CN113371391B

CN113371391B - Feeding device for rapidly switching transportation and working states of crushing and screening equipment

Info

Publication number: CN113371391B
Application number: CN202110708446.XA
Authority: CN
Inventors: 郑海彬; 冯敏; 郑永生
Original assignee: Xuzhou XCMG Mining Machinery Co Ltd
Current assignee: Xuzhou XCMG Mining Machinery Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-15
Anticipated expiration: 2041-06-25
Also published as: CN113371391A

Abstract

The utility model provides a broken screening equipment fast switch over transportation and operating condition's feeder, includes broken host computer, the main frame is connected with the feeding conveyer through transportation and work auto-change over device and gyro wheel slider, the head of feeding conveyer is close to broken host computer, transportation and work auto-change over device are including articulated conveyor support frame and swing support frame together, conveyor support frame links together with the feeding conveyer, swing support frame is in the same place with the main frame is articulated, be equipped with the width of cloth hydro-cylinder between swing support frame and the main frame. The feeding device for rapidly switching the transportation state and the working state of the crushing and screening equipment has the advantages that the transportation state and the working state are simply, rapidly and safely switched, other parts such as a crushing main machine hopper and the like are not required to be disassembled or folded in the switching process, the single oil cylinder achieves the switching of the transportation state and the working state, and the purpose of simply, rapidly and safely switching the two states of the feeding device in the crushing and screening equipment can be achieved.

Description

Feeding device for rapidly switching transportation and working states of crushing and screening equipment

Technical Field

The invention relates to the technical field of aggregate feeding and conveying, in particular to a feeding device for quickly switching transportation and working states of crushing and screening equipment.

Background

At present, the feeding device in the crushing and screening equipment has various forms, and the structural principles for realizing transportation and working states are different. The mode that a feeding device and a screening machine synchronously lift exists in the similar products, the mode needs oil cylinders on two sides to provide larger lifting force, and meanwhile, the stretching of the feeding device needs telescopic oil cylinders on two sides of a feeding conveyor to achieve the purposes of complex structure, high cost and more fault points. The independent lifting and stretching of a feeding device in the crushing and screening equipment are also commonly realized by a plurality of oil cylinders. Need directly for this kind of structure operating mode of broken host computer pay-off to feeder, generally for more efficient feed and prevent leaking the material, the feeder head is nearer apart from host computer pan feeding mouth, and feeder bottom relevant part (like cleaning device, protection rubber) collides with host computer pan feeding mouth part easily at the flexible in-process of feeder. How to reasonably and effectively avoid the collision between the main machine and the feeding device in the lifting and stretching process of the feeding device is urgently needed to be solved. It is important to find a device and method that can achieve rapid switching between transport and operating states.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a feeding device which has a simple structure and is convenient to operate and used for rapidly switching the transportation and working states of crushing and screening equipment.

The invention is realized by the following technical scheme: the utility model provides a crushing and screening equipment fast switch over transportation and operating condition's feeder, includes broken host computer, broken host computer sets up on the main frame, the main frame is connected with the feeding conveyer through transportation and work auto-change over device and gyro wheel slider, the afterbody and the gyro wheel slider of feeding conveyer link together, the head of feeding conveyer is close to broken host computer, transportation and work auto-change over device are including articulated conveyer support frame and swing support frame together, the conveyer support frame links together with the feeding conveyer, the swing support frame is articulated together with the main frame, be equipped with the luffing cylinder between swing support frame and the main frame, the afterbody of feeding conveyer is equipped with the feeder hopper.

It further comprises the following steps: the conveying support frame comprises support plates and support beams, wherein the support plates are arranged at two ends of each support beam.

The main frame is provided with a front limiting plate and a rear limiting plate at the joint of the main frame and the swing support frame.

Two roller sliding devices are symmetrically arranged below the feeding conveyor.

