CN215029505U

CN215029505U - Hydraulic operating device for replacing hammer head of large hammer crusher

Info

Publication number: CN215029505U
Application number: CN202121037666.6U
Authority: CN
Inventors: 田中言; 白成瑞; 袁希魁
Original assignee: Haihui Group Co ltd
Current assignee: Haihui Group Co ltd
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2021-12-07
Anticipated expiration: 2031-05-15

Abstract

The utility model provides a hydraulic operating device for changing a hammer head of a large hammer crusher, which comprises a main frame, wherein an oil cylinder is arranged between two cross rods at the top end of the main frame, the rear end of the oil cylinder is connected with a limiting device fixedly connected on the main frame, and the front part of the oil cylinder is connected with a supporting device which is connected on the main frame in a sliding way; the oil cylinder is connected with the reversing valve through an oil supply pipe, the reversing valve and the oil pump motor are both installed on an oil tank, and the oil tank is located on the outer side of the main frame. The utility model discloses a hydraulic oil top removal method, the operation is safe simple, and the ejecting power is big, does not hinder the equipment part, and the dismouting of being convenient for is more than the striking hammering the triple of dismouting on improving the working efficiency, is the reliable supporting product of maintenance of equipment ideal.

Description

Hydraulic operating device for replacing hammer head of large hammer crusher

Technical Field

The utility model relates to a large-scale hammer crusher reloads tup hydraulic operating means belongs to breaker tup reloading equipment technical field.

Background

The large hammer crusher is mainly applied to engineering projects such as chemical engineering, cement production, large sandstone aggregate production and the like, and is suitable for crushing various raw materials such as limestone, marl, sandstone, shale, gypsum, coal and the like with the compressive strength of less than 150 MPa. The method can crush the large ore conveyed by the stope to the required granularity at one time and can crush the large ore into the aggregate for construction at one time, thereby replacing the traditional crushing process, simplifying the process flow and saving the investment and the production cost.

The large hammer crusher has large crushing ratio, high yield and small granularity, the gap between the impact plate and the hammer head needs to be irregularly adjusted, the hammer head is seriously abraded, and the hammer head needs to be replaced after the large hammer crusher is used for a period of time. The hammer head is a core part of the crusher, so that the replacement difficulty is high, a large amount of time is wasted, and the production is influenced; the reason is that the disassembly of hoisting the shell and the component string shaft is needed for replacing the hammer head, and the long-time operation of the equipment causes serious abrasion of the components and takes much labor and time for disassembly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a large-scale hammer crusher reloads tup hydraulic pressure operating means, concrete technical scheme is:

the hydraulic operating device for replacing the hammer head of the large hammer crusher comprises a main frame, wherein an oil cylinder is arranged between two cross rods at the top end of the main frame, the rear end of the oil cylinder is connected with a limiting device fixedly connected to the main frame, and the front part of the oil cylinder is connected with a supporting device which is connected to the main frame in a sliding manner; the oil cylinder is connected with the reversing valve through an oil supply pipe, the reversing valve and the oil pump motor are both installed on an oil tank, and the oil tank is located on the outer side of the main frame.

Preferably, stop device includes first crossbeam, the first fixed plate of fixed connection respectively at the both ends of first crossbeam, bolted connection first type board is passed through in the outside of first fixed plate, the horizontal pole on sliding connection main frame top in the first square through-hole that forms between first fixed plate and the first type board, the middle part of first crossbeam is equipped with the journal stirrup that is used for being connected with the hydro-cylinder rear end.

Furthermore, the first fixing plate and the first convex-shaped plate are provided with corresponding pin holes, the cross rod is provided with a plurality of circular through holes arranged at equal intervals, and pins inserted into the pin holes penetrate through the circular through holes.

Preferably, the supporting device comprises a second beam, two ends of the second beam are respectively and fixedly connected with a second fixing plate, the outer side of the second fixing plate is connected with a second convex-shaped plate through a bolt, and a second square through hole formed between the second fixing plate and the second convex-shaped plate is in sliding connection with a cross rod at the top end of the main frame; the middle part of second crossbeam is equipped with the arc notch, the front portion of hydro-cylinder is passed through the arc clamp and is in the arc notch with its joint, the arc clamp passes through bolt and second crossbeam fixed connection.

