Self-driven moving trolley for belt conveyor

Abstract

The utility model relates to the technical field of belt conveyors, in particular to a self-driven traveling trolley for a belt conveyor, which comprises a traveling frame and a turnabout drum, the turnabout drum is rotatably arranged on the traveling frame, driving wheels are rotatably arranged on two sides of one end of the traveling frame, driven wheels are arranged at the other end of the traveling frame, and the driven wheels are rotatably arranged on the traveling frame. Gear motors are fixedly connected to the two sides of the moving frame, and motor shafts of the gear motors are in transmission connection with the corresponding driving wheels; an embedded pulley block is arranged on the moving frame; an anti-derailing device is arranged at the lower end of the moving frame, and blocking rollers are arranged on the two sides of the upper end of the moving frame. Self-driving of the moving trolley is achieved through the gear motor, the moving trolley is controlled through the frequency converter to achieve actions such as high speed, low speed, advancing and retreating, linkage control can be achieved by being matched with movement of working components such as a self-moving machine tail, a belt winding device and a tensioning device, and the defect that a passive moving trolley can only walk in one direction under traction of a steel wire rope is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt conveyer, more particularly to a self-driving trolley for belt conveyer. BACKGROUND

[0002] The trolley is an essential key component of the belt conveyer, and its main function is to store or release the conveying belt and to make the conveying belt properly tensioned. At present, the belt conveyer adopts a passive trolley, and the tensioning device drags the trolley to move on the track in one direction through a wire rope and a pulley block, and cannot realize linkage with the self-moving tail, the tensioning device and the belt winding device. With the development of the belt conveyer towards automation and intelligence, the traditional trolley cannot meet the development requirements of the intelligent mine.

[0003] Therefore, it is necessary to improve the prior art. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the deficiencies in the prior art, the self-driving trolley for belt conveyer can control the fast, slow, forward and backward movements of the trolley under the driving of the reduction motor, and realize linkage control with the self-moving tail, the belt winding device and the tensioning device.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A self-driving trolley for belt conveyer, comprising a trolley frame and a reversing drum, the reversing drum is rotationally arranged on the trolley frame, two active wheels are rotationally arranged on the two sides of one end of the trolley frame, a driven wheel is arranged at the other end of the trolley frame, a reduction motor is fixedly connected to the two sides of the trolley frame, and the motor shaft of the reduction motor is in transmission connection with the active wheel on the corresponding side; the reduction motor is electrically connected with a frequency converter;

[0007] An embedded pulley block is arranged on the trolley frame, and the embedded pulley block is installed on the trolley frame in an inverted back form;

[0008] A derailment prevention device is arranged at the lower end of the trolley frame, and a blocking roller is arranged at the upper end of the trolley frame;

[0009] Preferably, a wheel mounting seat is arranged at the lower end of the trolley frame, the active wheel is arranged on the wheel mounting seat through a mounting shaft, a bearing I is arranged between the active wheel and the mounting shaft, and a bearing cover is arranged on one side of the active wheel;

[0010] The outer ring surface of the active wheel is a stepped surface, the small-diameter section of the outer ring surface of the active wheel is a smooth surface, the large-diameter section of the outer ring surface of the active wheel is provided with a tooth, and a driving gear meshing with the large-diameter section is arranged on the motor shaft of the reduction motor.

[0011] Preferably, the motor of the speed reducer motor is an explosion-proof variable frequency motor.

[0012] Preferably, the embedded pulley block comprises a pulley frame, a shaft, a bearing and a plurality of pulleys, the pulley frame is fixedly connected with the movable trolley frame, the shaft is arranged on the pulley frame, and the plurality of pulleys are arranged on the pulley frame through the bearing II respectively.

[0013] Preferably, the embedded pulley block comprises a pulley frame, a shaft, a bearing and a plurality of pulleys, the pulley frame is fixedly connected with the movable trolley frame, the shaft is arranged on the pulley frame, and the plurality of pulleys are arranged on the pulley frame through the bearing II respectively.

[0014] Preferably, the redirecting roller is provided with three, and the anti-derailing device is provided with four, and the anti-derailing device is fixedly connected with the movable trolley frame through bolts.

