Crusher roller replacing device

Abstract

The utility model relates to the technical field of crusher rollers, in particular to a crusher roller replacing device which is characterized in that a lifting component, a push-pull component and a connecting piece are arranged, the connecting piece is fixed with a roller, and the roller can be pulled out through the push-pull component; and the roller is moved to the height at which the roller can be conveniently lifted and unloaded from the bearing plate through the lifting assembly. Similarly, a new roller can be pushed into the crusher main body through the push-pull assembly, so that the replacement of the roller is realized. The whole operation process is simple, convenient, time-saving, labor-saving and safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crusher roller, in particular to a crusher roller replacement device. BACKGROUND

[0002] Four-roller crusher is a kind of crusher. Four-roller crusher is mainly composed of driving motor, speed reducer, roller, cover shell, hydraulic system and other parts. Among them, the roller is an important part of the crusher, and the roller replacement is also an important content of the four-roller crusher repair. The roller generally includes upper roller and lower roller, and the common diameter of the roller is 1200mm, and the single weight is about 9t. But due to the belt conveyor, side floor and column obstruction above the inner side roller of the crusher, it cannot be replaced by electric hoist cooperation lifting. Currently, only four 5t hand chains can be used to drag out a little bit, and 10 people are needed to replace a roller, which takes 16 hours, not only time-consuming and laborious, but also has certain safety risk. UTILITY MODEL CONTENTS

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a crusher roller replacement device, which is used to solve the problem of time-consuming and laborious and safety risk in the prior art by using multiple hand chains to drag out the roller for replacement.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a crusher roller replacement device, the replacement device includes connecting piece, push-pull assembly, bearing plate and lifting assembly, the connecting piece is used for detachable fixed connection with the bearing seat of the roller, the push-pull assembly is connected with the connecting piece, the push-pull assembly is used for pulling out or pushing into the main body of the crusher, the push-pull assembly is arranged on the bearing plate, the bearing plate is used for placing the roller, the bearing plate is connected with the lifting assembly, and the lifting assembly is configured to drive the bearing plate to move vertically.

[0005] Optionally, the replacement device further includes a moving assembly and a slide rail, the moving assembly is slidingly fitted on the slide rail, and the lifting assembly is arranged on the moving assembly to drive the lifting assembly to move along the slide rail through the moving assembly.

[0006] Optionally, the replacement device further includes a control system, and the moving assembly, the lifting assembly and the push-pull assembly are electrically connected with the control system.

[0007] Optionally, the connecting piece is entirely in the form of a clasp ring structure, and the connecting piece can be clamped on the bearing seat of the roller.

[0008] The connecting piece includes a connecting plate and a dismounting frame, and the dismounting frame is detachably connected with the connecting plate.

[0009] Optionally, a screw rod is arranged on the connecting plate, and a through hole is arranged on the disassembling frame corresponding to the screw rod, and the disassembling frame is detachably connected with the connecting plate through the screw rod.

[0010] Optionally, the push-pull assembly comprises a push-pull motor, a three-shaft push-pull speed reducer, a push-pull worm, a push-pull worm wheel, a mounting plate and a push-pull rod, the push-pull motor, the three-shaft push-pull speed reducer and the mounting plate are fixedly arranged on the load-bearing plate, one end of the push-pull rod is fixedly connected with the connecting piece.

[0011] The push-pull motor is coaxially fixedly connected with the input shaft of the three-shaft push-pull speed reducer, two output shafts of the three-shaft push-pull speed reducer are coaxially fixedly connected with the push-pull worm respectively, each push-pull worm corresponds to a push-pull worm wheel, and the push-pull worm is engaged with the push-pull worm wheel.

[0012] The push-pull rod is arranged on the mounting plate, the push-pull rod is a lead screw, a limiting groove is arranged on the outer wall of the push-pull rod along the length direction of the push-pull rod, a limiting block is arranged on the inner wall of the mounting plate, the limiting block is arranged in the limiting groove, the push-pull worm wheel is coaxially arranged on the push-pull rod and is threadedly connected with the push-pull rod, and one end of the push-pull rod is fixedly connected with the connecting piece.

[0013] Optionally, the lifting assembly comprises a lifting motor, a three-shaft lifting speed reducer, a connecting shaft, a lifting worm, a lifting worm wheel, a lifting rod and a sliding block, the three-shaft lifting speed reducer is provided with three first, second and third motors, the lifting motor is coaxially fixedly connected with the input shaft of the first motor, two output shafts of the first motor are coaxially fixedly connected with the connecting shaft respectively, one end of each of the two connecting shafts away from the first motor is coaxially fixedly connected with the input shaft of the second motor and the third motor respectively, and the output shafts of the first motor and the second motor are coaxially fixedly connected with the lifting worm.

