Intelligent walking mechanism used in frozen coal and residual coal intelligent cleaning device of car dumper

Abstract

The utility model discloses an intelligent walking mechanism used in a frozen coal and residual coal intelligent cleaning device of a car dumper, which comprises a track frame, limiting structures are arranged on two sides of the track frame, and a walking structure is arranged at the upper end of the track frame. The walking structure comprises a portal, four rail wheels, four driving assemblies and a wheel jacking assembly. The utility model relates to the technical field of intelligent cleaning of residual coal, which adopts a rail type walking support, two rails are laid on an original foundation, a portal steel structure is arranged above the rails, a portal is driven to walk at the upper ends of the rails in a variable frequency motor driving mode, and a matched cleaning device is used for cleaning the residual coal in a carriage. According to the cleaning device, the cleaning position can be accurately controlled, it is guaranteed that the whole cleaning process of the cleaning device is within the controllable range through the arranged limiting structure and the limiting switch control, and meanwhile, the wheels can be jacked through the arranged wheel jacking assembly so that the wheels can be conveniently maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of residual coal intelligent cleaning, in particular to an intelligent walking mechanism used in a frozen coal and residual coal intelligent cleaning device of a dumper. BACKGROUND

[0002] Train coal transportation is the main form of coal transportation for thermal power plants. For most thermal power plants north of the Qinling-Huaihe line, the outdoor temperature in winter can reach about -10℃-30℃. Coal will inevitably freeze during long-distance transportation. The coal blocks freeze together with the carriages, and after unloading, a large amount of frozen coal is still frozen in the carriage, which needs to be cleaned by manual use of pickaxe, impact drill and other simple tools, consuming a lot of manpower, and careless operation can easily cause personal injury and carriage damage, causing safety hazards and seriously affecting the efficiency of unloading. In view of this, for the above problems, there may be technical means to solve them in the prior art, but the present case wants to provide an alternative or replacement technical solution. SUMMARY

[0003] To achieve the above purpose, the utility model realizes the following technical scheme: an intelligent walking mechanism used in a frozen coal and residual coal intelligent cleaning device of a dumper, comprising a track frame, limit structures are arranged on both sides of the track frame, and a walking structure is arranged on the upper end of the track frame.

[0004] The walking structure comprises a portal frame, four track wheels, four drive assemblies and a wheel jacking assembly.

[0005] The portal frame is located on the upper end of the track frame, the four track wheels are respectively embedded in the four corners of the lower end of the portal frame through shaft bodies, and are respectively located on both sides of the upper end of the track frame, the four drive assemblies are respectively installed at the four corners in the portal frame, and are respectively connected with the shaft bodies of the four track wheels, and the wheel jacking assembly is installed at the lower ends of both sides in the portal frame.

[0006] Preferably, the four drive assemblies each comprise a variable frequency motor and a speed reducer.

[0007] The variable frequency motor is installed on one side in the portal frame, one end of the speed reducer is connected with the drive end of the variable frequency motor, and the other end is connected with the shaft body of the track wheel.

[0008] Preferably, the wheel jacking assembly comprises four mounting brackets and four hydraulic push rods.

[0009] The four mounting brackets are respectively installed at the lower ends of both sides in the portal frame, and the four hydraulic push rods are respectively installed in the four mounting brackets.

[0010] Preferably, the limiting structure comprises two fixed plates, a plurality of guide rods, two mounting plates, two springs and two limit switches.

[0011] The two fixed plates are respectively arranged at the centers of the two sides of the track frame, the one ends of the plurality of guide rods are movably arranged in the two fixed plates, the two mounting plates are respectively arranged at the one sides of the plurality of guide rods, the two ends of the two springs are respectively connected with the two fixed plates and the two mounting plates, and the two limit switches are respectively arranged at the other sides of the two mounting plates.

[0012] Preferably, the speed reducer is a hard tooth surface speed reducer.

[0013] Beneficial effects

[0014] The utility model provides a kind of intelligent walking mechanism used in coal freezing, residual coal intelligent cleaning device of dumper, with following beneficial effects: track type walking support is used, two tracks are laid on original foundation, upper door frame steel structure is equipped, frequency conversion motor driving mode is used to drive door frame to walk on track upper end, with matched cleaning device, residual coal in car is cleaned, the accurate control of cleaning position can be realized, and by the limiting structure of being set, limit switch control is used, ensure that the whole cleaning process of cleaning equipment is in controllable range, simultaneously, by the wheel jacking assembly of being set, wheel can be jacked to operate, so as to maintain and maintain wheel. ACCURACY

[0015] Fig. 1 It is a front view three-dimensional structure schematic diagram of the intelligent walking mechanism used in coal freezing, residual coal intelligent cleaning device of dumper.

[0016] Fig. 2 It is a front view structure schematic diagram of the intelligent walking mechanism used in coal freezing, residual coal intelligent cleaning device of dumper.

[0017] In the drawing: 1, track frame, 2, door frame, 3, track wheel, 4, frequency conversion motor, 5, speed reducer, 6, mounting frame, 7, hydraulic push rod, 8, fixed plate, 9, guide rod, 10, mounting plate, 11, spring, 12, limit switch. DETAILED DESCRIPTION

[0018] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0019] Embodiment: please refer to Figs. 1-2The application discloses an intelligent walking mechanism for a coal freezing and residual coal intelligent cleaning device of a dumper, which comprises a track frame 1, limit structures arranged on both sides of the track frame 1 and a walking structure arranged at the upper end of the track frame 1.

[0020] The walking structure comprises a portal frame 2, four track wheels 3, four driving assemblies and a wheel jacking assembly.

