Supporting device for replacing carrier roller of belt conveyor

Abstract

The utility model relates to the technical field of belt conveyors, in particular to a supporting device used for replacing a carrier roller of a belt conveyor, a scissor jack and bottom supporting channel steel used for supporting the scissor jack, two parallel supporting lifting lugs are fixed to the top of the scissor jack, supporting blocks are arranged at the tops of the supporting lifting lugs, and the bottom supporting channel steel is used for supporting the scissor jack. A connecting lifting lug located between the two supporting lifting lugs is fixed to the bottom of the supporting block, a rotating shaft is fixed to the connecting lifting lug and rotationally connected with the supporting lifting lugs, and first locking assemblies for preventing the rotating shaft from rotating are arranged on the supporting lifting lugs. The belt supporting device has the technical effect that the belt can be conveniently supported when the carrier roller is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a supporting device for replacing rollers of belt conveyors. Background Art

[0002] During the operation of the belt conveyor, the belt rollers are often damaged. Currently, replacing the rollers requires multiple people to use crowbars or steel pipes to lift the belt using the lever principle to replace the rollers. When replacing the rollers, multiple people are required to assist, which is labor-intensive and time-consuming, and the efficiency of replacing rollers is low. Utility Model Content

[0003] The embodiment of the utility model provides a supporting device for replacing the rollers of a belt conveyor, which has the technical effect of facilitating the support of the belt when replacing the rollers.

[0004] A supporting device for replacing a belt conveyor roller adopts the following technical solution:

[0005] A supporting device for replacing belt conveyor rollers comprises a scissor jack and a bottom supporting channel steel for supporting the scissor jack, wherein two parallel supporting lifting ears are fixed to the top of the scissor jack, a supporting block is provided on the top of the supporting lifting ears, a connecting lifting ear located between the two supporting lifting ears is fixed to the bottom of the supporting block, a rotating shaft is fixed to the connecting lifting ear, the rotating shaft is rotatably connected to the supporting lifting ear, and a first locking assembly is provided on the supporting lifting ear to prevent the rotating shaft from rotating.

[0006] Furthermore, the first locking assembly includes a first locking bolt and a first locking nut. Arc-shaped grooves are provided on the two supporting ears. The first locking bolt passes through the connecting ear and the arc-shaped groove. When the rotating shaft rotates, the first locking bolt can slide along the arc-shaped groove. The first locking nut is threadedly connected to the first locking bolt and tightens against one of the supporting ears.

[0007] Furthermore, the first locking assembly includes an abutment plate and a plug-in column, one end of the rotating shaft extends out of the supporting ear, the abutment plate is located above the rotating shaft, a fixing plate is fixed on the outer wall of the supporting ear, the fixing plate is located above the abutment plate, a spring is fixed between the fixing plate and the abutment plate, a guide rod is fixed to one end of the abutment plate close to the fixing plate, the guide rod passes through the fixing plate, the plug-in column is fixed to one end of the abutment plate close to the rotating shaft, a plurality of plug-in holes are opened on the circumferential wall of the rotating shaft, the plurality of plug-in holes are evenly arranged along the circumferential direction of the rotating shaft, and the plug-in column is inserted into one of the plug-in holes.

[0008] Furthermore, a second locking assembly is respectively arranged between the two rotating rods on the upper part of the scissor jack and the support block, the second locking assembly includes a first connecting rod and a second connecting rod, one end of the first connecting rod is inserted into the second connecting rod, the end of the first connecting rod away from the second connecting rod is hinged to the rotating rod on the upper part of the scissor jack, the end of the second connecting rod away from the first connecting rod is hinged to the support block, an elongated hole is provided on the second connecting rod, a connecting hole is provided on the end of the first connecting rod close to the second connecting rod, a second locking bolt is provided in the connecting hole, the second locking bolt passes through the elongated hole, a second locking nut is threadedly connected to the second locking bolt, and the second locking nut is pressed against the outer wall of the second connecting rod.

[0009] Compared with the prior art, this application has the following technical effects:

[0010] After adopting this supporting device, the belt conveyor rollers can be replaced conveniently, the structure is simple, the operation is convenient, and one person can replace it. The shear jack is used to support the belt, which greatly improves the safety factor and solves the problem of multiple people assisting and being inconvenient when replacing the belt conveyor rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present invention, and do not constitute a limitation of the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram showing the structure of Embodiment 1 of the present utility model;

[0013] Figure 2 A schematic diagram showing the connection of the lifting lug and the first locking assembly in Embodiment 1 of the present utility model;

[0014] Figure 3 A schematic diagram showing the second locking assembly in Embodiment 1 of the present utility model;

[0015] Figure 4 A schematic diagram showing the connecting hole and the second elongated hole in Embodiment 1 of the present utility model;

[0016] Figure 5 This is a schematic diagram showing the structure of Embodiment 2 of the present utility model;

[0017] Figure 6 A schematic diagram showing the first locking assembly in Embodiment 2 of the present utility model;

[0018] Figure 7 This is a schematic diagram of the plug-in column and the plug-in hole in Example 2 of the utility model.

