower edge section of bearing block upper body of bearing block lower body are spirally connected by lock screw, axis The outer circumference surface of bearing lower body is provided with the bearing block stabilizer blade for protruding extension downward, and the lower end of bearing block stabilizer blade passes through locking screw Silk spiral shell loads the upper surface for being fixed in rack, and the inner peripheral surface centre position of bearing block lower body offers lower body arc groove, bearing block The inner peripheral surface centre position of upper body offers the upper body arc groove with lower body arc groove alignment；Bearing block upper body and bearing The bearing supporting disk of circular in shape is installed between seat lower body, the edge part of bearing supporting disk is intercalated in bearing block upper body respectively Upper body arc groove, bearing block lower body lower body arc groove in, the centre position of bearing supporting disk offer it is front and back completely through Bearing installation through-hole, embedded in the deep groove ball bearing being vertically arranged, deep-groove ball in the bearing installation through-hole of bearing supporting disk Embedded with along the horizontal-extending movable rotation-shaft of front-rear direction in the centre bore of bearing, the front end of movable rotation-shaft extends to bearing The front end side of supporting disk, the rear end of movable rotation-shaft extend to the rear end side of bearing supporting disk；The front surface of bearing supporting disk, after Surface is installed with the side fixed bearing block for being set in movable rotation-shaft periphery respectively；

The front end of each middle housing is installed in bearing block upper body and the bearing block of the insert bearing seat of corresponding side respectively Between lower body, the intermediate delivery chamber of each middle housing is rotatably embedded with along the horizontal-extending spiral of front-rear direction The front end of axis, each helical axis is connect with the rear end of the movable rotation-shaft of corresponding side respectively, the rear end of each helical axis respectively with The front end of the movable rotation-shaft of corresponding side connects；Each middle housing is installed with upwardly opening feed inlet, downwardly facing opening respectively Discharge port；

The upper end of rack is installed with speed reducer mounting base, speed reducer peace in the front end side of the insert bearing seat of front end Dress seat is installed with driving decelerating motor, and the power output shaft of decelerating motor is driven to pass through shaft coupling and the movable rotation-shaft of front end Front end connects.

Wherein, it is installed with respectively between each side fixed bearing block and the corresponding movable rotation-shaft spaced apart Wool felt sealing ring, rubber seal.

Wherein, each bearing supporting disk offers the drain oil of upwardly opening tank filler sleeve, downwardly facing opening respectively.

The beneficial effects of the utility model are：A kind of cagem type screw conveyor described in the utility model comprising have Rack, the upper end of rack are installed at least three spaced apart insert bearing seats successively from front to back, adjacent two The middle housing that and vertical cross-section horizontally disposed along front-rear direction is in " O " shape shape is installed between insert bearing seat, respectively The inside of middle housing offer respectively along front-rear direction completely through intermediate delivery chamber；Insert bearing seat includes Be in the bearing block lower body of half-circle-arc shape, the bearing block upper body right over bearing block lower body respectively, bearing block lower body it is upper End edge edge and the lower edge section of bearing block upper body are spirally connected by lock screw, and the outer circumference surface of bearing block lower body is provided with court The bearing block stabilizer blade that lower protrusion extends, the lower end of bearing block stabilizer blade load the upper surface for being fixed in rack by lock screw spiral shell, The inner peripheral surface centre position of bearing block lower body offers lower body arc groove, and the inner peripheral surface centre position of bearing block upper body opens up There is the upper body arc groove with lower body arc groove alignment；It is installed with circular in shape between bearing block upper body and bearing block lower body Bearing supporting disk, the edge part of bearing supporting disk is intercalated in the upper body arc groove of bearing block upper body, bearing block lower body respectively In lower body arc groove, the centre position of bearing supporting disk offer it is front and back completely through bearing installation through-hole, bearing supporting disk Bearing installation through-hole in embedded in the deep groove ball bearing that is vertically arranged, embedded with along preceding in the centre bore of deep groove ball bearing The horizontal-extending movable rotation-shaft of rear direction, the front end of movable rotation-shaft extend to the front end side of bearing supporting disk, movable rotation-shaft Rear end extends to the rear end side of bearing supporting disk；Front surface, the rear surface of bearing supporting disk are installed with the activity of being set in respectively The side fixed bearing block of shaft periphery；The front end of each middle housing is installed in the axis of the insert bearing seat of corresponding side respectively Between bearing upper body and bearing block lower body, the intermediate delivery chamber of each middle housing is rotatably embedded with along front and back To horizontal-extending helical axis, the front end of each helical axis is connect with the rear end of the movable rotation-shaft of corresponding side respectively, each spiral The rear end of axis is connect with the front end of the movable rotation-shaft of corresponding side respectively；Each middle housing be installed with respectively it is upwardly opening into The discharge port of material mouth, downwardly facing opening；The upper end of rack is installed with speed reducer in the front end side of the insert bearing seat of front end Mounting base, speed reducer mounting base are installed with driving decelerating motor, drive the power output shaft of decelerating motor by shaft coupling with most The front end of the movable rotation-shaft of front end connects.Cross said structure design, the utility model has novel in structural design, reliable and stable The good advantage of property, and can realize long-distance sand transport operation and realize multiple feed.

