Gantry stacker-reclaimer roller mechanism with horizontal positioning device

Abstract

The utility model relates to the technical field of positioning of door-type stacker-reclaimer roller mechanisms, in particular to a door-type stacker-reclaimer roller mechanism with a horizontal positioning device, which comprises a trolley frame and a roller mechanism body fixed with the trolley frame. The lower part of the cross beam is provided with a horizontal guide wheel for the roller mechanism body to reciprocate along the length direction of the movable beam; one side, close to the horizontal guide wheel, of the movable beam is provided with a detachable horizontal guide rail contacted with the horizontal guide wheel; an anti-overturning assembly used for preventing the rolling wheel mechanism body from overturning is arranged between the trolley frame and the movable beam. The horizontal guide wheels and the horizontal guide rails are arranged on the cross beam and the movable beam, so that the horizontal digging force of the roller mechanism body is counteracted through the action between the horizontal guide wheels and the horizontal guide rails, and compared with a traditional device, the lateral force between the walking wheels and the walking guide rails is reduced; therefore, the lateral friction between the walking wheels and the walking guide rail is reduced, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning roller mechanisms of door-type stackers and reclaimers, in particular to a roller mechanism of door-type stackers and reclaimers with a horizontal positioning device. Background Art

[0002] Bucket wheel stacker reclaimer is a complete set of equipment for efficient and continuous bulk material loading, unloading and conveying widely used in large material yards such as ports, mines, power plants, etc. Among them, gantry bucket wheel stacker reclaimer is widely used in major material yards due to its high recovery rate, convenient operation, easy management and easy automation control. The roller mechanism body is an important part of the gantry bucket wheel reclaimer. The roller is installed on the movable beam, and the material reclaiming operation is carried out through the rotation of the wheel body and bucket.

[0003] like Figure 1 As shown in the figure, the horizontal positioning of conventional rollers during material collection is achieved by the combined action of three parts. First, the horizontal guide wheel interacts with the horizontal guide rail on the movable beam to resist horizontal displacement; second, the interaction between the wheel rim of the roller mechanism body and the walking track to resist horizontal displacement; third, the interaction between the anti-overturning guide wheel and the movable beam steel structure prevents the roller mechanism body from overturning.

[0004] This conventional method of horizontal positioning has two obvious disadvantages. First, the horizontal guide rail is welded on the movable beam, which is very time-consuming to replace after wear; second, the wheel rim is in contact with the track for a long time, which causes serious lateral wear. The wheels and tracks need to be replaced frequently, which results in high maintenance costs and long maintenance time. Therefore, it is very necessary to improve it. Utility Model Content

[0005] In order to solve at least one of the above technical problems, the utility model proposes a roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device. By arranging horizontal guide wheels and horizontal guide rails on an upper cover plate and a movable beam, the horizontal digging force of the roller mechanism body is offset by the action between the horizontal guide wheels and the horizontal guide rails. Compared with traditional devices, the lateral force between the traveling wheels and the traveling guide rails is reduced, thereby reducing the lateral friction between the traveling wheels and the traveling guide rails and reducing maintenance costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device comprises: a trolley frame and a roller mechanism body fixed to the trolley frame, the crossbeam of the trolley frame is hung on the upper part of a movable beam through a crane assembly, the lower part of the crossbeam is symmetrically provided with horizontal guide wheels for the roller mechanism body to reciprocate along the length direction of the movable beam, and a detachable horizontal guide rail in contact with the horizontal guide wheel is provided on the side of the movable beam close to the horizontal guide wheel; an anti-overturning assembly for preventing the roller mechanism body from overturning is provided between the trolley frame and the movable beam.

[0008] Preferably, the traveling assembly includes a traveling guide rail arranged on the upper portion of the movable beam along the length direction thereof, and a traveling wheel fixed to the cross beam by bolts and in contact with the upper end surface of the traveling guide rail.

