Bearing replacement tool for sintering machine trolley

Abstract

The utility model relates to the technical field of bearing replacement, and discloses a sintering machine trolley bearing replacement tool which comprises a protection frame, a protection bin is arranged in the protection frame, a clamping device is arranged in the protection bin, the clamping device further comprises a moving plate, three sets of moving grooves are formed in the surface of one side of the moving plate, and the three sets of moving grooves are arranged in the protection bin. And clamping pieces are slidably connected into the moving grooves, clamping grooves are formed in the interiors of the outer sides of the clamping pieces, bearing bodies are clamped into the three clamping grooves, and the interiors of the bearing bodies are connected to the outer sides of rotating shafts in the trolley in a sleeving mode. The second motor is used for controlling rotation of the triangular plate, the outer side of the bearing body is clamped and fixed through the clamping grooves in the three clamping pieces, then the first motor operates to pull the bearing body to move outwards, the dismounting effect is achieved, compared with a traditional replacement tool, manual control of workers is not needed, the dismounting effect is better, and the replacement efficiency is improved. And the situation that the bearing falls off can be avoided, and the working efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing replacement, and more specifically to a sintering machine trolley bearing replacement tool. Background Art

[0002] In the sintering process of metallurgical enterprises, the sintering machine trolley is the main component of the sintering machine. The sintering machine trolley undertakes the process from raw materials to finished products. During the sintering of raw materials, the working conditions of the sintering machine trolley are at high temperature, and the wheels of the trolley are in poor operating conditions. In a long-term operating environment, the wheels of the trolley are prone to various faults such as poor lubrication and bearing wear. In this case, the trolley wheel bearings need to be replaced online or offline. Failure to replace in time will cause the trolley to jam, increase the wear of the trolley wheels and trolley tracks, and even cause larger equipment accidents such as trolley crowding.

[0003] At present, when replacing the bearing, three workers usually hold a 10-ton pulling device to dismantle the bearing, which requires the cooperation of three people. However, when using the equipment, the workers need to manually control the pulling work, which is more laborious. In addition, it is also necessary to pay attention to prevent the bearing from colliding with the rotating shaft after disassembly, causing damage. The bearing is also prone to falling off, which is dangerous, time-consuming and laborious. Therefore, a sintering machine trolley bearing replacement tool is designed to solve the above problems. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a sintering machine trolley bearing replacement tool to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solution: a sintering machine trolley bearing replacement tool, comprising a protective frame, a protective bin is arranged inside the protective frame, a clamping device is arranged inside the protective bin, the clamping device also comprises a movable plate, three groups of movable grooves are arranged on one side surface of the movable plate, a clamping piece is slidably connected inside the movable groove, a clamping slot is arranged inside the outer side of the clamping piece, a bearing body is clamped inside the three clamping slots, and the bearing body is sleeved on the outer side of a rotating shaft inside the trolley.

[0006] Preferably, the lower surface of the protective frame is fixedly connected to the upper ends of two electrically controlled lifting rods, the lower ends of the electrically controlled lifting rods are fixedly connected to the upper surface of the base plate, and guide rails are also fixedly connected to both sides of the upper end of the protective frame, and the outer surface of the guide rails is slidably connected to the inside of the protective frame.

[0007] Preferably, a first motor is also placed inside the protective frame, and a threaded rod is fixedly connected to the output end of the first motor. A transmission belt is movably sleeved on the outer side of the output end of the first motor, and the other end of the transmission belt is movably sleeved on the outer side of one end of the threaded rod on the other side. The other ends of the two threaded rods are rotatably connected to the inner side of the baffle, and the lower end of the baffle is fixedly connected to the lower surface of the opening of the protective frame.

[0008] Preferably, the lower surface of the interior of the protection bin is slidably connected to a base, a plurality of first springs are fixedly connected to one side of the base, the other end of the first spring is fixedly connected to the interior of the protection bin, the interior of the base is fixedly connected to the lower end of the movable plate, and the interior of the movable plate is threadedly connected to the outside of the threaded rod.

[0009] Preferably, a placement plate is fixedly connected to the inner side of the movable plate, a second motor is placed on the upper end of the placement plate, an output end of the second motor is fixedly connected to the middle of one side of the triangular plate, the triangular plate is rotatably connected to the other side of the placement plate, a rotating bin is provided at the three end corners of the triangular plate, a connecting rod is rotatably connected inside the rotating bin, and the other end of the connecting rod is rotatably connected inside the clamp.

