CN209885906U

CN209885906U - Impact frame hydraulic device for impact breaking

Info

Publication number: CN209885906U
Application number: CN201920423689.7U
Authority: CN
Inventors: 黄珠芹; 蒙剑秋; 黄报频; 李金凤
Original assignee: Guangxi Mei Star Construction Machinery Co Ltd
Current assignee: Guangxi Mei Star Construction Machinery Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-03
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a counterattack frame hydraulic means that counterattack was broken belongs to the hydraulic pressure adjusting device field, including spring adjustment structure, pneumatic cylinder, safety nut, seat, hydraulic push rod, the fixed ear of lead screw and safety screw, the pneumatic cylinder is fixed on the seat, the spring adjustment structure is fixed on the seat, and sets up the side at the pneumatic cylinder, the hydraulic push rod cover is established in the pneumatic cylinder, the fixed ear of lead screw sets up in the hydraulic push rod bottom, and the fixed ear of lead screw passes through the screw rod hookup with counterattack frame, safety screw bottom and counterattack frame are connected, and run through the seat, safety nut and safety screw threaded connection, and set up in the seat upper end. The flexible mode of pneumatic cylinder carries out angle modulation to the counterattack frame to reach the size of adjusting the breaker bin outlet, the ejection of compact size of control broken material.

Description

Impact frame hydraulic device for impact breaking

Technical Field

The utility model relates to a hydraulic pressure adjusting device field especially relates to a counterattack frame hydraulic means that counterattack was broken.

Background

At present, the adjusting mode of the impact frame of the impact crusher used in the market is mostly a mechanical manual adjusting mode, and the purpose of adjusting the angle of the impact frame is achieved by adjusting a screw rod and a nut through the impact. When the lead screw is broken, a lot of dust exists in the process of using the lead screw, factors such as moisture corrode the lead screw and the nut, and the adjusting difficulty is high. In addition, the counterattack frame is several tons in weight, and the feeding adjustment is carried out only through the screw rod and the nut, so that the counterattack frame is very laborious, high in working difficulty and low in efficiency. Sometimes the adjustment is completed by tapping the wrench for half a day. In the invention, through the optimized design, the hydraulic rod replaces the telescopic adjustment of the mechanical screw rod. The valve block controls the oil cylinder to stretch out and draw back, so that the angle of the impact frame can be adjusted, and the opening size of the crusher can be adjusted. Is very convenient, time-saving and labor-saving.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a counterattack frame hydraulic means that counterattack was broken to solve the manual difficulty of transferring of current counterattack formula breaker, technical problem that work efficiency is low.

The utility model provides a counterattack frame hydraulic means that counterattack was broken, includes spring adjustment structure, pneumatic cylinder, safety nut, seat, hydraulic push rod, the fixed ear of lead screw and insurance lead screw, the pneumatic cylinder is fixed on the seat, the spring adjustment structure is fixed on the seat, and sets up the side at the pneumatic cylinder, the hydraulic push rod cover is established in the pneumatic cylinder, the fixed ear of lead screw sets up in hydraulic push rod bottom, and the fixed ear of lead screw passes through the screw rod hookup with counterattack frame, insurance lead screw bottom is connected with counterattack frame, and runs through the seat, safety nut and insurance lead screw threaded connection, and set up in the present upper end.

Further, the number of the spring adjusting structures is two, and the two spring adjusting structures are respectively arranged on two sides of the hydraulic cylinder.

Further, the spring adjusting structure comprises a spring, a locking nut and a screw rod, the screw rod penetrates through the seat, the bottom of the screw rod is provided with a screw rod fixing lug and is connected with the shell of the crusher, the spring is sleeved in the screw rod and is arranged at the upper end of the seat, and the locking nut is in threaded connection with the screw rod to fix the top of the spring.

Further, the spring adjusting structure further comprises a spring gland, and the spring gland is arranged between the locking nut and the spring.

Further, the spring adjusting structure further comprises two gaskets and two rubber pads, the number of the gaskets is two, the rubber pads are clamped between the two gaskets, and the gaskets and the rubber pads are both sleeved in the screw rod and are arranged between the screw rod fixing lugs and the seat.

