Trolley moving device, sintering equipment and granulation equipment

Abstract

The utility model relates to a trolley moving device, sintering equipment and granulation equipment. A trolley moving device (1) is configured to move a trolley (2) along a trolley track (3). The trolley moving device (1) comprises at least one rail (4); a moving mechanism (5) movable in opposite directions along the track (4) and configured to engage the trolley (2) to move the trolley (2) along the trolley track (3); and a drive device (6) for moving the movement mechanism (5) along the at least one track (4).

Description

TECHNICAL FIELD

[0001] The present utility model relates to a moving device for moving a trolley along a trolley track. The present utility model also relates to a sintering plant or a pelletizing plant. BACKGROUND

[0002] In sintering plants and pelletizing plants, material to be treated, such as iron ore or zinc ore, is fed onto trolleys that run on a trolley track. The trolleys pass through various treatment zones in which the material is subjected to heat treatment, such as drying, roasting and cooling.

[0003] Since the trolleys are heavy and do not have any drive motor of their own, the plant operator has to use an auxiliary device, such as a winch, to manually move the trolleys quite often. Manually moving the trolleys has disadvantages, such as it is difficult to avoid unwanted movement of the trolleys and it is difficult to stop the trolleys at the desired point, which can cause hazardous situations at the plant. SUMMARY

[0004] The object of the present utility model is to provide a trolley moving device that can reduce the above-mentioned problems.

[0005] The object of the present utility model can be achieved by a trolley moving device configured to move a trolley along a trolley track according to the present utility model.

[0006] The trolley moving device according to the present utility model comprises at least one track, a moving mechanism that is movable in opposite directions along the track and configured to engage a trolley to move the trolley along the trolley track, and a drive device for moving the moving mechanism along the at least one track.

[0007] Significant advantages can be achieved by the present utility model. With the trolley moving device described herein, the manual work required for moving the trolleys horizontally in a sintering plant or a pelletizing plant can be reduced, so that the handling of the trolleys can be accelerated and the safety of the process can be improved. The trolley moving device according to the present utility model can be made fully automated or semi-automated. In addition, the trolley moving device can be used in various ways in sintering plants and pelletizing plants, for example, the trolley moving device can be placed in connection with a sintering machine or a pelletizing machine or a trolley turning device, or it can be used in a trolley warehouse and a plant.

[0008] In one embodiment of the present utility model, the moving mechanism comprises at least one or two arms configured to engage the trolley to be moved.

[0009] In one embodiment of the present utility model, the arms are movable, such as retractable and / or rotatable, so that when the moving mechanism moves along the track, the arms are arranged to pass the position of the trolley on the trolley track.

[0010] In one embodiment of the utility model, the trolley moving device comprises two or more parallel tracks, and the moving mechanism is movable in opposite directions along the tracks.

[0011] In one embodiment of the utility model, the trolley moving device further comprises two sprockets and an endless chain for each track. The sprockets are arranged at a distance from each other in the moving direction of the moving mechanism, the endless chain is arranged around the sprockets, the moving mechanism is connected to an upper part of the endless chain, the upper part of the endless chain is supported by the tracks, and the drive device is configured to rotate one of the sprockets.

[0012] In one embodiment of the utility model, the parallel sprockets are connected to a connecting shaft, and the drive device is configured to rotate one of the connecting shafts.

[0013] In one embodiment of the utility model, the moving mechanism comprises a moving table movable in opposite directions along the tracks, and the trolley moving device comprises at least two arms attached to the moving table.

[0014] In one embodiment of the utility model, the arms are configured to engage a central part of the trolley and / or a front surface and / or a rear surface of the trolley.

[0015] The sintering or granulating apparatus according to the utility model is characterized in that it comprises two parallel trolley tracks and a trolley moving device as described above, the trolleys being arranged to run along the trolley tracks. The trolley moving device is placed in connection with the trolley tracks, for example between the trolley tracks.

[0016] In one embodiment of the utility model, the sintering or granulating apparatus comprises a sintering or granulating machine, which comprises a removal point via which the trolleys can be removed from the sintering or granulating machine, and a feed point via which the trolleys can be inserted into the sintering or granulating machine. The trolley moving device is placed in connection with the removal point and / or the feed point.