[0015] The utility model has the beneficial effects compared with prior art:

[0016] 1. The utility model discloses a self-driving movable trolley realized by a speed reducer, and the movable trolley realizes fast, slow, forward and backward movements through a frequency converter, and can be matched with a self-moving tail, a tape winding device and a tensioning device to realize linkage control and overcome the defect that a passive movable trolley can only walk in one direction under the traction of a steel wire rope.

[0017] 2. The utility model discloses an embedded pulley block, and the pulley, bearing and shaft are assembled and then put into the pulley frame as a whole, so that the embedded pulley block has large bearing tension, flexible pulley rotation, safety, reliability and convenient replacement.

[0018] 3. The utility model discloses a blocking roller for preventing deviation added to the upper end of the movable trolley frame, which effectively prevents the deviation of the conveying belt. DRAWINGS

[0019] The specific embodiment of the utility model will be further described in detail below with reference to the drawings.

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a top view structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the connection between the redirecting roller and the belt;

[0023] Figure 4 It is a schematic diagram of the connection between the embedded pulley block and the steel wire rope;

[0024] Figure 5 It is a schematic diagram of the installation structure of the speed reducer.

[0025] In the diagram: 1-moving frame, 2-redirecting roller, 3-drive wheel, 31-wheel mounting seat, 32-mounting shaft, 33-bearing I, 34-bearing cover, 35-smooth surface, 36-tooth, 4-driven wheel, 5-gear motor, 51-drive gear, 6-embedded pulley block, 61-pulley frame, 62-bearing II, 63-pulley, 64-wire rope, 65-fixed pulley block, 66-winch, 67-shaft, 7-anti-derailment device, 8-stop roller. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example:

[0028] like Figures 1 to 5 As shown, a self-driven traveling trolley for a belt conveyor includes a traveling trolley frame 1, a redirecting roller 2, a driving wheel 3, and a driven wheel 4. The redirecting roller 2 is rotatably mounted on the traveling trolley frame 1 and is connected to the belt to store or release the conveyor belt and to achieve appropriate tension on the conveyor belt. Preferably, there are three redirecting rollers 2.

[0029] Both sides of one end of the mobile frame 1 are equipped with driving wheels 3, and both sides of the other end of the mobile frame 1 are equipped with driven wheels 4. Both sides of the mobile frame 1 are fixedly connected to a geared motor 5 via a flange. The motor shaft of the geared motor 5 is connected to the driving wheel 3 on the corresponding side. The geared motor 5 is electrically connected to a frequency converter, which controls the fast, slow, forward and backward movements of the mobile trolley.

[0030] The geared motor 5 mainly controls the backward movement of the mobile carriage 1. The forward movement of the mobile carriage 1 is mainly controlled by a winch, and the geared motor 5 can be used for auxiliary starting.

[0031] Specifically, the movable frame 1 is equipped with an embedded pulley block 6, which includes a pulley frame 61, a shaft 67, a bearing II 62, and several pulleys 63. The pulley frame 61 adopts the following... Figure 1The reverse back form is fixedly connected with the movable frame 1, a plurality of pulleys 63 are connected with the pulley frame 61 through bearings II 62 respectively, and then the pulley frame 61 is embedded as a whole, and the shaft 67 is fixed with the pulley frame 61 through a clamping plate. The embedded pulley set 6 is installed on the movable frame in the reverse back form, compared with the existing pulley set arranged in sequence, the connecting bolts are not subjected to force, the bearing tension is large, safe and reliable, the service life is long, and the maintenance is simple and convenient.

[0032] One end of the steel wire rope 64 is fixed, the other end of the steel wire rope 64 is alternately threaded through the pulleys 63 on the embedded pulley set 6 and the fixed pulley set 65 and connected with the winch 66, the steel wire rope 64 is retracted through the winch 6, and the embedded pulley set 6 and the movable frame 1 are driven to move along the guide rail.

[0033] The lower end of the movable frame 1 is provided with a derailment prevention device 7, which prevents the derailment phenomenon caused by excessive friction between the wheels and the guide rail, preferably, the derailment prevention device 7 is provided with four, and the derailment prevention device 7 is fixedly connected with the movable frame 1 through bolts.