Preferably, the main frame comprises a first square frame and a second square frame, and the bottoms of the first square frame and the second square frame are connected through a connecting rod.

The utility model discloses a hydraulic oil top removal method, the operation is safe simple, and the ejecting power is big, does not hinder the equipment part, and the dismouting of being convenient for is more than the striking hammering the triple of dismouting on improving the working efficiency, is the reliable supporting product of maintenance of equipment ideal.

Drawings

Fig. 1 is a front view of the hydraulic operating device for replacing the hammer head of the large hammer crusher.

Fig. 2 is a schematic structural view of the limiting device of the present invention.

Fig. 3 is a schematic structural diagram of the supporting device of the present invention.

In the figure: 1. a main frame; 101. a first square frame; 2. a cross bar; 3. an oil cylinder; 4. a limiting device; 401. a first cross member; 402. a first fixing plate; 403. a first letter-shaped plate; 404. a first square through hole; 405. supporting a lug; 5. a support device; 501. a second cross member; 502. a second fixing plate; 503. a second letter-shaped plate; 504. a second square through hole; 505. an arc-shaped notch; 506. an arc-shaped hoop; 6. an oil supply pipe; 7. a diverter valve; 8. an oil pump motor; 9. an oil tank; 10. a circular through hole; 11. a pin; 12. and a push rod.

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.

As shown in fig. 1-3, the hydraulic hammer head operating device for replacing a hammer head of a large hammer crusher comprises a main frame 1, wherein the main frame 1 comprises a first square frame 101 and a second square frame, and the bottoms of the first square frame 101 and the second square frame are connected through a connecting rod. An oil cylinder 3 is arranged between the two cross rods 2 at the top end of the main frame 1, the rear end of the oil cylinder 3 is connected with a limiting device 4 fixedly connected to the main frame 1, and the front part of the oil cylinder 3 is connected with a supporting device 5 connected to the main frame 1 in a sliding manner; the oil cylinder 3 is connected with a reversing valve 7 through an oil supply pipe 6, the reversing valve 7 and an oil pump motor 8 are both installed on an oil tank 9, and the oil tank 9 is located on the outer side of the main frame 1.

Stop device 4 includes first crossbeam 401, first fixed plate 402 of both ends difference fixed connection of first crossbeam 401, bolted connection first type board 403 is passed through in the outside of first fixed plate 402, sliding connection main frame 1 top's horizontal pole 2 in the first square through-hole 404 that forms between first fixed plate 402 and the first type board 403, the middle part of first crossbeam 401 is equipped with the journal stirrup 405 that is used for being connected with 3 rear ends of hydro-cylinder. The first fixing plate 402 and the first convex-shaped plate 403 are provided with corresponding pin holes, the cross rod 2 is provided with a plurality of circular through holes 10 arranged at equal intervals, and the pins 11 inserted into the pin holes penetrate through the circular through holes 10. The relative position of the cross rod 2 and the limiting device 4 is limited through the pin 11, and the purpose of adjusting the position of the oil cylinder 3 is achieved through the position movement of the limiting device 4.

1. A main frame; 101. a first square frame; 2. a cross bar; 3. an oil cylinder; 4. a limiting device; 401. a first cross member; 402. a first fixing plate; 403. a first letter-shaped plate; 404. a first square through hole; 405. supporting a lug; 5. a support device; 501. a second cross member; 502. a second fixing plate; 503. a second letter-shaped plate; 504. a second square through hole; 505. an arc-shaped notch; 506. an arc-shaped hoop; 6. an oil supply pipe; 7. a diverter valve; 8. an oil pump motor; 9. an oil tank; 10. a circular through hole; 11. a pin; 12. and a push rod.