The impact frame is connected with the crusher through a rotating shaft, and the impact frame can rotate around the rotating shaft. The piston rod of the oil cylinder is connected with the counterattack frame through a fixing lug and a pin shaft. The safety screw rod is welded with the piston rod fixing lug. The oil cylinder is fixed with the supporting seat through a nut. Two groups of identical buffer spring devices are respectively arranged on two sides of the adjusting oil cylinder. The spring screw rod is connected with the crusher shell through the fixing lug and can rotate. The spring screw rod penetrates through the supporting seat, the spring is sleeved on the spring screw rod, one end of the spring is pressed on the supporting seat, and the upper end of the spring is locked by a spring pressing cover and a locking nut. When the spring is used, the locking screw teeth are locked, so that the spring has a certain pretightening force. The spring screw rod fixing lug supports against the supporting seat, so that the supporting seat cannot fall down. During adjustment, the impact frame can be controlled to rotate through the stretching of the hydraulic oil cylinder, the oil cylinder extends out, the impact frame is close to the rotor, the distance between the impact frame and the rotor is reduced at the moment, and the purpose of reducing a discharge port of the crusher is achieved. On the contrary, the oil cylinder is contracted, the impact frame is pulled away from the rotor, and the distance between the impact frame and the rotor is increased, so that the purpose of increasing the discharge port of the crusher is achieved. During operation, the impact of material is received to the counterattack frame, can promote the hydro-cylinder rearward movement, and the hydro-cylinder drives the supporting seat rearward movement, and the supporting seat will compress the spring this moment, and the spring has certain pretightning force to play the effect of buffering, and the during operation can be ceaselessly done small amplitude round trip movement. When the oil cylinder is debugged, firstly, a safety nut (generally double nuts are used) on the safety screw rod needs to be loosened, and after the oil cylinder is adjusted in place, the nut is tightened. In case of failure of the hydraulic oil cylinder in the working process, the whole impact frame can possibly rotate towards the rotor due to gravity, and when the rotor rotating at a high speed touches the falling impact frame, the whole machine can be cracked, so that great potential safety hazards are caused. At the moment, due to the existence of the safety screw rod, even if the hydraulic oil cylinder fails, the safety screw rod still holds the counterattack frame, and accidents caused by the fact that the counterattack frame rotates downwards to touch the rotor rotating at a high speed cannot be caused.

The utility model adopts the above technical scheme, the utility model discloses following technological effect has:

the utility model discloses a counterattack frame receives the impact of material, can promote the hydro-cylinder to move backward, the hydro-cylinder drives the supporting seat to move backward, the supporting seat will compress the spring this moment, the spring has certain pretightning force to play the effect of buffering, the small amplitude round trip movement can be done to the during operation ceaselessly, when debugging the hydro-cylinder, must loosen the safety nut (generally use two nuts) on the safety screw earlier, adjust in place, at last the safety nut, in case in the course of working, when hydraulic cylinder became invalid, it will probably whole counterattack frame rotates to the rotor because of gravity, and when the high-speed rotatory rotor met the counterattack frame that falls, can cause the bursting apart of complete machine, have very big potential safety hazard, and at this moment, because of having the existence of the safety screw, even hydraulic cylinder became invalid, still there is the safety screw to hold the counterattack frame, can not cause the counterattack frame to rotate downwards and touch the high-, the flexible mode of pneumatic cylinder carries out angle modulation to the counterattack frame to reach the size of adjusting the breaker bin outlet, the ejection of compact size of control broken material.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is another schematic side view of the present invention.

Fig. 4 shows the connection structure of the device and the impact frame of the present invention.

In the figure: 1-spring, 2-hydraulic cylinder, 3-locking nut, 4-spring gland, 5-safety nut, 6-seat, 7-gasket, 8-rubber pad, 9-screw, 10-hydraulic push rod, 11-screw rod fixing lug and 12-safety screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

Please refer to fig. 1-4, the utility model provides a counterattack frame hydraulic means that counterattack was broken, including spring adjustment structure, pneumatic cylinder 2, safety nut 5, seat 6, hydraulic push rod 10, lead screw fixed ear 11 and safety screw 12, pneumatic cylinder 2 is fixed on seat 6, the spring adjustment structure is fixed on seat 6, and sets up the side at pneumatic cylinder 2, hydraulic push rod 10 cover is established in pneumatic cylinder 2, lead screw fixed ear 11 sets up in hydraulic push rod 10 bottom, and lead screw fixed ear 11 passes through the screw rod hookup with counterattack frame, safety screw 12 bottom is connected with counterattack frame, and runs through seat 6, safety nut 5 and safety screw 12 threaded connection, and set up in seat 6 upper end.