[0019] Explanation of the accompanying drawings: 1. Scissor jack; 11. First fixed axis; 2. Support ear; 21. Arc groove; 3. Support block; 31. Connecting ear; 32. Rotating shaft; 321. Plug-in hole; 33. Second fixed axis; 4. First locking assembly; 41. First locking bolt; 42. First locking nut; 43. Fixed plate; 44. Spring; 45. Guide rod; 46. Plug-in column; 47. Abutment plate; 5. Second locking assembly; 51. First connecting rod; 511. First mounting hole; 512. Connecting hole; 52. Second connecting rod; 521. Long hole; 522. Second mounting hole; 53. Second locking bolt; 54. Second locking nut. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the implementation mode and the accompanying drawings. Here, the schematic implementation mode of the utility model and its description are used to explain the utility model, but are not used as a limitation of the utility model. Example

[0021] Reference Figure 1 and Figure 2 A supporting device for replacing a belt conveyor roller comprises a scissor jack 1, two parallel supporting lugs 2 are fixed to the top of the scissor jack 1, and the scissor jack 1 can move the supporting lugs 2 upward. A bottom supporting channel steel is provided at the bottom of the scissor jack 1 to support the bottom supporting channel steel, and the bottom supporting channel steel is placed on the beams on both sides of the belt.

[0022] A support block 3 is provided at the top of the support lug 2, and the support block 3 is made of channel steel. A connecting lug 31 is fixed below the support block 3, and the connecting lug 31 is located between the two support lugs 2. A rotating shaft 32 is fixed to the connecting lug 31, and both ends of the rotating shaft 32 are respectively rotatably connected to the two support lugs 2, and a first locking assembly 4 is provided on the support lug 2 to prevent the rotating shaft 32 from rotating.

[0023] The first locking assembly 4 includes a first locking bolt 41 and a first locking nut 42. The two support ears 2 are provided with arc-shaped grooves 21. The first locking bolt 41 passes through the arc-shaped grooves 21 on the two support ears 2. The first locking nut 42 is threadedly connected with the first locking bolt 41. The first locking bolt 41 passes through the connecting ear 31. The first locking nut 42 presses against the support ear 2, thereby fixing the support ear 2 and the connecting ear 31 to prevent the connecting ear 31 from rotating. When the rotating shaft 32 rotates, the first locking bolt 41 slides along the arc-shaped groove 21.

[0024] Reference Figure 3 and Figure 4A second locking assembly 5 is respectively arranged between the two rotating rods at the upper part of the scissor jack 1 and the support block 3. The second locking assembly 5 includes a first connecting rod 51 and a second connecting rod 52. The first connecting rod 51 is sleeved with the second connecting rod 52. One end of the first connecting rod 51 close to the second connecting rod 52 is inserted into the second connecting rod 52. A long hole 521 is opened on the side wall of the second connecting rod 52. A connecting hole 512 is opened on the first connecting rod 51. A second locking bolt 53 is arranged in the connecting hole 512. The second locking bolt 53 passes through the connecting hole 512.

[0025] The second locking bolt 53 passes through the long hole 521 and the first connecting rod 51, and is threadedly connected with the second locking nut 54. The second locking nut 54 is pressed against the side wall of the second connecting rod 52, thereby fixing the first connecting rod 51 and the second connecting rod 52. A first fixed shaft 11 is fixed on the side wall of the upper rotating rod of the scissor jack 1, and a first mounting hole 511 is opened at one end of the first connecting rod 51, and the first fixed shaft 11 is inserted into the first mounting hole 511, and the first connecting rod 51 is rotatably connected to the first fixed shaft 11. A second fixed shaft 33 is fixed on the side wall of the support block 3, and a second mounting hole 522 is opened at one end of the second connecting rod 52 away from the first connecting rod 51, and the second fixed shaft 33 is inserted into the second mounting hole 522, and the second connecting rod 52 is rotatably connected to the second fixed shaft 33. When the device is not in use, the first connecting rod 51 and the second connecting rod 52 can be removed from the first fixed shaft 11 and the second fixed shaft 33 respectively.

[0026] The second locking assembly 5 further increases the stability of the support block 3, so that the support block 3 can support the belt more stably. When adjusting the angle of the support block 3, the support block 3 is first fixed by the first locking assembly 4, and then the overall length of the first connecting rod 51 and the second connecting rod 52 is adjusted so that the overall length corresponds to the distance between the first connecting rod 51 and the second connecting rod 52, and then the first fixed shaft 11 is inserted into the first mounting hole 511, the second fixed shaft 33 is inserted into the second mounting hole 522, and the second locking nut 54 is locked, so as to further fix the support block 3.

