CN205146375U - Breaker overhauls device - Google Patents

Abstract

The utility model provides an overhaul device for a crusher, which includes a feed hopper, a crusher, a sliding track and a displacement beam. The crusher is placed above the sliding track, and the displacement beam is arranged above the sliding track. One side of the crusher, the sliding track is two parallel beams, the displacement beam is located on the upper surface of the sliding track and is perpendicular to the sliding track, the upper surface of the sliding track and the displacement beam are connected to the A plurality of circular holes are provided at the joints of the sliding tracks, and the moving crossbeam can be fixed on the upper surface of the sliding tracks by passing through the circular holes with fixing bolts. The crusher maintenance device is also provided with a hydraulic cylinder, one end of which is hinged to the connection structure of the crusher, and the piston at the other end of the hydraulic cylinder is connected to one side of the displacement beam. Quickly replace the wearing parts, improve the operating rate of the machine, shorten the maintenance time, and reduce the operating cost.

Description

Crusher maintenance device

technical field

The utility model belongs to the field of machinery, in particular to a breaker maintenance device.

Background technique

The crusher can be used to crush bulky garbage, municipal solid waste, etc., and is suitable for occasions where domestic waste incineration power plants, domestic waste sorting devices, domestic waste landfills and other facilities need to crush waste to a certain appropriate size. There are two hydraulically driven cutter shafts in the crushing bin of the crusher, and a cutter head is fixed on each cutter shaft. The two cutter shafts turn in opposite directions and have different speeds. Fertilizers are broken through a comprehensive process of tearing, shearing and extrusion effect is realized. The cutter head is fixed on the cutter shaft by welding, and the cutter head will be damaged to varying degrees through a large amount of shearing and extrusion during operation, so repair welding is required for repair. However, due to the large size and heavy weight of the crusher, it is necessary to move the crusher to the maintenance position during maintenance, and the internal structure of the crusher is tightly connected, which makes the maintenance work slow, resulting in long downtime and high maintenance costs, thus affect the economic performance of the enterprise.

Utility model content

In order to solve the defects existing in the existing crusher, the utility model provides a crusher maintenance device equipped with a displacement system, which can quickly replace the cutter shaft and other wearing parts and shorten the maintenance time.

The utility model adopts following technical scheme for solving the above problems:

A crusher overhaul device, characterized in that it includes a feeding hopper, a crusher, a sliding track and a displacement beam, the feeding hopper is assembled above the crusher, and the crusher is placed above the sliding track , the displacement beam is arranged on one side of the crusher above the sliding track;

The feed hopper includes a feed port and a feeder, the feed port and the feeder are connected by bolts, one side of the feeder is provided with a discharge door, and the other side of the feeder is provided with a A discharge door hydraulic cylinder that can drive the discharge door to work;

The interior of the crusher is provided with a cutter shaft, on which a cutter head is welded, and a bearing box is provided at both ends of the cutter shaft, and the bearing box includes an upper bearing box and a lower bearing box, and the upper bearing box It is connected with the lower bearing box by bolts, and the bottom of the crusher is provided with a floor support beam, and a connection structure is welded on one side of the support beam.

The sliding track is two parallel beams, the displacement beam is located on the upper surface of the sliding track and is perpendicular to the sliding track, the upper surface of the sliding track and the connection between the displacement beam and the sliding track are all provided with There are several round holes, and the moving crossbeam can be fixed on the upper surface of the sliding track through the round holes with fixing bolts;

The breaker maintenance device is also provided with a hydraulic cylinder, one end of the hydraulic cylinder is hinged to the connection structure of the breaker, and the piston at the other end of the hydraulic cylinder is connected to one side of the displacement beam.

Further, there are support beams welded between the sliding rails, and the number of the support beams is more than one.

Further, the feeder is a firmly welded steel structure, and the part of the feeder in contact with the material is bolted with a wear-resistant plate.

Further, the discharge door hydraulic cylinder is placed obliquely, one end of the discharge door hydraulic cylinder is hinged to the bottom plate surface of the feeder, and one end of the discharge door hydraulic cylinder is connected to the discharge door.

Further, both ends of the cutter shaft are supported by rolling bearings, and the rolling bearings are protected by a protective sleeve and a protective cover.

Further, the rolling bearing, the protective sleeve, the protective cover and the cutter head are all directly assembled on the cutter shaft.

Further, the material of the cutter shaft is forged alloy steel.

Further, the inner diameter of the round hole is the same as the outer diameter of the fixing bolt, and the number of the round hole is more than one, and the number of the fixing bolt is more than one.