[0009] Preferably, the anti-rollover assembly includes an anti-rollover wheel fixed to the inner side of the side beam of the trolley frame through a horizontal connecting piece, and the anti-rollover wheel is located on the lower surface of the extension of one side of the movable beam close to the anti-rollover wheel and has a first installation distance.

[0010] Preferably, a travel limit switch is provided at one end of the horizontal connecting member near the anti-tipping wheel, and the travel limit switch includes a shell fixed to the horizontal connecting member, a trigger rod is rotatably provided on the shell, a rolling wheel is provided at the front end of the trigger rod, and the rolling wheel is located on the lower surface of the extension part and has a second installation distance.

[0011] Preferably, the first installation distance is greater than the second installation distance.

[0012] Preferably, the horizontal guide rail is fixed to the upper portion of the movable beam by bolts.

[0013] Preferably, the horizontal center plane of the horizontal guide rail is at the same height as the horizontal center plane of the horizontal guide wheel.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model arranges horizontal guide wheels and horizontal guide rails on the crossbeam and the movable beam, so that the horizontal excavation force of the roller mechanism body is offset by the action between the horizontal guide wheels and the horizontal guide rails. Compared with the traditional device, the lateral force between the traveling wheel and the traveling guide rail is reduced, thereby reducing the lateral friction between the traveling wheel and the traveling guide rail and reducing the maintenance cost. At the same time, when the detachable horizontal guide rail is worn to an unusable state, the horizontal guide rail can be replaced by removing the bolts. By arranging the anti-overturning component, when the excavation torque of the roller mechanism body is too large, the operator is reminded to reduce the excavation torque to avoid the overturning of the roller mechanism body.

[0016] The utility model sets the horizontal center plane of the horizontal guide rail to be at the same height as the horizontal center plane of the horizontal guide wheel, thereby improving the stability of the force transmission between the horizontal guide wheel and the horizontal guide rail, and avoiding the horizontal guide rail and the horizontal guide wheel from deviating when they act relative to each other, thereby preventing the damage between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the roller mechanism of the original gantry stacker-reclaimer;

[0018] Figure 2 It is a structural schematic diagram of a roller mechanism of a gantry stacker-reclaimer with a horizontal positioning device;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 This is a top view of the horizontal positioning device in the utility model;

[0021] Figure 5 for Figure 2 Enlarged view of point B in the middle;

[0022] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0023] In the figure: 1. roller mechanism body; 2. crane assembly; 21. traveling wheel; 22. crane guide rail; 3. movable beam; 31. extension; 4. trolley frame; 41. cross beam; 42. side beam; 5. horizontal guide wheel; 6. horizontal guide rail; 7. anti-overturning assembly; 71. horizontal connecting piece; 72. anti-overturning wheel; 8. travel limit switch; 81. outer shell; 82. trigger rod; 83. rolling wheel. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments of the present invention.

[0025] Please refer to Figure 2-4As shown, a roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device comprises: a trolley frame 4 and a roller mechanism body 1 fixed to the trolley frame 4, a crossbeam 41 of the trolley frame 4 is hung on the upper part of a movable beam 3 through a crane assembly 2, a horizontal guide wheel 5 is provided at the lower part of the crossbeam 41 for the roller mechanism body 1 to reciprocate along the length direction of the movable beam 3, a detachable horizontal guide rail 6 in contact with the horizontal guide wheel 5 is provided on the side of the movable beam 3 close to the horizontal guide wheel 5; an anti-overturning assembly 7 for preventing the roller mechanism body 1 from overturning is provided between the trolley frame 4 and the movable beam 3.

[0026] The above-mentioned traveling assembly 2 includes a traveling guide rail 22 arranged on the upper part of the movable beam 3 along the length direction thereof, and a traveling wheel 21 fixed to the cross beam 41 by bolts and in contact with the upper end surface of the traveling guide rail 22 .