[0014] Each lifting worm corresponds to a lifting worm wheel and is engaged with the lifting worm wheel, the lifting rod is vertically rotatably arranged, each lifting worm wheel corresponds to a lifting rod and is coaxially fixedly arranged with the lifting rod, the lifting rod is a lead screw, each lifting rod corresponds to a sliding block and is threadedly connected with the sliding block, and the load-bearing plate is fixedly arranged on the sliding block.

[0015] Optionally, the lifting assembly further comprises a guide column, and the guide column is vertically arranged on the load-bearing plate.

[0016] A top sealing plate is arranged on the top of the guide column.

[0017] Optionally, a gap slot is arranged on the load-bearing plate, and the gap slot is used for placing the roller.

[0018] Optionally, the replacement device further comprises a body connecting handle, the body connecting handle is arranged on the load bearing plate, and one end of the body connecting handle is provided as a threaded structure.

[0019] The utility model discloses beneficial effects are:

[0020] By setting up lifting assembly, push-pull assembly and connecting piece, connecting piece and roller are fixed, the roller can be pulled out through push-pull assembly, and the roller is moved to the height convenient for lifting and unloading the roller from load bearing plate through lifting assembly.Similarly, the new roller can be pushed into the crusher main body through push-pull assembly, and the replacement of the roller is realized.The whole operation process is simple and convenient, saves time and effort, and is more safe. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the crusher roller replacement device in an embodiment of the utility model;

[0022] Figure 2 It is the structure schematic diagram of push-pull assembly in an embodiment of the utility model;

[0023] Figure 3 It is the structure schematic diagram of lifting assembly in an embodiment of the utility model;

[0024] Figure 4 It is the structure schematic diagram of connecting piece in an embodiment of the utility model;

[0025] Figure 5 It is the connecting structure schematic diagram of push-pull rod, mounting plate and push-pull worm in an embodiment of the utility model;

[0026] Figure 6 It is the position schematic diagram of limiting block and limiting groove in an embodiment of the utility model. DETAILED DESCRIPTION

[0027] Below referring to Figure 1 And Figure 6The utility model discloses a crusher roller replacement device. In the description of the embodiment, it needs to be understood that the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features, that is, one or more of the features. In the description of the utility model, the meaning of "a plurality of" is at least two, for example, two, three, etc. Unless otherwise specifically limited, when a certain feature "includes or contains" a certain or certain covered feature, this indicates that other features are not excluded and can further include other features, unless otherwise specifically described.

[0028] Unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected", "fixed", "coupled" and other terms should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0029] In addition, in the description of the embodiment, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. That is, in the description of the embodiment, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" or "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] In the description of the embodiment, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the utility model, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] As Figures 1-6The utility model discloses a kind of crusher roller replacement devices, replacement device includes connecting piece 1, push-pull assembly 2, bearing plate 3 and lifting assembly 4.Connecting piece 1 is used to be detachably fixed with the bearing seat of roller 91 Connection.Push-pull assembly 2 is connected with connecting piece 1, and push-pull assembly 2 is used to pull out or push into the main body 9 of crusher from roller 91.Push-pull assembly 2 is arranged on bearing plate 3, and bearing plate 3 is used to place roller 91.Bearing plate 3 is connected with lifting assembly 4, and lifting assembly 4 is configured to drive bearing plate 3 vertically moves.

[0032] When needing to replace roller 91, lifting assembly 4 is opened, lifting assembly 4 drives bearing plate 3 and push-pull assembly 2 on bearing plate 3 to move up and down together, until push-pull assembly 2 moves to the position corresponding to roller 91.Then drive push-pull assembly 2, push-pull assembly 2 drives connecting piece 1 to move together, until connecting piece 1 moves to the bearing seat of roller 91.Then connecting piece 1 is fixedly connected on the bearing seat of roller 91, and roller 91 is pulled out from the main body 9 of crusher through push-pull assembly 2, until roller 91 is pulled to bearing plate 3, and connecting piece 1 is detached from the bearing seat of roller 91.Again drive lifting assembly 4 to drive roller 91 to descend, to facilitate lifting roller 91 from bearing plate 3 and unloading.Subsequently, new roller 91 is placed on bearing plate 3.By the same token, new roller 91 can be pushed into the main body 9 of crusher by the cooperation of lifting assembly 4, push-pull assembly 2 and connecting piece 1, to realize the replacement of roller 91.Roller 91 is pulled out and pushed into the main body 9 of crusher by push-pull assembly 2, to realize the replacement of roller 91, and the operation process is more simple and convenient, saves time and effort, and is safer.