[0021] The portal frame 2 is arranged at the upper end of the track frame 1, the four track wheels 3 are respectively embedded into four corners of the lower end of the portal frame 2 through shaft bodies and are respectively arranged at the upper ends of both sides of the track frame 1, the four driving assemblies are respectively arranged at the four corners in the portal frame 2 and are respectively connected with the shaft bodies of the four track wheels 3, and the wheel jacking assembly is arranged at the lower ends of both sides in the portal frame 2.

[0022] In use, the device is placed at the upper end of the track frame 1, the four track wheels 3 at the lower end of the portal frame 2 are matched with the track frame 1 to movably support the device, then the device is connected with a driving system, the track wheels 3 are driven to work through the driving assemblies, the position of the portal frame 2 at the upper end of the track frame 1 can be changed, and the residual coal in the carriage is cleaned through the cooperation of the lifting system at the upper end of the portal frame 2 and the cleaning device.

[0023] In the specific implementation process, each of the four driving assemblies comprises a variable frequency motor 4 and a speed reducer 5.

[0024] The variable frequency motor 4 is arranged at one side in the portal frame 2, one end of the speed reducer 5 is connected with the driving end of the variable frequency motor 4, and the other end is connected with the shaft body of the track wheel 3.

[0025] The variable frequency motor 4 and the speed reducer 5 are matched to realize the driving operation of the track wheel 3, the variable frequency motor 4 is adopted, the variable frequency motor 4 has the brake locking function during the shutdown of the dumper, and the movement of the equipment can be effectively prevented.

[0026] In the specific implementation process, the wheel jacking assembly comprises four mounting frames 6 and four hydraulic push rods 7.

[0027] The four mounting frames 6 are respectively arranged at the lower ends of both sides in the portal frame 2, and the four hydraulic push rods 7 are respectively arranged in the four mounting frames 6.

[0028] When the track wheel 3 is maintained, the track wheel 3 can be separated from the track frame 1 and jacked up through the hydraulic push rod 7 in the mounting frame 6, so that the track wheel 3 can be maintained.

[0029] In the specific implementation process, the limit structure comprises two fixed plates 8, a plurality of guide rods 9, two mounting plates 10, two springs 11 and two limit switches 12.

[0030] Two fixed plates 8 are respectively installed at the center of both sides of the track frame 1, a plurality of guide rods 9 are movably embedded in the two fixed plates 8 at one end, two mounting plates 10 are respectively mounted on one side of the plurality of guide rods 9, two springs 11 are respectively connected to the two fixed plates 8 and the two mounting plates 10 at both ends, and two limit switches 12 are respectively mounted on the other side of the two mounting plates 10.

[0031] During the movement of the portal 2, when the portal 2 contacts the limit switch 12 on one side of the mounting plate 10, the switch limit of the device is performed, ensuring that the entire cleaning process of the cleaning equipment is within a controllable range, and through the cooperation of the guide rod 9 and the spring 11, the limit switch 12 can be buffered in a small amplitude, avoiding damage to the limit switch 12 due to excessive force.

[0032] In the specific implementation process, the speed reducer 5 is a hard tooth surface speed reducer 5.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An intelligent walking mechanism used in an intelligent coal and residual coal cleaning device of a dumper, comprising a track frame (1), characterized in that, Both sides of the track frame (1) are provided with limiting structures, and the upper end of the track frame (1) is provided with a walking structure. The walking structure comprises a portal frame (2), four track wheels (3), four drive assemblies and a wheel jacking assembly. The portal frame (2) is located at the upper end of the track frame (1), four track wheels (3) are respectively embedded in the lower end of the portal frame (2) through shaft bodies, and are respectively located at both sides of the upper end of the track frame (1), four drive assemblies are respectively installed at the four corners of the portal frame (2), and are respectively connected with the shaft bodies of the four track wheels (3), and the wheel jacking assembly is installed at the lower end of both sides of the portal frame (2).

2. The intelligent walking mechanism for use in the intelligent coal cleaning device of the coal freezing and excess coal cleaning turner according to claim 1, characterized in that, The four drive assemblies each comprise a variable frequency motor (4) and a speed reducer (5). The variable frequency motor (4) is installed on one side of the portal frame (2), one end of the speed reducer (5) is connected with the driving end of the variable frequency motor (4), and the other end is connected with the shaft body of the track wheel (3).

3. The intelligent walking mechanism for use in the intelligent coal cleaning device of the coal freezing and excess coal cleaning roll-over machine according to claim 1, characterized in that, The wheel jacking assembly comprises four mounting brackets (6) and four hydraulic push rods (7). Four mounting brackets (6) are respectively installed at the lower end of both sides of the portal frame (2), and four hydraulic push rods (7) are respectively installed in the four mounting brackets (6).

4. The intelligent walking mechanism for use in the intelligent coal cleaning device of the coal freezing and excess coal cleaning roll-over machine according to claim 1, characterized in that, The limiting structure comprises two fixed plates (8), a plurality of guide rods (9), two mounting plates (10), two springs (11) and two limit switches (12). Two fixed plates (8) are respectively installed at the center of both sides of the track frame (1), a plurality of guide rods (9) are movably embedded in the two fixed plates (8) at one end, two mounting plates (10) are respectively installed on one side of the plurality of guide rods (9), two springs (11) are respectively connected with the two fixed plates (8) and the two mounting plates (10) at both ends, and two limit switches (12) are respectively installed on the other side of the two mounting plates (10).

5. The intelligent walking mechanism for use in the intelligent coal cleaning device of the coal freezing and excess coal cleaning tippler as claimed in claim 2, characterized in that, The speed reducer (5) is a hard tooth surface speed reducer (5).

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