[0017] In one embodiment of the utility model, the trolley moving device is configured to move the trolleys towards the feed point for insertion into the sintering or granulating machine and / or to move the trolleys removed from the sintering or granulating machine away from the removal point.

[0018] In one embodiment of the utility model, the sintering or granulating apparatus comprises a trolley turning device, the trolley moving device being placed in connection with the trolley turning device and being configured to feed the trolleys to the trolley turning device and / or to remove the trolleys from the trolley turning device.

[0019] In one embodiment of the utility model, the trolley moving device is configured to feed the trolleys removed from the sintering or granulating machine to the trolley turning device. BRIEF DESCRIPTION OF DRAWINGS

[0020] In the following, the application will be described in detail by way of example with reference to the accompanying drawings, in which:

[0021] Figure 1 A trolley moving device and a trolley turning device according to embodiments of the application are shown;

[0022] Figure 2 is a schematic view of a sintering or granulating plant according to embodiments of the application. DETAILED DESCRIPTION

[0023] Figure 1 A trolley moving device 1 according to embodiments of the application is shown. The trolley moving device 1 is for moving a trolley 2 along a trolley track 3. The trolley moving device 1 can be used in a sintering plant and / or a granulating plant 13, for example in connection with a sintering machine or a granulating machine 14, a trolley turning device, or in a trolley storage or workshop. In Figure 1 In the shown embodiment, the trolley moving device 1 is installed in connection with a trolley turning device.

[0024] In Figure 2 In the shown embodiment, Figure 1 The shown trolley moving device 1 and turning device 17 are installed in connection with a sintering machine or a granulating machine 14. The trolley moving device 1 is configured to move the trolley 2 away from the sintering machine or the granulating machine 14 after the trolley 2 has been removed from the sintering machine or the granulating machine 14. Alternatively or additionally, the trolley moving device 1 is configured to move the trolley 2 to the sintering machine or the granulating machine 14 / towards the sintering machine or the granulating machine 14, after which the trolley 2 is inserted into the sintering machine or the granulating machine 14.

[0025] The trolley 2 comprises a frame 30 and a grid 31 attached to the frame 30. The trolley 2 comprises two side walls 32 extending upwards from opposite sides of the frame 30. The frame 30 further comprises a front wall 33 and a rear wall 34. The grid 31 is surrounded by the side walls 32, the front wall 33 and the rear wall 34. The frame 30 further comprises a central part extending between and connected to the two sides of the frame 30. The central part is located below the grid 31. The trolley 2 is provided with wheels 36 on both sides of the trolley 2, on which the trolley 2 can be moved along the trolley track 3. Each side of the trolley 2 comprises two wheels 36. The wheels 36 are rotatably mounted on the frame 30 of the trolley 2. The weight of an empty trolley 2 is typically 6500-10000 kg.

[0026] The trolley moving device 1 comprises at least one track 4 (typically two or more tracks 4) and a moving mechanism 5 movable in opposite directions along the track 4. The moving mechanism 5 is configured to engage the trolley 2 for moving the trolley 2 along the trolley track 3. The trolley tracks 3 are parallel to each other. The tracks 4 are arranged between the trolley tracks 3, typically lower than the trolley tracks 3. The trolley tracks 3 are parallel to the tracks 4.

[0027] The moving mechanism 5 can comprise at least one or two arms 11 configured to engage the trolley 2 to be moved. The arms 11 are configured to engage the central part and / or the front surface and / or the rear surface of the trolley 2. The arms 11 are retractable and / or rotatable to be arranged to pass the position of the trolley 2 on the trolley track 3 when the moving mechanism 5 is moved along the track 4. The moving mechanism 5 is provided with an actuator 35, such as a pneumatic or hydraulic cylinder, an electric actuator, or a pneumatic or electric linear actuator, by means of which the arms 11 can be retracted and / or rotated.

[0028] The moving mechanism 5 can comprise a moving table 10 movable in opposite directions along the track 4. The arms 11 are mounted on the moving table 10.

[0029] The trolley moving device 1 further comprises a drive 6 for moving the moving mechanism 5 along the track 4. The drive 6 can be an electric or hydraulic drive motor or a manually operated drive. The drive 6 can be mounted on the track 4, on the moving mechanism 5, or on another structure, such as a support attached to the floor of the plant.