[0033] Further, connecting piece 1 is in the form of a clasp ring as a whole, and connecting piece 1 can be clamped on the bearing seat of roller 91.Connecting piece 1 includes a connecting plate 11 and a dismounting frame 12, and the dismounting frame 12 is detachably connected with the connecting plate 11.

[0034] When needing to fix connecting piece 1 on the bearing seat of roller 91, dismounting frame 12 is detached from connecting plate 11, and connecting plate 11 is pushed to the bearing seat by push-pull assembly 2, then dismounting frame 12 is connected with connecting plate 11, so that the bearing seat is clamped in the clasp ring formed by dismounting frame 12 and connecting plate 11, which is simple in structure and convenient to operate.

[0035] In other embodiments of the present application, connecting piece 1 adopts an electromagnetic suction disc, and the suction disc is adsorbed on the bearing seat of roller 91 to realize pulling out and pushing in of roller 91.

[0036] Further, the connecting plate 11 is provided with a screw rod 13, and the dismounting frame 12 is provided with a through hole corresponding to the screw rod 13. The dismounting frame 12 and the connecting plate 11 are detachably connected through the screw rod 13. By arranging the screw rod 13, the size of the clamping ring formed by the connecting plate 11 and the dismounting frame 12 can be adjusted, so that the bearing seat of different specifications can be adapted, and the application range is wider.

[0037] Further, the push-pull assembly 2 comprises a push-pull motor 21, a three-shaft push-pull speed reducer 22, a push-pull worm 23, a push-pull worm gear 24, a mounting plate 25 and a push-pull rod 26. One end of the push-pull rod 26 is fixedly connected with the connecting piece 1. Alternatively, one end of the push-pull rod 26 is fixedly connected with the connecting plate 11. The push-pull motor 21 and the three-shaft push-pull speed reducer 22 are both fixedly arranged on the load-bearing plate 3. The push-pull motor 21 is coaxially fixedly connected with the input shaft of the three-shaft push-pull speed reducer 22, and the two output shafts of the three-shaft push-pull speed reducer 22 are respectively coaxially fixedly connected with the push-pull worms 23. The three-shaft push-pull speed reducer 22 is driven by the push-pull motor 21, and then drives the push-pull worms 23 at both ends to rotate. Alternatively, the load-bearing plate 3 is further provided with a worm bearing seat, and one end of the push-pull worm 23 away from the three-shaft push-pull speed reducer 22 is rotatably connected to the worm bearing seat, so that the rotation of the push-pull worm 23 is more stable. Each push-pull worm 23 corresponds to a push-pull worm gear 24, and the push-pull worm 23 is engaged with the push-pull worm gear 24, and the rotation of the push-pull worm 23 can drive the push-pull worm gear 24 to rotate. The mounting plate 25 is also fixedly arranged on the load-bearing plate 3, and the push-pull rod 26 is arranged on the mounting plate 25. The push-pull rod 26 is a lead screw, and a limiting groove 261 is arranged on the outer wall of the push-pull rod 26 along the length direction of the push-pull rod 26. A limiting block 251 is arranged on the inner wall of the mounting plate 25, and the limiting block 251 is arranged in the limiting groove 261. The push-pull worm gear 24 is coaxially arranged on the push-pull rod 26 and is threadedly connected with the push-pull rod 26. When the push-pull worm gear 24 rotates, the push-pull rod 26 can only translate along the axis due to the cooperation of the limiting block 251 and the limiting groove 261, so as to drive the connecting piece 1 on the push-pull rod 26 to move, thereby realizing the push-pull of the roller 91.