[0010] Preferably, the upper and lower surfaces of the clamping member are both fixedly connected with a second spring, the other end of the second spring is fixedly connected to the inside of the movable groove, and the outer side of the triangular plate is also fixedly connected with a protective layer.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model arranges three groups of clamping parts on the movable plate, uses the second motor to control the rotation of the triangle plate to pull the movement of the connecting plate, thereby pulling the three groups of clamping parts to move toward the middle, and uses the card slot to fix the bearing body, which is convenient for pulling the bearing outward. The staff does not need to work by hand, avoids the bearing body from falling off and the difficulty of disassembly, and has higher work efficiency.

[0013] 2. The utility model can control the movement of the movable plate within the limit of the guide rail by arranging a first motor inside the protective frame to control the rotation of the two threaded rods, so as to disassemble the bearing body without the need for workers to hold disassembly equipment to work, thereby reducing the labor intensity of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the protection frame of the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the clamping device of the utility model.

[0017] Figure 4 It is a schematic diagram of the internal structure of the movable plate of the utility model.

[0018] The accompanying drawings are marked as follows: 101, protective frame; 102, protective bin; 103, electric-controlled lifting rod; 104, bottom plate; 105, guide rail; 106, first motor; 107, threaded rod; 108, transmission belt; 109, baffle; 110, base; 111, first spring; 2, clamping device; 201, moving plate; 202, placement plate; 203, second motor; 204, triangular plate; 205, moving groove; 206, clamping member; 207, second spring; 208, slot; 209, connecting rod; 210, rotating bin; 211, protective layer; 212, rotating shaft; 213, bearing body. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the new structure involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides a sintering machine trolley bearing replacement tool, including a protection frame 101, a protection bin 102 is arranged inside the protection frame 101, a clamping device 2 is arranged inside the protection bin 102, the clamping device 2 also includes a moving plate 201, one side surface of the moving plate 201 is provided with three groups of moving grooves 205, the moving grooves 205 are slidably connected with a clamping piece 206, the outer side of the clamping piece 206 is provided with a clamping groove 208, the three clamping grooves 208 are clamped with a bearing body 213, and the bearing body 213 is sleeved on the outer side of a rotating shaft 212 inside the trolley.

[0021] Furthermore, the lower surface of the protective frame 101 is fixedly connected to the upper ends of two electrically-controlled lifting rods 103, and the lower ends of the electrically-controlled lifting rods 103 are fixedly connected to the upper surface of the base plate 104. Guide rails 105 are also fixedly connected to both sides of the upper end of the protective frame 101. The outer surface of the guide rails 105 is slidably connected to the inside of the protective frame 101. The electrically-controlled lifting rods 103 can control the up and down movement of the upper protective frame 101, and can be adjusted according to the position of the bearing body 213 to meet the use requirements of different positions. The two guide rails 105 can limit the movement direction of the movable plate 201 to ensure the stability of the movement.

[0022] Furthermore, the lower surface of the protection frame 101 is fixedly connected to the upper ends of two electrically controlled lifting rods 103, and the lower ends of the electrically controlled lifting rods 103 are fixedly connected to the upper surface of the base plate 104. The upper ends of the protection frame 101 are also fixedly connected to guide rails 105 on both sides, and the outer surfaces of the guide rails 105 are slidably connected to the inside of the protection frame 101.

[0023] Furthermore, a first motor 106 is placed inside the protective frame 101, and a threaded rod 107 is fixedly connected to the output end of the first motor 106. A transmission belt 108 is movably sleeved on the outer side of the output end of the first motor 106. The other end of the transmission belt 108 is movably sleeved on the outer side of one end of the threaded rod 107 on the other side. The other ends of the two threaded rods 107 are rotatably connected to the inner side of the baffle 109, and the lower end of the baffle 109 is fixedly connected to the lower surface of the opening of the protective frame 101. When the first motor 106 is in operation, the transmission belt 108 is used to control the two threaded rods 107 to rotate together, thereby controlling the movable plate 201 to move outward or inward, and preventing the movable plate 201 from offset when moving.

[0024] Furthermore, a placement plate 202 is fixedly connected to the inner side of the movable plate 201, and a second motor 203 is placed on the upper end of the placement plate 202. The output end of the second motor 203 is fixedly connected to the middle of one side of the triangular plate 204, and the triangular plate 204 is rotatably connected to the other side of the placement plate 202. A rotating bin 210 is provided at the three end corners of the triangular plate 204. A connecting rod 209 is rotatably connected inside the rotating bin 210, and the other end of the connecting rod 209 is rotatably connected inside the clamp 206. When the second motor 203 is in operation, the rotation of the triangular plate 204 is controlled. When it rotates to a certain angle, the rotation position of the connecting rod 209 is limited by the outer side of the rotating bin 210 to limit the rotation angle. The bearing body 213 is limited by three slots 208 to facilitate subsequent disassembly.