[0030] The trolley moving device 1 can further comprise two sprockets 7 and an endless chain 8 arranged in association with each track 4. The sprockets 7 are arranged at a distance from each other in the direction of movement of the moving mechanism 5 and / or in the longitudinal direction of the track 4. The track 4 can be arranged between the sprockets 7. The endless chain 8 is arranged around the sprockets 7. The endless chain 8 has an upper part 8.1 and a lower part 8.2. The moving mechanism 5 is connected to the upper part 8.1 of the endless chain 8. The upper part 8.1 of the endless chain 8 is supported by the track 4, for example, the upper part 8.1 can be arranged against the upper surface of the track 4. The drive 6 is configured to rotate one of the sprockets 7. The other sprocket 7 can be free to rotate. When the sprocket 7 is rotated, the endless chain 8 rotates around the sprocket 7, thereby moving the moving mechanism 5 along the track 4.

[0031] In the case of the trolley moving device 1 comprising two or more parallel tracks 4, the parallel sprockets 7 can be connected to a connecting shaft 9, and the drive 6 is configured to rotate one of the connecting shafts 9.

[0032] The trolley moving device 1 can be provided with a position sensor monitoring the position of the trolley 2 on the trolley track 3 and / or the position of the moving mechanism 5 on the track 4, and a control unit configured to receive data from the position sensor and operate the drive 6 and / or the arms 11 on the basis of the data.

[0033] The utility model also relates to a sintering equipment or granulating equipment 13, it includes the trolley moving device 1 as described above. The sintering equipment or granulating equipment 13 includes two parallel trolley tracks 3, and the trolley 2 is arranged to run along the two trolley tracks. The trolley moving device 1 is placed in association with the trolley track 3, for example between the trolley tracks 3.

[0034] As Figure 2 shown, the sintering equipment or granulating equipment 13 can include a sintering machine or granulator 14, and the trolley moving device 1 is arranged in association with the sintering machine or granulator. The sintering machine or granulator 14 can include a removal point 15 via which the trolley 2 can be removed from the sintering machine or granulator 14, and a feed point 16 via which the trolley 2 can be inserted into the sintering machine or granulator 14. The trolley moving device 1 can be placed in association with the removal point 15 and / or the feed point 16. The trolley moving device 1 can be configured to feed the trolley 2 to the feed point 16 / away from the feed point 16 for insertion into the sintering machine or granulator 14 and / or to move the trolley 2 removed from the sintering machine or granulator 14 away from the removal point 15.

[0035] Additionally or alternatively, the trolley moving device 1 can be arranged in a trolley store or workshop of the sintering equipment or granulating equipment 13.

[0036] Additionally or alternatively, as Figure 2 shown, the sintering equipment or granulating equipment 13 can include a trolley turning device 17, and the trolley moving device 1 is arranged in association with the trolley turning device 17. In this embodiment, the trolley moving device 1 is configured to feed the trolley 2 to the trolley turning device 17 and / or to remove the trolley 2 from the trolley turning device 17. As Figure 2 shown, the trolley moving device 1 can be configured to feed the trolley 2 removed from the sintering machine or granulator 14 to the trolley turning device 17.

[0037] The trolley turning device 17 can include a support frame 18 and a rotating frame 19 mounted on the support frame 18. The support frame 18 is placed on a mounting surface of the trolley turning device 1, for example on a floor of the sintering equipment or granulating equipment 13. The support frame 18 can include a support structure 20 at each end of the support frame 18. The support structure 20 can include two vertical poles 20.1 connected to a horizontal pole 20.2.

[0038] The rotating frame 19 is rotatable relative to the support frame 18 about a rotation axis 21. The rotation axis 21 can be horizontal. The rotating frame 19 can be rotatable about the rotation axis 21 by 180° or at least 180°. The rotating frame 19 includes a receiving mechanism 22 configured to receive the trolley 2 and to hold the trolley 2 during rotation of the rotating frame 19.

[0039] The receiving mechanism 22 can comprise a first receiving device 22.1 configured to receive the at least one wheel 36 on the first side of the trolley 2 and a second receiving device 22.2 configured to receive the at least one wheel 36 on the second side of the trolley 2. The rotating frame 19 can comprise a cross member 23, e.g. one or two cross beams, to which the first receiving device 22.1 and the second receiving device 22.2 are connected. The first receiving device 22.1 and the second receiving device 22.2 are arranged at opposite ends of the rotating frame 19.