Description of the drawings

The utility model is further detailed below with attached drawing, but the embodiment in attached drawing is not constituted pair Any restrictions of the utility model.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the close-up schematic view of Fig. 1.

Include in fig. 1 and 2：

1 --- rack 2 --- insert bearing seat

21 --- bearing block lower body 211 --- bearing block stabilizer blades

212 --- lower body arc groove 22 --- bearing block upper bodies

221 --- upper body arc groove 23 --- bearing supporting disks

231 --- bearing mounting hole 232 --- tank filler sleeves

233 --- drain oil 24 --- deep groove ball bearings

25 --- movable rotation-shaft 26 --- side bearing blocks

3 --- middle housing 31 --- intermediate delivery chambers

32 --- feed inlet 33 --- discharge ports

4 --- helical axis 51 --- speed reducer mounting bases

52 --- driving decelerating motor 6 --- shaft couplings

71 --- wool felt sealing ring 72 --- rubber seal.

Specific implementation mode

The utility model is illustrated with reference to specific embodiment.

As depicted in figs. 1 and 2, a kind of cagem type screw conveyor, including organic frame 1, the upper end of rack 1 be installed with to Few three spaced apart insert bearing seats 2 successively from front to back are installed with edge between adjacent two insert bearing seats 2 That front-rear direction is horizontally disposed and vertical cross-section be in " O " shape shape middle housing 3, the inside of each middle housing 3 opens up respectively Have along front-rear direction completely through intermediate delivery chamber 31.

Further, insert bearing seat 2 include respectively be in half-circle-arc shape bearing block lower body 21, be located at bearing block Bearing block upper body 22 right over lower body 21, the lower edge section of the upper edge and bearing block upper body 22 of bearing block lower body 21 It is spirally connected by lock screw, the outer circumference surface of bearing block lower body 21 is provided with the bearing block stabilizer blade 211 for protruding extension downward, bearing The lower end of seat stabilizer blade 211 loads the upper surface for being fixed in rack 1 by lock screw spiral shell, in the inner peripheral surface of bearing block lower body 21 Between position offer lower body arc groove 212, the inner peripheral surface centre position of bearing block upper body 22 offers and lower body arc groove 212 The upper body arc groove 221 of alignment；The bearing of circular in shape is installed between bearing block upper body 22 and bearing block lower body 21 The edge part of supporting disk 23, bearing supporting disk 23 is intercalated in the upper body arc groove 221 of bearing block upper body 22, bearing block lower body respectively In 21 lower body arc groove 212, the centre position of bearing supporting disk 23 offer it is front and back completely through bearing installation through-hole, axis It holds in the bearing installation through-hole of supporting disk 23 embedded in the deep groove ball bearing 24 being vertically arranged, the centre bore of deep groove ball bearing 24 Interior to be embedded with along the horizontal-extending movable rotation-shaft 25 of front-rear direction, the front end of movable rotation-shaft 25 extends to bearing supporting disk 23 Front end side, the rear end of movable rotation-shaft 25 extends to the rear end side of bearing supporting disk 23；The front surface of bearing supporting disk 23, after Surface is installed with the side fixed bearing block for being set in 25 periphery of movable rotation-shaft respectively.

Further, the front end of each middle housing 3 is installed in the bearing block of the insert bearing seat 2 of corresponding side respectively Between upper body 22 and bearing block lower body 21, the intermediate delivery chamber 31 of each middle housing 3 is rotatably embedded with along preceding The front end of the horizontal-extending helical axis 4 of rear direction, each helical axis 4 connects with the rear end of the movable rotation-shaft of corresponding side 25 respectively It connects, the rear end of each helical axis 4 is connect with the front end of the movable rotation-shaft of corresponding side 25 respectively；Each middle housing 3 is installed respectively There is the discharge port 33 of upwardly opening feed inlet 32, downwardly facing opening.

In addition, the upper end of rack 1 is installed with speed reducer mounting base in the front end side of the insert bearing seat 2 of front end 51, speed reducer mounting base 51 be installed with driving decelerating motor 52, drive decelerating motor 52 power output shaft by shaft coupling 6 with The front end of the movable rotation-shaft 25 of front end connects.

It should further be noted that being installed with arranged for interval respectively between each side fixed bearing block and corresponding movable rotation-shaft 25 Wool felt sealing ring 71, rubber seal 72；It is set by wool felt sealing ring 71,72 combined seal structure of rubber seal Meter, the utility model can effectively ensure that dust enters to deep groove ball bearing 24, and then can effectively extend making for bearing Use the service life.

Also it is exactly that each bearing supporting disk 23 offers the drain oil of upwardly opening tank filler sleeve 232, downwardly facing opening respectively 233。

For the insert bearing seat 2 of the utility model, deep groove ball bearing 24 is flush-mounted in the axis of bearing supporting disk 23 It holds in installation through-hole, and the deep groove ball bearing 24 in bearing installation through-hole is fixed by the side of front end side, rear end side Bearing block is limited；In addition, for the bearing supporting disk 23 of the utility model, pass through the bearing block of split-type design Upper body 22,21 location and installation of bearing block lower body, and bearing supporting disk 23 by upper body arc groove 221, lower body arc groove 212 into Row clamping positions；Above-mentioned bearing installation and positioning structure design can be effectively prevented from bearing when operation because of the effect of running resistance And occur that axis is stuck, axis rocks, positions phenomena such as inaccurate, also have the characteristics that positioning standard, the proper alignment of axis is good, operates steadily.