[0038] Further, the lifting assembly 4 comprises a lifting motor 41, a three-shaft lifting speed reducer, a connecting shaft 45, a lifting worm 46, a lifting worm wheel 47, a lifting rod 48 and a sliding block 49. The three-shaft lifting speed reducer is provided with three first, second and third motors 42, 43 and 44 respectively. The lifting motor 41 is coaxially fixedly connected with an input shaft of the first motor 42, and two output shafts of the first motor 42 are coaxially fixedly connected with the connecting shaft 45 respectively. The two connecting shafts 45 are coaxially fixedly connected with input shafts of the second motor 43 and the third motor 44 at their ends away from the first motor 42 respectively. The output shafts of the first motor 42 and the second motor 43 are coaxially fixedly connected with the lifting worm 46. The lifting motor 41 drives the input shaft of the first motor 42 to rotate, and then drives the rotating shaft to rotate synchronously with the output shaft of the first motor 42. The rotation of the rotating shaft drives the output shafts of the second motor 43 and the third motor 44 to rotate synchronously, so as to drive the output shafts of the second motor 43 and the third motor 44 to rotate synchronously with the lifting worm 46. Each lifting worm 46 is provided with a corresponding lifting worm wheel 47 and is engaged with the lifting worm wheel 47. The rotation of the lifting worm 46 drives the corresponding lifting worm wheel 47 to rotate. The lifting rod 48 is vertically rotatably arranged. Each lifting worm wheel 47 is coaxially fixedly arranged with a corresponding lifting rod 48. The rotation of the lifting worm wheel 47 drives the coaxial rotation of the lifting rod 48. The lifting rod 48 is a lead screw. Each lifting rod 48 is threadedly connected with a corresponding sliding block 49. The bearing plate 3 is fixedly arranged on the sliding block 49. When the lifting rod 48 rotates, the sliding block 49 is limited to rotate by the bearing plate 3, so that the sliding block 49 can only vertically slide along the lifting rod 48, thereby driving the bearing plate 3 to move up and down.

[0039] Further, the lifting assembly 4 further comprises a guide column 5 vertically penetrating the bearing plate 3. Optionally, the guide column 5 is provided with four guide columns 5 penetrating four corners of the bearing plate 3 respectively. By arranging the guide column 5, the up and down movement of the bearing plate 3 is more stable.

[0040] Further, the top of the guide column 5 is provided with a top sealing plate 6, which prevents the bearing plate 3 from being separated from the guide column 5.

[0041] Further, the bearing plate 3 is provided with a gap slot 31. When the roller 91 is pulled out to the bearing plate 3 by the push-pull assembly 2, the main body of the roller 91 is in the gap slot 31, and the bearing seat of the roller 91 is arranged on the bearing plate 3, so that the roller 91 is placed more stably on the bearing plate 3.

[0042] Further, the replacement device further comprises a moving assembly 7 and a sliding rail 73, the moving assembly 7 is slidingly fitted on the sliding rail 73. The lifting assembly 4 is arranged on the moving assembly 7, so as to drive the lifting assembly 4 to move along the sliding rail 73 through the moving assembly 7. By arranging the moving assembly 7 and the sliding rail 73, when the roller 91 is pulled out to the load bearing plate 3 through the pushing and pulling assembly 2, the roller 91 can be moved to a position far away from the crusher main body 9 along the sliding rail 73, so that the roller 91 is more convenient to be lifted off from the load bearing plate 3.

[0043] Further, the moving assembly 7 comprises a bottom plate 72, a pulley 71 and a pulley 71 driving assembly, the pulley 71 driving assembly is arranged on the bottom plate 72, the pulley 71 is arranged on the pulley 71 driving assembly, and the pulley 71 driving assembly is used to drive the pulley 71 to rotate. The pulley 71 is arranged on the bottom plate 72 and rollingly fitted with the sliding rail 73. The lifting assembly 4 is arranged on the bottom plate 72. Optionally, the pulley 71 driving assembly can adopt a common motor and gear driving form.

[0044] Further, the replacement device further comprises a body connecting handle 8, the body connecting handle 8 is arranged through the load bearing plate 3. One end of the body connecting handle 8 is arranged as a threaded structure, and a threaded hole is arranged corresponding on the crusher main body 9. When the load bearing plate 3 is moved to the position, the load bearing plate 3 is connected with the crusher main body 9 by rotating the body connecting handle 8, so that the replacement device is prevented from tilting in the process of pushing and pulling the roller 91, and the whole replacement process is more safe.

[0045] Further, the replacement device further comprises a control system, the moving assembly 7, the lifting assembly 4 and the pushing and pulling assembly 2 are electrically connected with the control system. The corresponding actions of the moving assembly 7, the lifting assembly 4 and the pushing and pulling assembly 2 can be controlled through the control system.

[0046] Further, the control system comprises a PLC controller and a control button, the control button is electrically connected with the PLC controller. The corresponding control of the moving assembly 7, the lifting assembly 4 and the pushing and pulling assembly 2 is realized through the control button.