[0027] The utility model arranges the horizontal guide wheel 5 and the horizontal guide rail 6 on the crossbeam 41 and the movable beam 3, so that the horizontal excavation force of the roller mechanism body 1 is offset by the action between the horizontal guide wheel 5 and the horizontal guide rail 6. Compared with the traditional device, the lateral force between the running wheel 21 and the running guide rail is reduced, thereby reducing the lateral friction between the running wheel 21 and the running guide rail, and reducing the maintenance cost. At the same time, when the detachable horizontal guide rail 6 is worn to an unusable state, the horizontal guide rail 6 can be replaced by removing the bolts. By arranging the anti-overturning component 7, when the excavation torque of the roller mechanism body 1 is too large, the operator is reminded to reduce the excavation torque to avoid the overturning of the roller mechanism body 1.

[0028] It should be noted that the excavation force generated by the roller mechanism body 1 during operation needs to be transmitted to the steel structure of the movable beam 3 in a certain way. The horizontal positioning device of the original roller mechanism body 1 transmits the horizontal force mainly through the horizontal guide wheel 5 to the horizontal guide rail 6 fixed on the web of the steel structure of the movable beam 3. When the horizontal guide rail 6 is worn, it is difficult to replace. In addition, the horizontal rigidity of the web of the steel structure of the movable beam 3 itself is not good, and it is easy to deform after long-term use, and the positioning effect is gradually reduced.

[0029] In this embodiment, the movable beam 3 is an I-beam, and the cross beam 41 of the trolley frame 4 forms a storage space with the upper part of the I-beam. The lower part of the cross beam 41 is symmetrically fixed with triangular mounting plates at positions close to both sides of the upper part of the I-beam, and the horizontal guide wheel 5 is fixed on the side of the triangular mounting plate close to the vehicle wheel. At the same time, the horizontal guide rail 6 is symmetrically fixed to the wing plates on both sides of the upper part of the I-beam by bolts, and replacement is relatively convenient. In addition, since the horizontal guide rail 6 is installed on the movable beam 3, the horizontal rigidity is also greatly enhanced, and it is not easy to deform after long-term use, which improves the reliability of positioning.

[0030] In order to improve the stability of the force transmission between the horizontal guide wheel 5 and the horizontal guide rail 6, the horizontal center plane of the horizontal guide rail 6 is equal to the horizontal center plane of the horizontal guide wheel 5. In this way, it is possible to avoid the horizontal guide rail 6 and the horizontal guide wheel 5 from deviating when they act relative to each other, thereby preventing damage therebetween.

[0031] Please refer to Figure 5 and Figure 6 As shown, the anti-tipping assembly 7 includes an anti-tipping wheel 72 fixed to the inner side of the side beam 42 of the trolley frame 4 through a horizontal connecting piece 71. The anti-tipping wheel 72 is located on the lower surface of the extension portion 31 of the movable beam 3 close to the anti-tipping wheel 72 and has a first installation distance.

[0032] Specifically, the anti-tipping wheels 72 and the horizontal guide wheels 5 are fixed on the inner and outer sides of the I-beam, respectively. The horizontal height of the anti-tipping wheels 72 is lower than that of the horizontal guide wheels 5. At the same time, in order to improve the anti-tipping performance of the roller mechanism, the anti-tipping wheels 72 are symmetrically installed on the front and rear sides of the crossbeam 41 in the embodiment.

[0033] In this embodiment, a travel limit switch 8 is provided at one end of the horizontal connecting member 71 near the anti-tipping wheel 72. The travel limit switch 8 includes a shell 81 fixed to the horizontal connecting member 71. A trigger rod 82 is rotatably provided on the shell 81. A rolling wheel 83 is provided at the front end of the trigger rod 82. The rolling wheel 83 is located on the lower surface of the extension part 31 and has a second installation distance.

[0034] It is understandable that if Figure 5 and Figure 6 As shown, when the roller mechanism body 1 rotates to perform material-retrieving operation, a certain excavation force will be generated. When the excavation force is too large, it is easy to cause the roller mechanism body 1 to overturn. Specifically, when the roller mechanism body 1 is operating normally, the rolling wheel 83 does not contact the lower surface of the extension part 31; when the excavation torque is too large, the rolling wheel 83 at the front end of the trigger rod 82 contacts the lower surface of the extension part 31 extending from one side of the movable beam 3, and the trigger rod 82 rotates until the trigger switch is activated, and the system reminds the operator that the excavation torque is too large.

