Lower roller changing device of conveyor

Abstract

The utility model discloses a conveyor lower roller changing device, which comprises a rack and a roller changing trolley, a connecting mechanism is arranged on one side of the rack, the connecting mechanism comprises a shaft sleeve, a square hole, a square tube, a roller wheel, a telescopic rod, an extrusion spring, an iron base and a push plate, a changing mechanism is arranged above the roller changing trolley, and the roller changing trolley is arranged on the rack. A walking mechanism is arranged below the roller changing trolley; the telescopic rod is arranged, the telescopic rod is matched with the extrusion spring to extrude the iron base, so that the square pipes are driven to be quickly inserted into the square holes of the shaft sleeves, quick connection of the conveying rollers is achieved, the replacement mechanism is arranged, the replacement mechanism drives the square pipes at the two ends to be close to each other through magnetic force, the square pipes are pulled out of the shaft sleeves, and quick disassembly of the conveying rollers is achieved. Therefore, the conveying roller can be quickly disassembled and assembled, and the replacement efficiency of the conveying roller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor equipment, in particular to a conveyor lower roller changing device. Background Art

[0002] Conveyors are the most important equipment for conveying and loading and unloading bulk materials. They can be widely used in industrial fields such as mining, metallurgy, building materials, chemicals, electric power, and food processing. Conveyors are widely used in coal mines, metal mines, steel companies, ports, cement plants, etc. Transport machinery can not only transport bulk materials, but also transport finished materials.

[0003] In the prior art, the Chinese utility model patent with authorization announcement number CN 219545920 U relates to a conveyor lower roller changing device, including a conveyor frame, wherein the inner side of the conveyor frame is provided with a plurality of conveyor rollers and a dismantling component for installing the conveyor rollers, wherein the conveyor frame is provided with a conveying member for automatically transporting the conveyor rollers below the conveyor rollers, wherein the conveyor member includes two sets of fixed plates installed at the inner bottom of the conveyor frame, and a motor is installed on the fixed plate located on the left side. The conveyor lower roller changing device can drive the motor to slide to the right by placing the replaced conveyor roller in the conveyor frame, and after reaching the replacement position, the conveyor roller can be pushed up to the installation position by driving the electric push rod, and then the conveyor roller can be quickly and automatically disassembled and installed by the dismantling component, and its automated replacement method can greatly save labor and effectively improve safety.

[0004] Compared with the prior art, there are problems as follows: some existing conveyor roller changing devices cannot quickly disassemble and assemble the conveyor rollers during the conveyor roller replacement process, resulting in the conveyor roller replacement efficiency to be improved.

[0005] Therefore, it is necessary to invent a conveyor lower roller changing device. Utility Model Content

[0006] The utility model aims to overcome the deficiencies of the prior art and provide a conveyor lower roller changing device.

[0007] The utility model solves the technical problem through the following technical scheme: it comprises a frame and a roll-changing trolley, a connecting mechanism is arranged on one side of the frame, the connecting mechanism comprises a shaft sleeve, the shaft sleeve is rotatably connected to the middle position of the frame, a square hole is arranged at the middle position of the shaft sleeve, a square tube is arranged on the inner wall of the square hole, a roller is arranged at one end of the square tube, a telescopic rod is arranged at the middle position of the roller, an extrusion spring is arranged on the outer side of the telescopic rod, an iron base is arranged at one end of the telescopic rod, a push plate is arranged on one side of the iron base, the push plate is fixedly connected to the square tube, a replacement mechanism is arranged above the roll-changing trolley, and a walking mechanism is arranged below the roll-changing trolley.

[0008] As a further solution of the utility model: the replacement mechanism includes an electric push rod, which is fixed to the middle position of the roll changing vehicle by bolts, a lifting frame is provided at the extended end of the electric push rod, slots are provided at both ends of the lifting frame, a double-axis electric push rod is provided on the inner wall of the lifting frame, and an electromagnet block is provided at the extended end of the double-axis electric push rod.

[0009] As a further solution of the utility model: the walking mechanism includes an axle, the axle is welded to both ends of the roller changing vehicle, one end of the axle is provided with a driven wheel, the other end of the axle is provided with a driving wheel, and tracks are provided on the outer sides of the driven wheel and the driving wheel.

