CN206814012U - A kind of bridge-type blending reclaimer of double bucket wheel - Google Patents

Abstract

The utility model belongs to the technical field of bulk material processing equipment, in particular to a bridge-type double-bucket wheel mixing and reclaiming machine. It includes a traveling device and a reclaiming device installed on the traveling device through the main body bridge. The traveling device is provided with a driving device that drives the reclaiming device to pitch and a turning device that drives the reclaiming device to rotate and switch the material field. The beneficial effects of the utility model are: the material field switching of the reclaiming device is realized through the driving device and the revolving device, so that a reclaimer can quickly switch between two mixing piles to reclaim materials, the system is flexible, and the The production efficiency is improved, and the pitching and moving of the main bridge frame is realized through the driving device and the traveling device, so as to correct the skew of the main bridge frame and reduce the maintenance time.

Description

A bridge type double bucket wheel mixing reclaimer

technical field

The utility model belongs to the technical field of bulk material processing equipment, in particular to a bridge-type double-bucket-wheel mixing and reclaiming machine.

Background technique

At present, iron and steel enterprises generally have their own sintering plants. In order to continuously provide mixed ore to the sintering plant, they usually adopt the arrangement of two piles of mixing yards. Each pile of mixing yards has two working lines, one The stacking operation is carried out, and the other one is used for the reclaiming operation. The two material strips are operated alternately, and each material strip is equipped with a mixing and reclaiming machine. That is to say, a mixing stockpile is equipped with a stacker and a reclaimer. After the stacking is completed, the material is reclaimed, and after the reclaiming is completed, the material is stacked. However, under the limitation of the traditional stockyard layout and the structure of the reclaimer itself, the traditional bulk material handling layout has the following defects: On the one hand, only one reclaimer is working and the other is idle in normal production, resulting in Waste of resources; on the other hand, once the working reclaimer breaks down, the entire mixing ore feeding line is forced to be interrupted, affecting production. With the continuous improvement of environmental protection requirements, the raw material yards of iron and steel enterprises are facing the pressure of reducing the floor area and inventory. In order to ensure the continuous supply of mixed ore, it is necessary to shorten the maintenance and overhaul cycle of the mixer reclaimer. Therefore, there is a lack of a bridge-type double-bucket wheel mixing and reclaiming machine that can be used as a backup for each other in production at present.

Utility model content

In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a bridge-type double-bucket wheel mixing and reclaiming machine, which is used to solve the problem of inability to switch stockyards and low production efficiency of traditional reclaimers in the prior art. question.

In order to achieve the above purpose and other related purposes, the utility model provides a bridge-type double-bucket wheel mixing and reclaiming machine, which includes a walking device and a reclaiming device installed on the walking device through the main body bridge, and the walking device is equipped with The driving device that drives the pitching of the reclaiming device and the swivel device that drives the reclaiming device to rotate and switch the material field.

The beneficial effect of the utility model is that the material field switching of the reclaiming device is realized through the driving device and the revolving device, so that a reclaimer can quickly switch between two mixing piles to reclaim the material, the system is flexible, and the The production efficiency is improved, and the pitching and moving of the main bridge frame is realized through the driving device and the traveling device, so as to correct the skew of the main bridge frame and reduce the maintenance time.

Further, it also includes a counterweight mechanism, and the counterweight mechanism cooperates with the pitching device to drive the reclaiming device to pitch.

Further, the counterweight mechanism includes a first connecting rod, a second connecting rod, a third connecting rod and a counterweight arm provided with a counterweight, and one end of the counterweight arm and the first connecting rod is hingedly arranged on the swivel device Above, one end of the second connecting rod is connected to the counterweight, and the other end of the second connecting rod is hinged to the first connecting rod and the third connecting rod at the same time, and the third connecting rod is also connected to the driving device.

The beneficial effect of adopting the above further scheme is that the pitching stability of the reclaiming device is further improved by setting the counterweight mechanism, and the counterweight mechanism provides a balance moment after the driving device drives the reclaiming device to tilt up.