[0047] The above embodiments only exemplarily illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

Claims

1. A crusher roll changing device characterized by, The replacement device comprises a connecting piece, a push-pull assembly, a load-bearing plate and a lifting assembly, the connecting piece is used for detachable fixed connection with the bearing seat of the roller, the push-pull assembly is connected with the connecting piece, the push-pull assembly is used for pulling the roller out of the crusher body or pushing the roller into the crusher body, the push-pull assembly is arranged on the load-bearing plate, the load-bearing plate is used for placing the roller, the load-bearing plate is connected with the lifting assembly, and the lifting assembly is configured to drive the load-bearing plate to move vertically.

2. The crusher roll changing device according to claim 1, characterized in that, The replacement device further comprises a moving assembly and a sliding rail, the moving assembly is slidingly fitted on the sliding rail, and the lifting assembly is arranged on the moving assembly so as to drive the lifting assembly to move along the sliding rail through the moving assembly.

3. The crusher roll changing device according to claim 2, characterized in that, The replacement device further comprises a control system, and the moving assembly, the lifting assembly and the push-pull assembly are electrically connected with the control system.

4. The crusher roll changing device of claim 1, wherein, The connecting piece is in the form of a whole clasp ring structure, and the connecting piece can be clamped on the bearing seat of the roller. The connecting piece comprises a connecting plate and a dismounting frame, and the dismounting frame is detachably connected with the connecting plate.

5. The crusher roll changing device of claim 4, wherein, Screws are arranged on the connecting plate, and corresponding perforations are formed in the dismounting frame, so that the dismounting frame and the connecting plate are detachably connected through the screws.

6. The crusher roll changing device of claim 1, wherein, The push-pull assembly comprises a push-pull motor, a three-shaft push-pull speed reducer, a push-pull worm, a push-pull worm wheel, a mounting plate and a push-pull rod, the push-pull motor, the three-shaft push-pull speed reducer and the mounting plate are fixedly arranged on the load-bearing plate, and one end of the push-pull rod is fixedly connected with the connecting piece. The push-pull motor is coaxially fixedly connected with the input shaft of the three-shaft push-pull speed reducer, two output shafts of the three-shaft push-pull speed reducer are coaxially fixedly connected with the push-pull worms respectively, each push-pull worm corresponds to a push-pull worm wheel, and the push-pull worm is engaged with the push-pull worm wheel. The push-pull rod is arranged on the mounting plate, the push-pull rod is a lead screw, a limiting groove is formed in the outer wall of the push-pull rod along the length direction of the push-pull rod, a limiting block is arranged on the inner wall of the mounting plate, the limiting block is used for clamping in the limiting groove, the push-pull worm wheel is coaxially arranged on the push-pull rod and is threadedly connected with the push-pull rod, and one end of the push-pull rod is fixedly connected with the connecting piece.

7. The crusher roll changing device of claim 1, wherein, The lifting assembly comprises a lifting motor, a three-shaft lifting speed reducer, a connecting shaft, a lifting worm, a lifting worm wheel, a lifting rod and a sliding block, the three-shaft lifting speed reducer is provided with three first, second and third motors, the lifting motor is coaxially fixedly connected with the input shaft of the first motor, two output shafts of the first motor are coaxially fixedly connected with the connecting shafts, one end of each of the two connecting shafts away from the first motor is coaxially fixedly connected with the input shaft of the second motor and the third motor respectively, and the output shafts of the first motor and the second motor are coaxially fixedly connected with the lifting worm. Each of the lifting worm corresponds to one of the lifting worm gears and is engaged with the lifting worm gear, the lifting rod is vertically arranged, each of the lifting worm gears corresponds to one of the lifting rods and is coaxially fixed with the lifting rod, the lifting rod is a screw rod, each of the lifting rods corresponds to one of the sliding blocks and is threadedly connected with the sliding block, and the load bearing plate is fixed on the sliding block.

8. The crusher roll changing device according to claim 7, characterized in that, The lifting assembly further comprises a guide column, which is vertically arranged on the load bearing plate. A top sealing plate is arranged on the top of the guide column.

9. The crusher roll changing device according to claim 1, wherein, A gap is arranged on the load bearing plate, and the gap is used to place the roller.

10. The crusher roll changing device according to claim 1, wherein, The replacement device further comprises a body connecting handle, which is arranged on the load bearing plate, and one end of the body connecting handle is arranged as a threaded structure.

Images