[0040] The first receiving device 22.1 can comprise a first pair of vertically spaced apart tracks between which the wheels 36 on the first side of the trolley 2 are arranged to be inserted. The second receiving device 22.2 can comprise a second pair of vertically spaced apart tracks between which the wheels 36 on the second side of the trolley 2 are arranged to be inserted.

[0041] The trolley turning device 17 comprises a rotating device 25 configured to rotate the rotating frame 19 about the rotation axis 21. The rotating device 25 can be electrically powered, hydraulically powered or manually operated. The rotating device 25 is typically attached to the support frame 18.

[0042] The rotating frame 19 can comprise two shafts at opposite ends of the rotating frame 19. The shafts are rotatably mounted on the support frame 18, e.g. on bearings. The rotating device 25 is connected to one of the shafts.

[0043] The trolley turning device 17, e.g. the rotating frame 19, can further comprise a locking mechanism 28 configured to lock the wheels 36 of the trolley 2 during rotation of the rotating frame 19. The locking mechanism 28 can comprise two movable locking members, e.g. locking rods, arranged at opposite ends of the rotating frame 19. The locking members are movable between the respective wheels 36 and are arranged to engage the wheels 36 on the first and second sides of the trolley 2.

[0044] The tracks 4 of the trolley moving device 1 can be placed below the rotating frame 3 of the trolley turning device 17 such that the moving mechanism 5 is able to pass below the rotating frame 19.

[0045] The trolley moving device 1 can be operated as follows. The moving mechanism 5 is moved on the track 4 towards the trolley 2 to be moved. The moving mechanism 5, e.g. the arm 11, engages the trolley 2 to be moved. The moving mechanism 5 engages the central part or the front side or the rear side of the trolley 2. Thereafter, the moving mechanism 5 is moved along the track 4 and the moving mechanism 5 moves the trolley 2 along the trolley track 3. When the movement of the trolley has been completed, the moving mechanism 5, e.g. the arm 11, disengages from the trolley 2. Thereafter, the moving mechanism 5 is moved along the track 4 towards the next trolley 2 to be moved. The arm 11 of the moving mechanism 5 can be retracted and / or rotated so that the arm 11 can pass the position of the trolley 2 on the trolley track 3.

[0046] It will be obvious to a person skilled in the art that, as technology advances, the basic idea of the application can be implemented in various ways. The application and its embodiments are therefore not limited to the examples described above; instead, they can vary within the scope of the claims.

[0047] LIST OF REFERENCE NUMBERS

[0048] 1 trolley moving device

[0049] 2 trolley

[0050] 3 trolley track

[0051] 4 track

[0052] 5 moving mechanism

[0053] 6 drive device

[0054] 7 sprocket

[0055] 8 endless chain

[0056] 8.1 upper part of the endless chain

[0057] 8.2 lower part of the endless chain

[0058] 9 connecting shaft

[0059] 10 moving table

[0060] 11 arm

[0061] 13 sintering or granulating device

[0062] 14 sintering or granulating machine

[0063] 15 removal point

[0064] 16 feed point

[0065] 17 trolley turning device

[0066] 18 support frame

[0067] 19 rotating frame

[0068] 20 support structure

[0069] 20.1 vertical rods

[0070] 20.2 horizontal rods

[0071] 21 rotation axis

[0072] 22 receiving means

[0073] 22.1 first receiving means

[0074] 22.2 second receiving means

[0075] 23 cross member

[0076] 25 rotating means

[0077] 28 locking means

[0078] 30 frame

[0079] 31 grid

[0080] 32 side wall

[0081] 33 front wall

[0082] 34 rear wall

[0083] 35 actuator

[0084] 36 wheel

Claims

1. A trolley moving device (1) configured to move a trolley (2) along a trolley track (3), characterized in that, The trolley moving device (1) comprises at least one track (4), a moving mechanism (5) movable in opposite directions along the track (4) and configured to engage a trolley (2) to move the trolley (2) along a trolley track (3), and a drive device (6) for moving the moving mechanism (5) along the at least one track (4).

2. The trolley moving device (1) according to claim 1, characterized in that The moving mechanism (5) comprises at least one or two arms (11) configured to engage the trolley (2) to be moved.

3. The trolley moving device (1) according to claim 2, characterized in that The arms (11) are retractable and / or rotatable so that they are arranged to pass the position of the trolley (2) on the trolley track (3) when the moving mechanism (5) is moved along the track (4).