Further, the driving device includes a steel wire rope, and a strut and a pull rod connected to the main body bridge frame. A winch drum and a pulley block are installed on the slewing device. One end of the wire rope is connected to the winch drum, and the other end of the wire rope goes around the pulley block and the pulley block. The struts are connected, and the steel wire rope is retracted to drive the main bridge frame to pitch.

Further, the driving device also includes a hoist, and the hoist drives the winch drum to rotate through a worm gear reducer with a self-locking mechanism.

The beneficial effect of adopting the above-mentioned further solution is that the winch drum is driven to rotate by the worm gear reducer with a self-locking mechanism, so as to prevent the main bridge frame from falling automatically due to brake failure and improve safety performance.

Further, the walking device includes a main portal frame and an end frame, a rotating round table supporting the swivel device is installed on the top of the main portal frame, and the two ends of the main bridge frame are respectively connected with the swivel device and the end frame.

Further, the revolving device includes a revolving steel structure and a slewing bearing installed on the rotating round table, and the lower end of the revolving steel structure is installed on the slewing bearing.

The beneficial effect of adopting the above further scheme is that the driving device, the material retrieving device and the counterweight mechanism are driven by the gyratory device to realize 180° rotation together, which is conducive to quickly realizing the switching of the material yard.

Further, the material retrieving device includes a traverse mechanism installed on the main body bridge frame and a bridge-type tape conveyor, the bridge-type tape conveyor is arranged in parallel with the main body bridge frame to form a double-beam structure, and a double-bucket-wheel collection mechanism is installed on the traverse mechanism And the material rake mechanism, the traverse mechanism drives the double bucket wheel collection mechanism and the material rake mechanism to move to complete the material picking and output through the bridge belt conveyor.

The beneficial effect of adopting the above-mentioned further scheme is that the double-girder structure is formed by the bridge-type belt conveyor and the main bridge frame, which improves the stability of the equipment, reduces the supporting load on the double-bucket-wheel collection mechanism, and reduces failures. Location fetching.

Further, a feeding device for transferring the materials on the reclaiming device to the ground belt conveyor is provided under the walking device.

Further, a chute, a material guide trough and buffer rollers are provided at the diagonal positions below the walking device, the chute and the material guide trough are connected, and the chute receives the material on the reclaiming device and transfers it to the ground belt through the material guide trough. machine.

The beneficial effect of adopting the above further solution is: the material transfer is simple and convenient, it is beneficial to send the material to the corresponding ground belt conveyor for output, the flexibility is high, and the production efficiency is improved.

Further, it also includes a track mechanism that cooperates with the running device, and the track mechanism includes a main gantry track under the main gantry running wheels, and an end frame track under the end frame running wheels.

The beneficial effect of adopting the above further solution is: the movement of the reclaimer is realized through the traveling device and the track mechanism, and the main door frame and the end frame cooperate with the track mechanism at the same time, so that the force is balanced and the moving operation is more stable.

Description of drawings

Fig. 1 is the schematic diagram of reclaiming before the bridge type double-bucket wheel mixing reclaimer of the utility model switches the material field;

Fig. 2 is a schematic diagram of the structure of the bridge-type double-bucket-wheel mixing reclaimer of the present invention, which is raised to the highest point before switching the material field;

Fig. 3 is a structural schematic diagram of the bridge-type double-bucket-wheel mixing reclaimer of the utility model rotating 180° horizontally to switch the material field;

Fig. 4 is a schematic diagram of reclaiming after the bridge-type double-bucket wheel mixing and reclaiming machine of the present invention switches the material field;

Fig. 5 is the front view of Embodiment 1 of the bridge-type double-bucket wheel mixing reclaimer of the present invention before and after switching the material yard;

Fig. 6 is a top view of Embodiment 1 of the bridge-type double-bucket wheel mixing reclaimer of the present invention before and after switching the material yard;

Fig. 7 is the front view of the second embodiment of the bridge-type double-bucket wheel mixing reclaimer of the present invention before and after switching the material yard;

Fig. 8 is a top view of Embodiment 2 of the bridge-type double-bucket wheel mixing reclaimer of the present invention before and after switching the material yard.