[0027] The implementation principle of the support device for replacing the rollers of the belt conveyor of the utility model is as follows: when replacing the rollers on the belt, the lower part of the support device needs to be supported by the channel steel, the channel steel is placed under the belt, and is cross-armed on the beams on both sides, and then the support device is placed on the channel steel, and the angle of the support block 3 is adjusted by rotating the rotating shaft 32. After the angle adjustment is completed, the jacking work of the scissor jack 1 is completed by the crank. After the jacking is completed, the first connecting rod 51 and the second connecting rod 52 are matched, and the first fixed shaft 11 is inserted into the first mounting hole 511, and the second fixed shaft 33 is inserted into the second mounting hole 522. The first connecting rod 51 and the second connecting rod 52 are fixed by the second locking bolt 53 and the second locking nut 54, and then the rollers are replaced. After the completion, the jack is lowered and all replacement devices are withdrawn. Example

[0028] Reference Figure 5 , Figure 6 and Figure 7 The difference from Example 1 is that one end of the rotating shaft 32 extends out of the supporting ear 2, and a first locking assembly 4 is provided on the supporting ear 2. The first locking assembly 4 includes an abutment plate 47 and a plug-in column 46. A fixing plate 43 is fixed to the side wall of the supporting ear 2, and a spring 44 is fixed between the fixing plate 43 and the abutment plate 47. A guide rod 45 is fixed to the side of the abutment plate 47 close to the fixing plate 43, and the guide rod 45 passes through the fixing plate 43, and the spring 44 is sleeved with the guide rod 45.

[0029] The abutment plate 47 is an arc plate, and the plug-in column 46 is fixed on the side of the abutment plate 47 away from the guide rod 45. A plurality of plug-in holes 321 are opened on the circumferential wall of the rotating shaft 32, and the plurality of plug-in holes 321 are evenly arranged along the circumferential direction of the rotating shaft 32. The abutment plate 47 is pressed against the outer wall of the rotating shaft 32 under the action of the spring 44, and the plug-in column 46 is inserted into one of the plug-in holes 321.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A supporting device for replacing a belt conveyor roller, characterized in that: A scissor jack (1) and a bottom support channel steel supporting the scissor jack (1), wherein two parallel support ears (2) are fixed to the top of the scissor jack (1), a support block (3) is arranged on the top of the support ear (2), a connecting ear (31) located between the two support ears (2) is fixed to the bottom of the support block (3), a rotating shaft (32) is fixed to the connecting ear (31), the rotating shaft (32) is rotatably connected to the support ear (2), and a first locking component (4) is arranged on the support ear (2) to prevent the rotating shaft (32) from rotating; The first locking assembly (4) comprises a first locking bolt (41) and a first locking nut (42); the two supporting ears (2) are each provided with an arc-shaped groove (21); the first locking bolt (41) passes through the connecting ear (31) and the arc-shaped groove (21); when the rotating shaft (32) rotates, the first locking bolt (41) can slide along the arc-shaped groove (21); the first locking nut (42) is threadedly connected to the first locking bolt (41) and pressed against one of the supporting ears (2); Or the first locking assembly (4) comprises an abutment plate (47) and a plug-in column (46), one end of the rotating shaft (32) extends out of the supporting ear (2), the abutment plate (47) is located above the rotating shaft (32), a fixing plate (43) is fixed on the outer wall of the supporting ear (2), the fixing plate (43) is located above the abutment plate (47), a spring (44) is fixed between the fixing plate (43) and the abutment plate (47), a guide rod (45) is fixed to one end of the abutment plate (47) close to the fixing plate (43), the guide rod (45) penetrates the fixing plate (43), the plug-in column (46) is fixed to one end of the abutment plate (47) close to the rotating shaft (32), a plurality of plug-in holes (321) are opened on the circumferential wall of the rotating shaft (32), the plurality of plug-in holes (321) are evenly arranged along the circumferential direction of the rotating shaft (32), and the plug-in column (46) is inserted into one of the plug-in holes (321).

2. The supporting device for replacing belt conveyor rollers according to claim 1, characterized in that: A second locking assembly (5) is respectively arranged between the two rotating rods at the top of the scissor jack (1) and the support block (3), the second locking assembly (5) comprising a first connecting rod (51) and a second connecting rod (52), one end of the first connecting rod (51) is inserted into the second connecting rod (52), one end of the first connecting rod (51) away from the second connecting rod (52) is hinged to the rotating rod at the top of the scissor jack (1), and one end of the second connecting rod (52) away from the first connecting rod (51) is hinged to the rotating rod at the top of the scissor jack (1). The second connecting rod (52) is hingedly connected to the support block (3); a long hole (521) is formed on the second connecting rod (52); a connecting hole (512) is formed on one end of the first connecting rod (51) close to the second connecting rod (52); a second locking bolt (53) is arranged in the connecting hole (512); the second locking bolt (53) passes through the long hole (521); a second locking nut (54) is threadedly connected to the second locking bolt (53); and the second locking nut (54) is pressed against the outer wall of the second connecting rod (52).

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