4. The trolley moving device (1) according to any one of claims 1-3, characterized in that, The trolley moving device (1) comprises two or more parallel tracks (4), and the moving mechanism (5) is movable in opposite directions along the tracks (4).

5. The trolley moving device (1) according to any one of claims 1-3, characterized in that, The trolley moving device (1) further comprises two sprockets (7) and a loop chain (8) for each track (4), wherein: The sprockets (7) are arranged at a distance from each other in the moving direction of the moving mechanism (5), The loop chain (8) is arranged around the sprockets (7), The moving mechanism (5) is connected to the upper part (8.1) of the loop chain (8), The upper part (8.1) of the loop chain (8) is supported by the tracks (4), and The drive device (6) is configured to rotate one of the sprockets (7).

6. The trolley moving device (1) according to claim 5, characterized in that The parallel sprockets (7) are connected to a connecting shaft (9), and the drive device (6) is configured to rotate one of the connecting shafts (9).

7. The trolley moving device (1) according to claim 4, characterized in that The moving mechanism (5) comprises a moving table (10) movable in opposite directions along the track (4) and at least two arms (11) attached to the moving table (10).

8. The trolley moving device (1) according to claim 2, characterized in that The arms (11) are configured to engage the central part of the trolley (2) and / or the front and / or rear surface of the trolley (2).

9. A sintering apparatus characterized by comprising: The sintering plant comprises two parallel trolley tracks (3) and a trolley moving device (1) according to any of the preceding claims, the trolleys (2) being arranged to run along the trolley tracks, the trolley moving device (1) being placed in connection with the trolley tracks (3).

10. The sintering apparatus according to claim 9, characterized by The trolley moving device (1) is placed between the trolley tracks.

11. The sintering apparatus according to claim 9, characterized by The sintering plant comprises a sintering machine, the sintering machine comprising a removal point (15) via which the trolleys (2) can be removed from the sintering machine and a feed point (16) via which the trolleys (2) can be inserted into the sintering machine, the trolley moving device (1) being placed in connection with the removal point (15) and / or the feed point (16).

12. The sintering apparatus according to claim 11, characterized by The trolley moving device (1) is configured to move the trolleys (2) towards the feed point (16) to be inserted into the sintering machine and / or to move the trolleys (2) removed from the sintering machine away from the removal point (15).

13. The sintering apparatus according to any one of claims 9 to 12, characterized by The sintering plant comprises a trolley turning device (17), the trolley moving device (1) being placed in connection with the trolley turning device (17) and configured to feed the trolleys (2) to the trolley turning device (17) and / or remove the trolleys (2) from the trolley turning device (17).

14. The sintering apparatus according to claim 13, characterized by The trolley moving device (1) is configured to feed the trolleys (2) removed from the sintering machine to the trolley turning device (17).

15. A granulating apparatus characterized by comprising: The granulation plant comprises two parallel trolley tracks (3) and a trolley moving device (1) according to any one of claims 1 to 8, the trolleys (2) being arranged to run along the trolley tracks, the trolley moving device (1) being placed in association with the trolley tracks (3).

16. The granulation apparatus according to claim 15, wherein The trolley moving device (1) is placed between the trolley tracks.

17. The granulation apparatus according to claim 15, wherein The granulation plant comprises a granulator, the granulator comprising a removal point (15) via which the trolleys (2) can be removed from the granulator and a feed point (16) via which the trolleys (2) can be inserted into the granulator, the trolley moving device (1) being placed in association with the removal point (15) and / or the feed point (16).

18. The granulation apparatus according to claim 17, wherein The trolley moving device (1) is configured to move the trolleys (2) towards the feed point (16) for insertion into the granulator and / or to move the trolleys (2) removed from the granulator (14) away from the removal point (15).

19. The granulation apparatus according to any one of claims 15 to 18, characterized by, The granulation plant comprises a trolley turning device (17), the trolley moving device (1) being placed in association with the trolley turning device (17) and being configured to feed the trolleys (2) to the trolley turning device (17) and / or to remove the trolleys (2) from the trolley turning device (17).

20. The granulation apparatus according to claim 19, wherein The trolley moving device (1) is configured to feed the trolleys (2) removed from the granulator to the trolley turning device (17).

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