Part number description

1 walking device;

11 main mast;

12 end frames;

13 main mast track;

14a end frame track;

14b end frame track;

15a floor tape machine;

15b floor tape machine;

21 Traversing transmission mechanism;

22 horizontal frames;

23 bridge tape machine;

231 Worm gear screw tensioning mechanism;

24 double bucket wheel collecting mechanism;

25 material rake mechanism;

3 swivel device;

31 slewing bearing;

32 Swing steel structure;

33 control room;

34 rotary table;

41 steel wire rope;

421 counterweight arm;

422 first connecting rod;

423 second connecting rod;

424 the third connecting rod;

425 counterweights;

43 struts;

44 pull rod;

45 hoist;

46 pulley blocks;

47 winch drum;

5 main bridge;

6 feeding device;

7 feeding mechanism;

71 chute;

72 guide groove;

73 buffer roller;

8 cable reels;

9a stockpile;

9b Stockpile.

detailed description

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

It should be noted that terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

As shown in Figures 1 to 8, the bridge-type double-bucket wheel mixing reclaimer of the present invention includes a walking device 1 and a reclaiming device installed on the walking device 1 through the main bridge frame 5, and the walking device 1 is provided with The driving device that drives the pitching of the reclaiming device and the swivel device that drives the reclaiming device to rotate and switch the material field. The reclaimer also includes a counterweight mechanism. The counterweight mechanism and the pitching device cooperate to drive the reclaimer to pitch. The material device rotates together to switch the material field from the material pile 9a to another material pile 9b, and the driving device drives the reclaiming device to lower down, and then carries out the reclaiming operation on the material pile 9b.

As shown in Figures 1 to 4, the retrieving device includes a traversing mechanism and a bridge-type tape conveyor 23, the traversing mechanism and the bridge-type tape conveyor 23 are installed on the main bridge frame 5, and the main bridge frame 5 is welded with steel rails for supporting the running of the traversing mechanism. The bridge-type adhesive tape machine 23 is arranged in parallel with the main bridge frame 5 to form a double-beam structure, which increases stability. The tail of the bridge-type adhesive tape machine 23 is provided with a worm wheel screw tensioning mechanism 231 for adjusting its tightness. Wherein, the traverse mechanism includes a traverse transmission mechanism 21 and a traverse frame 22, the traverse frame 22 is suspended under the main bridge frame 5, the traverse transmission mechanism 21 drives the traverse frame 22 to move along the main bridge frame 5, the traverse transmission mechanism 21 can be driven by a rack and pinion, The drive motor is a variable frequency motor. A double bucket wheel collection mechanism 24 and a material rake mechanism 25 are installed on the horizontal frame 22, and two sets of double bucket wheel collection mechanisms 24 are arranged on the reclaimer, and the distance between the two sets of double bucket wheel collection mechanisms 24 is set to be the bottom width of the pile 1/2 of that, it is beneficial to realize the retrieving of materials at each position. Every set of double bucket wheel collection mechanism 24 comprises a drive mechanism and 2 sets of bucket wheel bodies, a hopper is installed on the bucket wheel body, and each set of bucket wheel bodies is respectively provided with a set of belt conveyor reloading device, through which the belt conveyor transfers the material in the hopper The material is transferred to the bridge belt conveyor 23. The material rake mechanism 25 adjusts the inclination angle according to the natural accumulation angle of the material pile, adopts a triangular nailed rake structure, is installed on the horizontal frame 22, and is located in front of the double bucket wheel collection mechanism 24, and each set of double bucket wheel collection mechanisms 24 is equipped with a corresponding set Material rake mechanism 25. During operation, the horizontal transmission mechanism 21 drives the horizontal frame 22 to move, so that the double bucket wheel collection mechanism 24 reaches the material picking place, and the material rake mechanism 25 cooperates with the double bucket wheel collection mechanism 24 to take material, which not only improves the mixing effect of the mixed ore, It also prevents the stockpile from collapsing during reclaiming.