[0034] The upper end of the movable frame 1 is provided with a blocking roller 8 on both sides, which is arranged at the rear end of the reversing drum 2, effectively preventing the belt from deviating.

[0035] The lower end of the movable frame 1 is provided with a wheel mounting seat 31, the driving wheel 3 is arranged on the wheel mounting seat 31 through a mounting shaft 32, a bearing I 33 is arranged between the driving wheel 3 and the mounting shaft 32, a bearing cover 34 is arranged on one side of the driving wheel 3, and the bearing is protected through the bearing cover 34. The outer ring surface of the driving wheel 3 is a stepped surface, the small diameter section of the outer ring surface of the driving wheel 3 is a smooth surface 35, and the large diameter section of the outer ring surface of the driving wheel 3 is provided with a tooth 36. A driving gear 51 meshing with the large diameter section is arranged on the motor shaft of the speed reducer motor 5, the driving gear 51 is driven to rotate through the speed reducer motor 5, and then the driving wheel 3 is driven to rotate through the meshing with the tooth 36 of the outer ring surface of the driving wheel 3.

[0036] Preferably, the motor of the speed reducer motor 5 is an explosion-proof frequency conversion motor.

[0037] The above only details the preferred embodiment of the utility model, but the utility model is not limited to the above-mentioned embodiment, various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model, and various changes should be included in the protection range of the utility model.

Claims

1. A self-driven traveling trolley for a belt conveyor, comprising a traveling trolley frame (1) and a redirecting roller (2), wherein the redirecting roller (2) is rotatably mounted on the traveling trolley frame (1), characterized in that: The mobile frame (1) has a drive wheel (3) rotatably mounted on both sides of one end, and a driven wheel (4) mounted on the other end. Both sides of the mobile frame (1) are fixedly connected to a reduction motor (5). The motor shaft of the reduction motor (5) is connected to the drive wheel (3) on the corresponding side. The reduction motor (5) is electrically connected to a frequency converter. The mobile frame (1) is provided with an embedded pulley assembly (6), which is installed on the mobile frame (1) in an inverted manner; The lower end of the mobile car frame (1) is provided with an anti-derailment device (7), and the upper ends of the mobile car frame (1) are provided with baffle rollers (8).

2. The self-driving traveling trolley for a belt conveyor according to claim 1, characterized in that: The lower end of the mobile frame (1) is provided with a wheel mounting seat (31), the drive wheel (3) is mounted on the wheel mounting seat (31) through the mounting shaft (32), a bearing I (33) is provided between the drive wheel (3) and the mounting shaft (32), and a bearing cover (34) is provided on one side of the drive wheel (3). The outer ring surface of the active wheel (3) is a stepped surface, the small diameter section of the outer ring surface of the active wheel (3) is a smooth surface (35), the large diameter section of the outer ring surface of the active wheel (3) is provided with teeth (36), and the motor shaft of the reduction motor (5) is provided with an active gear (51) that meshes with the large diameter section.

3. The self-driving trolley for a belt conveyor according to claim 1, characterized in that: The motor of the geared motor (5) is an explosion-proof variable frequency motor.

4. The self-driving trolley for a belt conveyor according to claim 1, characterized in that: The embedded pulley assembly (6) includes a pulley frame (61), a shaft (67), a bearing II (62), and several pulleys (63). The pulley frame (61) is fixedly connected to the mobile frame (1). The shaft (67) is mounted on the pulley frame (61), and the several pulleys (63) are mounted on the pulley frame (61) through the bearing II (62).

5. A self-driven traveling trolley for a belt conveyor according to claim 4, characterized in that: It also includes a wire rope (64), a fixed pulley block (65) and a winch (66), one end of which is fixed and the other end of which alternately passes through the pulleys (63) on the embedded pulley block (6) and the fixed pulley block (65) and is connected to the winch (66).

6. The self-driving traveling trolley for a belt conveyor according to claim 1, characterized in that: There are three redirecting rollers (2) and four anti-derailment devices (7). The anti-derailment devices (7) are fixedly connected to the traveling frame (1) by bolts.

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