The roller sliding device comprises a roller and a guide rail, a cross shaft connected with the roller is arranged on the main rack, a limiting bolt is arranged at one end of the cross shaft, and an end baffle, a baffle bolt and an oil injection nozzle are arranged on the end face of the roller; the guide rail is fixed at the bottom of the feeding conveyor, and both ends of the guide rail are provided with punched holes.

The head of the feeding conveyor is provided with a driving motor, a conveying belt, a head sweeper, a driving roller and a connecting seat, and the two ends of the driving roller are provided with the driving motor.

The head of the feeding conveyor is provided with a plurality of reserved mounting holes of the head sweeper.

The invention has the following advantages: the feeding device for rapidly switching the transportation state and the working state of the crushing and screening equipment has the advantages that the transportation state and the working state are switched simply, rapidly and safely, other parts such as a crushing main machine hopper and the like are not required to be disassembled or folded in the switching process, the single oil cylinder achieves switching of the transportation state and the working state, and the purpose of simply, rapidly and safely switching the two states of the feeding device in the crushing and screening equipment can be achieved.

Drawings

FIG. 1 is a schematic view of the working state of the whole machine of the present invention;

FIG. 2 is a schematic view of the transportation state of the complete machine of the present invention;

FIG. 3 is an exploded view of the transport and work switching apparatus of the present invention;

FIG. 4 is an exploded view of the roller slide of the present invention;

FIG. 5 is a schematic view of the head construction of the feed conveyor of the present invention;

in the figure: 1. the device comprises a crushing main machine, 2, a main frame, 3, a transportation and work switching device, 4, a feeding conveyor, 5, a feeding hopper, 6, a variable amplitude oil cylinder, 7, a roller sliding device, 31, a conveying support frame, 32, a swinging support frame, 33, a support plate, 34, a support beam, 35, a variable amplitude oil cylinder, 36, a front limit plate, 37, a rear limit plate, 41, a driving motor, 42, a conveying belt, 43, a head cleaner, 44, a driving roller, 45, a connecting seat, 71, a roller, 72, a transverse shaft, 73, a limit bolt, 74, an end baffle, 75, a baffle bolt, 76, an oil nozzle, 77, a guide rail, 78 and a long hole.

Detailed Description

As shown in fig. 1 to 5, the feeding device for rapidly switching transportation and working states of a crushing and screening device includes a crushing main machine 1, the crushing main machine 1 is disposed on a main machine frame 2, the main machine frame 2 is connected to a feeding conveyor 4 through a transportation and work switching device 3 and a roller sliding device 7, a tail portion of the feeding conveyor 4 is connected to the roller sliding device 7, a head portion of the feeding conveyor 4 is close to the crushing main machine 1, the transportation and work switching device 3 includes a conveying support frame 31 and a swing support frame 32 which are hinged together, the conveying support frame 31 is connected to the feeding conveyor 4, the swing support frame 32 is hinged to the main machine frame 2, a variable amplitude cylinder 6 is disposed between the swing support frame 32 and the main machine frame 2, and a feeding hopper 5 is disposed at the tail portion of the feeding conveyor 4. The invention relates to a feeding device for quickly switching transportation and working states of crushing and screening equipment, which mainly comprises a crushing main machine, a feeding conveyor and a transportation and working switching device, wherein the crushing main machine is arranged on the main machine frame, the feeding conveyor is connected with the main machine frame through the transportation and working switching device, the head of the feeding conveyor is arranged on one side of the crusher, a roller sliding device is arranged between the tail of the feeding conveyor and the main machine frame, the transportation and working switching device comprises a conveying support frame and a swinging support frame, two bent vertical plates in the middle of the swinging support frame are provided with coaxial mounting holes, one end of a piston rod of a variable amplitude oil cylinder is connected through a pin shaft to form an oil cylinder rod rotating shaft center, and the cylinder end of the variable amplitude oil cylinder is connected to a lug plate in the middle of the main machine frame through a pin shaft to form a cylinder rotating shaft center to play a supporting and rotating role. In the transportation and folding auto-change over device, transport support frame and swing support frame pin joint should be closer to broken host computer one side for the initial setting of the pin joint of swing support frame and main frame, and this kind of arrangement benefit lies in that feeder can switch to the transport state by operating condition when the change width of cloth hydro-cylinder contracts, can make the prior trend of a promotion of feeder this moment in order to avoid broken host computer and conveyer head sweeper collision. After collision is avoided, when the hinged point of the conveying support frame and the swinging support frame is gradually far away from the crushing host machine relative to the hinged point of the swinging support frame and the main frame, the feeding device can gradually fall and finally the amplitude-variable oil cylinder completely contracts, and the feeding device is switched from the working state to the transportation state.