Hydraulic oil is arranged in the hydraulic cylinder 2, and a leakage-proof ring is arranged at the sleeving end of the hydraulic push rod 10 and the hydraulic cylinder 2 to prevent the hydraulic oil from leaking during movement. The safety screw rod 12 and the safety nut 5 can effectively prevent the impact frame from falling off, and the impact frame is limited.

In the embodiment of the utility model provides an in, the quantity of spring adjustment structure is two, sets up the both sides at pneumatic cylinder 2 respectively. The number of the spring adjusting structures is not limited to two, and can be set according to requirements.

The embodiment of the utility model provides an in, the spring adjustment structure includes spring 1, lock nut 3 and screw rod 9, screw rod 9 runs through seat 6, and the bottom sets up to the screw rod and decides the ear, and is connected with the breaker casing, 1 cover of spring is established in screw rod 9, and sets up in 6 upper ends of seat, lock nut 3 and the 1 top of screw rod 9 threaded connection fixed spring.

In the embodiment of the utility model provides an in, the spring adjustment structure still includes spring gland 4, spring gland 4 sets up between lock nut 3 and spring 1. The spring gland 4 mainly serves to fix the top of the spring 1 so that the top of the spring 1 does not fall off the net.

The embodiment of the utility model provides an in, the spring adjustment structure still includes gasket 7 and rubber pad 8, the number of pieces of gasket 7 is two, rubber pad 8 presss from both sides and establishes between two gasket 7, gasket 7 and rubber pad 8 are all established in screw rod 9, and set up and decide between ear and seat 6 at the screw rod. The gasket 7 and the rubber pad 8 are mainly used for relieving the impact between the screw rod fixing lug and the seat 6, so that the friction can be reduced, the service life can be prolonged, and the like. The two gaskets 7 protect the rubber pad 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a broken counterattack frame hydraulic means of counterattack which characterized in that: including spring adjustment structure, pneumatic cylinder (2), safety nut (5), seat (6), hydraulic push rod (10), the fixed ear of lead screw (11) and safety screw (12), pneumatic cylinder (2) are fixed on seat (6), the spring adjustment structure is fixed on seat (6), and sets up the side at pneumatic cylinder (2), hydraulic push rod (10) cover is established in pneumatic cylinder (2), the fixed ear of lead screw (11) set up in hydraulic push rod (10) bottom, and lead screw fixed ear (11) and counterattack the frame and pass through the screw rod hookup, safety screw (12) bottom and counterattack the frame and be connected, and run through seat (6), safety nut (5) and safety screw (12) threaded connection, and set up in seat (6) upper end.

2. A hydraulic apparatus for a reaction frame for a reaction against a breakage according to claim 1, wherein: the number of the spring adjusting structures is two, and the two spring adjusting structures are respectively arranged on two sides of the hydraulic cylinder (2).

3. A hydraulic apparatus for a reaction frame for a reaction against a breakage according to claim 2, wherein: the spring adjusting structure comprises a spring (1), a locking nut (3) and a screw rod (9), the screw rod (9) penetrates through a seat (6), the bottom of the screw rod is provided with a screw rod fixing lug and is connected with a crusher shell, the spring (1) is sleeved in the screw rod (9) and is arranged at the upper end of the seat (6), and the locking nut (3) is connected with the screw rod (9) in a threaded mode to fix the top of the spring (1).

4. A hydraulic apparatus for a reaction frame for a reaction against a breakage according to claim 3, wherein: the spring adjusting structure further comprises a spring gland (4), and the spring gland (4) is arranged between the locking nut (3) and the spring (1).

5. A hydraulic apparatus for a reaction frame for a reaction against a breakage according to claim 3, wherein: the spring adjusting structure further comprises gaskets (7) and rubber pads (8), the number of the gaskets (7) is two, the rubber pads (8) are clamped between the two gaskets (7), and the gaskets (7) and the rubber pads (8) are both sleeved in the screw rod (9) and are arranged between the screw rod fixing lugs and the seat (6).