[0025] Furthermore, the upper and lower surfaces of the clamping member 206 are fixedly connected with a second spring 207, and the other end of the second spring 207 is fixedly connected to the inside of the movable groove 205. The clamping member 206 moves in the movable groove 205 under the restriction of the second springs 207 on both sides. A protective layer 211 is also fixedly connected to the outside of the triangular plate 204. When the position of the triangular plate 204 abuts against the outside of the rotating shaft 212, the protective layer 211 can play a certain protective effect.

[0026] The working principle of the utility model is as follows: when in use, the entire device is moved to the lower end of the bearing body 213 to be disassembled, the electric-controlled lifting rod 103 controls the upper protective frame 101 to move to a suitable position, the first motor 106 operates, and the transmission belt 108 is used to control the rotation of the two threaded rods 107, thereby controlling the movable plate 201 to move outward, and when the slot 208 moves to the outside of the bearing body 213, it remains fixed, and then the second motor 203 operates to control the rotation of the triangular plate 204, and the connecting rod 209 is used to pull the clamping piece 206 to move toward the middle of the movable plate 201, and the outer side of the bearing body 213 is clamped in the slot 208, and then the first motor 106 operates to control the movable plate 201 to move toward the inside of the protective frame 101, and the base 110 moves inside the protective bin 102, and is restricted by the first spring 111 with damping, and the bearing body 213 is disassembled to achieve the effect of replacement.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sintering machine trolley bearing replacement tool, characterized in that: The invention comprises a protection frame (101), wherein a protection bin (102) is provided inside the protection frame (101), wherein a clamping device (2) is provided inside the protection bin (102), wherein the clamping device (2) further comprises a movable plate (201), wherein a surface of one side of the movable plate (201) is provided with three groups of movable grooves (205), wherein a clamping member (206) is slidably connected inside the movable groove (205), wherein a clamping groove (208) is provided inside the outer side of the clamping member (206), wherein a bearing body (213) is clamped inside the three clamping grooves (208), and wherein the bearing body (213) is sleeved inside the outer side of a rotating shaft (212) inside the trolley.

2. A sintering machine trolley bearing replacement tool according to claim 1, characterized in that: The lower surface of the protection frame (101) is fixedly connected to the upper ends of two electrically controlled lifting rods (103), the lower ends of the electrically controlled lifting rods (103) are fixedly connected to the upper surface of the bottom plate (104), and guide rails (105) are also fixedly connected to both sides of the upper end of the protection frame (101), and the outer surface of the guide rails (105) is slidably connected to the inside of the protection frame (101).

3. A sintering machine trolley bearing replacement tool according to claim 2, characterized in that: A first motor (106) is also placed inside the protection frame (101); a threaded rod (107) is fixedly connected to the output end of the first motor (106); a transmission belt (108) is movably sleeved on the outer side of the output end of the first motor (106); the other end of the transmission belt (108) is movably sleeved on the outer side of one end of the threaded rod (107) on the other side; the other ends of the two threaded rods (107) are rotatably connected to the inner side of a baffle (109); the lower end of the baffle (109) is fixedly connected to the lower surface of the opening of the protection frame (101).

4. A sintering machine trolley bearing replacement tool according to claim 3, characterized in that: The lower surface of the interior of the protection bin (102) is slidably connected to a base (110); one side of the base (110) is fixedly connected to a plurality of first springs (111); the other end of the first spring (111) is fixedly connected to the interior of the protection bin (102); the interior of the base (110) is fixedly connected to the lower end of the movable plate (201); and the interior of the movable plate (201) is threadedly connected to the outside of the threaded rod (107).

5. A sintering machine trolley bearing replacement tool according to claim 4, characterized in that: A placement plate (202) is fixedly connected to the inner side of the movable plate (201), a second motor (203) is placed on the upper end of the placement plate (202), an output end of the second motor (203) is fixedly connected to the middle of one side of a triangular plate (204), the triangular plate (204) is rotatably connected to the other side of the placement plate (202), a rotating bin (210) is provided at the three end corners of the triangular plate (204), a connecting rod (209) is rotatably connected inside the rotating bin (210), and the other end of the connecting rod (209) is rotatably connected inside the clamping member (206).

6. A sintering machine trolley bearing replacement tool according to claim 5, characterized in that: The upper and lower surfaces of the clamping member (206) are both fixedly connected with a second spring (207), the other end of the second spring (207) is fixedly connected inside the movable groove (205), and the outer side of the triangular plate (204) is also fixedly connected with a protective layer (211).

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