As shown in figures 1 to 5, the feeding device for rapidly switching the transportation and working states of the crushing and screening equipment comprises a supporting plate 33 and a supporting beam 34, wherein the supporting plate 33 is arranged at two ends of the supporting beam 34. The main frame 2 is provided with a front stopper 36 and a rear stopper 37 at the connection with the swing support frame 32. The conveying support frame of the invention supports the two side support plates by the middle support beam, the upper end of the conveying support frame in the whole device plays a role of supporting a conveyor, and the lower ends of the two side support plates are fixed with lug plates at two sides of the swing support frame through pin shafts to form an upper rotating shaft center. And meanwhile, the lug plates at the lower ends of the two sides of the swing support frame are connected with the fixed lug plates at the two sides on the main rack through pin shafts to form a lower part rotating shaft center. The front and the back of the connecting lug plates on the two sides of the main frame are respectively provided with a front limiting plate and a back limiting plate to limit the forward and backward excessive swing of the swing supporting frame, and the structure is designed to prevent the danger that the conveying device collides with related components or slides down due to the failure of the amplitude-variable oil cylinder or the stroke error of the oil cylinder.

A feeding device for rapidly switching transportation and working states of crushing and screening equipment is shown in figures 1 to 5, and two roller sliding devices 7 are symmetrically arranged below a feeding conveyor 4. The roller sliding device 7 comprises a roller 71 and a guide rail 77, a transverse shaft 72 connected with the roller 71 is arranged on the main frame 2, a limiting bolt 73 is arranged at one end of the transverse shaft 72, and an end baffle 74, a baffle bolt 75 and an oil injection nozzle 76 are arranged on the end face of the roller 71; the guide rail is fixed at the bottom of the feeding conveyor 4, and both ends of the guide rail 77 are provided with punched holes 78. The roller sliding device mainly comprises a roller, a transverse shaft, a guide rail, an oil injection nozzle, an end baffle, a limiting bolt and a baffle bolt. The left side and the right side of the feeding device are respectively provided with a set of roller rolling devices which are in a symmetrical structure, and the description is carried out by taking a single side. A transverse shaft in the roller rolling device penetrates through a shaft sleeve on a main frame, and one end of the outer side of the roller rolling device is limited through a bolt to prevent the transverse shaft from moving inwards. The roller is penetrated through one end of the inner side of the cross shaft, and end baffles are arranged at the end parts of the cross shaft and the roller to prevent the roller and the cross shaft from overlarge relative movement. Two threaded holes are formed in one end of the cross shaft, the end baffle and the cross shaft are tightly pressed through the threaded holes in the cross shaft by the baffle bolts, and a gap needs to be reserved between the roller and the end baffle during pressing so that the roller can freely rotate. The axle center of the inner side of the cross shaft is provided with a threaded hole for installing the oil filling nozzle, meanwhile, the cross shaft is transversely provided with a through hole which penetrates through the oil filling nozzle installation hole, and lubricating grease can flow into a gap between the cross shaft and the roller through the oil filling nozzle so that the roller does not have a clamping stagnation phenomenon when rolling. The feeding device slides on the guide rail when switching transportation and working states, the upper end of the guide rail is fixed at the bottoms of the cross beams on the two sides of the feeding conveyor through bolts, and long holes are reserved on the side surfaces of the two ends of the guide rail, so that an oil injection nozzle at the end part of the cross shaft can be exposed, and lubricating grease can be conveniently and timely filled.