Also it is exactly that the bearing supporting disk 23 of the utility model offers tank filler sleeve 232, drain oil 233, it, can when work The sump oil of bearing internal cause long operational time generation is bled off in time.

It is emphasized that the middle housing 3 of the utility model is O-shaped structure, the middle housing 3 of the structure design can have Prevent dust to effect.

During utility model works, since each helical axis 4 is connected by movable rotation-shaft 25 respectively, when work, subtract Fast driving motor drives the movable rotation-shaft 25 of front end to rotate by shaft coupling 6, and then each helical axis 4 is driven to rotate successively, During this, material is entered to via feed inlet 32 in corresponding intermediate delivery chamber 31, and is discharged via discharge port 33. Since each middle housing 3 of the utility model is respectively arranged with feed inlet 32, discharge port 33, i.e. the utility model can be realized far Distance conveying operation simultaneously realizes multiple feed.

Based on the above situation, it may be appreciated that by said structure design, the utility model has novel in structural design, reliable and stable The good advantage of property, and can realize long-distance sand transport operation and realize multiple feed.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as Limitations of the present invention.

Claims (3)

1. a kind of cagem type screw conveyor, it is characterised in that：Including organic frame（1）, rack（1）Upper end be installed at least Three spaced apart insert bearing seats successively from front to back（2）, adjacent two insert bearing seats（2）Between be installed with Along front-rear direction, horizontally disposed and vertical cross-section is in the middle housing of " O " shape shape（3）, each middle housing（3）Inside points Do not offer along front-rear direction completely through intermediate delivery chamber（31）；

Insert bearing seat（2）It include the bearing block lower body for being in half-circle-arc shape respectively（21）, be located at bearing block lower body（21） The bearing block upper body of surface（22）, bearing block lower body（21）Upper edge and bearing block upper body（22）Lower edge section It is spirally connected by lock screw, bearing block lower body（21）Outer circumference surface be provided with the bearing block stabilizer blade for protruding extension downward（211）, Bearing block stabilizer blade（211）Lower end loaded by lock screw spiral shell and be fixed in rack（1）Upper surface, bearing block lower body（21）'s Inner peripheral surface centre position offers lower body arc groove（212）, bearing block upper body（22）Inner peripheral surface centre position offer With lower body arc groove（212）The upper body arc groove of alignment（221）；Bearing block upper body（22）With bearing block lower body（21）Between It is installed with the bearing supporting disk of circular in shape（23）, bearing supporting disk（23）Edge part be intercalated in bearing block upper body respectively （22）Upper body arc groove（221）, bearing block lower body（21）Lower body arc groove（212）It is interior, bearing supporting disk（23）Centre Position offer it is front and back completely through bearing installation through-hole, bearing supporting disk（23）Bearing installation through-hole in embedded in perpendicular To the deep groove ball bearing of arrangement（24）, deep groove ball bearing（24）Centre bore in embedded with along the horizontal-extending work of front-rear direction Turn axis（25）, movable rotation-shaft（25）Front end extend to bearing supporting disk（23）Front end side, movable rotation-shaft（25）After End extends to bearing supporting disk（23）Rear end side；Bearing supporting disk（23）Front surface, rear surface be installed with suit respectively In movable rotation-shaft（25）The side fixed bearing block of periphery；

Each middle housing（3）Front end be installed in the insert bearing seat of corresponding side respectively（2）Bearing block upper body（22）With Bearing block lower body（21）Between, each middle housing（3）Intermediate delivery chamber（31）Rotatably it is embedded with along front and back The horizontal-extending helical axis in direction（4）, each helical axis（4）Front end respectively with the movable rotation-shaft of corresponding side（25）Rear end Connection, each helical axis（4）Rear end respectively with the movable rotation-shaft of corresponding side（25）Front end connection；Each middle housing（3） It is installed with upwardly opening feed inlet respectively（32）, downwardly facing opening discharge port（33）；

Rack（1）Upper end in the insert bearing seat of front end（2）Front end side be installed with speed reducer mounting base（51）, subtract Fast machine mounting base（51）It is installed with driving decelerating motor（52）, drive decelerating motor（52）Power output shaft pass through shaft coupling （6）With the movable rotation-shaft of front end（25）Front end connection.

2. a kind of cagem type screw conveyor according to claim 1, it is characterised in that：Each side fixed bearing block With the corresponding movable rotation-shaft（25）Between be installed with spaced apart wool felt sealing ring respectively（71）, rubber seal （72）.

3. a kind of cagem type screw conveyor according to claim 1, it is characterised in that：Each bearing supporting disk（23） Upwardly opening tank filler sleeve is offered respectively（232）, downwardly facing opening drain oil（233）.