As shown in Figures 1 to 4, the running device 1 includes a main door frame 11 and an end frame 12, and a track mechanism that cooperates with the running device 1 is installed on the ground, and the track mechanism includes a main door frame that is connected with the main door frame 11 below the running wheels. Rail 13, and the end frame rails 14a, 14b below the end frame 12 traveling wheels. The top of the main door frame 11 is equipped with a rotating round platform 34 for supporting the swivel device 3, the swivel device 3 is installed on the rotating round platform 34, and the two ends of the main bridge frame 5 are respectively connected with the swivel device 3 and the end frame 12. The four corners of the main mast 11 are equipped with 4 sets of driving balance beams, and the end frame 12 is equipped with 1 set of driving balance beams, which play the role of evenly distributing the wheel pressure. Mechanism contact realizes the reciprocating operation and alignment effect of the reclaimer, and the traveling device 1 is driven by a frequency conversion motor.

As shown in Figures 1 to 4, the swivel device 3 includes a swivel bearing 31, a swivel steel structure 32 and a drive mechanism, the drive mechanism is driven by a frequency conversion motor, the swivel bearing 31 is installed on the rotary table 34, and the lower end of the swivel steel structure 32 is installed on the On the slewing bearing 31, and the connecting end of the slewing steel structure 32 and the slewing bearing 31 is also connected to the main bridge frame 5, and the driving mechanism drives the slewing steel structure 32 to rotate to drive the main bridge frame 5 to rotate 180°. A control room 33 is also installed on the upper platform of the revolving steel structure 32. The control room includes a driver's cab and an electrical room. The driver's room is equipped with an operating console, a control machine, an industrial TV, heating and cooling air conditioners, etc.; the electrical room is equipped with PLC cabinets, control Cabinet etc.

As shown in Figures 1 to 4, the driving device includes a steel wire rope 41, a strut 43 and a pull rod 44, the strut 43 and the pull rod 44 are connected to the main body bridge frame 5, a winch drum 47 and a pulley block 46 are installed on the revolving steel structure 32, and the steel wire rope One end of 41 is connected with the winch drum 47, and the other end of the wire rope 41 is connected with the strut 43 around the pulley block 46, and the winch drum 47 is driven by the power provided by the hoist 45 to rotate. The hoist 45 is driven by a motor and a worm gear reducer, and the worm gear reducer It has a self-locking mechanism, which can prevent the main bridge frame 5 from falling by itself due to the failure of the brake, so as to improve the safety performance. The rotation of the winch drum 47 makes the tension of the wire rope 41 cooperate with the counterweight mechanism to drive the main bridge frame 5 to pitch. The counterweight mechanism comprises a counterweight arm 421, a first connecting rod 422, a second connecting rod 423 and a third connecting rod 424, and one end of the counterweight arm 421 and the first connecting rod 422 is connected to the upper end of the revolving steel structure 32 through a movable hinge. The other end of the counterweight arm 421 is provided with a counterweight 425, the two ends of the second connecting rod 423 are respectively connected with the counterweight 425 and the first connecting rod 422, and the two ends of the third connecting rod 424 are connected with the first connecting rod 424 respectively. The connecting rod 422 and the strut 43 are hinged. The counterweight arm 421 , the first connecting rod 422 and the third connecting rod 423 form a triangular structure, and the structural connection is stable. The winch drum 47 rotates and shrinks the steel wire rope 41, and the strut 43 goes up around its hinge with the slewing device, and the strut 43 drives the third connecting rod 424 to push the first connecting rod 422 and the counterweight arm 421 around it and the slewing steel structure 32 The hinge rotates and falls, and the balancing moment provided by the counterweight mechanism cooperates with the driving device to make the reclaiming device lift up slowly, the force is distributed and balanced, and the operation stability is improved.