As shown in fig. 1 to 5, the feeding device for rapidly switching transportation and working states of the crushing and screening equipment is characterized in that the head of the feeding conveyor 4 is provided with a driving motor 41, a conveying belt 42, a head sweeper 43, a driving roller 44 and a connecting seat, and the two ends of the driving roller 44 are provided with the driving motor 41. The head of the feeding conveyor 4 is provided with a plurality of reserved mounting holes for the head sweeper 43. The feeding and conveying device mainly comprises a feeding conveyor and a feeding hopper. The bottom of the feed hopper is directly arranged at two sides of the feeding conveyor. The feeding position of the head of the feeding conveyor is close to the crushing main machine, so that the influence on the switching between the transportation state and the working state is easily caused, and the feeding and conveying head device is mainly introduced here. The feeding and conveying head device mainly comprises a driving motor, a conveying belt, a head sweeper, a driving roller and a connecting seat. The feeding conveying driving mode adopts a two-side double-motor driving structure, the arrangement can provide large driving force for the conveyor, the gravity center of the conveyor is not influenced, the conveyor deviates towards two sides, and the operation is stable. Be equipped with a plurality of sweeper connecting seat mounting holes in drive motor mount pad lower part, the head sweeper can be connected with the conveyer through the connecting seat, and a plurality of mounting holes of reserving can be according to the mounted position of concrete position control sweeper.

Claims

1. The utility model provides a feeding device of crushing and screening equipment fast switch over transportation and operating condition which characterized in that: comprises a crushing main machine (1), the crushing main machine (1) is arranged on a main machine frame (2), the main frame (2) is connected with a feeding conveyor (4) through a transportation and work switching device (3) and a roller sliding device (7), the tail part of the feeding conveyor (4) is connected with a roller sliding device (7), the head of the feeding conveyor (4) is close to the crushing main machine (1), the transportation and work switching device (3) comprises a conveying support frame (31) and a swinging support frame (32) which are hinged together, the conveying support frame (31) is connected with the feeding conveyor (4), the swing support frame (32) is hinged with the main rack (2), a variable-amplitude oil cylinder (6) is arranged between the swing support frame (32) and the main rack (2), and a feed hopper (5) is arranged at the tail part of the feeding conveyor (4);

in a working state, a hinge point between the conveying support frame (31) and the swinging support frame (32) is close to the crushing main machine (1) relative to a hinge point between the swinging support frame (32) and the main machine frame (2);

the conveying support frame (31) comprises a support plate (33) and a support beam (34), and the support plate (33) is arranged at two ends of the support beam (34);

a front limiting plate (36) and a rear limiting plate (37) are arranged at the connection part of the main frame (2) and the swing supporting frame (32);

the roller sliding device (7) comprises a roller (71) and a guide rail (77), a transverse shaft (72) connected with the roller (71) is arranged on the main rack (2), a limiting bolt (73) is arranged at one end of the transverse shaft (72), and an end baffle (74), a baffle bolt (75) and an oil injection nozzle (76) are arranged on the end face of the roller (71); the guide rail is fixed at the bottom of the feeding conveyor (4), and both ends of the guide rail (77) are provided with long holes (78).

2. A feeder apparatus for a crushing and screening device which switches transport and operating conditions rapidly as claimed in claim 1, wherein: two roller sliding devices (7) are symmetrically arranged below the feeding conveyor (4).

3. A feeding device for a crushing and screening apparatus to switch between transport and working conditions rapidly as claimed in claim 1, wherein: the head of the feeding conveyor (4) is provided with a driving motor (41), a conveying belt (42), a head cleaner (43), a driving roller (44) and a connecting seat (45), and the two ends of the driving roller (44) are provided with the driving motor (41).

4. A feeder apparatus for a crushing and screening device which switches transport and operating conditions rapidly as claimed in claim 3, characterised in that: the head of the feeding conveyor (4) is provided with a plurality of reserved mounting holes of the head sweeper (43).