[0010] As a further solution of the utility model: a partition is provided in the middle of the roller.

[0011] As a further solution of the utility model: a synchronous sprocket is arranged on the outer side of the shaft sleeve, and a synchronous steel chain is arranged on the outer side of the synchronous sprocket.

[0012] As a further solution of the utility model: a plurality of protrusions are arranged on the outer side of the crawler.

[0013] As a further solution of the utility model: a servo motor is arranged at one end of the frame, and the rotating end of the servo motor is fixedly connected to the synchronous sprocket.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. A telescopic rod is provided, and the telescopic rod cooperates with the extrusion spring to squeeze the iron base, thereby driving the square tube to be quickly inserted into the square hole of the shaft sleeve, so as to realize the rapid connection of the conveying roller. A replacement mechanism is provided, and the replacement mechanism drives the square tubes at both ends to approach each other through magnetic force, and the square tube is pulled out from the shaft sleeve to realize the rapid disassembly of the conveying roller, thereby realizing the rapid disassembly and assembly of the conveying roller, and improving the replacement efficiency of the conveying roller;

[0016] 2. By setting up an electric push rod, the electric push rod drives the lifting frame to rise and fall, and the unqualified conveyor roller can be taken out from the frame with the cooperation of the card slot and the square tube. At the same time, the new conveyor roller can be pushed to the designated position, replacing manual lifting and improving the degree of automation of conveyor roller replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It shows an isometric structural schematic diagram provided according to an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of a side cross-sectional structure provided according to an embodiment of the utility model is shown;

[0019] Figure 3 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model is shown;

[0020] Figure 4 The embodiment provided according to the utility model is shown Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 5 The embodiment provided according to the utility model is shown Figure 3 Schematic diagram of the local enlarged structure at point B in the middle.

[0022] Legend:

[0023] 100, frame; 200, roller changing car; 101, bushing; 102, square hole; 103, square tube; 104, roller; 105, telescopic rod; 106, extrusion spring; 107, iron base; 108, push plate; 201, electric push rod; 202, lifting frame; 203, slot; 204, double-axis electric push rod; 205, electromagnet block; 301, axle; 302, driven wheel; 303, driving wheel; 304, crawler track; 110, partition; 120, synchronous sprocket; 130, synchronous steel chain; 140, bump; 150, servo motor. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] Embodiment 1:

[0028] like Figure 1-4 As shown, a conveyor lower roller changing device includes a frame 100 and a roller changing vehicle 200. A connecting mechanism is provided on one side of the frame 100. The connecting mechanism includes a sleeve 101. The sleeve 101 is rotatably connected to the middle position of the frame 100. A square hole 102 is cut in the middle position of the sleeve 101. A square tube 103 is slidably connected to the inner wall of the square hole 102. A roller 104 is slidably connected to one end of the square tube 103. A telescopic rod 105 is fixed to the middle position of the roller 104 by bolts. The outer side of the telescopic rod 105 is fixed by bolts. There is an extrusion spring 106, one end of the telescopic rod 105 is fixed with an iron base 107 by bolts, one side of the iron base 107 is fixed with a push plate 108 by bolts, the push plate 108 is fixedly connected to the square tube 103, a replacement mechanism is arranged above the roll changing vehicle 200, a walking mechanism is arranged below the roll changing vehicle 200, a partition plate 110 is fixed with bolts in the middle position of the roller 104, a synchronous sprocket 120 is fixed with bolts on the outside of the sleeve 101, and a synchronous steel chain 130 is rotatably connected to the outside of the synchronous sprocket 120.

[0029] In this embodiment, a telescopic rod 105 is provided, and the telescopic rod 105 cooperates with the extrusion spring 106 to squeeze the iron base 107, thereby driving the square tube 103 to be quickly inserted into the square hole 102 of the sleeve 101, so as to achieve a quick connection of the conveying roller. A replacement mechanism is provided, and the replacement mechanism drives the square tubes 103 at both ends to approach each other through magnetic force, and the square tube 103 is pulled out of the sleeve 101 to achieve a quick disassembly of the conveying roller, thereby achieving a quick disassembly and assembly of the conveying roller, thereby improving the replacement efficiency of the conveying roller.