The reclaimer also includes a cable reel 8. In order to save costs, the power supply point is set in the middle of the material yard. The direction of the flat cable on the machine changes every time the reclaimer passes the power supply point. The cable reel 8 is provided with a cable reversing With the navigator for protecting cables, the cable reel 8 is interlocked with the traveling device 1.

During the operation of the bridge-type double-bucket wheel mixing reclaimer, it is generally encountered that the main bridge frame is skewed due to uneven external forces, poor running brakes, or uneven ground tracks. The amount of skew within the allowable range is automatically or Repair manually. In the utility model, when the main bridge frame 5 is slightly skewed and needs to be automatically corrected, the driving device drives the reclaimer to lift up and leave the stockpile, and adjusts the force distribution of the main bridge frame 5 through the movement of the traverse mechanism, and the swivel device 3 drives the main bridge frame 5 Rotate, so as to realize the skew repair of the main bridge frame 5; when the skew of the reclaimer exceeds the automatic correction range, it is necessary to adopt a manual method next to the machine to first withdraw the rake mechanism 25 and the double bucket wheel collection mechanism 24 from the material pile through the walking device 1 , the drive device lifts the end frame 12 of the running device 1 away from the end frame track, and the swivel device 3 rotates to eliminate the skew of the main bridge frame 5; when the reclaimer fails and needs to be withdrawn for maintenance, the reclaimer and the main body are driven by the drive device After the bridge frame is raised to the highest point, it relies on the traveling device to quickly exit to the maintenance platform along the track mechanism, without being hindered by the unclaimed material pile in front or the newly built material pile in the rear. The system has strong flexibility, and equipment maintenance or failure exit is simple, fast and reliable, greatly reducing maintenance time and improving work efficiency.

The material on the bridge belt conveyor 23 is transported to the floor belt conveyor in the following embodiments, but not limited to the following embodiments.

Embodiment one:

As shown in Figures 1 to 6, at least one set of feeding device 6 for transferring the material on the bridge belt conveyor 23 to the ground belt conveyor is provided below the main door frame 11 of the traveling device 1, and the feeding device 6 adopts The tape machine with one-way operation or the reversible tape machine with two-way operation can transport the material to the floor tape machine 15a or the floor tape machine 15b through the feeding device 6 .

Embodiment two:

As shown in Fig. 1 to Fig. 4, Fig. 7 and Fig. 8, a group of feeding mechanism 7 is provided at the diagonal position below the main door frame 11 of the traveling device 1, and the feeding mechanism 7 includes a chute 71, a material guide groove 72 and a buffer bracket. The roller 73, the chute 71 is connected with the material guide chute 72, and the chute 71 receives the material on the bridge belt conveyor 23 and transfers it to the ground belt conveyor through the material guide 72.

Its working process is:

(1) Take the material normally. The stockpile 9a is the stockpile corresponding to the conventional reclaiming of the reclaimer. The end frame 12 is in contact with the end frame rail 14a, and the horizontal continuous reclaiming is realized by means of the rake mechanism 25 and the double bucket wheel collection mechanism 24 installed on the horizontal frame 22. , feed the material to the ground belt conveyor 15a of the material field through the bridge type belt conveyor 23, and send it to the sintering batching tank.

(2) Switch the stock yard. When the reclaimer corresponding to the stockpile 9b breaks down and cannot be put into use, the reclaimer corresponding to the stockpile 9a can cooperate with the driving device, the counterweight mechanism and the swivel device 3 to realize the upward-rotary-downward series of actions to complete the stockyard Switching, the mixed ore of the stockpile 9b is output to the sintering batching tank, which plays a standby role. Before the reclaimer goes up, it is necessary to move the rake mechanism 25 and the double bucket wheel collection mechanism 24 to the side close to the main mast 11 through the traverse mechanism to improve the position of the center of gravity of the whole machine. The hoist 45 provides power to drive the winch drum 47 to rotate, and passes The wire rope 41, the pulley block 46, the counterweight arm 421, the counterweight 425, the strut 43 and the tie rod 44 cooperate to pull up the main bridge frame 5, the bridge belt conveyor 23, the double bucket wheel collection mechanism 24 and the traverse mechanism as a whole to the highest position. point and maintain balance; the turning device 3 rotates the above-mentioned reclaiming device that has been raised up and rotates 180° horizontally; The process of stockyard is completed, and the normal reclaiming operation is realized.