The supporting device 5 comprises a second beam 501, two ends of the second beam 501 are respectively fixedly connected with a second fixing plate 502, the outer side of the second fixing plate 502 is connected with a second convex-shaped plate 503 through a bolt, and a second square through hole 504 formed between the second fixing plate 502 and the second convex-shaped plate 503 is connected with the cross rod 2 at the top end of the main frame 1 in a sliding manner; the middle part of second crossbeam 501 is equipped with arc notch 505, the front portion of hydro-cylinder 3 passes through arc clamp 506 with its joint in arc notch 505, the arc clamp passes through bolt and second crossbeam fixed connection. When the limiting device moves forwards and backwards, the supporting device 506 can slide on the cross rod 2 through the second square through hole 504, and the supporting device 5 is used for supporting the oil cylinder 3.

The utility model discloses a theory of operation does:

when the hammer of the crusher needs to be replaced, a power supply of a hydraulic station is turned on, an oil pump motor 8 is started, an oil pump starts to work, a reversing valve 7 is started to be switched to move, the oil pump conveys hydraulic oil in an oil tank 9 to an oil cylinder 3 through an oil supply pipe 6, a top rod of the oil cylinder 3 extends out 12 to enable the top rod to be over against the hammer tandem shaft position of the crusher, and when the hammer tandem shaft position of the crusher is reached, the top rod 12 continuously extends out to slowly eject the hammer tandem shaft in a rotor disc; then the reversing valve 7 is started to reversely switch, the ejector rod 12 of the oil cylinder 3 retracts, and the worn hammer head can be replaced by a new hammer head after being taken out. The position of the oil cylinder 3 can be adjusted through the cooperation of the pin 11 and the limiting device 4, so that the extending ejector rod 12 can meet the requirement of disassembling all hammers on the rotor disc.

The utility model has the advantages of compact structure, installation adjustment are convenient, long service life, change original striking hammer removal method into hydraulic oil top removal method, the dismouting is simple, and equipment operation is nimble. The device is safe in disassembly and assembly operation, large in jacking force, free of damage to equipment parts and capable of improving working benefits. The hydraulic pressure easy operation, the ejecting power is big, the dismouting of being convenient for, is more than three times of striking hammering dismouting on improving the working efficiency, is the supporting product device of maintenance equipment ideal reliable.

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. Large-scale hammer crusher reloads tup hydraulic operation device, its characterized in that: the device comprises a main frame, wherein an oil cylinder is arranged between two cross rods at the top end of the main frame, the rear end of the oil cylinder is connected with a limiting device fixedly connected to the main frame, and the front part of the oil cylinder is connected with a supporting device slidably connected to the main frame; the oil cylinder is connected with the reversing valve through an oil supply pipe, the reversing valve and the oil pump motor are both installed on an oil tank, and the oil tank is located on the outer side of the main frame.

2. The hydraulic operating device for reloading a hammer head of a large hammer crusher according to claim 1, wherein: the limiting device comprises a first cross beam, two ends of the first cross beam are fixedly connected with a first fixing plate respectively, the outer side of the first fixing plate is connected with a first convex-shaped plate through a bolt, a cross rod which is connected with the top end of the main frame in a sliding mode is arranged in a first square through hole formed between the first fixing plate and the first convex-shaped plate, and a support lug which is used for being connected with the rear end of the oil cylinder is arranged in the middle of the first cross beam.

3. The hydraulic operating device for reloading a hammer head of a large hammer crusher according to claim 2, wherein: the first fixing plate and the first convex-shaped plate are provided with corresponding pin holes, the cross rod is provided with a plurality of circular through holes arranged at equal intervals, and pins inserted into the pin holes penetrate through the circular through holes.

4. The hydraulic operating device for reloading a hammer head of a large hammer crusher according to claim 1, wherein: the supporting device comprises a second cross beam, two ends of the second cross beam are respectively and fixedly connected with a second fixing plate, the outer side of the second fixing plate is connected with a second convex-shaped plate through bolts, and a second square through hole formed between the second fixing plate and the second convex-shaped plate is in sliding connection with a cross rod at the top end of the main frame; the middle part of second crossbeam is equipped with the arc notch, the front portion of hydro-cylinder is passed through the arc clamp and is in the arc notch with its joint, the arc clamp passes through bolt and second crossbeam fixed connection.

5. The hydraulic operating device for reloading a hammer head of a large hammer crusher according to claim 1, wherein: the main frame comprises a first square frame and a second square frame, and the bottoms of the first square frame and the second square frame are connected through a connecting rod.