[0030] Embodiment 2:

[0031] like Figure 1-5As shown, a conveyor lower roller changing device, the changing mechanism includes an electric push rod 201, the electric push rod 201 is fixed to the middle position of the roller changing vehicle 200 by bolts, the extended end of the electric push rod 201 is fixed with a lifting frame 202 by bolts, the two ends of the lifting frame 202 are cut with a card slot 203, the inner wall of the lifting frame 202 is fixed with a double-axis electric push rod 204 by bolts, the extended end of the double-axis electric push rod 204 is fixed with an electromagnet block 205 by bolts, and the walking mechanism includes a vehicle bridge 3 01, the axle 301 is welded to both ends of the roll changing vehicle 200, one end of the axle 301 is rotatably connected to a driven wheel 302, the other end of the axle 301 is rotatably connected to a driving wheel 303, the outer sides of the driven wheel 302 and the driving wheel 303 are rotatably connected to a track 304, a plurality of protrusions 140 are fixed to the outer side of the track 304 by bolts, a servo motor 150 is fixed to one end of the frame 100 by bolts, and the rotating end of the servo motor 150 is fixedly connected to the synchronous sprocket 120.

[0032] In this embodiment, an electric push rod 201 is provided, which drives the lifting frame 202 to rise and fall. With the cooperation of the card slot 203 and the square tube 103, the unqualified conveyor roller can be taken out from the frame 100. At the same time, the new conveyor roller can be pushed to the specified position, replacing manual lifting, thereby improving the degree of automation of conveyor roller replacement.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conveyor lower roller changing device, characterized in that: The invention comprises a frame (100) and a roller changing vehicle (200), wherein a connecting mechanism is arranged on one side of the frame (100), wherein the connecting mechanism comprises a shaft sleeve (101), wherein the shaft sleeve (101) is rotatably connected to the middle position of the frame (100), wherein a square hole (102) is arranged at the middle position of the shaft sleeve (101), wherein a square tube (103) is arranged on the inner wall of the square hole (102), wherein a roller (104) is arranged at one end of the square tube (103), and wherein the roller (104) is arranged at the inner wall of the square hole (102). 04), a telescopic rod (105) is arranged in the middle position of the telescopic rod (105), a compression spring (106) is arranged on the outer side of the telescopic rod (105), an iron base (107) is arranged at one end of the telescopic rod (105), a push plate (108) is arranged on one side of the iron base (107), and the push plate (108) is fixedly connected to the square tube (103), a replacement mechanism is arranged above the roll changing vehicle (200), and a walking mechanism is arranged below the roll changing vehicle (200).

2. A conveyor lower roller changing device according to claim 1, characterized in that: The replacement mechanism comprises an electric push rod (201), the electric push rod (201) is fixed to the middle position of the roll-changing vehicle (200) by means of bolts, a lifting frame (202) is arranged at the extended end of the electric push rod (201), slots (203) are arranged at both ends of the lifting frame (202), a double-axis electric push rod (204) is arranged on the inner wall of the lifting frame (202), and an electromagnet block (205) is arranged at the extended end of the double-axis electric push rod (204).

3. The conveyor lower roller changing device according to claim 1, characterized in that: The walking mechanism comprises an axle (301), the axle (301) being welded to both ends of the roll-changing vehicle (200), one end of the axle (301) being provided with a driven wheel (302), the other end of the axle (301) being provided with a driving wheel (303), and tracks (304) being provided on the outer sides of the driven wheel (302) and the driving wheel (303).

4. The conveyor lower roller changing device according to claim 1, characterized in that: A partition plate (110) is provided in the middle of the roller (104).

5. The conveyor lower roller changing device according to claim 1, characterized in that: A synchronous sprocket (120) is arranged on the outer side of the shaft sleeve (101), and a synchronous steel chain (130) is arranged on the outer side of the synchronous sprocket (120).

6. The conveyor lower roller changing device according to claim 3, characterized in that: A plurality of protrusions (140) are arranged on the outer side of the crawler (304).

7. The conveyor lower roller changing device according to claim 1, characterized in that: A servo motor (150) is disposed at one end of the frame (100), and a rotating end of the servo motor (150) is fixedly connected to a synchronous sprocket (120).

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