[0035] It should be noted that in order to ensure the effectiveness of the travel limit switch 8, it is necessary to ensure that the first installation distance is greater than the second installation distance. That is, when the roller mechanism body 1 deviates, the rolling wheel 83 contacts the lower surface of the extension portion 31 before the anti-tipping wheel 72, and at least when the anti-tipping wheel 72 contacts the lower surface of the extension portion 31, the triggering action of the travel limit switch 8 is also generated.

[0036] The working principles of the roller mechanism body 1 and the travel limit switch 8 in the present application belong to the prior art and will not be elaborated in detail in the present application.

[0037] The utility model arranges the horizontal guide wheel 5 and the horizontal guide rail 6 on the crossbeam 41 and the movable beam 3, so that the horizontal excavation force of the roller mechanism body 1 is offset by the action between the horizontal guide wheel 5 and the horizontal guide rail 6. Compared with the traditional device, the lateral force between the running wheel 21 and the running guide rail is reduced, thereby reducing the lateral friction between the running wheel 21 and the running guide rail, and reducing the maintenance cost. At the same time, when the detachable horizontal guide rail 6 is worn to an unusable state, the horizontal guide rail 6 can be replaced by removing the bolts. By arranging the anti-overturning component 7, when the excavation torque of the roller mechanism body 1 is too large, the operator is reminded to reduce the excavation torque to avoid the overturning of the roller mechanism body 1.

[0038] The above is a specific implementation of the embodiment of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the scope of protection of this application.

Claims

1. A roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device, comprising: A trolley frame (4) and a roller mechanism body (1) fixed to the trolley frame (4), characterized in that the crossbeam (41) of the trolley frame (4) is hung on the upper part of the movable beam (3) through a crane assembly (2), and the lower part of the crossbeam (41) is symmetrically provided with horizontal guide wheels (5) for the roller mechanism body (1) to reciprocate along the length direction of the movable beam (3), and the movable beam (3) is provided with a detachable horizontal guide rail (6) in contact with the horizontal guide wheel (5) on the side close to the horizontal guide wheel (5); an anti-overturning assembly (7) for preventing the roller mechanism body (1) from overturning is provided between the trolley frame (4) and the movable beam (3).

2. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 1, characterized in that: The traveling assembly (2) comprises a traveling guide rail (22) arranged on the upper part of the movable beam (3) along the length direction thereof, and a traveling wheel (21) fixed to the cross beam (41) by bolts and in contact with the upper end surface of the traveling guide rail (22).

3. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 2, characterized in that: The anti-tipping assembly (7) comprises an anti-tipping wheel (72) fixed to the inner side of the side beam (42) of the trolley frame (4) via a horizontal connecting piece (71); the anti-tipping wheel (72) is located on the lower surface of an extension portion (31) of the movable beam (3) close to the anti-tipping wheel (72) and has a first installation distance.

4. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 3, characterized in that: A travel limit switch (8) is provided at one end of the horizontal connecting member (71) close to the anti-tipping wheel (72), and the travel limit switch (8) comprises a housing (81) fixed to the horizontal connecting member (71), a trigger rod (82) is rotatably provided on the housing (81), a rolling wheel (83) is provided at the front end of the trigger rod (82), and the rolling wheel (83) is located on the lower surface of the extension portion (31) and has a second installation distance.

5. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 4, characterized in that: The first installation distance is greater than the second installation distance.

6. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 5, characterized in that: The horizontal guide rail (6) is fixed to the upper part of the movable beam (3) by means of bolts.

7. The roller mechanism of a gantry stacker and reclaimer with a horizontal positioning device according to claim 6, characterized in that: The horizontal center plane of the horizontal guide rail (6) is at the same height as the horizontal center plane of the horizontal guide wheel (5).

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