The beneficial effects of the utility model are: to provide a breaker maintenance device, which is equipped with a displacement system composed of sliding guide rails, displacement beams and hydraulic cylinders, etc., wherein the hydraulic cylinder has a simple structure and reliable operation. The deceleration device is eliminated, and there is no transmission gap, and the movement is smooth. In addition, since the rolling bearing, the protective sleeve, the protective cover and the cutter head are all directly assembled on the cutter shaft, and the upper bearing box and the lower bearing box are connected by bolts, The entire shaft can be disassembled during the maintenance period of such a structure. This configuration can quickly replace the wearing parts, improve the operating rate of the machine, and facilitate the disassembly and reassembly of the entire cutter shaft during maintenance; through the displacement system, the cutter shaft and other Quick replacement of wearing parts shortens maintenance time and reduces operating costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation in use of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of the connection part between the cutter shaft and the rolling bearing.

In the figure, 1. Feed hopper 2. Crusher 3. Slide rail

4. Displacement beam 5. Hydraulic cylinder 6. Support beam

11. Material inlet 12. Feeder 13. Discharge gate

14. Discharge door hydraulic cylinder 15. Wear-resistant plate 21. Bearing box

22. Upper bearing box 23. Lower bearing box 24. Cutter shaft

25. Cutter head 26. Floor support frame 27. Connection structure

28. Rolling bearing 281. Protective sleeve 282. Protective cover

31. Round hole 32. Fixing bolt

detailed description

As shown in Figures 1-3, the utility model provides a crusher maintenance device, including a feed hopper 1, a crusher 2, a sliding track 3 and a displacement beam 4, the feed hopper 1 is assembled on the crusher 2 Above, the crusher 2 is placed above the sliding track 3, and the displacement beam 4 is arranged on one side of the crusher 2 above the sliding track 3.

The feed hopper 1 includes a feed port 11 and a feeder 12, the feed port 11 and the feeder 12 are connected by bolts, the feeder 12 is a firmly welded steel structure, the feeder 12 A wear-resistant plate 15 is bolted to the part in contact with the material. Due to the bolt connection, the wear-resistant plate 15 is easy to access to the wearable part and easy to replace. One side of the feeder 12 is provided with a discharge door 13. The other side of the feeder 12 is provided with a discharge gate hydraulic cylinder 14 that can drive the discharge gate 13 to work. The discharge gate hydraulic cylinder 14 is placed obliquely, and one end of the discharge gate hydraulic cylinder 14 is hinged on On the surface of the bottom plate of the feeder 12, one end of the discharge door hydraulic cylinder 14 is connected to the discharge door, and the discharge door 13 is hydraulically driven to discharge unbreakable materials from the equipment, reducing the impact on the equipment. Damage, thereby reducing the number of maintenance.

The inside of the crusher 2 is provided with a cutter shaft 24. The material of the cutter shaft 24 is forged alloy steel. A cutter head 25 is welded on the cutter shaft 24. Both ends of the cutter shaft 24 are supported by rolling bearings 28. The rolling bearing has a protective sleeve 281 and a protective cover 282. The rolling bearing 28, the protective sleeve 281, the protective cover 282 and the cutter head 25 are all directly assembled on the cutter shaft 24. Such a configuration can quickly replace the wearing parts. To improve the operating rate of the machine, the two ends of the cutter shaft 24 are provided with a bearing housing 21, the bearing housing 21 includes an upper bearing housing 22 and a lower bearing housing 23, and the upper bearing housing 22 and the lower bearing housing 23 are connected by bolts , the whole shaft can be disassembled during the maintenance period of such a structure, which is convenient for disassembly and reassembly of the entire cutter shaft 24 during maintenance. The bottom of the crusher 2 is provided with a floor support beam 26, and a connection structure is welded on one side of the support beam 26. 27.

The sliding track 3 is two parallel beams, the displacement beam 4 is located on the upper surface of the sliding track 3 and is perpendicular to the sliding track 3, the upper surface of the sliding track 3 and the displacement beam 4 are connected to the Slide track 3 joints are provided with some circular holes 31, and described mobile crossbeam 4 can use fixed pin 32 to pass described circular hole 31 and be fixed on described slide track 3 upper surface, and the inner diameter of described circular hole 31 is consistent with the described circular hole 31. The outer diameters of the fixing bolts 32 are the same. In this embodiment, the number of the circular holes 31 on the upper surface of each sliding guide rail 3 is 3, and the number of the circular holes 31 on the displacement beam 3 is 2. , the number of the fixed bolts 32 is two, and when the crusher 2 is working, the fixed bolts 32 can prevent the crusher 2 from moving left and right due to vibration.