The utility model realizes the switching and retrieving of two material piles through the rotatable and reversible reclaimer, the system is flexible, and the work efficiency is improved.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (10)

1. a kind of bridge-type blending reclaimer of double bucket wheel, including running gear and the taking on running gear by main body crane span structure Expect device, it is characterised in that：The running gear is provided with the drive device of driving feeding device pitching and drives feeding dress Rotary cutting is put to reload the revolving gear of field.

A kind of 2. bridge-type blending reclaimer of double bucket wheel according to claim 1, it is characterised in that：Also include balance weight mechanism, The balance weight mechanism and elevation mount, which coordinate, drives feeding device pitching.

A kind of 3. bridge-type blending reclaimer of double bucket wheel according to claim 2, it is characterised in that：The balance weight mechanism includes Head rod, the second connecting rod, the 3rd connecting rod and the weight arm provided with balancing weight, the weight arm and head rod One end is be hinged to be arranged on revolving gear, and second connecting rod one end is connected with balancing weight, the other end of the second connecting rod and meanwhile with Head rod and the 3rd connecting rod are hinged, and the 3rd connecting rod is also connected with drive device.

A kind of 4. bridge-type blending reclaimer of double bucket wheel according to claim 2, it is characterised in that：The drive device includes Steel wire rope and the strut and pull bar being connected with main body crane span structure, niggerhead and assembly pulley, the steel are installed on cycle plant One end of cord connects with niggerhead, and the other end of steel wire rope is connected around assembly pulley with strut, and master is driven in steel wire rope folding and unfolding Body crane span structure pitching, balance weight mechanism provide trimming moment during pitching.

A kind of 5. bridge-type blending reclaimer of double bucket wheel according to claim 4, it is characterised in that：The drive device is also wrapped Hoist engine is included, the hoist engine drives niggerhead to rotate by the worm reduction gear with self-locking mechanism.

A kind of 6. bridge-type blending reclaimer of double bucket wheel according to claim 1, it is characterised in that：The running gear includes Main door frame and end-rack, the main door top of the trellis are provided with the rotary round table of support revolving gear, the both ends point of the main body crane span structure It is not connected with revolving gear and end-rack.

A kind of 7. bridge-type blending reclaimer of double bucket wheel according to claim 6, it is characterised in that：The revolving gear includes Cycle steel construction and the floating bearing in rotary round table, the lower end of the cycle steel construction are arranged on floating bearing.

A kind of 8. bridge-type blending reclaimer of double bucket wheel according to claim 1, it is characterised in that：The feeding device includes Traversing equipment and bridge-type sealing-tape machine on main body crane span structure, the bridge-type sealing-tape machine and main body crane span structure be arranged in parallel to be formed it is double Girder construction, twin-bucket wheel collecting mechanism and claw mechanism are provided with the traversing equipment, and traversing equipment drives twin-bucket wheel harvester Structure and the movement of claw mechanism are completed feeding and exported by bridge-type sealing-tape machine.

A kind of 9. bridge-type blending reclaimer of double bucket wheel according to claim 1, it is characterised in that：Under the running gear Side is provided with the charging gear for being used for that the material in feeding device to be transferred to ground adhesive tape machine.

A kind of 10. bridge-type blending reclaimer of double bucket wheel according to claim 1, it is characterised in that：Under the running gear The diagonal position of side is equipped with chute, deflector chute and impact idler, and the chute connects with deflector chute, and chute receives feeding device On material and ground adhesive tape machine is transferred to by deflector chute.