The breaker maintenance device is also provided with a hydraulic cylinder 5, one end of the hydraulic cylinder 5 is hinged to the connecting structure 27 of the crusher 2, and the piston at the other end of the hydraulic cylinder 5 is connected to one of the displacement beams 4. side connection.

Supporting beams 6 are also welded between the sliding tracks 3. In this embodiment, the number of the supporting beams 6 is four, wherein two of the supporting beams 6 are welded in parallel with the sliding tracks 3, and the other two The support beam 6 is vertically welded to the sliding track 3, and the support beam 6 is arranged below the bottom surface of the crusher 2, and when the crusher 2 is working, it plays a supporting role, so that the crusher 2 work more smoothly.

When it is necessary to overhaul or replace the cutter shaft 24, first remove the bolts used to fix the feed hopper 1 and the crusher 2, then remove the fixing bolt 32 from the circular hole 31, and finally pass The hydraulic cylinder 5 drives the displacement cross bar 4 to drive the crusher 2 to move from the working position to the maintenance position. The cover 282 and the cutter head 25 are all directly assembled on the cutter shaft 24, and the upper bearing housing 22 and the lower bearing housing 23 are connected by bolts. The whole shaft can be removed during maintenance of such a structure. This configuration can make it easy to Rapid replacement of damaged parts improves the operating rate of the machine, facilitates the disassembly and reassembly of the entire cutter shaft 24 during maintenance; after the maintenance, the hydraulic cylinder 5 drives the crusher 2 to move back to the working position, and the Crusher maintenance device, the entire set of cutter shafts can be replaced within one shift (8 hours).

The above has described the utility model in detail through the examples, but the content described is only a preferred embodiment of the utility model, and cannot be considered as limiting the implementation scope of the utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (8)

1. A crusher overhaul device, characterized in that: it includes a feed hopper, a crusher, a sliding track and a displacement beam, the feed hopper is assembled above the crusher, and the crusher is placed on the slide Above the track, the displacement beam is arranged on one side of the crusher above the sliding track; The feed hopper includes a feed port and a feeder, the feed port and the feeder are connected by bolts, one side of the feeder is provided with a discharge door, and the other side of the feeder is provided with a A discharge door hydraulic cylinder that can drive the discharge door to work; The interior of the crusher is provided with a cutter shaft, on which a cutter head is welded, and a bearing box is provided at both ends of the cutter shaft, and the bearing box includes an upper bearing box and a lower bearing box, and the upper bearing box It is connected with the lower bearing box by bolts, the bottom of the crusher is provided with a floor support beam, and a connection structure is welded on one side of the support beam; The sliding track is two parallel beams, the displacement beam is located on the upper surface of the sliding track and is perpendicular to the sliding track, the upper surface of the sliding track and the connection between the displacement beam and the sliding track are all provided with There are several circular holes, and the displacement beam can be fixed on the upper surface of the sliding track through the circular holes with fixing bolts; The breaker maintenance device is also provided with a hydraulic cylinder, one end of the hydraulic cylinder is hinged to the connection structure of the breaker, and the piston at the other end of the hydraulic cylinder is connected to one side of the displacement beam. 2. The crusher maintenance device according to claim 1, characterized in that: there are support beams welded between the sliding rails, and the number of the support beams is more than one. 3. A crusher maintenance device according to claim 1, characterized in that: the feeder is a firmly welded steel structure, and the part of the feeder in contact with the material is bolted with a wear-resistant plate. 4. A crusher maintenance device according to claim 1, characterized in that: the discharge door hydraulic cylinder is placed obliquely, and one end of the discharge door hydraulic cylinder is hinged to the bottom plate surface of the feeder, so that One end of the discharge door hydraulic cylinder is connected with the discharge door. 5. A crusher maintenance device according to claim 1, characterized in that: both ends of the cutter shaft are supported by rolling bearings, and the rolling bearings are protected by protective sleeves and protective covers. 6. The crusher maintenance device according to claim 5, characterized in that: the rolling bearing, the protective sleeve, the protective cover and the cutter head are all directly assembled on the cutter shaft. 7. The breaker maintenance device according to claim 1, characterized in that: the material of the cutter shaft is forged alloy steel. 8. A breaker maintenance device according to claim 1, characterized in that: the inner diameter of the circular hole is the same as the outer diameter of the fixing bolt, and the number of the circular holes is more than one, and the The quantity of fixing pin is more than 1.